KR20200118646A - Dishwasher - Google Patents

Abstract

The present invention relates to a dishwasher, and is provided to be movable along the ground, and a trolley having a plurality of storage units provided so as to be loaded and withdrawn, and the front surface is opened so that the trolley is inserted, and the dishes are washed. A body forming a space and provided on the front of the body, and selectively rotated horizontally or vertically with respect to the body to open the cleaning space, enabling the withdrawal of the trolley when rotating in the horizontal direction, and By providing a door that blocks the withdrawal, the washing space in which dishes are washed and the storage part in which the dishes are stored are separated so that the dishes to be washed can be moved more conveniently and at the same time, the dishes to be washed in the dishwasher can be more conveniently stored. .

Description

Dishwasher {DISHWASHER}

The present invention relates to a dishwasher, and more particularly, to a dishwasher with improved user convenience.

In general, a dishwasher is a device for washing stored dishes by spraying washing water at high pressure and drying them. Specifically, the dishwasher operates so that the washing water is sprayed at high pressure into the tub in which the dishes are accommodated, and foreign matters such as food waste on the surface of the dish are washed by contacting the sprayed washing water with the dishes.

The dishwasher is configured to filter food waste contained in the washing water by a filter to recycle the used washing water again, and to remove and supply detergent to the washing water so that food waste can be separated smoothly. In addition, in recent years, a dishwasher has been widely used that increases the temperature of the washing water by a heater or increases the efficiency of washing by generating steam.

The dishwasher according to the prior art includes a case forming the outer shape, a washing tank provided inside the case and forming a washing space for dishes, a door positioned in front of the washing tank to open and close the washing tank, and a dish provided in the lower portion of the washing tank. It is possible to withdraw between the drive unit that supplies, collects, circulates, and drains the washing water for washing, the lower/upper/top jetting unit that sprays the washing water supplied by the drive unit into dishes, and the inner lower/upper/top jetting unit of the washing tank And a lower/upper/top storage unit that can be selectively loaded according to the type and size of dishes.

Here, each of the storage units is provided with a plurality of moving rollers under each of them, and is guided by a separate guide rail provided inside the washing tank to be withdrawn and stored.

On the other hand, the above-described lower receiving part is located adjacent to the lower spraying part and relatively large-sized dishes are seated, the upper receiving part is located adjacent to the upper dispensing part and relatively small sized dishes are placed, and the top receiving part is the top spraying part. It is located adjacent to and is equipped with utensils (eg cutlery, knives, etc.) and cooking utensils (eg, ladle, whisk, etc.) of a smaller size than tableware.

Meanwhile, in order for the user to wash dishes using the dishwasher, the door of the dishwasher is opened, one of the storage units inside the washing tank is taken out, the dishes are stored in the withdrawn storage unit, and the withdrawn storage unit is After pushing it into the washing tub, close the door to store the dishes.

Thereafter, when the dishwasher is operated, washing water is individually or simultaneously supplied to the upper/lower/top spraying units according to the operation of the driving unit, and the dishes loaded in the lower/upper/top storage units are washed.

On the other hand, in the case of the lower/upper/top storage according to the prior art, each is provided to be withdrawn along the guide rail while seated on the guide rail. Here, in the case of each guide rail, it is fixed to the side wall inside the washing tank, and the vertical position of each receiving part moving along the guide rail is also fixed.

In the case of the dishwasher according to the prior art, there is an inconvenience in that the dishwasher needs to be individually stored in the lower/upper/top storage of the dishwasher by directly transferring the dishes to be washed by the user to the dishwasher.

That is, if the space or place where the tableware is used (for example, the space where the table is located) is far from the location where the dishwasher is installed, the user repeatedly transfers a plurality of dishes to the dishwasher, There is no choice but to store dishes in the room.

In addition, in the case of a dishwasher according to the prior art, the storage height of the lower/upper/top storage part of the dishwasher is fixedly formed, so that the user can bow down the table according to the height of each storage unit to lower/upper/top the dishwasher. There was an inconvenience of having to selectively receive payments.

That is, in the case of a dishwasher, the height of the lower/upper/top storage is fixedly formed, and only the function to be drawn out to the front of the dishwasher is included, so that the user can store and load dishes in the lower/upper/top storage. In order to do so, you have to bend your back.

The present invention has been conceived to solve the above problems, and an object of the present invention is to provide a dishwasher capable of separating a storage unit in which dishes are accommodated from a washing space in which dishes are washed.

In addition, the present invention has been devised to solve the above problems, and an object of the present invention is to provide a dishwasher capable of more conveniently storing dishes to be washed in a dishwasher.

In addition, the present invention has been devised to solve the above problems, and an object of the present invention is to provide a dishwasher capable of moving dishes to be washed in a dishwasher more conveniently.

A dishwasher according to an embodiment of the present invention for achieving the above object forms a trolley forming a loading space in which dishes are loaded and washed, and a space in which the trolley is pulled out and inserted, and at the same time, the dishes loaded on the trolley are stored. It is preferable to include a dishwasher body forming a washing space to be washed.

The dishwasher according to an embodiment of the present invention can separate and combine a trolley on which dishes are loaded from the main body, so that a user can use the trolley to transport dishes, and at the same time, the trolley itself is loaded for washing dishes. By forming a space, it is possible to increase the convenience of using dishes.

Here, the main body is an outer case with an outer shape and an open front surface, an inner case provided on the inner side of the outer case and forming a washing space in which the front surface is opened, and washing water for washing dishes. It is preferable to have a device unit for heating and circulating.

Such a dishwasher may facilitate maintenance of a washing space of a main body and a loading space of a trolley because the main agent and a trolley on which dishes are loaded are provided separately.

On the other hand, the main body is provided with a door rotatably coupled to one side of the main body for the introduction and withdrawal of the trolley, and the door is rotated horizontally at one side of the main body to open the washing space. Alternatively, the door is preferably provided to open the cleaning space by rotating in a vertical direction at the bottom of the main body.

In the case of such a door, the user's convenience may be increased according to the withdrawal and retrieval of dishes and the retrieval and retrieval of the trolley by varying the opening and closing direction of the door.

In addition, it is preferable that the operation unit and the display unit be provided on the front or upper surface of the door, and the operation unit and the display unit are located on the front or upper surface of the door, so that the user can easily use the operation unit and the display unit according to the open/close state of the door. You can check.

In addition, the door according to the present invention may be selectively rotated in a horizontal direction or vertical direction with respect to the main body to open a cleaning space, enabling the withdrawal of the trolley when rotating in the horizontal direction, and blocking the withdrawal of the trolley when rotating in the vertical direction.

Here, the door unit may include a door frame hinged to a lower portion of the main body and rotated in a vertical direction with respect to the main body, and a door hinged to the door frame and rotated horizontally with respect to the door frame.

Meanwhile, the door frame may include a bar-shaped upper frame forming an upper portion of the door frame, and a pair of bar-shaped vertical frames extending from both ends of the upper frame to a lower portion of the main body.

Here, an upper surface manipulation unit and an upper display unit may be provided on the upper surface of the upper frame, and a swing hinge connection unit fastened to a pair of swing hinges provided on both lower sides of the main body may be provided at each lower end of the vertical frame.

On the other hand, a frame hook is provided on the upper rear of the door frame, a frame lock is provided on the upper front of the main body to selectively fasten a four-wing frame hook, a door hook is provided on the rear side of the door, and a door hook is provided on the front side of the door frame. A door lock to be selectively fastened may be provided.

In addition, a drain portion through which washing water sprayed to the trolley positioned in the washing space and food waste remaining from the dishes loaded on the trolley may be collected and drained may be formed under the washing space formed in the main body. A device unit provided with a sump, a pump, etc. may be located below the drainage part.

Here, the drain unit is provided in a drainage inclined surface inclined to collect washing water and food waste, a drainage hole provided at the bottom of the drainage inclined surface to guide the washing water and food wastes guided by the drainage inclined surface to the device unit, and the drainage hole. It is desirable to have a filter for filtering relatively large food waste.

In the case of such a drain, the washing water sprayed to the dishes loaded on the trolley and the food wastes of the dishes are filtered at the same time as the drainage so that the washing water can be recycled and used.

Meanwhile, a trolley insertion space into which the lower part of the trolley is inserted is formed in the lower part of the washing space so that the trolley can be inserted into the washing space, and the lower part of the trolley is inserted into the trolley insertion space so that the dishes loaded on the trolley can be located in the washing space. I can.

On the other hand, the trolley is provided with a plurality of rollers so as to be movable with respect to the ground, a pair of lower supports inserted into the trolley insertion space, and a pair of which are connected to each lower support and detachably provided with a plurality of storage units in which dishes are loaded. It is preferable to have a water collecting base which is positioned between the supporter of the and a pair of lower supporters, and collects washing water and food wastes falling from the storage unit.

Such, the trolley is preferably provided to adjust the height at which dishes are loaded by having a fixed support fixed to the lower support of the support, and a pair of elevating support that is provided to be elevating and supported so that the storage unit is detachably supported with respect to the fixed support. Do.

In the case of adjusting the height of the trolley, it is possible to prevent a user from bending or squatting in order to load and withdraw dishes.

In addition, the support of the trolley may further include an elevating cylinder that provides a predetermined pressure in the direction of raising the elevating support relative to the fixed support, and the user can more easily adjust the height of the trolley by the raising pressure of the elevating cylinder. have.

On the other hand, a trolley sealing step that extends from the washing space is formed under the washing space of the main body, and a sealing edge that is larger than the washing space and smaller than the trolley sealing step is formed on the outer circumferential surface of the water collecting base. When the trolley is inserted into the washing space, the sealing edge is in contact with the lower portion of the trolley sealing step to form a watertight lower portion of the washing space.

Here, the collection base is a collection slope that is inclined so that washing water and food waste falling from the storage unit can be collected, and is provided at the bottom of the collection slope to discharge washing water and food waste guided by the collection slope to the lower part of the washing space. A water hole is formed.

On the other hand, the lower support of the trolley is provided with a fixed roller part to which the support is connected and provided with a rear roller, and a telescopic roll lock part which is provided to be stretchable with respect to the fixed roller part and provided with a front roller, and the trolley is cleaned inside the fixed roller part. It is possible to prevent the trolley from falling over by providing a telescopic device that reduces the distance between the telescopic roller unit and the fixed roller unit as it enters the space and expands between the telescopic roller unit and the fixed roller unit as the trolley is withdrawn from the cleaning space. .

Meanwhile, the trolley may be provided with a plurality of storage units in which dishes are loaded, and the plurality of storage units may be formed to correspond to different sizes of dishes. For example, in the case of the first storage unit located at the top, the end, A cutlery and the like may be provided to accommodate relatively small tableware, and the second storage unit and the third storage unit may be provided to accommodate dishes having a relatively larger size than the first storage unit.

In addition, it is preferable that the first, second, and third storage portions are supported by a withdrawal rail so as to be movable in a forward direction of the trolley with respect to the trolley.

In addition, in the case of the first storage unit, a trolley withdrawal lever through which the trolley is withdrawn from the main body and a storage unit withdrawal lever through which the first storage unit is withdrawn from the trolley may be further provided. The user can selectively withdraw the trolley or the storage part by the trolley withdrawal lever and the storage part withdrawal lever.

On the other hand, the second storage unit or the third storage unit includes a spray plate including a lower portion of each storage unit and a space in which washing water is moved, and a plurality of rotational injection units through which the washing water is injected.

That is, in the case of the second and third storage units, the storage unit itself is not provided with a separate injection arm?? It is provided to spray washing water onto dishes stored in the storage unit using the space.

In addition, in the case of the second and third storage units, a loading plate provided with a plurality of wires on an upper surface of the spray plate to place dishes and a side plate formed at a predetermined height along the outer peripheral surface of the spray play may be provided.

Here, in the case of the side plate, it is possible to prevent the washing water sprayed toward the dishes hostile to the loading plate and food waste remaining on the dishes from scattering to the outside of the storage unit.

According to the dishwasher according to the present invention, a dishwasher capable of separating a storage unit in which dishes are stored from a washing space in which dishes are washed can be provided.

Further, according to the dishwasher according to the present invention, dishes to be washed in the dishwasher can be more conveniently stored.

In addition, according to the dishwasher according to the present invention, dishes to be washed in the dishwasher can be moved more conveniently.

1 is a perspective view showing a dishwasher according to an embodiment of the present invention.
2 is a perspective view showing an open state of a door of the dishwasher according to an embodiment of the present invention.
3 is a perspective view showing a trolley withdrawal state of the dishwasher according to an embodiment of the present invention.
4 is a perspective view illustrating a main body of a dishwasher according to an embodiment of the present invention.
5 is a perspective view showing a trolley of the dishwasher according to an embodiment of the present invention.
6 is an exploded perspective view showing a trolley and a storage part of the dishwasher according to an embodiment of the present invention.
7 to 8 are simplified diagrams showing withdrawal of a trolley from the dishwasher according to an embodiment of the present invention.
9 to 10 are simplified diagrams showing the operation of the telescopic roller unit when the trolley is withdrawn in the dishwasher according to an embodiment of the present invention.
11 to 12 are side views showing the lifting of the trolley of the dishwasher according to an embodiment of the present invention.
13 to 15 are simplified diagrams showing in/out of a trolley of a dishwasher according to an embodiment of the present invention.
16 to 18 are simplified diagrams showing withdrawal of a first storage unit in a dishwasher according to an embodiment of the present invention.
19 to 20 are schematic views showing a second storage unit of the dishwasher according to an embodiment of the present invention.
21 is a perspective view showing a dishwasher according to another embodiment of the present invention.
22 is an exploded perspective view showing a dishwasher according to another embodiment of the present invention.
23 to 24 are perspective views showing the operation of the dishwasher according to another embodiment of the present invention.

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

In describing the present invention, the names of each defined component are defined in consideration of functions in the present invention. Therefore, it should not be understood as limiting the technical elements of the present invention. In addition, each of the names defined for each component may be called a different name in the art.

First, a dishwasher according to an embodiment of the present invention will be described with reference to the accompanying drawings.

1 is a perspective view showing a dishwasher according to an embodiment of the present invention, FIG. 2 is a perspective view showing a door open state of a dishwasher according to an embodiment of the present invention, and FIG. 3 is a dishwasher according to an embodiment of the present invention Is a perspective view showing a trolley withdrawal state, and Figure 4 is a perspective view showing a dishwasher body according to an embodiment of the present invention.

As shown in FIGS. 1 to 4, the dishwasher 10 according to the present invention includes a trolley 200 in which a plurality of dishes (not shown) are loaded and movably provided, and the trolley 200 is withdrawn and inserted. And a main body 100 for washing dishes loaded on the trolley 200.

Here, the trolley 200 includes a plurality of storage units 300, 400, 500 in which dishes are loaded, and the washing space of the main body 100 along the ground on which the main body 100 of the dishwasher 10 is installed ( 121).

In the case of each of the storage units 300, 400, 500 provided in the trolley 200, it may be provided to slide to the front of the trolley 200 regardless of the withdrawal of the trolley 200, and the trolley may also be provided with each storage unit. (300, 400, 500) It is possible to move to the front of the main body 100 irrespective of withdrawal.

In addition, the dishwasher body 100 is provided with a washing space 121 in which dishes loaded in the trolley 200 are washed at the same time as the trolley 200 is inserted, and rotates in a horizontal direction when the trolley 200 is inserted and withdrawn. A door 150 for opening and closing the washing space 121 is provided.

Hereinafter, the main body will be described in detail with reference to the accompanying drawings.

The main body 100 forms a space into which the trolley 200 is inserted and at the same time forms a space for washing a plurality of dishes loaded on the trolley 200. The main body 100 includes an outer case 110 forming the outer shape of the dishwasher 10, and an inner case installed on the inner side of the outer case 110 and forming a space in which dishes are washed by the trolley 200 It has 120.

Here, in the lower part of the inner case 120, the device unit 130 performs water supply/drainage/circulation of washing water for washing dishes, and the trolley is formed on both sides between the outer case 110 and the device unit 130. A trolley insertion space 140 is provided that forms a space into which the 200 can be inserted.

Further, one side of the outer case 110 is provided with a door 150 that is rotated in a horizontal direction to open and close the washing space 121 for drawing in/out of the trolley 200 and in/out of dishes.

The outer case 110 includes a top cover 111 forming an upper surface of the main body 100 of the dishwasher 10, a side cover 113 forming side and rear surfaces, and a base (not shown). Here, each of the covers 111 and 113 may be individually formed to form the outer surface of the main body 100, but may be integrally formed to share at least one surface as needed.

The inner case 120 is provided on the inner side of the outer case 110 to form a space for washing dishes, and is spaced apart from the outer case 110 at a predetermined distance inside the outer case 110. It is fixed at (110).

In addition, between the inner case 120 and the outer case 110, a separate support frame (not shown) for fixing the inner case 120 and the outer case 110 and a separate washing water passage for moving the washing water (not shown) City) may be provided. Here, in the case of the support frame and the washing water passage, a detailed description will be omitted since various embodiments are possible.

In the case of the inner case 120, the front surface (that is, the surface opened by the door 150) may be formed in an open case shape in order to form watertightness of the washing space 121 in general. In addition, the inner case 120 may be integrally molded for watertightness of the cleaning space 121, and the upper and lower portions of the inner case 120 may be formed in separate configurations if necessary.

On the other hand, under the washing space 121 of the inner case 120, a drain 123 for collecting washing water generated when washing dishes in the washing space 121 and guiding the washing water to the apparatus 130 is formed. A drain hole 125 for discharging the washing water to the device 130 is formed in the center of the drain 123.

In addition, the drainage portion 123 in which the drainage hole 125 is formed is a drainage slope 123a inclined toward the drainage hole 125 so that the washing water falling into the drainage portion 123 can be smoothly guided to the drainage hole 125. Is formed. In addition, although not shown, a separate filter (not shown) may be further provided in the drain hole 125 for filtering relatively large foreign matter contained in the washing water drained to the device unit 130.

In addition, a trolley sealing step 127 for forming watertightness with the trolley 200 is formed by extending and fitting along the inner circumferential surface below the inner surface of the washing space 121 formed by the inner case 120.

The trolley sealing step 127 is formed so that the water collecting base 210 of the trolley 200 to be described later is inserted and in contact with the upper surface edge of the water collecting base 210. In addition, in order to improve the watertightness between the water collecting base 210 of the trolley 200 and the trolley sealing step 127, the trolley sealing step 127 is extended along the trolley sealing step 127 to improve the cleaning space of the trolley 200. When inserted, a trolley sealer 129 (see FIG. 19) in contact with the upper surface of the trolley 200 and the water collecting base 210 may be further provided.

On the other hand, on both sides of the inner surface of the washing space 121 formed by the inner case 120, a trolley fixing hook 120a for processing the retracting state of the trolley 200 when the trolley 200 is inserted into the washing space It may be further provided. Here, the trolley fixing hook 120a is mounted on the trolley fixing latch 245 (refer to FIG. 14) of the trolley 200 to be described later to limit the movement of the trolley 200, and the trolley fixing latch 245 is a trolley As it is separated from the fixing hook 120a, the fixing of the trolley 200 may be released.

The device unit 130 is positioned under the inner case 120 as shown in FIGS. 2 to 4 and is for circulating washing water for washing dishes in the washing space 121, and the inner case 120 ) May be provided below the drainage part 123.

The device unit 130 includes a sump (not shown) for collecting the washing water flowing into the drain hole 125 of the drain unit 123, a sump filter (not shown) provided inside the sump to filter relatively small foreign substances, and , A circulation pump (not shown) for supplying the washing water collected in the sump to the spray plate 420 (refer to FIG. 20) of the second and third storage units 400 and 500 to be described later, and the washing water that has been washed is supplied from the sump to the main body. (100) A drain pump (not shown) for draining to the outside may be provided.

Additionally, a heater (not shown) for heating and supplying the circulating washing water may be further provided on the flow path of the apparatus 130 through which the washing water is moved. The configuration of the device unit 130 as described above can be various embodiments, and a detailed description thereof will be omitted in the present invention.

The trolley insertion space 140 may be provided below the inner case 120 and on both sides of the device unit 130 as shown in FIGS. 3 to 4. The trolley insertion space 140 is formed in a symmetrical shape on both sides of the device unit 130 so that a pair of lower supports 220 formed in the trolley 200 to be described later can be inserted.

In addition, each trolley insertion space 140 may be formed to be inclined so that the inlet side expands to a predetermined width so that the lower support 220 can be smoothly inserted. In addition, a pair of lifting rails 143 are provided on the lower surface of the trolley insertion space 140 to raise the trolley 200 so that the height of the trolley 200 itself can be raised to a predetermined height according to the insertion of the trolley 200 Can be.

On the other hand, at the inner end of each trolley insertion space 140, a pressing step for pressing the interlocking cam 224 of the telescopic device 223 (refer to FIG. 7) provided in the trolley 200 when the trolley 200 is inserted. 141) may be provided.

The door 150 is provided to open and close the cleaning space 121 by rotating horizontally on one side of the main body 100 as shown in FIGS. 1 to 2. Here, the door 150 may open the simple washing space 121 to enable the receiving portion of the trolley 200 to be withdrawn when the trolley 200 is stored in the washing space 121, otherwise, the washing space 121 ) Can be opened to allow the trolley 200 accommodated in the washing space 121 to be withdrawn.

On the other hand, the door 150 is positioned on one side of the main body 100 and at the same time has at least one pair of horizontal pivoting hinges 151 between the outer case 110 and the inner case 120, and at least one pair of horizontal pivoting hinges At least one of the 151 may be provided with an elastic hinge (not shown) that is elastically supported in a direction in which the door 150 is opened.

In addition, a separate handle groove or handle may be provided to protrude to open and close the door 150 of the present invention, but a separate handle groove or handle may or may not be provided. That is, in the present invention, a push-open type door lock 153 may be provided in which the locked state is released by pressing the door 150 toward the main body.

Therefore, in order to use the push-open type door lock 153, when the door 150 closes the washing space 121, the front portion of the washing space 121 of the main body 100 and the front portion of the main body 100 are kept separated by a predetermined distance. shall.

In addition, the door lock 153 is preferably located on an opposite side of the horizontal pivoting hinge 151 and may be remade between the outer case 110 and the inner case 120. In addition, a door lock hook 155 inserted into the door lock 153 and fixedly supported may be provided on the rotating side of the door 150.

On the other hand, on the inner side of the door 150 (that is, one surface corresponding to the washing space of the main body 100), the horizontal rotation hinge 151 and the door lock hook 155 to maintain watertightness of the washing space 121 inside A door sealing 150a for may be provided. The door sealing 150a is thicker than the gap between the front of the main body 100 and the door 150 formed to use the push-open type door lock 153 of the door 150 and is formed to have a predetermined elasticity. .

Therefore, when the door 150 is closed, the front portion of the washing space 121 of the main body 100 can be sealed, and when pressing the door to open the door 150, the push-open type door lock 153 is Can form a releasable operating clearance.

Meanwhile, operation units 157a and 158a and display units 157b and 158b for controlling the operation of the dishwasher 10 and displaying the operating state of the dishwasher 10 are provided on the front and upper surfaces of the door 150. It can be provided. Here, a front operation unit 157a and a front display unit 157b may be provided on the front portion of the door 150, and an upper operation unit 158a and an upper display unit 158b may be provided on the upper surface of the door 150. .

Here, the front operation unit 157a and the front display unit 157b operate the dishwasher 10 or operate the dishwasher 10 while the door 150 closes the washing space in the operation of the dishwasher 10. It is for displaying the state, and the upper operation unit 158a and the upper display unit 158b operate the dishwasher 10 while the door 150 opens the washing space in the operation of the dishwasher 10. (10) It is to indicate the operating status.

Here, the front manipulation unit 157a and the top manipulation unit 158a may be provided with a plurality of push buttons or touch buttons formed in the same configuration for controlling the dishwasher, and the front display unit 157b and the top display unit 158b are also It may be provided with a plurality of LED or LCD panels formed in the same configuration.

Additionally, an inner surface of the door 150, preferably an inner surface of the door sealing 150a formed on the door 150, is used to supply detergent or rinse necessary in the washing process of the dishes by the dishwasher 10. A separate detergent supply device 159 may be further provided.

Hereinafter, a trolley will be described in detail with reference to the accompanying drawings.

5 is a perspective view showing a trolley of a dishwasher according to an embodiment of the present invention, and FIG. 6 is an exploded perspective view showing a trolley and a storage unit of the dishwasher according to an embodiment of the present invention.

The trolley 200 includes a plurality of storage units 300, 400, and 500 in which dishes are mounted and a plurality of storage units 300, 400, 500 in which dishes are loaded as shown in FIGS. 5 to 6 It is to support the body 100 to be movable from the outside, and to be movable to the washing space 121 in the body 100.

This trolley 200 includes a plurality of storage units 300, 400, 500 in which dishes are loaded in order to wash dishes, and a first storage unit 300 positioned at the top of the trolley 200 and a first A second storage unit 400 located below the storage unit 300 and a third storage unit 500 located below the second storage unit 400 may be provided.

Here, in the case of the first storage unit 300, relatively small dishes such as small spoons, chopsticks, forks, and knights are stored, and in the case of the second and third storage units 400 and 500, the relatively bulky tableware, etc. Large dishes can be loaded. In addition, in the case of the first, second, and third storage units (300, 400, 500), all of them are detachably provided on the trolley 200, and the first, second, and third storage units (300, 400, 500) are withdrawn to the front. It may be provided to be possible. The first, second, and third storage units 300, 400, and 500 will be described in detail after the description of the trolley.

On the other hand, the trolley 200 is seated on a pair of lower supports 220 respectively inserted into the trolley insertion space 140 formed in the main body 100, and each lower support 220, and each receiving unit 300, 400 , A collection base 210 that collects the washing water generated from the 500) and guides it to the lower portion of the inner case 120 of the main body 100, and a pair of fixing supports 230 provided on the top of the collection base 210, Each fixed support 230 is provided with an elevating support 240 for varying the height of each receiving unit 300, 400, 500.

Here, the lower support 220, the fixed support 230, and the elevating support 240 are formed to face each other in a symmetrical shape with respect to the center of the water collecting base 210. Hereinafter, only one structure of the lower support 220, the fixed support 230, and the elevating support 240 will be described, and detailed descriptions of the other structure will be omitted for simplicity.

Here, the water collecting base 210 is provided to be horizontally movable along the ground by each lower support 220, and a collecting hole 211 penetrating the upper and lower parts is provided at an inner predetermined part, and the outer peripheral surface of the collecting hole 211 The water collecting inclined surface 212 inclined toward the collecting hole 211 is formed so that the washing water falling into the collecting base 210 can be smoothly guided to the collecting hole 211.

In addition, the corner of the water collecting base 210 has a sealing edge 213 formed in a shape corresponding to the trolley sealing step 127 so that both sides and rear surfaces are inserted into the trolley sealing step 127 formed in the inner case 120. Is formed. Here, the edge of the water collecting base 210 in which the sealing edge 213 is formed is formed to be slightly expanded than the cleaning space formed by the inner case 120, and the upper surface of the sealing edge 213 is a trolley of the inner case 120 In contact with the trolley sealer 129 provided on the sealing step 127, watertightness between the inner case 120 and the water collecting base 210 may be oily.

On the other hand, the lower support 220 is provided in a symmetrical shape on both lower sides of the water collecting base 210 as shown in Figs. 7 to 8, each lower support 220 is inserted into a trolley formed in the main body 100 It is formed under the water collecting base 210 at a position corresponding to the space 140. Here, the lower support 220 is provided with a rear roller 222 and a front roller 227, respectively, so that the trolley 200 can be moved to the washing space.

Here, the lower support 220 may include a fixed roller part 221 to which the rear roller 222 is fixed and an elastic roller part 226 to which the front roller 227 is fixed. On the other hand, the fixed roller part 221 is fixed to the lower surface of the water collecting base 210, and the elastic roller part 226 is provided to be slidably inserted into the fixed roller part 221 to be withdrawn.

Here, the rear roller 222 is provided on the fixed roller part 221 so as to be positioned in the inner direction of the cleaning space 121 when the trolley 200 is inserted into the cleaning space 121, and the front roller 227 is a trolley When 200 is inserted into the washing space 121, it is provided on the elastic roller part 226 so as to be positioned in the outer direction of the washing space 121.

9 to 10 are partial cross-sectional views showing the structure of the telescopic roller portion of the trolley.

As shown, the telescopic roller part 226 is pulled out from the fixed roller part 221 when the trolley 200 is pulled out from the dishwasher 10 main body 100, and between the front roller 227 and the rear roller 222 It is to increase the distance of the trolley 200 so as not to fall easily.

This, the elastic roller part 226 is inserted into the fixed roller part 221 and provided to be pulled in and out from the fixed roller part 221 according to the pulling in and out of the trolley 200, with respect to the fixed roller part 221 A separate expansion and contraction device 223 for pulling out the part 226 may be further provided.

This expansion and contraction device 223 is interlocked as the trolley 200 is pulled in and out of the washing space so that the stretching roller part 226 is pulled in and out with respect to the fixed roller part 221. For example, when the trolley 200 is withdrawn from the washing space 121, the telescopic roller unit is pressed against the fixed roller unit 221 to withdraw, and when the trolley 200 is inserted into the washing space, the telescopic roller unit 226 May be inserted into the fixed roller part 221.

The expansion and contraction device 223 may be implemented by a sensor that detects the withdrawal of the trolley 200, a motor that moves the expansion and contraction roller, and a power transmission device, and alternatively, an interlocking cam linked to the withdrawal of the trolley 200 It may be provided with a plurality of link portions 225 extended by the 224 and the interlocking cam 224. On the other hand, the stretching roller unit 226 and the stretching device 223 as described above may not be installed if the stability of the trolley is secured.

On the other hand, an example of the expansion and contraction device 223 will be described. The expansion and contraction device 223 is preferably provided on the inside of the fixed roller part for drawing in and out the expansion and contraction roller part. When the trolley 200 is inserted into the washing space 121, the telescopic device is rotated by a pressure step 141 protruding from the trolley insertion space 140 of the washing space 121 to thereby rotate the link portion 225. The link unit 225 in which a plurality of unit links of the same length are intersected in a zigzag shape so as to be interlocked with the interlocking cam 224 and the interlocking cam 224 to expand and contract, and the link by applying elastic force to the interlocking cam or link unit It is provided with an elastic spring (not shown) to maintain the tensioned state at all times.

In the case of the expansion and contraction device 223 described above, as the trolley 200 is inserted into the washing space 121, the pressing step 141 provided in the trolley insertion space 140 presses and rotates the interlocking cam 224, and interlocks. As the cam 224 is rotated, the link portion 225 connected to the interlocking cam 224 is stretched and the elastic roller portion 226 inserted into the fixed roller portion 221 is pulled out from the fixed roller portion 221.

Accordingly, the distance between the rear roller 222 of the fixed roller unit 221 and the front roller 227 of the elastic roller unit 226 is further separated to increase the support distance of the trolley 200, and the rear roller 222 As the distance between the and the front roller 227 is spaced apart, the support state of the trolley may be improved.

On the other hand, in the case of the front roller 227 and the rear roller 222 described above, in order to improve the horizontal mobility of the trolley 200, at least one of the front roller 227 and the rear roller 222 has a vertical axis of rotation. Thus, the direction changeability of the trolley 200 can be improved.

On the other hand, the fixed support 230 and the lifting support 240 are located in a symmetrical shape on both upper sides of the collecting base 210 as shown in FIGS. 11 to 12, and fixed support on the upper surface of the collecting base 210 Each of the 230 is installed and each fixed support 230 is coupled to the elevating support 240 to be movable in the vertical direction.

Here, between the fixed support 230 and the elevating support 240, an elevating cylinder 232 that applies pressure to the fixed support 230 so that the elevating support 240 always rises is provided, and the elevating support 240 is always Pressure is applied in the upward direction with respect to the fixed support 230.

On the other hand, on one side or both sides of the fixed support 230, a plurality of locking steps 231 are formed to fix the position of the lifting support 240 to be described later, and the lifting support 240 is provided on both sides of the lifting support 240. A locking hook 243 inserted into the locking step 231 is provided so as to be fixed at a predetermined height with respect to the fixing support 230. Here, the locking hook 243 may be formed to be inclined in a direction in which the lifting support 240 is lowered so that it is mounted on the locking step 231 only in a direction in which the lifting support 240 is raised.

Here, the locking hook 243 is connected to the lifting link 242 connected to the lifting lever 241 provided on the upper side of the lifting support 240. Accordingly, the locking hook 243 is provided to be separated from the locking step 231 while the lifting link 242 is moved according to the rotation of the lifting lever 241. In addition, the locking hook 243 is provided with an elastic spring (not shown) that exerts a predetermined elastic force in a manner in which the locking hook 243 is inserted into the locking step 231 at all times. Therefore, the locking hook 243 is rotated by pressing the lifting lever 241 by the user, and the height of the lifting support 240 is limited by maintaining the state inserted into the locking step 231 at all times.

On the other hand, as the user presses the lifting lever 241 to raise the lifting support 240, the locking hook 243 is separated from the locking step 231 according to the linkage between the lifting lever 241 and the lifting link 242 As the lifting support 240 rises with respect to the fixed support 230 by the pressure of the lifting cylinder 232. On the contrary, in order to lower the lifting support 240, as the user presses the upper portion of the lifting support 240, the hooking hook 243 slides away from the hooking step 231 by the slope formed on the hooking hook 243 to lift. When the support 240 is lowered with respect to the fixed support 230 and the pressure applied by the user is released, the locking hook 243 is fixed to the locking step 231 again so that the elevating support 240 may be fixed.

On the other hand, the first, second, and third seating portions 247, on which the first, second, and third receiving portions 300, 400, 500 are seated on the opposite inner surfaces of the pair of lifting supports 240 provided in a symmetrical shape. 248 and 249 are provided in opposing forms, respectively. Simple first, second, and third receiving portions 300, 400 and 500 may be mounted and fixed to the first, second, and third seating portions 247, 248, and 249.

Here, the first, second, and third seating portions 247, 248, 249 are provided with separate first and second storage portions for drawing the first, second, and third storage portions 300, 400, 500 to the front of the trolley 200. , Three withdrawal rails (247a, 248a, 249a) may be provided, and each of the withdrawal rails (247a, 248a, 249a) is at least two or more steps in order to increase the withdrawal distance of each receiving unit (300, 400, 500). It can be provided with multiple rails in the form of a telescopic telescope. In the case of the first, second, and third withdrawal rails 247a, 248a, 249a, since various embodiments and products are commercially available, detailed descriptions will be omitted.

On the other hand, the elevating support 240 has a trolley withdrawal lever 331 of the first storage unit 300 to be described later for fixing the trolley 200 to the washing space 121 when the trolley 200 is inserted into the washing space. 14) and a trolley fixing latch 245 and a latch bar 246 for releasing the retracted state of the trolley 200 are provided.

Here, the trolley fixing latch 245 has an inclined end so that the trolley 200 is inserted into the washing space 121 and contacts the trolley fixing hook 120a so that the latch bar 246 is pressed in the downward direction. As 200 is inserted into the washing space 121, the trolley fixing latch 245 and the trolley fixing hook 120a are fastened.

Here, the latch bar 246 is interlocked according to the rotation of the trolley withdrawal lever 331 provided in the first storage unit 300 to lower the trolley fixing latch 245, and the lowered trolley fixing latch 245 is an inner As the trolley is separated from the trolley fixing hook 120a provided in the washing space 121 of the case 120, the retracted and fixed state of the trolley 200 may be released.

Hereinafter, the first, second, and third storage units will be described in detail with reference to the accompanying drawings.

First, in the case of the first, second, and third storage units (300, 400, 500), they are provided to be seated on the first, second, and third seating portions (247, 248, 249) provided in the trolley 200, and preferably The first storage unit 300 is seated on the first seating portion 247 positioned at the top of the trolley 200, and the second storing portion 400 is a second seating portion located under the first seating portion 247. The seating portion 248 is seated, and the third receiving portion 500 is seated in the lowermost third seating portion 249. In addition, the first storage unit is formed in a different structure from the second and third storage units, so that relatively small dishes can be accommodated, and the second and third storage units 400 and 500 are formed in the same structure and thus have a relatively large volume. Tableware can be loaded.

Hereinafter, the first storage unit 300 will be described in detail with reference to FIGS. 13 to 18.

The first storage part 300 forms a first loading frame 310 formed by a plurality of wires intersecting so as to load dishes, and an outer surface of the first loading frame 310, and a first seating part 247 ) And has an outer frame 320 that is seated on. Here, the first withdrawal rail 247a described above may be further provided between the first seating part 247 and the outer frame 320, and the first receiving part 300 is controlled by the first withdrawal rail 247a. It can be withdrawn to the front of the trolley 200 with respect to 1 seating portion 247.

On the other hand, the first storage unit 300 may be pulled out to the front of the trolley 200 in order to accommodate relatively small dishes and used to pull out the trolley 200 from the washing space. That is, in the case of the first storage unit 300, the trolley 200 may be used when the trolley 200 is withdrawn from the washing space 121 and when the first storage unit 300 itself is withdrawn from the trolley 200. And the washing space 121 and the trolley 200 and the first storage unit 300 are provided to be fixed in a variable state.

That is, when the first storage unit 300 is fixed to the trolley 200, the trolley 200 is a trolley for releasing the coupled state between the trolley 200 and the washing space 121 so that the trolley 200 can be withdrawn from the washing space. A withdrawal lever 331 is provided. Further, the first storage unit 300 includes the trolley 200 and the first storage unit 300 in order to withdraw the first storage unit 300 from the trolley 200 while the trolley 200 is fixed to the washing space 121. It is provided with a receiving part withdrawal lever 345 for releasing the state of engagement between the payments 300.

First, the configuration of the first storage unit for releasing the fixed state of the trolley 200 will be described in detail with reference to FIGS. 13 to 15.

As illustrated, the first storage unit 300 may serve as a handle through which the trolley 200 is withdrawn from the washing space 121. At this time, the first storage unit 300 maintains a state fixed to the trolley 200. That is, as described above in the description of the trolley 200, when the trolley 200 is inserted into the washing space 121, the trolley fixing latch 245 provided in the trolley 200 is provided in the washing space 121 It is inserted into the fixed hook (129a) to maintain a state in which the movement of the trolley 200 is limited.

On the other hand, on both sides in front of the outer frame 320 of the first storage unit 300, the trolley 200 is fixed in order to withdraw the trolley 200 from the washing space 121 of the main body 100 using both hands. A trolley release device 330 for releasing the is provided.

Here, the trolley release device 330 is provided to be rotatable on both sides in front of the outer frame 320 of the first storage unit 300, and the user can use both hands to attach the first storage unit 300 The lever 331 and the lock release bar 332 that extends along both side walls of the outer frame 320 from both sides of the first storage unit 300 and moves in conjunction with the rotation of the trolley withdrawal lever 331 , It is located at the end side of the unlocking bar 332 and includes a direction changing part 333 for converting the horizontal movement of the unlocking bar 332 into a vertical movement according to the reciprocating movement of the unlocking bar 332.

On the other hand, a latch bar 246 of the trolley 200 is positioned under the direction changing device 333. Here, a trolley fixing latch 245 is formed in the latch bar 246, and the trolley fixing hook 129a of the washing space 121 is inserted into the trolley fixing latch 245.

Accordingly, as the user presses the trolley withdrawal lever 331, the lock release bar 332 is moved, and the direction change device 333 presses the latch bar 246 according to the movement of the lock release bar 332 As the trolley fixing latch 245 formed on the latch bar 246 is separated from the trolley fixing hook 129a of the washing space, the fixed state of the trolley 200 is released. Accordingly, when the user holds the trolley withdrawal lever 331 and pulls it in the direction in which the trolley 200 is withdrawn, the trolley 200 may be withdrawn from the washing space 121.

Hereinafter, the configuration of the first storage unit 300 for releasing the fixed state of the first storage unit 300 will be described in detail with reference to FIGS. 16 to 18.

As shown, the first storage unit 300 needs to be drawn out to the front of the trolley 200 to store relatively small dishes with respect to the trolley 200 while the trolley 200 is fixed to the washing space 121 There is.

At this time, the trolley 200 maintains a fixed state in the washing space 121, and the first storage unit 300 is seated on the first seating portion 247 of the trolley 200, and the in/out is restricted and fixed. Maintain the state.

On the other hand, in the front center of the outer frame 320 of the first storage unit 300, the user uses one hand to move the first storage unit 300 from the trolley 200 inserted into the washing space 121 of the main body 100. A receiving unit releasing device 330 for releasing a fixed state of the first storing unit 300 is provided in order to withdraw.

Here, the storage unit release device 330 is located in the front center of the first storage unit 300, that is, between the pair of trolley withdrawal levers 331, and the first storage unit 300 with respect to the trolley 200 A storage unit withdrawal lever 345 mounted by a user for withdrawal, and a storage unit that extends along both side walls of the outer frame 320 at both sides of the storage unit withdrawal lever and moves in conjunction with the storage unit withdrawal lever 345 The interlocking bar 346 and the interlocking bar 346 of the accommodating part are provided to be movable in a vertical direction, and the moving direction of the interlocking bar of the accommodating part 346 is switched to release the fixed state of the first accommodating part 300. It is provided with a receiving portion locking portion 347.

On the other hand, the locking unit 347 is a first fixing groove formed in the first mounting portion 247 by the receiving unit interlocking bar 346 according to the operation of the receiving unit withdrawal lever 345 247b), the fixed state of the first storage unit 300 is released.

Accordingly, when the user holds the storage unit withdrawal lever 345 and pulls it in the direction in which the first storage unit 300 is withdrawn, the first storage unit 300 may be drawn out to the front of the trolley 200.

Hereinafter, the second and third storage units 400 and 500 will be described in detail with reference to FIGS. 19 to 20. Here, the second and third storage units 400 and 500 may be formed in the same configuration, and will be described with the second storage unit 400 as a representative.

As shown in FIGS. 19 and 20, the second storage unit 400 forms the lower portion of the second storage unit 400 and sprays the washing water supplied at the same time to the dishes loaded on the second storage unit 400, and , A second spray plate 420 in which washing water sprayed into dishes is collected, and a plurality of wires 411 are spaced apart from the top surface of the spray plate 420 by a predetermined distance to form a space in which dishes are supported and loaded. A loading frame 410 and a side plate 430 extending upward from the outer circumferential surface of the spray plate 420 and forming the outside of the second storage unit 400 to prevent scattering of washing water after washing dishes are provided. do.

Here, the spray plate 420 is spaced apart from the upper plate 421 forming the inner upper surface of the second storage unit 400 and the upper plate 421 by a predetermined distance, and the washing water moves into the space between the upper plate 421 And a lower plate 425 forming a flow path space 426.

In addition, as the trolley 200 is inserted into the main body 100 at the rear central portion of the spray plate 420, it is connected to a water supply unit (not shown) provided at the rear of the washing space 121 of the main body 100, A water supply connector 427 for supplying the washing water to the water supply connector 427 is provided, and drain portions 428 for draining the washing water falling to the spray plate 420 are provided on both sides of the water supply connector 427.

Here, the water supply connector 427 is provided to communicate with the flow path space 426 between the upper plate 421 and the lower plate 425, and the drain part 428 is provided to communicate with the upper space of the upper plate 421 do.

In addition, as the trolley 200 is separated from the washing space 121 of the main body 100 in order to prevent the washing water supplied to the water supply connector 427 from flowing out through the water supply connector 427 A water supply door 427a blocking the water supply connector 427 may be further provided.

In addition, in the drain portion 428, the trolley 200 is separated from the washing space 121 of the main body 100 in order to prevent the washing water and food waste of the upper plate 421 from flowing out through the drain portion 428. Accordingly, a drain door 428a blocking the drain portion 428 may be provided.

Here, the upper plate 421 is drained so that food waste of the dishes stored in the second loading frame 410 and the washing water for washing the dishes fall and guide to the drain 428 of the second storage unit 400. A drainage inclined surface 422 inclined toward the portion 428 may be formed.

On the other hand, the upper plate 421 is rotated by the pressure of the washing water flowing into the upper plate 421 and the lower plate 425, and a plurality of rotary spraying parts 423 spraying the washing water toward the dishes of the second loading frame 410 ) Is provided.

Here, the rotation spraying part 423 is rotatably installed in a plurality of installation holes (not shown) formed in the upper plate 421, and the lower part is positioned to communicate with the flow path space 426, and washing water is used as dishes in the upper part. The spray nozzle 423a is formed to be inclined in one direction so that the rotation spray unit 423 rotates when the washing water is sprayed while spraying.

The rotation injection unit 423 may be formed in a plurality on the upper plate 421, and preferably, three horizontal/vertical arrangements are preferable. Here, in the case of the rotation injection unit 423 positioned at the center of the upper plate 421, it may be formed relatively larger than the other rotation injection units 423.

Meanwhile, the second loading frame 410 is mounted on the spray plate 420 and is provided to support a plurality of dishes. Here, the second loading frame 410 is provided between a plurality of wires 411 and a plurality of wires 411 arranged side by side in one direction on the top of the spray plate 420 and rotates separately from the wire 411 to stand upright. A guide pin 412 may be provided.

On the other hand, a plurality of wires 411 are formed to be spaced apart at predetermined intervals, and dishes are placed on the upper side of the plurality of wires 411 or a lower portion of the dishes is inserted between the spaces where the plurality of wires 411 are spaced apart. Can be seated upright.

In addition, the guide pins 412 are provided by connecting a plurality of guide pins 412 in a direction parallel to the arrangement direction of the plurality of wires 411 to a rotation shaft pin 413 provided in a direction orthogonal to the arrangement direction of the plurality of wires 411, It is provided to be rotated by a separate rotation lever 414 provided at the end of the rotation shaft pin 413.

Hereinafter, a dishwasher according to another embodiment of the present invention will be described in detail. Another embodiment of the present invention is intended to describe another embodiment of a door in an embodiment of the dishwasher of the present invention. Therefore, the main body, trolley, etc. of the dishwasher described below should be understood with reference to the above description.

21 is a perspective view showing a dishwasher according to another embodiment of the present invention, and FIG. 22 is an exploded perspective view showing a dishwasher according to another embodiment of the present invention.

21 to 22, the dishwasher 10 according to another embodiment of the present invention includes a trolley 200 and a trolley 200 that are movably provided and loaded with a plurality of dishes (not shown). The main body 100 for washing dishes loaded on the trolley 200 and forming a washing space 121 to be withdrawn and drawn in, and provided in the main body 100 rotates in either a horizontal rotation direction or a vertical rotation direction And a door unit 170 that opens and closes the washing space 121.

The main body 100 forms a space into which the trolley 200 is inserted and at the same time forms a washing space 121 for washing a plurality of dishes loaded on the trolley 200. The main body 100 includes an outer case 110 forming the outer shape of the dishwasher 10, and an inner case installed on the inner side of the outer case 110 and forming a space in which dishes are washed by the trolley 200 120 may be provided.

Here, the outer case 110 includes a top cover 111 forming an upper surface of the main body 100 of the dishwasher 10, a side cover 113 forming a side surface and a rear surface, and a base (not shown). Here, each of the covers 111 and 113 may be individually formed to form the outer surface of the main body 100, but may be integrally formed to share at least one surface as needed.

On the other hand, swing hinges 117 are provided on both sides of the lower front side of the outer case 110 to rotate the door unit 170 in a vertical direction, and a swing hinge 117 for rotating the door unit 170 in the vertical direction is provided at the upper front. A frame lock 115 is provided. The swing hinge 117 and the frame lock 115 will be described in detail when the door unit 170 is described.

In addition, the inner case 120 is provided on the inner side of the outer case 110 to form a washing space 121 for washing dishes, and is provided on the inner side of the outer case 110 with respect to the outer case 110. It is spaced apart and fixed to the outer case 110, and a washing space 121 is formed on the inner surface.

Here, in the lower part of the inner case 120, the device unit 130 performs water supply/drainage/circulation of washing water for washing dishes, and the trolley is formed on both sides between the outer case 110 and the device unit 130. A trolley insertion space 140 is provided that forms a space into which the 200 can be inserted.

The trolley 200 includes a plurality of storage units 300, 400, 500 in which dishes are loaded, and a washing space 121 of the main body 100 along the ground on which the main body 100 of the dishwasher 10 is installed. It may be provided to be in and out of the trolley, and is provided so as to be able to withdraw and retract in the front of the plurality of storage units 300, 400 and 500 provided in the trolley.

The body 100 and the trolley 200 of the dishwasher 10 as described above should be understood with reference to an embodiment of the present invention, and a detailed description thereof will be omitted below.

The door unit 170 may open and close the washing space 121 of the main body 100 that is rotated in a horizontal direction or a vertical direction on one side of the outer case 110 of the main body 100. Here, when the door part 170 is rotated in a horizontal direction to open the washing space 121, the trolley 200 can be inserted and withdrawn, and when it is rotated in a vertical direction to open the washing space 121, the trolley 200 ) In and out is limited, and the storage units 300, 400 and 500 provided in the trolley 200 can be in and out with respect to the trolley 200.

The door part 170 is fastened to a swing hinge 117 provided in the lower front of the main body 100 to rotate in a vertical direction from the upper front to the lower front of the main body 100, and the door frame A door 174 that is rotatably fastened to one side of 171 and rotates in a lateral direction of the main body 100 is provided.

Here, the door frame 171 is formed in a shape in which the central portion and the lower portion are opened, and a pair of upper frames 172 forming an upper portion of the door frame 171 and a pair of the upper frames 172 extending downward from both ends of the upper frame 172 It has a vertical frame 173. Therefore, the central portion and the lower portion of the door frame 171 formed by the upper frame 172 and the vertical frame 173 remain open, and in the case of the central portion of the door frame 171, cleaning formed in the main body 100 It is preferable that it is formed to correspond to the space 121.

On the other hand, on the upper surface of the upper frame 172, an upper surface manipulation unit 172a for operating the dishwasher 10 and a top display unit 172b for displaying an operating state of the dishwasher 10 may be provided.

In addition, a frame hook 172c inserted into the frame lock 115 provided in the main body 100 is provided on the rear surface of the upper frame 172 (ie, the surface facing the front of the main body 100).

In addition, one vertical frame 173 of the vertical frame 173 is provided with upper/lower hinges 173a and 173b to which the door 174 is rotatably fastened, and the other vertical frame 173 has the door 174 A door lock 173c for controlling the locked state is provided.

Meanwhile, a swing hinge connection part 173d rotatably fastened to a swing hinge 117 provided on the front surface of the main body 100 is provided under each vertical frame 173. Here, in the case of the swing hinge 117 provided in the main body 100, the door frame 171 of the door part 170 is rotatably supported using a predetermined elastic force, and when the door frame 171 is rotated, the door frame By supporting 171 with an elastic force, the opening speed and opening angle of the door frame 171 can be adjusted.

Meanwhile, the door 174 is rotatably fastened to the upper/lower hinges 173a and 173b of the door frame to open and close the opened central portion of the door frame 171. A front operation unit 175a and a front display unit 175b may be provided on the front of the door 174.

Meanwhile, in the operation of the dishwasher 10, the front operation unit 175a, the front display unit 175b, and the upper operation unit 172a and the upper display unit 172b are used in a state in which the door 150 closes the washing space. The washing machine 10 may be operated or an operating state of the dishwasher 10 may be displayed.

Here, the front manipulation unit 175a and the top manipulation unit 172a may be provided with a plurality of push buttons or touch buttons formed in the same configuration for controlling the dishwasher, and the front display unit 175b and the top display unit 172b are also It may be provided with a plurality of LED or LCD panels formed in the same configuration.

In addition, the upper/lower hinge fastening portions 177a and 177b fastened to the upper/lower hinges 173a and 173b of the door frame 171 are formed on the rear side of the door 174, and the other rear side of the door 174 A door hook 176 fastened to a door lock 173c provided on the door frame 171 is provided.

On the other hand, in order to open and close the door unit 170 and the door 174 according to another embodiment of the present invention, a separate handle groove or handle may protrude from the door frame 171 or the door 174, but separate The handle groove or the handle may not be formed or provided.

That is, the frame lock 115 provided in the main body 100 may be provided in a push-open form so that the locked state of the door frame 171 can be released by pressing the door frame 171 toward the main body. In addition, in the case of the door lock 173c provided in the door frame 171, it may be provided in a push-open form so that the locked state of the door 174 can be released by pressing the door 174 toward the door frame 171. have.

On the other hand, in order for the door lock 173c and the frame lock 115 to control the opening and closing of the door 174 and the door frame 171 to be provided in a push-open form, the door 150 is the washing space 121 When closing, the cleaning space 121 of the main body 100 must be kept in a state spaced apart from the front portion at a predetermined interval.

On the other hand, the rear surface of the door 150 (that is, the one side facing the door frame 171) is watertight with the door frame 171 toward the inside of the upper/lower hinge fastening parts 177a and 177b and the door hook 176 A door sealing 178 for maintaining the may be provided. This door sealing 178 is thicker than the gap between the door 174 and the front of the door frame 171 in order to use the push-open type door lock 173c of the door frame 171 and is formed to have a predetermined elastic force. do.

Therefore, when the door 174 is closed, the door 174 and the door frame 100 can be sealed, and when the door is pressed to open the door 174, the push-open type door lock 173c It can form an operating clearance that can release.

In addition, the rear surface of the door 174, preferably the inner surface of the door sealing (a) formed on the door 174, is a separate for supplying detergent or rinse necessary in the washing process of the dishes by the dishwasher 10. The detergent supply device 177 may be further provided.

Hereinafter, the operation of the door unit will be described in detail with reference to the accompanying drawings.

23 to 24 are perspective views showing the operation of the dishwasher according to another embodiment of the present invention. Here, FIG. 23 shows that the door 174 of the door part 170 is opened, and FIG. 24 shows that the door frame 171 of the door part 170 is opened.

In the case of the dishwasher 10 according to another embodiment of the present invention, a trolley 200 is provided to be inserted into the main body 100, and the trolley 200 inserted into the main body 100 includes the trolley 200 itself. 100), or one of a plurality of storage units 300, 400, 500 provided in the trolley 200 is a state in which the trolley 200 is inserted into the main body 100 regardless of the withdrawal of the trolley 200 Can be withdrawn from.

Accordingly, the user may selectively open the door 174 or the door frame 171 of the door unit 170 to perform a selective withdrawal process of the trolley 200 and the storage units 300, 400, and 500.

As shown in FIG. 23, in order to withdraw the trolley 200 inserted into the main body 100, the door of the door unit 170 may be opened and the trolley 200 may be withdrawn. Here, in order to open the door 174, the door frame 171 must be kept in a locked state by the frame lock 115 provided in the main body 100, and the user must rotate the door 174 (preferably The door 174 may be opened by pressing the front side of the door 174 provided with the door hook 176 of the door 174).

Here, in the case of the door lock 173c provided in the door frame 171, the locked state of the door hook 176 is released by a push-open operation, and the door 174 is released as the locked state of the door 174 is released. Is rotated in a horizontal direction with respect to the door frame 171 to open the cleaning space of the door frame 171 and the main body 100.

Here, in the case of the door frame 171 that is kept locked to the main body 100, the central part and the lower part are open so that the trolley 200 can be withdrawn, so that the user pulls the trolley 200 out of the main body 100 Accordingly, the trolley 200 may pass through the door frame 171 and be drawn out of the main body 100.

On the other hand, as shown in FIG. 24, one of a plurality of storage units 300, 400, 500 provided in the trolley 200 inserted into the main body 100 is a state in which the trolley 200 is inserted into the main body 100 In order to withdraw from, the door frame 171 of the door unit 170 may be opened and the specific storage units 300, 400, and 500 may be withdrawn. At this time, in order to open the door frame 171, the door 174 provided in the door frame 171 must be kept in a locked state by the door lock 173c, and the user must have the upper part of the door 174 (preferably May open the door frame 171 by pressing the upper front surface of the door 174 provided with the frame hook 172c of the door frame 171 ).

Here, in the case of the frame lock 115 provided in the main body 100, the locked state of the frame lock 115 is released by a push-open operation, and as the locked state of the door frame 171 is released, the door frame 171 ) Is rotated in a vertical direction with respect to the main body 100 to open the washing space 121 of the main body 100.

Here, in the case of the door frame 171 that is rotated in a vertical direction with respect to the main body 100 to open the washing space, the front lower side of the main body 100 is based on the swing hinge 117 provided under the main body 100 as an axis. While rotating to open the cleaning space 121 of the main body 100. Therefore, in the lower portion of the washing space 121, the lower portion of the door portion 170 blocks the lower portion of the washing space 121 and the trolley insertion space 140 of the main body 100, and thus, withdrawal of the trolley 200 may be restricted.

On the other hand, as the washing space 121 of the main body 100 is opened by the door unit 170, the receiving units 300, 400, 500 of the trolley 200 pass through the opened central portion of the door frame 171 It can be drawn out to the front of the body 100.

Although described in detail with respect to the preferred embodiments of the present invention as described above, those of ordinary skill in the art to which the present invention belongs, without departing from the spirit and scope of the present invention defined in the appended claims It will be possible to practice the present invention by various modifications. Therefore, changes to the embodiments of the present invention will not be able to depart from the technology of the present invention.

10: dishwasher 100: main body
110: outer case 120: inner case
130: device unit 140: trolley insertion space
150: door 200: trolley
210: collecting base 220: lower support
230: fixed support 240: elevating support
300: first storage unit 400: second storage unit
500: third storage unit

Claims (17)

A trolley provided to be movable along the ground and having a plurality of storage units provided to be able to withdraw and load dishes,
A main body that is opened so that the trolley is inserted and forms a washing space in which the dishes are washed,
It is provided on the front surface of the main body, and is selectively rotated in a horizontal or vertical direction with respect to the main body to open the washing space, and when rotating in a horizontal direction, it is possible to withdraw the trolley and when rotating in a vertical direction A dishwasher comprising a door to block. The method of claim 1, wherein the door portion
A door frame hinged to the lower portion of the body and rotated in a vertical direction with respect to the body;
And a door hinged to the door frame and rotated in a horizontal direction with respect to the door frame. The method of claim 2, wherein the door frame
A bar-shaped upper frame forming an upper portion of the door frame,
And a pair of bar-shaped vertical frames extending from both ends of the upper frame to a lower portion of the main body. The dishwasher according to claim 3, wherein an upper surface operation unit and an upper surface display unit are provided on an upper surface of the upper frame. The method of claim 3,
A pair of swing hinges for controlling a rotational speed are provided on both sides of the lower part of the main body,
And a swing hinge connection portion fastened to the swing hinge at each lower end of the vertical frame. The dishwasher according to claim 2, wherein one of the vertical frames includes an upper hinge and a lower hinge for supporting the door to rotate in a horizontal direction. The dishwasher according to claim 2, wherein the door is provided with a front operation unit and a front display unit on a front surface of the door. The method of claim 2,
A frame hook is provided on the upper rear of the door frame,
A dishwasher, characterized in that a frame lock is provided on a front upper portion of the main body to selectively fasten a frame hook. The method of claim 2,
A door hook is provided on one side of the rear side of the door,
And a door lock to which the door hook is selectively fastened to one side of the front side of the door frame. The dishwasher according to claim 1, wherein a trolley insertion space into which a lower portion of the trolley is inserted is formed on both sides of the lower side of the upper limb washing space so that the trolley can be inserted and withdrawn. The method of claim 10, wherein the body
An outer case that forms the outer shape and opens the front surface,
An inner case provided on the inner side of the outer case and forming the washing space in which a front surface is opened, and
A dishwasher, comprising: a device disposed below the washing space and heating and circulating washing water for washing dishes. 11. The dishwasher according to claim 10, wherein a drain portion for collecting and draining the washing water and food wastes of the washing space to the device unit is formed below the washing space. The method of claim 12, wherein the drainage portion
A drainage slope inclined to collect washing water and food waste,
A drain hole provided at the lowermost side of the drainage slope to guide washing water and food wastes guided by the drainage slope to the device,
A dishwasher comprising a filter provided in the drain hole to filter relatively large food waste. The method of claim 10, wherein the trolley
A pair of lower supports that are provided with a plurality of rollers so as to be movable with respect to the ground, and inserted into the trolley insertion space,
A pair of supports connected to each of the lower supports, the plurality of receiving units detachably provided,
And a collection base positioned between the pair of lower supports and collecting washing water and food wastes falling from the storage unit. The method of claim 14, wherein the pair of supports
A pair of fixed supports fixed to the lower support and
A dishwasher comprising a pair of elevating supports which are provided to be elevating with respect to the fixed support and to which the receiving section is detachably supported. The method of claim 15,
An elevating cylinder for raising the elevating support to a predetermined pressure is provided between the fixed support and the elevating support,
The dishwasher, wherein the lifting support is provided with a lifting lever for limiting an elevation of the lifting support when the lifting support is lowered. The dishwasher as claimed in claim 15, wherein a pull-out rail is provided on both sides of the pair of lifting supports to support the storage unit so as to be pulled out to the front of the trolley while the receiving unit is seated.

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