KR20110048354A - Washing machine - Google Patents

Abstract

PURPOSE: A washing machine is provided to uniformly distribute washing water to an inner plane and a rear plane through a spray nozzle. CONSTITUTION: A drum(124) is installed inside a cabinet(111), and laundry is inserted into the drum. A tub(122) is installed inside the cabinet, and the tub accepts the drum. A gasket(128) is installed between the cabinet and the tub, and a spray nozzle(140) is installed at the upper portion of the gasket. Plural twisted flow paths are formed, and change washing water passing through the path into vortex. The spray nozzle sprays the vertex to the inner portion of the drum.

Description

Laundry processing machine {Washing machine}

The present invention relates to a laundry treatment machine, and more particularly, to a laundry treatment device to uniformly spray the washing water into the drum.

In general, a laundry treatment device is a device that cleans through a process such as washing, rinsing, and dehydrating to remove contamination from clothes, bedding, etc. (hereinafter referred to as 'laundry') using water, detergent, and mechanical action.

Laundry treatment equipment is largely divided into agitator type (pulsator type) and drum type (drum type) laundry treatment equipment.

The stirring type washes by rotating the laundry rod rising to the left and right in the center of the washing tank, and the vortex type washes by using the friction force between the water flow and the laundry by rotating the disk-shaped rotary blade formed on the lower part of the washing tank to the left and right, and the drum type inside the drum. Add water, detergent and laundry to wash the drum by rotating it.

Drum-type laundry treatment machine is equipped with a tub in which the washing water is accommodated inside the cabinet forming the appearance, a drum in which the laundry is accommodated is disposed inside the tub, a motor for rotating the drum on the back side of the tub, The motor has a drive shaft which is connected to the rear side of the drum through the tub. The inside of the drum is equipped with a lifter to load the laundry when the drum rotates.

In the drum laundry machine, when the drum is rotated, the laundry is lifted up by a lifter mounted in the drum, and the laundry is rotated and raised after falling and tumbling. In addition to the tumbling motion, various washing methods are required to improve washing performance.

The problem to be solved by the present invention is to provide a laundry treatment apparatus for spraying the washing water evenly in the drum.

The objects of the present invention are not limited to the above-mentioned objects, and other objects that are not mentioned will be clearly understood by those skilled in the art from the following description.

In order to achieve the above object, the laundry treatment machine according to an embodiment of the present invention,

A cabinet forming an appearance; A drum provided inside the cabinet and to which laundry is inserted and rotated; A tub provided inside the cabinet to accommodate the drum; A gasket provided between the cabinet and the tub; And a spray nozzle provided at an upper portion of the gasket and configured to form a plurality of twisted flow paths, thereby converting the wash water passing through the flow paths into vortices and spraying the inside of the drum. .

In addition, in order to achieve the above object, a laundry treatment device according to an embodiment of the present invention,

A cabinet forming an appearance; A drum provided inside the cabinet and to which laundry is inserted and rotated; A tub provided inside the cabinet to accommodate the drum; A gasket provided between the cabinet and the tub; And a spray nozzle for spraying the wash water formed by the vortex on the inner and rear surfaces of the drum. .

Specific details of other embodiments are included in the detailed description and the drawings.

According to the laundry method and laundry treatment apparatus of the present invention has one or more of the following effects.

First, there is an injection nozzle for injecting vortex flow has the advantage that the washing water is evenly sprayed on the inner and rear surfaces of the drum.

Second, there is an advantage that the core is provided inside the spray nozzle to convert the wash water into vortex.

Third, the core is rotated by the wash water in the receiving space inside the injection nozzle, there is an advantage that can form a vortex better.

Fourth, the second water supply valve and the injection nozzle is directly connected by the second water supply hose, there is an advantage that can supply the external water source directly into the drum.

Fifth, the circulation nozzle and the spray nozzle are provided at the same time, so that the wash water can be better absorbed in the laundry, there is an advantage that can increase the washing efficiency.

Sixth, the injection nozzle is operated during the rinsing stroke, causing a permeation rinsing effect, there is an advantage that the washing efficiency is increased.

Seventh, the injection nozzle has a permeation rinsing effect, there is an advantage that can reduce the water supply amount of the wash water required for rinsing during rinsing administration.

The effects of the present invention are not limited to the above-mentioned effects, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and only the embodiments make the disclosure of the present invention complete, and the general knowledge in the art to which the present invention belongs. It is provided to fully inform the person having the scope of the invention, which is defined only by the scope of the claims. Like reference numerals refer to like elements throughout.

Hereinafter, the present invention will be described with reference to the drawings.

1 is a perspective view illustrating a laundry treatment apparatus 100 according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the laundry treatment apparatus 100 of FIG. 1, and FIG. 3 is a laundry treatment from which the cabinet 111 is removed. A perspective view of the device 100.

1 to 3, the laundry treatment apparatus 100 according to an embodiment of the present invention includes a cabinet 111 forming an exterior and a laundry provided inside the cabinet 111 and inserted into a laundry to rotate. A drum 124, a tub 122 provided inside the cabinet 111 and accommodating the drum 124, a gasket 128 provided between the cabinet 111 and the tub 122, and a gasket 128. A plurality of twisted flow paths are formed on the upper side of the c), and include a spray nozzle 140 for converting the washing water passing through the flow path into the vortex to spray the inside of the drum 124. In addition, the door 112 is provided on the front of the cabinet 111 to open and close the laundry into the cabinet 111, the door 112 for opening and closing the laundry access hole 120, and the drive unit 113 for applying torque to the drum 124 to rotate. ), A detergent box 133 in which detergent is accommodated, and a control panel 114 that accepts a user input and displays a state of the laundry treatment device 100.

The cabinet 111 has a laundry access hole 120 formed to allow access to laundry. The front of the cabinet 111 is rotatably provided with a door 112 to open and close the laundry access hole 120. The cabinet 111 is provided with a control panel 114 for receiving a command from a user and displaying various state information of the laundry treatment apparatus 100. The cabinet 111 is provided with a detergent box 133 that is capable of withdrawing detergent such as laundry detergent, fabric softener, or bleach.

Tub 122 is buffered by the spring 115 and the damper 117 in the cabinet 111. Tub 122 receives the wash water. The drum 124 is disposed inside the tub 122.

The drum 124 is rotated to accommodate the laundry. The drum 124 is formed with a plurality of through holes 129 to allow the washing water to pass. The inner wall of the drum 124 may be a lifter 125 for lifting the laundry to a certain height when the drum 124 is rotated. The drum 124 is rotated by receiving the rotational force by the drive unit 113.

The gasket 128 is provided between the tub 122 and the cabinet 111 to seal the tub 122 and the cabinet 111. The gasket 128 is disposed between the inlet of the tub 122 and the laundry access hole 120. The gasket 128 mitigates the shock transmitted to the door 112 when the drum 124 rotates and at the same time prevents the wash water in the tub 122 from leaking to the outside. The gasket 128 may be provided with a circulation nozzle 127 and a spray nozzle 140 that introduce washing water into the drum 124.

The gasket 128 may be formed integrally with a single material, but a portion fastened to the tub 122 in order to secure the fastening strength and sufficient rigidity with the tub 122 is formed of a hard material. The part fastened to the cabinet 111 may be formed of a material having elasticity to mitigate vibration transmitted from the tub 122 to the cabinet 111.

The driving unit 113 rotates the drum 124. The driving unit 113 may rotate the drum 124 at various speeds or directions. The driving unit 113 may include a motor, a switching element for controlling the same, a clutch, and the like.

Detergent box 133 is a detergent such as laundry detergent, fabric softener or bleach is accommodated. Detergent box 133 is preferably provided to be pulled out on the front of the cabinet (111). The detergent in the detergent box 133 is mixed with the washing water when the washing water is supplied and introduced into the tub 122. The detergent box 133 may be formed by dividing a portion in which a laundry detergent is accommodated, a portion in which a fabric softener is accommodated, and a portion in which a bleach is accommodated.

The cabinet 111 has a water supply valve unit 131 for controlling the inflow of the washing water from an external water source, and the washing water introduced into the water supply valve unit 131 is disposed in the detergent box 133 by the first water supply valve 131a. The first water supply hose 132 to flow to the, and the water supply pipe 134 to be introduced into the tub 122, washing water mixed with detergent in the detergent box 133 is preferably provided. In addition, the water supply valve unit 131 is provided with a second water supply valve 131b and a second water supply hose 149 which are connected to the injection nozzle 140. The first water supply valve 131a and the second water supply valve 131b open and close the first water supply hose 132 and the second water supply hose 149 connected to the first water supply valve unit 131. The water supply hose 132 and the second water supply hose 149 are supplied.

The cabinet 111 has a drain pipe 135 through which the wash water in the tub 122 flows out, a pump 136 for flowing out the wash water in the tub 122, a circulation passage 137 for circulating the wash water, and washing It is preferable that a circulation nozzle 127 for introducing water into the drum 124 and a drain passage 138 for washing the laundry water to the outside are provided. According to an embodiment, the pump 136 may be provided as a circulation pump and a drainage pump, and may be connected to the circulation passage 137 and the drain passage 138, respectively.

The control panel 114 includes an input unit 114b for receiving various operation commands such as a washing course selection, an operation time and a reservation for each stroke, and a display unit 114a for displaying an operation state of the laundry processing apparatus 100 through a user. ) May be provided.

The laundry course includes a lingerie / wool course, a boiling course, a speed wash course, a functional clothing course, and a quiet course depending on the type and function of the laundry. The operation of the laundry treatment apparatus 100 is divided into a washing stroke, a rinsing stroke, and a dehydrating stroke, and water, washing, rinsing, draining, dehydrating, or drying are performed in each stroke.

The injection nozzle 140 is provided on the gasket 128. When the door 112 closes the laundry access hole 120, a part of the door 112 is introduced into the drum 124. The injection nozzle 140 is positioned so that the part of the door 112 drawn into the drum 124 does not interfere with the injection nozzle 140. The injection nozzle 140 is provided to be spaced apart from the door 112 by a predetermined interval when the door 112 closes the laundry access hole 120.

The spray nozzle 140 sprays the wash water formed by the vortex on the inner surface 124a and the rear surface 124b of the drum 124. The spray nozzle 140 is preferably operated in a rinsing stroke during the stroke of the laundry treatment machine 100, but the embodiment of the spray nozzle 140 is not limited thereto and may also be applied to strokes of water supply and laundry dehydration. Can be. The configuration and operation of the injection nozzle 140 will be described later with reference to FIG. 4.

The circulation nozzle 127 is provided in the gasket 128 to circulate the washing water into the drum 124. The wash water received in the drum 124 moves to the pump 136 along the drain pipe 135 provided in the tub 122. The pump 136 allows the wash water to reach the circulation nozzle 127 through the circulation passage 137. The wash water is moved back into the drum 124 by the circulation nozzle 127.

The injection nozzle 140 is provided adjacent to the circulation nozzle 127. The injection nozzle 140 is located at the upper portion of the gasket 128 where the circulation nozzle 127 is located, and when the laundry treatment apparatus 100 operates, together with the circulation nozzle 27 or the injection nozzle 140 alone. Let it work In addition, according to the embodiment, the injection nozzle 140 may be provided integrally with the circulation nozzle 127, but the spirit of the present invention is not limited thereto.

The water supply valve unit 131 supplies washing water to the inside of the drum 124 from an external water source. The water supply valve unit 131 is provided with a first water supply valve 131a and a second water supply valve 131b through which washing water flows. The first water supply valve 131a and the second water supply valve 131b are controlled by a controller (not shown) provided in the laundry processor. The control unit controls the first water supply valve 131a and the second water supply valve 131b so that the wash water flows to the first water supply hose 132 and the second water supply hose 149 connected to each other.

The water supply valve unit 131 is a hot water valve (not shown), a bleach valve (not shown), a free valve (not shown), a main valve (not shown), a steam valve (not shown) connected to the detergent box 133, and the like. It may be configured to include. The hot water valve supplies hot water to the detergent box 133 by controlling hot water supplied from an external water source. The bleach valve allows the wash water to be supplied to a portion in which the bleach provided in the detergent box 133 is accommodated. The pre-valve is used at the beginning of the washing stroke and supplies washing water into the drum 124 through the detergent box 133. At this time, the wash water coming through the pre-valve is supplied into the drum 124 without passing through the detergent. The main valve supplies the washing water to the detergent box 133 after the washing water supply by the pre-valve is finished in the washing administration. The wash water supplied by the main valve passes through a portion of the detergent box 133 in which the laundry detergent is received and is supplied into the drum 124 together with the laundry detergent. The steam valve supplies washing water to a steam hose (not shown) connected to a steam module (not shown). In the case of the final rinse in which the fabric softener is supplied, the main valve and the pre-valve operate at the same time to supply the wash water to a portion in which the fabric softener provided in the detergent box 133 is accommodated. In the general rinsing cycle of rinsing the laundry detergent, the bleach valve, the main valve and the free valve may operate to supply the washing water into the drum 124. Each of the valves described above may be implemented in combination with two or more according to the embodiment, in addition to the respective functions. In addition, any one of the valves described above may act as the first water supply valve 131a, and any one of the hoses connected to the respective valves connected to the detergent box 133 may be the first water supply hose 132. Can act as

The first water supply hose 132 connects the first water supply valve 131a and the detergent box 133. The washing water flowing from the first water supply valve 131a reaches the detergent box 133 through the first water supply hose 132, and the washing water mixed with the detergent in the detergent box 133 is supplied through the water supply pipe 134. It enters inside of the drum 124.

The second water supply hose 149 directly connects the second water supply valve 131b and the injection nozzle 140. Washing water supplied from an external water source flowing in the second water supply valve 131b reaches the injection nozzle 140 through the second water supply hose 149. Washing water reaching the injection nozzle 140 is converted into a vortex through the injection nozzle 140 is injected into the drum 124. The description of how the wash water is converted to vortex will be described later with reference to FIG. 6.

4 is a view showing that the injection nozzle 140 according to an embodiment of the present invention is injected into the drum 124.

Referring to FIG. 4, the spray nozzle 140 allows washing water to be sprayed onto the inner surface 124a and the rear surface 124b of the drum 124. Washing water sprayed from the spray nozzle 140 reaches the inner surface 124a of the drum 124 corresponding to the circumferential surface of the drum 124 and the rear surface 124b corresponding to the bottom surface of the drum 124. When the laundry is accommodated in the drum 124, the laundry is generally accommodated at the corners of the rear surface 124b and the inner surface 124a, and the washing water sprayed from the spray nozzle 140 is sprayed into the vortex in this portion. Washing water acts on the laundry. Since the washing water acts sufficiently on the laundry by the injection nozzle 140, the washing efficiency is improved.

The spray nozzle 140 sprays the wash water formed by the vortex on the inner surface 124a and the rear surface 124b of the drum 124. The wash water is converted into vortices and evenly sprayed on the inner surface 124a and the rear surface 124b of the drum 124 by the rotational force by the vortices. Since the washing water is sprayed to the corner where the inner side 124a and the rear side 124b of the drum 124, which is the portion where the laundry is located, the washing efficiency is improved.

Preferably, when the drum 124 continues to rotate the rinsing stroke, the washing water is evenly applied to the laundry so that the washing water penetrates the laundry by centrifugal force, thereby causing an effect of rinsing. This is defined as a permeation rinsing effect, and the injection nozzle 140 injects a vortex while continuing the rotation of the drum 124 to generate a permeation rinsing effect, and to reduce the amount of water required for rinsing during the rinsing by the permeation rinsing effect. .

5 is a view illustrating a gasket 128 and an injection nozzle 140 according to an embodiment of the present invention.

Referring to FIG. 5, the gasket 128 is formed with a first protrusion 128a and a second protrusion 128b protruding from an upper portion of the inner circumferential surface, and the injection nozzle 140 has a first protrusion 128a and a second protrusion. It is provided between the projection part 128b. The laundry is separated by the rotation of the drum 124 to be sandwiched between the gasket 128 and the cabinet 111, or to prevent the laundry from spilling when the door 112 is opened after the washing is completed, the gasket 128 The first protrusion 128a and the second protrusion 128b protruding from the inner circumferential surface thereof are formed. The first protrusion 128a and the second protrusion 128b are formed on both sides of the gasket 128 at predetermined intervals.

The injection nozzle 140 is provided between the first protrusion 128a and the second protrusion 128b. The injection nozzle 140 is provided between the first protrusion 128a and the second protrusion 128b so that the washing water does not interfere with the first protrusion 128a and the second protrusion 128b when the washing water is sprayed. do.

The injection nozzle 140 may be located off the center line of the drum 124. When the spray nozzle 140 is located away from the center line of the drum 124, when the washing water is converted into vortex and sprayed, washing is performed at the corners formed between the inner surface 124a and the rear surface 124b of the drum 124. More numbers can be worked. Washing water acting on the corner portion is more effective to absorb moisture in the laundry, and washing water is applied to the corner portion where the laundry is collected, the permeation rinsing effect is better occurs.

In addition, the injection nozzle 140 may be located at an angle with an axis perpendicular to the ground. According to an embodiment, the injection nozzle 140 may be positioned at an angle with the center line of the drum 124 to the inside of the drum 124. In addition, according to another embodiment it may be located at a predetermined angle with the center line of the drum 124, biased toward the first projection (128a) or the second projection (128b). According to each embodiment, the washing water is applied to the corners formed between the inner surface 124a and the rear surface 124b of the drum 124.

6 is an exploded perspective view of the injection nozzle 140 according to an embodiment of the present invention.

Referring to FIG. 6, the injection nozzle 140 is formed by a dome 141 having one side formed in a hemispherical shape and having an accommodation space 144 therein, and formed by a twisted plate provided in the accommodation space 144. The core 142 which forms a plurality of twisted flow passages with the space 144 and converts the washing water passing through the flow path into the vortex, and the washing water that passes through the flow path formed by the core 142 and the receiving space 144 is sprayed. It is configured to include the injection nozzle cap (143).

Injection nozzle 140 is formed in a hemispherical shape on one side. An accommodating space 144 is formed inside the hemispherical shape. Washing water flowing to the injection nozzle 140 is accommodated in the receiving space (144). One side of the injection nozzle 140 may be formed in a hemispherical or elliptic curve form. One side of the spray nozzle 140 is formed in a curved shape, so that when the laundry enters and exits the laundry access hole 120, the laundry is not caught by the spray nozzle 140 or damaged by the spray nozzle 140.

The receiving space 144 is provided with a core 142 formed of a twisted plate. The core 142 is formed in a shape in which one or more plates are twisted. The core 142 is provided in the accommodation space 144 to form a flow path between the accommodation space 144 and the core 142, which is formed in the shape of the twisted plate, It is formed in a twisted shape or spiral. The core 142 may be implemented in various forms to form the receiving space 144 and the twisted flow path, and may be implemented in various forms such as screw, propeller, twisted tube, twisted propeller, twisted screw, thread shape. .

The wash water is converted into vortices by the shape of the flow path when the core 142 and the receiving space 144 pass through the flow path. The wash water converted into the vortex is evenly sprayed inside the drum 124 by the rotational force to allow the laundry to absorb more wash water.

When the wash water passes through the flow path formed in the core 142 and the receiving space 144, the core 142 is rotated by the wash water inside the receiving space (144). As the core 142 is rotated, the wash water rotates together to help better form the vortex.

The injection nozzle cap 143 allows the washing water passing through the flow path formed by the core 142 and the receiving space 144 to be injected. The injection nozzle cap 143 is formed so that the washing water converted into the vortex is injected into the drum 124. Injection nozzle cap 143 is fastened and fixed to the dome 141. When the injection nozzle cap 143 is fastened to the dome 141, the packing formed of a waterproof material such as rubber to prevent the wash water from leaking to the part fastened to the injection nozzle cap 143 and the dome 141. May be additionally provided.

Although the above has been illustrated and described with respect to preferred embodiments of the present invention, the present invention is not limited to the specific embodiments described above, but in the art to which the invention pertains without departing from the spirit of the invention as claimed in the claims. Various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

1 is a perspective view showing a laundry treatment machine according to an embodiment of the present invention, Figure 2 is a cross-sectional view of the laundry treatment machine of Figure 1, Figure 3 is a perspective view of the laundry treatment machine removed the cabinet.

4 is a view showing that the injection nozzle is injected into the drum according to an embodiment of the present invention.

5 is a view showing a gasket and a spray nozzle according to an embodiment of the present invention.

6 is an exploded perspective view of a spray nozzle according to an embodiment of the present invention.

Claims (9)

A cabinet forming an appearance; A drum provided inside the cabinet and to which laundry is inserted and rotated; A tub provided inside the cabinet to accommodate the drum; A gasket provided between the cabinet and the tub; And An injection nozzle provided at an upper portion of the gasket and having a plurality of twisted flow paths formed therein to convert washing water passing through the flow paths into vortices and spraying the inside of the drum; Laundry processing apparatus comprising a. The method of claim 1, The injection nozzle, Laundry treatment device for spraying the washing water on the inner and rear surfaces of the drum. The method of claim 1, The injection nozzle, A dome formed on one side of a hemispherical shape and having a receiving space therein; A core provided in the accommodation space and formed as a twisted plate to form a plurality of twisted flow paths with the accommodation space, thereby converting the wash water passing through the flow path into a vortex; And An injection nozzle cap for spraying the washing water passing through the flow path formed by the core and the receiving space; Laundry processing apparatus comprising a. The method of claim 3, The core is a laundry processing device that is rotated by the wash water in the receiving space. The method of claim 1, The gasket is formed with a first protrusion and a second protrusion protruding from the upper portion of the inner circumferential surface, The spray nozzle is a laundry treatment device provided between the first projection and the second projection. The method of claim 1, It is provided on the front of the cabinet further comprises a door for opening and closing the laundry entrance hole, And the spray nozzle is spaced apart from the door when the door closes the laundry access hole. The method of claim 1, A water supply valve unit for supplying washing water to an inside of the drum from an external water source; A first water supply valve and a second water supply valve provided in the water supply valve unit to flow the washing water; A detergent box provided in the cabinet and containing detergent; A first water supply hose connecting the first water supply valve and the detergent box; And A second water supply hose connecting the second water supply valve and the injection nozzle; Laundry processing apparatus further comprising a. The method of claim 1, It is provided in the gasket further comprises a circulation nozzle for circulating the wash water into the drum, The spray nozzle is a laundry treatment device provided adjacent to the circulation nozzle. A cabinet forming an appearance; A drum provided inside the cabinet and to which laundry is inserted and rotated; A tub provided inside the cabinet to accommodate the drum; A gasket provided between the cabinet and the tub; And A spray nozzle for spraying the wash water formed by the vortex on the inner and rear surfaces of the drum; Laundry processing apparatus comprising a.

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