KR100561731B1 - Washing machine - Google Patents

Abstract

A washing machine for washing laundry by shrinking and expanding the washing / dehydrating space and dehydrating the laundry by shrinking the washing / dehydrating space is disclosed. The washing machine washes laundry while the washing / dehydrating tank is contracted and expanded by the linear motion of the motion plate. Then, the laundry is compressed and dehydrated by the expansion of the endothelium of the washing / dehydrating tank. Therefore, the laundry is prevented from twisting during washing and dehydration.

Description

Washing machine {WASHING MACHINE}

1 is a cross-sectional view showing a schematic configuration of a washing machine according to an embodiment of the present invention.

2 is a perspective view of main parts of a washing machine according to one embodiment of the present invention;

3a to 3c is a view showing the washing operation of the washing machine according to an embodiment of the present invention.

4A and 4B are main cross-sectional views showing a state in which the washing / dehydrating tank and the expansion tank are contracted and expanded according to one embodiment of the present invention;

5a and 5b is a view showing the dehydration operation of the washing machine according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

110: outer cylinder 120: inner cylinder

130: washing / dehydrating tank 140: exercise plate

150: new construction

The present invention relates to a washing machine for washing laundry by shrinking and expanding the washing / dehydrating space and dehydrating the laundry by shrinking the washing / dehydrating space.

A conventional washing machine has a main body, a water tank installed inside the main body, a dewatering tank rotatably installed in the water tank, and a pulsator installed in the inside of the dewatering tank so as to be rotated forward and reverse. Thus, when washing, the laundry is washed by the vortex generated by the forward and reverse rotation of the pulsator, and when dewatering, the dewatering tank and the pulsator rotate in the same manner to dehydrate the laundry.

However, such a conventional washing machine has the disadvantage that the laundry is twisted by the forward and reverse rotation of the pulsator during the washing. In addition, there is a disadvantage that the laundry is gathered on the outer surface of the dehydration tank and twisted by the centrifugal rotation of the dehydration tank during the dehydration.

The present invention has been created to solve the problems of the prior art as described above, an object of the present invention is to wash and wash the laundry by shrinking and expanding the laundry / dehydration space and to dehydrate the laundry by shrinking the laundry / dehydration space, It is to provide a washing machine that can prevent the twist.

Washing machine according to the present invention for achieving the above object, the outer cylinder; An inner cylinder installed inside the outer cylinder; It is installed inside the inner cylinder to form a sealed space for storing laundry and washing water between the inner cylinder and its inside, and has an outer skin and an inner skin of a synthetic resin material having elasticity, but a closed space is formed between the outer skin and the inner skin. A washing / dehydrating tank in communication with the discharge pipe for guiding the discharge of the washing water; Its inner surface is attached to the outer surface of the washing / dehydrating tank, the exercise plate is installed in the inner cylinder so as to reciprocate linear movement to shrink and expand the sealed space of the washing / dehydrating tank; One side is attached to the inner surface of the inner cylinder and the other side is attached to the outer surface of the exercise plate is in communication with the washing / dehydration tank, when the sealed space of the washing / dehydration tank by the movement of the exercise plate, its internal space is expanded While receiving the wash water stored in the washing / dehydration tank to the inside and the expansion of the sealed space of the washing / dehydration tank expands its own space while the expansion tank for supplying the washing water introduced into the washing / dehydration tank ; It is installed inside the outer cylinder to make the vacuum between the shell and the endothelial during washing so that the endothelial is adsorbed on the outer shell, and after the washing and dehydration is completed, the inside of the washing / dehydrating tank and the expansion tank is made into a vacuum Vacuum pump for discharging the remaining wash water to the outside; A compressor installed inside the outer cylinder, and injecting air into the sealed space between the outer shell and the inner shell during dehydration so that the inner shell compresses and dehydrates the laundry stored in the closed space between the inner barrel and the washing / dehydrating tank. ; It is provided on one side of the discharge pipe is provided with a first valve for closing the discharge pipe when washing and opening the discharge pipe when dewatering.

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

1 is a cross-sectional view showing a schematic configuration of a washing machine according to an embodiment of the present invention, Figure 2 is a perspective view of the main part of the washing machine according to an embodiment of the present invention.

As shown, the washing machine 100 according to the present embodiment has an outer cylinder 110, an inner cylinder 120, a washing / dehydrating tank 130, a moving plate 140, and a stretching tank 150.

The inner cylinder 120 is installed inside the outer cylinder 110, and the first and second input holes 111 and 121 are formed to correspond to each other on the central portion of the upper surface of the outer cylinder 110 and the inner cylinder 120 to communicate with each other. . A first discharge hole 123 is formed at the central portion of the lower surface of the inner cylinder 120, and the first discharge hole 123 communicates with one side of the discharge pipe 128. The first valve 129 is installed inside the discharge pipe 128, the first valve 129 closes the discharge pipe 128 when washing, and opens the discharge pipe 128 when dewatering.

The washing / dehydrating tank 130 is installed inside the inner cylinder 120 and has an outer shell 130a and an inner shell 130b of a synthetic resin material having elasticity. Inside the washing / dehydrating tank 130, that is, between the inner shell 130b and the inner cylinder 120, a sealed space 131a is formed in which laundry and washing water are stored. The airtight space 131b is also formed between the outer skin 130a and the inner skin 130b. The sealed space 131b between the outer shell 130a and the inner shell 130b is vacuumed by the vacuum pump 161 which will be described later when washing. Then, air is injected into the sealed space 131b between the outer shell 130a and the inner shell 130b by the compressor 165 which will be described later when dewatering. The outer shell 130a is formed thicker than the inner shell 130b, which prevents the outer shell 130a from being deformed by the air suction of the vacuum pump 161 and the air supply of the compressor 165, so that only the inner shell 130b is deformed. For sake.

The third injection hole 133 communicating with the second injection hole 121 is formed at the central surface side of the upper surface of the washing / dehydrating tank 130, and the second discharge hole communicating with the first discharge hole 123 is disposed at the central surface side of the washing / dehydration tank 130. 135) is formed. An inner circumferential surface of the third inlet 133 is formed with a first coupling pipe 137 extending upward, and an outer circumferential surface of the first coupling pipe 137 is attached to inner circumferential surfaces of the first and second injection holes 111 and 121. . The inner circumferential surface of the second discharge hole 135 extends toward the center of the second discharge hole 135 to form a coupling frame 138 attached to the bottom surface of the inner cylinder 120 adjacent to the first discharge hole 123. In addition, the inner peripheral surface of the coupling frame 138 is extended to the lower side is formed with a second coupling pipe 139, the outer peripheral surface thereof is attached to the inner peripheral surface of the first discharge hole (123). The first coupling pipe 137, the coupling frame 138 and the second coupling pipe 139 are firmly coupled to the inner cylinder 120 by the washing / dehydrating tank 130 contracted and expanded by the motion plate 140. To be supported.

The cover 170 is rotatably coupled to the first injection hole 111. When the laundry or wash water is introduced into the washing / dehydrating tank 130, the cover 170 may be opened. When washing and dehydrating, the cover 170 may be closed. An inlet 171 is formed in the cover 170, and a stopper 173 is detachably coupled to the inlet 171. When the wash 170 is to be supplied to the inside of the washing / dehydrating tank 130 while the cover 170 is closed, the stopper 173 may be removed and the hose connected to the faucet may be connected to the inflow path 171.

The exercise plate 140 is opposite to the inner cylinder 120 outside the washing / dehydrating tank 130 and is installed to be capable of linear reciprocating movement, and shrinks the sealed space 131a of the washing / dehydrating tank 130 during washing. And inflate. The inner surface of the exercise plate 140 is attached to the outer surface of the washing / dehydrating tank (130).

In order to move the exercise plate 140, the inner tube 120, the inner surface of the first motor 148 is installed, the outer surface of the exercise plate 140 is coupled to the coupling shaft (148a) of the motor 148 ( 141 is formed. Interlocking teeth are formed on the outer surface of the shaft 148a and the inner surface of the coupling pipe 141. Thus, when the shaft 148a of the motor 148 rotates forward and reverse, the coupling pipe 141 is straight. Reciprocate Then, since the movement plate 140 linearly reciprocates, the sealed space 131a of the washing / dehydrating tank 130 is contracted and expanded by the movement plate 140. The roller 143 is installed on one side of the upper and lower surfaces of the exercise plate 140, and the movement path 125 is formed on the upper and lower surfaces of the inner cylinder 120 to insert the roller 143. The roller 143 and the movement path 125 support the movement plate 140 to stably linearly reciprocate.

Stretch tub 150 is provided in the form of a corrugated pipe and positioned between the inner cylinder 130 and the motion plate 140, one side is attached to the inner surface of the inner cylinder 130 and the other side is attached to the outer surface of the washing / dehydrating tank 130 . The inner space of the expansion tank 150 is contracted and expanded by the motion plate 140. At this time, since the washing / dehydrating tank 130 and the expansion tank 150 is located on the opposite side relative to the motion plate 140, when the washing / dehydration tank 130 shrinks, the expansion tank 150 is expanded and the washing / dehydration When the tank 130 expands, the expansion tank 150 contracts. In addition, the washing / dehydrating tank 130 and the expansion tank 150 communicate with the connecting pipe 158 through the medium, and one side of the connection pipe 158 penetrates the bottom surface of the inner cylinder 120 and the expansion tank 150. The other side is in communication with the first discharge hole (123).

Thus, when the sealed space 131a of the washing / dehydrating tank 130 is contracted by the movement of the exercise plate 140, the inner space of the expansion / contraction tank 150 is expanded, and the washing water stored in the washing / dehydrating tank 130 is Is introduced into the expansion tank 150 through the connection pipe 158. When the closed space 131a of the washing / dehydrating tank 130 is expanded by the movement of the exercise plate 140, the inner space of the expansion and contracting tank 150 is contracted, and the washing water introduced into the expansion tank 150 is It flows into the sealed space 131a of the washing / dehydrating tank 130 through the connection pipe 158. That is, the washing water flows between the sealed space 131a of the washing / dehydrating tank 130 and the inner space of the stretching tank 150 by contraction and expansion of the washing / dehydrating tank 130 and the expansion tank 150. , The laundry is washed by the vortex generated at this time.

The vacuum pump 161 is installed inside the outer cylinder 110. The vacuum pump 161 communicates with the sealed space 131b and the connection pipe 158 between the outer shell 130a and the inner shell 130b of the washing / dehydrating tank 130. Thus, during washing, the closed space 131b between the outer skin 130a and the inner skin 130b is made into a vacuum to adsorb the inner skin 130b to the outer skin 130a, and upon washing and dehydration, the washing / dehydrating tank 130 ) And the inside of the expansion tank 150 to a vacuum to completely discharge the wash water present in the washing / dehydration tank 130 and the expansion tank 150 to the outside. The reason for adsorbing the endothelial 130b to the outer shell 130a during washing is to prevent the endothelial 130b from being damaged by the wash water.

Inside the outer cylinder 110, a compressor 165 communicating with the sealed space 131b between the outer shell 130a and the inner shell 130b of the washing / dehydrating tank 130 is installed. The compressor 165 injects air into the closed space 131b between the outer shell 130a and the inner shell 130b during dehydration. Then, the endothelial 130b is expanded in a direction away from the outer shell 130a to contract the closed space 131a of the washing / dehydrating tank 130. Then, the laundry stored in the sealed space 131a is compressed by the endothelial 130b and dehydrated.

The second motor 181 is installed inside the outer cylinder 110, and the rotating blade 185 for changing the position of the laundry while rotating at predetermined time intervals by the second motor 181 during washing in the washing / dehydrating tank. ) Is installed. Since the laundry stored in the closed space 131a of the washing / dehydrating tank 130 is changed by the rotary blade 185, the laundry is uniformly washed.

Reference numeral 162 denotes a second valve for selectively communicating the vacuum pump 161 with the sealed space 131b, the vacuum pump 161, and the connection pipe 158.

The washing operation and the dehydration operation of the washing machine according to the present embodiment configured as described above will be described.

The washing operation will be described with reference to FIGS. 3A to 4B. Figure 3a, 3b and 3c is a view showing the washing operation of the washing machine according to an embodiment of the present invention, Figures 4a and 4b is a washing / dehydrating tank and expansion tank in accordance with an embodiment of the present invention contracted and expanded It is a main cross-sectional view showing.

The discharge pipe 128 is blocked, and the vacuum pump 161 is operated in a state where the sealed space 131b between the vacuum pump 161 and the outer shell 130a and the inner shell 130b of the washing / dehydrating tank 130 is in communication with each other. 3A and 4A, the endothelial 130b is adsorbed onto the outer skin 130a. Thereafter, the laundry and the washing water are put into the washing / dehydrating tank 130, and when the first motor 148 is rotated forward, the counter plate 140 is straight in the order of FIG. 3A to FIG. 3B to FIG. 3C. Exercise. Then, since the closed space 131a of the washing / dehydrating tank 130 is contracted and the inner space of the stretching tank 150 is expanded, the washing water stored in the washing / dehydrating tank 130 is stretched through the connecting pipe 158. It flows into the tank 150. Thereafter, when the first motor 148 reverses, the motion plate 140 linearly moves in the order of Figs. 3C to 3B and 3A. Then, since the sealed space 131a of the washing / dehydrating tank 130 is expanded and the inner space of the stretching tank 150 is contracted, the washing water stored in the stretching tank 150 is washed / dehydrated through the connection pipe 158. It flows into the tank 130. The laundry is washed by the vortices generated at the time of contraction and expansion of the laundry / dehydration tank 130.

In addition, since the washing / dehydrating tank 130 is provided with a synthetic resin material having elasticity, it is expanded and contracted as shown in FIGS. 4A and 4B.

The dewatering operation will be described with reference to FIGS. 5A and 5B. 5a and 5b is a view showing the dehydration operation of the washing machine according to an embodiment of the present invention.

As shown, when the washing is completed, the discharge pipe 128 is opened and the compressor 165 is operated so that the air flows into the sealed space 131b between the outer shell 130a and the inner shell 130b of the washing / dehydrating tank 130. Supplied. Then, the endothelium 130b is expanded in the state of FIG. 5A to FIG. 5B to contract the sealed space 131a of the laundry / dehydration tank 130 in which the laundry is stored, thereby compressing the laundry and dehydrating the laundry.

After both washing and dehydration are completed, the vacuum pump 161 is in communication with the connecting pipe 158, vacuuming the interior of the washing / dehydrating tank 130 and the expansion tank 150. Then, the washing water remaining in the washing / dehydrating tank 130 and the expansion tank 150 is discharged to the outside.

In the connection pipe 158 according to the present embodiment, a fan (not shown) may be installed to help the washing water smoothly travel between the washing / dehydrating tank 130 and the expansion tank 150.

As described above, in the washing machine according to the present invention, the laundry is washed while the washing / dehydrating tank is contracted and expanded by the linear motion of the moving plate. Then, the laundry is compressed and dehydrated by the expansion of the endothelium of the washing / dehydrating tank. Therefore, twisting of laundry during washing and dehydration is prevented.

In the above, the present invention has been described in accordance with one embodiment of the present invention, but those skilled in the art to which the present invention pertains have been changed and modified without departing from the spirit of the present invention. Of course.

Claims (3)

External pain; An inner cylinder installed inside the outer cylinder; A washing / dehydrating tank installed inside the inner cylinder and having a sealed space in which laundry and washing water are stored, and communicating with a discharge pipe guiding discharge of the washing water; An exercise plate attached to an outer surface of the washing / dehydrating tank and installed to reciprocate linearly in the inner cylinder to contract and expand a closed space of the washing / dehydrating tank during washing; One side is attached to the inner surface of the inner cylinder and the other side is attached to the outer surface of the exercise plate is in communication with the washing / dehydrating tank, when the closed space of the washing / dehydrating tank by the movement of the exercise plate is sealed inside of itself When the laundry is stored in the washing / dehydration tank is expanded into the inside and the sealed space of the washing / dehydration tank is expanded, the sealed space inside of the contraction is contracted to supply the washing water introduced into the washing / dehydration tank In the washing machine provided with an expansion tank, The washing / dehydrating tank is provided with an outer skin and an inner skin of the synthetic resin material having elasticity, and a sealed space for storing the laundry and the wash water is formed inside the inner skin, and another closed space is formed between the outer skin and the inner skin. The inside of the outer cylinder to make the sealed space between the outer shell and the endothelial vacuum during washing to adsorb the endothelial to the outer shell, and after completion of washing and dehydration, the closed space and the inside of the inner shell of the laundry / dehydration tank A vacuum pump is installed to make the inside of the expansion tank into a vacuum and discharge the remaining washing water to the outside. In the inside of the outer cylinder is provided with a compressor for injecting air into the closed space between the outer shell and the endothelial during dehydration so that the laundry stored in the closed space inside the inner shell is compressed by the endothelial to dehydrate, Washing machine, characterized in that provided on one side of the discharge pipe is provided with a first valve for closing the discharge pipe when washing and opening the discharge pipe when dewatering. The method of claim 1, The outer cylinder, the inner cylinder and the upper surface central portion of the washing / dehydrating tank are formed to correspond to each other, the first, second and third injection holes are formed to communicate with each other, An inner circumferential surface of the third inlet hole is formed with a first coupling pipe extending upward, and an outer circumferential surface of the first coupling pipe is attached to inner circumferential surfaces of the first and second inlet holes, A cover is coupled to the first input hole, and an inflow path is formed in the cover to guide the washing water into the washing / dehydration tank. A stopper is detachably coupled to the inflow path. The lower surface of the inner cylinder and the lower surface of the washing / dehydration tank are formed in communication with each other and the first and second discharge holes communicating with the discharge pipe are formed, respectively, The inner peripheral surface of the second discharge hole is formed with a coupling frame extending to the center side of the second discharge hole is attached to the bottom surface of the inner cylinder adjacent to the first discharge hole, The inner peripheral surface of the coupling frame is formed with a second coupling tube extending downward, the outer peripheral surface of the second coupling tube is attached to the inner peripheral surface of the first discharge hole, The inner cylinder is provided with a first motor for linearly reciprocating the movement plate, Rollers are provided on the upper and lower surfaces of the exercise plate, and a movement path into which the rollers are inserted is formed on the upper and lower surfaces of the inner cylinder. Washing machine, characterized in that between the washing / dehydration tank and the expansion tank, one side is passed through the bottom surface of the inner cylinder to communicate with the expansion tank and the other side is connected to the first discharge hole. The method of claim 1, A washing machine, characterized in that a second motor is installed inside the outer cylinder and a rotating wing is installed inside the washing / dehydrating tank to change the position of the laundry during washing while rotating by the second motor.

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