JP2019517365A - Drum type washing machine and washing method thereof - Google Patents

Abstract

A drum-type washing machine and a method of washing the same. The drum-type washing machine includes an inner tank (1) and an outer tank (2), and a ring-shaped separated passage (6) is provided between the outer tank (2) and the inner tank (1). A hole (3) and a water discharge hole (4) are provided in a ring-shaped area corresponding to the ring-like separation passage (6) of the outer tank (2), and a drainage hole (5) is a ring of the inner tank (1) The region other than the ring-shaped region corresponding to the ring-shaped separation passage (6) of the inner tank (1) is a non-porous structure, provided in the ring-shaped region corresponding to the ring-shaped separation passage (6) The front end opening of the inner tank (1) is separated from the front end opening of the outer tank (2) by a spacer. [Selected figure] Figure 1

Description

  The present disclosure relates to the technical field of washing machines, for example, a drum-type washing machine and a method of washing the same.

  The space between the inner and outer tubs of the drum-type washing machine in the related art is a closed area for the user and can not be directly cleaned. When washing, dirty water flows in the area between the inner tank and the outer tank, and if time passes, dirt will be deposited in this area, and if not cleaned for a long time, it will contaminate the clothes in the washing process, causing the user to It affects the health, and further an offensive odor is generated in the washing machine.

  In the related art, a method of cleaning an inner tub and an outer tub of a drum-type washing machine includes: A method of flushing the inner tank with a stream of water to reduce dirt attached to the inner tank; There is a method of regularly cleaning the washing machine with chemicals using a bath cleaning detergent to remove dirt. In the above-mentioned method of flushing with water, the washing machine can not be cleaned thoroughly and thoroughly, and it takes time in the method of cleaning with chemicals.

  Accordingly, there is a need for a drum-type washing machine and a method for cleaning the same that avoids the adhesion and deposition of dirt in the area between the inner and outer tubs.

  The present disclosure provides a drum-type washing machine and a method for cleaning the same that prevent dirt from adhering to and accumulating in the area between the inner tank and the outer tank.

  The present disclosure adopts the following technical solutions.

  In one aspect of the present disclosure, an inner tank, an outer tank, and a drainage device are provided, a water supply hole and a water discharge hole are provided in the outer tank, a drainage hole is provided in the inner tank, and a space between the outer tank and the inner tank is provided. The ring-shaped separation passage is provided, and the ring-shaped separation passage is connected to the outer tank or the inner tank, located between the inner tank and the outer tank, and located outside the ring-shaped separation passage The area does not communicate with the area in the ring-like separation passage, and the water supply hole and the water discharge hole are provided in the ring-like area corresponding to the ring-like separation passage in the outer tank, and the drainage hole is in the ring-like space of the inner tank A region other than the ring-shaped region corresponding to the ring-shaped separated passage of the inner tank, which is provided in the ring-shaped region corresponding to the passage, has a non-porous structure, the drainage device is connected to the water discharge hole, and the front end of the inner tank Provided is a washing machine in which the opening is separated from the front end opening of the outer tub by a spacer.

  Optionally, a ring-shaped separation passage is connected to the outer tub, a sealing member is provided between the ring-shaped separation passage and the inner tub, and the sealing member is connected to the ring-shaped separation passage.

  Optionally, the ring-like separation passage comprises two spaced apart ring-shaped wall plates, the sealing member comprises two sealing rings and the two sealing rings comprise two ring-shaped wall plates They are linked in a one-to-one correspondence.

  As an option, a ring-like separation passage is provided between the outer peripheral wall of the inner tank and the inner peripheral wall of the outer tank, and the drainage holes are distributed over the entire circumference of the side wall of the inner tank.

  As an option, a ring-like separation passage is provided on the outer peripheral wall of the rear end of the inner tank, and a drainage hole is provided on the rear end of the side wall of the inner tank.

  As an option, the spacer is a washing machine door.

  As an option, a ring-shaped sealing member is provided between the washing machine door and the inner tub.

  As an option, a shower device is provided in the ring-like separation passage, and the injection direction of the shower device is directed to the inside of the ring-like separation passage.

  As an option, a guiding structure is provided on the inner circumferential wall of the inner tank.

  In another aspect of the present disclosure, the drainage device is turned on and water is supplied to the ring-like separation passage through the water supply hole, and the water flow flushes the ring-like separation passage and then passes through the water discharge hole in the outer tank; The method for washing a drum-type washing machine according to any one of the above, comprising the steps of:

  The drum-type washing machine of the present embodiment is provided with a spacer and a ring-shaped separation passage, and by forming an area other than the region corresponding to the ring-shaped separation passage of the inner tank into a non-porous structure. Since the space between the tank and the inner tank is completely separated from the inside of the inner tank, and the flow of sewage is not formed between the inner tank and the outer tank, the contamination is caused between the outer tank and the inner tank. Does not deposit on areas of Since the area of the ring-like separation passage is much smaller than the area of the outer tank, it is easy to clean and dirt and dirt are hard to deposit. Therefore, the drum-type washing machine can reduce secondary contamination of clothes in the washing process, and can reduce the offensive odor due to the accumulation of stains in the washing machine.

  In the drum-type washing machine of the present embodiment, as an option, a ring-like separation passage is connected to the outer tub, a sealing member is provided between the ring-like separation passage and the inner tub, and the sealing member is ring-like separation Connected to the aisle. On the other hand, when the ring-shaped separated passage is connected to the outer tub, it does not rotate during operation of the washing machine, and power consumption is reduced as compared to being connected to the inner tub. On the other hand, the sealing member can be used to ensure contact and sealing between the ring-like separation passage and the inner tub, in particular when the inner tub is pivoted and shaken. The separation effect can be guaranteed.

  In the drum type washing machine of this embodiment, as an option, a ring-like separation passage is provided at the rear end of the inner tank, and a drainage hole is provided at the rear end of the side wall of the inner tank to effectively reduce the runout. Can.

  In the drum-type washing machine of the present embodiment, a shower device is optionally provided in the ring-like separation passage, and the jetting direction of the shower device is a direction toward the inside of the ring-like separation passage. In the cleaning process, the shower apparatus can directionally flush the inside of the ring-shaped separation passage (including the side wall of the ring-shaped separation passage, the inner peripheral wall of the outer tank, and the outer peripheral wall of the inner tank). And the amount of water entering the inner tank was reduced as much as possible.

  In the washing method of the drum type washing machine of this embodiment, the drainage device is turned on, and water is poured into the ring-shaped separation passage through the water supply port, and the water flows in the ring-shaped separation passage, and then the water discharge hole in the outer tank And draining through the drainage device. The space between the outer tub and the inner tub of the drum-type washing machine is completely separated from the inside of the inner tub, and the dirt does not stick to the area between the outer tub and the inner tub. In the drum-type washing machine, only the ring-shaped separation passage needs to be cleaned, and furthermore, since the area of the ring-shaped passage is small, it is easy to clean. The drum-type washing machine can reduce secondary contamination of clothes in the washing process, and can also reduce the offensive odor generated in the washing machine due to the accumulation of dirt.

FIG. 1 is a structural schematic view of the inside of the drum type washing machine according to the present embodiment. FIG. 2 is a partial structural schematic view of the drum-type washing machine in FIG. FIG. 3 is a structural schematic view of a shower apparatus according to the present embodiment. FIG. 4 is a structural schematic view of a guiding structure according to the present embodiment. FIG. 5 is a schematic view of a flow of the washing method of the drum type washing machine according to the present embodiment.

  1: inner tank 2: external tank 3: water supply hole 4: water discharge hole 5: drainage hole 6: ring-shaped separation passage 61 · 62: ring-shaped wall plate 7: sealing member 71 72: sealing ring; 8: washer door; 81: inner tank door; 82: outer tank door; 9: ring-shaped sealing member; 10: water supply pipe; 11: drainage device; 110: drainage pipe; 12: guiding structure; 13: door packing; 14: housing; 15: shower device.

Hereinafter, the technical solution of the present embodiment will be described by way of specific embodiments with reference to the drawings. As long as there is no conflict, the features of the following embodiments and embodiments can be arbitrarily combined with one another.
Example 1

  Referring to FIGS. 1 and 2, in the present embodiment, the drum-type washing machine includes an inner tub 1, an outer tub 2, and a drainage device 11. A ring-shaped separation passage 6 is provided between the outer tank 2 and the inner tank 1, and the ring-shaped separation passage 6 is connected to the outer tank 2 or the inner tank 1, that is, the ring-shaped separation passage 6 is It may be connected to the tank 1 and may rotate with the inner tank 1 at the time of washing, or may be connected to the outer tank 2 and may be kept stationary with the outer tank 2 at the time of washing. A water supply hole 3 and a water discharge hole 4 are provided in the outer tank 2, and the water supply hole 3 and the water discharge hole 4 are provided in the outer tank 2 and located in a ring-shaped region of the ring-shaped separation passage 6. A drainage hole 5 is provided in the inner tank 1, and a drainage hole 5 is provided in the inner tank 1 and located in a ring-shaped region of the ring-shaped separation passage 6, corresponding to the ring-shaped separation passage 6 of the inner tank 1 The area other than the ring-shaped area is a non-porous structure. Further, the front end opening of the inner tank 1 is separated from the front end opening of the outer tank 2 by the spacer. Here, the front end opening may be an inlet of the inner tub 1 and the outer tub 2 for putting the laundry into the inner tub 1. The ring-shaped separation passage (6) divides the space between the inner tank (1) and the outer tank (2) into two parts, one being the internal space of the ring-shaped separation passage (6), the other Is a space outside the ring-like separation passage (6), and the internal space of the ring-like separation passage (6) does not communicate with the space outside the ring-like separation passage (6). The water supply hole 3 of the outer tank 2 is connected to the water supply pipe 10. The drainage device 11 may be an upper drainage device or a lower drainage device, and in the present embodiment, the upper drainage device is adopted. The upper drainage device includes a drainage pipe 110 communicating with the water discharge hole 4 of the outer tank 2, and the drainage pipe 110 is provided with a drainage pump 111. Water is supplied to the ring-shaped separation passage 6 via the water supply hole 3 via the water supply pipe 10, and water enters the inner tank 1 via the ring-shaped separation passage 6 and the drainage hole 5. At the time of drainage, the drainage pump 111 is turned on, and the water in the inner tank 1 enters the ring-shaped separated passage 6 via the drainage hole 5 and is drained to the drainage pipe 110 via the water drainage hole 4.

  Thus, by installing the spacer and the ring-shaped separation passage 6, and making the other region other than the region located in the ring-shaped region of the ring-shaped separation passage 6 of the inner tank 1 a non-porous structure , The space between the outer tank 2 and the inner tank 1 is completely separated from the inside of the inner tank 1, and furthermore, the flow of sewage is not formed between the inner tank 1 and the outer tank 2, and the dirt is the outer tank The adhesion between the region 2 and the inner tank 1 is avoided. Since the area of the ring-shaped separation passage 6 is much smaller than the area of the outer tank 2, it is easy to clean, and further, it is difficult for dirt to adhere and to be deposited. Therefore, the drum-type washing machine of the present embodiment can reduce secondary contamination of clothes in the washing process, and can also reduce the offensive odor generated in the washing machine due to the accumulation of dirt.

  Referring to FIGS. 1 and 2, in the present embodiment, the ring-shaped separated passage 6 is the outer peripheral wall of the inner tank 1 (the outer surface of the side wall of the inner tank 1) and the inner peripheral wall of the outer tank 2 (side wall of the outer tank 2). And the drainage hole 5 is distributed over the entire circumference of the side wall of the inner tank 1. The drainage holes 5 may be provided on one or more circumferences, or the drainage holes 5 may be arranged to cross each other. However, the drainage holes 5 can only be installed in the region of the ring-shaped separation passage 6. This is to ensure that the other area of the inner tank 1 is non-porous and also to ensure that the water in the inner tank 1 does not enter the area between the outer tank 2 and the inner tank 1 It is.

  As an option, a ring-shaped separation passage 6 is connected to the outer tub 2 and the ring-shaped separation passage 6 is not rotated when the washing machine is operated, and the ring-shaped separation passageway 6 is connected to the inner tub 1 Power consumption is reduced compared to. A sealing member 7 may be provided between the ring-shaped separation passage 6 and the inner tank 1, and the sealing member 7 is connected to the ring-shaped separation passage 6, that is, the inner tank 1 of the ring-shaped separation passage 6. The sealing member 7 is provided on the side facing the side, whereby the ring-like separation passage 6 rings the area between the inner tank 1 and the outer tank 2 (except for the area occupied by the ring-like separation passage 6) It is possible to guarantee the separation from the ring-shaped area of the separation passage 6 and to guarantee the separation effect if the inner tub 1 is pivoted and shaken.

  As an option, the ring-like separation passage 6 is provided with two ring-like wall plates 61 and 62 spaced apart, the sealing member 7 is provided with two sealing rings 71 and 72, and two sealing rings 71 72 are connected in a one-to-one correspondence with two ring-shaped wall plates 61 and 62 (for example, a fixed connection method such as adhesion is adopted). The ring-shaped separation passage 6 communicates with the water supply hole 3 and the water discharge hole 4, the ring-shaped separation passage 6 communicates with the drainage hole 5 of the inner tank 1, and the two ring-shaped wall plates 61 and 62 The water is restricted so that it can flow only between the two and can not enter the area between the outer tank 2 and the inner tank 1. As an option, two ring-shaped wall plates 61 and 62 are provided in parallel.

  As an option, in another embodiment, a ring-shaped separation passage 6 may be connected to the inner tank 1 to move together with the inner tank 1, and at this time, the sealing member 7 may be connected to the ring-shaped separation passage 6 and the outer tank 2. Provided between

  As an option, a ring-like separation passage 6 is provided at the rear end of the inner tank 1 and a drainage hole 5 is provided at the rear end of the side wall of the inner tank 1. That is, the position of the drainage hole 5 of the inner tank 1 is close to the rotating shaft connected to the inner tank 1, and thus the shake can be effectively reduced. As an option, “the rear end of the inner tank 1” means 1/7 places along the length of the inner tank 1 in the longitudinal direction (for example, the connecting position of the inner tank 1 and the rotation axis It means the starting point) and the part after that. In another embodiment, depending on the installation of the washing machine inner tub 1, the outer tub 2 and other members, the specific position of the “rear end of the inner tub 1” is a position at which the swing can be reduced. Good.

  Also, in the present embodiment, the spacer may be the door 8 of the washing machine. When the washing machine door 8 is closed, the washing machine door 8 seals the front end opening of the inner tub 1 and the front end opening of the outer tub 2 and separates the front end opening of the inner tub 1 from the outer tub 2. The portion close to the inner tank 1 of the washing machine door 8 is defined as the inner tank door 81, and the inner tank door 81 is used to seal the front end opening of the inner tank 1, and the inner tank door 81 and A ring-shaped sealing member 9 is provided between the tank 1 and the ring-shaped sealing member 9 can select a sealing ring, and the sealing ring is fixed to the door 81 of the inner tank. A portion of the washing machine door 8 remote from the inner tub 1 is defined as the outer tub door 82, and the door packing 13 is fixed to the outer tub door 82 in order to seal the outer tub 2 and the casing 14 of the washing machine. Be done. As an option, the door 8 of the washing machine is an integrated member in order to facilitate the opening and closing operation of the door.

  As an option, the spacer may be a dedicated member for separating the inner tank 1 and the outer tank 2, for example, a stopper ring provided in a region between the front end of the inner tank 1 and the front end of the outer tank 2 Or the like.

  As an option, in the present embodiment, a shower device is provided in the ring-shaped separation passage 6, and FIG. 3 is a structural schematic view of the shower device according to the present embodiment. The direction is toward the inside of the passage 6. In the cleaning step, the shower device 15 can directionally flush the inside of the ring-shaped separation passage 6 (including the side wall of the ring-shaped separation passage, the inner peripheral wall of the outer tank, and the outer peripheral wall of the inner tank) The washing effect was high, and the amount of water entering the inner tank 1 was reduced as much as possible. A water pipe connected to the shower device 15 may be provided to supply water to the shower device 15.

  As an option, referring to FIG. 4, a guiding structure 12 is provided on the inner circumferential wall of the inner tank 1. In the present embodiment, the flow guiding structure 12 includes a plurality of protrusions, and the distribution of the protrusions is helical as a whole. In another embodiment, the guiding structure 12 may be a guiding groove or the like, as long as it can lead the water in the inner tank 1 to the drainage hole 5.

  Referring to FIG. 1, a first region B is formed in the inner tank 1, the ring-shaped separation passage 6 forms a second region A, and the space between the inner tank 1 and the outer tank 2 (ring-shaped separation A region other than the passage 6 forms a third region C, the first region B communicates with the second region A through the drain hole 5, and the first region B does not communicate with the third region C, The region A also does not communicate with the third region C.

  Hereinafter, the operation process of the drum type washing machine of this embodiment is as follows.

  At the time of washing, the door 8 of the washing machine is closed to close the inner tank 1, and tap water passes through the water supply hole 3 and enters the ring-like separation passage 6 through the water supply pipe 10, and then through the drainage hole 5 At this time, the water did not enter the third region C, and the water entered only the first region B and the second region A.

  When the water supply is completed, the motor drives the inner tank 1 to wash at a program of a ratio of constant rotation time and stop time.

  When the washing is completed, the drainage pump 111 is turned on to drain, and the water in the inner tank 1 enters the ring-like separation passage 6 through the drainage hole 5 and then into the drainage pipe 110 through the drainage hole 4 It enters and is discharged.

  At the time of washing, the tap water enters the ring-shaped separation passage 6 through the shower device 15, and the side wall of the ring-shaped separation passage 6 and the inner wall region of the outer tank 2 corresponding to the ring-shaped separation passage 6 and the inner tank Rinse the outer wall area of 1 and flush the sewage from the water outlet 4 thoroughly.

  When washing is completed, the water is dewatered in the inner tank 1, and the water is led to the drainage hole 5 by the flow guiding structure 12 in the inner peripheral wall of the inner tank 1, and then drained through the ring-like separation passage 6 and the water discharge hole 4. Be done.

The above steps are repeated until the washing is completed to perform the rinsing step.
Example 2

  In the present embodiment, the method for washing the drum-type washing machine in the embodiment 1 will be described, referring to FIG. 5, which comprises the following steps.

  At step 510, the drainage device 11 is turned on.

  In step 520, the ring-shaped separation passage 6 is filled with water through the water supply hole 3, and the water flow is flushed through the water-discharge hole 4 in the outer tank 2 after being flushed through the ring-shaped separation passage 6 and drained through the drainage device 11. Be done.

  Since the area of the ring-shaped separation passage 6 of the drum type washing machine is small, it is easy to be washed away. By the above-mentioned steps, the side wall of the ring-shaped separation passage 6, the inner wall region of the outer tank 2 corresponding to the ring-shaped separation passage 6 and the outer wall region of the inner tank 1 can be cleaned cleanly. The washing machine can reduce the secondary contamination to the clothes during the washing process, and can also reduce the offensive odor generated in the washing machine due to the accumulation of dirt.

  When the shower device 15 is attached, the ring-like separation passage 6 can be filled with water via the shower device 15. When the shower device 15 is not attached, the ring-shaped separation passage 6 can be washed away by injecting water to the water supply hole 3 through the water supply pipe 10.

  The present disclosure provides a drum-type washing machine and a washing method thereof capable of solving secondary contamination to clothes due to dirt accumulation in a laundry process, as well as reducing offensive odor due to dirt accumulation in the washing machine.

Claims (10)

An inner tank (1), an outer tank (2), and a drainage device (11) are provided, and the outer tank (2) is provided with a water supply hole (3) and a water discharge hole (4); ) Are provided with drainage holes (5),
A ring-shaped separation passage (6) is provided between the outer tank (2) and the inner tank (1), and the ring-shaped separation passage (6) is the outer tank (2) or the inner tank. A region connected to (1), located between the inner tank (1) and the outer tank (2), and located outside the ring-like separation passage (6) is the ring-like region Not in communication with the area in the separation passage (6),
The water supply hole (3) and the water discharge hole (4) are provided in a ring-shaped area corresponding to the ring-like separation passage (6) of the outer tank (2), and the drainage hole (5) is A ring-shaped region provided in a ring-shaped region corresponding to the ring-shaped separation passage (6) of the inner tank (1), and corresponding to the ring-shaped separation passage (6) of the inner tank (1) The other area is non-porous structure,
The drainage device (11) is connected to the water discharge hole (4),
A drum-type washing machine, wherein the front end opening of the inner tub (1) is separated from the front end opening of the outer tub (2) by a spacer.   The ring-shaped separated passage (6) is connected to the outer tank (2), and a sealing member (7) is provided between the ring-shaped separated passage (6) and the inner tank (1), The drum washing machine according to claim 1, wherein a sealing member (7) is connected to the ring-like separation passage (6).   The ring-like separation passage (6) comprises two ring-like wall plates (61, 62) spaced apart, and the sealing member (7) comprises two sealing rings (71, 72). The drum type washing machine according to claim 2, wherein the two sealing rings (71, 72) are connected to the two ring-shaped wall plates (61, 62) in a one-to-one correspondence.   The ring-like separation passage (6) is provided between the outer peripheral wall of the inner tank (1) and the inner peripheral wall of the outer tank (2), and the drainage hole (5) is of the inner tank (1). The drum-type washing machine according to claim 1, which is distributed over the entire circumference of the side wall.   The ring-like separation passage (6) is provided on the outer peripheral wall of the rear end of the inner tank (1), and the drainage hole (5) is provided on the rear end of the side wall of the inner tank (1) The drum-type washing machine according to 4.   The drum washing machine according to claim 1, wherein the spacer is a washing machine door (8).   The drum washing machine according to claim 6, wherein a ring-shaped sealing member (9) is provided between the washing machine door (8) and the inner tub (1).   A shower device (15) is provided in the ring-like separation passage (6), and a spray direction of the shower device (15) is a direction toward the inside of the ring-like separation passage (6). Drum type washing machine as described.   The drum type washing machine according to claim 1, wherein a guiding structure (12) is provided on an inner peripheral wall of the inner tank (1). A method of washing a drum-type washing machine according to any one of claims 1 to 9, wherein
The drainage device (11) is turned on, and water is supplied to the ring-like separation passage (6) through the water supply hole (3), and the water flow is used to flush the ring-like separation passage (6). A method of washing a drum type washing machine, comprising the steps of: draining through the drainage device (11) through the water outlet (4) in.

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