KR0134831Y1 - Water supply conversion device of a soft-water washing machine - Google Patents

Abstract

The present invention can be selectively selected according to the user's needs in various types of water in the water washing machine equipped with water purification function, can prevent the occurrence of backflow phenomenon during water supply, vibration welding the upper and lower cases of the water supply switching means Because it combines with many advantages such as can be used conveniently even at high water pressure.

To this end, the present invention requires the water supply type of the purified water and cold water and hot water supplied from the water supply valve unit 2 between the water supply valve unit 2 and the water filter 3 of the top cover 1 at every water supply. It is a water supply switching device of the purified water washing machine provided with a water supply switching means (4) for selecting and switching according to.

Description

Water supply switch of water purification washing machine

1 is a configuration diagram showing a water supply flow path of a conventional fully automatic washing machine.

2 is a block diagram showing the present invention.

3 is an exploded perspective view showing the water supply switching means of FIG.

4 is a cross-sectional view showing the combined state of FIG.

* Explanation of symbols for main parts of the drawings

1: Top cover 2: Water supply valve part

3: water filter 4: water supply switching means

5: lower case 6: first supporting member

7 second support member 8 backwash valve

9: water supply valve 10: first inlet hole

11: second entrance hole 12: first exit hole

13 blocking member 14 second exit hole

15: third entrance hole 16: third exit hole

17: injection hole 18: injection member

19: detergent container 20: welding rib

21: upper case 22: water purification valve

23: cold water valve 24: hot water valve

25: first water supply rib 26: second water supply rib

27: third water supply rib 28: sealing rubber

The present invention relates to a water supply switching device of a purified water washing machine, and more particularly, it is possible to selectively supply water required for washing in a purified water washing machine equipped with a water purification function, and to prevent backflow during water supply.

In the conventional fully automatic washing machine, as shown in FIG. 1, the cold water and hot water valves 23a and 24a are installed so that the cold water and the hot water are separated through the respective cold and hot water valves 23a and 24a. While being met in the detergent container 19a, it flows into the inside of the washing tank 29 /

That is, when the user selects cold water or hot water during water supply, cold water or hot water flows into the cold water or hot water valves 23a and 24a, and the water is supplied to the washing tank 29 through the detergent container 19a, and the cold water and the hot water together. When selected, the cold water and hot water valves 23a and 24a are simultaneously turned on and mixed into the detergent container 19a to be supplied to the washing tank 29, where the outlets of the cold and hot water valves 23a and 24a are separated. Since the water supplied to the detergent container 19a flows into the washing tank 29, the backflow during water supply is prevented.

However, such a conventional washing machine does not have a function for purifying the water to be supplied, and there is a problem such that the reliability of the product may be lowered due to the inability to selectively perform various kinds of water supply.

The present invention is to solve the above-mentioned problems, it is possible to select the water supply in various forms to wash water required for washing in the water purifier equipped with a water purification function, as well as to generate a backflow phenomenon during water supply It is an object of the present invention to provide a water supply switching device of a purified water washing machine that can be prevented.

In order to achieve the above object, the present invention provides a water supply switching means for selecting and switching the water supply type of the purified water and cold water and hot water supplied from the water supply valve portion between the water supply valve of the top cover and the water filter as necessary for each water supply. It is a water supply switching device of the installed purified water washing machine.

Hereinafter, an embodiment of the present invention will be described in detail with reference to FIGS. 2 to 4.

2 is a schematic view showing the present invention, FIG. 3 is an exploded perspective view showing the water supply switching means of FIG. 2, and FIG. 4 is a cross sectional view showing the combined state of FIG. Water supply switching means (4) for selecting and switching the water supply type of the purified water and cold water and hot water supplied by the water supply valve portion 2 between the water supply valve portion 2 and the water filter 3 within each water supply as necessary. ) Is installed.

The purified water and cold water and hot water inflow spaces S1, S2, and S3 are integrally formed at the rear of the lower case 5 in the water supply switching means 4, and protruded, respectively. The first and second support members 6 and 7 are formed to fix the backwash valve 8 which is operated when the backwash is performed on the first support member 6, and the purified water and the cold water supply are provided on the second support member 7. The water supply valve 9, which is operated at the same time, is fixed.

In addition, a first inlet hole 10 is formed in the lower side of the first support member 6 to communicate with the purified water inflow space S1, and in one side of the second support member 7, the cold water inflow space S2 is formed. A second inlet hole 11 is formed to be formed, and a first outlet hole 12 is formed at one front side of the lower case 5 so as to communicate with the hot water inflow space S3, and the second support member 7 A blocking member 13 for separating a flow path is formed between the lower side and the first outlet hole 12, and a second outlet hole 14 is formed at an end of the blocking member 13, and the lower case ( At one side of 5), third inlet and outlet holes 15 and 16 communicating with the water filter 3 are formed, respectively.

In addition, in the front of the lower case (5), a spray member (18) having a plurality of spray holes (17) for sequentially spraying water supplied through the water supply switching means (4) and a detergent container (19) for storing detergent ) Is installed, and the purified water and the cold water and hot water inflow spaces S1, S2, and S3 are formed on the rear of the lower case 5, respectively, and protruded from the purified water and cold water and hot water inflow space S1. A welding rib 20 is formed to be separated from each other (S2) and S3, and the upper case 21 is coupled to the upper case 21 by vibrating welding to maintain watertightness and adhesion strength.

In addition, the first, second and third water supply ribs 25 are protruded to the upper part of the upper case 21 so that the purified water of the water supply valve part 2 and the lower parts of the cold water and hot water valves 22, 23, 24 are inserted. (26) and (27) are formed, and water leakage in the first, second and third water supply ribs (25), (26) and (26) is prevented from leaking to the lower part of the coolant and hot water valves (22, 23, 24) The sealing rubber 28 for inserting is inserted and comprised.

The present invention configured as described above has a water supply valve portion in the top cover 1 when cold water is supplied to the top cover 1 when the user wants to purify the inflow water for washing white clothes such as lingerie as a water washing machine. (2) is formed on one side of the lower case (5) through the purified water inlet space (s1) which flows through the water purification valve (22) and protrudes behind the lower case (5) of the water supply switching means (4). It enters into the water filter 3 through the 3rd drawing hole 15 which communicates with 3).

Thereafter, the second support opening 7 in which the cold water becomes a purified water inside the purified water filter 3 and is fixed to the water supply valve 9 on the lower case 5 via the third outlet hole 16 of the lower case 5. The purified water flows into the water flow valve 9 through the second inlet hole 11 formed to communicate with the cold water inflow space S2 on one side, and then passes through the hot water inflow space S3 on one side in the lower case 5. The lower case 5 is formed between the inside of the first outlet hole 12 and the lower side of the second support member 7, and the second outlet hole 14 is formed by separating the flow path into the blocking member 13. The purified water is injected into the injection hole 17 through the injection member 18 installed in front of the) to wash the detergent in the detergent container 19, the water supply of purified water to the washing tank 29 is made in the a direction of FIG.

In addition, during the supply of cold water, cold water flows in through the cold water valve 23 of the water supply valve unit 2 so as to communicate with the cold water inflow space S2 protruding from the lower case 5 of the water supply switching means 4. Cold water flows into the water flow valve 9 through the formed second inlet hole 11.

Then, the blocking member 13 is formed between the inside of the first outlet hole 12 and the lower side of the second support member 7 formed to communicate with the hot water inlet space S3 on one front side of the lower case 5. Cold water is injected into the plurality of injection holes 17 through the injection member 18 in the lower case 5 through the second outlet hole 14 formed by separating the furnace flow path, thereby washing the detergent in the detergent container 19. Cold water is supplied to the washing tank 29 while the water is taken out in the b direction of FIG.

In addition, when hot water is supplied, hot water flows in through the hot water valve 24 of the water supply valve unit 2 and passes through the hot water inflow space S3 protruding from the lower case 5 of the water supply switching means 4. A plurality of injection holes 17 through the injection member 18 in the front of the lower case 5 through the first outlet hole 12 formed to communicate with the hot water inlet space (S3) on one front side in the case (5). The hot water is supplied to the washing tank 29 to wash the detergent in the detergent container 19 to supply hot water in the c direction of FIG.

On the other hand, in order to extend the service life of the water filter 3, in the case of reverse washing, the foreign substances caught in the water filter 3 are discharged to the outside in the reverse direction of the flow path of the water filter 3, in which case d of FIG. Proceeds in the direction.

That is, the cold water flows in through the cold water valve 23 of the water supply valve unit 2 and passes through the cold water inflow space S2 protruding from the lower case 5 of the water supply switching means 4. Through the cold water inlet space (S2) protruding to the rear of one side lower case (5) flows into the water filter (3) through the third outlet hole (16) formed on one side of the lower case (5) of the water filter (3) After washing the inside, the water purification inlet space S1 on one side of the first support member 6 to which the backwash valve 8 on the lower case 5 is fixed through the third inlet 15 of the lower case 5 is fixed. As the wash water flows into the backwash valve 8 through the first inlet hole 10 formed to communicate with the water, the water is discharged to the outside of the washing machine through a drain valve (not shown). It will be easy to clean.

And, although there are some differences depending on the course of use and the control method of the washing machine, when the water supply is completed, the washing machine performs a series of post-operations for performing unique functions such as washing and dehydration, and the water supply switching means of the present invention every time water supply ( 4) can be switched variously by selecting any kind of water supply.

In addition, when a single type of water such as long life, cold water, and hot water is supplied, a reverse flow phenomenon may occur in which water flows back to the other valve side, and a hot water inflow space at one front side of the lower case 5 of the water supply switching means 4. The second outlet hole 14 is formed at the lower end of the second support member 7 on which the water passage valve 9 is integrally fixed to the inner end of the first outlet hole 12 formed to communicate with S3. Since the blocking member 13 is formed to coincide with each other, the water passing through the water valve 9 is purified and discharged directly toward the spray member 18 and the detergent container 19 and at the same time the hot water inflow space ( S3) rather negative pressure is applied so that water does not flow back to the hot water valve (24) side.

In addition, even when hot water is supplied, the water passing through the first outlet hole 12 by the blocking member 13 does not flow into the water supply valve 9 side, but supplies the injection member 18 and the detergent container 19 so that a backflow occurs. It can be prevented.

On the other hand, backwashing is preferably carried out for a few seconds when the water is drained after completion of purified water supply, and only after the backwashing is completed by turning on the water supply and backwash valves (9) and (8) for a few seconds. The remaining water in (S2) is drained.

As described above, the present invention can be selectively selected according to the needs of the user in a variety of types of water in the water washing machine equipped with a water purification function, it is possible to prevent the backflow phenomenon occurs during water supply, water supply switching means ( Since the upper and lower cases 21 and 5 of 4) are combined by vibrating welding, it is a very useful design with many advantages such as being able to use conveniently even at high water pressure.

Claims (7)

Between the water supply valve portion of the top cover and the water filter, water supply switching means for selecting and switching the water supply type of the water supply from the water supply valve portion and cold water and hot water as necessary for each water supply is installed. Water changer. According to claim 1, wherein the water supply switching means is the first and second support members and the water purification and cold water and hot water inlet spaces are fixed to each of the first and second support members are fixed to the backwash and the water supply valve to operate the backwash and purified water and cold water The water supply switching device of the water washing machine, comprising a case and an upper case coupled to the lower case and having first, second and third water supply ribs into which the purified water and the lower part of the cold and hot water valves are inserted. According to claim 2, wherein the first inlet hole is formed in the lower side of the first support member to communicate with the purified water inlet space, the second inlet hole is formed in one side of the second support member to communicate with the cold water inlet space, the lower case The water supply switching device of the water purification washing machine has a first outlet hole formed at one front side to communicate with the hot water inflow space. According to claim 2, Between the lower side of the second support member and the inside of the first outlet hole, a second outlet hole is formed at the end to form a blocking member for separating the flow path, one side of the lower case is connected to the water filter, respectively The water supply switching device of the purified water washing machine having a third inlet hole and an outlet hole. The water supply switching device of claim 2, wherein a front surface of the lower case is provided with a spray member having a plurality of injection holes for spraying water supplied through the water supply switching means and a detergent container for storing detergent. According to claim 2, wherein the front and outer peripheral surface of the purified water and the cold water and hot water inflow space is formed in the rear of the lower case respectively protruding to form a welding rib so that the purified water, cold water and hot water inflow space can be mutually separated from the lower case The water supply switching device of the water purifier was combined by vibration welding so that the upper case is watertight and adhesive strength on the top. The water supply switch of claim 2, wherein a sealing rubber is inserted into the purified water, cold water and hot water valves in the first, second and third water supply ribs to prevent leakage.