KR100219431B1 - The moisture permeation structure of a water valve - Google Patents

Abstract

The present invention relates to a water ingress preventing structure of a water supply valve for a washing machine, and prevents water flowing along a gap of a through hole through which one end of the water supply port penetrates to the outside of the water supply port integrally formed in the water supply valve housing. Providing a moisture penetration prevention member to prevent water shortage and malfunction of water supply electrical components fastened to the cover top by blocking the water penetrating into the water supply electrical equipment along the gap of the through hole when dismantling the water supply connection member. There is an effect that can improve the reliability of.

Description

Water penetration prevention structure of water supply valve for washing machine

The present invention relates to a water ingress prevention structure of a water supply valve for a washing machine, and more particularly, to cut off water penetrated into the water supply valve when disassembling the water supply connection member connecting the water supply port and the water supply hose to short-circuit the water supply and electric leakage. It relates to a water ingress prevention structure of the water supply valve for a washing machine to prevent it.

In general, the water supply valve applied to the washing machine to receive a signal from the operation unit to supply a certain amount of washing water in the washing tank has a cover top cover 12 formed on the washing machine main body 10 as shown in FIGS. 1 and 2. The cover top 14 fixed to the rear side is coupled, and the cover top cover 12 has a through hole 12a spaced at regular intervals, and the through hole 12a has cold water and A water supply port 16a for selectively supplying hot water is penetrated.

The water supply port is integrally formed in the water supply valve housing 16 so as to be opened and closed in response to a signal from an operation unit (not shown) and to discharge the washing water supplied through the water supply port 16a into the washing tank. 16 is fastened to the top of the detergent container 18 containing the detergent in the form of a powder.

In addition, in the water inlet 16a, the filtering net 20 is coupled and detachably fitted to block foreign substances from being introduced into the washing tank when the washing machine is used or not used, and the water supply hose 22 is disposed above the filtering net 20. A rubber ring 24 is interposed to prevent leakage of water supplied from the water and to maintain watertightness. And, the water supply hose 22 is connected by a water supply connecting member 26 which is screwed with the water supply port (16a).

The water supply valve for the washing machine configured as described above covers a part of the water supply port 16a integrally formed thereafter after fastening the water supply valve housing 16 to the rear of the cover top 14 coupled to the upper part of the washing machine body 10. The cover top cover 12 is fixed to the cover top 14 while penetrating through the through hole 12a of 12).

Thereafter, the other end of the water supply hose 22 having one end connected to the water tap (not shown) is connected to the front of the cover top 14 in a state in which the water supply port 16a is screwed with the water supply connection member 26. When the operation unit is operated, the washing water supplied along the water supply hose 22 is discharged into the washing tank through the water supply valve opened while flowing along the water supply port 16a. At this time, one end of the water supply hose 22 is in close contact with the rubber ring 24 in accordance with the tightening force of the water supply connection member 26, thereby preventing the leakage of the wash water supplied through the water supply hose (22).

However, the rubber ring interposed in the water supply port and the other end of the water supply hose was in close contact as described above to prevent the leakage of water when supplying the washing water, but to change the installation place of the washing machine, When disassembling, the washing water remaining in the water inlet is often overflowed. As a result, the overflowed washing water penetrates into the water supply valve and its water electric equipment along the gap of the through hole through which a part of the water inlet is penetrated. In addition to the short circuit of the water supply electric equipment, a malfunction occurs in the water supply valve due to the leakage current, thereby lowering the consumer's confidence in the product.

The present invention is to solve the above problems, an object of the present invention is to disassemble or connect the water supply when the water supply is fastened to the cover top by blocking the water penetrating into the water supply electric field along the gap of the through hole It is to provide a water ingress prevention structure of the water supply valve for the washing machine that can prevent short circuit and malfunction, and in particular, improve the consumer's reliability of the product.

1 is a perspective view illustrating a water supply port installed with a water supply valve of a general washing machine and a water supply hose connected thereto;

2 is a cross-sectional view showing a state in which the water supply valve and the water supply hose of FIG. 1 are connected by a water supply connection member;

3 is an exploded perspective view illustrating a water ingress prevention structure of a water supply valve for a washing machine according to the present invention;

4 is a cross-sectional view illustrating a structure of preventing water ingress of the water supply valve according to the present invention.

Explanation of symbols on the main parts of the drawings

16: water supply valve housing 16a: water supply port

40: first packing portion 42: the edge portion

44: second packing portion 46: support rib

The present invention for achieving the above object, a part of the through-hole formed in the cover top cover through the water supply port is screwed to the water supply connection member, and the water supply port is integrally molded to supply the wash water into the body A water supply valve for a washing machine comprising a water supply valve housing, wherein the water supply opening has a water penetration preventing member for preventing water from flowing along the gap of the through hole when the water supply connection member is disassembled. Is achieved by being prepared.

Moisture permeation prevention member according to a preferred embodiment of the present invention for sealing the first packing portion to be inserted and detachably coupled to the outside of the water supply port, protruding from the upper surface of the first packing portion and in close contact with the bottom surface of the cover top cover It is achieved by being provided with an edge.

According to a preferred embodiment of the present invention, a water supply port is fitted with a second packing part to be in close contact with the upper surface of the water supply valve housing, and a support rib having a predetermined elasticity protrudes from the upper surface of the second packing part to support the first packing part. Is achieved.

Hereinafter, a preferred embodiment of the water ingress prevention structure of the water supply valve for a washing machine according to the present invention will be described in detail with reference to the accompanying drawings.

3 and 4 is a view showing a water ingress prevention structure of the water supply valve according to the present invention, this embodiment describes the washing machine as described above by way of example, and the same reference numerals for the same parts described above. .

The cover top cover 12 having the through hole 12a is fixed to the cover top 14 coupled to the upper part of the washing machine main body 10, and the wash water of the washing tank of the main body 10 is fixed to the through hole 12a. A portion of the water supply port 16a for supplying water penetrates through the water supply port 16a, and a water supply hose 22 is screwed to the water supply connection member 26 for connecting the water supply port 16a.

The water inlet 16a is integrally formed in the water supply valve housing 16 which is installed on the inner side of the rear side of the cover top 14 and is fastened to the upper portion of the detergent container 18 for containing detergent, and inside the washing tank in the water inlet 16a. The strainer 20 is fitted to block the introduction of foreign matter, the upper portion of the rubber ring 24 is interposed to prevent leakage of the wash water supplied from the water supply hose (22).

On the other hand, the water supply port (16a) outside the bottom of the cover top cover 12 and the water supply valve to prevent water from penetrating into the cover top cover 12 along the through hole (12a) when the water supply connection member 26 is disassembled The moisture permeation prevention member is fitted to be firmly in contact with the upper surface of the housing 16, and the moisture permeation prevention member is inserted into the first packing part 40 and the first packing part 40 to be detachably and coupled to the outside of the water supply port 16a. 1 is provided as a sealing rim 42 for protruding on the upper surface of the packing portion 40 is in close contact with the bottom of the cover top cover 12.

In addition, the second packing part 44 is in close contact with the upper surface of the water supply valve housing 16, and the second packing part 44 is in contact with the bottom of the first packing part 40, and is fixed when the cover top cover 12 is fixed. A plurality of support ribs 46 having a predetermined elasticity protrude integrally to support the first packing part 40 according to the pressing force to prevent the first packing part 40 from being pushed downward.

Referring to the operation of the water ingress prevention structure of the water supply valve according to the present invention configured as described above in detail as follows.

The water supply valve housing 16 is fastened to the upper part of the detergent container 18 fastened to the inner surface of the cover top 14 coupled to the upper part of the washing machine body 10, and then molded integrally therewith to wash the water inside the main body 10. Water supply connecting member for connecting the water supply port 16a and the water supply hose 22 in a state in which the second packing portion 44 and the first packing portion 40 are sequentially inserted outside the water supply port 16a for discharging the water. A part of the water supply port 16a is penetrated by the through hole 12a of the cover top cover 12 so that the 26 is screwed together.

After that, the cover top cover 12 is fixed to the cover top 14, and then the water supply port 16a and the water supply hose 22 which are partially passed through the through hole 12a are connected to the water supply connecting member 26. One end of the rubber ring 24 and the water supply hose 22 interposed in the water supply port 16a may be in close contact to prevent leakage when water is being supplied.

At this time, when the cover top cover 12 is fixed, the sealing edge 42 protruding from the upper surface of the first packing part 40 is tightly adhered to the bottom of the first packing part 40, so that when the water supply connection member 26 is disassembled, a through hole ( Water can be prevented from entering the water supply valve along the gap of 12a). Then, the support rib 46 of the second packing portion 44 in close contact with the water supply valve housing 16 is bent in contact with the bottom of the first packing portion 40, and thus the support rib 46 is initially started. The first packing part 40 can be prevented from being pushed downward with respect to the water supply port 16a by the elastic force to return to the state, so that the gap generated in the cover top cover 12 and the sealing edge part 42 ( gaps can be eliminated.

As described above, according to the water-proofing prevention structure of the water supply valve for a washing machine according to the present invention, when dismantling the water supply connection member when changing the installation location of the washing machine, the cover is blocked by blocking water penetrating into the water supply electric equipment along the gap of the through hole. It is effective in preventing short circuits and malfunctions of the water supply electric components fastened to the saw, and in particular, improving consumer reliability of the product.

The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

Claims (3)

A water supply valve for a washing machine comprising a water supply port through which a portion is penetrated by a through hole formed in a cover top cover and screwed with a water supply connection member, and a water supply valve housing integrally formed to supply washing water into the main body. The water supply port for a washing machine, characterized in that the water penetration prevention member is provided to prevent the water flowing along the gap of the through hole when the water supply connection member is disassembled into the water supply valve. Water ingress prevention structure of water supply valve. The sealing edge of claim 1, wherein the moisture penetration preventing member is formed to be detachably and coupled to the outside of the water supply port, and a sealing edge protruding from an upper surface of the first packing portion to be in close contact with a bottom surface of the cover top cover. Water ingress prevention structure of the water supply valve for a washing machine, characterized in that provided with a portion. The water supply port of claim 1, wherein the second packing portion is fitted to be in close contact with the upper surface of the water supply valve housing, the second packing portion is characterized in that the support rib having a predetermined elasticity to support the first packing portion. Water ingress prevention structure of water supply valve for washing machine.

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