KR20130034750A - Feed water valve assembly and washing machine having the same - Google Patents

Abstract

PURPOSE: A water supply valve assembly and a washing machine having thereof are provided to fabricate a water supply assembly with an improved structure capable of preventing a water supply valve from being separated from a bracket even if excessive fastening force is applied to the water supply valve while connecting a water supply hose to the water supply valve. CONSTITUTION: A water supply valve assembly(100) comprises a water supply valve(200) to control the amount of water; and a water supply valve bracket(300) to fix the water supply valve to the rear surface frame of a cabinet. The water supply valve comprises a valve body(210); a flange part(220) disposed at a side of the valve body; a water supply port(230) extended from the flange part to the outer side of the cabinet; and a water discharge port(250) extended from the other side of the valve body to a direction of an inner side of the cabinet. The valve body is provided, inside thereof, with a fluid path to guide the water introduced through the water supply port to the water discharge port. The fluid path open or is closed selectively by a solenoid part(260) coupled to the upper portion of the valve body. The flange part to fasten the water supply valve bracket to the water supply valve is formed in an approximately square shape and disposed at a side of the valve body. The flange part comprises a first flange connected to the water supply port; a second flange disposed while being spaced apart from the first flange; and a connection part disposed between the first flange and the second flange to connect thereof with each other. The water supply bracket comprises a recess part formed at the front surface thereof to be coupled to the flange part; at least one support part provided at a side or both sides of the recess part in order to support the lateral surface of the flange part; and a plurality of fastening holes to have the water supply valve bracket to be coupled at the inner side of the rear surface frame.

Description

FEED WATER VALVE ASSEMBLY AND WASHING MACHINE HAVING THE SAME

The present invention relates to a washing machine, and more particularly, to a water supply valve assembly for controlling water supplied to a detergent supply device of a washing machine and a washing machine including the same.

A washing machine is a machine for washing clothes using electric power, and generally includes a cabinet forming an exterior of a washing machine, a tub for storing wash water in the cabinet, a drum rotatably installed in the tub, and a drum rotating. A motor for driving is provided.

When the drum is rotated by the motor while the laundry and the detergent water are put into the drum, the laundry is rubbed with the drum and the wash water to remove the dirt from the laundry.

Washing water used in the washing process is supplied through a water supply valve coupled to the washing machine cabinet, and the washing water introduced through the water supply valve is moved to the detergent supply unit and mixed with the detergent in the detergent supply unit and supplied into the rotating tank.

The water supply valve is generally fastened to one side of the washing machine cabinet by being fastened to a fastener such as a bracket. In such a structure, an excessive tightening force is applied to the water supply valve while fastening the water supply hose connecting the external water supply source and the water supply valve to the water supply valve. When applied, there is a possibility that the water supply valve fastened to the bracket may come off from the bracket. In addition, the water supply valve may be separated from the bracket to cause interference with other components inside the washing machine cabinet, thereby generating noise, and there is a fear that the wire connected to the water supply valve is disconnected to drive the water supply valve.

One aspect of the present invention provides a water supply valve assembly and a washing machine including the same, wherein the water supply valve has an improved structure so that the water supply valve is not separated from the bracket even when excessive tightening force is applied to the water supply valve.

According to an aspect of the present invention, a washing machine includes a cabinet; a drum disposed rotatably in the cabinet; a detergent supply device supplying detergent to the drum; and an amount of water supplied to the detergent supply device. A water supply valve for regulating the water supply, comprising: a valve body, a flange portion provided at one side of the valve body, a water supply port extending from the flange portion in an outward direction of the cabinet, and an inward direction of the cabinet from the other side of the valve body. A water supply valve having an extended drain, a recess formed on a front surface thereof, and coupled to the flange portion, and provided at one side or both sides of the recess portion to support a side of the flange portion coupled to the recess portion. It characterized in that it comprises a; water supply valve bracket (Bracket) having one support.

The flange portion may include a first flange received and supported by the recess portion, a second flange spaced apart from the first flange, and a connection portion connecting the first flange and the second flange. .

The at least one support may support the side of the first flange.

The recess portion may be bent from a front surface of the feed valve bracket to form a first support rib forming an inner side of the recess portion, and a second support rib connected to the first support rib to form a front surface of the recess portion. It may include a support rib.

The second support rib may be coupled between the first flange and the second flange.

The second support rib may include an accommodation groove in which one side thereof is opened to accommodate the connection part in the process of being coupled between the first flange and the second flange.

The support part may be formed by cutting a portion adjacent to the first support rib and the second support rib.

The support part may be provided in a protrusion shape extending toward the inner side of the recess, and one end of the support part may be provided with a support surface for supporting the side surface of the first flange.

The second support rib may include at least one separation preventing protrusion which protrudes from the front surface of the recess and supports the rear surface of the first flange.

The cabinet may include a front frame and a rear frame, and a side frame connecting the front frame and the rear frame, and the water supply valve may be coupled to the rear frame.

The rear frame may include a first through-hole penetrating the rear frame at a position corresponding to the position where the water supply port is disposed so that the water supply port may protrude out of the rear frame.

The water supply valve bracket may be in contact with the inner surface of the rear frame through the front surface thereof.

The water supply valve bracket is formed through the front surface and includes a plurality of fastening holes positioned outside the recess, and the rear frame penetrates the rear frame at a position corresponding to the plurality of fastening holes. It may include a second through hole.

In addition, the water supply valve assembly according to the spirit of the present invention is a water supply valve which is coupled to the washing machine cabinet to adjust the amount of water supplied to the detergent supply device in the cabinet, the valve body, the valve body is provided on one side of the valve body and spaced apart from each other A water supply valve having a first flange portion and a second flange portion to be provided, a water supply port extending from the first flange portion in an outward direction of the cabinet, and a drain port extending from the other side of the valve body in an inner direction of the cabinet; and And a water supply valve bracket coupled to the water supply valve and fixed to the cabinet, the recess being coupled between the first flange portion and the second flange portion to receive the first flange portion, and the recess. At least one support protrusion provided on one side or both sides of a recess portion to support a side of the first flange portion coupled to the recess portion. Characterized in that it comprises;, the water supply valve bracket (Bracket) the water supply valve bracket (Bracket) having a plurality of fastening holes are provided on the outside of the recessed portion to be coupled to the rear of the cabinet.

The water supply valve may include a connection portion connecting the first flange and the second flange, and the recess portion may accommodate the connection portion in the process of being coupled between the first flange and the second flange. One side may include an opening receiving opening.

The recess may include at least one release preventing protrusion protruding from the front surface of the water supply valve to support the rear surface of the first flange to prevent the water supply valve from escaping from the water supply valve bracket.

The support protrusion may be formed by cutting a portion of the recess portion.

One end of the support protrusion may be provided with a support surface for supporting the side of the first flange.

A connection flow path for connecting the water supply port and the drain port is formed inside the valve body, and a solenoid portion is coupled to an upper portion of the valve body to selectively open and close the flow path.

According to the embodiments of the present invention, since the bracket fastened to the water supply valve firmly supports the water supply valve, a phenomenon in which the water supply valve is separated from the bracket is prevented even if an excessive tightening force is applied to the water supply valve in the process of connecting the water supply hose. .

1 is a sectional view of a washing machine according to an embodiment of the present invention;
2 is a perspective view showing an extract of some of the configuration of FIG.
Figure 3 is a perspective view of the combination of the water supply valve assembly and the rear frame according to an embodiment of the present invention.
Figure 4 is a perspective view showing an extract of the water supply valve in FIG.
Figure 5 is a side view of the water supply valve shown in FIG.
6 is a perspective view showing an extract of the water supply valve bracket in FIG.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

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

As shown in FIG. 1 and FIG. 2, the washing machine 1 is rotatable in a cabinet 10 forming an exterior, a tub 20 disposed inside the cabinet 10, and a tub 20. The drum 30 arrange | positioned and the motor 40 which drive the drum 30 are provided.

Cabinet 10 is composed of a front frame (10a), a rear frame (10b), and a side frame (10c) connecting the front frame (10a) and the rear frame (10b), the front frame (10a) is a drum ( Inlet 11 is formed so that the laundry can be put into the interior of 30. The inlet 11 is opened and closed by a door 12 installed in the front frame 10a of the cabinet 10.

A water supply hose 50 for supplying washing water to the tub 20 is installed at the top of the tub 20. One side of the water supply hose 50 is connected to the water supply valve assembly 100, and the other side of the water supply hose 50 is connected to the detergent supply device 52.

Detergent supply device 52 is connected to the tub 20 through a connecting pipe (54). The water supplied through the water supply hose 50 is supplied into the tub 20 together with the detergent via the detergent supply device 52.

Tub 20 is supported by damper 78. The damper 78 connects the inner bottom of the cabinet 10 and the outer surface of the tub 20.

The drum 30 includes a cylindrical portion 31, a front plate 32 disposed in front of the cylindrical portion 31, and a rear plate 33 disposed behind the cylindrical portion 31. An opening 32a for entering and exiting laundry is formed in the front plate 32, and a drive shaft 42 for transmitting power of the motor 40 is connected to the rear plate 33.

A plurality of through holes 34 are formed around the drum 30 for distribution of the wash water, and a plurality of lifters are formed on the inner circumferential surface of the drum 30 so that the laundry can be raised and dropped when the drum 30 rotates. 35 is installed.

The drive shaft 42 is disposed between the drum 30 and the motor 40. One end of the drive shaft 42 is connected to the rear plate 33 of the drum 30, and the other end of the drive shaft 42 extends to the outside of the rear wall of the tub 20. When the motor 40 drives the drive shaft 42, the drum 30 connected to the drive shaft 42 rotates about the drive shaft 42.

A bearing housing 70 is installed on the rear wall of the tub 20 to rotatably support the drive shaft 42. The bearing housing 70 may be made of an aluminum alloy, and may be inserted into the rear wall of the tub 20 when the tub 20 is injection molded. Bearings 72 are installed between the bearing housing 70 and the drive shaft 42 so that the drive shaft 42 can rotate smoothly.

A drain pump 80 for discharging the water inside the tub 20 to the outside of the cabinet 10 and a drain pump 80 for allowing the water in the tub 20 to flow into the drain pump 80, A connecting hose 82 for connecting the tub 20 and the drain pump 80 and a drain hose 84 for guiding the water pumped by the drain pump 80 to the outside of the cabinet 10 are provided.

In addition, the tub 20 is equipped with a drying apparatus 90 for drying the air in the tub 20 and then supplying it again into the tub 20.

3 is a perspective view of the water supply valve assembly and the rear frame combined according to an embodiment of the present invention, Figure 4 is a perspective view showing the water supply valve in Figure 3, Figure 5 is a side view of the water supply valve shown in FIG. 6 is a perspective view illustrating the water supply valve bracket of FIG. 3.

3 to 6, the water supply valve assembly 100 according to an embodiment of the present invention is a water supply valve 200 for adjusting the amount of water supplied to the detergent supply device 52, and the water supply valve ( The water supply valve bracket 300 is fixed to the rear frame 10b.

The water supply valve 200 includes a valve body 210, a flange part 220 provided at one side of the valve body 210, and a water supply port 230 extending from the flange part 220 in an outward direction of the cabinet 10. ) And a drain port 250 extending in the inward direction of the cabinet 10 from the other side of the valve body 210.

A flow path (not shown) for guiding water introduced from the water supply port 230 to the drain port 250 is provided in the valve body 210, and the flow path provided in the valve body 210 is the valve body 210. It is selectively opened and closed by the solenoid portion 260 coupled to the upper portion of the.

The solenoid part 260 may include a magnetic core (not shown) that forms a magnetic field when a current is supplied, and a shaft that opens and closes a flow path provided in the valve body 210 according to a magnetic field formed inside the magnetic core. And a power supply terminal 262 for supplying current to the magnetic core.

Flange 220 for fastening the water supply valve bracket 300 to the water supply valve 200 is provided on one side of the valve body 210 in a substantially rectangular shape, the first flange 222 connected to the water supply port 230 ), A second flange 224 spaced apart from the first flange 222 at a predetermined interval, and the first flange 222 and the second flange between the first flange 222 and the second flange 224. And a connection 226 for connecting 224.

The water inlet 230 extends from the first flange 222 in the outward direction of the rear frame 10b. The water supply port 230 has a rear frame (10) through the first through hole 17 penetrating the rear frame (10b) in a state that the water supply valve 200 is coupled to the rear frame (10b) through the water supply valve bracket (300). Exposed outside of 10b).

In addition, a male screw portion 232 is provided on an outer circumferential surface of the water supply port 230. The user can easily fasten a hose or the like to the water supply port 230 exposed to the outside of the rear frame 10b through the first through hole 11 using the male screw part 232.

The drain port 250 is located inside the cabinet 10 in a state in which the water supply valve 200 is coupled to the rear frame 10b through the water supply valve bracket 300, and a detergent supply device through the water supply hose 50 ( 52).

The water supply valve bracket 300 is formed on a front surface thereof, and includes a recess portion 310 coupled to the flange portion 220 and a flange portion provided on one side or both sides of the recess portion 310 and coupled to the recess portion 310. At least one support 320 for supporting the side of the 220 and a plurality of fastening holes 330 for coupling the water supply valve bracket (Bracket) to the inside of the rear frame (10b) is configured.

The recess 310 is provided in a quadrangular shape in which the front surface of the water supply valve bracket 300 is recessed, and is bent from the front surface of the water supply valve bracket 300 to form an inner surface of the recess 310. A support rib 312 and a second support rib 314 connected to the first support rib 312 to form a front surface of the recess 310. The recess 310 may be formed by pressing the water supply valve bracket 300.

The first flange 222 of the water supply valve 200 is accommodated in the recess 310 when the water supply valve 200 and the water supply valve bracket 300 are fastened to each other, and the first flange 222 is recessed. In the state accommodated in the part 310, the side surface of the first flange 222 is supported by the first support rib 312, and the rear surface of the first flange 222 is supported by the second support rib 314.

The second support rib 314 is fitted between the first flange 222 and the second flange 224, the connecting portion for connecting the first flange 222 and the second flange 224 in the process of fitting It includes a receiving groove 316 one side of which is open to accommodate the 226.

In addition, at least one separation preventing protrusion 318 protruding from the front surface of the second support rib 314 to support the rear surface of the first flange 222 in a state where the first flange 222 is accommodated in the recess 310. ) Is provided. The release prevention protrusion 318 prevents the water supply valve 200 from being separated from the water supply valve bracket 300 while the water supply valve 200 and the water supply valve bracket 300 are fastened to each other.

The support 320 is formed by cutting a portion of the first support rib 312 and the second support rib 314 adjacent thereto. The support part 320 is provided in a protrusion shape extending toward the inner side of the recess part 310, and at one end of the support part 320, the first flange 222 is accommodated in the recess part 310. A support surface 322 for supporting the side of 222 is provided.

The support part 320 supports the side of the first flange 222 to prevent the water supply valve 200 from its original fixed position even when excessive tightening torque is applied in the process of fastening the hose or the like to the water supply port 230. prevent. In detail, even if excessive tightening torque is applied to the water inlet 230 in the process of fastening a hose having the male thread part 232 provided on the outer circumferential surface of the water supply port 230 and the female thread part corresponding to the male thread part 232 to the inner circumferential surface thereof. Since one side or both sides of the first flange 222 formed in the water supply valve 200 is firmly supported by the support part 320, the phenomenon in which the water supply valve 200 is separated from the water supply valve bracket 300 and rotates is prevented. .

A plurality of fastening holes 330 for coupling the water supply valve bracket 300 coupled to the water supply valve 200 to the inside of the rear frame 10b of the cabinet 10 are disposed at both outer sides of the recess 310. It is formed through the front of the water supply valve bracket (300).

Meanwhile, a second through hole 18 penetrating the rear frame 10b is formed at a position corresponding to the plurality of fastening holes 330 in the rear frame 10b of the cabinet 10.

Hereinafter, a process of fixing the water supply valve 200 to the rear frame 10b of the cabinet 10 by using the water supply valve bracket 300 will be described.

First, in a state where the water supply valve 200 and the water supply valve bracket 300 are fastened to each other, the water supply port 230 passes through the first through hole 17 of the rear frame 10b to protrude out of the cabinet 10. Insert the water supply port 230.

Next, at the outside of the cabinet 10, the fixing bolt 270 simultaneously penetrates the plurality of fastening holes 330 formed in the water supply valve bracket 300 and the second through holes 18 formed in the rear frame 10b at the same time. After being protruded to the inside of the (10), the fixing bolt 270 and the nut 280 protruding into the cabinet 10 is coupled.

Finally, a fastening force of a predetermined torque or more is applied to the nut 280 so that the water supply valve 200 is completely fixed to the rear frame 10b.

1: Washing machine 10: Cabinet
10b: rear frame 20: tub
30: drum 40: motor
100: water supply valve assembly 200: water supply valve
210: valve body 220: flange
230: water supply port 250: drain
260: solenoid portion 300: water supply valve bracket
310: recessed part 320: support part

Claims (19)

Cabinet; and,
A drum rotatably disposed inside the cabinet;
Detergent supply device for supplying a detergent into the drum; And,
A water supply valve for controlling an amount of water supplied to the detergent supply device, the valve body, a flange portion provided on one side of the valve body, a water supply port extending from the flange portion in the outward direction of the cabinet, the valve body A water supply valve having a drainage port extending from the other side of the cabinet in an inward direction of the cabinet;
A water supply bracket bracket having a recess formed on the front surface thereof and coupled to the flange portion, and at least one support portion provided on one side or both sides of the recess portion to support a side of the flange portion coupled to the recess portion. );of
Washing machine comprising a. The method of claim 1,
The flange portion
A first flange received and supported by the recess;
A second flange spaced apart from the first flange;
Washing machine comprising a connecting portion for connecting between the first flange and the second flange. The method of claim 2,
The at least one support unit, characterized in that for supporting the side of the first flange. The method of claim 2,
Wherein the recess portion comprises:
A first support rib that is bent from a front surface of the water supply valve bracket to form an inner surface of the recess portion;
And a second support rib connected to the first support rib to form a front surface of the recess part. 5. The method of claim 4,
And the second support rib is coupled between the first flange and the second flange. The method of claim 5,
The second support rib is a washing machine, characterized in that it comprises a receiving groove which is open on one side so as to accommodate the connecting portion in the process of being coupled between the first flange and the second flange. 5. The method of claim 4,
The support unit is a washing machine, characterized in that formed by cutting a portion adjacent to the first support rib and the second support rib. The method of claim 7, wherein
The support portion is provided in a protrusion shape extending toward the inner side of the recess,
Washing machine, characterized in that the support surface for supporting the side of the first flange is provided at one end of the support. 5. The method of claim 4,
And a second support rib protruding from the front surface of the recess and including at least one separation preventing protrusion supporting the rear surface of the first flange. The method of claim 1,
The cabinet includes a front frame and a rear frame, and a side frame connecting the front frame and the rear frame,
The water supply valve washing machine, characterized in that coupled to the rear frame. The method of claim 10,
And the rear frame includes a first through-hole penetrating the rear frame at a position corresponding to the position at which the water supply port is disposed so that the water supply port may protrude out of the rear frame. The method of claim 11,
The water supply valve bracket (Bracket) is in contact with the inner surface of the rear frame through its front face. The method of claim 12,
The water supply valve bracket (Bracket) is formed through the front surface and includes a plurality of fastening holes located in the outer portion of the recess,
And the rear frame comprises a second through hole penetrating the rear frame at a position corresponding to the plurality of fastening holes. A water supply valve coupled to a washing machine cabinet to control an amount of water supplied to a detergent supply device in the cabinet, the valve body and a first flange portion and a second flange portion disposed on one side of the valve body and spaced apart from each other; A water supply valve having a water supply port extending from the first flange portion in an outward direction of the cabinet, and a drain port extending from the other side of the valve body in an inward direction of the cabinet;
A water supply valve bracket coupled to the water supply valve and fixed to the cabinet, the recess being coupled between the first flange portion and the second flange portion to receive the first flange portion, and the recess portion; At least one support protrusion provided on one side or both sides of the portion to support the side surface of the first flange portion coupled to the recess portion, and the outer side of the recess portion so that the water supply valve bracket can be coupled to the rear surface of the cabinet. Water supply valve bracket having a plurality of fastening holes provided in the (Bracket);
Water supply valve assembly comprising a. 15. The method of claim 14,
The water supply valve,
It includes a connecting portion for connecting between the first flange and the second flange,
The recessed part of the water supply valve assembly, characterized in that it comprises a receiving groove one side of which is open to accommodate the connecting portion in the process of being coupled between the first flange and the second flange. 16. The method of claim 15,
The recess includes at least one release preventing protrusion protruding from a front surface of the water supply valve to support a rear surface of the first flange to prevent the water supply valve from escaping from the water supply valve bracket. Water supply valve assembly. 17. The method of claim 16,
The support protrusion is a water supply valve assembly, characterized in that formed by cutting a portion of the recess. 18. The method of claim 17,
One end of the support protrusion is provided with a support surface for supporting the side of the first flange water supply valve assembly. 19. The method of claim 18,
A connection flow path is formed in the valve body to connect the water supply port and the drain port.
A water supply valve assembly, characterized in that the solenoid portion is coupled to the upper portion of the valve body to selectively open and close the flow path.

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