KR100360433B1 - The water level sensing device for a tilting drum type washer - Google Patents

Abstract

The present invention relates to a water level sensor of a washing machine in which the washing tank is inclined by a predetermined angle, and in particular, the water level of the inclined washing machine in which an air hose and a water level sensor are connected to a drain passage connected to the rear of the washing tank at the lowest front of the washing tank. To a sensing device.

The present invention is an inclined washing machine including a case forming an outer portion and a washing tank installed inclined by a predetermined angle with respect to the vertical direction in which gravity acts. A drain passage is formed so as to become deeper toward the rear toward the rear, and an air chamber is formed on the outer surface to communicate with the drain passage; An air hose and a water level sensor are connected to the upper portion of the washing tank from the air chamber, so that the water level in the washing tank can be measured by the amount of air pressure change according to the inflow of the washing water.

Description

The water level sensing device for a tilting drum type washer}

The present invention relates to a water level sensor of a washing machine in which the washing tank is inclined by a predetermined angle, and in particular, the water level of the inclined washing machine in which an air hose and a water level sensor are connected to a drain passage connected to the rear of the washing tank at the lowest front of the washing tank. To a sensing device.

1 is an internal configuration of a tilted washing machine according to the prior art.

Since the inclined washing machine is positioned at an angle with respect to the direction in which gravity is applied to the washing tub 10, the washing tank 10 may generate complex water flow in the inner tub 15 to improve washing power of the laundry, and the front of the case 1 may be tilted. The washing machine is configured to be as low as jin so that the user can easily insert and remove the laundry.

The inclined washing machine is composed of a case (1) and an outer tub (11) and an inner tub (15) forming an outline, the slant washing machine is inclined by a predetermined angle with respect to the vertical direction in the casing (1) to clean laundry therein. It consists of the washing tank 10 which consists of a several hook member 20 which supports the said washing tank 10 in the inclined state in the case 1. As shown in FIG.

The case (1) has a door (5) is installed so that the laundry can be put in or out of the upper portion, and the front and rear protrusions (2) (3) to secure the space according to the inclined outer shell (11) Each is formed.

The outer tub 11 of the washing tub 10 is a tub that is supported in the case 1 through the hook member 20 to store the washing water therein, and the inner tub 15 is embedded in the tub 11 to wash the laundry. A plurality of holes are formed to allow washing water to pass through the tub to be cleaned.

In addition, a lower part of the outer tank 11 is provided with a drive motor 25 for rotationally driving the inner tank 15 or the pulsator 16, and drainage so that the washing water and the rinsing water can be discharged out of the case 1. The mechanism 30 is installed.

In addition, the front lower end of the outer tank 11 is provided with a water level detector (40) for detecting the height of the water supplied into the washing tank (10).

The water level detecting mechanism 40 is introduced into the chamber 41 in communication with the outer tank 11 while the washing water flows into the air hose 43 in proportion to the amount of washing in the washing tank 10. In this case, since the frequency is changed according to the amount of change in the air pressure in the air hose 43 in the water level sensor 45, the water level in the washing tank 10 can be measured.

However, the water level detection device of the prior art as described above is because the air hose 43 is connected to the lowest front portion of the washing tank 10, the water level sensor 45 is installed on the front upper side of the case (1) The height of the front portion of the case (1) is a high level of the water level sensor 45 is protruded, there is a problem that can not take advantage of the inclined washing machine to facilitate the withdrawal of the laundry.

In addition, the water level detection device of the prior art is installed in the front part of the washing tank 10, when the cover for repair and inspection is installed on the back of the case (1), as well as the assembly and repair of parts and repair work There is also a problem that is quite difficult.

The present invention has been made in order to solve the above problems, a drain passage is formed to gradually deeper toward the rear from the lowest portion on the bottom surface of the inclined washing tank, the water level sensing mechanism is connected to the upper side of the washing tank from the drain passage It is to provide a water level detection device of an inclined washing machine to be able to detect the low water level below a certain amount and to simplify the installation structure of the water level detection mechanism.

1 is an internal configuration diagram showing a tilted washing machine of the prior art,

2 is an internal configuration diagram showing a tilted washing machine according to the present invention;

3 is a plan view of a tilted washing machine according to the present invention;

4 is a cutaway perspective view taken along a line A-A in FIG. 2.

<Explanation of symbols for the main parts of the drawings>

50: case 55: back cover

57: drive motor 59: hook member

60: washing tank 61: outer tank

62: drain passage 62a: drain

62b: inflow hole 65: inner tank

70: drain hose 75: drain valve

80: water level detection mechanism 81: air chamber

83: air hose 85: water level sensor

Water level detection device of the inclined washing machine according to the present invention for realizing the above object, the inclined washing tank including a case and the washing tub installed to be inclined by a predetermined angle with respect to the vertical direction in which gravity acts in the case In the washing machine, the washing tank is formed with a drainage passage so as to start from the lowest portion of the bottom surface and become deeper toward the rear, and an outer side of the washing tub communicates with the drainage passage to form an air chamber into which the wash water flows; An air hose and a water level sensor are connected to the upper portion of the washing tank from the air chamber, so that the water level in the washing tank can be measured by the amount of air pressure change according to the inflow of the washing water.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 2 is an internal configuration of the water level detection device of the inclined washing machine according to the present invention, Figure 3 is a flat configuration, Figure 4 is a perspective view of the main portion viewed from the line A-A of FIG.

Referring to FIG. 2, the inclined washing machine according to the present invention is positioned to be inclined by a predetermined angle (θ) with respect to the vertical direction in which gravity acts in the case 50, so that the washing tub 61 and the inner tub ( Washing tub 60 made of 65, a plurality of hook members 59 to be positioned inclined in the case 50, and the lower side of the washing tub 60 is installed It consists of the drive motor 57 which drives the inner tub 65 to rotate.

The case 50 is formed in a hexahedron shape so that the door 52 is installed on the upper part, and the rear part of the case 50 can be repaired or inspected while preventing interference with the rear part of the washing tub 60. The back cover 55 having a convex shape to the rear is installed.

The outer tub 61 is formed in a cylindrical shape and suspended in the case 50 in an inclined state by the hook member 59 to store wash water, and the inner tub 65 is rotatable in the outer tub 61. It is installed to be configured to wash the laundry.

As shown in FIG. 5, a drain passage 62 is formed on the bottom of the outer tub 61, and the drain passage 62 is formed at the lowest front of the inclined bottom surface. It is formed so as to gradually become deeper toward the rear, it is connected to the side of the outer tub 61 in a shape recessed by a predetermined rotation angle in the circumferential direction, such as the rotation direction of the inner tub 65.

A drainage port 62a through which the wash water is discharged is formed at an end of the drainage flow path 62, and a drainage hose 70 is installed at the drainage opening 62a to be connected to the outside of the case 50, and on the drainage hose 70. Drain valve 75 that is a drainage operation means for discharging the wash water to the outside is installed.

In particular, the water level detection mechanism 80 that can detect the water level in the washing tub 60 is connected to the drain passage 62, the outer surface of the drain passage 62, the inner tank 61 and the inlet hole ( An air chamber 81 is formed to communicate with the washing water through 62b), and an air hose 83 and a water level sensor 85 are connected to an upper portion of the washing tub 60 from the air chamber 81. It is configured to measure the water level in the washing tank 60 by the amount of change in air pressure according to the inflow of the washing water.

Here, the air hose 83 and the water level sensor 85 are installed to be connected to the hook member 59 as shown in FIG. 3, and the hook member 59 may support the air hose 83. Fixing clamp 90 is installed to be able to.

In addition, the outer side of the outer tank 61, the support protrusion 93 is formed to fix the position of the air hose (83).

On the other hand, in the above embodiment of the present invention, but the air hose 83 is connected to the hook member 59 side exemplified a fixed configuration, but the air hose 83 and the water level sensor 85 is not connected to the hook member side. Instead, it may be installed to be fixed to the inner wall of the case 50 or the outer wall of the outer tank 61.

Referring to the operation of the water level detection device of the inclined washing machine according to the present invention configured as described above are as follows.

The washing machine of the present invention is formed such that the drainage flow passage 62 is gradually deepened at the lowest front portion of the outer tub 61, and when washing water flows into the washing tub 60, the washing water is gradually filled from the drainage flow passage 62. The filling water is introduced into the air chamber 81 in communication with the drainage flow path 62, and the washing water flows into the air hose 83 in proportion to the amount of filling in the washing tub 60, thereby changing the air pressure inside the hose. do.

At this time, the frequency is changed according to the amount of change in the air pressure in the air hose 83 in the water level sensor 85, it is possible to measure the water level in the washing tank (60).

After filling the washing water in the washing tank 60 as described above, when the washing or rinsing operation is completed, the drainage operation is performed, since the drain passage 62 is formed at the bottom of the outer tank 61 the lowest The wash water can be discharged without remaining water.

That is, the operation of draining the wash water and the rinsing water is performed by opening the drain valve 75. When the drain valve 75 is opened, most of the wash water stored in the outer tub 61 is drained from the drain passage 62 and the drain hole ( 62a), natural drainage through the drain hose 70.

By connecting the water level detecting mechanism 80 on the drainage passage 62 as described above, it is possible to detect the low water level, as well as to open the back cover 55 on the back of the case 50 to easily check or repair the water level. It becomes possible.

The water level detection device of the inclined washing machine according to the present invention configured and operated as described above is configured to be connected to the upper side of the washing tank from a drain passage that gradually deepens toward the rear, so that a low water level of a certain amount or less can be detected as well. The installation and inspection structure of the level sensing mechanism also provides the advantage of being easier.

Claims (3)

An inclined washing machine including a case forming an outer portion and a washing tub installed to be inclined by a predetermined angle with respect to a vertical direction in which gravity acts, The washing tank is formed with a drainage flow passage so as to start from the lowest portion of the bottom surface and gradually deepen toward the rear, and an outer side of the washing tub communicates with the drainage flow passage to form an air chamber into which the wash water flows; An air hose and a water level sensor are connected to an upper portion of the washing tank from the air chamber to measure the water level in the washing tank according to the air pressure change according to the inflow of the washing water. The method of claim 1, The washing tub is supported in a suspended state through a plurality of hook members in the case; The hook member is a water level detection device of the inclined washing machine, characterized in that the support means is installed so that the air hose is supported and connected in the upward direction. The method of claim 1, The air hose is inclined washing machine water level detection device, characterized in that supported on either of the inner wall of the case or the outer wall of the washing tank connected in the upward direction.