KR20030064566A - Bleach and softener input apparatus for washing machine - Google Patents

Abstract

PURPOSE: Structure for throwing in a wash builder of a tub cover for a washer is provided to exactly guide the wash builder to a space between a washing tub and a water tub. CONSTITUTION: Structure for throwing in a wash builder of a tub cover(60) for a washer includes a ring-shaped cover body(61) forming an inlet(62) for going into a washing tub; a passing part(63) more protruded than the edge of the outer periphery of the cover body on a side the cover body; and a counter-current preventing plate. The cover body is mounted to the upper end of the water tub. The passing part forms a through hole through which bleaching agent or ringing agent passes. The counter-current preventing plate is formed to the lower part of the passing part corresponding to the through hole, to prevent washing water from flowing backward through the through hole. The passing part is integrally formed to the cover body. An extension plate(66) is detachably mounted to the cover body, and one side of the extension plate is protruded on the outer periphery of the cover body in the centrifugal direction. The counter-current preventing plate makes the through hole opened in the centrifugal direction of the tub cover. Thus, bleaching agent or rinsing agent falls to the passing part of the tub cover more exactly.

Description

Bleach and softener input apparatus for washing machine

The present invention relates to a washing machine, and more particularly, to a washing aid input structure of the washing machine tub cover for injecting the bleach and the softening agent used for washing between the reservoir and the washing tank.

1 is a partial cross-sectional view showing an internal configuration of a washing machine according to the prior art. According to this, the cabinet 1 forms the appearance of the washing machine. The top cover 3 is installed at the top of the cabinet 1 to form the top of the washing machine. The top cover 3 is provided with a door (not shown) for opening and closing the entrance of the washing tub 6 to be described below.

The reservoir 5 is supported by the supporter 5 'in the cabinet 1. The washing water is filled in the reservoir 5. In addition, the washing tank 6 is rotatably installed in the reservoir 5. Substantial washing is performed in the washing tank 6, the washing tank 6 is formed with a plurality of through-holes for communication with the water storage tank (5). In addition, a washing blade 7 is rotatably installed together with or separately from the washing tub 6 at the bottom of the washing tub 6. The upper end of the washing tank 6 is provided with a balancer (8) for holding the rotation balance of the washing tank (6).

Rotation of the washing tank 6 and the washing blade 7 is performed by a motor 9 mounted to the lower portion of the reservoir (5). The motor 9 selectively rotates the washing tub 6 and the washing blade 7 through the rotating shaft 10. Reference numeral 11 denotes a drain hose.

On the other hand, the tub cover 12 surrounding the upper inner edge of the reservoir (5) is installed. The tub cover 12 prevents the washing water flowing through the space formed between the water tank 5 and the washing tank 6 from overflowing to the upper end of the water tank 5, and guides the inside of the washing tank 6. Play a role.

One side of the tub cover 12 is formed with a passage 13 through which a laundry aid used for washing such as a softener or bleach. The passage opening 13 is opened into a space between the washing tank 6 and the water storage tank 5, and an upper portion thereof corresponds to a softener or bleach input unit provided in the top cover 3.

The softener input unit and the bleach input unit are generally used to introduce the softener and the bleach into the reservoir 5 at a desired time using the principle of siphon.

However, the prior art as described above has the following problems.

The tub cover 12 has a through hole 13 through which the laundry aid is passed. However, when the water storage tank 5 is not in the correct position due to the eccentricity of the laundry cloth or the like, the laundry aid is provided. It may not be accurately delivered to the passage 13.

For example, when the portion provided with the passage portion 13 is located in the relatively centrifugal direction of the water storage tank 5, the washing aid falls on the upper surface of the tub cover 12 relatively inside the passage portion 13. Can be dropped directly into the interior of the washing tank (6). In this case, the laundry aid directly comes into contact with the laundry cloth, causing the laundry cloth to be damaged.

And when the portion provided with the passage portion 13 is located in the relatively central direction of the water storage tank 5, the washing aid is dropped on the upper surface of the tub cover 12 relatively outer side than the passage portion 13 and washed The auxiliary agent falls out of the reservoir 5. Therefore, a problem occurs that the washing is not made as desired by the user.

Accordingly, it is an object of the present invention to solve the problems of the prior art as described above, so that the laundry aid is more accurately guided into the space between the wash bath and the reservoir.

1 is a partial cross-sectional view showing the configuration of a typical washing machine.

Figure 2 is an exploded perspective view showing the main configuration of the washing machine provided with a preferred embodiment of the laundry aid input structure of the tub cover according to the present invention.

Figure 3 is a perspective view showing the configuration of the siphon tray.

4 is a cross-sectional view showing the main portion of the embodiment of the present invention.

5 is a perspective view showing the configuration of another embodiment of the present invention.

FIG. 6 is a sectional view showing the main parts of the embodiment shown in FIG. 5; FIG.

Explanation of symbols on the main parts of the drawings

20: top cover 22: entrance

24: detergent box mounting portion 25: cover mounting portion

30: cover 32: bleach inlet

34: softener inlet 40: storage unit

41: bleach chamber 41 ': groove

42: softener chamber 43: integrated euro

43 ': Through hole 45,45': Water supply port

46: first partition 47: second partition

47 ': overflow 50, 50': siphon

60: tub cover 61: cover body

63: passing portion 64: seating hole

65: fastening rib 65 ': fastening hole

66: extension plate 66 ': inclined surface

67: fastening plate 67 ': fastening hole

68: through hole 69: backflow check plate

According to a feature of the present invention for achieving the object as described above, the present invention is formed in an annular shape is formed in the entrance to the washing tank in the center and the cover body is mounted on the top of the reservoir, the one side of the cover body It is provided to protrude more than the outer peripheral edge of the cover body and formed in the center of the through-hole through which a bleach or softener is passed, and formed in the lower portion of the passage corresponding to the through-hole to prevent backflow of the wash water through the through-hole It includes a backflow prevention plate.

The passage portion is formed integrally with the cover body.

The extension plate constituting the passage portion is detachably mounted to the cover body, one side of the extension plate protrudes in the centrifugal direction on the outer periphery of the cover body.

The backflow prevention plate is formed such that the through hole is opened in the centrifugal direction of the tub cover.

An upper surface of the passage portion is formed to be inclined downward toward the through hole, and a partition fence is formed at a predetermined height at an edge of the passage portion.

According to the washing aid input structure of the washing machine tub cover according to the present invention having such a configuration, even if the position of the reservoir is changed due to various reasons, the bleach or the softening agent can be more accurately delivered to the passing portion of the tub cover, thereby increasing the operation reliability of the washing machine. Will be.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the laundry aid input structure of the washing machine tub cover according to the present invention will be described in detail.

Figure 2 is an exploded perspective view showing the main configuration of the washing machine employing a preferred embodiment of the laundry aid input structure according to the present invention, Figure 3 is a perspective view of a siphon tray constituting an embodiment of the present invention, 4 is a cross sectional view showing main components of an embodiment of the present invention.

As shown in these figures, an inlet 22 is formed through the center of the top cover 20 constituting the outer appearance of the upper end of the washing machine. The inlet 22 is selectively opened and closed by a door (not shown) installed in the top cover 20 as a part of the washing tank. Detergent box seating portion 24 is formed in the rear end side of the top cover 20 to be opened to the inside of the inlet (22). The detergent box seating part 24 is mounted with a detergent box (not shown) for supplying detergent into the washing tank.

A cover mounting portion 25 is formed at one side of the inlet 22, that is, at the left side when viewed from the front end of the top cover 20. The cover mounting portion 25 is mounted to the cover 30 to be described below. The cover mounting portion 25 and the inlet 22 are relatively recessed in the upper surface of the top cover 20 so that the upper surface of the door is flush with the upper surface of the top cover 20 when the door is seated. The cover mounting portion 25 is formed at one end of the top cover 20, that is, the top cover 20 when viewed from the front end of the inlet 22. Reference numeral 29 denotes an operation unit mounting unit to which the operation unit is mounted.

The cover 30 is seated on the cover mounting portion 25 from the top of the top cover 20. The cover 30 is installed to be exposed to the upper surface of the top cover 20 when the door is opened. The bleach agent inlet 32 and the softener inlet 34 are formed in the cover 30, respectively. The bleach agent inlet 32 and the softener inlet 34 are formed separately, and are respectively opened to the lower portion of the cover mounting portion 25.

Next, the siphon tray 40 is mounted on the lower surface of the top cover 20 corresponding to the lower portion of the cover mounting portion 25 on which the cover 30 is seated. The siphon tray 40 has a bleach agent 41 and a softener chamber 42 formed on the upper surface thereof to be opened toward the upper side (bleach agent inlet 32 and softener inlet 34 formed in the cover 30), respectively. . The bleach chamber 41 is formed at a position corresponding to the bleach inlet 32, and the softener chamber 42 is formed at a position corresponding to the softener inlet 34.

An integrated flow path 43 is formed along one side of the bleach chamber 41. The integrated flow path 43 is a portion in which the softener of the softener chamber 42 flows over by the principle of siphon, and at the same time, the bleach overflowed in the bleach chamber 41 flows together. A downstream hole 43 'is formed in the downstream portion of the integrated passage 43. The through hole 43 ′ is a portion that passes through the siphon tray 40 and opens downward.

The siphon tray 40 is provided with water supply ports 45 and 45 'for supplying water to the bleach chamber 41 and the softener chamber 42 at a predetermined time. When water is supplied to the water inlets 45 and 45 ', the siphons 50 and 50', which will be described below, are operated, and the bleach and the softener are supplied to the reservoir at a predetermined time.

The softener chamber 42 and the bleach chamber 41 are partitioned by the first partition wall 46, and the bleach chamber 41 and the integrated flow path 43 are partitioned off by the second partition wall 47. Overflow portion 47 'having a relatively low height is formed in the second partition 47, and when the bleach agent 41 is filled with too much bleach, it overflows to the integrated flow path 43 and passes through the passage 43. Discharge through ').

On the other hand, a plurality of fastening pieces 48 for mounting the siphon tray 40 on the lower surface of the top cover 20 is formed along one end, and fastening holes 49 are formed in the fastening pieces 48, respectively. have.

Next, a siphon 50 is installed between the bleach chamber 41 and the passage hole 43 'to transfer the bleach of the bleach chamber 41 to the passage hole 43'. The siphon 50 has an inverted 'V' shape, and the through hole 43 'side is formed to extend relatively lower than the bleach chamber 41 side. Here, the bottom of the bleach chamber 41 at the inlet of the siphon 50 has a recess 41 'formed to be relatively recessed.

In addition, a siphon 50 'is installed between the softener chamber 42 and the integrated channel 43. The siphon 50 'is formed so that the side of the integrated passage 43 extends lower than the softener chamber 42 side, so that the softener level of the softener chamber 42 is higher than the upper end of the inner channel of the siphon 50'. By the principle of ground siphon, the softener is delivered to the integrated flow path 43. The recess 42 'is formed at the bottom of the softener chamber 42 at the inlet of the siphon 50'.

On the other hand, the tub cover 60 is attached to the upper end of the reservoir. An upper surface of the tub cutter 60 faces a lower surface of the top cover 20, and a lower portion of the siphon tray 40 corresponds to the passage 65 of the tub cover 60. The cover body 61 constituting the tub cover 60 is formed in an annular shape, and an inlet 62 is formed at the center thereof. The inlet 62 becomes the inlet of the reservoir.

One side of the cover body 61, that is, the passage portion 63 is provided at a position corresponding to the passage hole 43 'of the siphon tray 40. The passage portion 63 is formed by passing the seating hole 64 on one side of the upper surface of the cover body 61. The seating hole 64 is formed at a position corresponding to the through hole 43 '. In addition, a fastening rib 65 is formed at an adjacent position of the seating hole 64. A fastening hole 65 ′ is formed in the fastening rib 65.

An extension plate 66 is mounted to the cover body 61 corresponding to the seating hole 64 and the fastening rib 65. One side of the extension plate 66 is formed to protrude more than the outer periphery of the cover body 61. The upper surface of the extension plate 66 is formed of an inclined surface 66 'which is formed to be inclined downward toward the through hole 68. In addition, fastening plates 67 are formed at positions of the extension plates 66 corresponding to the fastening ribs 65, respectively. A fastening hole 67 ′ is formed in the fastening plate 67.

A through hole 68 is formed at a position corresponding to the seating hole 64 at the center of the upper surface of the extension plate 66. The through hole 68 is connected to the lowest portion of the inclined surface 66 'and is a portion through which the bleach and the softener that pass through the through hole 43' of the siphon tray 43 pass. A partition fence 68f surrounding the edge of the extension plate 66 is formed. The compartment fence 68f serves to prevent the softener or the bleach from overflowing to the outside.

The backflow prevention plate 69 is formed on the bottom surface of the extension plate 66 corresponding to the through hole 68. The backflow prevention plate 69 is opened toward the centrifugal direction of the tub cover 60. The non-return plate 69 serves to prevent the washing water from being transferred to the upper surface of the tub cover 60 through the through hole 68 during the washing process.

5 and 6 show another embodiment of the present invention. According to this, the cover body 161 of the tub cover 160 is formed in an annular shape. An inlet 162 is formed at the center of the cover body 161.

And a passing portion 163 is formed on one side of the cover body 161. The passage 163 is formed at a position corresponding to the passage hole 43 ′ of the siphon tray 40, and protrudes more than an outer circumference of the cover body 161 in the centrifugal direction of the cover body 161. Is formed. The upper surface of the passage 163 is an inclined surface 166 ′ which is formed to be inclined downward toward the through hole 168. A partition fence 168f surrounding the edge of the passage 163 is formed. The compartment fence 168f does not overflow the bleach or softener delivered to the passage 163.

A through hole 168 is formed at the center of the passage 163, that is, at the lowest position of the inclined surface 166 ′. The through hole 168 serves to transfer the bleach or softener delivered from the through hole 43 'of the siphon tray 40 to the space between the reservoir and the washing tank.

The backflow prevention plate 169 is formed at the lower end of the cover body 161 corresponding to the through hole 168. The backflow prevention plate 169 allows the through hole 168 to open toward the centrifugal direction of the cover body 161. The backflow prevention plate 169 serves to prevent the washing water of the washing tank or the storage tank from flowing back to the upper surface of the tub cover 160 through the through hole 168.

Hereinafter will be described the operation of the washing aid input structure of the washing machine tub cover according to the present invention having the configuration as described above.

In the present invention, it will be described that laundry aids such as bleach and softening agent are added. When the user selects the use of the laundry aid and injects the bleach and the softener through the bleach inlet 32 and the softener inlet 34, respectively, they are accumulated in the bleach chamber 41 and the softener chamber 42, respectively.

When the time for the bleach and the softening agent is added during the washing process, the water is supplied to the bleaching chamber 41 and the softening chamber 42 through the water supply ports 45 and 45 ', respectively. B) and bleach and softener are supplied to the integrated flow path 43 through the siphons 50 and 50 '. The bleach or softener supplied to the integrated flow path 43 is transferred to the passage 63 of the tub cover 60 through the passage hole 43 '.

The bleach or softener dropped into the passage 63 falls directly into the through hole 68 or falls on the inclined surface 66 ′ and flows by the inclined portion to be transmitted to the through hole 68. The bleach or softener delivered to the through hole 68 is guided by the backflow prevention plate 69 and is transferred between the washing tank and the storage tank.

On the other hand, the passage portion 63 is formed so as to protrude more than the outer peripheral edge of the tub cover 60, even if slightly shifted to the position of the reservoir in which the tub cover 60 is mounted through the passage hole 43 ' Bleach or softener that is dropped from can be delivered to the passage portion (63).

That is, even if the position of the water tank in which the tub cover 60 is mounted is eccentric or distorted by a laundry cloth or the like, the area of the passage portion 63 of the tub cover 60 is relatively large, so that the bleach or softener passes through the portion 63. Can be delivered more reliably.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and those skilled in the art can make various modifications and adaptations within the scope of the claims. It is self-evident.

The laundry aid input structure of the washing machine tub cover according to the present invention as described above is formed so as to protrude further in the centrifugal direction from the outer periphery of the cover body. By doing so, even if the position of the water tank equipped with the tub cover is slightly misaligned, the bleach or softener falling from the siphon tray can be accurately dropped to the passage portion having a relatively large area so that the bleach or softener is not directly transferred to the washing cloth. It can be transferred to the space between and the reservoir.

Claims (5)

A cover body which is formed in an annular shape and has an inlet for entering a washing tank in the center and is mounted on the top of the water storage tank, A passage part provided at one side of the cover body to protrude more than an outer peripheral edge of the cover body and having a through hole through which a bleach or a softener passes in the center thereof; The washing aid input structure of the washing machine tub cover is formed in the lower portion corresponding to the through hole is configured to include a backflow prevention plate to prevent the back flow of the wash water through the through hole. According to claim 1, wherein the passage portion washing aid input structure of the washing machine tub cover, characterized in that formed integrally with the cover body. The washing machine tub cover of claim 1, wherein the extension plate constituting the passage part is detachably mounted to the cover body, and one side of the extension plate protrudes in the centrifugal direction on the outer circumference of the cover body. Supplementary input structure. According to claim 2 or 3, wherein the non-return plate is a laundry aid input structure of the washing machine tub cover, characterized in that the through-hole is formed in the centrifugal direction of the tub cover. The washing aid input structure of the washing machine tub cover of claim 4, wherein an upper surface of the passage part is inclined downwardly toward the through hole, and a partition fence is formed at a predetermined height at an edge of the passage part.