KR101293230B1 - Drum tpye washing machine - Google Patents

Abstract

The drum washing machine according to the present invention includes a tub containing washing water and an opening formed in the front; A drum rotatably disposed in the tub and having an opening formed in front of the tub; It is configured to include a foreign material injection prevention rib provided in the tub to prevent foreign matter penetrates between the opening of the tub and the opening of the drum, it is possible to prevent foreign matter such as coins do not penetrate between the tub and the drum, There is an advantage that can prevent damage or clogging of the pump.

Drum washing machine, tubs, drums, openings, foreign material prevention ribs, foreign material filtering net

Description

Drum tpye washing machine

1 is a perspective view of one embodiment of a drum washing machine according to the present invention;

2 is a partially exploded perspective view of an embodiment of a drum washing machine according to the present invention;

3 is a cross-sectional view of one embodiment of a drum washing machine according to the present invention;

4 is a front view of an embodiment of a drum washing machine according to the present invention;

5 is a cross-sectional view showing the internal configuration of another embodiment of a drum washing machine according to the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS

20: tub 26: opening

30; Drum 32: opening

40: gasket 49: fabric pinch prevention rib

50: foreign object injection prevention rib 52: drain hole

100: foreign body sieve 102: manche

104: support E: foreign object

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum washing machine, and more particularly, to a drum washing machine in which foreign substances such as coins, lint, and the like are caught on the tub side so as not to flow into a pump or the like.

Generally, a washing machine is a device that removes contaminants on clothing or bedding (hereinafter, referred to as 'foam') by using an action of a detergent and water (hereinafter referred to as 'washing water'). It is divided into agitator type, pulsator type and drum type washing machine.

The stirring type washes by rotating the laundry rod towered on the center of the washing tank to the left and right, and the vortex type washes by using the friction force between the wash water and the laundry by rotating the disk-shaped rotary blade formed on the lower part of the washing tank to the left and right, and the drum type A plurality of lifts (lift) are projected and the washing water and the cloth inside the drum lying on its side and the drum is rotated to wash.

Among the above washing machines, the drum washing machine uses a small amount of water and can clean the fabric more cleanly, and thus its use is gradually increasing. Recently, washing water in tubs is circulated inside the drum or drained outside the washing machine. There is a trend to install a pump unit to filter foreign matter in.

The pump unit includes a pump casing connected by a tub and a drain bellows, a pump filter disposed inside the pump casing, an impeller for pumping wash water in the pump casing, and a motor for rotating the impeller.

However, in the conventional drum washing machine, when the drum rotates, coins penetrated between the drum and the tub remain inside the tub and corrode to contaminate the tub or the inside of the tub, and coins and the like flow into the pump casing to impeller and the like. There is a problem that can damage or block the inside of the pump casing.

In addition, the lint and the like separated from the cloth is re-introduced into the drum without being filtered by the pump filter of the pump unit and there is a problem that the lint is left in the cloth in a state in which the lint is stuck when washing is completed.

The present invention has been made to solve the above problems of the prior art, to provide a drum washing machine that prevents foreign matter such as coins from penetrating between the tub and the drum and prevents damage or clogging of the pump by coins or the like. There is a purpose.

Another object of the present invention is to provide a drum washing machine so that lint is caught on a foreign matter trapping net installed in the tub so that lint does not stick to the cloth when washing is completed.

Drum washing machine according to the present invention for solving the above problems is a tub containing washing water is formed in the opening; A drum rotatably disposed in the tub and having an opening formed in front of the tub; It is characterized in that it comprises a foreign material injection prevention rib provided in the tub to prevent foreign matter penetrating between the opening of the tub and the opening of the drum.

The foreign material input prevention rib is characterized in that the drain hole for washing water is formed.

The foreign material input preventing rib is formed to protrude upward from the bottom of the inner peripheral surface of the opening of the tub.

The foreign material input prevention rib is characterized in that formed at a height spaced apart from the drum.

The tub is characterized in that it comprises a tub body having a front opening and a tub cover coupled to the front of the tub body, the back is open, the opening and the foreign matter input prevention rib formed in the front.

The drum washing machine according to the present invention includes a tub containing washing water and an opening formed in the front; A drum rotatably disposed in the tub and having an opening formed in front of the tub; A gasket coupled to an opening of the tub and having a drain hole formed therein; Characterized in that it comprises a foreign matter trapping net detachable to at least one of the gasket and the tub.

The gasket may include a coupling part coupled to the opening of the tub, and an anti-fogging part protruding from the coupling part toward the opening of the drum and having the drain hole formed therein.

The foreign material screen is characterized in that the detachable to at least one of the lower portion of the tub and the lower portion of the gasket so as to be located inside the lower portion of the tub.

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

1 is a perspective view of one embodiment of a drum washing machine according to the present invention, Figure 2 is a partially exploded perspective view of one embodiment of a drum washing machine according to the present invention, Figure 3 is a cross-sectional view of one embodiment of a drum washing machine according to the present invention, Figure 4 is Front view of an embodiment of a drum washing machine according to the present invention.

In the drum washing machine according to the present embodiment, as shown in FIGS. 1 to 4, the cabinet 2 forming the exterior is provided with a base fan 3 provided with a plurality of legs and an upper side of the base fan 3. A cabinet cover (6) having a cabinet body (4) installed and opened at the front and top surfaces, a cabinet cover (6) formed at the front of the cabinet body (4), and having a cloth entrance hole (5) through which the fabric (m) enters and exits; It is comprised including the top plate 7 provided in the upper surface of the main body 4. As shown in FIG.

The cabinet cover 6 is provided with a door 8 for opening and closing the fabric access hole 5.

The door 8 comprises a door frame 9 connected to the cabinet cover 6 by a hinge member, and a door glass 10 installed at the center of the door frame 8.

The door glass 10 is formed in a shape that protrudes toward the drum 30 to be described later.

A control panel 12 for operating the washing machine is installed at one side of the cabinet 6, particularly at the front of the cabinet 6.

On the other hand, the interior of the cabinet 2, as shown in Figures 2 to 3, the detergent is mixed with water during the washing stroke, the clean water is not mixed with the detergent during the rinsing stroke is contained, during the dehydration stroke A tub 20 is installed in which water dewatered from the cloth m (hereinafter, referred to as “washing water”) is collected.

As shown in FIG. 3, the tub 20 is connected to the cabinet body 4 by a spring 22 so as to be suspended from the cabinet body 4 and vibrated to the base fan 3. It is connected to the base fan 3 by a damper 24 so as to be supported.

The tub 20 is a cylinder lying horizontally or at an angle, and has an opening 26 for entering and exiting the fabric at the rear of the fabric access hole 5 of the cabinet 2.

Inside the tub 20, a drum 30 in which the cloth m is accommodated is rotatably disposed.

As shown in FIG. 3, the drum 30 has an opening 32 protruding in a hollow cylindrical shape so that the cloth (m) can enter and exit the front part, and wash water or air can enter and exit the circumferential part or the back part. A plurality of through holes 34 are formed, and a lifter 36 is mounted on the inner circumferential surface of the circumference to lift and drop the cloth m and the wash water w.

The drum 30 is disposed so that the lower part is immersed in the wash water w in the tub 20.

On the other hand, the tub 20 is provided with a motor 38 for rotating the drum (30).

In addition, the tub 20 has a cloth m or wash water between at least one of the cloth entry hole 5 and the door 8 of the cabinet cover 6 and the opening 26 of the tub 20. w), a gasket 40 for preventing air or the like from coming out is provided.

The gasket 40 is made of an elastic material such as rubber to be folded back and forth or up and down during the vibration of the tub 20 to cushion the vibration of the tub 20 and absorb the vibration.

As shown in FIG. 2, the gasket 40 is fitted to the front end fitting portion 42 inserted into the cloth entry hole 5 of the cabinet cover 6 and the opening 26 of the tub 20. It is configured to include a rear end fitting 44, and a folded portion 46 between the front end fitting 42 and the rear end fitting 44.

When the door 8 is closed, the gasket 40 is provided with a door sealing part 48 which is in close contact with the door glass 10.

The gasket 40 has a ring-shaped anti-rib rib 49 as a whole to prevent the cloth m from being caught between the opening 26 of the tub 20 and the opening 32 of the drum 30. Is formed to protrude.

The anti-shrink rib 49 is provided with a drain hole 49a through which the washing water on the inner circumferential surface of the gasket 40 flows out into the opening 26 of the tub 20.

On the other hand, the drum washing machine may prevent the foreign matter from penetrating between the opening 26 of the tub 20 and the opening 32 of the drum 30 to some extent. Since the 40 is made of an elastic material such as rubber, the foreign material such as coins bends the anti-fogging rib 49 or rides over the anti-fogging rib 49 while the opening 26 and the drum of the tub 20 are rotated. It may penetrate between the openings 32 of the 30, so that foreign substances such as coins do not penetrate between the openings 26 of the tub 20 and the openings 32 of the drum 30 to the tub 20. The membrane is formed of a separate foreign matter input prevention rib 50 protruding.

The foreign material input prevention rib 50 has foreign matters, such as coins, placed on the inner circumferential surface of the gasket 40 during washing, rinsing, and dehydration strokes together with the washing water, and the opening 26 and the drum 30 of the tub 20. After passing through the gap between the openings 32 of the () to prevent the movement to the inside of the tub 20, protrudes from the inner peripheral surface of the opening 26 of the tub 20 toward the outer peripheral surface of the opening of the drum (30).

The foreign material injection prevention rib 50 may be formed in a ring shape along the entire inner circumferential surface of the opening 26 of the tub 20, but in order to minimize the collision between the tub 20 and the drum 30, foreign substances such as coins. It is preferable to be formed only in the lower portion of the inner circumferential surface of the opening 26 of the tub 20, which is a mainly penetrated portion, and will be described below by restricting to the lower portion of the inner circumferential surface of the opening 20 of the tub 20 orthogonally upward. do.

The foreign material injection prevention rib 50 is formed to be located behind the lower portion of the anti-fogging rib 49 of the gasket 40.

The foreign material injection preventing rib 50 is formed to be long and rounded along the inner circumferential surface of the opening 26 of the tub 20 to minimize collisions with the opening 32 of the drum 30 when the drum 30 vibrates. It protrudes to have a height spaced apart from the outer peripheral surface of the opening 32 of the drum 30 by a predetermined distance.

When the flow path through which the wash water passes to the upper side of the foreign material input prevention rib 50 is formed, the foreign material input prevention rib 50 may cross over the foreign material input prevention rib 50 together with the wash water. Therefore, the drain hole 52 is formed in the front-rear direction so that the washing water can pass through the foreign object injection prevention rib 50 without forming a flow path of the washing water above the foreign material injection prevention rib 50.

Preferably, the plurality of drain holes 52 are formed to be spaced apart from each other, and the length of the drain holes 52 is smaller than that of a coin or a button.

On the other hand, the tub 20, the tub body 20A having the front open, coupled to the front of the tub body 20A, the back is open and the opening 26 and foreign matter prevention prevention rib 50 in the front. It is configured to include a formed tub cover 20B.

The tub body 20A and the tub cover 20B are molded by synthetic resin injection.

The foreign material input preventing rib 50 may be formed separately from the tub cover 20B and then attached by an adhesive material, or may be molded together during injection molding of the tub cover 20B.

On the other hand, the tub 20 is connected to the water supply device 60 for supplying the washing water (w) into the tub 20, draining the washing water (w) in the tub 20 to the outside or drum 30 The pump device 70 for pumping circulation to the inside is connected.

 The pumping device 70 may be configured as a drainage pumping device for draining the washing water w in the tub 20 to the outside, and a circulation for pumping the washing water w in the tub 20 into the drum. It can also be comprised with the pumping apparatus for water, and it demonstrates only below with both the pumping apparatus for wastewater, and the pumping apparatus for circulation.

The pumping device 70 includes a drainage bellows 71 connected to a drain hole 28 formed at the bottom of the tub 20, a pump case 72 into which the wash water drained into the drainage bellows 71 is introduced. A circulating pump 73 connected to one side of the pump case 72 and comprising an impeller and a motor, and the wash water pumped by the circulating pump 73 to an approximately upper portion of the gasket 40. A circulating hose 74 for guiding and a spray nozzle 75 disposed to penetrate through the gasket 40 and spraying the washing water guided to the circulating hose 74 to the drum 20. .

The pumping device 70 is connected to one side of the pump case 72, the pump for drainage (76) consisting of an impeller and a motor, and the wash water pumped by the drainage pump 76 of the washing machine It further comprises a drain hose 77 for guiding to the outside.

The pumping device 70 may be a separate pump filter may be disposed inside the pump case 72, and foreign matter infiltration, such as coins, is limited by the foreign material injection preventing rib 50, and thus, a separate pump filter may be provided. It is of course also possible that the pump filter is not arranged.

Here, when the drum washing machine is not disposed of a separate pump filter inside the pump case 72, the front part of the pump case 72 is formed to be blocked, and the cabinet cover 6 allows the filter to enter and exit the cabinet. It is not necessary to form a separate filter entrance hole for.

Reference numeral 80 denotes a controller that controls various driving components of the washing machine in accordance with the operation of the control panel 12.

Hereinafter, the operation of the present invention will be described.

First, when the cloth (m) is put into the drum 30, the door 8 is closed, and the washing machine is operated by operating the control panel 12, the inner lower portion of the tub 20 and the drainage Washing water supplied from the water supply device 60 is contained in the bellows 71 and the pump case 72, and the m in the drum 30 is introduced through the manual 34. It will be soaked in the wash water.

At this time, when the circulation pump 73 is driven, the washing water in the tub 20 is the drain bellows 71, the pump case 72, the circulation pump 73, the circulation hose 74 and the injection nozzle 75 In order to circulate while being sprayed toward the inside of the drum 30 in turn, the washing water w in the tub 20 is rapidly wetted in the cloth m.

On the other hand, when the motor 38 is driven, the drum 30 is rotated, and the fabric m inside the drum 30 is lifted up by the lift 36 and falls and acts as washing water to contaminate. Will fall.

When the washing stroke is completed, contaminated water remains inside the tub 20, the inside of the drainage bellows 71, and the pump case 72, and the contaminated water is disposed in the drain pump 66. In operation, the drainage pump 76 and the drain hose 77 are drained to the outside of the washing machine.

Then, the drum washing machine supplies a fresh water to the tub 20 and rinses for a predetermined number of times, and then performs a rinsing stroke to drain the water used for rinsing to the outside of the washing machine, and rotates the drum 30 at high speed. The dehydration stroke which centrifugally dehydrates the water remaining in (m) is performed.

On the other hand, the drum washing machine, after the foreign matter such as coins separated from the fabric (m) during the washing, rinsing, dehydration stroke is moved to the inner peripheral surface of the gasket 44, the opening 26 of the tub 20 ) And the opening 32 of the drum 30, but are caught by the foreign material input preventing rib 50 formed in the tub 20 to open the opening 26 and the drum 30 of the tub 20. It does not penetrate between the openings 32 of the, and remains on the front side of the foreign material injection prevention rib 50.

That is, in the drum washing machine, foreign matters such as coins do not penetrate into the space between the tub 20 and the drum 30.

5 is a cross-sectional view showing the internal configuration of another embodiment of a drum washing machine according to the present invention.

In the drum washing machine according to the present embodiment, as illustrated in FIG. 5, at least one of the gasket 40 and the tub 20 is detached from the foreign matter filter net 100.

  The foreign material filtering net 100 is attached to or detached from at least one of the lower portion of the tub 20 and the lower portion of the gasket 40 so as to be positioned inside the lower portion of the tub 20. It will be described as being limited to the structure that is engaged in both the lower portion of the gasket 40.

The foreign material strainer 100 is composed of a mesh body 102 formed so that foreign matters E, such as lint, are strained, and a support 104 for supporting the mesh body 102.

The net body 102 is formed in a bag shape with an open tip side.

The support 104 is coupled to the open tip of the mesh 102.

The support 104 is formed in a shape in which the upper hook portion 107 engaged with the anti-shrink rib 49 is bent at an upper end thereof.

The support 104 is formed at the bottom of the bottom protrusion 108 is caught on the tub 20.

In addition, the tub 20 is formed to protrude on an inner circumferential surface of the locking protrusion 29 to which the lower protrusion 108 is caught rearward.

 In the drum washing machine according to the present embodiment, the washing water w moved to the inner circumferential surface of the gasket 40 passes through the drain hole 49a of the anti-shrink rib 49, and then the opening 26 of the tub 20 is formed. ) Flows into the tub 20 along the inner circumferential surface, and foreign matters E such as coins or lint are caught by the mesh 102 of the foreign matter strainer 100 while passing through the foreign substance strainer 100.

On the other hand, the foreign body (E) such as coins or lint is accumulated in the mesh body 102 of the foreign material strainer 100, the user lifting the upper hook portion 107 of the foreign body strainer 100 to the upper side (the support ( When the 104 is bent, the foreign matter strainer 100 is easily separated from the tub 20 and the gasket 40.

Take out the foreign material strainer 100 to the outside of the drum washing machine to remove the accumulated foreign material (E), and while hanging the lower projection 108 of the foreign matter strainer 100 on the locking projection 29 of the tub 20 When the upper hook portion 107 of the foreign matter strainer 100 is hooked to the upper edge of the anti-fogging rib 49 of the gasket 40 again, the foreign strain strainer 100 is connected to the catching protrusion 29 of the tub 20. The jamming prevention ribs 49 are caught and their arbitrary removal is restricted.

On the other hand, the present invention is not limited to the above embodiments, it is also possible that the foreign matter trapping net is detachable to at least one of the foreign material injection prevention rib 50 and the tub 20, within the technical scope to which the present invention belongs Of course, various modifications are possible.

In the drum washing machine of the present invention configured as described above, a foreign material injection prevention rib is formed in the tub so that foreign matter does not penetrate between the opening of the tub and the opening of the drum, and foreign matter such as coins may not be penetrated between the tub and the drum. , There is an advantage that can prevent damage or clogging of the pump, such as by coins.

 Further, in the drum washing machine of the present invention, since a drainage hole through which the washing water passes is formed in the foreign material injection prevention rib, and a flow path of the washing water is not formed above the foreign material injection prevention rib, foreign substances such as coins are foreign matter with the washing water. There is an advantage that it does not fall to the upper side of the dosing prevention ribs.

In addition, the drum washing machine of the present invention is formed to protrude upward from the lower portion of the inner peripheral surface of the opening of the foreign matter rib, it is possible to prevent foreign matters such as coins while minimizing the collision or interference between the opening of the drum and the foreign object prevention rib. There is an advantage to this.

In addition, the drum washing machine of the present invention has an advantage that the lint is detached from at least one of the gasket and the tub, and foreign matters such as lint and the like are trapped and accumulated in the lint.

Claims (8)

A cabinet body with open front and top surfaces; A top plate installed on an upper surface of the cabinet body; A cabinet cover installed at a front surface of the cabinet body and having an access hole formed therein; A tub containing washing water and an opening formed in the front; A drum rotatably disposed in the tub and having an opening formed at a front thereof; A gasket disposed between the tub and the cabinet cover; An anti-fogging rib disposed on the gasket and formed to prevent foreign matter from penetrating between the tub and the drum; And It is disposed in the rear of the anti-shrink rib, and formed on the inner circumferential surface of the opening of the tub and includes an anti-fog foreign matter entry rib, The foreign material injection prevention rib, the washing machine formed with a drain hole in the lower side so that the flow path of the wash water flowing between the tub and the drum passes through the foreign object injection prevention rib. The method of claim 1, The foreign material input preventing rib is formed on the lower end of the rotating shaft of the drum. delete delete delete delete delete delete

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