JP2004089339A - Drum washing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drum washing machine improving an efficiency for collecting waste threads or the like. <P>SOLUTION: A filter 50 provided with a plurality of large openings 57 and small openings 56 provided on two filter faces 50A and 50B individually is disposed in the inside of a baffle 9A for collecting lint or the like inside a drum 7. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a baffle that is rotatably disposed in a horizontal axis state in a water tub disposed in an outer box, and is disposed along an axial direction on an inner peripheral surface of a drum that stores laundry therein. The present invention relates to a drum type washing machine having:
[0002]
[Problems to be solved by the invention]
2. Description of the Related Art In recent years, drum type washing machines have been widely used. The drum-type washing machine is a form that can perform washing with a smaller amount of water and has less damage to the laundry and is suitable for a drying operation as compared with a conventional vertical type fully automatic washing machine. It has advantages such as.
[0003]
When washing with a vertical type fully automatic washing machine, it is inevitable that lint is generated due to very little damage to the laundry, and it is not possible to arrange a filter to collect the lint. Was required. On the other hand, in the case of the drum type washing machine, the necessity of providing a filter for collecting lint was low because the damage to the laundry was far less. There is also a reason that it is difficult to provide a filter in a drum type structure.
[0004]
However, no matter how little lint is generated directly from the laundry, it is often the case that washing is performed in a state where, for example, a tissue paper or a business card in a clothing pocket is forgotten to be taken out. Alternatively, when pets such as dogs and cats are kept indoors, their hair often adheres to clothing and the like. Therefore, since it is sufficiently assumed that they become floating substances during washing, it is preferable that a trapping filter is also present.
[0005]
As such a conventional technique, for example, Japanese Patent Application Laid-Open No. H8-47593 discloses a drum type in which a filter is provided on a baffle which is disposed on an inner peripheral portion of a drum and locks laundry during rotation and moves the laundry in a rotation direction. A washing machine is disclosed. However, in the filter having such a simple structure, it is assumed that the collected lint cannot be retained at one end and is discharged into the water again, so that the actual filter effect is extremely doubtful. In addition, the water level in the drum of the drum type washing machine is set low in order to sufficiently obtain a washing effect by so-called "slap washing", and there is also a problem that lint and the like adhering to the laundry are not easily released. Was.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a drum type washing machine capable of further improving the effect of collecting lint and the like.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the drum-type washing machine according to claim 1 includes a water tub disposed in an outer box;
A drum that is rotatably disposed in a horizontal axis state in the water tank and stores laundry therein;
A baffle arranged along the axial direction on the inner peripheral surface of the drum,
A box-shaped filter arranged inside the baffle,
The filter has a plurality of openings each having a different size on two filter surfaces located in a direction in which the drum rotates.
[0007]
With such a configuration, when the drum rotates in the direction of the filter surface where the larger opening is provided among the two filter surfaces of the filter disposed inside the baffle, the lint and the like floating in the water Are collected inside the filter through the opening. When the rotation direction of the drum is reversed, the effect of collecting lint and the like is relatively small due to the small opening of the filter surface, but the lint and the like once collected may be discharged to the outside of the filter again. Absent. Therefore, the collection efficiency of lint and the like can be generally improved.
[0008]
The drum-type washing machine according to claim 2, wherein a water tub disposed in the outer box,
A drum that is rotatably disposed in a horizontal axis state in the water tub, stores laundry therein, and has a rotating shaft that is inclined downward with respect to the direction of loading the laundry;
A baffle arranged along the axial direction on the inner peripheral surface of the drum,
A box-shaped filter arranged inside the baffle,
The filter has a plurality of openings on two filter surfaces located in the direction in which the drum rotates, and the opening located on the back side in the loading direction of the laundry is located on the near side in the loading direction. The opening area is smaller than the opening.
[0009]
That is, in a washing machine of a type in which the rotation axis is inclined in order to make it easy for the user to put and take the laundry in and out of the drum, when the filter arranged inside the baffle is located on the lower side, the The filter is flooded obliquely with respect to the water surface, that is, in a state where the front side in the laundry loading direction is shallow and the back side is deep. Therefore, if the opening area of the opening located on the back side in the loading direction on the filter surface is formed to be small, when the water level rises to the front side of the filter during rotation of the drum, the water is collected on the filter via the opening having a large area. The lint and the like moved to the back of the filter in the process of lowering the water level. Therefore, as in the case of the first aspect, the lint and the like once collected is not released to the outside of the filter again, and the efficiency of collecting lint and the like can be increased.
[0010]
The drum-type washing machine according to claim 3, wherein a water tub disposed in the outer box;
A drum that is rotatably disposed in a horizontal axis state in the water tank and stores laundry therein;
A baffle arranged along the axial direction on the inner peripheral surface of the drum,
A box-shaped filter that is disposed inside the baffle and has a plurality of openings on each of two filter surfaces located in a direction in which the drum rotates,
The water level in the drum during the rinsing operation is set to be higher than the water level during the washing operation.
[0011]
Generally, a drum type washing machine is characterized in that washing can be performed with a smaller amount of water than a vertical washing machine. However, assuming that lint and the like are collected by the filter, it is easier to release lint and the like adhering to the laundry if the water level in the drum is higher. In the rinsing operation of the drum type washing machine, the rinsing effect does not decrease even if the water level in the drum is increased. Therefore, with this configuration, it is possible to increase the efficiency of collecting lint and the like by the filter during the rinsing operation.
[0012]
In this case, as described in claim 4, the filter may be formed so that the opening areas of the openings provided in the two filter surfaces are different from each other. In the configuration described above, the same operation and effect as those of the first aspect can be obtained.
[0013]
Further, in this case, as described in claim 5, it is preferable that the rotation direction of the drum during the rinsing operation is one direction in which the opening having a large area is arranged in the filter. According to this configuration, more lint and the like can be collected from the large opening side of the filter surface in the rinsing operation.
[0014]
Further, as described in claim 6, after the rinsing operation is performed with the rotation direction of the drum being one direction, the water level in the drum is lowered, and the rotation direction of the drum is alternately reversed to perform the rinsing operation. Is preferred. That is, if the rinsing operation is continued with the rotation direction of the drum set to one direction as in claim 5, the laundry may be entangled, so that the water level is lowered thereafter, and the rotation direction of the drum is alternately positively reversed. Then, by performing the normal rinsing operation, it is possible to prevent cloth entanglement.
[0015]
Further, as described in claim 7, the rinsing operation in which the water level in the drum is changed from the water level during the washing operation may be selectively executable. In other words, if the user decides to prioritize saving the amount of water used rather than collecting lint or the like with a filter, the user can selectively perform the same rinsing operation as usual. it can.
[0016]
In the above case, it is preferable that a mesh for performing a filter function is formed on the baffle. With such a configuration, a filter effect can be obtained by the mesh provided in the baffle before the lint or the like is collected by the filter.
[0017]
Further, as described in claim 9, it is preferable that the radial cross section of the baffle is asymmetric with respect to the mounting position of the filter. In other words, in order to obtain a good filter effect when arranging the filter on the baffle, it is desirable to secure the area of the filter surface as large as possible.Therefore, the filter is placed almost in the center so as to match the maximum height dimension of the baffle. You just need to position it.
[0018]
On the other hand, in order to fix the baffle to the inner peripheral surface of the drum, it is necessary to form a mechanism for fixing from the outer peripheral side of the drum inside the baffle. These requirements can be easily satisfied at the same time by disposing the mechanism portion at a position shifted from the mounting position by making the radial cross section of the baffle asymmetrical with respect to the mounting position of the filter.
[0019]
Further, as described in claim 10, the filter may be configured to be attachable to and detachable from the baffle, and an operation unit for attaching and detaching the filter may be provided on the front side in the laundry loading direction. With such a configuration, the user can operate the operation unit on the near side in the loading direction, and it is possible to easily remove the filter from the baffle and perform cleaning or the like.
[0020]
Further, as described in claim 11, the filter is preferably provided with a hinge portion so that the main body can be opened and closed. With such a configuration, removal of lint and the like collected inside the filter can be performed. Can be easily performed.
[0021]
Further, as described in claim 12, it is preferable that the filter is attached and detached from the upper surface side of the baffle, and the upper surface of the baffle is closed when the filter is attached. It is possible to prevent the collected lint and the like from being discharged from the upper surface portion.
[0022]
In addition, as described in claim 13, it is preferable that the baffle is arranged on the back surface of the drum in accordance with the position of the convex portion formed for reinforcement. That is, the convex portion also performs the same operation as the baffle on the laundry located on the back side of the drum, so that the washing operation can be further improved. In addition, the convex portion has an action of pumping up water when the drum rotates, and the water thus pumped up easily flows into the filter along the baffle. Therefore, the filter also has an effect of increasing the effect of collecting lint and the like by the filter.
[0023]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the drawings. First, in FIG. 5 showing the overall configuration of a drum type washing machine, a door 2 is provided at the center of the front part of an outer box 1 forming an outer shell of the drum type washing machine. The door 2 is for opening and closing a laundry entrance 4 formed at the center of the front part of the outer box 1.
[0024]
Inside the outer box 1, a cylindrical water tank 5 is provided. The water tank 5 is arranged in a horizontal axis shape whose axial direction is the front-rear direction (the left-right direction in FIG. 5), and is arranged in an inclined shape rising forward, and is elastically supported by the elastic support device 6. . Inside the water tank 5, a cylindrical drum 7 is disposed coaxially with the water tank 5. The drum 7 functions as a common tub for washing, dehydration and drying, as well as a large number of small holes 8 formed in almost the entire body (only a part is shown). Are provided with three baffles 9 at intervals of, for example, 120 degrees (see FIG. 6 and only one is shown in FIG. 5).
[0025]
As shown in FIG. 6, on the back surface of the drum 7, convex portions 7a for attaching a reinforcing member (not shown) are formed radially from the center of rotation to the circumferential direction at intervals of 120 degrees from the back surface side. The two baffles 9 are arranged in accordance with the position of the projection 7a. That is, the convex portion 7a also performs the same operation as the baffle 9, since the laundry located on the back side of the drum 7 is locked and moved in the rotation direction of the drum 7. Further, the formation of the protrusion 7a alone has the effect of structurally reinforcing the drum 7.
[0026]
The water tub 5 and the drum 7 respectively have openings 10 and 11 for loading and unloading laundry on the front surface thereof, and the opening 10 of the water tub 5 is watertight by the bellows 12 to the laundry loading and unloading opening 4. The opening 11 of the drum 7 faces the opening 10 of the water tank 5. A balance ring 13 is provided around the opening 11 of the drum 7.
[0027]
A motor 14 for rotating and driving the drum 7 is provided on the back of the water tank 5. The motor 14 is an outer rotor type DC brushless motor in this case, and its stator 15 is attached to an outer peripheral portion of a bearing housing 16 attached to a central portion of the back of the water tank 5. The rotor 17 is disposed so as to cover the stator 15 from the outside, and a rotating shaft 18 attached to the center is rotatably supported by the bearing housing 16 via a bearing 19. The front end of the rotating shaft 18 protruding from the bearing housing 16 is connected to the center of the back of the drum 7. Therefore, in this case, when the rotor 17 of the motor 14 rotates, the drum 7 also rotates integrally with the rotor 17.
[0028]
A water reservoir 20 is provided on the lower surface of the water tub 5. A heater 21 for heating the washing water is disposed inside the water reservoir 20, and a drain hose is provided at a rear portion of the water reservoir 20 through a drain valve 22. 23 are connected.
[0029]
A warm air generator 24 is provided above the water tank 5, and a heat exchanger 25 is provided behind the water tank 5. The hot air generating device 24 includes a hot air heater 27 disposed in a case 26, a fan 29 disposed in a casing 28, and rotationally drives the fan 29 via a belt transmission mechanism 30. The case 26 and the casing 28 communicate with each other. A duct 32 is connected to a front portion of the case 26, and a tip portion of the duct 32 projects to a front portion in the water tank 5 and faces the opening 12 of the drum 7.
[0030]
Here, warm air is generated by the warm air heater 27 and the fan 29, and the warm air is supplied into the drum 7 through the duct 32. The warm air supplied into the drum 7 heats the laundry in the drum 7 and removes moisture, and is discharged to the heat exchanger 25 side.
[0031]
The upper part of the heat exchanger 25 communicates with the inside of the casing 28, and the lower part communicates with the inside of the water tank 5. The heat exchanger 25 is of a water-cooled type in which water is poured from above and flows down to cool, condense, and dehumidify the water vapor in the air passing therethrough. The air that has passed through the heat exchanger 25 is returned to the hot air generator 24 again, is warmed, and circulates.
[0032]
To one of the three baffles 9 (referred to as baffle 9A) arranged inside the drum 7, a filter 50 for collecting lint and the like is detachably attached. FIG. 1A is a perspective view showing a state where the filter 50 is mounted on the baffle 9A, and FIGS. 1B and 1C are perspective views showing the filter 50 and the baffle 9A in a separated state, respectively.
[0033]
The baffle 9A has a substantially trapezoidal cross section in the radial direction (see FIG. 3B), and an insertion portion 51 for inserting the filter 50 is formed at a central portion in the axial direction. On the other hand, the filter 50 is formed in a box shape elongated in the axial direction, and both side surfaces thereof (for example, the left and right sides in FIG. 5, that is, the surfaces in the rotation direction side of the drum 7) become the filter surfaces 52A and 52B. I have.
[0034]
Also, on the near side of the filter 50 in the axial direction (on the side of the opening 11), an operation unit 53 used when a user hooks a finger to remove the filter 50 from the baffle 9A mainly extends the upper surface 54. It is formed. On the other hand, a hinge 55 is formed at the end in the axial direction of the filter 50 so that both filter surfaces 52A and 52B can be opened to the left and right from the near side as shown in FIG. I have.
[0035]
FIGS. 2A and 2B show the filter surfaces 52A and 52B, respectively. In the filter surface 52B, a plurality of small openings 56 having a rectangular shape of about 1 to 3 mm on a side are formed. In the filter surface 52A, a plurality of large openings 57 each having a side of about 5 to 10 mm are formed about 3/4 from the near side to the back side and about 2/3 from the top side to the bottom side. A small opening 56 similar to the filter surface 52B is formed in the remaining portion.
[0036]
In the baffle 9A, a mesh 58 having the same size as the large opening 57 is formed on the side where the filter surfaces 52A and 52B are located when the filter 50 is mounted.
[0037]
FIG. 3A is a bottom view of the baffle 9A, and FIG. 3B is a view showing a cross section taken along a line AB in FIG. In order to obtain a good filter effect when the filter 50 is mounted on the baffle 9A, it is desirable to secure the areas of the filter surfaces 52A and 52B as large as possible. Therefore, the filter 50 is disposed so as to be located substantially at the center of the baffle 9A so as to match the maximum height dimension of the baffle 9A.
[0038]
On the other hand, in order to fix the baffle 9A to the inner peripheral surface of the drum 7, a claw 59 formed on the bottom of the baffle 9A is fitted into a fitting portion (not shown) provided on the drum 7 side, and the vicinity of the center of the baffle 9A It is effective to form the boss 60 and screw it from the outer peripheral side of the drum 7. In order to satisfy these requirements, in the baffle 9A, the boss 60 for screwing is formed at a position off the center (leftward in FIG. 3) avoiding the position where the baffle 9A is inserted. As a result, the cross-sectional shape of the baffle 9A is asymmetric in the left-right direction.
[0039]
By attaching the filter 50 to the baffle 9A as described above, it becomes possible to collect lint and the like floating in water by the following operation. As shown in FIG. 4A, when the rotation direction of the drum 7 is on the filter surface 52 </ b> A side of the filter 50, lint is collected by the filter 50 through the large opening 57. Then, if the water level inside the filter 50 decreases due to the movement of the baffle 9A, the lint moves to the bottom of the filter 50 where the small opening 56 is formed. On the other hand, when the rotation direction of the drum 7 is reversed, the filter effect of the filter 50 is hardly obtained, but the lint collected in the forward rotation is prevented from being discharged to the outside of the filter 50 as much as possible.
[0040]
Further, since the drum 7 is inclined downward toward the depth side in the axial direction (the direction in which the laundry is put), the water level at which the baffle 9A is injected into the inside of the drum 7 (for example, L1, L2 etc.), the filter 50 is in a state where the depth end side is deeper submerged. Accordingly, lint collected inside the filter 50 when the drum 7 rotates and the water level rises moves to the depth end side where only the small opening 56 is formed in the process of lowering the water level. The trapping effect is further enhanced.
[0041]
On the other hand, FIG. 7 is a block diagram showing an electrical configuration related to the present invention. The control device 40 constituting the control means of the present invention has a configuration including a microcomputer. The control device 40 includes signals from various operation input sections 33 of an operation panel, a water level sensor 41 for detecting a water level in the water tank 5, a rotation sensor 42 for detecting a rotation speed of the motor 14 for rotating the drum 7, and the like. Is entered. The control device 40 controls the motor 14 via an inverter circuit 43 based on these signals and a program provided in advance, and also outputs a buzzer 45, a display unit 34, It has a function of controlling the heater 21, the drain valve 22, the hot air heater 27 of the hot air generator 24, the fan motor 31, the water supply valve 46, and the like.
[0042]
Next, the operation of the present embodiment will be described with reference to FIG. FIG. 8 schematically illustrates the flow of washing, rinsing, and dehydrating operations by a drum-type washing machine, where (a) shows a water level injected into the drum 7 and (b) shows a rotation speed of the drum 7. And the direction of rotation. These are controlled by the control device 40. The forward rotation is defined as the direction of the filter surface 52B, and the reversal is defined as the direction of the filter surface 52A.
[0043]
Further, the washing course described below is executed when the user selects the “Lint collection mode”, and when the above-mentioned course is not selected, the washing course similar to the conventional one is executed. Is done. That is, since the amount of lint and the like generated by the drum type washing machine is originally smaller than that of the vertical type washing machine, some users or types of laundry do not feel the necessity of collecting lint and the like. This is because it is assumed in some cases.
[0044]
First, in (1) "washing" operation, the water level is any one of L1 to L3 shown in FIG. 5 according to the amount of laundry. Then, the rotation speed of the drum 7 is 50 rpm, and the rotation direction alternates between normal rotation and reversal (for example, normal rotation rotates 27 seconds and stops for 3 seconds, reversal rotates 27 seconds and stops for 3 seconds,...). ). In the following (2) "dehydration 1" operation, the rotation speed is 1000 rpm and the rotation direction is normal rotation.
[0045]
In the following (3) "Rinse 1" operation, in the case of a conventional drum-type washing machine, normal rotation and reversal are alternately repeated at the same water level as in (1) "Wash" operation. For 10 minutes, the water level is greatly increased to L4 shown in FIG. 5, the rotation speed is 50 rpm, and the rotation direction is reversed. That is, in general, a drum type washing machine is characterized in that washing can be performed with a smaller amount of water compared to a vertical washing machine. However, when collecting lint and the like with the filter 50, it is better to raise the water level. It is easy to release lint and the like adhering to objects. In the rinsing operation of the drum-type washing machine, the rinsing effect does not decrease even if the water level in the drum 7 is increased.
[0046]
The filter 50 is rotated in the direction of the filter surface 52 </ b> A where the large opening 57 is disposed only with the rotation direction reversed, so that lint and the like are taken in from the large opening 57 and collected by the filter 50. However, if the drum 7 is continuously rotated in one direction, the laundry may be entangled. Drainage is performed on the way, and during the last 5 minutes, normal rotation and reversal are alternately performed at the same water level as in "1""washing" operation. Repeat.
Thereafter, (4) "dehydration 2" and (5) "rinse 2" repeat the same pattern as (2) and (3), and (6) after "final dehydration" (same as (2)) until dehydration. End the process.
[0047]
In addition, the convex portion 7a formed on the back surface of the drum 7 has an action of scavenging water when the drum 7 rotates, and the scrubbed water is formed in accordance with the position of the convex portion 7a. Of the filter 50 along the baffle 9A. Therefore, the filter 50 also has an effect of enhancing the effect of collecting lint and the like.
[0048]
As described above, according to the present embodiment, in order to collect lint and the like inside the drum 7, the filter 50 having the plurality of large openings 57 and the small openings 56 on the two filter surfaces 50A and 50B, respectively. , Inside the baffle 9A. Therefore, it is possible to prevent the lint and the like once collected from being discharged again to the outside of the filter 50 as much as possible, thereby improving the collection efficiency.
[0049]
In addition, since the small opening 56 is disposed on the filter surface 50A at the back side in the washing direction, the water level due to the rotation axis of the drum 7 being inclined downward toward the back side in the washing direction. According to the relationship, it is possible to prevent the lint and the like once collected from being released to the outside of the filter 50 again, and to further improve the collection efficiency.
[0050]
Further, since the water level in the drum 7 during the rinsing operation is set to be higher than the water level during the washing operation, the lint and the like adhering to the laundry are easily released, so that the filter 50 during the rinsing operation is used. The collection efficiency of lint and the like by the above can be improved.
[0051]
Since the rotation direction of the drum 7 during the rinsing operation is set to one direction in which the filter surface 52A of the filter 50 is arranged, more lint and the like are collected by the large opening 57 of the filter surface 52A during the rinsing operation. can do. In addition, after performing the rinsing operation with the rotation direction of the drum 7 as one direction, the water level in the drum 7 is lowered, the rotation direction is reversed, and the rinsing operation is further performed. Entanglement can be prevented.
[0052]
In addition, since the above-described rinsing operation can be selectively executed, if the user wants to prioritize saving the amount of water used rather than collecting lint or the like using the filter 50, Alternatively, the same rinsing operation as usual can be performed.
[0053]
In addition, since the mesh 58 for forming a filter function is also formed on the baffle 9A, a filter effect can be obtained with the baffle 9A before the filter 50 collects lint and the like. Since the baffle 9A has an asymmetrical cross-sectional shape in the radial direction with respect to the mounting position of the filter 50, a good filter effect by the filter 50 can be obtained, and the baffle 9A is fixed to the inner peripheral surface of the drum 7. Can be formed inside the baffle 9A.
[0054]
Further, the filter 50 is configured to be detachable from the baffle 9A, and the operation unit 53 for attaching and detaching the filter 50 is provided on the front side in the washing direction, so that the user can easily remove the filter 50 from the baffle 9A. Cleaning can be performed. Further, since the filter 50 has the hinge 55 so that the main body can be opened and closed, it is possible to easily remove lint and the like collected inside the filter 50. Further, since the filter 50 is configured to be attached and detached from the upper surface side of the baffle 9A and to close the upper surface portion 54 of the baffle 9A when the filter 50 is attached, lint and the like collected by the filter 50 are discharged from the upper surface portion 54. Can be prevented.
[0055]
In addition, each baffle 9 was arranged at the position of the convex portion 7a formed on the back surface of the drum 7 for reinforcement. That is, the convex portion 7a also performs the same operation as the baffle 9 on the laundry located on the back side of the drum 7, so that the washing operation can be further improved. In addition, the water pumped up by the convex portion 7a also has an effect of guiding the water along the baffle 9A to the filter 50, so that the filter 50 has an effect of improving the efficiency of collecting lint and the like.
[0056]
The present invention is not limited to the embodiment described above and illustrated in the drawings, and the following modifications or extensions are possible.
The opening of the filter surface 52B may be formed in the same pattern as the filter surface 52A.
Only the large opening 57 may be arranged on the filter surface 52A.
The mesh 58 disposed on the baffle 9A may be provided as needed.
The filter 50 does not necessarily need to be configured so that the main body can be opened and closed, and may be simply formed in a box shape.
The filter 50 does not necessarily need to be configured to be detachable from the baffle 9A, and may be configured integrally.
In the latter half of the rinsing operation, the same rinsing operation as in the related art may be performed as needed.
When performing the rinsing operation by raising the water level, the sizes of the openings formed in the two filter surfaces may be the same.
The “lint collection course” does not need to be performed selectively, but may be performed in a fixed manner.
[0057]
【The invention's effect】
According to the drum-type washing machine of the first aspect, in the box-shaped filter arranged inside the baffle, a plurality of openings having different sizes are formed on two filter surfaces located in the direction in which the drum rotates. When the drum rotates in the direction of the filter surface where the larger opening is provided, lint and the like floating in the water are collected inside the filter via the large opening, and the rotation direction is reversed. In this case, the lint and the like once collected will not be released again to the outside of the filter. Therefore, the collection efficiency of lint and the like can be improved.
[0058]
According to the drum-type washing machine according to the second aspect, the drum is provided with the rotating shaft inclined downward with respect to the direction of loading the laundry, and the box-shaped inside of the baffle disposed on the inner peripheral surface of the drum. Of the plurality of openings arranged on the two filter surfaces of the filter, the one located on the back side in the loading direction of the laundry is more open area than the one located on the front side in the loading direction. Was formed to be small. Therefore, it is possible to prevent the lint and the like once collected from being discharged again to the outside of the filter due to the relationship with the water level in the drum, and to improve the efficiency of collecting lint and the like.
[0059]
According to the drum-type washing machine according to claim 3, a box-shaped filter is arranged inside the baffle, and the water level in the drum during the rinsing operation is set to be higher than the water level during the washing operation. During the rinsing operation, the efficiency of collecting lint and the like by the filter can be increased.
[Brief description of the drawings]
FIG. 1 is an embodiment of the present invention, wherein (a) is a perspective view showing a state in which a filter is mounted on a baffle, and (b) and (c) show the filter and baffle in a separated state, respectively. FIG. 2 (a) and FIG. 2 (b) are perspective views respectively showing filter surfaces arranged on both sides of the filter. FIG. 3 (a) is a perspective view showing a state where the filter body is opened. FIG. 4B is a bottom view of the baffle, and FIG. 4B is a cross-sectional view taken along the line AB in FIG. 4A. FIG. 4 is a view for explaining an operation of collecting lint and the like by a filter according to the relationship between the baffle and the water level. 5 is a vertical sectional side view showing the entire configuration of the drum type washing machine. FIG. 6 is a front view showing the arrangement relationship between the convex portion formed on the back surface of the drum and the baffle. FIG. 7 is an electrical configuration of the drum type washing machine. FIG. 8: Flow of washing, rinsing, and dehydrating operations by a drum-type washing machine The intended to illustrate schematically, (a) water level to be water injection to the drum, (b) the figure [EXPLANATION OF SYMBOLS] indicating the rotational speed and rotational direction of the drum
7 is a drum, 9A is a baffle, 50 is a filter, 52A and 52B are filter surfaces, 53 is an operation unit, 54 is an upper surface, 55 is a hinge, 56 is a small opening, 57 is a large opening, and 58 is a mesh. .

Claims (13)

A water tank arranged inside the outer box,
A drum that is rotatably disposed in a horizontal axis state in the water tank and stores laundry therein;
A baffle arranged along the axial direction on the inner peripheral surface of the drum,
A box-shaped filter arranged inside the baffle,
The drum type washing machine according to claim 1, wherein the filter has a plurality of openings having different sizes on two filter surfaces positioned in a direction in which the drum rotates. A water tank arranged inside the outer box,
A drum that is rotatably disposed in a horizontal axis state in the water tub, stores laundry therein, and has a rotating shaft that is inclined downward with respect to the direction of loading the laundry;
A baffle arranged along the axial direction on the inner peripheral surface of the drum,
A box-shaped filter arranged inside the baffle,
The filter has a plurality of openings on two filter surfaces located in a direction in which the drum rotates, and an opening located on the back side in the loading direction of the laundry is located on the near side in the loading direction. A drum type washing machine characterized in that an opening area is formed smaller than an opening. A water tank arranged inside the outer box,
A drum that is rotatably disposed in a horizontal axis state in the water tank and stores laundry therein;
A baffle arranged along the axial direction on the inner peripheral surface of the drum,
A box-shaped filter that is disposed inside the baffle and has a plurality of openings on each of two filter surfaces located in a direction in which the drum rotates,
A drum type washing machine wherein a water level in the drum during a rinsing operation is set to be higher than a water level during a washing operation. The drum type washing machine according to claim 3, wherein the filters are formed such that the opening areas of the openings provided on the two filter surfaces are different from each other. The drum-type washing machine according to claim 4, wherein the rotation direction of the drum during the rinsing operation is one direction in which the opening having a large area is arranged in the filter. 6. The drum according to claim 5, wherein after performing the rinsing operation with the rotation direction of the drum being one direction, the rinsing operation is further performed by lowering the water level in the drum and alternately reversing the rotation direction of the drum. Type washing machine. The drum-type washing machine according to any one of claims 3 to 6, wherein a rinsing operation in which a water level in the drum is changed from a water level during the washing operation can be selectively performed. The drum type washing machine according to any one of claims 1 to 7, wherein a mesh for performing a filter function is also formed on the baffle. The drum-type washing machine according to any one of claims 1 to 8, wherein a radial cross section of the baffle is asymmetric with respect to a mounting position of the filter. 10. The filter according to claim 1, wherein the filter is configured to be attachable to and detachable from the baffle, and an operation unit for attaching and detaching the filter is provided on the front side in the washing direction. A drum-type washing machine as described. The drum-type washing machine according to claim 10, wherein the filter has a hinge portion so that the main body can be opened and closed. The drum type washing machine according to claim 10 or 11, wherein the filter is configured to be attached and detached from an upper surface side of the baffle and to close the upper surface portion of the baffle when the filter is attached. The drum type washing machine according to any one of claims 1 to 12, wherein the baffle is arranged at a position of a convex portion formed for reinforcement on a back surface of the drum.

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