WO2021014844A1

WO2021014844A1 - Drum-type washing machine

Info

Publication number: WO2021014844A1
Application number: PCT/JP2020/024001
Authority: WO
Inventors: 正尚瀬川; 功一八木; 松岡　真二
Original assignee: パナソニックＩｐマネジメント株式会社
Priority date: 2019-07-23
Filing date: 2020-06-18
Publication date: 2021-01-28
Also published as: JP7289038B2; CN113994040A; JP2021016657A; TW202106945A

Abstract

According to the present invention, a packing member (18) has: a cylindrical part (18b) extending rearward from a front surface plate opening (17a); a lip part (18a) that is formed in the inner periphery of the front end section of the cylindrical part (18b) and makes contact with and watertightly seals an inner lid (16a) when a lid body (16) is closed; and a flexible bulging part (18c) that bulges toward the outer peripheral side by being folded forward and outward from a rear end vicinity of the cylindrical part (18b) and is connected to a water tank opening (9a). Furthermore, the packing member (18) forms, on the inner periphery of the cylindrical part (18b), a protruding lip part (18d) that protrudes from the inner periphery of the drum opening (10b) so as to approach the rotational shaft of a rotary drum (10). With this configuration, it is possible to prevent trouble in which small laundry runs out from the rotary drum (10) while washing or when completing washing laundry and rides over the packing member (18) and stays on the packing member (18).

Description

Drum type washing machine

The present disclosure relates to a drum-type washing machine for washing laundry housed in a rotating drum.

Conventionally, this type of drum-type washing machine corresponds to the opening of the rotating drum in order to prevent the water stored in the water tank from leaking to the inside or the outside of the washing machine body during washing and dehydration. A configuration has been proposed in which a packing member for connecting them is provided between the opening of the water tank and the opening provided on the front surface of the main body (see, for example, Patent Document 1).

FIG. 6 is an enlarged cross-sectional view of the vicinity of the packing member of the conventional drum type washing machine.

In FIG. 6, the front plate 43 located inside the panel member 37, which is a member on the front side constituting the main body (not shown), has a circular front plate opening corresponding to the drum opening of the rotating drum 34. Part 43a is formed. The front surface of the front plate 43 is covered with the panel member 37. In FIG. 6, the rotation axis of the rotating drum 34 exists in the upper part of the drawing so as to extend substantially in the left-right direction.

The water tank 35 includes the rotating drum 34. The water tank opening 35a of the water tank 35 is arranged inside the opening member 38 having the front opening 38a for throwing clothes, and at a position facing the front plate opening 43a of the front plate 43. The gap between the water tank opening 35a of the water tank 35 and the front plate opening 43a of the front plate 43 is sealed with an annular tubular packing member 46 made of an elastic material such as rubber, and the main body through the gap. Prevents water from entering the inside.

With the lid 39 closed, the outer periphery of the inner lid 53 abuts on the inner peripheral surface of the lip portion 46a of the packing member 46, and is configured to seal between the two, and water from the outer periphery of the lid 39. And prevent steam leakage.

The end of the packing member 46 on the water tank 35 side is attached to the outer peripheral portion of the water tank opening 35a and fixed by the wire 52. A flange portion 46b is formed at the end portion of the packing member 46 on the front plate 43 side. By fixing the mounting plate 47 from the front surface to the front plate 43 with screws 51, the flange portion 46b of the packing member 46 is formed by the concave portion 43b provided on the front plate 43 and the convex portion 47a provided on the mounting plate 47. , Hold and fix.

Japanese Unexamined Patent Publication No. 2005-143795

However, in the conventional configuration, as shown in FIG. 7, a small laundry 19 such as a child's sock jumps out from the inside of the rotating drum 34 and rides on the packing member 46 to ride on the packing member 46. There is a problem that the laundry 19 stays on the 46 and may not be washed, dehydrated, or dried.

The present disclosure provides a drum-type washing machine that suppresses a problem that the laundry stays on the packing member during or at the end of washing.

The drum-type washing machine of the present disclosure includes a main body in which a front panel member is arranged on the front side, a water tank that is elastically supported in the main body and has a water tank opening on the front side, and a water tank that is rotatable. A rotary drum having a drum opening on the front side thereof and a motor for rotationally driving the rotary drum are provided. Further, the opening member provided in the substantially central portion of the front panel member and provided with the front opening, the front plate provided inside the front panel member and having the front plate opening, and the front plate opening are openably covered. An annular tubular packing member made of an elastic material connected between the lid body, the inner lid provided on the lid body and projecting inward of the front plate opening, and the front plate opening and the water tank opening. To be equipped. Further, the packing member is formed with a convex rib portion protruding from the inner circumference of the drum opening so as to approach the rotation axis of the rotating drum in the vicinity of the drum opening.

With this configuration, it is possible to prevent the laundry from jumping out of the inside of the rotating drum, riding on the packing member, and staying on the packing member.

In the drum type washing machine of the present disclosure, it is possible to prevent the laundry from staying on the packing member by adding ribs to the packing member near the rotating drum inlet.

FIG. 1 is an external perspective view of the drum type washing machine according to the embodiment. FIG. 2 is a vertical cross-sectional view of the drum type washing machine according to the embodiment. FIG. 3 is an enlarged cross-sectional view of the periphery of the packing member of the drum-type washing machine according to the embodiment. FIG. 4A is a view taken along the arrow A in FIG. FIG. 4B is a view taken along the line B in FIG. FIG. 5 is a cross-sectional view of a state in which the laundry of the drum-type washing machine according to the embodiment is mounted on the packing member. FIG. 6 is an enlarged cross-sectional view of the periphery of the packing member of the conventional drum type washing machine. FIG. 7 is a cross-sectional view of a state in which the laundry of the drum type washing machine is mounted on the packing member.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to this embodiment.

(Embodiment)
FIG. 1 is an external perspective view of the drum type washing machine according to the embodiment. FIG. 2 is a vertical cross-sectional view of the drum type washing machine according to the embodiment.

In FIGS. 1 and 2, the main body 1 has a gently upward receding curved surface on the front surface, and is made of a plurality of sheet metal pieces for connecting the divided left and right side plates 2 made of sheet metal, the removable back plate 3, and the left and right side plates 2. It has a connecting plate (partially described later), a top plate 4 made of synthetic resin, a front panel member 5, and the like. Above the front panel member 5, an operation panel 8 is provided in which a switch operation unit 6 for making various settings and a display unit 7 for displaying the set contents are arranged.

Inside the main body 1, the water tank 9 is elastically supported by a suspension structure (not shown) so as to be swingable. In the water tank 9, a rotating drum 10 formed in a bottomed cylindrical shape is rotatably supported by inclining the axial direction of the rotating shaft downward from the front side to the back side.

The peripheral wall of the rotating drum 10 has a large number of holes 10a, and a plurality of baffles 11 for stirring laundry are projected from the inner circumference. The rotary drum 10 is rotationally driven in the forward and reverse directions by a motor 12 attached to the back surface side of the water tank 9.

A water supply pipe line 13 and a drainage pipe line 14 are connected to the water tank 9, and water is supplied and drained into the water tank 9 by controlling a water supply valve and a drain valve (not shown).

Then, during the washing operation, the laundry stored inside the rotating drum 10 is lifted upward by the baffle 11, peeled off from the baffle 11 at a predetermined position, and dropped onto the water surface stored in the rotating drum 10. So-called "tapping" is done.

The curved front panel member 5 on the front side of the main body 1 is provided with an opening member 15 having a front opening 15a for loading laundry. The drum opening 10b of the rotating drum 10 faces the opening member 15. The front opening 15a of the opening member 15 is opened and closed by a lid 16 having an inner lid 16a of a hard transparent material (for example, a glass material) inward. The inner lid 16a has a shape protruding toward the rotating drum 10, and is formed so as to incline toward the center toward the back.

Of the plurality of connecting plates constituting the main body 1, the front plate 17 located inside the front panel member 5 is formed with a circular front plate opening 17a corresponding to the drum opening 10b of the rotating drum 10. To. The front surface of the front plate 17 is covered with the front panel member 5. The inner lid 16a projects toward the inward side of the rotating drum 10 from the front plate opening 17a.

The water tank opening 9a of the water tank 9 is located inside the opening member 15 having the front opening 15a for loading laundry, and at a position facing the front plate opening 17a of the front plate 17. The distance between the water tank opening 9a of the water tank 9 and the front plate opening 17a of the front plate 17 is connected and sealed by an annular tubular packing member 18 made of an elastic material such as rubber, and water is sealed in the water tank. It prevents leakage from 9 into the main body 1.

A lip portion 18a is formed on the inner circumference of the packing member 18, and the lip portion 18a projects toward the inner circumference side of the front plate opening 17a of the front plate 17. The lip portion 18a is in contact with the outer periphery of the inner lid 16a of the lid 16 to be watertightly sealed with the lid 16 closed, and water and steam from the outer periphery of the lid 16 are sealed. Prevent it from leaking. The packing member 18 shown in FIG. 2 has a different shape from the packing member 18 shown in FIGS. 3 to 5. The packing member 18 shown in FIG. 2 mainly indicates an installation position in the main body 1 of the washing machine, and the shape of the packing member 18 is shown in FIGS. 3 to 5.

FIG. 3 is an enlarged cross-sectional view of the periphery of the packing member of the drum-type washing machine according to the embodiment. FIG. 4A is a view taken along the arrow A in FIG. FIG. 4B is a view taken along the line B in FIG.

The lip portion 18a that is deformed and sealed shows the natural state before deformation. Further, in FIG. 3, the rotation axis of the rotating drum 10 exists in the upper part of the drawing so as to extend substantially in the left-right direction.

As shown in FIGS. 3, 4A and 4B, the packing member 18 includes a cylindrical portion 18b extending rearward from the front plate opening 17a of the front plate 17 and a lip portion formed on the inner circumference of the front end portion of the cylindrical portion 18b. It is formed of 18a and a flexible bulging portion 18c that is connected to the bulging water tank opening 9a on the outer peripheral side by folding forward and outward from the vicinity of the rear end of the cylindrical portion 18b.

The lip portion 18a projects toward the inner peripheral side of the front plate opening 17a of the front plate 17, and in a state where the lid 16 is closed, comes into contact with the outer peripheral surface of the inner lid 16a on the inner side of the lid 16. Watertightly seals to prevent water and steam from leaking from the outer periphery of the lid 16.

On the inner peripheral side of the cylindrical portion 18b of the packing member 18, a convex rib portion 18d having a triangular cross section is formed in the vicinity of the drum opening 10b of the rotating drum 10. The convex rib portion 18d projects in the vicinity of the drum opening 10b so as to approach the rotation axis of the rotating drum 10 from the inner circumference of the drum opening 10b, and the surface close to the rotating drum 10 is the rotation axis of the rotating drum 10. A vertical surface portion 18e that is perpendicular to the front plate is formed, and an inclined surface portion 18f that inclines rearward as the surface close to the front plate opening 17a becomes the inner circumference. Further, in the present embodiment, the height e of the convex rib portion 18d from the inner surface of the cylindrical portion 18b is set to 10 mm. The height e of the

convex rib portion

18d, 10 mm, is set to a height having a gap without contacting the inner lid 16a with the lid 16 closed. Further, the convex rib portion 18d is provided at a distance of about dimension h from the drum opening 10b of the rotating drum 10. In the present embodiment, the dimension h is set to, for example, 10 mm.

The convex rib portion 18d is formed so as not to come into contact with the inner lid 16a when the lid 16 is closed. The minimum gap i between the tip portion of the convex rib portion 18d and the inner lid 16a is set to 10 mm in the present embodiment. As a result, the convex rib portion 18d does not come into contact with the lid 16 when the lid 16 is opened and closed, causing a sense of discomfort to the user, and the sealing performance between the lip portion 18a and the inner lid 16a is not affected.

Since the laundry falls downward due to its own weight, the convex rib portion 18d does not need to be formed on the entire circumference of the cylindrical portion 18b of the packing member 18, and as shown in FIG. 4B, at least below the drum opening 10b of the rotating drum 10. It may be formed in a range corresponding to the lower half circle of the packing member 18 in a range facing the semicircle.

The convex rib portion 18d is formed by being divided into left and right in front view at the lowermost portion of the central portion, and a gap portion 18g is formed at the lowermost portion. This prevents water from remaining in the convex rib portion 18d after the completion of washing, and prevents water from reattaching to the laundry when the laundry is taken out after the completion of washing.

The operation and operation of the drum-type washing machine configured as described above will be described below.

FIG. 5 is a cross-sectional view of the state in which the laundry of the drum-type washing machine according to the embodiment is mounted on the packing member.

When the washing operation and the drying operation are performed at the rated capacity, the inside of the rotating drum 10 is filled with laundry. Therefore, as shown in FIG. 5, when the small laundry 19 such as socks for children jumps out from the rotating drum 10 to the front side during operation, the small laundry 19 also enters between the inner lid 16a and the packing member 18. Try.

At this time, it is provided on the inner peripheral side of the cylindrical portion 18b of the packing member 18 so as to be near the drum opening 10b of the rotating drum 10 and closer to the rotation axis of the rotating drum 10 than the inner circumference of the drum opening 10b. The convex rib portion 18d having a triangular cross section serves as a barrier to prevent the small laundry 19 from entering the inner side between the inner lid 16a and the packing member 18. In particular, since the convex rib portion 18d has a vertical surface portion 18e whose surface close to the rotating drum 10 is perpendicular to the rotation axis of the rotating drum 10, it is possible to strongly prevent the small laundry 19 from entering. ..

When a part of the small laundry 19 is in contact with the rotating drum 10 which is a movable portion, it is pulled toward the rotating drum 10 side when the rotating drum 10 rotates, and moves from the packing member 18 to the rotating drum 10 side. It is possible to obtain the effect of the action.

In the present embodiment, the convex rib portion 18d is provided at a distance of about h (for example, 10 mm) from the drum opening 10b of the rotary drum 10, but the drum of the rotary drum 10 of the packing member 18 is provided. Even if it is provided at the position closest to the opening 10b, the same effect as described above can be obtained.

As described above, in the present embodiment, the annular tubular packing member 18 made of an elastic material such as rubber connected between the front plate opening 17a and the water tank opening 9a is the front plate opening 17a. A cylindrical portion 18b extending rearward from the surface, a lip portion 18a formed on the inner circumference of the front end portion of the cylindrical portion 18b, and a lip portion 18a that abuts on the inner lid 16a and watertightly seals when the lid 16 is closed, and after the cylindrical portion 18b. A flexible bulging portion 18c connected to the bulging water tank opening 9a is provided on the outer peripheral side by folding back from the vicinity of the end to the front and outward. Further, it projects in the vicinity of the drum opening 10b so as to approach the rotation axis of the rotating drum 10 from the inner circumference of the drum opening 10b, and the surface close to the rotating drum 10 is perpendicular to the rotation axis of the rotating drum 10. The vertical surface portion 18e is formed.

With this configuration, small laundry 19 such as children's socks pops out from the rotating drum 10 side during washing or at the end of washing, completely rides on the packing member 18, stays on the packing member 18, and is washed. It is possible to prevent problems such as things not being washed, dehydrated, and not dried.

The convex rib portion 18d is formed so that the drum opening 10b side is formed on the vertical surface portion 18e and the front plate opening 17a side is formed on the inclined surface portion 18f, and the convex rib portion 18d is formed so as not to come into contact with the inner lid 16a when the lid 16 is closed. It is said.

As a result, it is possible to prevent the small laundry 19 from staying on the inner lid 16a side as a barrier for the small laundry 19 that protrudes from the rotating drum 10 side to the inner lid 16a side.

The convex rib portion 18d is formed in a range corresponding to at least the lower half circle of the packing member 18 in a range facing the lower half circle of the drum opening 10b.

With this configuration, only where there is a possibility that the small laundry 19 actually pops out from the rotating drum 10 side to the inner lid 16a side, the small laundry 19 can be used as a barrier for the small laundry 19 on the inner lid 16a side. Can be prevented from staying.

The convex rib portion 18d is formed by being divided into left and right in front view at the lowermost portion of the central portion.

With this configuration, it is possible to prevent water from remaining accumulated in the convex rib portion 18d, and to prevent water from reattaching to the laundry when the laundry is taken out after the washing is completed.

As described above, the first disclosure is a main body in which a front panel member is arranged on the front side, a water tank that is elastically supported in the main body and has a water tank opening on the front side, and a water tank that rotates. It includes a rotary drum that is freely included and has a drum opening on the front side, and a motor that rotationally drives the rotary drum. Further, an opening member provided in the central portion of the front panel member and provided with a front opening, a front plate provided inside the front panel member having a front plate opening, and a lid that covers the front plate opening so as to be openable and closable. A body, an inner lid provided on the lid and protruding inward of the front plate opening, and an annular tubular packing member made of an elastic material connected between the front plate opening and the water tank opening. Be prepared. Further, the packing member is formed with a convex rib portion protruding from the inner circumference of the drum opening so as to approach the rotation axis of the rotating drum in the vicinity of the drum opening.

With this configuration, it is possible to prevent a problem that small laundry such as children's socks jumps out from the inside of the rotating drum, rides on the packing member, and stays on the packing member during or after washing. ..

In the second disclosure, in particular, the convex rib portion of the first disclosure may be formed so that the surface close to the rotating drum is perpendicular to the rotation axis of the rotating drum.

With this configuration, the convex rib portion acts as a barrier for small laundry that pops out from the inside of the rotating drum, and can prevent the small laundry from staying on the packing member.

In the third disclosure, in particular, the convex rib portion of the first disclosure may be formed in a range corresponding to at least the lower semicircle of the packing member.

With this configuration, only where there is a possibility that small laundry may actually pop out from the inside of the rotating drum to the inner lid side, the convex rib part acts as a barrier for small laundry, and small items are on the inner lid side. It is possible to prevent the laundry from staying.

In the fourth disclosure, in particular, the convex rib portion of the second disclosure may be formed in a range corresponding to at least the lower semicircle of the packing member.

The fifth disclosure may be formed by dividing the convex rib portion of any one of the first to fourth disclosures at the lowermost portion of the central portion.

With this configuration, it is possible to prevent water from remaining in the convex rib portion and prevent water from reattaching to the laundry when the laundry is taken out after washing.

In the sixth disclosure, the packing member of any one of the first to the fourth disclosures is formed on the inner circumference of the cylindrical portion extending rearward from the opening of the front plate and the front end portion of the cylindrical portion to close the lid. It may be provided with a lip portion that comes into contact with the inner lid in a state of being in contact with the inner lid, and a flexible bulging portion that bulges forward and outwards from the vicinity of the rear end of the cylindrical portion to connect with the opening of the water tank. ..

With this configuration, it is possible to maintain the sealing property.

In the seventh disclosure, the packing member of the fifth disclosure is formed on a cylindrical portion extending rearward from the opening of the front plate and on the inner circumference of the front end portion of the cylindrical portion, and hits the inner lid with the lid closed. It may be provided with a lip portion in contact and a flexible bulging portion connected to the opening of the swelling water tank on the outer peripheral side by folding forward and outward from the vicinity of the rear end of the cylindrical portion.

With this configuration, it is possible to maintain the sealing property.

In the drum type washing machine according to the present invention, by providing the packing member with a convex rib portion, small laundry pops out from the inside of the rotating drum, rides on the packing member, and stays on the packing member. Since it is possible to prevent problems such as the small laundry not being washed, dehydrated, and not dried at the end of operation, it can be applied to other washing machines such as a vertical washer / dryer.

1 Main body 5 Front panel member 9 Water tank 9a Water tank opening 10 Rotating drum 10b Drum opening 12 Motor 15 Opening member 15a Front opening 16 Lid body 16a Inner lid 17 Front plate 17a Front plate opening 18 Packing member

18a Lip part

18b Cylindrical Part

18c Protruding part 18d Convex rib part 18e Vertical surface part 18f Inclined surface part

Claims

A main body in which a front panel member is arranged on the front side, a water tank that is elastically supported in the main body and has a water tank opening on the front side, and a drum opening that is rotatably contained in the water tank and is included on the front side. A rotary drum provided with, a motor for rotationally driving the rotary drum, an opening member provided at the center of the front panel member and provided with a front opening, and a front plate opening provided inside the front panel member. A front plate having a portion, a lid that covers the front plate opening so as to be openable and closable, an inner lid that is provided on the lid and projects inward of the front plate opening, the front plate opening and the water tank. An annular tubular packing member made of an elastic material connected to the opening is provided, and the packing member has a protrusion protruding from the inner circumference of the drum opening so as to approach the rotation axis of the rotating drum. A drum-type washing machine in which a rib portion is formed in the vicinity of the drum opening.
The drum-type washing machine according to claim 1, wherein the convex rib portion is formed so that a surface close to the rotating drum is perpendicular to the rotating axis of the rotating drum.
The drum-type washing machine according to claim 1, wherein the convex rib portion is formed in a range corresponding to at least the lower half circle of the packing member.
The drum-type washing machine according to claim 2, wherein the convex rib portion is formed in a range corresponding to at least the lower half circle of the packing member.
The drum-type washing machine according to any one of claims 1 to 4, wherein the convex rib portion is formed by being divided at the lowermost portion of the central portion.
The packing member includes a cylindrical portion extending rearward from the front plate opening, a lip portion formed on the inner circumference of the front end portion of the cylindrical portion, and abutting the inner lid with the lid closed. The invention according to any one of claims 1 to 4, further comprising a flexible bulging portion that bulges forward and outward from the vicinity of the rear end of the cylindrical portion to the outer peripheral side and is connected to the water tank opening. Drum type washing machine.
The packing member includes a cylindrical portion extending rearward from the front plate opening, a lip portion formed on the inner circumference of the front end portion of the cylindrical portion, and a lip portion that comes into contact with the inner lid with the lid closed. The drum-type washing machine according to claim 5, further comprising a flexible bulging portion that bulges forward and outward from the vicinity of the rear end of the cylindrical portion to the outer peripheral side and is connected to the water tank opening.