JP7289038B2 - drum washing machine - Google Patents

Description

TECHNICAL FIELD The present invention relates to a drum-type washing machine for washing laundry accommodated in a rotating drum.

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

FIG. 6 shows an enlarged cross-sectional view around a packing member of a conventional drum-type washing machine described in Patent Document 1. As shown in FIG.

In FIG. 6, a circular front plate opening corresponding to the drum opening of the rotating drum 34 is provided in the front plate 43 located inside the panel member 37, which is the member on the front side constituting the main body (not shown). A portion 44 is formed. The front plate 43 is covered with the panel member 37 on the front side.

A water tank 35 is included in the rotating drum 34 . The water tank opening 45 of the water tank 35 is arranged inside the opening member 38 having the front opening 38a for putting in clothes, and at a position facing the front plate opening 44 of the front plate 43 . A gap between the water tank opening 45 of the water tank 35 and the front plate opening 44 of the front plate 43 is sealed with an annular cylindrical packing member 46 made of an elastic material such as rubber to prevent the main body from passing through the gap. Prevents water from entering inside.

When the lid 39 is closed, the outer periphery of the inner lid 53 abuts against the inner peripheral surface of the lip portion 46a of the packing member 46 to seal the two. and prevent steam leakage.

The water tank 35 side of the packing member 46 is attached to the outer periphery of the water tank opening 45 and fixed by a wire 52 . A flange portion 46 b is provided on the front plate 43 side of the packing member 46 . The flange portion 46b is clamped and fixed between the concave portion 43a provided in the front plate 43 and the convex portion 47a provided in the mounting plate 47 by screwing the mounting plate 47 to the front plate 43 from the front surface with screws 51. be.

JP 2005-143795 A

However, in the above-described conventional configuration, as shown in FIG. 7, small laundry items 19 such as children's socks jump out of the rotary drum 34 during washing, ride on the packing member 46, and the packing member 46 is removed. There is a problem that the laundry 19 may not be washed, dehydrated, or dried.

SUMMARY OF THE INVENTION The present invention is intended to solve the above conventional problems, and to provide a drum-type washing machine that suppresses the problem that the laundry is stuck on the packing member during or after washing. With the goal.

In order to solve the above-mentioned problems, the drum-type washing machine of the present invention comprises a main body having a front panel member disposed on the front side, and a water tank opening provided on the front side, which is elastically supported in the main body so as to be swingable in the main body. A water tank, a rotating drum rotatably contained in the water tank and provided with a drum opening on the front side, a motor for rotating the rotating drum, and a front opening provided substantially in the center of the front panel member. a front plate provided inside the front panel member and having a front plate opening; a lid body that covers the front plate opening so as to be openable and closable; and the front plate opening provided in the lid body. and an annular cylindrical packing member made of an elastic material connected between the front plate opening and the water tank opening, wherein the packing member includes the drum opening A protruding rib portion is formed on the inner peripheral side of the portion , and the protruding rib portion is divided and formed at the lowermost portion of the substantially central portion .

As a result, it is possible to prevent the laundry from jumping out from the side of the rotating drum, riding on the packing member, and staying on the packing member, and also preventing water from remaining on the convex rib portion. It is possible to prevent water from adhering to the laundry again when the laundry is taken out after washing .

In the drum-type washing machine of the present invention, by adding ribs to the packing member near the inlet of the rotating drum, it is possible to prevent the laundry from remaining on the packing member and prevent water from accumulating on the convex rib portion. It is possible to prevent the laundry from remaining in the state, and prevent water from reattaching to the laundry when the laundry is taken out after the washing is completed.

1 is an external perspective view of a drum-type washing machine according to an embodiment of the present invention; Longitudinal cross-sectional view of the same drum-type washing machine Enlarged cross-sectional view around the packing member of the same drum-type washing machine (a) View from arrow A in FIG. 3 (b) View from arrow B in FIG. Sectional drawing of the state in which the laundry of the drum-type washing machine is riding on the packing member. Enlarged cross-sectional view around a packing member of a conventional drum-type washing machine Sectional drawing of the state in which the laundry of the drum-type washing machine is riding on the packing member.

A first invention comprises a main body having a front panel member disposed on the front side, a water tank elastically supported in the main body and provided with a water tank opening on the front side, and a water tank rotatably contained in the water tank. a rotating drum having a drum opening on the front side; a motor for rotating the rotating drum; an opening member provided substantially in the center of the front panel member and having a front opening; a front plate having a front plate opening provided on the side thereof; a lid body that covers the front plate opening so as to be openable and closable; an inner lid that is provided on the lid body and protrudes inward from the front plate opening; An annular cylindrical packing member made of an elastic material is provided between the opening of the front plate and the opening of the water tank, and the packing member is formed with a convex rib portion on the inner peripheral side of the opening of the drum. The protruding rib portion is formed by dividing it at the lowermost portion of the substantially central portion .

As a result, it is possible to prevent small articles of laundry such as socks for children from jumping out from the side of the rotary drum during or after washing, riding on the packing member, and remaining on the packing member . It is possible to prevent water from remaining in the protruding rib portion and to prevent water from adhering to the laundry again when the laundry is taken out after washing is completed.

In the second invention, particularly, the convex rib portion of the first invention is formed in a substantially vertical shape on the rotating drum side.

As a result, the convex rib portion acts as a barrier for small articles of laundry protruding from the side of the rotating drum, and can prevent the small articles of laundry from remaining on the packing member.

In a third aspect of the invention, in particular, the convex rib portion of the first or second aspect of the invention is provided in a range corresponding to at least the lower semicircle of the drum opening.

As a result, the convex rib portion acts as a barrier for the small laundry, and the small laundry does not move toward the inner lid, only in response to the possibility that the small laundry may actually jump out from the side of the rotating drum to the side of the inner lid. can be prevented from staying.

In a fourth aspect of the invention, the packing member according to any one of the first to third aspects of the invention has a substantially cylindrical portion extending rearward from the front plate opening and formed on the inner circumference of the front end portion of the substantially cylindrical portion, A lip portion that abuts against the inner lid when the lid body is closed, and a flexible bulge that bulges to the outer peripheral side by folding forward and outward from the vicinity of the rear end of the substantially cylindrical portion and connects with the opening of the water tank. and a part.

This makes it possible to maintain the sealing performance.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the drawings. It should be noted that the present invention is not limited by this embodiment.

(Embodiment 1)
FIG. 1 is an external perspective view of a drum-type washing machine according to an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of the same drum-type washing machine.

In FIGS. 1 and 2, the main body 1 has a front surface with a gentle upward curved surface, divided left and right side plates 2 made of sheet metal, a detachable rear plate 3, and a plurality of connecting plates made of sheet metal that connect the left and right side plates 2. (partially described later), the top plate 4 and the front panel member 5 made of synthetic resin. Above the front panel member 5, there is provided an operation panel 8 having a switch operation section 6 for making various settings and a display section 7 for displaying the set contents.

Inside the main body 1, a water tank 9 is elastically supported to be swingable by a suspension structure (not shown). A rotary drum 10 formed in a cylindrical shape with a bottom is rotatably supported in the water tank 9 with its axial direction inclined 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 has a plurality of baffles 11 for stirring the laundry protruding from the inner periphery. The rotating drum 10 is rotated in forward and reverse directions by a motor 12 attached to the back side of the water tank 9 .

A water supply line 13 and a water discharge line 14 are connected to the water tank 9, and water is supplied to and discharged from the water tank 9 by controlling a water supply valve and a water discharge valve (not shown).

During the washing operation, the laundry stored in the rotary drum 10 is lifted upward by the baffle 11, separated from the baffle 11 at a predetermined position, and dropped onto the surface of the water accumulated in the rotary drum 10. "Tataki-wash" is done.

A 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. A drum opening 10 b of the rotating drum 10 faces the opening member 15 . A front opening 15a of the opening member 15 is opened and closed by a lid body 16 having an inner lid 16a made of a hard transparent material (for example, glass material) inside. The inner lid 16a has a shape protruding toward the rotary drum 10, and is configured to incline toward the center as it goes deeper.

A circular front plate opening 17a is formed in the front plate 17 positioned inside the front panel member 5 among the plurality of connecting plates constituting the main body 1 so as to correspond to the drum opening 10b of the rotary drum 10. be. The front plate 17 is covered with the front panel member 5 on the front side. The inner lid 16a protrudes toward the inner side of the rotary drum 10 from the front plate opening 17a.

The water tank opening 9a of the water tank 9 is positioned inside the opening member 15 having the front opening 15a for putting in the laundry and facing the front plate opening 17a of the front plate 17. As shown in FIG. The space 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 cylindrical packing member 18 made of an elastic material such as rubber. It prevents leakage from 9 into the main body 1.

A lip portion 18 a is formed on the inner periphery of the packing member 18 , and the lip portion 18 a protrudes toward the inner periphery of the front plate opening 17 a of the front plate 17 . When the lid 16 is closed, the lip portion 18a abuts against the outer periphery of the inner lid 16a on the inner side of the lid 16 to form a watertight seal. Prevent steam leaks.

3 is an enlarged cross-sectional view of the periphery of the packing member of the drum-type washing machine according to the embodiment of the present invention, FIG. 4(a) is a view in the direction of arrow A in FIG. It is an arrow view.

Note that the lip portion 18a that is deformed for sealing is shown in its natural state before being deformed.

As shown in FIGS. 3, 4A, and 4B, the packing member 18 includes a substantially cylindrical portion 18b extending rearward from the front plate opening 17a of the front plate 17, and a front end portion of the substantially cylindrical portion 18b. a lip portion 18a formed on the inner periphery of the cylindrical portion 18b; and a flexible bulging portion 18c that bulges outward from the vicinity of the rear end of the substantially cylindrical portion 18b and is connected to the water tank opening 9a. formed from

The lip portion 18a protrudes toward the inner peripheral side of the front plate opening 17a of the front plate 17, and contacts the outer peripheral surface of the inner lid 16a on the inner side of the lid 16 when the lid 16 is closed. A watertight seal is provided to prevent leakage of water and steam from the outer periphery of the lid 16 .

A convex rib portion 18d having a substantially triangular cross section is formed on the inner peripheral side of the substantially cylindrical portion 18b of the packing member 18 toward the drum opening portion 10b side of the rotary drum 10 . The protruding rib portion 18d is formed on a substantially vertical surface portion 18e on the side of the drum opening 10b, and on the side of the front plate opening 17a on the inclined surface portion 18f that inclines backward toward the inner periphery.

In the present embodiment, the convex rib portion 18d has a height e of 10 mm from the inner surface of the substantially cylindrical portion 18b. The height e of the convex rib portion 18d of 10 mm is set to a height that does not contact the inner lid 16a when the lid body 16 is closed and provides a gap. Further, the convex rib portion 18d is spaced apart from the drum opening portion 10b of the rotary drum 10 by about the dimension h. The dimension h is set to 10 mm, for example, in this embodiment.

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 of the convex rib portion 18d and the inner lid 16a is set to 10 mm in this embodiment. This prevents the convex rib portion 18d from coming into contact with the lid 16 when the lid 16 is opened and closed, giving the user a sense of discomfort, and from affecting the sealing performance between the lip portion 18a and the inner lid 16a.

Since the laundry falls downward due to its own weight, the convex rib portion 18d does not need to be provided on the entire circumference of the substantially cylindrical portion 18b of the packing member 18. As shown in FIG. It may be provided in the range of the lower semicircle of 10b.

The protruding rib portion 18d is formed at the lowermost portion of the substantially central portion so as to be divided into right and left portions when viewed from the front, and a gap portion 18g is formed at the lowermost portion. This prevents water from remaining in the protruding rib portion 18d after washing, and prevents water from adhering to the laundry again when the laundry is taken out after washing is finished.

The operation and function of the drum-type washing machine constructed as described above will now be described.

FIG. 5 is a cross-sectional view showing a state in which small articles of laundry are riding on the packing member in the drum-type washing machine according to the embodiment of the present invention.

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 small laundry items 19 such as children's socks jump out from the rotary drum 10 during operation, the small item laundry items 19 may enter between the inner lid 16a and the packing member 18. try

At this time, a protruding rib portion 18d having a substantially triangular cross section provided on the drum opening portion 10b side of the rotary drum 10 on the inner peripheral side of the substantially cylindrical portion 18b of the packing member 18 serves as a barrier, and the small articles 19 are washed. is prevented from entering the back side between the inner lid 16a and the packing member 18. - 特許庁In particular, since the protruding rib portion 18d has a substantially vertical surface portion 18e on the side of the drum opening 10b, it is possible to strongly prevent small articles of laundry 19 from entering.

When part of the small laundry 19 is in contact with the rotating drum 10, which is a movable part, it is drawn into 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

In Embodiment 1, the protruding rib portion 18d is spaced apart from the drum opening portion 10b of the rotating drum 10 by a dimension h (for example, 10 mm). Even if it is provided at the position closest to the drum opening 10b, the same effects as those described above can be obtained.

As described above, in the present embodiment, the annular cylindrical 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 connected to the front plate opening 17a. a substantially cylindrical portion 18b extending rearward from the substantially cylindrical portion 18b; a lip portion 18a formed on the inner periphery of the front end portion of the substantially cylindrical portion 18b and abutting against the inner lid 16a when the lid body 16 is closed to seal watertightly; A flexible bulging portion 18c that bulges outward from the vicinity of the rear end of the portion 18b and is connected to the water tank opening 9a is provided by folding forward and outward, and a drum opening is provided on the inner peripheral side of the substantially cylindrical portion 18b. A convex rib portion 18d having a substantially triangular cross section is formed on the portion 10b side.

As a result, the small laundry 19 such as socks for children jumps out from the side of the rotating drum 10 during washing or at the end of washing, completely rides on the packing member 18, stays on the packing member 18, and the laundry is washed. It is possible to prevent problems such as not being washed, not being dehydrated, and not being dried.

The protruding rib portion 18d has a substantially vertical surface portion 18e on the side of the drum opening 10b and an inclined surface portion 18f on the side of the front plate opening 17a. It is configured.

As a result, it is possible to prevent the small articles of laundry 19 from staying on the side of the inner lid 16a as a barrier against the small articles of laundry 19 jumping out from the side of the rotating drum 10 toward the side of the inner lid 16a.

The convex rib portion 18d is provided at least in a range corresponding to the lower semicircle of the drum opening portion 10b.

As a result, the small laundry 19 is placed on the side of the inner lid 16a as a barrier for the small laundry 19 only in response to the possibility that the small laundry 19 actually jumps out from the side of the rotating drum 10 to the side of the inner lid 16a. You can prevent staying.

The protruding rib portion 18d is configured to be divided into left and right portions in a front view at the lowermost portion of the substantially central portion.

As a result, it is possible to prevent water from remaining in the protruding rib portion 18d, and to prevent water from adhering to the laundry again when the laundry is taken out after washing is completed.

In the drum-type washing machine according to the present invention, by providing the packing member with the convex rib portion, the laundry of small items jumps out from the side of the rotating drum, rides on the packing member, stays on the packing member, and operates. Since it is possible to prevent the troubles that the small laundry is not washed, not dehydrated, and not dried at the end, it can be applied to other washing machines such as a vertical type washing/drying machine.

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 16a inner lid 17 front plate 17a front plate opening 18 packing member 18a lip 18b omission Cylindrical portion 18c Swelling portion 18d Convex rib portion 18e Substantially vertical surface portion 18f Inclined surface portion

Claims (4)

A main body having a front panel member disposed on the front side, a water tank elastically supported in the main body and provided with a water tank opening on the front side, and a drum opening rotatably contained in the water tank on the front side. a rotating drum provided with, a motor for rotationally driving the rotating drum, an opening member provided substantially in the center of the front panel member and provided with a front opening, and a front plate provided inside the front panel member a front plate having an opening; a lid that can open and close the front plate opening; an inner lid that is provided on the lid and protrudes inward from the front plate opening; an annular cylindrical packing member made of an elastic material and connected to the opening of the water tank; the packing member has a convex rib formed on the inner peripheral side of the drum opening; is a drum-type washing machine that is divided at the lowest part of the central part . 2. The drum-type washing machine according to claim 1, wherein the convex rib portion is formed in a substantially vertical shape on the rotating drum side. 3. The drum-type washing machine according to claim 1, wherein said convex rib portion is provided in a range corresponding to at least a lower semicircle of said drum opening. The packing member includes a substantially cylindrical portion extending rearward from the opening of the front plate, and a lip portion formed on the inner periphery of the front end portion of the substantially cylindrical portion and abutting against the inner lid when the lid body is closed. and a flexible bulging portion that bulges outward from the vicinity of the rear end of the substantially cylindrical portion and bulges outward to connect with the opening of the water tank. Described drum-type washing machine.

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