JP2008054813A - Drum washing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drum washing machine suppressing damage of clothes, which is caused by abrasion against a vibration isolating rubber, breakage of the vibration isolating rubber, dropping of the clothes into a gap, or breakage of the clothes. <P>SOLUTION: The drum washing machine includes a washing machine casing 2, and the vibration isolating rubber 12 having a substantially cylindrical shape and connecting a vibrating portion such as a water tank 3 having a water tank opening portion 14 and a casing opening portion 1 to each other. An edge portion 27 of a center opening portion 22 of an annular covering member 11 composed of SUS (stainless steel) or the like is protruded from the water tank opening portion 14 toward the vibration isolating rubber 12 over the circumference of the water tank opening portion 14, so that the clothes is prevented from intruding into a swollen portion 21 of the vibration isolating rubber 12. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a drum-type washing machine that cleans laundry stored in a rotating drum by rotationally driving a rotating drum disposed in a water tank.

  Conventionally, in this type of drum type washing machine, since the rotating drum is arranged so that the rotation axis direction thereof is horizontal, it is necessary to bend down when putting in and out the laundry. When installed in a narrow space, it is often difficult to put in and out laundry, and there is a problem that is difficult to adapt to a small living environment. In order to solve the basic problem of the drum type washing machine, the inventors of the present invention are inclined at a predetermined angle so that the opening side of the rotating drum and the water tub containing the rotating drum is in an upward direction. There has been proposed a drum-type washing machine of an oblique drum type that is easy to use for all persons having different physiques and postures such as users (see, for example, Patent Document 1).

  Furthermore, the operation for putting the laundry in and out of the rotating drum can be made easier, and the inside of the rotating drum can be viewed from the door provided on the front surface of the washing machine casing so that no blind spot is generated. In order to prevent forgetting to take out the laundry, the laundry is a circular opening that leads to the door 32 of the water tank lid 31 that houses the rotating drum 30 as shown in the conventional example of FIG. The center C of the object entrance 33 is made to coincide with the rotation center axis R of the rotary drum 30.

  Further, the washing machine casing 34 is fixed, and the water tank lid 31 is supported in a vibration-proof manner by the washing machine casing 34 so as to be swingable.

  Since the rotating drum 30 rotates at the time of dehydration and washing, the water tank lid 31 swings up and down and left and right, but the washing machine housing 34 is connected to the vibrating portion of the water tank lid 31 and the rotating drum 30. They are connected by anti-vibration rubber 35.

  Further, since the rotating drum 30 rotates at a high speed, an annular gap 41 must be provided between the non-rotating portion of the water tank lid body 31. However, clothing or the like may be caught in the gap or small clothes may flow out. In order to prevent this, a substantially annular rib portion 35a is extended from the vibration-proof rubber 35 (see, for example, Patent Document 2).

In general, the tip 35b of the rib 35a on the rotary drum 30 side is configured to be close to the opening edge 30a of the rotary drum 30 in order to prevent clothes from flowing out.
JP 2005-137441 A Japanese Patent Laid-Open No. 10-211382

  However, in the above-described conventional configuration, the rib portion 35a of the vibration isolating rubber 35 hits the opening edge 30a of the water tank lid 31 when the rotating drum 30 rotates, and sounds are generated. There are problems such as deformation of the rib portion 35a and an increase in the gap, wear due to contact with clothing after long-term use, clothing being caught in the gap, clothing tearing, and the rib portion 35a being torn. It was.

  In addition, since the rib portion 35a is configured, the production mold of the vibration-proof rubber 35 is complicated, and it takes a long time to form, so that the productivity is poor.

  The present invention solves the above-described conventional problems, and does not constitute a rib from the vibration-proof rubber, but the vibration-proof rubber has a simple structure, and instead of the rib, the portion is made of a SUS (stainless steel) material. An object of the present invention is to provide a drum-type washing machine in which conventional problems are eliminated by configuring the parts with other parts such as the above.

  In order to solve the above-described conventional problems, the drum type washing machine of the present invention eliminates the substantially annular rib as in the conventional example configured in the vibration proof rubber connected to the washing machine casing and the vibration part. The part is composed of another part such as a SUS (stainless steel) material.

  As a result, the garment slips on the anti-vibration rubber ribs and the anti-vibration rubber breaks, or the anti-vibration rubber ribs deform and the gaps become non-uniform, or the dehydration process starts with the garments sandwiched in the gaps. In this case, it is possible to prevent the clothing and the anti-vibration rubber from rubbing, the clothing from being torn, and the anti-vibration rubber from being worn away. In addition, since the structure of the vibration-proof rubber mold is simplified and the molding time can be shortened, productivity can be improved.

  The drum-type washing machine of the present invention is easy to put in clothes, prevents clothes from being caught between the water tank and the rotating drum, and the clothes touch the anti-vibration rubber during dehydration and washing. It is possible to prevent the clothes from being rubbed, the clothes from being rubbed into the water tank, the clothes from being broken, and the vibration isolator from being broken.

  A first invention has a rotary drum having a circular clothes insertion port at the front and having a rotation center axis inclined downward from the horizontal or from the front to the rear, and a center on a substantially extension line of the rotation center axis. A water tank that has a circular water tank opening and accommodates the rotating drum in a rotatable manner, and a circular housing opening that has a center on a substantially extension line of the rotation center axis, and the water tank can move freely. A washing machine housing to be housed, a door body attached to the washing machine housing and covering the housing opening so as to be openable and closable, and a substantially cylindrical shape connecting the water tank opening and the housing opening. The anti-vibration rubber includes an anti-vibration rubber, and the anti-vibration rubber forms a bulge portion that bulges to the outer peripheral side by partially folding back partway forward and outward from the housing opening to the water tank opening. The inner surface of the front surface of the water tank having the water tank opening is formed of the water tank opening. An annular covering member configured to cover at least a part of a gap between the clothing inlet and the water tank opening and at least a part of the bulging portion of the vibration isolating rubber was formed of a metal member such as stainless steel. As a result, the specific heat capacity is high, the calorific value is low, and the heat conductivity is high, so that the generated frictional heat is quickly dissipated, so that the clothes are not melted or broken by heat. In addition, by attaching an annular cover member, the gap between the water tank opening and the inner peripheral portion of the clothing input port is substantially reduced, preventing the outflow of small clothing, etc., and ensuring the protection of the anti-vibration rubber. It becomes. In addition, the annular covering member covers the outer diameter portion of the clothes inlet of the rotating drum from the outside, and the tip portion of the annular covering member is protruded from the water tank portion by 1.5 mm or more, so that it can be used for resin molding, etc. This prevents contact with the water tank opening.

  In the second invention, the annular cover member of the first invention is made of a metal member such as stainless steel, the tip of the annular cover member is curled, and the tip of the curled part is recessed from the water tank opening. By setting the position, the clothing is prevented from coming into contact with the end surface of the curled portion.

(Embodiment 1)
FIG. 1 is a cross-sectional view of a drum type washing machine according to the first embodiment of the present invention, and FIG. 2 is a cross-sectional view of a main part of the drum type washing machine.

  In FIG. 1, a rotating drum 5 having a circular clothing insertion port 25 in front and a water tank 3 that accommodates the rotating drum 5 are disposed in the washing machine housing 2 by being inclined at an angle θ from the horizontal direction to the upward direction. Thus, a drum-type washing machine of an oblique drum type that makes it easy to put laundry in and out of the rotary drum 5 from the door body 8 provided on the inclined surface where the front surface of the washing machine casing 2 is inclined is configured.

  The rotating drum 5 has a bottomed cylindrical opening side on the front side of the washing machine housing 2 and a bottom surface on the back side of the washing machine housing 2 so that the rotation axis R is from the front side to the back side. The rotating shaft 15 is pivotally supported by a bearing 16 provided on the back surface of the water tank 3 so as to be inclined downward at an angle θ.

  A driven pulley 18 is attached to the rotating shaft 15, and a belt driving structure in which a driving belt 19 is installed between the rotating pulley 15 and the driving pulley 17 attached to the rotating drive shaft of the drum drive motor 4 attached to the lower surface of the water tank 3. The rotary drum 5 is rotationally driven by the drum drive motor 4. A number of through holes 20 are formed in the peripheral surface of the rotating drum 5 so that water can flow between the inside of the water tank 3 and the laundry 13 is lifted upward by the rotation of the rotating drum 5. It is configured so as to perform the action of tapping and washing.

  Further, the water tank 3 is formed in a structure in which a water tank body 3a provided with a bearing 16 and a water tank lid body 3b on the door body 8 side are connected to each other, and at the same time, it is easy to construct and connect various components. It is formed of a resin molded member or the like so that it can be performed.

  A water tank lid 3b on the front side of the water tank 3 configured in a bottomed cylindrical shape is provided with a water tank opening 14 as a laundry doorway, and its center C is the center (rotation) of the clothing input port 25 of the rotary drum 5. The center of the door body 8 is substantially coincident with the center line of the water tank opening 14 and the inner diameter of the clothing input port 25 is set as large as possible to facilitate the putting in and out of clothing. It is configured.

  Thus, since the center position C of the water tank opening 14 and the door body 8 is coaxial with the rotation axis R of the rotary drum 5 and is inclined obliquely upward, the door body 8 formed in a circular shape. When the door body 8 is opened and the inside of the rotating drum 5 is looked through the water tank opening 14 even when the diameter of the water tank and the opening diameter of the water tank opening 14 are restricted, the number of blind spots is reduced.

  Therefore, since the laundry 13 accommodated in the rotating drum 5 can be seen over a wide range, it becomes difficult to forget to take out the laundry. In particular, in the configuration in which the rotating drum 5 is inclined and the door body 8 is provided on the inclined surface of the washing machine housing 2 corresponding to the inclination angle of the rotating drum 5 as in the drum type washing machine according to the present embodiment. Can look over the interior of the rotating drum 5 in a wider range.

  Further, the washing machine housing 2 and the vibration part of the water tank 3 are connected in a watertight manner by a vibration-proof rubber 12 made of a flexible elastic body, and the front end part of the rotating drum 5 and the water tank cover 3b are connected. The front end portion is covered with an annular covering member 11 such as a SUS (stainless steel) material.

  In the partial cross-sectional view of FIG. 2, the anti-vibration rubber 12 is formed in a substantially cylindrical shape by a flexible elastic body such as rubber, and one end is attached to the flange 6 adjacent to the water tank opening 14 of the water tank lid 3 b and the fastening band 28 is attached. The other end is fitted and held on a mounting plate 10 fixed to the vicinity of the housing opening 1 of the washing machine housing 2.

  The anti-vibration rubber 12 is applied in a watertight manner to the inclined contact surface 29a of the inner lid 9 made of a glass material or the like fixed to the inside of the door body 8 in the vicinity of the housing opening 1. Contact. Further, the anti-vibration rubber 12 has a cross-sectional shape in the middle from the mounting plate 10 to the flange 6 of the aquarium partially and forwardly and outwardly from the substantially horizontal portion, and the cross-section is formed into a substantially S-shape and is flexible. In order to improve this, the bulging portion 21 is formed to absorb the vibration of the water tank 3.

  The annular covering member 11 is formed in a substantially donut shape with a SUS (stainless steel) material or the like, and is fixed to a boss portion 24 provided on the water tank lid 3b with a screw 23 at the outer peripheral portion thereof. The central opening 22 of the annular covering member 11 is positioned approximately in the middle between the water tank opening 14 of the water tank lid 3b and the inner peripheral edge 26 of the clothing input port 25 of the rotary drum 5, and the water tank opening 14 and the clothes input. The gap between the inner periphery 26 of the mouth 25 is substantially reduced.

  Furthermore, the front end portion 27 of the central opening portion 22 of the annular covering member 11 protrudes toward the anti-vibration rubber 12 from the water tank opening portion 14, and the dimension D between the front end portion 27 and the water tank opening portion 14 is D ≧. The dimension is set to 1.5 mm.

  Further, the edge 27 a at the tip of the curl portion of the annular covering member 11 projects a dimension E from the water tank flat part 14 a of the water tank opening 14 toward the rotating drum 5.

  About the drum type washing machine comprised as mentioned above, the operation | movement effect | action is demonstrated below.

  Even when the laundry 13 of the rotating drum 5 protrudes from the clothes insertion opening 25 of the rotating drum 5 and contacts the annular covering member 11, the annular covering member 11 is made of a SUS (stainless steel) material. Since the specific heat capacity is high and the calorific value is low and the thermal conductivity is high, the generated frictional heat is quickly dissipated, so that the laundry 13 is not melted or broken by heat.

  Further, even when the laundry 13 of the rotating drum 5 protrudes to the door 8 side during dehydration and washing, the tip 27 of the central opening 22 of the annular covering member 11 is more than the anti-vibration rubber 12 from the water tank opening 14. Since it protrudes to the side, clothing intrusion into the bulging portion 21 of the vibration isolating rubber 12 is prevented, and at the same time, the laundry 13 touches the water tank flat surface portion 14a and prevents the laundry 13 from being torn.

  Further, even when the laundry 13 of the rotating drum 5 protrudes to the door body 8 side during dehydration and washing, the edge 27 a at the tip of the curled portion of the annular covering member 11 is the water tank flat part 14 a of the water tank opening 14. Since it protrudes further to the rotating drum 5 side, the laundry 13 is prevented from coming into contact with the edge 27a, and the laundry 13 is prevented from being torn.

  Although the configuration of the embodiment described above has been shown as an example applied to a drum-type washing machine of an oblique drum type in which a rotating drum is arranged in an inclined manner, the same applies to a general configuration in which a rotating drum is arranged in a horizontal direction. can do.

  As described above, in the drum type washing machine according to the present invention, the rib is removed from the vibration-proof rubber that connects the washing machine casing and the vibration part, and the part is constituted by another part such as SUS (stainless steel). As a result, the garment is rubbed into the anti-vibration rubber, and the anti-vibration rubber is torn, or the ribs of the anti-vibration rubber are deformed or worn, resulting in a large gap between the aquarium and the rotating drum. Can be prevented. In addition, the production mold for the anti-vibration rubber is simplified and the molding time can be shortened, so that the productivity can be improved.

Sectional drawing of the drum type washing machine in Embodiment 1 of this invention Cross section of the main part of the drum type washing machine Sectional view of a conventional drum-type washing machine

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Washing machine housing | casing 3 Water tank 5 Rotating drum 7 Housing opening part 8 Door body 11 Annular covering member 12 Anti-vibration rubber 14 Water tank opening part 21 Swelling part 25 Clothing input

Claims (2)

A rotary drum having a circular clothing insertion port in the front and having a rotation center shaft inclined horizontally or from the front to the rear downward, and a circular water tank opening having a center substantially on the extension line of the rotation center shaft And a washing machine housing having a circular housing opening having a center on a substantially extension line of the rotation center shaft and housing the water bath slidably. And a door body attached to the washing machine casing so as to freely open and close the casing opening, and a substantially cylindrical anti-vibration rubber connecting the water tank opening and the casing opening. The anti-vibration rubber forms a bulging portion that bulges to the outer peripheral side by partially folding forward and outward partway along the way from the housing opening to the water tank opening, and the water tank opening The inner surface of the front surface of the aquarium has an entire circumference of the aquarium opening. An annular covering member configured to cover a part of a gap between the writing clothing inlet and the water tank opening and at least a part of the bulging part of the vibration isolating rubber is attached, and the annular covering member is made of stainless steel. A drum-type washing machine that is made of a metal member such as a convex portion and that protrudes from the water tank. The drum-type washing machine according to claim 1, wherein a tip end portion of an annular covering member made of a metal member such as stainless steel is curled and the tip end portion of the metal is disposed in a recessed position from the water tank.

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