JP2005152419A - Inner lid structure of washing machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an inner lid structure of a washing machine that can protect the inner lid against a mechanical damage and prevent the inner lid from getting thermally deformed. <P>SOLUTION: A tub 2 is arranged in an outer case 1, and an inner lid 4 is attached to the tub 2. The inner lid 4 opens and closes the opening 2a of the tub 2. The inner lid 4 has a transparent window 5 and a metal ring 7 attached to the outer periphery of the window 5 as if to cover the outer periphery of the window 5. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an inner lid structure of a washing machine.

  Conventionally, as a washing machine, there is a drum type machine disclosed in Japanese Patent Application Laid-Open No. 2001-149689 (Patent Document 1). A water tank is disposed in the outer box of the drum type washing machine. Furthermore, a rotating drum for storing laundry is rotatably disposed in the water tank. In order to put in and out the laundry, the outer box is provided with an outer box opening, while the water tank is provided with a water tank opening. To prevent the water or washing solution in the tank from leaking, connect the outer box opening and the tank opening with packing, and attach an outer box door that opens and closes the outer box opening to the outer box. Yes.

  However, in the conventional drum type washing machine, since the outer box opening and the water tank opening are connected by packing, the vibration of the water tank is transmitted to the outer box through the packing, and the outer box is greatly shaken. There is a problem.

  As a method of solving this problem, there is a method of separating the outer box opening and the water tank opening by removing the packing. In this case, in order to prevent the liquid in the water tank from leaking, a water tank door for opening and closing the water tank opening is attached to the water tank. That is, while attaching an outer lid (outer box door) to the outer box, an inner lid (water tank door) is attached to the water tank.

  However, when the aquarium door is used, the outer edge of the aquarium door collides with the edge of the aquarium opening due to the vibration of the aquarium, which causes a problem that the aquarium door is mechanically damaged.

In addition, since the outer edge of the water tank door and the edge of the water tank opening are in contact with each other, the heat of the water tank is transmitted to the inner lid, causing a problem that the water tank door expands and contracts.
Japanese Patent Laid-Open No. 2001-149689

  Then, the subject of this invention is providing the inner cover structure of the washing machine which can protect an inner cover from a mechanical damage and can prevent the heat deformation of an inner cover.

  In order to solve the above problems, an inner lid structure of a washing machine according to the present invention is the inner lid structure of a washing machine in which an inner lid is attached to an opening of a water tank disposed in an outer box of the washing machine. Includes a transparent or translucent window and a metal ring attached to the outer edge of the window and covering the outer edge of the window.

  According to the inner lid structure of the washing machine configured as described above, since the metal ring covers the outer edge of the window, when the water tank vibrates, the edge of the water tank opening directly contacts the outer edge of the window. It can prevent a collision. Therefore, the inner lid can be protected from mechanical damage.

  In addition, since the ring is made of metal, it is hardly affected by heat and hardly expands or contracts by heat. Therefore, it is possible to prevent the inner lid from being adversely affected by the heat of the water tank by receiving the heat of the water tank with the ring. That is, thermal deformation of the inner lid can be prevented.

  Further, if the ring covers only the outer edge of the window, the amount of material of the ring can be reduced, so that the inner lid can be manufactured at a low cost and the inner lid can be made compact. .

  Further, since the user can be prevented from being injured by the damaged inner lid, safety can be improved.

  In the inner lid structure of the washing machine according to one embodiment, an inner lid base that is at least partially covered with the ring is provided on the outer edge of the window.

  According to the inner lid structure of the washing machine of the above embodiment, since at least a part of the inner lid base is covered with the ring, the inner lid base can be protected from mechanical damage and thermal deformation caused by the water tank.

  Moreover, a handle can be easily provided in an inner lid base by making the said inner lid base into resin. Therefore, the operability of the inner lid can be improved.

  Further, by providing the inner lid base so that at least a part of the inner lid base overlaps the outer edge of the window, the outer diameter of the inner lid is reduced, so that the so-called projecting dimension when the inner lid is opened can be reduced. That is, the space for opening the inner lid forward can be reduced. Therefore, restrictions on the installation location of the washing machine can be reduced.

  In the inner lid structure of the washing machine of one embodiment, the window is made of glass.

  According to the inner lid structure of the washing machine of the above embodiment, since the window is made of glass, the chemical resistance of the inner lid can be improved. Therefore, the inner lid is highly resistant to detergents.

  In the inner lid structure of the washing machine according to an embodiment, a part of the ring is inserted through a shaft and connected to the hinge portion of the water tank.

  According to the inner lid structure of the washing machine of the above embodiment, a part of the ring is used as a part of the hinge, so that the number of parts is reduced and the manufacturing cost can be reduced.

  In addition, when the inner lid and the water tank are screwed together, the screw may loosen due to the heat of the water tank and the inner lid may rattle, but since the inner lid and the water tank are hinged, the heat of the water tank, etc. There is no worry that the screw will loosen.

  In addition, since the inner lid structure is simplified in structure by hinge-joining the inner lid and the water tank, the inner lid structure can be manufactured with high reliability and at low cost, and the dimensional variation can be reduced. .

  In the inner lid structure of the washing machine according to an embodiment, the water tub has a supporting means for supporting a portion other than the part of the ring.

  According to the inner lid structure of the washing machine of the above embodiment, since the inner lid is supported by the hinge portion and the support means, it is possible to reduce the burden that the hinge portion receives due to the vibration of the aquarium because it is supported at two points. it can.

  It is preferable that the support means support a straight portion (portion on the side opposite to the hinge) passing through the hinge-connected portion of the ring and the center point of the ring.

  In the inner lid structure of the washing machine of one embodiment, the support means is a convex portion provided in the opening, and the ring has a concave portion into which the convex portion is fitted.

  According to the inner lid structure of the washing machine of the above embodiment, the inner lid is supported by fitting the convex portion of the opening to the concave portion of the ring, so that the structure for supporting the inner lid can be simplified.

  The inner lid structure of the washing machine according to an embodiment includes a packing that seals between the inner lid and the edge of the opening, and the packing has a recess into which at least a part of the outer edge of the window enters.

  According to the inner lid structure of the washing machine of the above embodiment, since at least a part of the outer edge portion of the window enters the recess of the packing, the height difference between the packing and the inner lid can be reduced, and the depth can be reduced. it can.

  Further, since at least a part of the outer edge of the window enters the recess of the packing, the vibration of the inner lid can be absorbed by the packing.

  In an inner lid structure of a washing machine according to an embodiment, a packing for sealing between the inner lid and an edge of the opening is provided, and the ring has a recess for receiving at least a part of the packing.

  According to the inner lid structure of the washing machine of the above embodiment, since at least a part of the packing enters the recess of the ring, the height difference between the packing and the inner lid can be reduced, and the depth can be reduced.

  Moreover, since at least a part of the packing enters the recess of the ring, the vibration of the inner lid can be absorbed by the packing.

  The inner lid structure of the washing machine according to one embodiment includes a rotating drum that is disposed in the water tank and accommodates laundry.

  According to the inner lid structure of the washing machine of the embodiment, since the laundry is washed with the rotating drum, the amount of water used for washing can be reduced.

  The inner lid structure of the washing machine of the present invention can protect the inner lid from mechanical damage because the water tank and the lid do not collide directly by attaching a metal ring to the outer edge of the window.

  In addition, since the ring is made of metal, it is hardly affected by heat and hardly expands or contracts by heat. Therefore, the thermal deformation of the inner lid can be prevented by receiving the heat of the water tank with the ring.

  Hereinafter, the inner lid structure of the washing machine of the present invention will be described in detail with reference to the illustrated embodiments.

First embodiment

  FIG. 1 is a schematic cross-sectional view of a drum type washing machine to which the inner lid structure of the washing machine according to the first embodiment of the present invention is applied. In addition, the inside of the small circle in FIG. 1 is enlarged and illustrated in the large circle.

  In the inner lid structure of the washing machine, the inner lid 4 opens and closes the opening 2 a of the water tank 2 disposed in the outer box 1. The inner lid 4 is rotatably attached to the water tank 2 by a hinge. The inner lid 4 includes a glass transparent window 5, a resin inner lid base 6 attached to the outer edge of the window 5, and a metal ring 7 attached to the outer edge of the window 5. It consists of. The outer diameter of the window 5 is smaller than the outer diameter of the inner lid base 6. The window 5 has a concave cross section and has a curved bottom surface. More specifically, the bottom surface of the window 5 is curved so as to protrude toward the outer box 1. The outer edge of the window 5 is bent. That is, the window 5 has a flange 5a that protrudes outward in the radial direction at the outer edge. One end of the inner lid base 6 is bonded and fixed to the surface of the flange 5a of the window 5 on the outer box 1 side. The inner lid base 6 also has a flange 6a that projects outward in the radial direction. The length in the radial direction of the flange 6 a of the inner lid base 6 is longer than the length in the radial direction of the flange 5 a of the window 5. The ring 7 covers such flanges 5a and 6a. In other words, the flanges 5a and 6a enter the ring 7 and are shielded. Although not shown, a handle is provided on a part of the inner lid base 6.

  The outer box 1 elastically supports the water tank 2 with a suspension 8. In addition, an operation panel 11 having operation keys and a display unit is provided on the front upper portion of the outer box 1. And in the upper part in the said outer case 1, the accommodating part 13 filled with a detergent and a softening agent is arrange | positioned. Although not shown, the outer box 1 has an opening facing the opening 2 a of the water tank 2, and an outer lid that opens and closes the opening is attached to the outer box 1.

  A rotating drum 3 for storing laundry is arranged in the water tank 2. The rotating drum 3 has an opening 3 a, and the opening 3 a faces the opening 2 a of the water tank 2. The rotary drum 3 is rotationally driven by a rotary drive unit 10. Further, water or a washing solution is supplied into the water tank 2 through a water supply pipe 11. For this reason, the gap between the inner lid 4 and the edge of the opening 2 a is sealed with the packing 8 so that the liquid in the water tank 2 does not leak out of the water tank 2. This packing 8 is attached to the edge of the opening 2a.

  According to the inner lid structure of the washing machine configured as described above, even if the water tub 2 vibrates due to the rotation of the rotary drum 3, the ring 7 covers the flanges 5a and 6a. Direct collision with the flanges 5a and 6a can be prevented. Further, since the ring 7 is made of metal, even if it collides with the edge of the opening 2a of the water tank 2, mechanical damage is unlikely to occur. Therefore, the inner lid 4 can be protected from mechanical damage.

  Further, during the drying operation of the drum type washing machine, dry air for drying the laundry is supplied into the water tank 2 and the temperature of the water tank 2 and the rotating drum 3 rises. Since the flange 6a is covered, it is possible to prevent the flange 6a of the inner lid base 6 from coming into direct contact with the hot water tank 2. Further, since the ring 7 is made of metal, even if it comes into contact with the hot water tank 2, it is hardly affected by heat and hardly expands or contracts. Therefore, it is possible to prevent the adverse effect due to the heat of the water tank 2 from occurring on the inner lid 4. That is, thermal deformation of the inner lid 4 can be prevented.

  Further, since the ring 7 is integrally fixed to the outer edge portion of the window 5 without using a screw, even if the window 5 is shaken by vibration of the water tank 2, the fastening portion of the screw may be damaged due to stress concentration. In addition, the screw does not loosen and come off the window 5. That is, the ring 7 can eliminate the damage of the fastening portion of the screw, and can prevent the drop from the window 5 due to the loosening of the screw.

  Further, since the ring 7 is integrally fixed to the outer edge portion of the window 5 without using a screw, the screw may loosen and come off from the window 5 even if hot air hits and heat expands during the drying operation. Absent.

  Further, since the window 5 is made of glass, the chemical resistance of the inner lid 4 can be improved. Therefore, the inner lid 4 has high resistance to detergent.

  Further, since the inner lid 4 is attached to the water tank 2 with a hinge, there is no need to use a screw to attach the inner lid 4 to the water tank 2, and there is a concern that the screw may be loosened due to heat or vibration of the water tank 2. Absent.

  Moreover, since the said inner lid 4 is attached to the water tank 2 with a hinge, the structure of an inner lid structure is simplified. Therefore, the inner lid structure is highly reliable and can be manufactured at a low cost, and the dimensional variation can be reduced.

  By the way, as shown in FIG. 2, when the inner lid 4 is opened after the outer lid of the outer box 1 is opened, the inner lid 4 moves to a position indicated by a two-dot chain line. At this time, the distance D from the end of the inner lid 4 opposite to the outer box 1 to the back surface of the outer box 1 can be reduced because the inner lid 4 is attached to the opening 2 a of the water tank 2. Therefore, the drum type washing machine has few restrictions on installation. That is, the degree of freedom of installation of the drum type washing machine is great.

  In the first embodiment, the outer lid that opens and closes the opening of the outer box 1 has not been described in detail. However, the outer lid that opens and closes the opening of the outer box 1 slides and at least a part of the outer lid 1 opens and closes. It may be accommodated automatically or manually inside, or may be pivotally attached to the outer box 101 with a hinge.

Second embodiment

  FIG. 3 is a schematic sectional view of the inner lid structure of the washing machine according to the second embodiment of the present invention. In addition, the inside of the small circle in FIG. 3 is expanded and illustrated in a great circle.

  In the inner lid structure of the washing machine, the inner lid 24 opens and closes the opening 102a of the water tank 102 disposed in the outer box of the washing machine. The inner lid 24 is rotatably attached to the water tank 102 by a hinge 20. The inner lid 24 includes a glass transparent window 25 and a metal ring 27 attached to the outer edge of the window 25. The window 25 has a flange 25a projecting outward in the radial direction at the outer edge. A ring 27 covers the flange 25a of the window 25. That is, the flange 25a is fitted in the ring 27 and shielded. The ring 27 is integrally fixed to the outer edge of the window 25 without using screws. Note that reference numeral 28 in FIG. 3 denotes a packing. The packing 28 is attached to an attachment portion 102b provided at the edge of the opening 102a.

  According to the inner lid structure of the washing machine configured as described above, since the ring 27 covers the flange 25a of the window 25, the edge of the opening 102a of the water tank 102 is prevented from directly colliding with the flange 25a of the window 25. Can do. Further, since the ring 27 is made of metal, even if it collides with the edge of the opening 102a of the water tank 102, mechanical damage is unlikely to occur. Therefore, the inner lid 24 can be protected from mechanical damage.

  Further, since the window 25 is made of glass, the chemical resistance of the inner lid 24 can be improved. Therefore, the inner lid 24 is highly resistant to detergent.

  In addition, since the inner lid 24 is attached to the water tank 102 with the hinge 20, it is not necessary to use a screw to attach the inner lid 24 to the water tank 102, and there is a concern that the screw may be loosened due to heat or vibration of the water tank 102. Nor.

  Further, since the inner lid 24 is hinged to the water tank 102, the configuration of the inner lid structure is simplified. Therefore, the inner lid structure is highly reliable and can be manufactured at a low cost, and the dimensional variation can be reduced.

  Further, since the inner lid 24 does not have an inner lid base, the depth can be reduced and the manufacturing cost can be reduced as compared with the inner lid 4 of FIG.

Third embodiment

  FIG. 4 is a schematic cross-sectional view of the inner lid structure of the washing machine according to the third embodiment of the present invention. In addition, the inside of the small circle in FIG. 4 is expanded and illustrated in the large circle.

  In the inner lid structure of the washing machine, the inner lid 34 opens and closes the opening 102a of the water tank 102 disposed in the outer box of the washing machine. The inner lid 34 is rotatably attached to the water tank 102 by a hinge 30. The inner lid 34 includes a glass transparent window 35, a resin inner lid base 36 attached to the outer edge of the window 35, and a metal ring 37 attached to the outer edge of the window 35. It consists of. The outer diameter of the window 35 and the outer diameter of the inner lid base 36 are substantially the same. And the said window 35 has the flange 35a which protruded toward the radial direction outer side in an outer edge part. One end of the inner lid base 36 is bonded and fixed to the surface of the outside of the flange 35a of the window 35 (the side opposite to the water tank 102). A ring 37 covers the flange 35 a of the window 35 and a part of the inner lid base 36. That is, the flange 35a of the window 35 and a part of the inner lid base 36 enter the ring 37 and are shielded. The ring 37 is integrally fixed to the outer edge of the window 35 without using screws. Further, a through hole 37 a is provided in a part of the ring 37 on the water tank 102 side, and a support bar 39 as an example of a support means is provided at an edge of the opening 102 a of the water tank 102. The support bar 39 enters the through hole 37a when the inner lid 34 is closed. Although not shown, a handle is provided on a part of the inner lid base 36.

  According to the structure of the inner lid of the washing machine having the above configuration, the same effect as that of the first embodiment can be obtained, and the inner lid 34 is supported by the hinge 30 and the support bar 39, so that the two-point support is provided. The burden that the hinge 30 receives due to the vibration of the water tank 102 can be reduced.

Fourth embodiment

  FIG. 5 shows a schematic cross-sectional view of the inner lid structure of the washing machine according to the fourth embodiment of the present invention. Note that the inside of the small circle in FIG.

  In the washing machine inner lid structure, the inner lid 44 opens and closes the opening 102 a of the water tank 102 disposed in the outer box of the washing machine. The inner lid 44 is rotatably attached to the water tank 102 by a hinge 40. The inner lid 44 includes a glass transparent window 45 and a metal ring 47 attached to the outer edge of the window 45. The window 45 has a flange 45a projecting outward in the radial direction at the outer edge. A ring 47 covers the flange 45 a of the window 45. That is, the flange 45a is fitted into the ring 47 and shielded. The ring 47 is integrally fixed to the outer edge of the window 45 without using screws. The space between the inner lid 44 and the edge of the opening 102 a of the water tank 102 is sealed with a packing 48. A recess 48a is provided at the inner edge of the packing 48, and when the inner lid 44 is closed, the flange 45a and the ring 47 enter the recess 48a. That is, the recess 48 a of the packing 48 accommodates the flange 45 a and the ring 47 when the inner lid 44 is closed. The packing 48 is attached to an attachment portion 102b provided at the edge of the opening portion 102a.

  According to the structure of the inner lid of the washing machine having the above-described structure, the same effects as those of the second embodiment can be obtained. Further, when the inner lid 44 is closed, the flange 45a and the ring 47 enter the recess 48a. The height difference from the inner lid 44 can be reduced. In other words, the portion on the outermost side (the side opposite to the water tank 102) in the packing 48 and the portion on the outermost side in the ring 47 have substantially the same level. Therefore, when the inner lid 44 is closed, the combined depth of the water tank 102 and the inner lid 44 can be reduced.

  Further, when the inner lid 44 is closed, the flange 45a and the ring 47 enter the recess 48a, so that the vibration of the inner lid 44 can be absorbed by the packing 48.

Fifth embodiment

  FIG. 6 is a schematic sectional view of the inner lid structure of the washing machine according to the fifth embodiment of the present invention. In addition, the inside of the small circle in FIG. 6 is expanded and illustrated in a great circle.

  In the inner lid structure of the washing machine, the opening 102a of the water tank 102 disposed in the outer box of the washing machine is opened and closed by the inner lid 54. The inner lid 54 is rotatably attached to the water tank 102 by a hinge 50. The inner lid 54 includes a glass transparent window 55, a resin inner lid base 56 attached to the outer edge of the window 55, and a metal ring 57 attached to the outer edge of the window 55. It consists of. The outer diameter of the window 55 and the outer diameter of the inner lid base 56 are substantially the same, and the window 55 has a flange 55a projecting outward in the radial direction at the outer edge. One end of the inner lid base 56 is bonded and fixed to the surface of the outside of the flange 55a of the window 55 (the side opposite to the water tank 102). A ring 57 covers the flange 55 a of the window 55 and a part of the inner lid base 56. That is, the flange 55a of the window 55 and a part of the inner lid base 56 enter the ring 57 and are shielded. The ring 57 is integrally fixed to the outer edge of the window 55 without using screws. A recess 57a is provided in a part of the ring 57 on the water tank 102 side. When the inner lid 54 is closed, the outermost portion of the packing 58 enters and enters into the recess 57a. The packing 58 is attached to an attachment portion 102b provided at the edge of the opening 102a. Although not shown, a handle is provided on a part of the inner lid base 56.

  According to the structure of the inner lid of the washing machine having the above-described configuration, the same effect as that of the first embodiment can be obtained, and when the inner lid 54 is closed, a part of the packing 58 enters the recess 57a of the ring 57. The combined depth of the water tank 102 and the inner lid 54 can be reduced.

  Further, when the inner lid 54 is closed, a part of the packing 58 comes into contact with the recess 57 a of the ring 57, so that the vibration of the inner lid 54 can be absorbed by the packing 58.

Sixth embodiment

  FIG. 7A shows a schematic sectional view of the inner lid structure of the washing machine of the sixth embodiment of the present invention, and FIG. 7B shows a schematic front view of the inner lid structure of the washing machine.

  In the inner lid structure of the washing machine, as shown in FIGS. 7A and 7B, the opening 102 a of the water tank 102 disposed in the outer box of the washing machine is opened and closed by the inner lid 64. The inner lid 64 includes a glass transparent window 65, a resin inner lid base 66 attached to the outer edge portion of the window 65, and a metal ring 67 attached to the outer edge portion of the window 65. Composed. The outer diameter of the window 65 and the outer diameter of the inner lid base 66 are substantially the same. The window 65 has a flange 65a projecting outward in the radial direction at the outer edge. One end of the inner lid base 66 is bonded and fixed to the surface of the outside of the flange 65a of the window 65 (the side opposite to the water tank 102). A ring 67 covers the flange 65 a of the window 65 and a part of the inner lid base 66. That is, the flange 65a of the window 65 and a part of the inner lid base 66 enter the ring 67 and are shielded. The ring 67 is integrally fixed to the outer edge of the window 65 without using screws. A shaft 69 is inserted into a part 67a of the ring 67 and connected to the hinge portion 60 of the water tank 102, so that the inner lid 64 is rotatable. A part 67a of the ring 67 has a substantially C-shaped cross section. In addition, in the reference number of FIG. 7 (A), 68 is packing. The packing 68 is attached to an attachment portion 102b provided at the edge of the opening 102a.

  According to the inner lid structure of the washing machine having the above-described structure, the same effect as that of the first embodiment can be obtained, and the part 67a of the ring 67 is used as a part of the hinge. Cost can be reduced.

  The inner lid structure of the washing machine according to the first to sixth embodiments can be applied to all types of washing machines such as a drum washing machine, a fully automatic washing machine, and a two-tank washing machine.

  Moreover, you may combine suitably the structure of the inner cover structure of the washing machine of the said 1st-6th embodiment.

  Moreover, although the transparent window was used in the inner cover structure of the washing machine of the said 1st-6th embodiment, you may use a translucent window. The window may be made of heat-resistant plastic other than glass.

FIG. 1 is a schematic cross-sectional view of a drum type washing machine to which an inner lid structure of a washing machine according to a first embodiment of the present invention is applied. FIG. 2 is a schematic view for explaining a state where the inner lid of the drum type washing machine is opened. FIG. 3 is a schematic cross-sectional view of the inner lid structure of the washing machine according to the second embodiment of the present invention. FIG. 4 is a schematic cross-sectional view of the inner lid structure of the washing machine according to the third embodiment of the present invention. FIG. 5 is a schematic cross-sectional view of the inner lid structure of the washing machine according to the fourth embodiment of the present invention. FIG. 6 is a schematic cross-sectional view of the inner lid structure of the washing machine according to the fifth embodiment of the present invention. FIG. 7A is a schematic sectional view of the inner lid structure of the washing machine according to the sixth embodiment of the present invention, and FIG. 7B is a schematic front view of the inner lid structure of the washing machine.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Outer box 2,102 Water tank 2a, 102a Water tank opening 3 Rotating drum 4, 24, 34, 44, 54, 64 Inner lid 5, 25, 35, 45, 55, 65 Inside window 6, 36, 56, 66 Lid base 7, 27, 37, 47, 57, 67 Ring 8, 28, 38, 48, 58, 68 Packing 39 Support bar 48a Packing recess 57a Ring recess

Claims (9)

In the inner lid structure of the washing machine in which the inner lid is attached to the opening of the water tank disposed in the outer box of the washing machine,
The inner lid structure of a washing machine, comprising: a transparent or translucent window; and a metal ring attached to the outer edge of the window and covering the outer edge of the window. The inner lid structure of the washing machine according to claim 1,
An inner lid structure for a washing machine, wherein an outer lid base is provided at an outer edge portion of the window, the inner lid base being at least partially covered with the ring. The inner lid structure of the washing machine according to claim 1,
An inner lid structure of a washing machine, wherein the window is made of glass. The inner lid structure of the washing machine according to claim 1,
An inner lid structure of a washing machine, wherein a part of the ring is inserted into a shaft and connected to a hinge portion of the water tank. The inner lid structure of the washing machine according to claim 4,
An inner lid structure of a washing machine, wherein the water tank has a support means for supporting a part other than the part of the ring. The inner lid structure of the washing machine according to claim 5,
The support means is a convex portion provided in the opening,
An inner lid structure for a washing machine, wherein the ring has a concave portion into which the convex portion is fitted. The inner lid structure of the washing machine according to claim 1,
A packing for sealing between the inner lid and the edge of the opening;
An inner lid structure for a washing machine, wherein the packing has a recess into which at least a part of the outer edge of the window is inserted. The inner lid structure of the washing machine according to claim 1,
A packing for sealing between the inner lid and the edge of the opening;
An inner lid structure for a washing machine, wherein the ring has a recess into which at least a part of the packing is inserted. The inner lid structure of the washing machine according to claim 1,
An inner lid structure for a washing machine, comprising: a rotating drum which is disposed in the water tank and accommodates laundry.

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