JP2008161549A - Laundry machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a laundry machine having a large opening for taking out or putting in the laundry. <P>SOLUTION: In a laundry machine equipped with a laundry machine body 1 equipped with a circular opening 2 for taking out or putting in the laundry, a lid 3 for opening/closing the opening 2 of the laundry machine body 1 and a hinge mechanism 10 for rotatively connecting the lid 3 to one side of the laundry machine body 1; the hinge mechanism 10 comprises a hinge arm member 12 rotatively connected to the laundry machine body 1 at one end and fixed to the lid 3 at the other end, and the hinge arm member 12 comprises a curved-surface part 14, which moves along the outside of the opening 2 substantially perpendicularly with respect to its opening surface interlocking with the movement of the lid 3, and which is formed of a curved sheet material bent to form a curve in vertical cross section and a circular arc along the shape of the opening in horizontal cross section. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a washing machine, and more particularly to a washing machine that facilitates taking in and out of laundry by enlarging an opening of a washing machine body.

  Conventionally, as this type of washing machine, there is a technology that enlarges the opening of the washing machine body by devising the installation position of the door hinge mechanism that opens and closes the opening of the washing machine body (for example, patents) Reference 1).

JP 2000-042991 A

  However, in the technique of Patent Document 1, a water supply portion for supplying water to the washing machine main body is provided so as to protrude forward in the center of the rear of the opening. For this reason, the opening surface of the opening portion does not form a perfect circle shape, and a part of the opening surface is closed by the water supply portion, which hinders access to clothes.

  This invention is made in view of such a point, and it aims at obtaining the washing machine which can take the opening part which puts in / out the laundry large.

  The washing machine according to the present invention includes a washing machine main body having a circular opening for taking in and out laundry, a lid for opening and closing the opening of the washing machine main body, and the lid can be rotated to one side of the washing machine main body. The hinge mechanism has a hinge arm member having one end rotatably connected to the washing machine body and the other end fixed to the lid. In conjunction with the movement of the lid, it has a curved surface part that moves outside the opening part in a direction substantially perpendicular to the opening surface of the opening part, and the curved surface part bends the thin plate material into a curved shape and has a longitudinal sectional shape. Is formed in a curved shape, and the cross-sectional shape is formed in an arc shape along the opening shape of the opening.

  According to the present invention, in the hinge arm member of the hinge mechanism that pivotally connects the lid to one side of the washing machine main body, the outer side of the opening is linked to the opening surface of the opening in conjunction with the movement of the lid. The shape of the curved surface portion that moves in a substantially vertical direction is a shape in which the thin plate material is bent into a curved shape, the vertical cross-sectional shape forms a curved shape, and the cross-sectional shape forms a circular arc shape that follows the opening shape of the opening. Therefore, it is possible to obtain a washing machine capable of ensuring the maximum size of the opening.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a perspective view showing a state in which a lid is opened in the washing machine of the present invention.
As shown in FIG. 1, the washing machine body 1 has an opening 2 through which laundry is put in and out, and the opening 2 is covered with a substantially circular lid 3 so as to be opened and closed. The lid 3 is rotatably connected to one side of the washing machine body 1 via a hinge mechanism 10, and is operated from a horizontal posture to a vertical posture by operation of an opening / closing lock mechanism 30 provided on the other side of the washing machine body 1. Rotate in the direction to open the opening 2. A top cover 4 having an opening 4 a corresponding to the opening 2 is provided on the upper surface of the opening 2 of the washing machine body 1.

  2 is an exploded perspective view of the hinge mechanism of FIG. 1, FIG. 3 is an explanatory perspective view of the installation relationship between the hinge mechanism of FIG. 1 and the top cover, and FIG. 4 is a hinge mechanism in a state where the lid closes the opening. FIG. 5 is an enlarged perspective view of the hinge mechanism in a state where the lid opens the opening.

  The hinge mechanism 10 includes a pedestal 11 fixed to the washing machine body 1, a hinge arm member 12 having one end connected to the pedestal 11 and the other end fixed to the lid 3, and the pedestal 11 and the hinge arm member 12. A hinge pin 16 that is rotatably connected, three or more (three in this case) hinge springs 17 that bias the lid 3 in the opening direction, a damper portion 18, and a rotation range of the hinge arm member 12 in the opening direction of the lid 3 And a stopper 19 for restricting the movement. The lid 3 is provided with a lid seal member 3 a for sealing the opening 2.

  The pedestal 11 has a plurality of bearing portions 11a, and pin holes 11b into which hinge pins 16 are inserted are formed in the respective bearing portions 11a. In addition, the hinge arm member 12 has a plurality of bearing portions 13 having pin holes 13 a into which the hinge pins 16 are inserted, and the outside of the opening portion 2 with respect to the opening surface of the opening portion 2 in conjunction with the movement of the lid 3. It has a curved surface portion 14 that moves in a substantially vertical direction and a flat surface portion 15 that has a fixed surface on the upper surface to which the lid 3 is fixed, and these are integrally formed.

  When assembling the hinge mechanism 10 having the above configuration, the pedestal 11 and the hinge arm member 12 are arranged such that the axis of the pin hole 11b of the pedestal 11 and the axis of the pin hole 13a of the hinge arm member 12 coincide. The hinge springs 17 are arranged in the three gap portions between the bearing portions 11a and 13 so as to overlap each other. Then, in this state, the whole is assembled by inserting the hinge pin 16 through the pin holes 11 b and 13 a and the hinge springs 17 and attaching the tip of the hinge pin 16 to the damper portion 18.

  In the hinge mechanism 10 configured as described above, the pedestal 111 is fixed to the washing machine body 1, and the flat portion 15 of the hinge arm member 12 is inserted through the arc-shaped slit 4 a provided in the top cover 4. It is located on the surface of the cover 4, and the lid 3 is fixed to the surface of the flat portion 15. When the push button of the open / close lock mechanism 30 is pressed, the curved surface portion 14 of the hinge arm member 12 rotates while passing through the slit 4a around the hinge pin 16 by the biasing force of the hinge spring 17. As a result, the lid 3 is opened. The lid 3 of the present example is opened to, for example, about 50 ° with respect to the horizontal plane by the biasing force of the hinge spring 17 and then manually opened to a desired position by the user.

  In this example, three hinge springs 17 are provided. This is for ensuring safety when the hinge springs 17 are corroded and broken due to long-term use, for example. That is, when the hinge spring 17 is broken and the biasing force in the opening direction of the lid 3 is weakened, the lid 3 rotates in the direction in which the lid 3 is closed by its own weight when the lid 3 is opened and clothes are taken in and out. There is a possibility that a hand may be caught between the opening 2 of the washing machine body 1 and an injury may occur. In order to avoid such a situation, three or more (three in this example) hinge springs 17 are provided so that safety can be ensured even if one is broken.

  In addition, this example is characterized in that the opening 2 of the washing machine body 1 can be widened. The structure for this will be described below. That is, the curved surface portion 14 of the hinge arm member 12 is bent in a thin shape so that the longitudinal cross-sectional shape is curved, and the transverse cross-sectional shape is arcuate along the opening shape of the opening 2. Form. Here, in this example, three or more hinge springs 17 are used from the viewpoint of safety, and the curved surface portion 14 is formed to have a width substantially equal to the width in which the plurality of hinge springs 17 are aligned. Therefore, it has a certain length (width) with respect to the size of the opening 2. For this reason, when the area | region which lets the curved-surface part 14 pass is limited from the relationship with the outline of the washing machine main body 1, it is an opening part passing the curved-surface part 14 with a certain amount of width within the limited area | region. In order to secure a size of 2, it is optimal that the cross-sectional shape of the curved surface portion 14 is an arc shape along the opening shape of the opening 2. With this configuration, the opening 2 can be made into a large circular opening. Further, as a structure that contributes to increasing the opening of the opening 2, the lid seal portion 3 a is disposed on the lid 3, so that it is not necessary to provide a seal structure in the opening 2 of the washing machine body 1. Can be a large circular opening. Further, since the slit 4a through which the curved surface portion 14 passes is formed in an arc shape along the opening shape of the opening portion 2, the curved surface portion 14 can be stably passed.

  Further, a plurality (three in this case) of protrusions 14 a extending in the direction perpendicular to the axial direction of the hinge pin 16 are provided on the surface of the curved surface portion 14 so as to increase the strength of the curved surface portion 14. I have to. Further, when a force more than necessary is applied in the direction in which the lid 3 is opened, the protruding portion 14a comes into contact with a connecting portion 21 of a stopper 19 which will be described later, so that a curved surface is formed as compared with the case where the protruding portion 14a is not provided. The force applied to the portion 14 can be reduced, and the durability of the curved surface portion 14 can be improved.

  The stopper 19 regulates the rotation range of the hinge arm member 12 and is composed of a pair of leg portions 20 fixed to the washing machine body 1 side and a connecting portion 21 connecting the leg portions 20, and has a substantially U-shaped cross section. The connecting part 21 is attached to the washing machine body 1 so as to face the curved surface part 14. Here, as described above, the lid 3 of the present example is configured to open up to, for example, about 50 ° with respect to the horizontal plane by the biasing force of the hinge spring 17 and then manually opened to a desired position by the user. However, at that time, if the lid 3 is opened with an excessive force, the lid 3 may be opened too much and the surface of the lid 3 may collide with the design part of the washing machine body 1. Since the opening of the lid 3 is restricted by the stopper 19, it is possible to prevent the design component from being damaged without the lid 3 colliding with the design component.

  The damper portion 18 includes a damper receiver 18a, a damper 18b, and a damper holder 18c. As described above, the tip of the hinge pin 16 is attached to the damper portion 18. Further, the notch portion 12 a of the hinge arm member 12 is also attached to the damper portion 18. As a result, the axis of the damper portion 18 becomes the same as the rotational axis of the hinge arm member 12. Since the damper holder 18c is fixed to the washing machine main body 1, the damper effect of the damper 18b is exerted, and the lid 3 connected to the hinge arm member 12 absorbs the force in the closing direction. This works when the biasing force in the opening direction of the lid 3 is weakened due to breakage of the lid 3 or the like. By providing the damper portion 18 in this manner, when the biasing force in the opening direction of the lid 3 is weakened, the lid 3 is suddenly closed and a hand is placed between the lid 3 and the opening 2 of the washing machine body 1. It is possible to prevent dangers such as injury by pinching.

  In addition, the hinge mechanism 10 is provided with a click mechanism that gives the user a click feeling as the curved surface portion 14 is rotated by opening and closing the lid 3. The click mechanism includes a plurality of click projections 14b provided at intervals on both side edges of the curved surface portion 14 and a surface of the leg portion 20 of the stopper 19 that faces the edges on both sides of the curved surface portion 14. And a plurality of protrusions 20a formed at intervals in the direction. With such a configuration, when the curved surface portion 14 rotates when the lid 3 is opened and closed, the click protrusion 14b and the protrusion 20a act so as to sequentially climb each other, and a click feeling can be obtained.

6 is an exploded perspective view showing the lid opening / closing lock mechanism, FIG. 7 is a perspective view of the assembled lock unit of FIG. 6, and FIG. 8 is a perspective view of the assembled lid opening / closing lock mechanism. FIG. 9 is an explanatory diagram of the operation of the lock slide of FIG. 6, FIG. 9 (a) shows a state where the lid is closed, and FIG. 9 (b) shows a state where the lid is opened. FIG. 10 is an explanatory diagram of the operation of the locking device.
The open / close lock mechanism 30 includes a button unit 40, a lock unit 50, and a lock device 60. Reference numeral 70 denotes a lock receiving member that is connected and fixed not to the washing machine body 1 side but to the lid 3 side.
The button unit 40 includes a button base 41 that is detachably attached to a lock base 51 (to be described later) of the lock unit 50, and a push button 42 that is rotatably attached at one end side to the button base 41 and has the other end as a pressing portion. And a cap 43 attached to one end side of the button base 41. A shaft pin (not shown) protrudes from both ends in the depth direction on one end side of the push button 42, and the shaft pin is inserted into a shaft hole 41 b of a pair of bearings 41 a provided on one end side (right side in the drawing) of the button base 41. The push buttons 42 are rotatably attached to the button base 41 about the shaft pins as rotation axes by being rotatably supported.

  Further, a projecting piece 44 that projects toward the button base 41 is provided on the lower surface of the push button 42, and the projecting side 44 is provided on the button base 41 when the push button 42 is attached to the button base 41. The inclined surface 44 a that protrudes below the button base 41 through the slit 45 and is provided on the protruding piece 44 comes into contact with an inclined surface 57 that is provided on the lock slide 52 described later.

  The lock unit 50 is provided with a lock base 51 fixed to the washing machine body 1, and is slidable within the lock base 51. The lock unit 50 slides inwardly of the lock base 51 in conjunction with the push button 42 being pressed. 52, a spring 53 connected to the lock slide 52, a detection slide 54 that is slidable within the lock base 51, and whose stop position changes according to the open / closed state of the lid 3, and is connected to the detection slide 54 A spring 55 and a detection sensor 56 for detecting the open / closed state of the lid 3 according to the stop position of the detection slide 54 are provided.

  When the urging force by the corresponding springs 53 and 55 is not acting, the lock slide 52 and the detection slide 54 are in a state in which the respective leading end portions 52 a and 54 a protrude from the end surface 51 a of the lock base 51. In the normal state (lid closed state), as shown in FIG. 9A, the lock slide 52 has a tip 52a in the locking opening 71 of the lock receiving member 70 connected and fixed to the lid 3 side. It is in the locked state and holds the lid 3 closed. On the other hand, in a normal state (lid closed state), the detection slide 54 is in a state where the tip end portion 54a abuts against the lock receiving member 70 and is pushed inward of the lock base 51 against the urging force of the spring 55. It has become.

  The lock slide 52 has an inclined surface 57 that contacts the inclined surface 44a of the protrusion 44 of the push button 42, and the push button 42 is pushed downward to open the lid 3 as shown in FIG. 9B. As a result, the slant surface 44a of the push button 42 and the slant surface 57 of the lock slide 52 come into contact with each other and slide back (to the right in FIG. 9A). As a result, the locking opening 71 of the lock receiving member 70 and the distal end portion 52a of the lock slide 52 are unlocked, and the lid 3 is opened by the hinge mechanism 10.

  Further, a locking piece 58 protruding downward is provided on the lower surface of the lock slide 52. When a lock pin 61 of a locking device 60 described later is in a protruding state, the lock pin 61 and the locking piece 58 are The surface abuts and the sliding movement of the lock slide 52 to the rear is restricted.

  As described above, the detection slide 54 is provided so as to be slidable in the lock base 51, and when the lid 3 is closed and is pushed backward in the lock base 51, an optical path of the detection sensor 56 described later. And a shielding plate 59 that opens the optical path of the detection sensor 56 when the lid 3 is opened and moved in a direction protruding from the lock base 51.

  Specifically, the detection sensor 56 is configured by, for example, a photocoupler, and detects the open / closed state of the lid 3 by detecting the position of the detection slide 54. That is, when the optical path is blocked by the shielding plate 59 of the detection slide 54, it is detected that the lid 3 is closed, and when the optical path is opened, it is detected that the lid 3 is opened. A detection signal of the detection sensor 56 is output to a control unit (not shown), and a lock device 60 described later is controlled by a control signal from the control unit.

FIG. 10 is an explanatory diagram of the operation of the locking device. In the figure, the same parts as those in FIG.
The lock device 60 is a device for locking the lid 3 so that it cannot be opened during the dehydration operation. The lock device 60 is disposed below the opening / closing lock mechanism 30 and drives the bar-shaped lock pin 61 and the lock pin 61 to move in and out. Part 62. When the lock pin 61 is in a protruding state, the side surface of the lock pin 61 comes into contact with the rear surface of the projection piece 44 of the lock slide 52, thereby restricting the slide operation of the lock slide 52 to the rear, Lock indestructible. On the other hand, when the lock pin 61 is in an immersive state, the side surface of the lock pin 61 is separated from the rear surface of the projecting piece 44 to release the lock, and the lock slide 52 can be slid and the lid 3 can be opened. .

  The drive unit 62 controls the movement of the lock pin 61 according to a control signal from a control unit (not shown). When a control signal for locking the lid 3 to be unopenable is input from the control unit, the drive unit 62 is driven. As shown in the figure, the unit 62 projects the lock pin 61 toward the projecting piece 44 of the lock slide 52, and when the control signal for releasing the lock is input, performs the control of immersing the lock pin 61.

Next, the operation of the open / close lock mechanism 30 in the above configuration will be described.
When the push button 42 is pressed, the inclined surface 44 a of the push button 42 abuts on the inclined surface 57 of the lock slide 52, and the lock slide 52 slides backward against the biasing force of the spring 53. As a result, the distal end portion 52 a of the lock slide 52 is separated from the locking opening 71 of the lock receiving member 70 and the engaged state is released, and the lid 3 is opened by the biasing force of the hinge mechanism 10.

  When the lid 3 is opened and the lock receiving member 70 is removed from the position where the lock slide 52 and the detection slide 54 face each other, the pushing force applied by the lock receiving member 70 acting on the tip 54a of the detection slide 54 is released. Thus, the detection slide 54 is pushed out by the biasing force of the spring 55. Then, the optical path of the detection sensor 56 that has been blocked by the shielding plate 59 provided on the detection slide 54 is opened by the movement of the detection slide 54, whereby the detection sensor 56 detects that the lid 3 has been opened. .

  Then, when closing the lid 3, the lid 3 is pushed down in the closing direction. As a result, the lock receiving member 70 is also lowered together with the lid 3, and the lower end portion 70 a of the lock receiving member 70 comes into contact with the tip end portion 52 a of the lock slide 52 to temporarily move the lock slide 52 backward against the biasing force of the spring 53. Let Then, when the lock receiving member 70 is further lowered and the locking opening 71 reaches a position facing the tip end portion 52 a of the lock slide 52, the lock slide 52 is pushed back by the urging force of the spring 53 and the lock receiving member 70. It returns to the position where it is locked in the locking opening 71. Thereby, obstruction | occlusion of the lid | cover 3 is hold | maintained. On the other hand, the detection slide 54 is pushed into the lock base 51 by the front end 54 a coming into contact with the lock receiving member 70 when the lid 3 is closed. Thereby, the optical path of the detection sensor 56 is shielded by the shielding plate 59 of the detection slide 54, and the detection sensor 56 detects that the lid 3 is closed.

  In addition, the detection signal of the detection sensor 56 is output to a control unit (not shown) and used during the dehydration operation. That is, after confirming that the lid 3 is closed, the dehydration operation is started, and the lid 3 is prevented from being opened by the lock device 60 during the dehydration operation.

As described above, according to the present embodiment, in the hinge mechanism 10, the curved surface portion 14 of the hinge arm member 12 is bent into a curved shape by bending the thin plate material into a curved shape, and Since the cross-sectional shape is formed so as to form an arc shape along the opening shape of the opening 2, the size of the opening 2 can be ensured to the maximum necessary, and the circular opening without covering the opening 2. Therefore, it is possible to obtain a washing machine that is easy to put in and out of clothes and is easy to use.
Furthermore, since the lid 3 is provided with the lid seal member 3a, it is not necessary to provide a seal member for sealing the opening 2 on the periphery of the opening 2, and thus the opening 2 can be secured large.

  Moreover, in this example, since the three hinge springs 17 are used, even if one breaks and the urging force in the direction of opening the lid 3 is weakened, the other two acts, so that the lid 3 is moved by the user. Even if the lid 3 is suddenly closed by operation or due to its own weight, the lid 3 can be prevented from closing suddenly, and a hand is caught between the lid 3 and the opening 2 of the washing machine body 1 to cause injury. It is possible to prevent such inconveniences.

  Further, since the damper portion 18 is provided in the hinge mechanism 10 so as to absorb the force in the direction in which the lid 3 is closed, the urging force in the direction in which the lid 3 is opened is weakened due to, for example, the hinge spring 17 being broken. However, it is possible to prevent the danger that the lid 3 closes suddenly or the hand 3 is injured between the lid 3 and the opening 2 of the washing machine body 1.

  In addition, since the stopper 19 that restricts the rotation range of the hinge arm member 12 in the opening direction of the lid 3 is provided, the lid 3 opens too much and the surface of the lid 3 collides with the design component of the washing machine body 1 so that the design component is It is possible to prevent damage in advance.

  Further, since the click mechanism is provided, the user can be given a click feeling of the opening / closing operation of the lid 3. Further, the click protrusion 14b and the protrusion 20a constituting the click mechanism are in frictional contact during the opening and closing operation of the lid 3, and thus function as means for reducing the rotational speed of the hinge arm member 12, and are determined by the user. This also acts as a resistance force when the lid 3 is closed with an excessive force, and has an effect of preventing the lid 3 from closing suddenly.

  In addition, since the push button 42 and the button base 41 are detachably mounted in the open / close lock mechanism 30, the top cover 4 can be released when the cover 3 is locked by the lock device 60 and cannot be released due to a power failure or the like. The lock pin 61 is pushed in with a wire or the like through the slit 4a of the button base 41, so that the lock can be easily released.

  In this example, three hinge springs 17 are used, and the middle hinge spring 17 is arranged so as to be biased in the direction opposite to the direction in which the lid 3 is opened so as to function as a damper. Also good.

It is a perspective view showing the state where the lid was opened in the washing machine of one embodiment of the present invention. It is a disassembled perspective view of the hinge mechanism of FIG. FIG. 2 is an explanatory perspective view of an installation relationship between the hinge mechanism and the top cover of FIG. 1. It is an expansion perspective view of the hinge mechanism in the state where the lid closed the opening. It is an expansion perspective view of the hinge mechanism in the state where the lid opened the opening. It is a disassembled perspective view which shows the open / close lock mechanism of a lid | cover. It is a perspective view of the state which assembled the lock unit of FIG. It is a perspective view of the state which assembled the whole lid lock mechanism. It is operation | movement explanatory drawing of the lock slide of FIG. It is operation | movement explanatory drawing of a locking device.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1 Washing machine main body, 2 opening part, 3 lid | cover, 4 top cover, 4a slit, 10 hinge mechanism, 12 hinge arm member, 14 curved surface part, 14a protrusion part, 14b protrusion for click, 17 hinge spring, 18 damper part, 19 Stopper, 20 push button, 20 leg, 20a protrusion, 21 connecting portion, 30 open / close lock mechanism.

Claims (11)

A washing machine body having a circular opening for taking in and out laundry, a lid for opening and closing the opening of the washing machine body, and a hinge mechanism for rotatably connecting the lid to one side of the washing machine body In a washing machine equipped with
The hinge mechanism has a hinge arm member having one end rotatably connected to the washing machine main body and the other end fixed to a lid, and the hinge arm member is coupled to the movement of the lid to open the opening. A curved surface portion that moves in a direction substantially perpendicular to the opening surface of the opening, and the curved surface portion bends the thin plate material into a curved shape, and the longitudinal sectional shape forms a curved shape. A washing machine, wherein a cross-sectional shape is formed in an arc shape along the opening shape of the opening.   A slit that follows the shape of the opening is formed in a top cover in which an opening corresponding to the opening of the washing machine body is formed, and the curved surface portion is inserted through the slit, and the curved surface according to the opening / closing operation of the lid The washing machine according to claim 1, wherein the portion passes through the slit.   The washing machine according to claim 1 or 2, wherein the lid that opens and closes the opening of the washing machine body includes a lid seal member for sealing the opening.   The washing machine according to any one of claims 1 to 3, wherein the hinge mechanism includes a plurality of hinge springs that urge the lid in the opening direction.   The washing machine according to claim 4, wherein four or more hinge springs are provided.   The laundry according to claim 4 or 5, further comprising a damper portion that acts when the urging force of the hinge mechanism in the opening direction of the lid is weakened and absorbs the force in the direction of closing the lid. Machine.   The washing machine according to any one of claims 1 to 6, further comprising a stopper that regulates a rotation range of the hinge arm member in an opening direction of the lid.   The stopper is formed of a pair of legs fixed to the washing machine body side and a connecting portion that connects the pair of legs, and is formed in a substantially U-shaped cross section. The washing machine according to claim 7, wherein the washing machine is attached to the washing machine body so as to face each other.   The laundry according to any one of claims 1 to 8, wherein the hinge mechanism includes a click mechanism that gives a click feeling to a user as the hinge arm member rotates by opening and closing the lid. Machine.   The click mechanism is formed on a plurality of click projections formed on both side edges of the curved surface portion of the hinge arm member, and on the surface of the leg portion of the stopper facing the edge portions on both sides of the curved surface portion. The washing machine according to claim 9, comprising a plurality of protruding portions.   On the other side opposite to the one side of the washing machine body, the lid is opened and closed by locking and unlocking the lid to the washing machine body, and the lid is locked so that it cannot be opened during the dehydration operation. The washing machine according to any one of claims 1 to 10, wherein an opening / closing lock mechanism is provided.

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