JP2020174917A - Washing machine - Google Patents

Abstract

To provide a washing machine capable of improving appearance quality and productivity.SOLUTION: A washing machine includes a washing machine body 1, an upper frame body 2 constituting an upper part of the washing machine body 1, an operation display unit 4 disposed at the rear of the upper frame body 2, an input port 31 for laundry formed in a front position of the operation display unit 4 of the upper frame body 2, and a lid body 3 closing the input port 31 so as to be openable/closable. The lid body 3 is provided with a lid body shaft 112 rotatably supporting the lid body 3 on the upper frame body 2 from a hinge part 111 of an end part toward inside. The lid body shaft 112 has a space part 16, and in the space part 16, a lid hinge shaft 18 that will be a support shaft for the lid body 3, a hinge spring 17 for biasing the lid body 3 in an opening direction, and a hinge fitting plate 19 that is provided with a shaft hole 19a engaging with the lid hinge shaft 18 are provided. A hinge guide groove 2d for supporting the lid body shaft 112 is formed on an upper frame body 2. The lid body shaft 112 and a the hinge guide groove 2d are covered with the operation display unit 4.SELECTED DRAWING: Figure 5

Description

The present invention relates to a washing machine having an operation display unit at the rear.

Conventionally, a washing machine is provided with a lid that opens and closes the entrance and exit of laundry. The lid is rotatably attached to the washing machine by a hinge structure. In order to improve the opening / closing operability of the lid body, the lid body is provided with a hinge spring that generates an urging force in the opening direction or the closing direction of the lid body. One end of the hinge spring is fixed to the hinge portion formed on the lid, and the other end is attached to the upper frame of the washing machine to urge the lid to rotate in the opening or closing direction. There is.

The hinge portion includes a lid hinge shaft that pivotally supports the lid body, a hinge spring, and a lid hinge shaft hole provided with a lid hinge shaft hole that engages with the lid hinge shaft in a space formed inside. It is arranged (see, for example, Patent Document 1).

Hereinafter, the conventional washing machine described in Patent Document 1 will be described with reference to FIGS. 6 to 8.

FIG. 6 is an external perspective view of a conventional washing machine in a closed state. FIG. 7 is an external perspective view of the washing machine with the lid open. FIG. 8 is an exploded perspective view of the lid of the washing machine.

In a conventional washing machine, an upper frame body 2 is placed on the upper part of the washing machine main body 1, and a lid body 3 is pivotally supported on the upper frame body 2 so as to be openable and closable. Behind the upper frame body 2, an operation display unit 4 that controls the operation of the washing machine 100 is arranged.

The lid 3 has a rear lid 6 having a hinge portion 111, and a front lid 7 rotatably supported by the rear lid 6 by a split fulcrum portion 5. In the lid body 3, a handle portion 10 is formed on the upper surface of the front lid body 7, and by lifting the handle portion 10, the lid portion 3 rotates around the hinge portion 111 as a fulcrum, and is bent and opened by the split fulcrum portion 5.

The front lid body 7 has a front lid lower body 7A and a front lid upper body 7B mounted on the front lid lower body 7A. The rear lid body 6 has a rear lid lower body 6A and a rear lid upper body 6B mounted on the rear lid lower body 6A. A lid hinge cover 12 for covering the internal structure of the hinge portion 111 is provided on the left and right hinge portions 111 of the rear lid body 6.

In the upper frame body 15, insertion holes 2a are formed at the left and right ends behind the upper frame body 2. A lid hinge bearing 13 provided with a lid hinge shaft hole 13a is inserted into the insertion hole 2a, and is fastened and fixed to a screw boss 2b integrally formed on the back surface of the upper frame 2 with a mounting screw 14. In FIG. 8, the right hinge portion 111 shows the state in which the lid hinge bearing 13 is disassembled, and the left hinge portion 111 shows the state in which the lid hinge bearing 13 is attached. Further, by combining the rear lid lower body 6A and the rear lid upper body 6B, hinge portions 111 are formed on the left and right sides of the rear lid body 6.

A space portion 16 is formed in the hinge portion 111, and the space portion 16 rotatably supports a hinge spring 17 that applies an urging force in the opening direction or the closing direction of the lid body 3 and a rear lid body 6. A lid hinge shaft 18 and a hinge mounting plate 19 are arranged.

The hinge mounting plate 19 is made of a metal steel plate or the like and is formed by being bent into a U shape, and shaft holes 19a are provided on both side surfaces of the hinge mounting plate 19. The lid hinge shaft 18 is supported through the shaft holes 19a on both sides of the hinge mounting plate 19, and the hinge spring 1 is supported between the shaft holes 19a on both sides.
The center of the coil of 7 is penetrated and held. The hinge spring 17 includes a locking portion 17a for the upper frame body 2 and a locking portion 17b for the lid body 3. The hinge spring 17, the lid hinge shaft 18, and the hinge mounting plate 19 are assembled to form lid hinge shaft units 21 on the left and right sides of the lid 3.

In the lid hinge shaft unit 21, the hook convex portion 19b of the hinge mounting plate 19 is engaged with the space portion 16 of the rear lid lower body 6A by claw fitting, and the hook convex portion 19b is separated from the hook convex portion 19b by the screw 20. , It is attached to the screw hole 6a integrally formed with the rear lid body 6 by fastening and fixing. In FIG. 8, the lid hinge shaft unit 21 on the left side shows a state in which each component is assembled, and the lid hinge shaft unit 21 on the right side shows a state in which each component is disassembled. The locking portion 17b of the hinge spring 17 is fixed between the hinge mounting plate 19 and the rear lid lower body 6A. Hinge shafts 2c that rotatably support the lid 3 are provided on the left and right side surfaces of the operation display unit 4 of the upper frame body 2, and the side surfaces of the left and right hinge portions 111 of the lid 3 (on the operation display unit 4 side). The hinge shaft 2c is inserted into the hinge guide groove 6b formed on the side surface) to hold the lid 3.

Japanese Unexamined Patent Publication No. 2016-187369

However, in the above lid, since the hinge spring or the like is arranged inside the hinge portion, the width dimension of the hinge portion becomes wide, and the width dimension of the operation display portion cannot be substantially the same as the width dimension of the housing. It has a problem in appearance quality.

The present invention solves the above-mentioned conventional problems, and an object of the present invention is to provide a washing machine for improving appearance quality.

The washing machine of the present disclosure includes a washing machine main body, an upper frame body constituting the upper part of the washing machine main body, an operation display unit arranged at the rear portion of the upper frame body, and the operation display of the upper frame body. The lid is provided with a laundry loading port formed at a front position of the unit and a lid that rotatably closes the loading port, and the lid is provided with the lid inward from the hinge portion at the end. A lid shaft portion that rotatably supports the upper frame is provided, the lid shaft portion has a space portion, and the space portion includes a lid hinge shaft that serves as a support shaft for the lid body. A hinge spring that urges the lid in the opening direction and a hinge mounting plate provided with a shaft hole that engages with the lid hinge shaft are arranged, and the lid shaft portion is supported on the upper frame. The hinge guide groove is formed, and the lid shaft portion and the hinge guide groove are covered by the operation display unit.

The washing machine in the present disclosure can improve the appearance quality.

External view of the lid closed state of the washing machine according to the embodiment of the present invention External view of the washing machine with the lid open An exploded perspective view of the lid of the washing machine Perspective view showing the lid shaft portion of the lid of the washing machine An exploded perspective view showing the mounting structure of the lid of the washing machine to the upper frame. External perspective view of a conventional washing machine with the lid closed External perspective view of the washing machine with the lid open An exploded perspective view of the lid of the washing machine

The washing machine of the present disclosure includes a washing machine main body, an upper frame body constituting the upper part of the washing machine main body, an operation display unit arranged at the rear portion of the upper frame body, and the operation display of the upper frame body. The lid is provided with a laundry loading port formed at a front position of the unit and a lid that rotatably closes the loading port, and the lid is provided with the lid inward from the hinge portion at the end. A lid shaft portion that rotatably supports the upper frame is provided, the lid shaft portion has a space portion, and the space portion includes a lid hinge shaft that serves as a support shaft for the lid body. A hinge spring that urges the lid in the opening direction and a hinge mounting plate provided with a shaft hole that engages with the lid hinge shaft are arranged, and the lid shaft portion is supported on the upper frame. The hinge guide groove is formed, and the lid shaft portion and the hinge guide groove are covered by the operation display unit.

With such a configuration, it is not necessary to provide a space for arranging the hinge spring or the like of the hinge portion, which is conventionally required, and the hinge portion can be made smaller. As a result, the width dimension of the operation display unit can be made substantially the same as the width dimension of the housing, so that the appearance quality around the operation display unit can be improved.

In addition, the lid hinge bearing attached to the upper frame is not required, and the lid hinge cover does not need to be attached after the lid is attached to the upper frame unit, which makes it easier to assemble and remove the lid. It can be improved.

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

The schematic configuration of the washing machine 100 will be described with reference to FIGS. 1 and 2.

An upper frame body 2 is placed on the upper part of the washing machine main body 1, and an operation display unit 4 for controlling the operation of the washing machine 100 is arranged behind the upper frame body 2. A lid 3 is pivotally supported on the upper frame 2 at a position in front of the operation display unit 4 so as to be openable and closable.

As shown in FIG. 2, the lid 3 has a rear lid 6 having a hinge portion 111 and a front lid 7 rotatably supported by the rear lid 6 by a split fulcrum portion 5. The lid body 3 has a handle portion 10 formed on the upper surface of the front lid body 7, and by lifting the handle portion 10, it rotates around the hinge portion 111 as a fulcrum, and is bent and opened at the split fulcrum portion 5.

As shown in FIG. 2, the lid 3 in the open state is folded so that the split fulcrum portion 5 is in the upper position, and is located in the rear upper part of the upper frame body 2. The upper frame body 2 is formed with a slot 31 for loading clothing.

As shown in FIG. 3, the front lid body 7 has a front lid lower body 7A and a front lid upper body 7B mounted on the front lid lower body 7A. The rear lid body 6 has a rear lid lower body 6A and a rear lid upper body 6B mounted on the rear lid lower body 6A.

The operation display unit 4 includes a display unit 41 and an operation button 42. The user can confirm the washing operation information displayed on the display unit 41 and set an instruction regarding the washing operation by using the operation button 42. The operation display unit 4 is arranged at the rear portion of the upper frame body 2. Since the operation display unit 4 is located behind the loading port 31, the user can easily load and unload the laundry into and from the loading port 31.

The width dimension of the operation display unit 4 is substantially the same as the width dimension of the lid body 3. A step is not formed between the long side of the operation display unit 4 and the rear lid body 6 when the lid body 3 is in the closed state. Therefore, when the lid 3 is in the closed state, the operation display unit 4 and the lid 3 form substantially the same surface. Further, when the lid body 3 is in the open state, the lid body 3 is located behind the operation display unit 4. Therefore, the user can visually recognize the display unit 41 and use the operation button 42 even when the lid 3 is in the open state.

The configuration of the lid 3 will be described with reference to FIG.

The front lid 7 has a front lid lower body 7A, a front lid upper body 7B mounted on the front lid lower body 7A, a front lid outer peripheral portion 7C, and a handle portion 10.

The rear lid body 6 has a rear lid lower body 6A, a rear lid upper body 6B mounted on the rear lid lower body 6A, and a rear lid outer peripheral portion 6C. The rear lid outer peripheral portion 6C is arranged on both side surfaces of the rear lid upper body 6B, and is provided at two locations on the left and right respectively. A part of the divided fulcrum portion 5 is formed at the rear end portion of the front lid lower body 7A and the front end portion of the rear lid lower body 6A, respectively.

The folded lid shaft portion guide plate 50 is fixed to a part of the split fulcrum portion 5 in the rear lid lower body 6A by a screw 23. A part of the split fulcrum portion 5 in the front lid lower body 7A and a part of the split fulcrum portion 5 in the rear lid lower body 6A are engaged, and the engaged portion is covered with the bent lid shaft portion guide plate 50 to cover the front lid body. 7 and the rear lid 6 are rotatably connected.

Further, by combining the rear lid lower body 6A and the rear lid outer peripheral portion 6C, hinge portions 111 are formed on the left and right sides of the rear lid body 6, and a lid shaft portion 112 is formed inside the hinge portion 111.

As shown in FIG. 4, a space portion 16 is formed in the lid body shaft portion 112, and a hinge spring 17 for urging the lid body 3 in the opening direction and a rear lid body 6 are rotated in the space portion 16. A lid hinge shaft 18 that freely supports the lid and a hinge mounting plate 19 are arranged. The hinge mounting plate 19 is made of a metal steel plate or the like, and is formed by being partially bent into a U shape, and shaft holes 19a are provided on both side surfaces of the U shape of the hinge mounting plate 19. .. The lid hinge shaft 18 is supported by penetrating through the shaft holes 19a on both sides of the hinge mounting plate 19, and is held through the center of the hinge spring 17 between the shaft holes 19a on both sides. The hinge spring 17 includes a locking portion 17a for the upper frame body 2 and a locking portion 17b for the lid body 3.

The hinge spring 17, the lid hinge shaft 18, and the hinge mounting plate 19 are arranged on the lid shaft portion 112 of the rear lid lower body 6A, and are attached to the rear lid lower body 6A with screws 22. The locking portion 17b of the hinge spring 17 is fixed to the hole 19b of the hinge mounting plate 19, and the locking portion 17a protrudes from the lid 3. Note that FIG. 4 shows a state in which the rear lid upper body 6B and the rear lid outer peripheral portion 6C are not attached.

Next, a procedure for incorporating the unitized lid 3 into the upper frame 2 will be described with reference to FIG.

As shown in FIG. 5, hinge guide grooves 2d and spring insertion holes 2e that rotatably support the lid 3 are formed at the rear left and right ends of the upper frame 2. When incorporating the unitized lid 3 into the upper frame 2, the hinge spring 17 locking portion 17a protruding from the lid 3 is brought close to the upper frame 2 with the lid 3 open. It is inserted into the spring insertion hole 2e of the upper frame body 2 and the lid hinge shaft 18 is fitted into the hinge guide groove 2d of the upper frame body 2.

After the lid 3 is attached to the upper frame 2, the lid rotation shaft guide plate 60 is fastened and fixed to the upper frame 2 with screws 25 so as to sandwich a part of the lid shaft portion 112 of the lid 3. As a result, the lid body 3 can rotate about the lid body shaft portion 112 of the lid body 3.

Next, the operation display unit 4 is attached so as to cover the lid shaft portion 112 of the lid body 3, and is fastened and fixed to the upper frame body 2 with screws 24 so that the lid shaft portion 112 and the like of the lid body 3 can be attached. It will not be visible from the outside.

Further, the procedure for removing the lid body 3 from the upper frame body 2 can be easily removed by a procedure completely opposite to the procedure for attaching the lid body 3.

The operation and operation of the structure of the lid 3 in the washing machine 100 configured as described above will be described below.

In the washing machine of the present disclosure, it is not necessary to provide a space for arranging the hinge spring 17 and the like of the hinge portion 111 inside the lid 3 as in the conventional case, and the hinge portion 111 can be made smaller. Does not impair the space for the operation display unit 4.

Since the width dimension of the operation display unit 4 in the present embodiment can be substantially the same as the width dimension of the lid, the operation buttons 42 and the display unit 41 can be widely arranged. As a result, the number of operation buttons 42 can be increased, or the interval between the operation buttons 42 can be widened, and the operability is improved. Further, since it is difficult to feel the presence of the hinge portion 111 in either the closed state or the open state of the lid body 3, the appearance quality around the operation display unit 4 can be improved.

Since the operation display unit 4 covers the lid shaft portion 112 of the lid body 3, there are no gaps or irregularities on the surfaces of the operation display unit 4 and the upper frame body 2. Therefore, even if detergent or the like is spilled, it can be easily wiped off. In addition, there is no problem in the opening / closing operation of the lid 3 due to foreign matter entering the gap or unevenness, and the reliability of the opening / closing operation of the lid 3 can be improved.

Further, in the washing machine of the present disclosure, the lid hinge bearing 13 provided with the lid hinge shaft hole 13a, which has been conventionally attached to the upper frame body 2 side, is not required, the number of parts can be reduced, and the lid body 3 can be reduced. Workability for installation and removal can be improved.

As described above, the present invention can improve the reliability of the operation of the lid of the washing machine, improve the productivity and design, and improve the convenience of maintenance and cleaning. A washing machine can be provided. Therefore, it can be widely used in various washing machines and washer / dryers for home and business use.

1 Washing machine body 2 Upper frame body 2a Insert hole 2b Screw boss 2c Hinge shaft 2d Hinge guide groove 2e Spring insertion hole 3 Lid 4 Operation display unit 5 Divided fulcrum 6 Rear lid 6a Screw hole 6b Hinge guide groove 6A Rear Lower lid 6B Rear lid upper body 6C Rear lid outer circumference 7 Front lid 7A Front lid lower body 7B Front lid upper body 7C Front lid outer circumference 10 Handle 111 Hinge 112 Lid shaft 12 Lid hinge cover 13 Lid hinge bearing 13a Lid hinge shaft hole 15 Upper frame unit 16 Space part 17 Hinge spring 17a Locking part 17b Locking part 18 Lid hinge shaft 19 Hinge mounting plate 19a Shaft hole 19b Hole 21 Lid hinge shaft unit 31 Input port 41 Display 42 Operation button 50 Folded lid shaft guide plate 60 Lid rotation shaft guide plate

Claims (1)

The washing machine main body, the upper frame body constituting the upper part of the washing machine main body, the operation display unit arranged at the rear part of the upper frame body, and the operation display unit formed at the front position of the operation display unit of the upper frame body. It is provided with a laundry loading port and a lid that closes the loading port so that it can be opened and closed.
The lid body is provided with a lid body shaft portion that rotatably supports the lid body on the upper frame body from the hinge portion at the end toward the inside, and the lid body shaft portion has a space portion. A hinge mounting plate provided with a lid hinge shaft serving as a support shaft for the lid, a hinge spring for urging the lid in the opening direction, and a shaft hole for engaging with the lid hinge shaft in the space. And arrange,
A hinge guide groove for supporting the lid shaft portion is formed in the upper frame body.
A washing machine that covers the lid shaft portion and the hinge guide groove with the operation display unit.

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