JP6924022B2 - Washing machine - Google Patents

Description

The present invention relates to a vertical washing machine.

The vertical washing machine described in Patent Document 1 includes a washing machine main body, a top cover placed on the upper part of the washing machine main body, and a lid body openable and closable on the top cover. In this vertical washing machine, a toggle spring for dampening the rotation of the lid and an impact absorbing damper are provided so that the lid can be opened and closed smoothly without generating a collision noise.

Japanese Patent No. 4513877

However, since the washing machine is provided with the toggle spring and the shock absorbing damper, the structure may be complicated, the manufacturing cost may be increased, and the assembly may be complicated.

Therefore, an object of the present invention is to provide a washing machine having a simple structure and capable of smoothly opening and closing a lid.

In order to solve the above problems, the washing machine of the present invention
A washing machine body with a laundry slot at the top and
A plate-shaped lid that opens and closes the laundry slot,
With
The above lid is
A rotating shaft portion provided on the edge portion of the lid body and rotatably supported on the upper portion of the washing machine main body, and a rotating shaft portion.
An open position where the laundry input port is opened and a closed position where the laundry input port is closed, which are provided at the near end portion closer to the rotation shaft portion in the orthogonal direction of the rotation shaft portion. It has a braking portion capable of braking the rotation of the lid body between the two.

According to the washing machine of the present invention, the opening position where the laundry loading port is opened and the laundry loading port are closed at the near end portion of the lid body in the direction orthogonal to the rotating shaft portion, which is closer to the rotating shaft portion. A braking portion is provided that can brake the rotation of the lid to and from the closed position. This makes it possible to realize a washing machine that can smoothly open and close the lid with a simple structure.

The perspective view of the washing machine of one Embodiment of this invention. The schematic diagram for demonstrating the structure of the washing machine of FIG. The block diagram of the washing machine of FIG. The perspective view of the top plate of the washing machine of FIG. FIG. 4 is a cross-sectional view of the top plate of FIG. A partially enlarged view of FIG. FIG. 5 is a cross-sectional view showing another example of the top plate of the washing machine of FIG.

Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments. In the following description, in explaining the configuration shown in the drawings, terms indicating directions such as "top", "bottom", "left", and "right", and other terms including them are used. However, the purpose of using these terms is to facilitate the understanding of embodiments through drawings. Therefore, these terms do not necessarily indicate the direction in which the embodiments of the present invention are actually used, and these terms limit the technical scope of the invention described in the claims. Should not be done.

As shown in FIG. 1, the washing machine 1 according to the embodiment of the present invention is a vertical washing machine including the washing machine main body 2. As shown in FIG. 2, the inside of the washing machine main body 2 is provided with an outer tub 20 and an inner tub 30 rotatably provided inside the outer tub 20. The outer tank 20 and the inner tank 30 each have a bottomed tubular shape with an open top, and are arranged so that the centers in the top view coincide with each other.

The vertical direction of FIG. 1 is defined as the vertical direction of the washing machine 1. Further, the X direction in FIG. 1 is the left-right direction of the washing machine 1, and the Y direction in FIG. 1 is the front-rear direction of the washing machine 1.

The washing machine main body 2 is composed of an outer box 10 and a top plate 11.

The outer box 10 is made of metal or synthetic resin and has a rectangular parallelepiped shape when viewed from the side. The upper surface and the bottom surface of the outer box 10 are open, the upper surface plate 11 made of synthetic resin is provided in the opening on the upper surface, and the base 12 made of synthetic resin is provided in the opening on the bottom surface.

The top plate 11 has a laundry loading port 14 capable of loading laundry into the washing machine 1, and an operation panel 5 for selecting an operation mode and the like. The laundry input port 14 is arranged substantially in the center of the top plate in the top view. Further, the operation panel 5 is arranged at the front corner of the upper surface plate 11.

A recess 111 (shown in FIG. 5) that is recessed downward is provided on the rear edge of the laundry loading port 14 on the upper surface of the top plate 11. The recess 111 has a substantially fan shape in a cross-sectional view along the front-rear direction of the washing machine 1. Further, in the recess 111, the upper lid 15, which is an example of a lid that opens and closes the laundry input port 14, is rotatably supported.

Further, a water supply valve 93 that opens and closes electromagnetically is arranged inside the upper surface plate 11. On the upstream side of the water supply valve 93, a connecting pipe 61 that penetrates the upper surface plate 11 and projects upward is provided. A water supply hose (not shown) for supplying tap water or other tap water is connected to the connection pipe 61. Further, the downstream side of the water supply valve 93 is connected to a container-shaped water supply port (not shown) arranged at a position facing the inside of the inner tank 30.

The base 12 has legs 13 for supporting the outer box 10. The legs 13 are arranged at the four corners of the base 12. Further, a connecting pipe 53 is provided on the side surface of the base 12.

The outer tank 20 has an outer drainage port 51 that opens at the bottom thereof, and is suspended from the outer box 10 by a suspension member (not shown). The suspension members are arranged at a total of four locations so as to connect the lower part of the outer tub 20 and the upper part of the outer box 10, and support the outer tub 20 so as to be swingable.

The inner tank 30 has a bottom portion 301, a peripheral side portion 302 extending upward from the peripheral edge of the bottom portion 301, and a substantially circular opening 303 at the upper portion facing the bottom portion 301, and water in which detergent is dissolved. Alternatively, washing water such as rinsing water can be stored. Further, the dehydration shaft 44 of the drive unit 40 is connected to the inner tank 30.

At the center of the bottom 301, a stirring blade 3 rotatably arranged in the forward and reverse directions is provided. The stirring blade shaft 45 of the drive unit 40 is connected to the stirring blade 3. Further, an inner drain port 57 is provided around the stirring blade shaft 45 of the bottom 301. The inner drainage port 57 is provided with an inner tank drainage valve 85 (shown in FIG. 3). The peripheral side portion 302 is provided with a plurality of dehydration holes 31 arranged at intervals at the upper portion.

Further, an annular balancer 32 is provided in the opening 303 of the inner tank 30. The balancer 32 is composed of an annular pipe extending in the circumferential direction of the dehydration shaft 44 (rotation shaft) of the inner tank 30. Inside the annular tube, an amount of liquid (for example, water) according to the design of the washing machine 1 or the like is stored.

The stirring blade 3 rotates according to an operation course or the like instructed by the user via the operation panel 5. For example, when performing a washing or rinsing operation, the stirring blade 3 repeatedly rotates alternately in the forward rotation direction and the reverse rotation direction at a rotation speed of 50 to 150 rpm. Further, when the dehydration operation is performed, the stirring blade 3 rotates in the reverse rotation direction together with the inner tank 30 at a rotation speed of 0 to 1000 rpm.

The drive unit 40 includes a motor 41, a belt mechanism 42 for transmitting the rotational output of the motor 41, a clutch / brake mechanism 43, and a dehydration shaft 44 and a stirring blade shaft coaxially arranged at the center of the clutch / brake mechanism 43. 45 and is included. The motor 41 rotates the stirring blade 3 and the inner tank 30. Further, the dehydration shaft 44 and the stirring blade shaft 45 have a double shaft structure in which the dehydration shaft 44 is arranged on the outside and the stirring blade shaft 45 is arranged on the inside. The dehydration shaft 44 penetrates the bottom surface of the outer tank 20 from below to above and supports the inner tank 30. The stirring blade shaft 45 penetrates the outer tank 20 from the lower side to the upper side, and further penetrates the bottom 301 of the inner tank 30 to support the stirring blade 3.

Further, the washing machine 1 has a drainage channel 50 composed of an inner drainage port 57, a seal holder 54, an outer drainage port 51, a water distribution pipe 52, and a connecting pipe 53. The outer tank drain valve 86 is provided at the outer drain port 51.

The seal holder 54 is arranged between the outer tank 20 and the inner tank 30, is connected to the outer drain port 51 of the outer tank 20, and communicates with the inside of the inner tank 30 via the inner drain port 57. There is. An oil seal (not shown) is press-fitted inside the seal holder 54, whereby the inner tank 30 is sealed, and an independent drainage space 56 is formed between the outer tank 20 and the inner tank 30. ..

The water distribution pipe 52 is arranged below the outer tank 20 and is connected to the outer drainage port 51 and the connecting pipe 53. A drain valve 58 is provided between the outer drain port 51 of the water distribution pipe 52 and the connection pipe 53. A drain hose (not shown) is connected to the connection pipe 53, and the outer tank 20 and the inner tank 20 are connected via the outer drain port 51 (outer tank drain valve 86), the water distribution pipe 52, the connection pipe 53, and the drain hose. The water in the tank 30 is drained to the outside of the outer box 10.

When washing or rinsing with the washing machine 1, the drain valve 58 is closed and water is stored only in the inner tub 30. Further, when the dehydration operation is performed, the drain valve 58 is opened and the water in the inner tank 30 is drained to the outside. During each operation, the dehydration shaft 44, the stirring blade shaft 45, and the inner tank 30 are rotated by the drive of the motor 41, but the inner tank 30 is moved to the seal holder 54 by the oil seal press-fitted inside the seal holder 54. On the other hand, it can continue to have a watertight structure while being relatively rotatable.

Further, the washing machine 1 includes a control device 70 provided inside the upper surface plate 11. The control device 70 has a CPU for performing calculations and the like, a ROM and a RAM for storing programs or data necessary for controlling the washing machine 1, and as shown in FIG. 3, an operation panel 5 and a water level sensor. The drive unit 40, the heat pump unit 92, the water supply valve 93, the inner tank drain valve 85, the outer tank drain valve 86, and the like are controlled based on the signal from 91 and the like.

Subsequently, the upper lid 15 of the washing machine 1 will be described in detail with reference to FIGS. 4 to 6.

As shown in FIGS. 4 and 5, the upper lid 15 has a substantially circular plate shape, and has a rotating shaft portion 151 and a braking portion 16.

The rotation shaft portion 151 extends along the left-right direction of the upper surface plate 11, and is rotatably supported by the upper surface plate 11 in the recess 111 of the upper surface plate 11 as shown in FIG. That is, the rotating shaft portion 151 is provided on the edge portion of the upper lid 15 and is rotatably supported on the upper portion of the washing machine main body 2, and the center thereof is the rotating shaft C of the upper lid 15.

As shown in FIG. 5, the braking portion 16 is integrally provided at the near end portion 152 of the upper lid 15 closer to the rotating shaft portion 151 in the orthogonal direction (front-back direction) of the rotating shaft portion 151, and is used to load the laundry. The rotation of the upper lid 15 is braked between the open position P1 at which the mouth 14 is opened and the closed position P2 at which the laundry loading port 14 is closed.

Specifically, as shown in FIG. 6, the braking portion 16 is composed of a weight member 161 and an accommodating portion 162 accommodating the weight member 161. In the weight member 161, the near end portion 152 is located above the closing position P2 in the rotation direction A, and the weight member 161 is farther from the rotation shaft portion 151 in the orthogonal direction (front-back direction) of the rotation shaft portion 151. In a state where the end portion 153 is located below the rotation direction A with respect to the closed position P2, the portions on both sides of the upper lid 15 in the orthogonal direction (front-rear direction) with respect to the rotation shaft portion 151 are balanced. ..

That is, the weight member 161 is configured and arranged so that both side portions of the upper lid 15 in the front-rear direction with respect to the rotation shaft portion 151 are balanced at the equilibrium position P3. The upper lid 15 rotates between the open position P1 and the closed position P2. Therefore, in reality, the upper lid 15 is not located at the equilibrium position P3.

As described above, in the washing machine 1, the opening position P1 at which the laundry input port 14 is opened and the washing are performed at the near end portion 152 of the upper lid 15 closer to the rotating shaft portion 151 in the orthogonal direction of the rotating shaft portion 151. A braking portion 16 capable of braking the rotation of the upper lid 15 with the closing position P2 at which the loading port 14 is closed is provided. As a result, it is possible to realize a washing machine 1 that can smoothly open and close the upper lid 15 with a simple structure.

Further, the braking portion 16 is composed of a weight member 161 and an accommodating portion 162. As a result, it is possible to realize a washing machine 1 that can smoothly open and close the upper lid 15 with a simpler structure.

Further, the weight member 161 is configured so as to balance both sides of the upper lid 15 in the direction orthogonal to the rotation shaft portion 151 in a state where the near end portion 152 is located above the closing position P2 in the rotation direction A. ing. As a result, the rotation of the upper lid 15 from the open position P1 to the closed position P2 can be made smoother than in the case where the balanced position of the upper lid 15 is the closed position P2.

The washing machine 1 may further include a braking damper 17. As shown in FIG. 7, the braking damper 17 is provided around, for example, the rotation shaft portion 151 of the upper lid 15 to brake the rotation of the upper lid 15. By providing the braking damper 17, the opening / closing operation of the upper lid 15 becomes smoother.

Further, the weight member 161 is preferably made of a material having a high density such as metal.

Further, the accommodating portion 162 may be provided as long as it can accommodate the weight member 161 and may be provided integrally with the upper lid 15 as in the above embodiment or may be provided separately.

Further, the weight member 161 may be configured to be detachable from the accommodating portion 162, or the weight member 161 once accommodated may be configured so as not to be removed from the accommodating portion 162.

Further, the open position P1 may be a position where the laundry loading port 14 is opened to such an extent that the laundry can be loaded into the inner tub 30.

Further, the braking portion 16 is not limited to the case where the weight member 161 and the accommodating portion 162 are formed. The braking portion 16 can be arbitrarily adopted as long as the rotation of the upper lid 15 between the open position P1 and the closed position P2 can be braked.

The present invention is not limited to the washing machine 1 of the above embodiment, and can be applied to a vertical washing machine having an arbitrary configuration.

Although various embodiments of the present invention have been described in detail with reference to the drawings, finally, various embodiments of the present invention will be described.

The washing machine of the first embodiment of the present invention
A washing machine body 2 having a laundry inlet 14 at the top,
A plate-shaped lid 15 that opens and closes the laundry inlet 14 and
With
The lid 15
A rotating shaft portion 151 provided on the edge portion of the lid body 15 and rotatably supported on the upper portion of the washing machine main body 2.
The opening position P1 and the laundry loading port 14 are closed, which are provided at the near end portion 152 closer to the rotating shaft portion 151 in the orthogonal direction of the rotating shaft portion 151, and the laundry loading port 14 is opened. It has a braking portion 16 capable of braking the rotation of the lid 15 with respect to the closed position P2.

According to the washing machine of the first embodiment, the laundry input port 14 is opened to the near end portion 152 of the lid body 15 closer to the rotation shaft portion 151 in the orthogonal direction of the rotation shaft portion 151. A braking portion 16 capable of braking the rotation of the lid 15 between the position P1 and the closed position P2 where the laundry input port 14 is closed is provided. As a result, it is possible to realize a washing machine 1 that can smoothly open and close the lid 15 with a simple structure.

Further, the washing machine according to the second embodiment of the present invention is
The braking portion 16 has a weight member 161 and an accommodating portion 162 that accommodates the weight member 161.

According to the washing machine of the second embodiment, it is possible to realize the washing machine 1 which can smoothly open and close the lid 15 with a simpler structure.

Further, the washing machine according to the third embodiment of the present invention is
The weight member 161
In a state where the near end portion 152 is located above the closing position P2 in the rotation direction A of the lid body 15, the portions on both sides of the lid body 15 in the orthogonal direction with respect to the rotation shaft portion 151 are balanced. It is configured as follows.

According to the washing machine of the third embodiment, the upper lid 15 is smoothly rotated from the open position P1 to the closed position P2 as compared with the case where the balanced position of the lid 15 is the closed position P2. Can be done.

Further, the washing machine according to the fourth embodiment of the present invention is
A braking damper 17 for braking the rotation of the lid body 15 is further provided.

According to the washing machine of the fourth embodiment, the opening / closing operation of the upper lid 15 can be made smoother.

By appropriately combining any of the various embodiments or modifications, the effects of each can be achieved. In addition, it is possible to combine embodiments or examples, or between embodiments and examples, and it is also possible to combine features in different embodiments or examples.

1 Washing machine 2 Washing machine body 3 Stirring blade 5 Operation panel 10 Outer box 11 Top plate 111 Recess 12 Base 13 Leg 14 Laundry inlet 15 Top lid 151 Rotating shaft 152 Near end 16 Braking section 17 Braking damper 20 Outside Tank 30 Inner tank 301 Bottom 302 Peripheral side 303 Opening 31 Dewatering hole 32 Balancer 40 Drive unit 41 Motor 42 Belt mechanism 43 Clutch / brake mechanism 44 Dewatering shaft 45 Stirring blade shaft 50 Drainage channel 51 Outer drainage port 52 Drainage pipe 53 connection Pipe 54 Seal holder 56 Drain space 57 Inner drain port 58 Drain valve 61 Connection pipe 70 Control device 85 Inner tank drain valve 86 Outer tank drain valve 91 Water level sensor 92 Heat pump unit 93 Water supply valve C Rotation axis A Rotation direction P1 Open position P2 Closed position P3 Balanced position

Claims (3)

A washing machine body with a laundry slot at the top and
A flat lid that opens and closes the laundry slot,
With
The above lid is
A rotating shaft portion provided on the edge portion of the lid body and rotatably supported on the upper portion of the washing machine main body, and a rotating shaft portion.
An end portion that is far from the rotation shaft portion in the direction orthogonal to the rotation shaft portion, and a far end portion that closes the laundry input port between the rotation shaft portion and the laundry input port.
An end portion that is opposite to the far end portion in the orthogonal direction of the rotation shaft portion, and a near end portion that is closer to the rotation shaft portion than the far end portion.
It has a braking portion capable of braking the rotation of the lid body between the open position where the laundry input port is opened and the closed position where the laundry input port is closed.
The braking part has a weight member and has a weight member.
In the lid body at the closed position, the far end portion is located lower than the near end portion, and the weight member is located at the near end portion above the rotation shaft portion.
The lid body at the closed position is a washing machine in which at least a part of the weight member overlaps the rotation shaft portion in the vertical direction. In the washing machine according to claim 1,
A washing machine in which a recess is provided at the edge of the laundry inlet, and the near end of the lid is located in the recess at the open position. In the washing machine according to claim 1 or 2.
A washing machine further provided with a braking damper that brakes the rotation of the lid.

Images