JP7086538B2 - washing machine - Google Patents

Description

The present invention relates to a washing machine having a mechanical switch operation button on the upper surface of the apparatus.

Patent Document 1 discloses a drum-type washing machine with improved design and operability, which includes an operation panel including a main power button composed of a mechanical (contact type) switch and a touch switch. ing. That is, it is considered that using a touch switch on the operation panel is effective for improving the design and operability, but only the main power button is a machine in order to reduce the standby power when the washing machine is not in use. It is desirable to use an expression switch.

In a mechanical switch used in a washing machine, a waterproof mechanism is required to prevent water from entering from around the switch and the operation board from getting wet by the infiltrated water. Patent Document 2 discloses a structure in which a labyrinth structure is provided around a mechanical switch to waterproof an operation board arranged below the switch.

JP-A-2015-43869 Japanese Unexamined Patent Publication No. 2013-143988

Patent Document 2 only discloses a structure in which water that has entered from the periphery of the mechanical switch is released by using a labyrinth structure so that the water that has entered from the periphery of the mechanical switch does not get caught on the operation board. It is not considered whether to drain. In reality, the water that has escaped so as not to hang on the operation board is then drained into the frame of the washing machine.

However, in the frame of the washing machine, not only the operation board but also the wiring, the connector, and the like are arranged, and if water is splashed on these, a problem such as a short circuit occurs. Therefore, when draining the water released by the waterproof mechanism of the mechanical switch into the frame, it is necessary to take sufficient waterproof measures for the electrical parts of the wiring and the connector. In addition, the water drained inside the frame collects on the parts (bottom base) at the bottom of the device, and the water collected in the frame is difficult for the user to clean, which causes a problem in terms of hygiene.

The present invention has been made in view of the above problems, and an object of the present invention is to provide a washing machine provided with a waterproof mechanism of a mechanical switch having a structure for avoiding drainage into a frame of an apparatus main body.

In order to solve the above problems, the present invention is a washing machine having a mechanical switch operation button on the upper surface of the apparatus main body, and prevents water entering from around the operation button from splashing on the operation board. It has a waterproof mechanism, and the waterproof mechanism is characterized in that water that has entered from the periphery of the operation button is discharged to the outside of the frame of the apparatus main body.

According to the above configuration, the water that has entered from around the operation button of the mechanical switch can be discharged to the outside of the washing machine by the waterproof mechanism, and the water can be prevented from entering the inside of the washing machine. This eliminates (or can reduce) the risk of water splashing on the wiring, connectors, etc. around the operation board in the washing machine. Therefore, it is possible to omit (or simplify) waterproof measures for wiring, connectors, and the like. In addition, it is possible to prevent the drained water from accumulating on the parts (bottom base) at the bottom of the main body of the apparatus, and it is possible to solve the hygiene problem when draining into the machine.

Further, in the washing machine, the waterproof mechanism is upward with respect to the main bottom portion having an opening for exposing the mechanical switch in the internal region and surrounding the outer edge of the main bottom portion. The first outer frame portion erected in the water, the inner frame portion erected above the main bottom portion so as to surround the circumference of the opening of the main bottom portion, and the inner frame portion erected above the main bottom portion are provided in connection with the main bottom portion. A first member having a drainage portion formed so as to be lower than the main bottom portion and guiding the water accumulated on the main bottom portion to the outside of the machine, and the first member of the first member. Above the inner frame portion, a button bottom portion arranged so as to cover the entire inner frame portion and a second outer frame erected above the button bottom portion so as to surround the entire outer edge of the button bottom portion. A button projection portion whose upper surface serves as an operation button, and an internal region of the second outer frame portion, which are formed so as to stand upward from the bottom of the button in the inner region of the second outer frame portion. The waterproof mechanism comprises a second member provided with a drainage hole portion formed in the above and for directly discharging the water accumulated on the bottom portion of the button onto the drainage portion of the first member. After receiving the water that has entered from around the operation button at the bottom of the button of the second member, the water is directly discharged from the drain hole portion onto the drainage portion of the first member, and is discharged from the drainage portion to the outside of the machine. The first guide path to be discharged to the water and the water that has passed through the second outer frame portion of the second member are received by the main bottom portion of the first member, and then guided from the main bottom portion to the drainage portion. However, it can be configured to have a second guide path for discharging from the drainage portion to the outside of the machine.

Further, in the washing machine, the waterproof mechanism is provided in connection with a main bottom portion having an opening for exposing the mechanical switch in an internal region and the main bottom portion, and is more than the main bottom portion. A first member comprising a drainage portion formed so as to be lowered in position and guiding water accumulated on the main bottom portion to the outside of the machine, and the opening above the opening of the first member. The bottom of the button is arranged so as to cover the entire bottom of the button, the second outer frame portion is erected above the bottom of the button so as to surround the entire outer edge of the bottom of the button, and the inside of the second outer frame portion. In the area, it is formed so as to stand upward from the bottom of the button, and its upper surface is formed in the button protrusion portion to be the operation button and the inner region of the second outer frame portion, and is accumulated on the bottom of the button. The waterproof mechanism comprises a second member including a drainage hole portion for directly discharging water onto the drainage portion of the first member, and the waterproof mechanism receives water infiltrated from around the operation button. It has a first guide path that is received at the bottom of the button of the second member, then drains directly from the drain hole portion onto the drain portion of the first member, and is discharged from the drain portion to the outside of the machine. Can be configured as

Further, in the washing machine, the waterproof mechanism is upward with respect to the main bottom portion having an opening for exposing the mechanical switch in the internal region and surrounding the outer edge of the main bottom portion. The first outer frame portion erected in the main bottom portion, the inner frame portion erected above the main bottom portion so as to surround the circumference of the opening of the main bottom portion, and the inner frame portion erected above the main bottom portion are provided in connection with the main bottom portion. A first member having a drainage portion formed so as to be lower than the main bottom portion and guiding the water accumulated on the main bottom portion to the outside of the machine, and the first member of the first member. Above the inner frame portion, a button bottom portion arranged so as to cover the entire inner frame portion, and a button protrusion portion whose upper surface is formed by standing upward from the button bottom portion and whose upper surface serves as the operation button. The waterproof mechanism comprises, and the waterproof mechanism receives water infiltrated from the periphery of the operation button at the bottom of the button of the second member, and the button of the second member. It has a second guide path that receives the water that has flowed down from the bottom portion at the main bottom portion of the first member, guides the water from the main bottom portion to the drainage portion, and discharges the water from the drainage portion to the outside of the machine. It can be configured.

Further, in the washing machine, the waterproof mechanism can be configured to discharge water that has entered from around the operation button from the front surface of the apparatus main body to the outside of the frame.

According to the above configuration, the water discharged to the outside of the machine by the waterproof mechanism is discharged from the front surface of the main body of the apparatus, so that the user can easily clean the water.

In the washing machine of the present invention, water that has entered from around the operation button of the mechanical switch is discharged to the outside of the washing machine by a waterproof mechanism, so that the wiring, connectors, etc. around the operation board in the washing machine are discharged. It has the effect of being able to omit (or simplify) the waterproof measures in. In addition, it is possible to prevent the drained water from accumulating on the parts (bottom base) at the bottom of the main body of the device, and it also has the effect of solving the hygienic problem when draining into the machine.

It is a perspective view which shows the appearance in the state which the door of the drum type washing machine which concerns on embodiment of this invention is closed. It is a perspective view which shows the appearance of the drum type washing machine of FIG. 1 in the open state. It is a perspective view which shows the state which the upper surface frame plate was removed from the apparatus main body of the drum type washing machine of Embodiment 1. FIG. 2 is a view showing a waterproof cover in the waterproof mechanism of the second embodiment, (a) is a perspective view, (b) is a plan view, and (c) is a sectional view taken along the line AA in (b). 2 is a view showing a button shield in the waterproof mechanism of the second embodiment, (a) is a perspective view, (b) is a plan view, and (c) is a sectional view taken along line BB in (b). It is a perspective view which shows the state which the upper surface frame plate is removed from the apparatus main body of the drum type washing machine of Embodiment 2, and only the waterproof cover is arranged on the substrate unit. It is a figure which shows the waterproof mechanism in Embodiment 2, and is the sectional view which looked at the waterproof mechanism in the state attached to the apparatus main body from the side. It is a figure which shows the waterproof mechanism in Embodiment 3, and is the sectional view which looked at the waterproof mechanism in the state attached to the apparatus main body from the side. It is a figure which shows the waterproof mechanism in Embodiment 4, and is the sectional view which looked at the waterproof mechanism in the state attached to the apparatus main body from the side.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

[Embodiment 1]
FIG. 1 is a perspective view showing the appearance of the drum type washing machine 1 according to the first embodiment in a closed state. FIG. 2 is a perspective view showing the appearance of the drum type washing machine 1 in a state where the door 20 is open. Hereinafter, for convenience of explanation, the direction in which the door 20 is provided is referred to as the front side (front). Further, the drum-type washing machine 1 in the present application is not limited to the drum-type washing machine that only performs washing, but also includes a drum-type washing / drying machine that can perform washing and drying. Further, the washing machine to which the present invention is applicable is not limited to the drum type washing machine as long as it has the operation button of the mechanical switch on the upper surface of the apparatus, and may be a vertical type washing machine.

The drum-type washing machine 1 includes an apparatus main body 10 and a door 20 provided on the front surface side of the apparatus main body 10. The outer box front surface portion 101 of the apparatus main body 10 has an outer box flat surface portion 101A and an upward inclined portion 101B. The outer box flat surface portion 101A extends in a substantially vertical direction. The upper inclined portion 101B extends above the outer box flat surface portion 101A and is inclined rearward with respect to the outer box flat surface portion 101A.

Further, the apparatus main body 10 has a rotary tank 11 inside, and the rotary tank 11 is opened at the front surface portion 101 of the outer box. As a result, laundry such as clothes can be taken in and out of the rotary tub 11 from the opening on the front surface portion 101 side of the outer box.

One end of the door 20 is rotatably attached to the device main body 10 by a hinge so that the opening of the rotary tank 11 can be opened and closed by the outer box front surface 101. In the first embodiment, the shape of the door 20 is not a substantially circular shape that matches the opening of the rotary tank 11, but is a substantially rectangular shape when viewed from the front.

More specifically, the door 20 includes a door main body portion 21 and an inclined portion 22. The door body 21 has a rectangular shape when viewed from the front, and extends in a substantially vertical direction. The rectangular shape in the door main body portion 21 also includes a form in which the corner portion has a rounded shape. The inclined portion 22 extends above the door main body portion 21 and is inclined rearward with respect to the door main body portion 21. That is, the inclined portion 22 is inclined so that the upper end of the inclined portion 22 is located behind the door main body portion 21. Further, the door main body portion 21 and the inclined portion 22 of the door 20 have a positional relationship corresponding to the outer box flat surface portion 101A and the upper inclined portion 101B of the outer box front surface portion 101 of the apparatus main body 10.

The door main body portion 21 is a door front panel portion 211 whose front surface is substantially entirely made of a translucent material (for example, a glass material). Further, on the back surface side of the door main body portion 21, a protruding closing portion 212 made of a translucent material (for example, a glass material) is provided. As a result, when the door 20 is closed, the inside of the rotary tank 11 can be visually recognized from the front side of the door 20 through the door front panel portion 211 and the protruding closing portion 212.

Further, when the door 20 is closed, a part of the rear top portion of the protruding closing portion 212 is inserted into the opening of the rotary tank 11, and the outer peripheral surface of the protruding closing portion 212 is the rotary tank 11. It adheres to the packing around the opening to prevent the liquid in the rotary tank 11 from leaking to the outside.

A display operation unit 221 is arranged on the front side of the inclined portion 22 of the door 20. The display operation unit 221 is composed of, for example, a touch panel, so that various information such as an operating state, various settings, and a message to the user in the drum type washing machine 1 can be displayed and input operations by the user can be accepted. It has become.

The drum-type washing machine 1 according to the first embodiment has various advantages as described below by providing the rectangular door 20 including the door main body portion 21 and the inclined portion 22.
(a) When the rectangular door 20 closes the opening of the rotary tank 11, unevenness is less likely to be formed between the outer box front surface portion 101 of the apparatus main body 10 and the door 20, and the cleanability is improved.
(b) By arranging the display operation unit 221 on the front side of the inclined portion 22 inclined rearward, the area of the display operation unit 221 can be increased, and the operability and visibility of the display operation unit 221 are improved. do.
(c) When viewed from the front, the inclined portion 22 is retracted rearward above the door 20, so that the drum-type washing machine 1 becomes compact and the feeling of oppression is reduced.
(d) By providing the display operation unit 221 on the door 20 side, it is not necessary to provide the display operation unit on the upper surface of the device main body 10, and the space above the device main body 10 can be effectively utilized.

Further, the drum type washing machine 1 has a main power button (operation button) 12 in addition to the display operation unit 221 made of a touch panel. The main power button 12 comprises a mechanical switch and is arranged on the upper surface portion 102 of the outer box of the apparatus main body 10. By providing the main power button 12 which is a mechanical switch, it is possible to reduce the standby power consumption when the drum type washing machine 1 is not in use.

The apparatus main body 10 forms a front frame plate 103 that forms a part of the outer box front portion 101, and a part of the outer box upper surface portion 102 and the outer box front portion 101 as a part of the frame plate that constitutes the outer shell thereof. The upper surface frame plate 104 is provided. More specifically, the front frame plate 103 is configured to include the entire outer box flat surface portion 101A in the outer box front surface portion 101 and the lower portion of the upper inclined portion 101B in the outer box front surface portion 101. On the other hand, the upper surface frame plate 104 is configured to include the entire upper surface portion 102 of the outer box and the upper portion of the upper inclined portion 101B on the front surface portion 101 of the outer box.

The upper surface frame plate 104 is provided with an opening at a position where the main power button 12 is arranged, and the upper surface of the main power button 12 is exposed to the outside through this opening. This allows the user to press the main power button 12. Further, since there is a gap around the main power button 12 (between the outer surface of the main power button 12 and the inner side surface of the opening of the upper surface frame plate 104), water that has entered through this gap is splashed on the operation board or the like. A waterproof mechanism is required to prevent this.

FIG. 3 is a perspective view showing a state in which the upper surface frame plate 104 is removed from the apparatus main body 10. Note that FIG. 3 shows a state in which the door 20 is also removed. In FIG. 3, reference numeral 30 denotes a substrate unit including the operation substrate 33 (see FIGS. 7 to 9). Further, in FIG. 3, reference numeral 50 denotes a waterproof mechanism for waterproofing the mechanical switch 31 (see FIGS. 6 to 9) arranged on the operation board 33. The mechanical switch 31 is turned on / off in conjunction with the operation of the main power button 12 by the user, and the main power of the drum-type washing machine 1 is turned on / off as the mechanical switch 31 is turned on / off. Will be done.

The waterproof mechanism 50 is arranged so as to cover the mechanical switch 31 at the upper part of the board unit 30 so as to prevent water that has entered from the gap around the main power button 12 from splashing on the operation board 33 and to prevent the water from splashing on the operation board 33. It has a function of discharging water to the outside of the machine (outside the frame of the main body 10 of the device). That is, the waterproof mechanism 50 has a guide path for guiding the water that has entered from around the main power button 12 to the outside of the machine.

The water that has entered from around the main power button 12 passes through the guide path provided by the waterproof mechanism 50, and is discharged from the outer box front surface portion 101 of the apparatus main body 10. More specifically, it is discharged to the outside of the frame of the apparatus main body 10 through the gap between the front frame plate 103 and the upper surface frame plate 104.

In the drum-type washing machine 1 according to the first embodiment, the waterproof mechanism 50 allows the water that has entered from around the main power button 12 to be discharged to the outside of the machine, and the water enters the inside of the machine (inside the frame of the apparatus main body 10). Can be prevented. This eliminates (or can reduce) the risk of water splashing on the wiring, connectors, and the like around the substrate unit 30 in the drum-type washing machine 1. Therefore, it is possible to omit (or simplify) waterproof measures for wiring, connectors, and the like.

Further, it is possible to prevent the drained water from accumulating on the component (bottom base) at the bottom of the apparatus main body 10, and it is possible to solve the hygiene problem when draining into the machine. Since the water discharged to the outside of the machine by the waterproof mechanism 50 is discharged from the outer box front portion 101 of the apparatus main body 10, the user can easily clean it.

[Embodiment 2]
In the second embodiment, the specific configuration of the waterproof mechanism 50 will be described in detail with reference to FIGS. 4 to 7.

The waterproof mechanism 50 is composed of a waterproof cover (first member) 51 and a button shield (second member) 52. 4A and 4B are views showing a waterproof cover 51, where FIG. 4A is a perspective view, FIG. 4B is a plan view, and FIG. 4C is a sectional view taken along the line AA in FIG. 4B. 5A and 5B are views showing a button shield 52, where FIG. 5A is a perspective view, FIG. 5B is a plan view, and FIG. 5C is a sectional view taken along line BB in FIG. 5B. FIG. 6 is a perspective view showing a state in which the upper surface frame plate 104 is removed from the apparatus main body 10 and only the waterproof cover 51 is arranged on the substrate unit 30. Note that FIG. 6 shows a state in which the top cover 32 (see FIG. 3) of the substrate unit 30 is also removed.

As shown in FIG. 4, the waterproof cover 51 includes a main bottom portion 511, a first outer frame portion 512, an inner frame portion 513, a drainage portion 514, a third outer frame portion 515, and a hinge holding portion 516.

The main bottom portion 511 is a bottom portion that becomes a horizontal plane when the waterproof cover 51 is arranged on the substrate unit 30, and its outer edge (particularly, the rear portion and both side portions) is surrounded by the first outer frame portion 512. The internal region has an opening for exposing the mechanical switch 31 of the substrate unit 30.

The first outer frame portion 512 is erected above the main bottom portion 511, prevents water collected on the main bottom portion 511 from leaking to the outside of the waterproof cover 51, and collects on the main bottom portion 511. The water is surely guided to the drainage section 514.

The inner frame portion 513 is erected above the main bottom portion 511 so as to surround the opening for exposing the mechanical switch 31, and has a "U" shape in which only the front side is open in a plan view. Is formed in. That is, the waterproof cover 51 is arranged so that the mechanical switch 31 of the substrate unit 30 is exposed in the opening surrounded by the inner frame portion 513 (see FIG. 6). Further, the front end of the inner frame portion 513 coincides with the front end edge of the main bottom portion 511, and the front open portion of the inner frame portion 513 is directly connected to the drainage portion 514. As a result, it is possible to prevent the water collected on the main bottom portion 511 from wrapping around inside the inner frame portion 513 and entering the machine through the opening. The plan view shape of the inner frame portion 513 is not limited to the shape in which the front is open as described above, and may be a shape that completely surrounds the opening (for example, a substantially rectangular shape). good.

The drainage portion 514 is formed on the front side of the main bottom portion 511 so as to be lower in position than the main bottom portion 511, and guides the water accumulated on the main bottom portion 511 to the outside of the machine. In the example of FIG. 4, the drainage portion 514 is formed in a stepped shape. However, the present invention is not limited to this, and the drainage portion 514 may have another shape such as an inclined surface.

The third outer frame portion 515 is formed so as to be in contact with the first outer frame portion 512, and is formed so as to stand upward on both side portions of the drainage portion 514. That is, the third outer frame portion 515 prevents the water flowing through the drainage portion 514 from leaking to the side of the drainage portion 514, and reliably guides the water to the outside of the machine.

The hinge holding portion 516 is a portion that forms a hinge in combination with the hinge portion 525 (see FIG. 5) of the button shield 52. In the example of FIG. 4, the hinge holding portion 516 is arranged on the main bottom portion 511 behind the inner frame portion 513.

As shown in FIG. 5, the button shield 52 has a button bottom portion 521, a second outer frame portion 522, a button protrusion portion 523, a drainage hole portion 524, and a hinge portion 525.

When the waterproof mechanism 50 is configured together with the waterproof cover 51, the button bottom portion 521 is arranged above the main bottom portion 511 of the waterproof cover 51, more specifically, directly above the inner frame portion 513. Further, the button bottom portion 521 is formed wider than the inner frame portion 513 in a plan view, and the inner frame portion 513 is completely covered by the button bottom portion 521.

The second outer frame portion 522 is erected above the button bottom portion 521 so as to surround the entire outer edge of the button bottom portion 521, and water collected on the button bottom portion 521 leaks to the outside of the button shield 52. To prevent.

The button protrusion 523 is formed upright above the button bottom 521 in the internal region of the second outer frame 522. The upper surface of the button protrusion 523 is exposed to the outside from the opening provided in the upper surface frame plate 104 in the apparatus main body 10 to serve as the main power button 12. Further, a mechanical switch 31 of the board unit 30 is arranged directly below the button protrusion 523. That is, when the user presses the main power button 12 (the button protrusion 523 exposed to the outside), the mechanical switch 31 is pressed via the button shield 52 (see FIG. 7).

The drainage hole portion 524 is formed in a cylindrical shape in front of the button shield 52. The upper opening of the drain hole portion 524 exists in the button bottom portion 521 (internal region of the second outer frame portion 522), and the water collected on the button bottom portion 521 flows into the drain hole portion 524. On the other hand, the lower opening of the drain hole portion 524 is located below the button bottom portion 521. Further, in the waterproof mechanism 50, the lower opening of the drain hole portion 524 is arranged at a position lower than the main bottom portion 511 in front of the main bottom portion 511 of the waterproof cover 51. As a result, the water that has flowed into the drainage hole 524 is not discharged onto the main bottom portion 511 of the waterproof cover 51, but is directly discharged onto the drainage portion 514.

The hinge portion 525 is formed on the outside of the second outer frame portion 522 (in the example of FIG. 5, behind the second outer frame portion 522). The hinge portion 525 holds the hinge shaft formed at the tip thereof by the hinge holding portion 516 of the waterproof cover 51. As a result, the button shield 52 is hinged to the waterproof cover 51 and can rotate around the hinge axis. That is, when the user presses the main power button 12 (the button protrusion 523 exposed to the outside), the pressing force can be transmitted to the mechanical switch 31.

In the present embodiment, the button shield 52 is hinged to the waterproof cover 51, but the present invention is not limited to this, and the button shield 52 is hinged to the upper frame plate 104. May be good.

Subsequently, in the waterproof mechanism 50, a guide route for guiding the water that has entered from around the main power button 12 to the outside of the machine will be described. FIG. 7 is a cross-sectional view of the waterproof mechanism 50 attached to the apparatus main body 10 as viewed from the side. In the second embodiment, the waterproof mechanism 50 has two guide paths.

In the first guide path (indicated by a solid arrow in FIG. 7), water that has entered from around the main power button 12 is first received by the button bottom 521 of the button shield 52. The water collected in the button bottom 521 is prevented from leaking to the outside by the second outer frame 522, and flows into the drain hole 524. The water that has flowed into the drain hole portion 524 is directly discharged onto the drainage portion 514 of the waterproof cover 51, and is discharged to the outside of the machine from the drainage portion 514.

If the amount of water that has entered from around the main power button 12 is large and the water that has accumulated in the bottom of the button 521 leaks beyond the second outer frame portion 522, the second guide path (dashed line arrow in FIG. 7). (Indicated by) is used. In the second guide path, the water leaking beyond the second outer frame portion 522 is received by the main bottom portion 511 of the waterproof cover 51. The water collected in the main bottom portion 511 is prevented from leaking to the outside by the first outer frame portion 512, and is prevented from flowing onto the substrate unit 30 from the opening around the mechanical switch 31 by the inner frame portion 513. To. That is, all of the water collected in the main bottom portion 511 is guided to the drainage section 514 and discharged from the drainage section 514 to the outside of the machine.

[Embodiment 3]
The waterproof mechanism 50 shown in the second embodiment provides two guide paths (first guide path and second guide path) as guide paths for guiding the water that has entered from the periphery of the main power button 12 to the outside of the machine. Illustrated what has. However, the present invention is not limited to this, and for example, if the drainage efficiency in the first guide path is sufficiently high, the second guide path may be omitted and only the first guide path may be used.

FIG. 8 is a cross-sectional view of the waterproof mechanism 50 attached to the apparatus main body 10 as viewed from the side. In the third embodiment, the waterproof mechanism 50 has only the first guide path. That is, the waterproof mechanism 50 according to the third embodiment has sufficiently high drainage efficiency in the first guide path, and the water collected in the button bottom portion 521 does not leak beyond the second outer frame portion 522. Applicable.

In this case, the configuration of the button shield 52 is the same as that of the second embodiment, but in the waterproof cover 51, the first outer frame portion 512 and the inner frame portion 513 are omitted. This is because if the water collected in the button bottom portion 521 does not exceed the second outer frame portion 522, the water does not collect in the main bottom portion 511 of the waterproof cover 51.

[Embodiment 4]
In the fourth embodiment, an example of the waterproof mechanism 50 having only the second guide path is shown. FIG. 9 is a cross-sectional view of the waterproof mechanism 50 attached to the apparatus main body 10 as viewed from the side.

In the waterproof mechanism 50 according to the fourth embodiment, the configuration of the waterproof cover 51 is the same as that of the second embodiment, but in the button shield 52, the second outer frame portion 522 and the drain hole portion 524 are omitted. In this case, the water that has entered from the periphery of the main power button 12 is received by the button bottom 521 of the button shield 52 and then flows down onto the main bottom 511 of the waterproof cover 51. The water that has flowed down onto the main bottom portion 511 is discharged to the outside of the machine from the drainage portion 514 as in the second guide path described in the second embodiment.

In the fourth embodiment, if the button bottom portion 521 of the button shield 52 is formed wider than the inner frame portion 513 in a plan view, and the inner frame portion 513 is completely covered by the button bottom portion 521. good. As a result, it is possible to prevent the water flowing down from the button bottom portion 521 from entering the inside of the inner frame portion 513.

Further, as shown in FIG. 9, at the outer edge portion of the button bottom portion 521, a fourth outer frame portion 526 that protrudes downward so as to surround the outer edge portion may be formed. By forming the fourth outer frame portion 526, it is possible to more reliably prevent the water flowing down from the button bottom portion 521 from entering the inside of the inner frame portion 513.

The embodiments disclosed this time are exemplary in all respects and are not grounds for limited interpretation. Therefore, the technical scope of the present invention is not construed solely by the above-described embodiments, but is defined based on the description of the scope of claims. It also includes all changes within the meaning and scope of the claims.

1 Drum type washing machine 10 Equipment body 11 Rotating tank 12 Main power button (operation button)
20 Door 21 Door body 22 Inclined part 30 Board unit 31 Mechanical switch 33 Operation board 50 Waterproof mechanism 51 Waterproof cover (first member)
52 Button shield (second member)
101 Outer box front part 101A Outer box flat part 101B Upper inclined part 102 Outer box upper part 103 Front frame plate 104 Top frame plate 221 Display operation part 511 Main bottom part 512 First outer frame part 513 Inner frame part 514 Drainage part 515 Third Outer frame part 516 Hinge holding part 521 Button bottom part 522 Second outer frame part 523 Button protrusion 524 Drainage hole part 525 Hinge part 526 Fourth outer frame part

Claims (4)

A washing machine that has a mechanical switch operation button on the top surface of the device body.
It has a waterproof mechanism that discharges water that has entered from around the operation buttons to the outside of the frame of the device body.
The waterproof mechanism is
A first member comprising a main bottom portion arranged above the mechanical switch and a drainage portion provided connected to the main bottom portion and formed so as to be lower in position than the main bottom portion. When,
A second outer frame arranged so as to cover the entire mechanical switch and erected above the button bottom so as to surround the button bottom located above the main bottom and the outer edge of the button bottom. The portion and the internal region of the second outer frame portion are formed so as to stand upward from the bottom of the button, and the upper surface thereof is integrally formed with the button protrusion portion serving as the operation button. The second member is formed in the inner region of the second outer frame portion and has a drainage hole portion for directly discharging the water accumulated on the bottom of the button onto the drainage portion of the first member. ,
The waterproof mechanism receives water that has entered from around the operation button at the bottom of the button of the second member, and then directly discharges the water from the drain hole portion onto the drainage portion of the first member. A washing machine having a first guide path for draining water from the drainage portion to the outside of the frame. The washing machine according to claim 1.
The first member has an opening for exposing the mechanical switch in the internal region of the main bottom portion, and is further erected above the main bottom portion so as to surround the outer edge of the main bottom portion. It is provided with a first outer frame portion and an inner frame portion erected above the main bottom portion so as to surround the circumference of the opening of the main bottom portion.
The waterproof mechanism receives water that has passed through the second outer frame portion of the second member at the main bottom portion of the first member, and then guides the water from the main bottom portion to the drainage portion. A washing machine characterized by having a second guide path for discharging water from the frame to the outside of the frame. The washing machine according to claim 1 or 2.
The second member is rotatably supported by a hinge shaft provided outside the second outer frame portion.
A washing machine characterized in that the drainage hole portion is provided on the opposite side of the hinge shaft portion with the button protrusion portion interposed therebetween. The washing machine according to any one of claims 1 to 3.
The waterproof mechanism is a washing machine characterized in that water that has entered from the periphery of the operation button is discharged from the front surface of the apparatus main body to the outside of the frame.

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