JPH0580492U - Operating devices such as washing machines - Google Patents

Abstract

(57) [Abstract] [Purpose] The distance and position between the switch mounted on the wiring board and the operation protrusion provided on the panel covering the wiring board for pressing the switch can be made constant, and further, , Make it possible by skillfully utilizing other necessary parts. A light-emitting body holder 31 holding light-emitting diodes 13 for various displays is attached to the wiring board 11 so as to press and fix the switch 12, and an operation guide portion 36 formed on the light-emitting body holder 31 is provided with a switch 12. The operation protrusion 47 is inserted above, and thus the light emitter holder 31 can suppress the floating of the switch 12 and the warp of the wiring board 11. Further, the operation protrusion 4 for the switch 12 can be suppressed.
Added support for 7 guides.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an operating device such as a washing machine having a structure in which a switch mounted on a wiring board is pressed by an operating protrusion provided on a panel covering the wiring board.

[0002]

[Prior Art]

 Conventionally, for example, in a washing machine, as shown in FIG. 5, a switch 2 generally called a tact switch is mounted on a wiring board 1, and the switch 2 is provided on a panel 3 covering the wiring board 1. There is provided one that is pressed by the projection 4.

[0003]

[Problems to be solved by the device]

 In the above, the switch 2 is mounted in detail by inserting the lead 5 into the wiring board 1 and soldering 6 on the back side thereof. However, until the soldering 6 is performed, the switch 2 merely inserts the lead 5 into the wiring board 1 and is slightly floating from the wiring board 1, and the soldering 6 is performed in the floating state. There is. In addition, the wiring board 1 may be warped, so that the distance between the switch 2, in particular, the operated portion 7 of the switch 2 and the lower surface 8 of the operation protrusion 4 is not constant, and the operation protrusion 4 causes It was not possible to obtain high accuracy because the operating force varied.

Further, since the operation projection 4 only has the lower surface 8 exposed to the operated portion 7 of the switch 2 and may be displaced from the operated portion 7, the switch 2 may not be operated reliably. However, even with this, high accuracy could not be obtained.

The present invention has been made in view of the above circumstances, and therefore an object thereof is to make the distance and position between the switch and the operation protrusion constant, which can improve the accuracy and yet to improve the accuracy. To provide an operating device such as a washing machine that can be achieved by skillfully utilizing the necessary parts of

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, in an operating device such as a washing machine of the present invention, a switch mounted on a wiring board and an operation protrusion provided on a panel for covering the wiring board in order to press the switch. A light-emitting body holder for holding various display light-emitting bodies is attached to the wiring board so that the switch is pressed and fixed, and the operation guide section formed on the light-emitting body holder is mounted above the switch. Is characterized in that the above-mentioned operation protrusion is inserted.

[0007]

[Action]

 According to the above means, the light emitter holder can suppress the floating of the switch and the warp of the wiring board, and can further guide the operation protrusion with respect to the switch.

[0008]

【Example】

 Hereinafter, an embodiment in which the present invention is applied to an operating device of a washing machine will be described with reference to FIGS. 1 to 4.

First, a wiring board 11 is shown in FIG. 1, on which a switch 12 generally called a tact switch is mounted, and in addition to a light emitting diode 13 which is a light emitting body for display, various kinds not shown. Electronic components are mounted. In this case, they are mounted by inserting the leads 14 of the component into the wiring board 11 and soldering 15 on the back side thereof.

As shown in detail in FIG. 2, the switch 12 includes a start switch 16, a clean course setting switch 17, a water pouring rinsing setting switch 18, a course selection switch 19 and a water level selection switch 20. ..

On the other hand, the light emitting diode 13 includes a light emitting diode 21 for displaying a clean course setting, a light emitting diode 22 for displaying a water rinsing setting, a light emitting diode 23 for displaying a standard course selection, and a detailed course selection. Light emitting diode 24 for display, light emitting diode 25 for speed course selection display, light emitting diode 26 for standing course selection display, light emitting diode 27 for high water level selection display, light emitting diode 28 for medium water level selection display, There are light emitting diodes 29 for low water level selection display and light emitting diodes 30 for small water level selection display.

Therefore, the respective light emitting diodes 13 (21 to 30) are stored and held in advance in the respective cylinder portions 32 of the light emitting body holder 31 in the shape of a letter frame. Further, as shown in FIG. 1, the light emitter holder 31 itself presses and fixes the switch 12 (16 to 20) on the wiring board 11 so that each mounting claw 33 is engaged with the wiring board 11. As a result, it is attached to the wiring board 11, and in this state, the leads 14 of various mounting components are soldered 15 to the wiring board 11 described above. The wiring board 11 to which the soldering 15 has been applied is fixed to the case 34 with a plurality of screws 35.

On the other hand, operation guide portions 36 are formed above the switches 12 (16 to 20) of the light emitter holder 31, respectively. Specifically, the operation guide portion 36 includes a guide hole 43 formed in the light-emitting body holder 31 to have a diameter slightly larger than that of the operated portion 37 (38 to 42 of the switch 12 (16 to 20) (see FIG. 2)). It is composed of a guide hole 43 and a guide tube portion 44 formed so as to project on the light-emitting body holder 31 so that the inner peripheral surface thereof is flush.

On the other hand, reference numeral 45 denotes a panel provided on the upper portion of the washing machine, and the case 34 is attached to the panel from the back side with screws 46, so that the wiring board 11 and the light emitter holder 31 are attached to the panel. It is covered with 45.

On this panel 45, an operation protrusion 47 is provided at a portion of the light emitter holder 31 corresponding to each switch 12 (16 to 20) so as to project downward, that is, toward each switch 12 (16 to 20) side. The operation protrusion 47 is inserted into the guide tube portion 44 of the operation guide portion 36, and the lower surface 48 thereof is brought close to the operated portion 37 (38 to 42) of the switch 12 (16 to 20) to face it. There is.

As shown in FIG. 3, a tongue-shaped slit 49 is formed in a portion of the panel 45 around each operation protrusion 47, so that each operation protrusion 47 as shown in FIG. The pressing operation and the elastic recovery from the operation state are possible. Further, a hole 50 as shown in FIG. 1 is formed in a portion of the panel 45 corresponding to each light emitting diode 13 (21 to 30), and an upper portion of each light emitting diode 13 (21 to 30) is formed in this hole 50. It is inserted from the back side. Further, a display sheet 51 also serving as a waterproof is attached to the upper surface portion of the panel 45.

In addition, as shown in FIG. 2, the guide tube portion 44 of the operation guide portion 36 is formed with notches 52 uniformly, and when the case 34 is attached to the panel 45, the cutout portions 52 are formed. The water is directed obliquely downward to drain water when water enters the operation guide portion 36.

In the case of the configuration as described above, until the switches 12 (16 to 20) are soldered 15 to the wiring board 11, the switches 12 (16 to 20) are fixed to the wiring board by the light emitter holder 31. It is possible to keep the switch 12 (16 to 20) floating from the wiring board 11, so that the switch 12 (16 to 20) can be mounted without floating. be able to.

Further, in this case, the wiring board 11 itself can also be pressed by the light emitter holder 31 via the switches 12 (16 to 20), thereby suppressing the warp of the wiring board 11. be able to.

Therefore, from the above, the distance between the operated portion 37 (38 to 42) of the switch 12 (16 to 20) and the lower surface 48 of the operation protrusion 47 can be made constant without varying. Therefore, since the operation force of the switch 12 (16 to 20) by the operation protrusion 47 can be made constant, high accuracy can be obtained.

On the other hand, since the operation protrusion 47 is inserted into the operation guide portion 36 formed on the light emitter holder 31 on each switch 12 (16 to 20), the operation protrusion 47 is inserted into the operation guide portion 36. Guided by the portion 36, the operated portion 37 (38 to 42) of the switch 12 (16 to 20) is surely pressed without being displaced from the switch 12 (16 to 20). Therefore, also by this, high accuracy can be obtained.

Moreover, in the case of this configuration, the suppression of the floating of the switch 12 (16 to 20) and the warp of the wiring board 11 and the guide of the operation protrusion 47 with respect to the switch 12 (16 to 20) all emit light. This is carried out by the body holder 31, and this light emitter holder 31 originally holds the light emitting diodes 13 (21 to 30) which are light emitters for various displays, and it can be used skillfully. Therefore, there is no need for a dedicated pressing component or dedicated guide component, and it can be realized at a low price.

It should be noted that the present invention is not limited to the embodiments described above and shown in the drawings, and in particular, as a whole, it can be widely applied as an operating device for general electric appliances other than a washing machine. It may be implemented by appropriately changing it within a range that does not deviate.

[0024]

[Effect of the device]

 As is clear from the above description, the operating device such as a washing machine of the present invention comprises a switch mounted on the wiring board and an operation protrusion provided on a panel for covering the wiring board to press the switch. A light-emitting body holder for holding various display light-emitting bodies is attached to the wiring board so that the switch is pressed and fixed, and the operation guide section formed on the light-emitting body holder is mounted on the switch. It is characterized in that the above-mentioned operation protrusion is inserted, whereby the distance and the position between the switch and the operation protrusion can be made constant, the accuracy can be improved, and it is not necessary to use it. It has the excellent effect that it can be achieved by making good use of parts, and that it can be realized at a low price.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a main part showing an embodiment of the present invention.

FIG. 2 is a plan view of the main parts in an assembled state.

FIG. 3 is a bottom view of the operation protrusion of the panel and its peripheral portion.

FIG. 4 is a vertical cross-sectional view of the same portion in a functional state.

FIG. 5 is a view equivalent to FIG. 1 showing a conventional example.

[Explanation of symbols]

11 is a wiring board, 12, 16 to 20 are switches, 13,
21 to 30 are light emitting diodes (light emitters), 31 is a light emitter holder, 36 is an operation guide portion, 45 is a panel, and 47 is an operation protrusion.

Claims (1)

[Scope of utility model registration request] 1. A light emitting device, comprising: a switch mounted on a wiring board; and an operation protrusion provided on a panel for covering the wiring board to press the switch. An operation of a washing machine or the like characterized in that a body holder is attached to the wiring board so as to fix the switch, and the operation protrusion is inserted on the switch into an operation guide portion formed on the light emitter holder. apparatus.