JPH0765665A - Illuminated push button switch - Google Patents

Abstract

PURPOSE:To lessen the disassembly or assembly processes by attaching an illuminating part unit to a switch main body in the way it can be detached freely, regarding an illuminated push button switch provided with an operational part, a light transmitting part, a light emitting part, terminals for illumination. CONSTITUTION:An operational part 7 is formed in the upper part of a cylindrical switch main body 1 having an opening and closing part 11 and terminals 17 for illumination. Further, a light transmitting part 8 is so formed as to cover the open part of the operational part 7 and a light emitting part 5 composed of a printed substrate 52 and light emitting elements 54 is installed in the inside of the operational part 7. A connection and return spring 61 is inserted into a through hole 71 formed in the bottom plate of the operational part 7 to be held and to connect an electrode in the down face of the printed substrate 52 and a terminal 17 for illumination. The light transmitting part 8 and the light emitting part 5 are so composed as to be detached freely from the operational part 7, respectively. As a result, the light transmitting part 8 and the light emitting part 5 are unitedly detached from the operational part 7 by detaching the operational part 7 from the switch main body 1 and the light emitting part 5 and the terminal 17 for illumination are connected with or parted from each other simultaneously.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an illuminated push button switch widely used for control switchboards and the like.

[0002]

2. Description of the Related Art FIGS. 3 and 4 show an example of a conventional illuminated push button switch, FIG. 3 is a sectional view, and FIG. 4 is an exploded perspective view of FIG. In FIGS. 3 and 4, the illuminated push button switch has an opening / closing portion 11 inside thereof, and opening / closing terminals 13, 14 and 15 and illuminating terminals 17 and 18 projecting downward from the bottom plate thereof. The switch body 1 in which the open / close terminals 13, 14, 15 are connected to the portion 11, the holder 4 fixed to the intermediate portion of the switch body 1, and the through hole 4 of the holder 4 fixed to the upper surface of the holder 4.
Light-emitting part 5 connected to illumination terminals 17 and 18 through 1
A light-transmitting portion 8 is provided in the upper opening so as to cover the opening, the light-emitting portion 5 is housed in its inner hole, and the light-transmitting portion 5 is provided above the switch body 1 via return springs 61 and 62. An operation unit 7 that is vertically movable for a predetermined distance
And the push bar 2 provided between the convex portion 71 provided downward in the peripheral portion of the lower surface of the operation portion 7 and the connection portion of the opening / closing portion 11 of the switch body 1 via the pressure spring 3. Has become. The light emitting section 5 includes a printed circuit board 52, a light emitting element 51 mounted on the upper surface thereof, and connection lines 53 and 54 drawn from the lower surface of the printed circuit board. The connection lines 53 and 54 connect the illumination terminals 17 to each other. , 18 respectively.

The operation of this illuminated pushbutton switch is as follows. When the translucent portion 8 is pressed to move the operating portion 7 downward, the push rod 2 moves downward via the pressure spring 3 and presses the operating portion of the opening / closing portion 11, thereby opening / closing the terminal 13.
The space between 15 is switched from open to closed, and the space between the open / close terminals 14 and 15 is switched from closed to open. When the pressing of the light transmitting portion 8 is released, the return springs 61 and 62 restore the original state. Further, the light emitting element 51 is turned on by applying a voltage between the illumination terminals 17 and 18 of the switch body 1, and is illuminated through the light transmitting portion 8.

[0004]

In a control switchboard or the like, an illuminated pushbutton switch is often required to have a different emission color depending on the purpose of use of the switch. When the emission color is changed, with the above-mentioned illuminated pushbutton switch, remove the operating part from the switch body, disconnect the light emitting part and the illumination terminal of the switch body, take out the light emitting part, and attach it to this light emitting part The emitted light emitting element is replaced with a light emitting element of a specified emission color. Then, it is necessary to assemble again in the reverse order of the above, and there is a problem that it takes a lot of time to disassemble and assemble.

The object of the present invention is to reduce the number of disassembly and assembly steps,
It is another object of the present invention to provide an illuminated pushbutton switch with a reduced number of components.

[0006]

In order to achieve the above-mentioned object, an illuminated push button switch according to the present invention comprises a switch main body having a tubular opening / closing portion and an illumination terminal, and an upper and lower switch main body. Direction, a cylindrical operation part having a bottom, which is installed so as to be movable by a predetermined distance, a translucent part attached to an opening of the operation part so as to cover the opening, a printed circuit board housed in the operation part, and the print. A light emitting portion formed of a light emitting element mounted on the upper surface of the substrate, an electrode on the lower surface of the printed circuit board of the light emitting portion held by being inserted into a through hole provided in the bottom plate of the operation portion, and an illumination terminal of the switch body. It is characterized by comprising an illuminating unit which is integrally formed with a connecting and returning spring for connecting the illuminating unit and the illuminating unit, and the illuminating unit is detachably attached to the switch body. Light push-button switch. In this illuminated push button switch, a push rod provided on the lower surface of the bottom plate of the operating portion is formed integrally with the operating portion. Further, the translucent portion and the operating portion, and the light emitting portion and the operating portion are configured to be detachable from each other.

[0007]

In the illuminated push button switch of the present invention, the light transmitting portion and the light emitting portion are attached to the operating portion to form an integrated illumination portion unit, so that the attachment and removal to and from the switch body can be performed with one touch. At the same time when the switch is attached to the switch main body, the light emitting portion and the connection / restoring spring connecting the light emitting portion to the illumination terminal of the main body are brought into contact or separated. In addition, these translucent section and operation section,
Since the light emitting part and the operating part are configured to be detachable by engaging with each other, the disassembling and assembling man-hours are reduced, and when the emission color is changed, the light emitting element of the specified emission color can be replaced with a low man-hour. . Furthermore, since the push rod on the lower surface of the bottom plate of the operating section is integrally formed with this operating section by integral molding,
The number of constituent parts is reduced.

[0008]

1 and 2 show an embodiment of an illuminated push button switch according to the present invention. FIG. 1 is a sectional view and FIG. 2 is an exploded perspective view of FIG. The illuminated push-button switch of the present invention shown in FIGS. 1 and 2 is of two-color illumination such as red and green (note that the conventional illuminated push-button switch shown in FIGS. 3 and 4 is Monochromatic illumination). In FIG. 1 and FIG. 2, the illuminated push button switch has an opening / closing part 11 inside and an opening / closing terminal 13, 14, 15, 16 on its bottom.
And a switch body 1 having illumination terminals 17, 18, and 19, and opening / closing terminals 13, 14, 15, 16 connected to the opening / closing portion 11, forming a tubular shape, and covering the opening at its upper opening. The translucent portion 8 is provided by fitting one engaging portion 81 provided on the side surface of the translucent portion 8 and the other engaging portion 75 provided on the side surface, and the inner hole thereof is provided. The light emitting portion 5 including the printed circuit board 52 and the two-color light emitting element 54 mounted on the upper surface of the printed circuit board 52 has one engaging portion 55 provided around the printed circuit board 52.
Is accommodated by fitting it into a cutout portion 76 provided on the side surface of the inner hole and locking the upper end of the printed circuit board 52 with the other engaging portion 74. An operating portion 7 that is vertically movable for a predetermined distance and a push rod 2 that presses an operating portion of an opening / closing portion 11 provided on the lower surface of the operating portion 7.
And through holes 71, 7 provided in the bottom plate of the operation unit 7.
Connection and return springs 61, 62, 6 provided between the electrodes on the lower surface of the printed circuit board 52 of the light emitting section 5 and the illumination terminals 17, 18, 19 of the switch body 1 through 2, 73.
It consists of 3. The push bar 2 provided on the lower surface of the bottom plate of the operation unit 7 is integrally formed with the operation unit 7 by integral molding or the like.

As described above, the translucent portion 8 and the light emitting portion 5 are attached to the operating portion 7 to be integrated as an illuminating portion unit,
The illumination unit is attached to the switch body 1. The illumination unit can be attached to the switch body 1 by one-touch by engaging the locking portion 77 of the operation unit 7 of the light emitting unit with the recess 1a provided in the switch body 1.

The operation of this illuminated push button switch is as follows. When the translucent portion 8 is pressed to move the operating portion 7 downward, the push rod 2 on the lower surface of the operating portion 7 presses the operating portion 12 of the opening / closing portion 11, and the open / close terminals 14 and 15 are opened to closed. ,
The open / close terminals 13 and 16 are switched from closed to open. When the pressing of the transparent portion 8 is stopped, the connection and return springs 61, 62,
63 returns to the original state. Further, by applying a voltage between the illumination terminals 17 and 18 of the switch body 1,
The two-color light emitting element 54 is, for example, red and has the illumination terminals 18, 1
By applying a voltage between 9 and, for example, each is turned on in green and illuminated through the light transmitting portion 8.

In this illuminated push button switch, if the operating portion 7 is attached to or detached from the switch body 1, the light transmitting portion 8 and the light emitting portion 5 are provided.
Is attached and detached integrally with the operating portion 7, and at the same time, the light emitting portion 5 and the connecting / restoring springs 61, 62, 63 connecting the light emitting portion 5 to the illumination terminals 17, 18, 19 of the main body are in contact with each other. Alternatively, they are separated. Further, since the translucent portion 8 and the operating portion 7 and the light emitting portion 5 and the operating portion 7 are configured to be detachable by engaging with each other, the number of disassembling and assembling steps is reduced, and when the emission color is changed. It can be replaced with a light emitting element of a specified emission color with a low man-hour. Further, since the push bar 2 on the bottom plate of the operating portion 7 is integrally formed with the operating portion 7 by integral molding or the like, the number of constituent parts can be reduced.

[0012]

In the illuminated push-button switch of the present invention, when the operating portion is attached to and detached from the switch body, the translucent portion and the light emitting portion are attached and detached integrally with the operating portion, and at the same time, the light emitting portion and the illumination terminal of the switch body are connected. The spaces are connected or disconnected. In addition, since the translucent part and the operating part, and the light emitting part and the operating part are configured to be detachable, the disassembling and assembling man-hours are reduced, and when the emission color is changed, the specified man- It can be replaced with a light emitting element. Further, the number of parts to be configured is reduced, so that the cost is reduced.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of an illuminated push button switch of the present invention.

FIG. 2 is an exploded perspective view of FIG.

FIG. 3 is a sectional view showing an example of a conventional illuminated push button switch.

FIG. 4 is an exploded perspective view of FIG.

[Explanation of symbols]

 1 Switch Main Body 11 Opening / Closing Portion 12 Operating Portion of Opening / Closing Portion 17 Illumination Terminal 18 Illumination Terminal 19 Illumination Terminal 2 Push Rod 5 Light Emitting Section 52 Printed Circuit Board 54 Light Emitting Element 61 Connection / Return Spring 62 Connection / Return Spring 63 Connection / Return Spring 7 Operation part 71 Through hole 72 Through hole 73 Through hole 8 Light transmitting part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Shinichi Sato 1-1 Tanabe Nitta, Kawasaki-ku, Kawasaki-shi, Kanagawa Fuji Electric Co., Ltd.

Claims (3)

[Claims] Claims: 1. A switch body, which is formed in a tubular shape and has an opening / closing section and an illumination terminal, and a tubular operation section having a bottom, which is installed at an upper part of the switch body so as to be vertically movable by a predetermined distance. A light-transmitting part attached to the opening of the part so as to cover the opening, a printed circuit board housed in the operating part and a light emitting element mounted on the upper surface of the printed circuit board, and a bottom plate of the operating part. An illumination section unit that is integrated with a connection and return spring that is inserted into and held in a provided through hole and that connects the electrode on the lower surface of the printed circuit board of the light emitting section and the illumination terminal of the switch body. An illuminated pushbutton switch characterized in that the illumination unit is detachably attached to the switch body. 2. The illuminated push button switch according to claim 1, wherein a push rod for pressing the operating portion of the opening / closing portion is integrally formed on the bottom plate of the operating portion. 3. The device according to claim 1 or 2,
An illuminated pushbutton switch characterized in that the translucent portion and the operating portion, and the light emitting portion and the operating portion are configured to be detachable from each other.