JPH06290667A - Panel operating board - Google Patents

Abstract

PURPOSE:To enable a packaged substrate to be surely fixed within a panel operating board at least sufficient size, enhance operating performance, and also lower production cost by letting the substrate be fitted in between a substrate support section and a substrate fixed section so as to be held. CONSTITUTION:A substrate support section 12 is provided for the surface opposite to the surface faced to the switch section 4 of a light induction body 6, and concurrently, a packaged substrate 7 is fitted in so as to be held between the section 12 and a substrate fixed section 11 provided for a part of an operating board frame body 2. And when the substrate 7 is to be installed on the back face section of the body 6, the tip end section of the substrate 7 is inserted into a space section formed by the projected section 13 of the tip end section of the section 12 provided for the body 6. The other end section of the substrate 7 is then brought into contact with the tip end section of the lower section 10 of the frame body 2, the end section of the substrate is pressed with pressure so as to be inserted in the section 11 while the tip end section of the operating board frame body is being widened with pressure in such a way as to be coupled in, so that the end section of the substrate is fitted therein so as to be fixed. By this constitution, production cost can thereby be lowered, installation works can thereby be made simple, and moreover, the substrate can be surely replaced with a new one when there happens a failure to the substrate 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel operation plate, and more particularly to a mounting structure for a substrate having an illumination means for a light guide for illuminating a switch portion provided on the panel operation plate. It is a thing.

[0002]

2. Description of the Related Art Conventionally, many electric equipment products, mainly audio-related electric equipment products, are provided with a plurality of switch parts which are operated to execute respective functions of the electric equipment products. The panel operation plates collectively arranged in the above are used, and the respective switch parts of the panel operation plate can be operated surely even when the environment in which the electric device product is used is dark. In addition, they are illuminated individually or in group units from outside or inside using appropriate means.

FIG. 4 is a cross-sectional view showing an example of the structure of the panel operation plate 1 in the related art, in which an appropriate opening 3 is provided on the front surface of the operation plate frame body 2 of the panel operation plate 1. A button component portion 5 of a switch portion 4 formed in an appropriate shape is fitted in the opening portion 3, and a light guide body 6 made of, for example, acrylic synthetic resin is arranged on the back side thereof. There is something.

Further, a light source for illuminating the light guide body 6 and a mounting board 7 on which electric and electronic parts necessary for emitting the light source are mounted are abutted on the back side of the light guide body 6. There is. By the way, in the conventional case, inside the operation plate frame body 2,
A support plate 8 made of the same material is configured, and the support plate 8 is provided with a claw portion 9 as shown in the figure, and at the same time, the substrate is fitted to a bottom portion 10 below the operation plate frame body 2. Possible holes,
A structure has been adopted in which a board fixing portion 11 such as a groove is formed, and the mounting board is fitted and fixed between the board fixing portion 11 and the support plate 8.

As another conventional structure, for example, as shown in FIG. 5, the substrate is fixed to the support plate 8 provided inside the operation plate frame body 2 by using bolts or screws. You can see the composition.

[0006]

However, in the structure of such a conventional panel operation plate, the mounting substrate completely covers the light guide 6 and the operation plate frame 2 is provided. Since it needs to be fitted and fixed between the operation plate frame 2 and the support plate 8 formed on the operation plate frame 2, it must have an area larger than necessary, and an extra substrate portion is generated. Since the manufacturing cost is increased and it is preferable that the support plate 8 has elasticity, if the support plate 8 is made thin, a problem of breakage occurs. Therefore, the structure of the panel operation plate itself is restricted.

Further, when the mounting board is bolted or screwed, there is a problem that the support plate 8 is damaged, and there is a problem in use. The object of the present invention is to improve the above-mentioned drawbacks of the prior art, and to fix the mounting board in the panel operation plate with a necessary minimum size, thereby improving operability and reducing production costs. It is intended to provide a structure of a panel operation plate capable of achieving reduction.

[0008]

In order to achieve the above-mentioned object, the present invention adopts the technical constitution as described below. That is, the operation plate frame, the switch portion inserted in the opening provided in the front surface of the operation plate frame,
A panel operation plate comprising a light guide for illuminating the switch part from the inside and a substrate on which a predetermined component including a light source for supplying light to the light guide is mounted. The substrate supporting portion is provided on the surface of the optical body opposite to the surface facing the switch portion, and at the same time, between the substrate supporting portion and the substrate fixing portion provided on a part of the operation plate frame. , A panel operation plate in which the substrate is fitted and held.

[0009]

Since the panel operation plate according to the present invention adopts the above-mentioned technical structure, the substrate supporting portion for supporting one end portion of the mounting substrate is directly formed on the light guide itself. Therefore, the size of the mounting substrate can be designed to be the minimum size necessary for illuminating the light guide body, so that the production cost can be significantly reduced.

Further, in the panel operation plate according to the present invention, the mounting board utilizes the elasticity of the operation plate frame between the light guide and the operation plate frame of the panel operation plate. Since the mounting and dismounting can be performed, the mounting operation is simple, and at the same time, when a failure occurs in the mounting board, the mounting board can be easily replaced, which is efficient.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Specific examples of the panel operation plate according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a cross-sectional view illustrating the configuration of a specific example of the panel operation plate according to the present invention. In the figure, an operation plate frame body 2 and an opening 3 provided in the front surface portion of the operation plate frame body 2 are shown. Switch part 4 inserted in
A panel operation plate 1 including a light guide 6 for illuminating the switch section 4 from the inside, and a substrate 7 on which a predetermined component including a light source for supplying light to the light guide 6 is mounted. Thus, the substrate support 12 is provided on the surface of the light guide 6 opposite to the surface facing the switch 4, and at the same time, the substrate support 12 and a part of the operation plate frame 2 are provided. The panel operation plate 1 in which the board 7 is fitted and held between the board fixing portion 11 and the board fixing portion 11 is shown.

The material of the light guide 6 and the operation plate frame 2 in the present invention is not particularly limited, but the light guide 6 is made of an acrylic resin excellent in light transmission. It is preferable that the operation plate frame body 2 is made of synthetic resin, for example, methacrylic resin, while the operation plate frame 2 preferably has elasticity. Therefore, for example, it is made of ABS resin or the like. It is what is done.

The substrate support portion 12 provided on the light guide 6 used in the panel operation plate according to the present invention is
It is preferable that the light guide is formed so as to project from the surface of the light guide body, and that a hooking portion 13 that supports the substrate is provided at the tip thereof. Further, the light guide body may be integrally formed by using an appropriate synthetic resin such as an acrylic synthetic resin for the entire main body portion including the substrate supporting portion 12. The portion 12 may be one that is later connected to the main body portion of the light guide body 6.

Further, the constituent portion of the substrate supporting portion 12 in the light guide 6 in the present invention is not particularly limited, but is determined according to the size of the mounting substrate 7 to be used. If the mounting substrate is small, the position of the substrate supporting portion 12 may be provided below the central portion of the light guide body 6. On the other hand, the substrate fixing portion 11 provided on the operation plate frame body used for the panel operation plate 1 in the present invention is preferably provided on the lower bottom portion 10 of the operation plate frame body 2, and the substrate is fixed. The structure of the portion 11 is not particularly limited, but may be, for example, a groove portion into which the substrate 7 can be fitted, or may be formed of a hole portion, and further, a ridge shape. It may have a configuration in which projection lines or dot-shaped projections are linearly arranged.

In the panel operation plate 1 according to the present invention,
When the mounting substrate 7 is mounted on the rear portion of the light guide body 6, first, the tip end portion 15 of the mounting substrate 7 is provided on the light guide body 6 as shown in FIG. Of the mounting board 7 is inserted into the space 14 formed by the protrusion 13 at the tip of the operation board, and then the other end 16 of the mounting board 7 is brought into contact with the tip 17 of the lower part 10 of the operation plate frame 2. While pushing out the front end portion 17 of the operation plate frame body, the end portion of the substrate is pressed and inserted so as to be fitted into the substrate fixing portion 11, and is fitted and fixed in a shape as shown in FIG.

In another embodiment of the present invention, as shown in FIG.
As shown in FIG. 3, the substrate support 1 of the light guide 6 is formed.
At least one protrusion 18 having an appropriate size is provided on the surface on which the 2 is formed, and the function of the protrusion 18 causes no obstacle when the mounting board is inserted. However, after the mounting substrate is fitted, the protrusions move the substrate to the substrate supporting portion 12 of the light guide 6.
It is fixedly held between the substrate and the substrate fixing portion 11, and it is possible to reliably prevent the substrate from vibrating or rattling on the back surface of the light guide 6.

[0017]

Since the panel operation plate according to the present invention employs the technical structure as described above, the substrate supporting portion for supporting one end portion of the mounting substrate is directly formed on the light guide itself. Therefore, the size of the mounting board can be designed to be the minimum size necessary for illuminating the light guide body, so that the production cost can be significantly reduced.

Further, in the panel operating plate according to the present invention, the mounting board utilizes the elasticity of the operating plate frame between the light guide and the operating plate frame of the panel operating plate. Since the mounting and dismounting can be performed, the mounting operation is simple, and at the same time, when a failure occurs in the mounting board, the mounting board can be easily replaced, which is efficient.

[Brief description of drawings]

FIG. 1 is a diagram showing a configuration of a specific example of a panel operation plate according to the present invention.

FIG. 2 is a diagram illustrating an operation of fitting a mounting board in a panel operation plate according to the present invention.

FIG. 3 is a diagram illustrating an operation of fitting a mounting board in a panel operation plate according to the present invention.

FIG. 4 is a diagram illustrating a configuration example of a conventional panel operation plate.

FIG. 5 is a diagram illustrating a configuration example of a conventional panel operation plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Panel operation plate 2 ... Operation plate frame 3 ... Opening part 4 ... Switch part 5 ... Switch button 6 ... Light guide 7 ... Mounting board 8, 12 ... Board supporting part 9, 13 ... Claw part 10 ... Operation plate frame Lower part of body 11 ... Board fixing portion 18 ... Projection portion

Claims (5)

[Claims] 1. An operation plate frame, a switch part inserted into an opening provided in a front surface of the operation plate frame, a light guide for illuminating the switch part from the inside, and the light guide. A panel operation plate composed of a substrate on which a predetermined component including a light source for supplying light is mounted, and the surface opposite to the surface facing the switch portion of the light guide, At the same time as providing the substrate support portion, the panel operation plate is characterized in that the substrate is fitted and held between the substrate support portion and a substrate fixing portion provided on a part of the operation plate frame. 2. The substrate supporting portion provided on the light guide,
2. The panel operation plate according to claim 1, wherein the panel operation plate is formed so as to project from the surface of the light guide body, and a hook portion for supporting the substrate is provided at a tip end portion thereof. 3. The panel operation plate according to claim 2, wherein the light guide body is integrally molded using an acrylic synthetic resin. 4. The substrate fixing portion provided on the operation plate frame is provided on a lower bottom portion of the operation plate frame, and any one of a groove, a hole, a protrusion and the like into which the substrate can be fitted. The panel operation plate according to claim 1, wherein the panel operation plate is formed by the above configuration. 5. The panel operation plate according to claim 1, wherein at least one protrusion is provided on a surface of the light guide on which the substrate support is provided.