JPH035061Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a push switch operating device for electrical equipment, etc., and more particularly relates to an improvement in a push switch operating device in which a push button portion is integrally formed with a cabinet.

BACKGROUND TECHNOLOGY AND PROBLEMS Therein, in a conventional push switch operating device in which a push button part is integrally formed with a cabinet, one end is inserted into an opening 2 of a cabinet 1, as shown in FIGS. 1 and 2. A push button 4 integrally formed with the cabinet 1 extends through a hinge portion 3. On the other hand, a push switch 6 is disposed on the printed circuit board 5 in the cabinet, facing the end of the push button 4. By pressing the push button 4, the push switch 6 is activated.
It is designed to operate.

However, in this method, the push button 4 directly presses the push switch 6, so if the push switch 6 is pushed beyond the limit stroke of the switch, there is a risk that the switch 6 will be damaged. Also, in this case, depending on the arrangement of the switch 6, excessive force may be applied to the lead wire portions 7a, 7b of the switch, resulting in peeling off the soldering of the lead wires 7a, 7b or damaging the printed circuit board 5. There is a fear.

Purpose of the invention The present invention was made in order to eliminate the above-mentioned drawbacks.The purpose of the invention is to have a simple structure, a good space factor, and a high quality product that can be easily manufactured. First, it is an object of the present invention to provide a push switch operating device which does not apply excessive force to the push switch even if it is pushed too far and does not damage the switch, lead wires, etc.

Summary of the invention In order to achieve the above object, the push switch operating device according to the invention has a plate-like button part and a plate-like operation part integrally formed with a substantially V-shaped cross section through a first longitudinal thin hinge part. , this integral molded body having a substantially V-shaped cross section is integrally molded on a synthetic resin base such as a cabinet via a second longitudinal thin hinge portion provided in the vicinity of the first longitudinal thin hinge portion,
The first longitudinal thin-walled hinge portion is configured such that the thickness T of the first longitudinal thin-walled hinge portion and the wall thickness t of the second longitudinal thin-walled hinge portion are such that T>t, and the second longitudinal thin-walled hinge portion faces the tip portion of the plate-shaped operation portion. A push switch is disposed at the bottom, and when the plate-shaped button section is pressed, the plate-shaped operation section presses the push switch.

With the above configuration, when the plate-shaped button part is pressed, the plate-shaped operation part presses the push switch, and even if it is pressed too much, only the plate-shaped button part moves independently, and the plate-shaped operation part presses the push switch. It is possible to prevent excessive force from being applied to the operating section and push switch. Basically, a plate-like button part and a plate-like operating part are each integrally molded on a synthetic resin base such as a cabinet via a longitudinal thin hinge part, and a plate-like button part and a plate-like operating part are connected to each other. Since another longitudinal thin hinge part is provided and the push switch is also arranged, the structure is simple, the space factor is good, and manufacturing is easy.Moreover, the plate-like operating part can be made thinner and has more elasticity. Since this is not particularly necessary, sink marks do not occur during molding of the synthetic resin base and deformation of the plate-like operation part, etc. does not occur, and therefore, a high quality product can be provided.

Embodiment An embodiment in which the present invention is applied to a push switch operating device of a radio receiver is shown in FIGS. 3A to 7.
This will be explained based on the diagram.

In this embodiment, as shown in FIGS. 3A to 6, a front cabinet 11 made of ABS resin, high impact styrene resin, or the like,
Back cabinet 1 molded from relatively hard resin
2 is coupled with screws (not shown) to form a cabinet 13. The front cabinet 11 which is the upper surface of this cabinet 13
At a predetermined position in the upper part, there is an approximately square opening 14.
(Fig. 4) is molded. A plate-shaped button part 17, which is integrated with the front cabinet 11, extends into the opening 14 through a thin longitudinal hinge part 16 formed thinly by the grooves 15. . At the bottom of this button part 17, there is an operating part 19 that is substantially the same as the button part 17 and is integrally connected to the button part 17 via another longitudinal thin hinge part 18 provided near the hinge part 16. It extends in two directions. That is, the button part 17 and the operation part 19 are connected to the longitudinal thin hinge part 18.
They are connected to each other via the holes to form an integrally molded body having a substantially V-shaped cross section. In this case, the hinge portion 18
The thickness T of the hinge portion 16 and the thickness t of the hinge portion 16 are configured such that T>t, and the operating portion 19 is formed to be narrower than the button portion 17 and longer than the button portion 17. A push switch 20 is disposed opposite the tip of the operating section 19, and this push switch is attached to a printed circuit board 21 fixed within the cabinet 13.

Next, as shown in FIGS. 3A to 6, a stopper 23 that also serves as a cover is protruded from the inner wall of the back cabinet 12, aiming between the bifurcated button part 17 and the operating part 19. There is. This stopper 23 has long left and right protruding pieces 24a,
24b and an intermediate piece 25 in between (the fifth
4), the protruding pieces 24a, 24b cover the gaps 26a, 26b in FIG. 4, and the intermediate piece 25 covers the gap 27 when both the front and back cabinets 11, 12 are connected. Therefore, the gap 26 is closed by the stopper 23 which also serves as a cover.
a, 26b, 27, etc. are covered, making it less difficult to see, and also preventing dirt from entering. Note that the tips of the protruding pieces 24a and 24b are connected to the front cabinet 11.
A recess 28 as shown in FIG. 6 is formed in this portion of the front cabinet 11 so as not to come into contact with the front cabinet 11.

Since it is constructed as described above and has the relationship of wall thickness T>t as described above, when the button part 17 is pressed, the button part 17 and the operation part 19 are first integrated and the hinge part 16 is the center. The tip of the operating section 19 presses the push switch 20 facing the operating section 19 to operate it. If the switch 20 is pressed further and the stroke limit is exceeded, only the button part 17 rotates about the hinge part 18. If the button part 17 is still pressed, the button part 17 will eventually move away from the cover as shown in FIG. 3B. It comes into contact with the intermediate piece 25 of the stopper 23 which also serves as a stopper, and further movement is prevented. In this way, even if the button part 17 is pushed beyond the limit stroke of the switch 20, only the button part 17 moves independently regardless of the operating part 19, so the operating part 19
Therefore, no excessive force is applied to the switch 20.

Next, in order to integrally mold the button part 17, the operating part 19, etc. configured as described above with the front cabinet 11, as shown in FIG.
First and second movable molds 3 each movable in the direction
0.31 form substantially the side surface portion of the front cabinet 11. and first and second fixed molds 32,
33 forms the upper part of the cabinet 11 including the button part 17 and the operating part 19. and inlet 3
By injecting a predetermined synthetic resin from step 4, a front cabinet 11 having a desired shape is formed.

Effects of the Invention As explained above, according to the present invention, an integrated molded body of a plate-shaped button part and a plate-shaped operation part having a substantially V-shaped cross section is connected to a synthetic tree through a second longitudinal thin hinge part. In addition to integrally molding the medium, a first longitudinally thin hinge section is provided between the plate-like button section and the plate-like operating section, and the thickness T of the first longitudinally thin hinge section is set to a second longitudinally thin hinge section.
The thickness was made larger than the wall thickness t of the longitudinal thin-walled hinge portion. Therefore, when the plate-shaped button part is pressed, the plate-shaped operation part also moves almost integrally with the plate-shaped button part by bending at the second longitudinal thin hinge part until the limit stroke of the push switch is reached. When pressed to the above degree, the plate-shaped button part alone moves by bending at the first longitudinal thin hinge part, and no unreasonable force is applied to the plate-shaped operation part and the push switch. Therefore, the push switch, the lead wires of the push switch, etc. are not damaged, and an extremely safe push switch operating device can be achieved.

Basically, a plate-shaped button part and a plate-shaped operation part are each integrally molded on a synthetic resin substrate such as a cabinet via a longitudinal thin hinge part, and a plate-shaped control part is formed between the plate-shaped button part and the plate-shaped operation part. All that is required is to provide another elongated, thin-walled hinge section and further dispose a push switch. Therefore, the structure is simple, the space factor is good, and manufacturing is easy.However, since there is no need to make the plate-like operation part thinner and more elastic, it is possible to prevent sink marks from forming when molding the synthetic resin base. The operating parts and the like are not deformed, and therefore high quality products can be provided.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing a conventional example of a push switch operating device, Fig. 2 is a cross-sectional view taken along the - line in Fig. 1, and Figs. 3A to 7 show the application of the present invention to a push switch operating device of a radio receiver. FIG. 3A is a vertical cross-sectional view of the cabinet, and FIG. 3B is a cross-sectional view taken along the - line in FIG. 4, and FIG. 3B is a view similar to FIG. , FIG. 4 is a top view of the button section, FIG. 5 is an exploded perspective view of the button section, operation section, and stopper partially cut away, and FIG. 6 is a cross-sectional view taken along the - line in FIG. 4. FIG. 7 is a longitudinal sectional view of the mold. In addition, in the symbols used in the drawings, 11...
Front cabinet (synthetic resin base), 16, 18...
...Longitudinal thin hinge part, 17...Plate button part,
19...Plate-like operation section, 20...Push switch.

Claims (1)

[Claims for Utility Model Registration] A plate-shaped button part and a plate-shaped operation part are integrally molded with a substantially V-shaped cross section through a first longitudinal thin hinge part, and this integral molded body has a substantially V-shaped cross section. is integrally molded on a synthetic resin base such as a cabinet via a second longitudinal thin hinge section provided in the vicinity of the first longitudinal thin hinge section, and the thickness T of the first longitudinal thin hinge section is and the wall thickness t of the second longitudinal thin hinge part are configured such that T>t, and a push switch is arranged opposite to the tip of the plate-shaped operation part, and the push switch is arranged to press the plate-shaped button part. A push switch operating device configured such that when operated, the plate-like operating section presses the push switch.