JPH02288116A - Switch rubber structure - Google Patents

Abstract

PURPOSE:To prevent any fall or slant at the time of pushing a switch rubber by providing circular or track-shaped projections having a height equal to or less than that of a conductive portion on both sides of the conductive portion. CONSTITUTION:A switch rubber is constituted of a switch 1 made of silicone rubber, a contact 2 made of conductive silicone rubber and projections 3, 4 on both sides of the contact 2. A guide member 5 and a decorative plate 6 are disposed for guiding the switch rubber. Upon pushing the switch rubber in a direction indicated by an arrow 9, a conductive pattern 8 formed on a base 7 is conducted to the contact 2 made of conductive silicone rubber. Therefore, such a problem can be solved that the switch 1 is embedded in the guide member 5, the decorative plate 6 or the like for guiding the switch rubber.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention is a switch rubber using silicone rubber or conductive silicone rubber, which can be used as a push switch for calculators, measuring instruments, cameras, automobiles, etc. Yes, regarding the switch rubber structure.

[Conventional technology]

As shown in FIG. 3, the conventional switch rubber structure is one in which a switch body 1 made of silicone rubber and a contact part 2 made of conductive silicone rubber are molded into one body, and a conductive pattern formed on a circuit board 7. 8 is established by pushing 9 in the direction of the arrow.

[Problem to be solved by the invention]

Generally, the outer periphery of the switch body is often surrounded by a guide member 5 for guiding the switch body 1 as shown in FIG. 4, or a decorative plate 6 for improving the appearance. When pushed in the direction 9, the switch body 1 tilts as shown by the solid line, and there is a problem in that it gets caught on members on the outer periphery and slips out.

[Means to solve the problem]

The switch rubber structure of the present invention is mainly made of silicone rubber with a conductive part integrally molded in a part, and the conductive part is movable by pushing the switch body. A circular or track-shaped protrusion of the same height or less is provided to prevent the switch rubber body from falling or tilting when pushed.

〔Example〕

FIG. 1 is a sectional view showing the structure of an embodiment of the invention, and FIG. 2 is a partial plan view showing the structure of an embodiment of the invention. FIG. 1 and FIG. 2 will be explained below.

The switch rubber consists of a switch body 1 made of silicone rubber, a contact part 2 made of conductive silicone rubber, and protrusions 3 and 4 on both sides of the switch body 1 shown in FIG. It is. 7 is a circuit board, 8 is a conductive pattern formed on the board, and by pushing the switch rubber body in the direction of arrow 9, the contact part 2 made of conductive silicone rubber and the conductive pattern formed on the board are connected. Make conductive.

〔Effect of the invention〕

According to the above invention, by preventing the switch rubber from tilting when the switch rubber body is pushed by the protrusions on both sides of the contact portion made of conductive silicone rubber, the switch rubber can be inserted into the guiding member or the decorative board, etc. It can solve the problem of storage. Furthermore, by integrally molding the switch body with the silicone rubber switch body, the performance can be improved while keeping the unit price of parts the same as conventional products and the number of parts.

As a result of the above, it is possible to further expand the field of use as a low-cost switch member.

[Brief explanation of drawings]

FIG. 1 is a sectional view showing an embodiment of the switch rubber structure of the present invention. FIG. 2 is a partial plan view of FIG. 1. FIG. 3 is a schematic diagram showing an example of a conventional switch rubber structure. FIG. 4 is a diagram for explaining the problems of the conventional switch rubber structure. 1...Switch body 2...Contact part 3.4, 5, φ, 6, 71, 71, 2...Protrusions, guide members, decorative boards, circuit boards, conductive patterns and above

Claims (1)

[Claims] Mainly made of silicone rubber, conductive silicone rubber is integrally molded in some parts, and by pushing,
A switch rubber structure in which a conductive part is movable, characterized in that circular or track-shaped projections having the same height or less as the conductive part are provided on both sides of the conductive part.