JPH0412569B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method of manufacturing a momentary operation multiple push switch used for an operation switch of a tape recorder, a channel selection switch of a car radio, etc.

[Conventional technology and its problems]

FIG. 8 shows an example of a conventional momentary operation push switch 10. A pair of fixed terminals 2 and 3 are implanted in a housing 1 made of synthetic resin such that the upper surface thereof has contact portions 2a and 3a exposed in an opening 1a. A contact 4 made of a dome-shaped thin metal plate and a plunger 5 having a protrusion on the lower surface are sequentially placed in the opening 1a, and then the operating portion 5 of the plunger 5 is placed.
A top plate 6 having a hole 6a for inserting the housing 1 is fixed to the top surface of the housing 1. In this switch 10, when the plunger 5 is pushed down, the contact parts 2a and 3a of the pair of fixed terminals 2 and 3 are kept in the on state by the inverted contactor 4, and the plunger 5 is opened. When is contact 4
Momentary operation is performed by returning to the OFF state due to the restoring force.

Conventionally, when configuring an operation switch for a tape recorder using such switches 10, for example, as shown in FIG. A push button member 14 is attached to cover the switch 10 so that the switch 10 can be operated by pressing the push button portion 14a corresponding to each switch 10.

However, this configuration has disadvantages in that it requires a large number of parts and the assembly process is complicated, resulting in high costs and that it is difficult to reduce the thickness.

[Means for solving problems]

The method for manufacturing a multiple push switch according to the present invention includes: an insulating substrate having a long electrode integrally formed with a plurality of terminals fixed to one side; a spacer having through holes provided at predetermined intervals; After sequentially laminating and fixing a flexible sheet with a long second electrode on one side of which a second terminal is integrally formed, punching is made between these through holes to form a second electrode. It is characterized by cutting out a part at a predetermined interval and dividing the electrode into multiple pieces, so that it can be assembled by simple processes such as punching and gluing instead of molding. .

〔Example〕

FIG. 1 is an exploded perspective view showing one embodiment of a multiple push switch manufactured according to the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is an enlarged sectional view taken along line A-A in FIG. be. A plurality of electrodes 31 having integrally formed terminals 32 are fixed to the upper surface of the insulating substrate 20 by means such as adhesive, and the portions between the electrodes 31 on the substrate 20 are A punched hole 22 is provided. 40 is a spacer made of an insulating material, and is provided with square through holes 44 formed at predetermined intervals. On the lower surface of the flexible insulating sheet 50, a plurality of electrodes 61 having terminals 62 integrally formed like the electrodes 31 are provided.
is fixed by adhesive or other means. terminal 32
As is clear from FIG. 2, the terminals 62 and 62 are arranged at shifted positions. The spacer 40 and the sheet 50 are also provided with punch holes 42 and punch holes 52, respectively, at positions corresponding to the punch holes 22 of the substrate 20. The substrate 20 and the sheet 50 are
With the spacer 40 sandwiched between them, the electrodes 31 and 61 are stacked and fixed so that they face each other at the through holes 44 of the spacer 40 and the terminals 32 and 62 protrude to the outside, and both surfaces are made of synthetic resin. thin film 7
Coated with 0.80.

The multiple push switch configured in this way is
When a portion of the spacer 40 directly above the through hole 44 is pressed from above the sheet 70, the pair of electrodes 31 and 61 facing each other across the through hole 44 come into contact and turn on. Then, when the pressing force is removed, the restoring force of the thin film 70, sheet 50, and electrode 61 returns to the OFF state, thereby performing momentary operation.

Next, a method of manufacturing this multiple push switch will be explained with reference to FIGS. 4 to 7. First, as shown in FIG. 4, a long electrode material 30 on which a plurality of terminals 32 are integrally formed is fixed to one side of the substrate 20 by means of adhesive or the like. Similarly, a long electrode material 60 in which a plurality of terminals 62 are integrally formed is fixed to one side of the sheet 50. Next, a spacer 40 provided with through holes 44 at predetermined intervals is sandwiched between the two electrode materials 30 and 60 at the through holes 44.
The substrate 20 and the sheet 50 are stacked and fixed to each other so that they face each other and their terminals 32 and 62 protrude to the outside (FIG. 5). Next, as shown in FIGS. 6 and 7, the spacer 40
The parts between the through holes 44 are punched out from above the sheet 50 to form the punched holes 52, 42, 22, and the electrode materials 60, 30 in these parts are cut out.
As a result, the electrode materials 60 and 30 are divided to form a plurality of electrodes 61 and 31, and a plurality of switch units are formed between the sheet 50 and the spacer 40.
A switch connection body 90 connected by the and substrate 20 is completed. This switch connector 90 can be used as it is as a multiple push switch. However, in order to further improve the moisture resistance, both surfaces of the switch connector 90 except for the ends of the terminals 32, 62 may be further covered with synthetic resin thin films 70, 80 such as polyester films. The result was the multiple push switch shown in Figure 2.

Note that the spacer 40 is connected to the substrate 20 on which the electrode is attached.
Alternatively, it may be provided by printing a synthetic resin paint on the surface of the sheet 50. Furthermore, the shapes of the through hole 44 and the punched holes 22, 42, and 52 are not limited to the shapes of the embodiments.

〔Effect of the invention〕

According to the present invention, molding is not necessary,
Since it can be assembled using simple work processes such as gluing and punching, productivity is significantly improved. Alternatively, after making a long piece in which a large number of switch units are connected, cutting it along the punched holes 22, 42, and 52, for example, along line B-B in FIG.
It is possible to construct multiple push switches with any number of stations.

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view of a multiple push switch manufactured by the method according to the present invention, Fig. 2 is a plan view thereof, Fig. 3 is an enlarged sectional view taken along line A-A in Fig. 2, and Fig. 4. 7 is an explanatory diagram of the manufacturing process of the same switch, FIG. 8 is an exploded perspective view of a conventional push switch, and FIG. 9 is an explanatory diagram of its usage state. 20... Substrate, 22, 42, 52... Punching hole, 30, 60... Electrode material, 31, 61... Electrode, 32, 62... Terminal, 40... Spacer, 4
4... Through hole, 50... Sheet, 70, 80...
Thin film.

Claims (1)

[Claims] 1. An insulating substrate having a long first electrode material integrally formed with a plurality of first terminals fixed to one side, an insulating spacer having through holes provided at predetermined intervals, and a plurality of A flexible insulating sheet having a long second electrode material with a second terminal integrally formed thereon is fixed to one side, and the first electrode material and the second electrode material are separated from each other through each through-hole. After stacking and fixing the first and second terminals so that they face each other and protrude to the outside, a punched hole is formed between the through holes and a part of the first and second electrode materials are stacked. By cutting at predetermined intervals, a plurality of first electrodes divided from the first electrode material and a plurality of second electrodes divided from the second electrode material are formed, A method for manufacturing a multiple push switch, characterized in that the first electrode includes at least one first terminal, and the second electrode includes at least one second terminal.