JPH0143784Y2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field The present invention relates to a slide switch having an articulating mechanism.

(b) Prior Art A slide switch having an adjustment mechanism for reliable on/off operation is generally known, as shown in, for example, Japanese Utility Model Publication No. 10031/1983. As shown in Fig. 5, an elastic piece 11' for articulation is integrally molded on a resin operating body 7' which is slidably housed in a switch case 5'. is provided with articulation recesses 13', 13' for latching the elastic piece 11' in accordance with the on/off position of the operating body 7'. The operating body 7' slides on the slide surface 3' on the back side of the switch case 5' to selectively engage the articulation elastic piece 11' in either of the recesses 13', 13', and the operating body 7' Convex portion 21 of
presses the movable contact 22 to bring the movable contact 22 into contact with and away from the fixed contact 23. However, according to such a conventional example, the articulation elastic piece 1
1' has its side surface in surface contact with the slide surface 3', so when the elastic piece 11' bends when the operating body 7' slides, it contacts both the slide surface 3' and the side wall of the switch case 5'. There is a risk that they may come into contact with each other, and as a result, smooth sliding operation may not be possible.

(c) Purpose of the invention The purpose of the present invention is to improve the above-mentioned points and to obtain a slide switch having an articulation mechanism that allows smooth and crisp slide operation at all times.

(d) Structure of the invention The slide switch of the invention has a housing in which a switch operation hole is bored, a knob that is movably inserted into the operation hole, and a knob that is movably inserted into the operation hole, and the slide switch has a knob that is movably inserted into the operation hole. A sliding switch operating body, an elastic latching piece for articulation formed on the operating body and elastically biased in a direction perpendicular to the sliding direction thereof, a protrusion formed on the latching piece, and the casing. It consists of a rib formed on the back surface and a recess formed in the rib that cooperates to constitute an articulating mechanism by engaging with the protrusion, and the sliding surface on the back surface of the casing has the hook. The feature is that a concave groove is formed corresponding to the stopper piece to prevent contact between the stopper piece and the slide surface, so that the stopper piece can be elastically deformed without coming into contact with the slide surface when the operating body is slid. The operating body can be operated smoothly, and if grease is stored in the groove, smooth movement of the operating body can be achieved.

(E) Embodiment 1 is a case of an electronic device, and the back side of the case 1 includes a switch case 5 consisting of a slide surface 3 with a switch operation hole 2 extending all the way to the surface, and a rib 4 surrounding this slide surface 3. , has a screw-holding rib 6 for fixing the back cover.

Reference numeral 7 denotes a resin switch operating body, and this operating body 7 has a knob 8 protruding from the surface thereof that protrudes from the switch operating hole 2, a movable contact housing groove 9 recessed in the bottom surface, and a protrusion 10 on the side surface. An elastic locking piece 11 for articulation is integrally formed with both ends of the locking piece 11 being pivotally supported on the side surfaces by pivots 12.

13a and 13b are on recesses and off recesses provided in the side wall 4 of the switch case 5 corresponding to the on and off positions of the protrusion 10 of the locking piece 11 of the operating body 7; When the body 7 is on, the protrusion 10 enters the on recess 13a, and when the body 7 is off, the protrusion 10 enters the off recess 13b, thereby forming an articulation mechanism.

Reference numeral 14 denotes a groove formed in a portion of the slide surface 3 facing the locking piece 11 by being further recessed from the slide surface 3. Grease 15 for lubrication is stored in the groove 14. , in the state of movement between the ON recess 13a and the OFF recess 13b of the protrusion 10, the elastic latching piece 11 moves in a direction ( Even if the elastic locking piece 11 is bent in the downward direction (FIG. 3A), the groove 14 allows the elastic locking piece 11 to be elastically deformed so as not to come into surface contact with the slide surface 3.

Reference numeral 16 denotes a chevron-shaped movable contact piece made of phosphor bronze plate stored in the movable contact piece storage groove 9 of the switch operation body 7;
19 is a printed circuit board mounted with an electronic circuit component on which a switch fixed contact 18 is formed by a printed pattern;
is a back cover, and the switch operating body 7 having the movable contact piece 16 is placed on the printed circuit board 17, and the back cover 19 is opened with the knob 8 of the operating body 7 protruding from the switch operating hole 2. are integrated by fixing them to the screw-fastening ribs 6 of the casing 1 with screws 20.

When the knob 8 of the switch operating body 7 is slid, the elastic latch piece 11 is bent and the protrusion 1 is bent.
0 is removed from the recesses 13a and 13b,
Even if the locking piece 11 is bent at this time, this movement will cause the concave groove 1 to
4, the locking piece 11 does not rub against the slide surface 3, the protrusion 10 only rubs against the rib 4, and the grease 15 in the groove 14 prevents the switch operating body 7 from sliding. It slides smoothly on the slide surface 3, and the protrusions 10 of the elastic locking pieces 11 smoothly move in and out of the on/off recesses 13a and 13b, allowing a crisp slide operation.

(f) Effect of the invention Therefore, according to the present invention, even if the elastic latching piece of the switch operation body bends during slide operation, the elastic latching piece will not rub against the sliding surface due to the groove, and moreover, the grease will prevent the elastic latching piece from rubbing against the sliding surface. , it is possible to obtain a slide switch that can perform smoother and more crisp slide operation.

[Brief explanation of the drawing]

The drawings all relate to the slide switch, and Figures 1 to 4 are views of the embodiment of the present invention. Figure 1 is an exploded perspective view of the main part, and Figure 2 A and B are the back side of the main part of the casing. 3A and 3B are a back view and a sectional view of the main parts, FIGS. 4A and 4B are a back view and a sectional view of the main parts in a sliding state, and FIGS.
B and C are a front view, a back view, and a sectional view of a conventional example. 5...Switch case, 7...Switch operation body, 11...Elastic locking piece for articulation, 13a...Recess for ON, 13b...Recess for OFF, 14...Concave groove,
15...Grease.

Claims (1)

[Claims for Utility Model Registration] (1) A housing having a switch operation hole and a knob that is movably inserted into the operation hole and sliding along a sliding surface on the back of the housing. A switch operation body, an elastic locking piece for articulation formed on the operation body and elastically biased in a direction perpendicular to the sliding direction, a protrusion formed on the locking piece, and a It consists of a rib formed and a recess formed in the rib and which cooperates to constitute an articulation mechanism by engaging with the protrusion, and the sliding surface on the back surface of the casing is provided with the latch piece. 1. A slide switch characterized in that a concave groove is formed to prevent contact between the locking piece and the slide surface. (2) The slide switch according to claim 1 of the above-mentioned utility model registration, characterized in that grease is stored in the groove.