JPH0451387Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a push button switch.
For example, the present invention relates to a push button switch, such as an interior light, in which the center of the knob of the push button switch and the center of the slide axis of the slider are offset due to the mounting body such as a vehicle body.

[Conventional technology]

Conventional push button switches of this type are shown in Figures 3 to 5.
This will be explained with reference to the figures. The illustrated example describes a switch for turning on and off the interior lights of an automobile.

In the figure, 1 is a housing for an automobile interior light, and this housing 1 has a flat part 10 at one end,
and a recess 11 at the other end. An engagement hole 13 is provided at the edge of the front opening 12 of this recess 11 . One end of the mounting spring 15 is attached to the side of this recess 11. A positive terminal 14, a negative terminal 18, and a reflecting plate 19 are attached to the bottom of the recess 11 of the housing 1, respectively. The valve 3 is detachably attached to the positive side terminal 14 and the negative side terminal 18.

Reference numeral 2 denotes a dish-shaped lens, and an engaging claw 20 is provided on the periphery of this lens 2. Engagement claw 20 of this lens 2
is removably engaged with the engagement hole 13 of the housing 1, and the lens 2 is disposed in the front opening 12 of the recess 11 of the housing 1.

400 is a push button switch that turns on and off the bulb 3, and this push button switch 400 includes a switch body 40, a slider 41 whose base end is slidably attached to the switch body 40, and is fixed to the tip of the slider 41. and a knob 42. A wing-shaped attachment piece 44 is provided on the switch body 40, and a fixed contact 43 is provided on the switch body 40.
A movable contact (not shown) is provided at the base end of the slider 41, and a cam (not shown) and an engagement pin (not shown) are provided that engage the switch body 40 and the base end of the slider 41. (not shown), and a compression spring 45 is interposed between the switch body 40 and the knob 42 to constantly bias the knob 42 and the slider 41 in the direction in which the slider 41 comes out of the switch body 40. When the push button switch 400 is pushed to the end of the slide stroke of the slider 41 against the spring force of the compression spring 45, the push button switch 400 operates as follows:
The knob 42 and slider 41 are locked in the pressed state, the movable contact contacts the fixed contact 43, and the circuit changes from "open" to "closed". Moreover, when the knob 42 is pushed again against the spring force of the compression spring 45, the action of the cam and the engagement pin and the compression spring 45
The spring force returns the knob 42 and slider 41 to their original states and locks them in that state, causing the movable contact to separate from the fixed contact 43, changing the circuit from "closed" to "open." In this way, a two-stage switching operation of "opening" and "closing" of the circuit is performed. The mounting piece 44 of the push button switch 400 is fixed to the housing 1 with the screw 17, and the knob 42 of the push button switch 400 is positioned in the through hole 16 of the housing 1. The fixed contact 43 of the push button switch 400, the positive terminal 14 and the negative terminal 18 of the lamp, and a power source are connected by lead wires (not shown).

The interior light equipped with the push button switch 400 thus constructed is attached to the mounting body 5 such as a car body using the mounting spring 15, and when the knob 42 of the push button switch 400 is pressed,
The bulb 3 lights up, and when the knob 42 is pushed again, the bulb 3 goes out.

The push-button switch 400 for an interior light or the like depends on the location where it is installed, as shown in FIG.
and the center O' of the slide shaft of the slider 41 are biased. That is, the switch body 40 and the slider 41 are biased toward the lamp body side.

[The problem that the idea aims to solve]

However, the conventional push button switch 400 described above
Because the center O of the knob 42 and the center O' of the slide shaft of the slider 41 are offset depending on the mounting location, there will be a problem if the force is applied to the center O' of the slide shaft when pushing the knob 42. However, it generally falls on the center O of the knob 42. When the knob 42 and the slider 41 are pressed while a force is applied to the center O of the knob 42, and the slider 41 continues to be pushed at the end of the slide stroke, the knob 42 moves from the center O to the side opposite to the slider 41. The knob 42 and slider 41 are locked while the knob 42 remains tilted. Therefore, when the knob 42 is pushed in, the knob 42 is tilted, which is unfavorable in terms of appearance.

An object of the present invention is to provide a push button switch configured so that the knob does not tilt.

[Means to solve the problem]

In order to achieve the above-mentioned object, the present invention provides a stopper for regulating the end of the slider's slide stroke on the opposite side of the slider from the center of at least one of the switch body and the knob. Features.

[Effect]

In the present invention, a stopper is provided on at least one of the switch body and the knob, and when the knob is pressed and the slider reaches the end of the slide stroke, the stopper acts, and the movement of the knob in the pushing direction with respect to the switch body is restricted. Ru. For this reason, even if the knob is continuously pressed at the end of the slide stroke of the slider, the knob will not tilt. Therefore, the knob can be prevented from tilting,
It doesn't spoil the beauty.

〔Example〕

Hereinafter, two examples of the push button switch according to the present invention will be described with reference to FIGS. 1 and 2.

FIG. 1 shows a first embodiment of the push button switch according to the present invention, and is a sectional view of the push button switch used as a switch for turning on and off an interior light of an automobile.

In the figure, the same reference numerals as in FIGS. 3 to 5 indicate the same parts. In this embodiment, the push button switch 4 of the present invention has a part 46 of the mounting piece attached to the knob 4.
2 to the opposite side from the slider 41 (opposite to the center O' of the slide shaft of the slider 41),
The stopper 6 is inserted into the knob 42 from the tip of the extending portion 46.
shall be integrally protruded in the direction of. The distance between the upper end surface of this stopper 6 and the lower surface of the knob 42 is adjusted using the slider 41.
The slide stroke length of the knob 42 and the slider 41 is controlled by the stopper 6.

Push button switch 4 of the present invention in this embodiment
Since the switch has the above-mentioned configuration, when the knob 42 is pressed and the slider 41 reaches the end of the slide stroke, and at the same time the electric circuit inside the switch 40 switches from "open" to "closed", the knob 42 stops at the stopper. 6, the movement of the knob 42 and slider 41 in the pushing direction with respect to the switch body 40 is restricted. To this end, with the force being applied on the center O of the knob 42, the knob 42
Even if the knob 42 is kept pressed at the end of the slide stroke of the slider 41, the knob 42 will not tilt. Therefore, the knob 42 can be prevented from tilting in the pushed-in state, and the aesthetic appearance will not be impaired.

FIG. 2 shows a second embodiment of the push button switch according to the present invention, and is a sectional view of the push button switch used as a switch for turning on and off an interior light of an automobile.

In the figure, the same reference numerals as in FIG. 1 and FIGS. 3 to 5 indicate the same parts. Therefore, in this embodiment, the push button switch 4' of the present invention has a stopper 7 protruding from the lower surface of the knob 42 in the direction opposite to the slider 41 from the center O of the knob 42. . The lower end surface of this stopper 7 and the extension portion 46
Let the distance between the top surface and the top surface of the slider 41 be the slide stroke length of the slider 41.

The push button switch 4' of the present invention in this embodiment
can achieve the same effects as those of the first embodiment described above.

In the above-mentioned embodiment, an example was explained in which the switch was used as a push button switch for turning on and off the interior lights of an automobile, but it can also be used as other push button switches.

[Effect of idea]

As is clear from the above, in the push button switch of the present invention, at least one of the switch body and the knob is located at a portion opposite to the slider from the center of the knob.
Since a stopper is provided to restrict the end of the slide stroke of the slider, when the knob is pressed and the slider reaches the end of the slide stroke, the stopper acts and restricts the movement of the knob in the pushing direction with respect to the switch body. For this reason, even if the knob is continuously pressed at the end of the slide stroke of the slider, the knob will not tilt. Therefore, the knob can be prevented from tilting,
It doesn't spoil the beauty.

[Brief explanation of the drawing]

FIG. 1 shows a first embodiment of the push button switch according to the present invention, and is a sectional view of the push button switch used as a switch for turning on and off an interior light of an automobile. FIG. 2 shows a second embodiment of the push button switch according to the present invention, and is a sectional view of the push button switch used as a switch for turning on and off an interior light of an automobile. Fig. 3 is a front view of an example in which a conventional push button switch is used as a switch for turning on and off the interior lights of an automobile, and Figs. 4 and 5 are cross-sectional views along the - line and - line in Fig. 3. . 4, 4'...Push button switch, 40...Switch body, 41...Slider, 42...Knob, 6, 7
...Stopper, O...Center of knob, O'...Center of slider axis.

Claims (1)

[Scope of utility model registration request] A push button switch comprising a switch body, a slider whose base end is slidably attached to the switch body, and a knob fixed to the tip of the slider, the center of the knob being offset from the center of the slide shaft of the slider. A push-button switch according to the present invention, further comprising a stopper for regulating the end of the slide stroke of the slider, located on the opposite side of the slider from the center of at least one of the switch body and the knob.