JPH041617Y2 - - Google Patents

Description

[Detailed description of the invention] (Field of industrial application) This invention is an improvement of push button switches, especially a push button for a lamp circuit and a push button for an alarm to illuminate the dial etc. so that you can tell the time even in the dark. This relates to a push button switch that has an integrated structure.

(Prior Art) Clocks conventionally known as luminous watches have luminous paint applied to the hands and letters on the dial, and the luminescent paint glows even in the dark, making it convenient to tell the time. This luminescent paint has also been used in

However, these types of luminescent paints include phosphorescent paints that absorb external light and emit light for a short time, self-luminous paints that contain radioactive elements and emit light for a long time, and phosphorescent paints that emit light for a long time by absorbing external light, and self-luminous paints that contain radioactive elements and emit light for a long time. There are many types of paints, including light-emitting paints, but self-luminous paints were preferred because they emit light for a long time. However, in recent years, the effects of the radioactive elements contained in this self-luminous paint on the human body have become a problem, and it has become impossible to use it in watches.

For this reason, it may be possible to illuminate the hands and letters on the dial without using any luminous paint, making it possible to tell the time even in the dark. The installation of push buttons is being considered.

(Problems to be solved by the invention) However, in the device with the above configuration, for example,
To install this lamp circuit in the alarm clock,
Since a light push button is required in addition to the alarm push button, two push buttons are required, which increases the number of parts, resulting in disadvantages such as poor assembly efficiency and high cost.

The object of the present invention is to eliminate the drawbacks of the prior art and provide a push button switch that has a light push button and an alarm push button integrated into one body.

(Means for Solving the Problems) The configuration of the present invention for achieving the above object will be explained using FIG. 1 corresponding to the embodiment. A plastic bottom plate 1 has a stopper 2 erected on one side, a horizontal protrusion 4 in a notch 3 in the center of the opposite side, and a light switch part 6 consisting of normally open contacts 6a and 6b arranged horizontally between the two. And this bottom plate 1
In the horizontal protrusion 4, the locking piece 1 is attached to the bottom plate 1.
2 is a box-shaped push button cover 9 made of plastic that can be elastically removed from the system; and a circular recess 10 on the upper surface of this cover 9.
It is loosely fitted into the through hole 11 provided in the top plate, and the upper end slightly protrudes from the upper surface of the cover.
A push button part consisting of a rod-shaped light push button 8 whose lower end abuts on the movable piece 6b of the normally open contact 6 of the bottom plate 1, and an alarm switch 13 having a connecting part 15 formed on the top of the movable armature 14. The connecting part 15 of the alarm switch 13 is inserted into the gap formed between the push button cover 9 of the push button part and the bottom plate 1.

(Function) According to the present invention, since the push button switch of the alarm clock is constructed as described above, the light push button 8 is placed on the pin 7 of the bottom plate 1, and the upper part is covered with the push button cover 9.
and the stopper 2 of the bottom plate 1.
After placing the push button cover 9 on the bottom plate 1 so as to make contact with the push button cover 9, lightly press the push button cover 9 to release the locking piece 1.
2 is bent and its engagement hole 12a is fitted into the horizontal protrusion 4 of the bottom plate 1 and locked. And push button cover 9
Since a gap is formed between the bottom plate 1 and the bottom plate 1, when the connecting part 15 of the alarm switch 13 is inserted into this gap, the engagement hole 17 will fit into the tip of the horizontal protrusion 4. An alarm push button switch and a light push button switch are integrally formed. Therefore, if the fixed spring 6a and movable spring 6b of the normally open contact 6 for the light are connected to a battery, by lightly pressing the light push button, the hands, letters, etc. will be illuminated, allowing you to see them in the dark. However, since the time can be known and the alarm pushbuttons are provided in the recess 10, there is no risk of pressing the alarm pushbuttons at the same time. When it is desired to press the alarm push button, if the push button surface excluding the recess 10 is used, there is no need to worry about touching the light push button 8, and each can perform its own intended function. Therefore, the aforementioned drawbacks can be eliminated.

(Embodiment) Fig. 1 is an exploded perspective view showing an embodiment of the present invention, in which 1 is a plastic bottom plate, 2 is a stopper erected on one side of the bottom plate 1, and 3 is a stopper erected on one side of the bottom plate 1; A notch provided on the opposite side of the stopper 2, 4 a horizontal protrusion protruding horizontally into the notch 3, 5 a raised part provided on both ends of the bottom plate 1 perpendicular to the stopper 2; A normally open contact 6 is provided on the parts 5, 5, and a movable spring 6b is loosely fitted into a pin 7 set in the bottom plate 1 in a through hole 6c of the fixed spring 6a, so that it can be moved up and down. 8 is a rod-shaped push button for the light, provided inside the lower stepped part, and the hole is pin 7.
fit loosely into Reference numeral 9 denotes a box-shaped plastic push button cover (hereinafter referred to as cover), which has a circular recess 10 formed in its top plate, and a through hole 1 in the center thereof.
1 is provided. Reference numeral 12 denotes a locking piece that is provided vertically below the inner surface of the cover 9 and has an engagement hole 12a at its tip. Reference numeral 13 is an alarm switch having a pressing stroke much longer than the contact interval of the normally open contacts 6, and the top of the movable armature 14 formed in a T-shape is bent at a right angle to form a connecting portion 15. There is. In addition,
16 is a mounting hole for the alarm switch 13, and 17 is an engagement hole for the horizontal protrusion 4 of the bottom plate 1.

The above parts are assembled as follows.

First, place the light push button 8 on the pin 7 of the bottom plate 1, insert its head from below the through hole 11 of the cover 9, and place the cover 9 on the bottom plate 1 so that it contacts the inside of the stopper 2 of the bottom plate 1. When placed, the locking piece 1
2 is located within the notch 3, so when the cover 9 is lightly pressed, the locking piece 12 is bent and the engagement hole 12a is easily fitted into the horizontal protrusion 4 of the bottom plate 1. As a result, the push button part is assembled, and at this time, a gap (not shown) is formed between the cover 9 and the bottom plate 1 into which the connecting part 15 of the alarm switch 13 can be inserted. Therefore, when the connecting portion 15 is inserted into this gap, its engaging hole 17 will fit into the horizontal protrusion 4 of the bottom plate 1, completing the assembly of the push button switch according to the present invention.

FIG. 2 is a schematic rear view of an alarm clock showing an example of application of the above embodiment, and the same parts as in FIG. 1 are given the same reference numerals. Incidentally, FIG. 2 shows a state in which the alarm is stopped and the alarm is continuously stopped, and in the alarm state, the alarm push button 9 protrudes from the watch housing 18. In the figure, 18 is a plastic watch case, 19 is a push button switch fixing screw, 20 is a watch mechanism, 21 is a battery housing, 22 is an alarm, and 23 is a lamp.

With the above structure, when the light push button 8 is lightly pressed, the normally open light contact 6 is pressed and the contacts are closed, as shown in FIG. 1, and the lamp circuit (not shown) is activated. is closed and the lamp 23 is lit. Since this lamp 23 is set in the through hole 18a of the plastic housing 18, the dial, hands, etc. are illuminated by the direct light from the lamp itself and the light transmitted through the plastic part, so you can read the time even in the dark. I can know. In addition, the top plate recess 10 of the cover 9 is used to set and stop the alarm.
This can be easily done by pressing down on a wide area other than the vicinity, especially the front surface. In other words, since the light push button 8 protrudes from the center of the circular recess 10 provided at the rear center of the top plate of the cover 9, it is only necessary to press the part that does not touch the push button 8, and the push button 8 is a through-hole. 11
Since the cover 9 is loosely fitted into the cover 9, it does not operate even if the cover 9 is pressed down, and therefore the lamp 23 does not light up.

In addition, in order to turn on the light, it is only necessary to lightly press the light push button 8, and after closing the normally open contact 6, press the push button 8.
is stopped by pin 7 and there is no need to push it down any further. Therefore, there is no risk that the push buttons 8 and 9 will be pressed simultaneously for purposes other than alarm purposes.
Therefore, the operations of setting and stopping the alarm and lighting the lamp can be performed completely independently at any time.

Note that the shape of the recess 10 of the cover 9 for the light push button 8 is not limited to a circular shape.

(Effects of the invention) As explained in detail above, according to the invention, the lamp circuit and the alarm circuit can be turned on and off with one integrated push button, so unlike conventional methods, the lamp circuit and the alarm circuit can be turned on and off. This eliminates the need for push-button switches, makes the entire push-button switch more compact, makes assembly of each component extremely simple and reliable, and can be expected to have various effects such as cost reduction. It can also be applied to

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention.
FIG. 2 is a schematic rear view showing an example of application of the present invention. 1... Bottom plate, 2... Stopper, 3... Notch,
4... Horizontal protrusion, 6... Normally open contact, 8... Push button for light, 9... Push button cover, 10... Recess, 11
... Through hole, 12 ... Locking piece, 13 ... Alarm switch, 14 ... Movable armature, 15 ... Connection section, 16 ... Mounting hole, 18 ... Watch case, 20 ...
...Clock mechanism section, 21...Battery storage section, 22...Alarm section, 23...Lamp.

Claims (1)

[Scope of Claim for Utility Model Registration] A bottom plate with normally open contacts for lights arranged horizontally on the top surface, and a box-shaped box that can be elastically removed from the bottom plate in a horizontal protrusion provided on one side of the bottom plate. A push button cover, and a rod-shaped light push button that is loosely fitted into a through hole provided in a top plate in a recess on the upper surface of the cover, and whose upper end slightly protrudes from the upper surface of the cover and whose lower end abuts a normally open contact on the bottom plate. and an alarm switch in which a connecting part is formed on the top of a movable armature, and the connecting part of the alarm switch is provided in a gap formed between the push button cover and the bottom plate of the push button part. A push-button switch for an alarm clock that is inserted.