JP2595969B2 - Illuminated push switch - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is applicable to various electronic devices and automobiles, which can be used in a two-stage lock, and furthermore, an operation display has a lighting color of
Each button position is displayed in a different color. It relates to an illuminated push switch.

2. Description of the Related Art FIGS. 8 to 14 show the configuration of a conventional illuminated push switch. In FIG. 8, 1 is a plurality of fixed terminals.
A terminal plate provided with 2a to 2d and an illuminating lamp 3, on which a contact piece 6, a coil spring 8 and a sliding body 5 provided with a locking pin 10 having a T-shaped cross section are arranged. One end of a button 13 made of a light transmitting material is connected to the front surface of the moving body 5. Further, the sliding body 5 has a step on one side.
An opening 15 having 14 is provided. A filter 19 having a pivot 18 at one end is disposed between the terminal plate 1 and the lower surface of the slide 5, and a torsion spring 20 is mounted on the pivot 18. A frame 21 for guiding the sliding of the sliding body 5 is connected to the terminal plate 1, and a cam 24 can slide on a part of the top surface of the frame 21 in a direction perpendicular to the sliding direction of the sliding body 5. Are located in A filter 19 is fitted into the lower end of the frame 21, and the filter 19 is constantly urged clockwise about a pivot 18 by a torsion spring 20. Further, a cover 32 is incorporated in the front surface of the frame 21, and the button 13 is fitted in the cylindrical portion 31 of the cover 32, and is urged by a return coil spring 33 so as to always project to the front side of the cover 32. doing.

Next, the operation of the above conventional example will be described. FIG. 9 shows a release state, in which the button 13 protrudes forward from the cylindrical portion 31 of the cover 32 by the return coil spring 33, and the sliding member 5 is also located on the front side.
10 enters the lower surface of the step portion 14 of the opening 15 of the sliding body 5 as shown in FIG. In this state, when the button 13 is pushed in against the return coil spring 33 and set to the first locked position as shown in FIG. 11, the contact piece 6 is brought into contact with the fixed terminals 2a and 2b. From the state shown in the figure, the first switch circuit is turned ON by contact between the fixed terminals 2b and 2c, the lamp 3 is also turned on, and the light of this lamp 3 enters the button 13 through the opening 15 and
The light of the lamp 3 is transmitted through the button 13 from the tip of the switch 13 to indicate that the switch is ON. At this time, the filter 19 is engaged with the lower surface of the step portion 14 of the opening 15 of the sliding body 5 as shown in FIG.
It does not exist during the period. Then button 13
13 is set further to the second lock position as shown in FIG. 13, the contact piece 6 is switched so as to conduct between the fixed terminals 2c and 2d, the second switch circuit is turned on, and the point of the lamp 3 is turned on. Lighting continues and filter 19 is open
14 is rotated clockwise by a torsion spring 20 so that the opening 15 of the sliding body 5 is opened as shown in FIG.
And a filter is present between the lamp 3 and the button 13. Since the light of the lamp 3 is displayed at the tip of the button 13 through the color of the filter 19, the first switch
Displayed in a different color than when ON. When the button 13 is further depressed from the state of the second lock position, the lock pin 10 locked by the heart-shaped cam groove of the cam 24 is released, and the return coil spring 33 returns to the release position shown in FIG. Return to sliding.

As described above, the display color of the first lock position and the second lock position can be changed by incorporating a filter even in the above-mentioned conventional illuminated push switch.

Problems to be Solved by the Invention However, in the above-mentioned conventional illuminated push switch, the color tone of the display can be changed only in the first locked position and the second locked position. Since the color tone cannot be changed between the position and the first lock position, there is a problem that it is not possible to determine whether the shutter is the release or the first lock position.

The present invention solves such a conventional problem, and provides an excellent illuminated push switch that can change the display color tone of the first lock position, the second lock position, and the respective display colors during night illumination at the release position. It is intended to provide.

Means for Solving the Problems In order to achieve the above object, the present invention holds a contact piece for switching conduction between the fixed terminals on a terminal plate having a fixed terminal and a lamp, and provides an opening in the center, A sliding body having a step portion configured in two steps is arranged on one side thereof, and on this,
The sliding body is covered with a frame for guiding the sliding body, and the sliding body is locked between the terminal plate and the sliding body at the stepped portion of the opening of the sliding body, at the release position, the first lock position, and the second lock position. It has two L-shaped transmission plates which are turned up and closed at the opening, and a filter formed by changing the thickness of each transmission plate is provided. The front surface of the sliding body is made of a light-transmitting material. The cover is placed on the button and a cam that locks in two steps is provided.

Therefore, according to the present invention, the filter is formed into an L-shape based on the rotation axis, and at the release position, one of the transmission plates of the L-shaped filter is closed between the lamp and the button, and the light of the lamp is reduced. Is displayed through the transmission plate, and in the first locked position, the L-shaped filter is rotated and locked when the two transmission plates are no longer located between the lamp and the button. Light directly displays the button.

In the second locked position, the L-shaped filter is further rotated and the other transmission plate is closed between the lamp and the button, and the light of the lamp is displayed through the transmission plate. That is, at the release position, the light of the lamp is displayed through one transmission plate of the L-shaped filter, and at the first lock position, the light of the lamp does not pass through the filter.
It is displayed directly, and in the second lock position, it is displayed through the transmission plate of the other filter different from the release position. Therefore, even when night illumination is added, at the time of the release, the first lock, and the second lock, In the case of, there is an effect that it can be clearly identified.

Embodiment An embodiment of the present invention will be described with reference to FIGS. 1 to 7. Reference numeral 1 denotes a terminal plate provided with a plurality of fixed terminals 2a, 2b, 2c, 2d and provided with a lamp hole 4 for mounting an illumination lamp 3, on which a sliding body 5 is slidably disposed. ing. The lower surface of the sliding body 5 has a recess 7 for accommodating a U-shaped contact piece 6 for switching the conduction between the fixed terminals 2a to 2d by sliding the sliding body 5, and the contact piece 6 is provided at the center of the recess 7.
A recess 9 is provided for accommodating a coil spring 8 for pressing the coil spring 8 against the fixed terminals 2a to 2d, and a locking pin 10 having a T-shaped cross section and having a plate-shaped portion 10a at the lower end is protruded to the upper surface. A through hole 11 is provided. This lock pin
The plate-like portion 10a at the lower end of 10 is in contact with the upper end of the coil spring 8, and the locking pin 10 is constantly urged upward by the coil spring 8. A notch 12 for connection is provided on the front surface of the sliding body 5, and a button 13 made of a light-transmitting material is provided in the notch 12 for connection.
Are press-fitted and joined. Furthermore, this sliding body 5
Is provided with an opening 15 having a step portion 14 formed in two steps on one side, and protruding pieces 16 and 17 are provided on the lower surface. Further, between the terminal plate 1 and the lower surface of the sliding body 5, a filter 19 having a pivot 18 at one end, which is formed in an L-shape with green, and which has a different material thickness of each transmission plate is arranged. A protrusion is provided on a side portion of the sliding member 5 so as to be locked on one side of the sliding body 5 by a step portion formed in two steps. A torsion spring 20 is mounted on the pivot 18. Terminal board 1
Is connected to a frame 21 for guiding the sliding of the sliding body 5, and a long hole 22 is formed in a part of the top surface of the frame 21 in a direction orthogonal to the sliding direction of the sliding body 5. This long hole
A guide projection 25 provided on the upper surface of a cam 24 having a heart-shaped cam groove 23 formed on the lower surface is fitted into 22. Therefore, since the sliding pin 5 slides and the locking pin 10 travels in the heart-shaped cam groove 23 of the cam 24, the cam 24 fits into the elongated hole 22 in a direction orthogonal to the sliding direction of the sliding element 5. The slide is guided by the inserted guide projection 25. A shaft hole 26 and a notch 27 are provided at the lower end of the frame 21 for fitting and supporting the pivot 18 of the filter 19, and one end of the torsion spring 20 is locked near the portion where the notch 27 is provided. Locking hole 28 is provided, and this torsion spring 20
The filter 19 is always urged to rotate clockwise about the pivot 18. In addition, the front side of the frame 21 has coupling grooves on both sides.
A plate-shaped body 30 having a 29 and a cover 32 integrally provided with a tubular portion 31 for fitting and guiding the button 13 on the front surface of the plate-shaped body 30 are incorporated using the coupling groove 29, and Tubular part
Coil spring for return to button 13 to be fitted in 31
The button 33 is always urged so as to protrude forward from the tubular portion 31 of the cover 32. The above cam 24
Of the heart groove 23 is configured to be locked in two steps.

Next, the operation of the above embodiment will be described. FIG. 2 shows a release state, in which the button 13 protrudes forward from the upper part 31 of the cover 32 by the return coil spring 33, and the sliding member 5 is also located on the front side.
As shown in FIG. 3, since the protrusion provided on the side surface of the filter 19 is locked by the lower surface of the sliding member 5, it enters the lower surface of the step portion 14 of the opening 15 of the sliding member 5, and One thicker piece is parallel to the terminal plate 1, and the other thinner piece is between the lamp 3 and the button 13 and perpendicular to the terminal plate 1. At this time, the first switch circuit and the second switch circuit do not come into contact with each other, and the lamp 3 is connected so as to be turned on in conjunction with a separately provided night lighting switch. In this state, the nighttime lighting switch is OFF during the day, so the lamp 3 does not light up.
Button 13 is not certified. Next, when the night lighting switch is turned on at night in this state, the lamp 3 is turned on, and the light of the lamp 3 is blocked by the button 13 between the thin transmitting plate and the thinner material. Is incident on the button 13 after passing through one piece, the tip of the button 13 is displayed in yellow green by the mixed color of the light amber of the lamp 3 and the thin green transmission plate of the filter 19,
At night, clarify the position of the switch buttons. Next, when the button 13 is pushed in against the return coil spring 33 and is set to the first locked position as shown in FIG. 4, the contact piece 6 comes into contact between the fixed terminals 2b and 2c and the first switch circuit ON
The lamp 3 is also turned on in conjunction with this. At this time,
As shown in FIG. 5, the filter 19 has a
Since the filter 19 is slid in connection with the filter 13, the intermediate portion of the step 14 provided on one side of the opening 15 of the sliding member 5 also moves to the portion where the filter 19 is locked, so that the filter 19 is The filter 19 is rotated clockwise, and the protrusion provided on the side portion of the filter 19 is locked at the intermediate portion of the rotation by the step surface of the intermediate portion of the step portion 14. Therefore, the two transmission plates of the filter 19 do not block the space between the lamp 3 and the button 13, and the light of the lamp 3 is displayed at the tip of the button 13 as it is. Subsequently, when the button 13 is further depressed and set to the second lock position as shown in FIG. 6, the contact piece 6 is switched so as to conduct between the fixed terminals 2c and 2d, and the second switch circuit is turned on. The lighting of the lamp 3 is continuously performed, and the protrusions provided on the side of the filter 19 have the stepped portions of the sliding body 5.
14 is further deviated from the stepped surface at the intermediate portion, and further rotated clockwise by the torsion spring 20, and the other thicker transmission plate stands between the lamp 3 and the button 13. For this reason, since the light of the lamp 3 passes through the thick dark green transmission plate, the light is displayed at the tip of the button 13 in a dark green color tone. In this manner, the filter 19 formed of the same material and formed in an L-shape with a different material thickness is provided, and the two steps 14 for controlling the rotation are provided on the sliding body 5, so that the nighttime illumination can be improved. In the first lock and the second lock, the buttons 13 can be displayed with different color tones.

As is apparent from the above embodiment, the present invention employs a configuration using an L-shaped filter having two pieces of transmission plates having different material thicknesses, thereby reducing the number of parts compared to the conventional technology. No. 1 during nighttime lighting without increasing
At the time of locking and at the time of second locking, there is an effect that the buttons can be illuminated and displayed in different colors.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of an illuminated push switch according to an embodiment of the present invention, FIG. 2 is a cross-sectional view at the time of the release, and FIG. 3 is a partial cutaway of a main part showing a state of the filter at the time of the release. 4 is a perspective view, FIG. 4 is a cross-sectional view at the time of the first lock, FIG. 5 is a partially cutaway perspective view of a main part showing a state of the filter at the time of the first lock, and FIG. Fig. 7 is a partially cutaway perspective view of a main part showing a state of the filter at the time of the second lock, Fig. 8 is an exploded perspective view of a conventional illuminated push switch, and Fig. 9 is a cross section at the time of release. Figure 10, Figure 10 is a partially cutaway perspective view of a main part showing the state of the filter at the time of the release,
FIG. 11 is a cross-sectional view at the time of the first lock, FIG. 12 is a partially cutaway perspective view of a main portion showing a state of the filter at the time of the first lock,
FIG. 13 is a sectional view at the time of the second lock, and FIG. 14 is a partially cutaway perspective view showing a state of the filter. 1 ... terminal board, 2a ~ 2d ... fixed terminal, 3 ... lamp, 4
... Lamp hole, 5 ... Sliding body, 6 ... Contact piece, 7 ... Recess, 8 ... Coil spring, 9 ... Recess, 10 ... Locking pin, 11 ... Transparent hole, 12 ... Coupling Notch, 13 ... Button, 14 ... Step, 15 ... Opening, 16, 17 ... Protrusion, 18 ...
... Pivot, 19 ... Filter, 20 ... Torsion spring, 21 ... Frame, 22 ... Long hole, 23 ... Heart-shaped cam groove, 24 ... Cam, 25 ... Guide projection, 26 ... Shaft hole , 27 ... Notch, 28
... locking holes, 29 ... coupling grooves, 30 ... plate-like parts, 31 ... cylindrical parts, 32 ... covers, 33 ... return coil springs.

Claims (1)

(57) [Claims] A contact piece for switching conduction between the fixed terminals is held on a terminal plate having a fixed terminal and a lamp, and a sliding body having an opening at the center and a step on one side thereof is disposed. A frame for guiding the sliding body, a button made of a light-transmitting material, a cover for holding the button and engaging with the frame, and a cam for locking in two steps are provided. The button is locked at the stepped portion of the opening so as to be closed, and is rotated with the sliding of the sliding body, so that different colors are given to the button at the release position, the first lock position, and the second lock position. An illuminated push switch provided with an L-shaped filter having two pieces of transmission plates having different material thicknesses.