JPH04123037U - operating device - Google Patents

Abstract

(57) [Summary] [Purpose] To provide an operating device that prevents light from a light emitter or a light guide member from leaking to the outside without separately providing a light shielding member in, for example, a vehicle-mounted audio device. [Configuration] Elastic pressing piece 1 that urges the push button 12 in the return direction
The metal plate 15 on which the elements 5f and 15g are integrally formed has a wide area so that the metal plate 15 covers the rear part of the push button 12 and its surroundings to prevent light leakage.
Since the metal plate 15 can be thin, the space within the device can be minimized, and since the elastic pressing piece is formed integrally with the metal plate, there is no need to separately provide a spring for returning the push button.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to an operating device installed in in-vehicle audio equipment, etc., and is particularly suitable for operation at night. The present invention relates to an operating device provided with illumination means for illuminating a working part.

0002

[Conventional technology]

FIG. 4 is a sectional view showing a conventional operating device provided in a vehicle-mounted audio device. In in-vehicle equipment, the front part of the housing, called the nose, is the operation panel 1. A push button 3 is attached to a hole 2 formed in an operation panel 1, and this push button 3 is pressed. When this happens, the switch 5 is pressed by the pressing portion 3a provided behind it. Note that the reference numeral 4 is a board on which the switch 5 is mounted. Also, the return force of push button 3 is This is achieved by pulling 8. Reference numeral 6 is a light guiding member made of a transparent resin material, and its end portion 6a is , facing the illumination part 3b of the push button 3. A lamp 7 is placed in the hole 6b of the light guiding member 6. The light emitted from the lamp 7 is reflected inside the light guide member 6 and travels. , the illuminating portion 3b is illuminated by the end portion 6a.

0003

[Problem that the idea aims to solve]

As shown in FIG. 4, a lamp 7 and a light guide member 6 are arranged on the back side of the operation panel 1. In the structure where the There is a problem. Therefore, between the operation plate 1 and the light guide member 6 or between the operation plate 1 and the lamp 7, Although it is necessary to place a light shielding member in between, there is a light shielding member inside the operation panel 1 as shown in , the switch 5, the light guide member 6, and the return spring 8 must be arranged. Therefore, it is difficult to secure a space for arranging the light shielding member.

0004 The present invention solves the above-mentioned conventional problems, and requires a separate light shielding member. To provide an operating device that prevents light from the light emitting body or light guide member from leaking outside. The purpose is to

[0005]

[Means to solve the problem]

The operating device according to the present invention includes a push button attached to a hole formed in an operating panel, and A switch located behind the button and operated by pressing the push button, and a switch located inside the operation panel. In an operating device provided with a light guide member arranged to guide light from a light source, A metal plate having a larger area than the push button is installed between the inner surface of the plate and the light guide member. Then, the push button is urged in the return direction by an elastic pressing piece formed on a part of this metal plate. and an end of the light guide member protrudes forward from the hole or notch of the metal plate. The light emitting device is characterized in that it faces the illumination section.

[0006]

[Effect]

In the above means, a metal piece is integrally formed with an elastic pressing piece that urges the push button in the return direction. Make the plate large and cover the rear of the push button and its surroundings with this metal plate. This prevents light leakage. The metal plate only needs to be thin, so it takes up less space inside the device. The space required for pressing is minimal, and since the elastic pressing piece is made of a metal plate integrally formed, it is easy to press. There is no need to separately provide a spring for returning the button.

[0007]

【Example】

Hereinafter, embodiments of the present invention will be described with reference to the drawings of FIGS. 1 to 3. Figure 1 shows the operating device according to the present invention installed in the nose of an in-vehicle audio device. A back view shown from the side (inside the device), and Figure 2 is an exploded perspective view also shown from the back side. , FIG. 3 is a sectional view taken along line III-III in FIG. In the figure, numeral 11 is the nose part of the in-vehicle audio equipment, and its front surface 11a is It serves as an operation board.

[0008] As shown in FIG. 3, a hole 11b is formed in the operation plate 11a. A push button 12 is attached to b. Flange 12 provided on the upper edge of push button 12 a is inserted into the groove 11c formed on the upper edge of the hole 11b of the nose part 11, and the push button 12 The flange 12b at the lower edge of is hooked inside the protrusion 11d at the bottom of the hole 11b. There is. This allows the push button 12 to rotate using the flange 12a on the upper edge as a fulcrum. It looks like this.

[0009] On the back side of the operation plate 11a of the nose part 11, there is a back side panel 11e that projects inward. A back panel 11f having a step above it and protruding further inward is formed. Ru. A hole 11g is formed in the lower back panel 11e, and a hole 11g is formed inside the push button 12. The locking protrusion 12c and the pressing protrusion 12d that protrude integrally are inward from the hole 11g. It is coming. A rectangular tube 11h is integrally formed on the back panel 11e. figure 1 and 2, a slit 11i is formed on the side of this rectangular tube 11h. There is.

0010 The push button 12 itself is made of a non-transparent material, and the upper front surface thereof An indicator 13 is attached to the. This indicator 13 is made of a transparent material. When the operation mode corresponding to this push button 12 is set, This indicator 13 is illuminated. The inside of the square tube 11h is This is a light guide path 11j, and light is guided from this light guide path 11j to the indicator 13. The sea urchin is turning.

[0011] As shown in FIGS. 1 and 2, the same applies to the back panel 11f above the nose portion 11. A square tube 11m, a slit 11n formed on the side of this square tube 11m, and A hole 11k is formed, and a pusher having the same shape as shown in FIG. 3 is provided in front of the hole 11k. The button latching protrusion 12c and the pressing protrusion 12d are exposed to the hole 11k (see Fig. 1). .

0012 As shown in FIG. 2, square holes 11o and 11p are formed in the back panels 11e and 11f. has been done. As shown in FIG. 2, the push button 12 is formed with a display section 12e for displaying numbers and the like. It is. In this display section 12e, the push buttons 12 are etched in the shape of numbers or the like. It is formed by burying a light-guiding material in that part, so it is always visible at night. It is illuminated from the back. The square holes 11o and 11p display these numbers, etc. It faces the rear of the portion 12e.

[0013] Reference numeral 15 is a metal plate. This metal plate is a thin plate with spring properties such as phosphor bronze. It is a material. This metal plate 15 is connected to the lower half part 15a and the upper half part 1 through the bent part 15c. 5b, the lower half 15a is in close contact with the inner surface of the back panel 11e, and the upper half 15a is in close contact with the inner surface of the back panel 11e. 5b is installed so as to be in close contact with the inside of the back panel 11f, for example, the back panel 1 The protrusions provided at 1e and 11f will not be inserted into the holes of the metal plate 15 and melted. The metal plate 15 is fixed. The metal plate 15 has strips 15d and 15e formed thereon. As shown in Figure 1, The strip 15d is fitted into the slit 11i of the square tube 11h, and the strip 15e is inserted into the square tube 11m. The metal plate 15 is fitted into the slit 11n, thereby positioning the metal plate 15. Money Elastic pressing pieces 15f and 15g are formed on the metal plate 15, and these pressing pieces press the push button. The push button 12 returns to the protruding direction by being latched to the latching protrusion 12c that protrudes to the rear of the button 12. energized.

[0014] As shown in FIG. 2, a square hole 15h and a square notch 15i are formed in the metal plate 15. The square hole 15h is located behind the square hole 11o, and the notch 15i is located behind the square hole 11p. It is located at the rear. A light guide member 16 is provided behind the metal plate 15. This light guide member 16 It is made of a transparent resin material, etc., and is tightly attached to the back surface of the metal plate 15. and fixed. The end portion 16a of the light guide member 16 has a square hole 15 formed in the metal plate 15. h into the square hole 11o of the back panel 11e, and the display part 12e of the push button 12 It is facing the back side of. A hole 16b is formed in the center of the light guide member 16. A lamp 17 is inserted into the hole 16b. As shown in FIG. A similar light guide member 18 is also provided in the upper part of the figure, and its end 18a is connected to the metal plate 1. It is inserted from the notch 15i of No. 5 into the square hole 11p of the back panel 11f, and the push button 1 2 (another push button placed above the push button in FIG. 3) facing the back surface of the display section 12e. There is.

[0015] As shown in FIGS. 1 and 2, a square tube 11q is located between the back panels 11e and 11f. It is formed. This square tube 11q is provided between the push buttons of the operation panel 11a. This is to guide light to the translucent display section.

[0016] As shown in FIG. 3, further behind the metal plate 15 and each light guide member 16 and 18 A substrate 20 is provided. This substrate 20 has a pressing protrusion 12 of the push button 12. The switch 21 which is pressed and operated by d, and the corresponding A light source 22 such as an LED is mounted to illuminate the indicator 13 of the push button 12. It is. Further, this substrate 20 includes a lamp 17 shown in FIG. 2 and a light guide member. Another lamp (not shown) inserted into the hole 18b of No. 18 and the inside of the rectangular tube 11q. Opposing lamps (not shown) are provided.

[0017] A joint piece 15j is provided on the lower edge of the metal plate 15, and a joint piece 15k is provided on the side edge. on the lower edge of the back panel 11e and the stepped portions of the side edges of the back panels 11e and 11f. is set up. As shown in FIG. 3, the nose portion 11 is made of a metal main body chassis 25. At this time, the joint piece 15j and the front edge of the main body chassis 25 are fitted. 15k is elastically fitted. As a result, the metal plate 15 is the same as the main body chassis 25. The static electricity generated in the nose part 11 escapes to the main body chassis 25 due to the ground potential. It looks like this.

[0018] The assembly process of the above-mentioned operating device will be explained. The push button 12 is inserted into the hole 11b from the front of the operation panel 11a. back panel A metal plate 15 is installed on the back surfaces of 11e and 11f and fixed by welding or the like. The light guide members 16 and 18 are fixed by adhesion or welding to the back panels 11e and 11f. be done. Thereafter, the substrate 20 is fixed. The board 20 is the inner end of the rectangular tubes 11h and 11m. It is positioned and fixed by bringing it into contact with.

[0019] Next, the operation will be explained. At night, when you turn on the lighting switch of the side lamp of a car, the light guide member 1 6 and the lamp inserted in the other light guide member 18. The lamp facing the rectangular tube 11q is turned on. Light guiding members 16 and 18 The light transmitted through the inside of the push button 12 is transmitted from the end portions 16a and 18a to the display portion 12e of the push button 12. illuminate. In addition, the display section on the front of the operation panel 11a is illuminated by the light sent into the rectangular tube 11q. illuminated. Also, when push button 12 is pressed, switch 21 is switched and light source 22 is turned on at the same time. , the indicator of the push button 12 being operated is displayed by the light passing through the light guide path 11j inside the rectangular tube 11h. 13 is illuminated.

[0020] In the above embodiment, the mounting portion of the push button 12 is connected to the back panel 11e and 11f. Since it is blocked from the rear, light from the light guide members 16, 18, etc. It is designed to prevent leakage to the outside from the edges of 12. Furthermore, the back panel 11e A metal plate 15 wider than the area of the push button 12 is installed on the back surface of the push button 11f. The entire back panels 11e and 11f are covered. Therefore, there is a notch B on the back panel. Even if there is a It is now possible to completely prevent the light illuminated in any direction from leaking in the direction of the push button 12. There is. Therefore, a light path can be formed freely behind the rear panels 11e and 11f. Also, it is possible to completely prevent this from leaking from the edge of the push button 12. In the example shown in the figure, the operating device for in-vehicle audio equipment was explained, but the present invention This can also be implemented in other in-vehicle equipment or household audio equipment.

[0021]

[Effect of the idea]

As described above, according to the present invention, the light from the illumination part is completely blocked by the metal plate. Can prevent leakage. In addition, the metal plate also serves as a member that urges the push button to return. Therefore, the number of configured parts does not increase.

[Brief explanation of drawings]

FIG. 1 shows an embodiment of the operating device of the present invention, and shows a rear view of the nose section of an in-vehicle audio device shown from inside the device;

[Fig. 2] Fig. 2 is an exploded perspective view similarly shown from inside the device;

[Fig. 3] III-III sectional view of Fig. 1;

FIG. 4 is a sectional view showing a conventional operating device.

[Explanation of symbols]

11 Nose part 11a Operation board 11b hole 11e, 11f back panel 11h, 11m square tube 11o, 11k square hole 12 Push button 12c Latching protrusion 12d Pressing projection 12e Display section 13 Indicator 15 Metal plate 15f, 15g elastic pressing piece 15j, 15k joint piece 16, 18 Light guiding member 17 Lamp 20 Substrate 21 Switch 22 Light source 25 Main body chassis

Claims (1)

[Scope of utility model registration request] 1. A push button installed in a hole formed in an operation panel, a switch arranged behind the push button and operated by the push button, and a switch arranged inside the operation panel to guide light from a light source. In the operating device provided with a light guide member,
A metal plate having a larger area than the push button is installed between the inner surface of the operation plate and the light guide member, and the push button is biased in the return direction by an elastic pressing piece formed on a part of the metal plate. An operating device characterized in that the end of the light guide member projects forward from the hole or notch of the metal plate and faces the light illumination part.