JP2005324607A - Room light for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem of a device formed by attaching a push button to an operation lever of a conventional push switch wherein there is troublesome manual work of attaching the push button to a push switch, smallness of the push button requires looking for the push button not to adapt to an operation during driving, and appearance is bad. <P>SOLUTION: The room light for a vehicle comprises a first case 1 storing at least one push switch 3 and a light source 6 turned on or off by an operation of the push switch, a second case 8 that covers an opening of the first case, forms a reflecting section 8e for reflecting light from the light source, and integrally has an operation piece 8g attached elastically rockably at a position where it faces the operation lever 3a of the push switch, and a lens plate 10 fixed to the second case surface for covering at least the reflecting section of the second case. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vehicle interior lamp suitable for use as a map lamp attached to a vehicle interior, in particular, inside a roof between a driver seat and a passenger seat.

In order to turn on / off the vehicle interior lamp and map lamp of the vehicle, the operation switch of the push switch attached to the interior lamp is pushed. Conventionally, as disclosed in, for example, Japanese Patent Application Laid-Open No. 11-345537, a push button is attached to an operation rod of a push switch, and the push button is pushed with a fingertip to turn on / off the push switch. ON / OFF control was performed.
JP 11-345537 A

  By the way, in the case where the push button is attached to the operation button of the conventional push switch described above, there is a troublesome manual work of attaching the push button to the push switch, and since the push button is small, There is a problem that it is not suitable for an operation during driving because it is necessary to search for the push button, and the appearance is not good.

  The present invention is intended to solve the above-described problems, and an object of the present invention is to integrally form a flexible operation piece on a part of the case, and to operate the push switch by the operation piece. As a result, the assembly process can be reduced, and the operability can be improved by increasing the size of the operation piece. is there.

  The vehicle interior lamp according to the present invention achieves the above-described object, and the means of claim 1 includes a first light source that houses at least one push switch and a light source that is turned on / off by operation of the push switch. And a reflection portion that covers the opening of the first case and reflects light from the light source, and is elastically swingably mounted at a position facing the operation lever of the push switch. And a lens plate fixed to the surface of the second case that covers at least the reflecting portion of the second case.

  According to a second aspect of the present invention, in the first aspect, the operation piece is configured not to protrude from the surface of the lens plate even when the operation piece is pushed up by the spring force of the operation rod of the push switch.

  According to a third aspect of the present invention, in the first aspect, a pair of the push switches are attached to both ends in the longitudinal direction of the first case, and a pair of the light sources are also attached, and the push switch is operated. A pair of operation pieces are also attached to the second case or the lens plate.

  According to a fourth aspect of the present invention, in the first aspect, the light source is inclined and attached to the first case, and a reflection portion formed on the second case that reflects the light from the light source is also provided. The light source is formed to be inclined along the inclination direction of the light source and functions as a map lamp, and the means of claim 5 is the light source diode according to claim 1, wherein the light source is a high-intensity light emitting diode. It is characterized by that.

  According to a sixth aspect of the present invention, in the above-described second aspect, a ridge is formed around the operation piece, and the ridge is in contact with a rear surface edge of the opening formed in the lens. To do.

  In the present invention, as described above, the push switch is turned on / off by pressing the operation piece formed integrally with the second case so that the light source is turned on / off. This eliminates the need for troublesome work such as attaching a push button to the operation rod, reduces the number of parts, and reduces the cost, and provides an unprecedentedly designed vehicle interior light for vehicles. .

  In addition, a hook is formed around the operation piece, and the hook is brought into contact with the back surface edge of the opening formed in the lens, so that the operation piece is pushed up by the spring force of the operation hook of the push switch. Since the operation piece does not protrude from the lens plate, the operation piece can be prevented from protruding from the lens plate and damaged, and a ridge is formed around the operation piece. Since the surface of the operation piece is flush with the surface of the lens plate by making contact with the rear surface side edge of the formed opening, the appearance is good and the operation piece can be easily operated.

  Furthermore, by attaching two push switches to the first case and forming two operation pieces on the second case, it is possible to turn on and off the two light sources separately. A structure that emits light from the light source in an oblique direction can serve as a map lamp.

  Further, by using a high-intensity light-emitting diode as the above-described light source, the life as a light source is prolonged, and the battery can be prevented from running out due to power saving.

  According to the present invention, a push switch is turned on / off by pressing an operation piece formed integrally with a second case, whereby the light source is turned on / off.

Hereinafter, an embodiment of a vehicle interior lamp according to the present invention will be described with reference to the drawings.
Reference numeral 1 denotes a first case, and four claw pieces 1a are formed on the longitudinal wall. 6 is a printed circuit board shown in FIG. 6, push switches 3 and 3 are attached to both ends in the longitudinal direction, and the center of the connector box 4 and the console box for connecting to the vehicle battery is illuminated. A light emitting diode 5 which is a light source for atmosphere illumination is attached.

  Reference numeral 6 denotes a high-intensity light-emitting diode, which is a light source attached to the auxiliary board 2a in which a part of the printed board 2 between the push switch 3 and the connector box 4 is cut and raised to the push switch side. Reference numeral 7 denotes a box for positioning and fixing the light emitting diode 5 to the printed circuit board 2 and preventing light from leaking to the outside. Although not shown, the printed circuit board 2 has a circuit for lighting the adjacent high-intensity light-emitting diode 6 when the push switch 3 is operated, and a circuit for lighting the light-emitting diode 5 when the vehicle engine is driven. Is formed.

  Reference numeral 8 denotes a second case, and an engagement hole 8a for engaging the claw piece 1a in the first case described above is formed on the two walls in the longitudinal direction, and one of the walls is formed on one of the walls. A pair of protrusions 8b are formed to be engaged with an opening formed in a trim attached to the inner surface of the roof of the vehicle, and a wall facing the protrusion 8b is elastically formed in the opening of the trim. An attachment portion 8c for fixing the elastic member 9 made of a metal plate to be engaged is formed.

  In the second case 8 configured as described above, the two cases 1 and 8 are integrated by engaging the claw piece 1a of the first case 1 with the engagement hole 8a of the second case 8. When the integrated case is inserted into the trim opening, the projection 8b and the elastic member 9 enter the edge on the back side of the opening, and the projection 8b and the elastic member 9 trim the It is elastically fixed to the opening part.

  In addition, the second case 8 is formed with a support 8d for screwing the printed circuit board 2, and is attached to the printed circuit board 2 in a state where the printed circuit board 2 is fixed to the support 8d with the screw. A hole facing the high-intensity light emitting diode 6 is formed on the surface of the second case 8 corresponding to the high-intensity light-emitting diode 6, and a trumpet-shaped reflection that inclines along the inclination of the high-intensity light-emitting diode 6. A portion 8e is formed. In addition, silver plating is given to the reflective surface of this reflective part 8e.

Further, a long hole 8f is formed on the surface of the second case 8 at a position corresponding to the light emitting diode 5 attached to the printed circuit board 2 so that light from the light emitting diode 5 can be transmitted. Yes. Further, an operating piece 8g is formed at both ends of the surface so as to be swingable at one end via a connecting portion 8h corresponding to the operating rod 3a of the push switch 3. The operation piece 8g is integrally formed through the connecting portion 8h when the second case 8 is injection molded. A flange 8g ₁ is integrally formed on the periphery of the operation piece 8g.

  A lens plate 10 is formed of a transparent resin, and is fixed to the surface of the second case 8 with an adhesive in the embodiment. The fixing of the second case 8 and the lens plate 10 is not limited to an adhesive. For example, a claw piece is formed on the lens plate 10 and the second case 8 is engaged with the claw piece. A hole may be formed and fixed by engagement.

The lens plate 10 is formed with a lens 10a at a position corresponding to the reflecting portion in a state where the lens plate 10 is fixed to the second case 8, and a position corresponding to the light emitting diode 5. The transparent part 10b is formed in the. Further, at both ends of the lens plate 10, an opening 10c is formed at a position corresponding to the operation piece 8g. The opening 10c faces the operation piece 8g. The size of the opening 10c is the flange 8g of the operation piece 8g. ₁ is the size that can be contacted on the back.

  Next, a method for assembling the first and second cases 1, 8, the printed board 2, and the lens plate 10 will be described. First, the printed board 2 is fixed with screws by the support 8 d of the second case 8. To do. Next, the claw pieces 1 a of the first case 1 are engaged with the engagement holes 8 a of the second case 8 so that the first and second cases 2 and 8 are integrated. Then, the peripheral edge of the lens plate 10 is fixed to the edge of the surface of the second case 8 with an adhesive.

By assembling in this way, the tip of the operating rod 3a of the push switch 3 comes into contact with the back surface of the operating piece 8g formed on the second case 8, and the operating piece 8g is pushed up toward the lens plate 10 side. Since the flange 8g ₁ of the piece 8g contacts the back side of the opening 10c of the lens plate 10, the operation piece 8g is stopped at a position facing the opening 10c of the lens plate 10, and the operation piece 8g is pressed. In this case, since the lowering amount of the operating rod 3a of the push switch 3 is limited, the pressing amount of the operating piece 8b is small, and therefore the connecting portion 8h supporting the operating piece 8g may be broken. Absent.

Incidentally, the embodiments described above, by the flange portion 8g ₁ in operation piece 8g is brought into contact with the rear surface of the opening portion 10c of the lens plate 10, when the operation piece 8g is does not project from the surface of the lens plate 10 for a description However, even if the outer shape of the operation piece 8 g is formed larger than the opening 10 c of the lens plate 10, the operation piece 8 g does not protrude from the surface of the lens plate 10. In this case, the operation piece 8g is positioned on the back surface of the lens plate 10.

  In the vehicle interior lamp of the present invention configured as described above, the power is turned on in a state where the vehicle interior light is attached to the vehicle, for example, a state where the vehicle interior light is attached to the roof portion between the driver seat and the passenger seat (the key is placed in the ACC position or When the engine is driven), the light emitting diode 5 is turned on, so that light from the light emitting diode 5 passes through the long hole 8f of the second case 8 from the transparent portion 10b of the lens plate 10 to the driver seat and the passenger seat. Illuminate the console part.

  When one operation piece 8g is pressed against the spring force of the built-in spring of the operating rod 3a of the push switch 3, the push switch 3 is turned on and the high-intensity light emitting diode 6 is turned on. The Light from the high-intensity light-emitting diode 6 is reflected obliquely by the reflecting portion 8e and illuminates the driver or assistant through the lens 10a of the lens plate 10, which is suitable for viewing a book such as a map. It becomes a state.

Release the said operation piece 8g, the operation piece 8g by the spring force of the spring, but is returned to the original position, wherein the collar portion 8g ₁ of the operation piece 8g is the rear surface of the opening portion 10c of the lens plate 10 It does not come into contact with and protrude from the opening 8c. Further, when the other operation piece 8g is pressed, the other high-intensity light emitting diode 6 can be turned on by the same operation as described above.

  In the embodiment described above, the use method as a map lamp has been described, but it can also be used as a normal room light. In this case, it is desirable that the high-intensity light emitting diode 6 is attached to the printed board 2 in the vertical direction, and the reflecting portion 8e of the second case 8 is also directed in the vertical direction. Moreover, it is good also as a small light bulb (bulb bulb | ball) instead of the light emitting diodes 5 and 6. FIG.

  Furthermore, although the vehicle interior lamp of the present invention has been described as having two high-intensity light-emitting diodes 6, it may be one high-intensity light-emitting diode. In this case, as a matter of course, the push switch 3, the reflection part 8e, and the operation piece 8g may be one.

1 is a perspective view of a vehicle interior lamp according to the present invention. It is a right view same as the above. It is a side view of FIG. It is a rear view of FIG. It is the sectional view on the AA line of FIG. It is the disassembled perspective view which looked at FIG. 1 from the top. It is the disassembled perspective view which looked at FIG. 1 from the bottom.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st case 2 Printed circuit board 3 Push switch 3a Operation rod 5 Light emitting diode 6 High-intensity light emitting diode 8 Second case 8e Reflection part 8g Operation piece 8g ₁ collar part 8h Connection part 10 Lens plate 19a Lens 19b Transparent part 10c Opening Part

Claims (6)

A first case containing at least one push switch and a light source that is turned on / off by operation of the push switch;
An operation piece that covers the opening of the first case, forms a reflection part that reflects light from the light source, and is elastically swingable at a position facing the operation rod of the push switch. A second case in which is integrally formed;
A lens plate fixed to the surface of the second case that covers at least the reflecting portion of the second case;
The interior lamp for vehicles characterized by comprising. The vehicular interior light according to claim 1, wherein the operation piece is configured not to protrude from a surface of the lens plate even when pushed up by a spring force of an operation rod of the push switch. A pair of the push switches are attached to both ends in the longitudinal direction of the first case, a pair of the light sources are also attached, and an operation piece for operating the push switch is also paired with the second case or the lens plate. The vehicle interior lamp according to claim 1, wherein the vehicle interior lamp is attached. The light source is attached to the first case in an inclined manner, and the reflection part formed in the second case for reflecting the light from the light source is also formed to be inclined along the inclination direction of the light source. The vehicle interior light according to claim 1, which functions as a map lamp. 2. The vehicle interior lamp according to claim 1, wherein the light source is a high-intensity light emitting diode. 3. The vehicular interior light according to claim 2, wherein a flange is formed around the operation piece, and the flange is in contact with a rear surface edge of an opening formed in the lens.

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