JP5303190B2 - Car interior lighting device and method for manufacturing the same - Google Patents

Description

  The present invention relates to a vehicle-mounted indoor lighting device that is assembled on an indoor ceiling or the like and illuminates a room, and a method for manufacturing the same.

  As this type of conventional in-vehicle indoor lighting device, there is one disclosed in Patent Document 1. As shown in FIG. 15, the in-vehicle indoor lighting device 100 is arranged on the indoor side of the indoor ceiling board 101 and on the outdoor side of the ceiling board 101 (outside of the design part 110). And a functional unit 120. The design unit 110 includes a housing 111, a translucent cover 112 that covers the translucent opening of the housing 111, and a switch operation unit 113 provided in the housing 111. Engaging protrusions 114 are provided at a plurality of locations of the housing 111. The functional unit 120 includes a sandwiching housing 121 having an engaged portion 121 a and a lamp unit 122 assembled to the sandwiching housing 121. The engaged portion 121a of the functional portion 120 and the engaging protrusion 114 of the design portion 110 are engaged through the mounting hole 101a of the ceiling plate 101, and the design portion 110 and the functional portion 120 are sandwiched by the engagement. Is assembled. The lamp unit 122 is provided with a switch unit 124 together with the lamp 123.

In the above configuration, the design part 110 is disposed in the mounting hole 101a of the ceiling board 101 from the indoor side, the functional part 120 is disposed in the mounting hole 101a of the ceiling board 101 from the outdoor side, and the engagement protrusion 114 of the design part 110 functions. Engage with the engaged portion 121 a of the portion 120. From this, the design part 110 and the function part 120 are assembled | attached in the state which clamped the ceiling board 101. FIG. When the user operates the switch operation unit 113, the switching position of the switch unit 124 is operated via the switch operation unit 113. When the switch unit 124 is operated to the on position, the lamp 123 is turned on, and the light emitted from the lamp 123 is transmitted through the translucent cover 112 to illuminate the room. When the switch unit 124 is operated to the off position, the lamp 123 is turned off.
JP 2007-203911 A

  However, in the conventional vehicle interior lighting device 100, the switch operation unit 113 of the design unit 110 is formed separately from the housing 111. For this reason, the number of parts increases, and the assembly work is troublesome because of the separate assembly.

  Therefore, the present invention has been made to solve the above-described problems, and provides an in-vehicle indoor lighting device that can reduce the number of components and that can be easily assembled in a switch operation unit, and a method for manufacturing the same. With the goal.

The invention of claim 1 includes a design part assembled on the indoor side of the vehicle body side member and a functional part arranged on the outdoor side of the design part, and the functional part switches between lighting and extinguishing of the lamp and the lamp. The design part has a housing, a switch operating part that can be moved to the housing and can operate a switching position of the switch part, and a light transmitting part that is fixed to the housing and transmits the irradiation light of the lamp In a vehicle interior lighting device provided with a cover, the switch operation unit is integrally formed with the housing through at least one connecting portion, and can be moved to the housing by being disconnected from the housing by cutting the connecting portion. is supported on, the switch operation unit is provided for preventing engagement portion dropping, the translucent light cover the latched part is provided, disconnect switch operation unit from the housing Falling-off preventing engagement portion in a state that a vehicle interior illumination apparatus being characterized in that hooked to the holding portion of the permeable light cover.

A second aspect of the present invention is the in-vehicle indoor lighting device according to the first aspect, wherein the drop-off prevention latching portion and the latching portion guide the movement of the switch operation portion. It is an interior lighting device.

The invention according to claim 3 is the in-vehicle indoor lighting device according to claim 1 or 2 , wherein the translucent cover is provided with a cutting portion for cutting the connecting portion in the process of assembling to the housing. This is an in-vehicle indoor lighting device.

According to a fourth aspect of the present invention, there is provided the in-vehicle indoor lighting device according to the third aspect , wherein the housing is provided with a switch operation opening, and the switch operation opening is provided in the switch operation opening via the connecting portion. The vehicle interior lighting device is characterized in that the cut portion of the translucent cover is inserted between the inner surface of the switch operation opening of the housing and the outer surface of the switch operation portion.

The invention of claim 5 includes a design part assembled on the indoor side of the vehicle body side member and a functional part arranged on the outdoor side of the design part, and the functional part switches between lighting and extinguishing of the lamp and the lamp. The design part has a housing, a switch operating part that can be moved to the housing and can operate a switching position of the switch part, and a light transmitting part that is fixed to the housing and transmits the irradiation light of the lamp A method of manufacturing a vehicle interior lighting device provided with a cover, wherein the switch operation part is integrally formed with the housing through at least one connecting part, and the switch operating part is separated from the housing by cutting the connecting part. which is movable to switch operation unit to the housing, the switch operation unit is provided for preventing engagement portion dropping, the translucent light cover cut portion together is provided with the engagement portion Provided, falling-off preventing engagement portion during assembly of the magnetic light cover of the housing is hooked to the holding portion, and characterized in that the portion connecting the cutting portion is cut off from being disconnected housing It is a manufacturing method of the vehicle interior lighting device.

According to the first aspect of the present invention, since the switch operating portion is integrally formed with the housing, the number of parts is reduced, the switch operating portion and the housing are connected via the connecting portion, and the connecting portion is cut off. Since it can be assembled, assembly is easy. In addition, since the switch operating portion and the housing can be molded with the same mold, there are advantages such as little displacement and cost reduction. Even after the switch operating part is separated from the housing, the switch operating part does not fall off the translucent cover, and thus the housing, and is easy to handle.

According to the invention of claim 2, in addition to the effect of the invention of claim 1 , the operation of the switch operation unit can be performed reliably and smoothly.

According to the invention of claim 3, in addition to the effect of the invention of claim 1 or 2 , since the switch operation part is separated from the housing when the translucent cover is assembled to the housing, the switch operation part is separated. Is unnecessary.

According to the invention of claim 4, in addition to the effect of the invention of claim 3 , since the cut portion of the translucent cover is disposed at a position close to the outer surface of the switch operation portion, the switch operation portion separated from the housing is provided. Backlash is prevented as much as possible. Further, since the gap between the switch operating portion and the housing can be widened, the durability of the mold is improved.

According to the invention of claim 5 , since the switch operation part is integrally molded with the housing, the number of parts is reduced, and the switch operation part and the housing are connected via the connection part, and the connection part is cut off. Since it can be assembled, assembly is easy. In addition, since the switch operating portion and the housing can be molded with the same mold, there are advantages such as little displacement and cost reduction. Even after the switch operating portion is separated from the housing, the switch operating portion is not detached from the translucent cover, and thus the housing, and is easy to handle.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

( Reference example )
1 to 7 show a reference example of the present invention, FIG. 1 (a) is a perspective view of a design portion viewed from the vehicle interior side, and FIG. 1 (b) is a design portion viewed from the vehicle interior side. FIG. 2A is a perspective view of a main part of the design portion viewed from the outside of the vehicle interior, and FIG. 2B is a design portion viewed from the outside of the vehicle interior. FIG. 3 is a plan view of the design portion before the switch operating portion is separated from the housing, FIG. 4 is a cross-sectional view taken along the line AA in FIG. 3, and FIG. 5 is an enlarged view of the portion C in FIG. 6 is a cross-sectional view taken along line BB in FIG. 3, and FIG. 7 is a cross-sectional view showing a state in which the switch operating portion is separated from the housing.

  The in-vehicle interior lighting device includes a design portion 1A disposed on the indoor side of the ceiling board, which is a vehicle body side member of the vehicle interior, and a functional portion disposed on the outdoor side of the ceiling board (outside of the design portion 1A) It is configured. The functional unit includes a housing, a lamp assembled to the housing, and a switch unit SW (shown in FIG. 7) that is also assembled to the housing and switches the lamp on and off. The design portion 1A and the functional portion are coupled from the indoor side and the outdoor side through the mounting holes of the ceiling plate, and are assembled with the ceiling plate sandwiched between them, or the functional portion is provided in the design portion 1A assembled to the ceiling plate. It is assembled by being directly engaged. Next, the configuration of the design portion 1A will be described in detail.

  As shown in FIGS. 1 to 7, the design portion 1 </ b> A includes a synthetic resin housing 2, and a light-transmitting opening 3 and a switch operation opening 4 are formed in the housing 2. The translucent opening 3 is set at a position corresponding to the position of a lamp (not shown) of the functional unit. A translucent cover 5 is fixed to the indoor side of the translucent opening 3, and the translucent opening 3 is closed by the translucent cover 5. The translucent cover 5 is a transparent or translucent light transmissive material, and is formed in a lens shape.

  The housing 2 is provided with a frame-shaped guide wall 6 so as to surround the switch operation opening 4. The guide wall 6 protrudes to the outdoor side in a vehicle-mounted state. A switch operating portion 10 made of synthetic resin is disposed in the switch operating opening 4 partitioned by the guide wall 6. The switch operation unit 10 is supported so as to be movable in the protruding / retracting direction from the surface of the housing 2. The switch operation unit 10 is set to a position corresponding to the switch unit SW (shown in FIG. 7) of the function unit, and can operate the switching position of the switch unit SW. The switch operating unit 10 is integrally formed with the housing 2 at a plurality of positions via the connecting portions 11 (FIG. 1B, FIG. 2B, FIGS. 3 to 6), and the connecting portion 11 is cut. And formed by being separated from the housing 2 (FIGS. 1A, 2A, and 7). That is, the switch operation unit 10 is integrally formed with the housing 2 by the same mold, and is formed by separation after being integrally formed. The switch operating unit 10 is integrally formed with the housing 2 via the connecting portion 11 at the substantially assembled position.

  On the side surfaces of the switch operation unit 10 that face each other, a latching claw 12 that is a latching portion for preventing the dropout is provided. Before the switch operating unit 10 is cut off, the guide wall 6 of the housing 2 corresponding to the pair of latching claws 12 is provided with a mold slide window 6a. The switch operating portion 10 with the latching claws 12 is integrally formed using the pair of mold slide windows 6a. At the projecting position on the outdoor side of each mold sliding window 6a of the housing 2, a latching frame 13 which is a latched portion is provided. Slide guide holes 13a are formed in the respective holding frames 13 respectively. The switch operating portion 10 separated from the housing 2 is supported so that it does not fall off from the housing 2 when the latching claw 12 is inserted into the slide guide hole 13 a of the latching frame 13. Further, the switch operating portion 10 moves while the latching claw 12 is regulated by the inner side surface of the latching frame 13 within the range of the slide guide hole 13a. That is, the movement of the switch operating unit 10 is guided by the latching claws 12 and the latching frame 13.

  In addition, the surface exposed to the indoor side in the vehicle mounted state of the housing 2 and the switch operation unit 10 is subjected to a textured process.

  Next, the process of assembling the switch operation unit 10 to the housing 2 of the design unit 1A will be described. The switch operation unit 10 is pressed against the housing 2 formed integrally with the switch operation unit 10 via the connecting unit 11 in the direction of the arrow in FIG. 5 and FIG. Then, a shearing force acts on each connection part 11 by the pressing force to the switch operation part 10 (shown in FIG. 5), and each connection part 11 is cut | disconnected. Thereby, each connection part 11 is cut | disconnected and the switch operation part 10 is cut away from the housing 2. When the switch operating unit 10 is disconnected, the switch operating unit 10 moves in the pressing direction as shown in FIG. Get in. This completes the assembly.

  As described above, the switch operation unit 10 is integrally formed with the housing 2 via the connecting portion 11 and is supported by the housing 2 so as to be movable by being disconnected from the housing 2 by cutting the connecting portion 11. Yes. Therefore, since the switch operation unit 10 is integrally formed with the housing 2, the number of parts is reduced, and the switch operation unit 10 and the housing 2 are connected via the connecting portion 11 and assembled when the connecting portion 11 is cut. Because it can, it is easy to assemble. In addition, since the switch operation unit 10 and the housing 2 can be molded with the same mold, there are advantages such as little positional deviation and low cost.

In this reference example , the switch operating part 10 is provided with a latching claw 12, the housing 2 is provided with a latching frame 13, and the latching claw 12 is attached to the latching frame after the switch operating part 10 is detached. 13, the switch operation unit 10 is not detached from the housing 2 even after the switch operation unit 10 is separated from the housing 2, and is easy to handle.

In this reference example , the latching claw 12 and the latching frame 13 guide the movement of the switch operating unit 10 by the latching claw 12 moving through the slide guide hole 13a of the latching frame 13. The switch operation unit 10 can be operated reliably and smoothly.

( One embodiment)
8 to 14 show an embodiment of the present invention. FIG. 8 is a design portion viewed from the vehicle interior side, and is an exploded perspective view before the switch operation portion is separated from the housing. FIG. 9 is a vehicle exterior view. FIG. 10 is an exploded perspective view of the design portion before the switch operation portion is separated from the housing, FIG. 10 is a plan view of the design portion before the switch operation portion is separated from the housing, and FIG. 11 is a sectional view taken along the line DD in FIG. 11 is a cross-sectional view of the switch operating unit separated from the housing from the state of FIG. 11, FIG. 13 is a cross-sectional view taken along line EE of FIG. 10, and FIG. 14 is a state of the switch operating unit separated from the housing from the state of FIG. It is sectional drawing.

The one embodiment, compared to the reference example, since only the configuration of the design part 1B is different, the description of the described only the configuration of the design part 1B, the other configuration is omitted.

  As shown in FIGS. 8 to 14, the design portion 1 </ b> B includes a synthetic resin housing 2, and a light-transmitting opening 3 and a switch operation opening 4 are formed in the housing 2. The translucent opening 3 is set at a position corresponding to the position of a lamp (not shown) of the functional unit, and is closed by the translucent cover 20. The detailed configuration of the translucent cover 20 will be described below.

  The housing 2 is provided with a frame-shaped guide wall 6 so as to surround the switch operation opening 4. The guide wall 6 protrudes to the outdoor side in a vehicle-mounted state. A switch operating section 10 made of synthetic resin is movably disposed in the switch operating opening 4 partitioned by the guide wall 6. The switch operation unit 10 is set to a position corresponding to the switch unit SW (shown in FIG. 14) of the function unit, and can operate the switching position of the switch unit SW. The switch operation unit 10 is formed by being integrally formed with the housing 2 via a plurality of connecting portions 11 (FIGS. 8 to 11, 13) and being disconnected from the housing 2 by cutting the connecting portion 11. (FIGS. 12 and 14). That is, the switch operation unit 10 is integrally formed with the housing 2 by the same mold, and is formed by separation after being integrally formed. The switch operating unit 10 is integrally formed with the housing 2 via the connecting portion 11 at the substantially assembled position.

The clearance between the inner surface of the switch operation opening 4 of the housing 2 and the outer surface of the switch operation unit 10 is larger than that of the reference example so that a guide wall 22 of the translucent cover 20 described below can enter. It is set large. Thereby, the length dimension of the connection part 11 is also set long.

  As shown in FIG. 13 and FIG. 14, hooking claws 12, which are drop-off prevention hooks, are provided on the side surfaces of the switch operation part 10 that face each other.

The translucent cover 20 is a transparent or translucent light transmissive material, and is set to a size that covers not only the translucent opening 3 but also the entire area on the indoor side of the housing 2. The translucent cover 20 is provided with locking claws 20 a at a plurality of locations, and the housing 2 is provided with locked portions 2 a at a plurality of locations, whereby the translucent cover 20 is fixed to the housing 2. The portion of the translucent cover 20 corresponding to the translucent opening 3 of the housing 2 is formed in a lens shape. An operation opening 21 is opened at a location of the translucent cover 20 corresponding to the switch operation opening 4 of the housing 2, and a frame-shaped guide wall 22 is formed so as to surround the operation opening 21. Is provided. The guide wall 22 protrudes outside the vehicle in a vehicle-mounted state, and a cutting portion 23 is provided at the tip of the guide wall 22. The cutting portion 23 may be provided over the entire circumference of the guide wall 22, but is provided at a location corresponding to at least the plurality of connecting portions 11. The side portions of the guide wall 22 facing each other are respectively configured as a hooking frame 13 that is a hooked portion . A slide guide hole 13a is formed in each latching frame 13 respectively. The switch operating unit 10 separated from the housing 2 is supported so that it does not fall off the housing 2 via the translucent cover 20 by inserting the latching claws 12 into the slide guide holes 13a of the latching frame 13. Has been. Further, the switch operating portion 10 moves while the latching claw 12 is regulated by the inner side surface of the latching frame 13 within the range of the slide guide hole 13a. That is, the movement of the switch operating unit 10 is guided by the latching claws 12 and the latching frame 13.

Next, a process of assembling the switch operation unit 10 to the housing 2 of the design unit 1B will be described. A translucent cover 20 is assembled in the direction of the arrow in FIGS. 11 and 13 (outside of the vehicle in a vehicle-mounted state) with respect to the housing 2 formed integrally with the switch operating unit 10 via the connecting unit 11. Then, the guide wall 22 of the translucent cover 20 is inserted between the inner surface of the switch operation opening 4 of the housing 2 and the outer surface of the switch operation unit 10, and the pair of hooking claws 12 are paired with the translucent cover 20. Into the slide guide hole 13a. Thereafter, when the assembly of the translucent cover 20 to the housing 2 is further advanced, the cutting portion 23 of the guide wall 22 hits the connecting portion 11, and the shearing force of the cutting portion 23 acts on the connecting portion 11 and is cut. By cutting each connecting portion 11, the switch operating portion 10 is separated from the housing 2 as shown in FIGS. 12 and 14. Also, the decoupling of the switch operation unit 10, the hooking claw 20a of the translucent light cover 20 is locked by Toru light cover 20 to the holding portion 2a of the housing 2 is assembled to the housing 2. This completes the assembly.

  As described above, the switch operation unit 10 is integrally formed with the housing 2 via the connecting portion 11, and is separated from the housing 2 by cutting the connecting portion 11. 2 is movably supported. Therefore, since the switch operation unit 10 is integrally formed with the housing 2, the number of parts is reduced, and the switch operation unit 10 and the housing 2 are connected via the connecting portion 11 and assembled when the connecting portion 11 is cut. Because it can, it is easy to assemble. In addition, since the switch operation unit 10 and the housing 2 can be molded with the same mold, there are advantages such as little positional deviation and low cost.

In this embodiment, pawl 12 is provided in the switch operating unit 10, the permeable light cover 20 hooking frame 13 is provided, pawl 12 in a disconnecting state of the switch operation unit 10 is Since it is configured to be hooked on the hooking frame 13, the switch operating portion 10 is not dropped from the translucent cover 20 and thus the housing 2 even after the switch operating portion 10 is separated from the housing 2. Is easy.

In this embodiment, pawl 12 and the hooking frame 13, by the pawl 12 moves the slide guide hole 13a of the hooking frame 13, for guiding the movement of the switch operation unit 10 Therefore, the operation of the switch operation unit 10 can be performed reliably and smoothly.

In this embodiment, the permeable light cover 20, the cutting unit 23 for cutting the connecting portion 11 in the course of assembly of the housing 2 is provided. Therefore, when the light transmitting cover 20 is assembled to the housing 2, the switch operation unit 10 is separated from the housing 2, so that the separation operation of the switch operation unit 10 is unnecessary.

In this embodiment, the opening 4 is provided for switching the operation to the housing 2, and the switch operation unit 10 is provided via the connecting portion 11 to the switch operation opening portion 4, the cutting of the permeable light cover 20 The portion 23 is inserted between the inner surface of the switch operation opening 4 of the housing 2 and the outer surface of the switch operation portion 10. Therefore, since the cutting part 23 of the translucent cover 20 is disposed at a position close to the outer surface of the switch operation part 10, the switch operation part 10 separated from the housing 2 is prevented from being loosened as much as possible. Further, since the gap between the switch operation unit 10 and the housing 2 can be widened, the durability of the mold is improved.

In this embodiment, magnetic light cover 20 for covering the entire area of the passenger compartment side of the housing 2, there is no need to apply the embossing to the housing 2.

(Other)
Incidentally, in the embodiment, although the connecting portion 11 for connecting the switch operation unit 10 before disconnecting the housing 2 are provided at a plurality of positions may be provided in at least one place.

Incidentally, in the embodiment, the case of attaching the vehicle interior illumination apparatus on the ceiling of the passenger compartment, the mounting location is not limited to the ceiling of the cabin.

The reference example of this invention is shown, (a) is a perspective view of the design part seen from the vehicle interior side, (b) is a design part seen from the vehicle interior side, and is a perspective view before separating the switch operation part from the housing. is there. The reference example of this invention is shown, (a) is the principal part perspective view of the design part seen from the vehicle interior side, (b) is the design part seen from the vehicle interior side, and is the important point before separating a switch operation part from a housing. FIG. It is a top view of the design part before showing the reference example of this invention and separating a switch operation part from a housing. FIG. 4 is a cross-sectional view taken along the line AA of FIG. 3, showing a reference example of the present invention. FIG. 5 is a C portion enlarged view of FIG. 4 showing a reference example of the present invention. FIG. 4 is a cross-sectional view taken along line BB in FIG. 3, showing a reference example of the present invention. It is sectional drawing of the state which showed the reference example of this invention and cut | disconnected the switch operation part from the housing. Shows an embodiment of the present invention, in the design part as viewed from the vehicle interior side, is an exploded perspective view before disconnecting the switch operation unit from the housing. It shows an embodiment of the present invention, in the design part as viewed from the vehicle exterior, an exploded perspective view before disconnecting the switch operation unit from the housing. It shows an embodiment of the present invention, is a plan view of the design portion before disconnecting the switch operation unit from the housing. FIG. 11 is a cross-sectional view taken along the line DD of FIG. 10, showing an embodiment of the present invention. Shows an embodiment of the present invention, is a cross-sectional view of a state in which disconnecting the switch operating unit from the housing from the state of FIG. 11. FIG. 11 shows an embodiment of the present invention and is a cross-sectional view taken along the line EE of FIG. 10. Shows an embodiment of the present invention, is a cross-sectional view of a state in which disconnecting the switch operating unit from the housing from the state of FIG. 13. It is a disassembled perspective view of the vehicle-mounted indoor illuminating device of a prior art example.

DESCRIPTION OF SYMBOLS 1A, 1B Design part 2 Housing 4 Opening part for switch operation 5,20 Translucent cover 10 Switch operation part 11 Connecting part 12 Stopping claw (Hanging part for drop prevention)
13 Frame for hooking (hooked part)
23 Cutting part SW Switch part

Claims (5)

A design part assembled on the indoor side of the vehicle body side member, and a functional part arranged on the outdoor side of the design part,
The function unit is provided with a lamp and a switch unit that can switch on / off the lamp,
The design portion includes a housing, a switch operation portion that can be moved to the housing and can operate a switching position of the switch portion, and a translucent cover that is fixed to the housing and transmits the irradiation light of the lamp. In the vehicle interior lighting device provided,
The switch operation part is integrally formed with the housing through at least one connecting part, and is supported by the housing so as to be movable by being cut off from the housing by cutting the connecting part .
The switch operation part is provided with a drop-off prevention latch part, the translucent cover is provided with a latch part, and the switch operation part is separated from the housing with the drop-off prevention latch part. The vehicle interior lighting device, wherein the portion is hooked on the hooked portion of the light transmitting cover . The vehicle interior lighting device according to claim 1,
The in-vehicle indoor lighting device, wherein the drop-off preventing latching portion and the latched portion guide movement of the switch operating portion. The in-vehicle indoor lighting device according to claim 1 or 2 ,
The in-vehicle indoor lighting device, wherein the translucent cover is provided with a cutting portion that cuts the connecting portion in the process of assembling to the housing. The vehicle interior lighting device according to claim 3 ,
A switch operation opening is provided in the housing, the switch operation part is provided in the switch operation opening via the connecting portion, and the cutting portion of the translucent cover is the switch of the housing. An in-vehicle indoor lighting device, which is inserted between an inner surface of an operation opening and an outer surface of the switch operation unit. A design part assembled on the indoor side of the vehicle body side member, and a functional part arranged on the outdoor side of the design part,
The function unit is provided with a lamp and a switch unit that can switch on / off the lamp,
The design portion includes a housing, a switch operation portion that can be moved to the housing and can operate a switching position of the switch portion, and a translucent cover that is fixed to the housing and transmits the irradiation light of the lamp. A method for manufacturing an on-vehicle indoor lighting device provided,
The switch operation part is integrally formed with the housing via at least one connecting part,
The switch operation part is separated from the housing by cutting the connecting part, and the switch operation part can be moved to the housing .
The switch operating part is provided with a drop-off prevention latch part, the translucent cover is provided with a latch part and a cutting part, and the translucent cover is assembled to the housing. The in-vehicle indoor lighting device according to claim 1 , wherein the drop-off preventing latching portion is latched on the latched portion in the process, and the connecting portion is cut by the cutting portion and separated from the housing. Method.

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