JP4407545B2 - Vehicle interior lighting device - Google Patents

Description

  The present invention relates to a design component mounting structure.

An illumination device for a vehicle is disassembled into a design part exposed indoors and a pedestal disposed on the back side of a ceiling material as a mounting surface, and a pair of insertion legs projecting from the design part are received by engagement of the pedestal. Snap to the part. Thereby, a ceiling material is pinched | interposed with a design component and a base, and a design component will be fixed to a ceiling material.
Examples of conventional room lights are shown in FIGS.
A plate-shaped design component 1 formed of synthetic resin includes a pair of insertion legs 3 at both ends thereof. An engagement claw 4 is formed on the insertion leg 3. The pedestal 5 is provided with a hole 6 at a position corresponding to the insertion leg 3. When the insertion leg 3 is inserted into the hole 6, the insertion leg 3 is deformed, and the engaging claw 4 is snapped to the peripheral wall of the hole 6. The design component 1 and the base 5 are fixed by engaging with each other. The ceiling material 8 is sandwiched between the design component 1 and the pedestal 5, and the design component 1 is attached to the ceiling material 8 (see FIG. 2A).
Such a design component mounting structure is disclosed in Patent Document 1, for example.

JP 2004-34930 A

However, when a tensile force in the direction of arrow B1 in FIG. 2B is applied to the design part 1 made of a synthetic resin plate-like member for some reason, the design part 1 is deformed and the insertion leg 3 falls down inside. There is a possibility that the engagement between the peripheral wall of the hole 6 and the engaging claw 4 is disengaged. If the engaging claw 4 is detached from the peripheral wall of the hole 6, the design component 1 is detached from the mounting surface, which is not preferable.
In order to prevent the insertion leg 3 from collapsing, it is conceivable that the design component 1 is difficult to deform with respect to the pulling force in the direction of the arrow b1, which limits the design freedom of the design component 1. Become.

The present invention has been made to solve the above problems. That is,
A pedestal is arranged on the back side of the mounting surface, and the design component is moved to the mounting surface by engaging a pair of insertion legs protruding from the flexible portion of the design component with the engagement receiving portion of the pedestal. A design structure for fixing a design part to be fixed,
A hole is formed in the insertion leg of the design part,
The engagement receiving portion of the pedestal is disposed inside the insertion leg portion of the design part, and has an engaging claw that engages with the peripheral wall of the hole.
A design component mounting structure characterized by that.

In the design part mounting structure configured as described above, even if a tensile force is applied to the design part and this deforms and the pair of insertion legs collapses inward, the engagement receiving part of the base is a pair of insertion legs. Therefore, the engagement state between the engagement claw of the engagement receiving portion and the hole of the insertion leg portion or the peripheral wall of the recess is strengthened. Therefore, the engagement of the design part is stabilized.
By adopting a configuration in which an engagement claw is provided on the engagement receiving portion side of the pedestal and this is engaged with the hole of the insertion leg portion or the peripheral wall of the recess, the insertion leg portion can be made thin. Thereby, the width | variety of the opening part which inserts an insertion leg part in the base side can be narrowed. When the opening is narrowed, the collapse of the insertion leg is effectively restricted at the periphery of the opening.

Hereinafter, each of the above elements will be described with reference to FIGS.
(Mounting surface)
The mounting surface 18 can be arbitrarily selected in addition to ceiling materials and other interior materials for vehicles.
(Design parts)
In the embodiment, a lens unit that transmits LED light is taken as an example of a design part as the design part 11, but is not particularly limited as long as a person can visually recognize it from the outside.
The design component 11 includes a flexible portion. Due to the deformation of the flexible portion, the insertion leg portion 13 falls inward. This flexible part constitutes part or all of the design part.
A pair of insertion legs 13 protrudes from the flexible portion. A hole 14 is formed in the insertion leg 13.
(pedestal)
The pedestal 15 has an engagement receiving portion 16, and a pair of engagement claws 17 are formed on the engagement receiving portion 16 so as to correspond to the holes 14 of the insertion leg portion 13. In addition, the pedestal 15 is formed with an opening 19 through which the design component insertion leg 13 is passed.

The design component 11 and the pedestal 15 are formed by molding a synthetic resin.
The insertion leg 13 inserted through the opening 19 of the base 15 is deformed so as to ride on the engagement claw 17, and the engagement claw 17 engages with the upper peripheral wall of the hole 14.
As shown in FIG. 4B, when an external force is applied to the design component 11 in the direction indicated by the arrow B1, the flexible design component 11 is deformed and the insertion legs 13 are collapsed inward from each other. When the insertion customer 13 falls in this direction, the engagement between the upper peripheral wall of the hole 14 and the engagement claw 17 on the pedestal 15 side is strengthened, so that the design part 11 does not fall off the pedestal 15.

Examples of the present invention will be described below.
FIG. 5 shows an exploded view of the vehicular lighting device 20 of the embodiment. Reference numeral 21 denotes an LED lamp module, reference numeral 30 denotes a pedestal, reference numeral 50 denotes a ceiling material, and reference numeral 40 denotes a design part.
6 is a bottom view of the lighting device 20, FIG. 7 is a longitudinal sectional view, and FIG. 8 is a sectional view taken along line AA in FIG.

  The lamp module 21 has a substantially cylindrical casing 22 and includes an LED lamp therein. Light from the LED lamp is emitted downward from the light emitting portion 23 in the figure. A lens can be disposed in the light emitting portion 23. A claw 25 is formed on the housing 22.

The pedestal 30 includes a retainer portion 31 of the lamp module 21, an engagement receiving portion 35, and a pressing surface 39.
The retainer 31 is provided with a recess 32 and an engagement protrusion 33 corresponding to the shape of the housing 22 of the lamp module 21. When the lamp module 21 is fitted into the recess 32, the claw 25 is engaged with the lower edge of the engagement protrusion 33, and the lamp module 21 is fixed to the retainer portion 31.
A portion continuous below the retainer portion 31 is an engagement receiving portion 35. As shown in FIG. 8, the engagement receiving portion 35 is formed with a pair of engagement claws 36. An opening 37 is formed below the engaging claw 36. A bulging portion (deformation restraining portion 38) is formed on the outer edge of the opening 37 so that the portion of the opening 37 facing the engaging claw 36 has a narrow width.
The holding surface 39 is inclined along the ceiling material 50.

Since the design component 40 is a plate-like member as shown in FIG. 8, it has flexibility as a whole. A pair of insertion legs 41 are erected integrally along the long side of the design member 40. A hole 42 is formed in the insertion leg 41. A central portion of the design component 40 is a lens portion 45.
The interval between the pair of insertion leg portions 41 is substantially equal to the width of the engagement receiving portion 35 of the base 30. Thereby, an engagement receiving part will be arrange | positioned inside an insertion leg part.

The casing 22, the pedestal 30, and the design part 40 of the lamp module 21 are all synthetic resin injection molded products.
When the insertion leg 41 of the design part 40 is inserted into the opening 37 of the pedestal 30 and further pushed, the insertion leg 41 is deformed along the inclined surface of the engagement claw 36 and the upper edge of the hole 42 and the engagement claw 36 is engaged. By this engagement, the periphery of the opening 51 of the ceiling member 50 is sandwiched between the pressing surface 39 of the base and the periphery of the design component 40. Thereby, the illuminating device 20 will be fixed to the ceiling material 50.

When the design component 40 is pulled downward from the attached state shown in FIG. 8, the design component 40 made of a resin plate is deformed, and the insertion leg portion 41 tends to fall inward (in a direction close to each other). When the insertion leg portion 41 is deformed in this way, the engagement claw 36 and the upper side wall portion of the hole 42 come into stronger contact with each other, and the engagement force between the two increases. In this embodiment, the movement of the engagement leg 41 in the direction away from the engagement claw 36 is restricted by the deformation restricting portion 38. Therefore, the engagement between the engagement claw 36 and the upper wall portion of the hole 42 is reliably maintained.
If the upper side wall portion has a sufficient area for engagement with the engagement claw 36, the hole 42 does not need to penetrate the insertion leg portion 41.

  The present invention is not limited to the description of the embodiments and examples of the invention described above. Various modifications are also included in the present invention as long as those skilled in the art can easily conceive without departing from the scope of the claims.

FIG. 1 is a perspective view showing a conventional design component mounting structure. 2A and 2B are cross-sectional views showing the operation of a conventional design component mounting structure. FIG. 2A shows a steady state, and FIG. 2B shows a state when a tensile force is applied to the design component. FIG. 3 is a perspective view schematically showing the mounting structure of the design component of the present invention. 4A and 4B are cross-sectional views showing the operation of the design component mounting structure of the present invention. FIG. 4A shows a steady state, and FIG. 4B shows a state when a tensile force is applied to the design component. FIG. 5 is an exploded perspective view of the illumination device according to the embodiment of the present invention. FIG. 6 is a bottom view of the illumination device. FIG. 7 is a longitudinal sectional view of the illumination device. FIG. 8 is a cross-sectional view taken along line AA in FIG.

Explanation of symbols

1, 11, 40 Design part 3, 13, 41 Insert leg 4, 14, 36 Engagement claw 5, 15, 30 Base 8, 18, 50 Mounting surface (ceiling material)
35 engagement receiving portion 37 opening 38 deformation restraining portion 42 hole

Claims (2)

A design part in which a pair of insertion legs protrudes from a flexible part, and the design part in which a hole is formed in the insertion leg,
A pedestal disposed on the back side of the mounting surface of the interior material, the engagement receiving portion disposed between a pair of insertion legs of the design component, and a lamp module, the engagement receiving portion And a pedestal on which a pair of engaging claws are formed outward corresponding to the holes formed in the insertion leg,
The pair of insertion legs are inserted into openings formed on the mounting surface of the interior material, and the insertion legs are deformed so as to ride on the engagement claws of the engagement receiving part, and are formed on the insertion legs. The engagement claw of the engagement receiving portion is engaged with the hole formed,
The pedestal is formed with an opening below the engaging claw, and is deformed and restrained to expand toward the insertion leg outside the insertion leg of the opening and restrain deformation of the insertion. Part is provided,
The interior material is sandwiched between the pressing surface of the pedestal and the peripheral edge of the design component .
An interior lighting device for a vehicle. The pedestal further includes a retainer portion continuous with the engagement receiving portion below the pedestal,
The lamp module is fixed to the retainer;
The vehicle interior lighting device according to claim 1.

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