JPS62154402A - Signal lamp for vehicle - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a vehicle signal light used as a stop lamp of a vehicle, and in particular, a signal light using a light emitting diode provided on an elongated substrate as a light emitting body. Regarding.

(Prior Art) As a conventional vehicle signal light, for example, one shown in FIG. 6 is known.

This conventional signal light has light emitting diodes 01. Substrate 02.
The vehicle was equipped with a housing 03, the housing 03 was fixed to the vehicle body, a board 02 was fixed to the housing 03 with screws 04, and a light emitting diode 01 was fixed to the board 02.

(Problems to be Solved by the Invention) However, in such a conventional vehicle signal light, the board was attached to the housing by fixing with screws, which caused the following problems.

Since the substrate has an elongated shape, it expands in the long side direction when it receives heat emitted from the light emitting diode.

When this amount of expansion is large, there is a problem in that the substrate is bent in the thickness direction because the ends of the substrate are fixed with screws.

Furthermore, there is a problem in that it is time-consuming because screws must be tightened when mounting the board.

(Means for solving the problems) Therefore, in order to solve the conventional problems as mentioned above,
In the vehicle signal light of the present invention, an elongated substrate having a light emitting diode on the front side is provided, and a housing is provided for accommodating the substrate, and the housing includes at least a portion of the long side end surface and the back surface of the substrate. In a vehicle signal light in which an end support part and a back support part are formed to support the board, a fitting is fitted between a substantially central part of the board and a matching housing to restrict movement in the long side direction of the board. A mating part is provided between both ends of the board and a matching housing, and the engaging part restricts movement of the board toward the surface side in the thickness direction by engagement, and is free against movement in the long side direction. This means that the

(Function) In the vehicle signal light of the present invention, the board is attached to the housing as follows.

First, both ends of the board and matching housings are engaged at the engaging portions, and then approximately the center of the board and the matching housing are fitted together at the fitting portions to complete the installation.

In addition, in the vehicle signal light of the present invention, the movement of the substrate in the short side direction with respect to the housing is regulated by the end support part, the movement in the long side direction is regulated by the fitting part, and the board is regulated in the back side in the thickness direction. The movement towards the front side is regulated by the back supporting part, and the movement towards the front side is regulated by the retaining part.

In addition, when the board is expanded due to the heat of the light emitting diode, etc., the board is fixed by the fitting part at approximately the center, and
Both end portions extend in the long side direction while being engaged with the engaging portion only in the thickness direction.

(Example) Examples of the present invention are shown in FIGS. 1 to 5 and will be described in detail below.

In describing this embodiment, it should be noted that
”-/This will be explained using Pranzo as an example.

Reference numeral A denotes an auxiliary stop lamp according to an embodiment of the present invention, which is provided above the back door 110 of the automobile 100 as shown in FIG. 5, and is lit at the same time as a stop lamp (not shown) to perform a braking operation. This auxiliary station/plump A is designed to display the information more clearly. A light emitting diode 30 is provided.

The housing 10 is for accommodating a substrate 20, and as shown in FIGS. 1 and 5, the housing 10 is a box-shaped elongated rectangular parallelepiped with an opening 11 on one side, and is made of resin. It is formed by

Further, on the inner periphery of the housing 10 near the opening 11, as shown in the cross-sectional view of FIG. , and a back surface support part 1 that supports the periphery of the back surface of the substrate 20.
3 is formed.

In addition, in the opening 11 of the housing 1o, as shown in FIGS. 1 and 3, six engaging protrusions 14 are provided at positions on the opening ll side from the back support portion 13 by the thickness of the substrate 20.
is formed, and a fitting protrusion 15 is integrally formed in the upper center at the same height as the back support part 13 in the short side direction.

The substrate 20 supports the light emitting diodes 30 arranged in parallel vertically and horizontally, and is elongated like the housing 10, and the length of the short side is equal to the short side of the opening 11. The length of the opening 11 is the same as that of the opening 11, and the length of the long side is slightly shorter than the length of the long side of the opening 11.

Furthermore, a fitting hole 21 is formed at the upper edge of the center of this board 20 to fit into the fitting protrusion 15 of the housing 10, and the fitting protrusion 15 and the fitting hole 21 form a fitting portion. 40 is formed.

Further, an engaging portion 50 is formed by the portion 22 of the substrate 20 that corresponds to the engaging protrusion 14 and the engaging protrusion 14, and the substrate 20 is slidable in the long side direction in the engaging portion 50. They are engaged in such a way that movement is restricted in the thickness direction.

Further, on the light emitting diode 3.0 side of this substrate 20, a fifth
As shown in the figure, it is covered with a red acrylic plate 16, and this acrylic plate 16 is fixed to the /X housing 10.

The housing 10 includes a substrate 20 as shown in FIG.
The back door 110 with the and acrylic plate 16 attached
It is arranged in a storage section 111 formed on the upper part of the holder and is fixed to an inch panel 113 via a spacer 112.

In addition, in FIG. 5, 114 is an outer panel, and 115 is a rear window glass.

Next, the operation of the embodiment will be explained.

In the embodiment device A, the substrate 20 can be easily attached to the housing 10 as described below.

First, both upper and lower ends of the board 20 are inserted between the back support part 13 of the housing 10 and the engaging protrusion 14, and the engaging protrusion 14 and the corresponding portion 22 are engaged, and then , the fitting hole 21 of the board 20 and the fitting protrusion 15 of the housing 10 are fitted to complete the installation.

Further, when the board 20 is attached to the housing 10, movement in the short side direction due to vibrations of the automobile 100, etc.
2, the movement of the substrate 20 towards the back side is regulated by the back support part 13, the movement towards the front side (light emitting diode 30) is regulated by engagement by the engaging part 50, and the movement in the long side direction is regulated by the engagement part 50. is regulated by the fitting by the fitting part 40.

In addition, due to the heat of the light emitting diode 30, /
When the substrate 20 extends in the long side direction with respect to 0, the substrate 2
0, since the center portion is fixed by fitting, both left and right end portions slide in the long side direction with respect to the housing 10.

At this time, both ends are engaged only in the thickness direction at the engaging part 50 and are free in the long side direction, so the sliding of both ends is not restricted, and therefore the board 20 is bent due to expansion. There's no need to worry.

Although the embodiments of the present invention have been described above in detail with reference to the drawings, the specific configuration is not limited to these embodiments, and the present invention may be modified without departing from the gist of the present invention. included.

For example, in the embodiment, an auxiliary stop lamp is used as an example, but other signal lights such as a side marker lamp, a direction indicator lamp, a stop lamp, etc. may be used as the vehicle signal lamp.

In addition, although a protrusion on the housing and a hole on the board are provided as a fitting part, the protrusion and hole may be formed in the opposite direction, and furthermore, the shape of the protrusion and hole is such that they fit together and move in the long side direction of the board. Any shape may be used as long as it regulates the

Regarding the engagement part, for example, if a protrusion is provided on the board, a rail may be provided on the housing to guide the slide of the protrusion in the long side direction of the board, or conversely, if a protrusion is provided on the housing, a rail may be provided on the board. In short, it is sufficient that the movement of the substrate in the surface direction is restricted by engagement between the substrate and the housing, and the movement in the long side direction is free.

Furthermore, although the back surface support portion is provided around the inner periphery of the housing in the embodiment, it may be of any type as long as it restricts the movement of the substrate toward the back surface side in the thickness direction.

(Effects of the Invention) As explained above, in the vehicle signal light of the present invention, when the board is extended, the extension is not restricted by the housing, so that the effect that the board does not bend due to extension is obtained. It will be done.

Further, when attaching the board to the housing, it is only necessary to engage both ends with the housing and fit the substantially central part, so that the effect of simplifying the attaching work can be obtained.

[Brief explanation of drawings]

FIG. 1 is a front view showing a vehicle signal light according to an embodiment of the present invention;
Fig. 2 is a front view showing the main parts of the example signal lamp, Fig. 3 is a sectional view taken along line II in Fig. 1, Fig. 4 is a sectional view taken along line II-II in Fig. 1, and Fig. 5 is an example signal lamp. FIG. 6 is a longitudinal cross-sectional view showing the installed state of the conventional example. 10... Housing 12... End support part 13... Back support part 20... Substrate 30... Light emitting diode 40... Fitting part 50... Engaging part

Claims (1)

[Claims] 1) An elongated substrate having a light emitting diode on the front side is provided, a housing for accommodating the substrate is provided, and the housing includes at least a portion of the long side end surface and the back surface of the substrate. In a vehicle signal light in which an end support part and a back support part are formed to support the board, a fitting is fitted between the substantially central part of the board and a matching housing to restrict movement in the long side direction of the board. A mating part is provided between both ends of the board and a housing corresponding thereto, and the mating part restricts movement of the board in the thickness direction toward the surface side by engagement, and is free against movement in the long side direction. A vehicle signal light characterized by being provided with.