JP2010021080A - High mount stop lamp - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a high mount stop lamp for skipping a coating process. <P>SOLUTION: In the high mount stop lamp provided with a light-emitting unit 11, a holder 20 equipped with a housing part for housing the light-emitting unit 11, and a lens 40 retained by the holder 20 and controlling light from the light-emitting unit 11, a left-side reflection part 28 and a right-side reflection part 29 which are extended to leftward and rightward from the housing part respectively, are fitted at the holder 20, and are approached to a left end part and a right end part extended leftward and rightward respectively from the housing part of the lens 40. Since outdoor light transmitting the left end part and the right end part of the lens is reflected at the left-side reflection part and the right-side reflection part, a coating process for forming a reflection surface on a rear-surface of the lens is skipped, thus, cost is drastically reduced. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a high-mount stop lamp.

In general, a stop lamp for informing the following vehicle of the stop of the own vehicle is installed at the rear of the automobile, and the lens of the stop lamp is usually colored red.
As this type of conventional stop lamp, there is a high-mount stop lamp arranged at the top of the rear panel, and as the high-mount stop lamp, the concave portion of the lens body is covered with a cover member, and a large number of light sources are arranged in the concave portion. There is one in which a parting groove is formed on the surface of a lens body as a boundary between a painted portion and a non-painted portion. For example, see Patent Document 1.
Refer to Japanese Utility Model Publication No. 2-97710.

  However, in the high mount stop lamp in which the parting groove is formed by the boundary between the painted part and the non-painted part, there is a problem that the cost increases due to generation of a masking jig or the like for partial painting.

  An object of the present invention is to provide a high-mount stop lamp capable of omitting painting.

Typical means for solving the above-described problems are as follows.
(1) In a high-mount stop lamp comprising a light emitter unit, a holder having a storage portion for storing the light emitter unit, and a lens that is held by the holder and controls light from the light emitter unit. ,
The holder includes a reflection portion extending outward from the storage portion, and the reflection portion is close to an end portion extending outward from the storage portion of the lens. Mount stop lamp.
(2) The holder includes a left reflective portion and a right reflective portion that extend leftward and rightward from the storage portion, respectively, and the left reflective portion and the right reflective portion are located to the left of the storage portion of the lens. The high-mount stop lamp according to (1), wherein the high-mount stop lamp is close to a left end portion and a right end portion respectively extending rightward and rightward.
(3) The high mount stop lamp according to (1) or (2), wherein a part of the reflecting portion is bonded to a portion facing the lens.

  According to the high mount stop lamp described above, painting can be omitted.

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

In the present embodiment, the high-mount stop lamp according to the present invention is configured to be installed in the vicinity of the upper end side of the rear window in the automobile body in parallel with the upper end side.
As shown by imaginary lines in FIGS. 1 to 5, a mounting recess 3 that is elongated in the left-right direction is embedded in the vicinity of the upper end of the rear window 2 in the vehicle body 1 so as to be recessed toward the vehicle interior side. A rectangular mounting hole 4 is formed in the bottom wall of the mounting recess 3. The high mount stop lamp 10 is housed in the mounting recess 3 and fastened by a pair of fasteners.

As shown in FIG. 1, the high-mount stop lamp 10 includes a light emitter unit 11, a holder 20, and a lens 40.
In the following description, front and rear and left and right are based on FIG.
That is, the front side of the paper surface of FIG. 1A is the front side, the back side is the back side, the left side of the paper surface is the left side, and the right side is the right side. In other words, in the front-rear direction, the front surface (the rear surface of the automobile) of the high-mount stop lamp 10 is the front surface, the rear surface (also the front surface) is the rear surface, and the left-right direction is the left side of the high-mount stop lamp 10 (the right side of the vehicle). The right side is the right side (also the left side).

As shown in FIG. 6, the light emitter unit 11 includes a wiring board 12, and the wiring board 12 is formed in an elongated rectangular flat plate shape. The length and width of the wiring board 12 are set smaller than those of the high-mount stop lamp 10.
The wiring board 12 is made of glass impregnated epoxy resin. A conductive foil such as a copper foil is formed in a predetermined pattern (not shown) on one main surface (hereinafter referred to as a rear surface) of the wiring board 12, and an insulating layer (solder resist) is formed on the pattern. ing. The insulating layer is also formed on the other main surface (hereinafter referred to as the front surface) of the wiring board 12.

A plurality of (9 in the present embodiment) light emitter modules 13 are arranged on the front surface of the wiring board 12 and arranged at substantially equal intervals in the left-right direction.
The light emitter module 13 includes a light emitting diode 13a as a light emitter, a plurality of (four in this embodiment) leads 13b, and a package 13c that also serves as a reflecting mirror. The package 13c is formed of a transparent resin, and a part of the light emitting diode 13a and each lead 13b is hermetically sealed. Each lead 13b is inserted into a through hole (not shown) of the wiring board 12 and soldered to the pattern on the rear surface.
A backflow preventing diode 14 is mounted on the left end of the rear surface of the wiring board 12, and the diode 14 protects the plurality of light emitting diodes 13a. A plurality of resistors (9 in this embodiment) and a plurality of resistors (3 in this embodiment) are arranged in the central portion on the rear surface of the wiring board 12, and each group of resistors 15 corresponds to each group. The light emitting diode 13a and the diode 14 are connected in series.
A pair of power feeding portions 16, 16 are arranged in the width (short side) direction at a position to the right of the center of the wiring board 12. Each power supply portion 16 is formed by depositing a conductor such as copper on the inner peripheral surface of the through hole by electroplating or the like.

  A pair of screw insertion holes 17 and 18 are formed in the left end portion and the right end portion of the wiring board 12, respectively. One screw insertion hole 17 is formed in a perfect circle, and the other screw insertion hole 18 is formed in an oval shape. The inner diameter of the true circular screw insertion hole 17 is set to be slightly larger than the outer diameter of the screw 19 (see FIG. 2) which is one of the pair of fasteners, and the oval screw insertion hole 18 has a short axis dimension. Is set slightly larger than the outer diameter of the screw 19.

The holder 20 is integrally molded using an opaque synthetic resin, and is formed in a substantially spindle-shaped flat plate shape elongated in the left-right direction, as shown in FIGS.
A housing portion 21 for housing the light emitting unit 11 is integrally formed at the center of the holder 20. The storage portion 21 is formed in a rectangular parallelepiped box shape that is elongated in the left-right direction and the front surface is open, and a pair of fastening portions 22, 22 is provided at the left end portion and the right end portion of the rear wall 21 a that is the bottom wall of the storage portion 21 box. Are bulged and formed so as to protrude rearward. The pair of fastening portions 22 and 22 are respectively opposed to the pair of screw insertion holes 17 and 18 of the wiring board 12.
The luminous body unit 11 is fixedly stored in the storage portion 21 as follows.
The light emitter unit 11 is inserted into the housing portion 21 with the side opposite to the light emitter module 13 of the wiring board 12 facing the rear wall 21a, and a pair of screws 19 and 19 are front-side into the pair of screw insertion holes 17 and 18. And is screwed into the pair of fastening portions 22 and 22.
At this time, even if there is a dimensional error between the pair of screw insertion holes 17 and 18 and the pair of fastening portions 22 and 22 due to the one screw insertion hole 18 being formed in an oval shape, the wiring The substrate 12 can be easily fastened to the holder 20.
A pair of spacer portions 22a and 22a project from the opening edges on the rear wall 21a side of the pair of fastening portions 22 and 22, respectively, and both the spacer portions 22a and 22a connect the wiring board 12 from the rear wall 21a. By floating, the diode 14 and the resistor 15 group are prevented from interfering with the rear wall 21a.

A female coupler 24 is integrally formed at a position on the left side of the central portion of the rear wall 21a of the storage portion 21 so as to protrude rearward, and the female coupler 24 is formed in a rectangular parallelepiped box shape whose right side surface is open.
A pair of terminal pieces 25, 25 are housed and fixed in the female coupler 24, and the pair of terminal pieces 25, 25 are each formed in an angle shape. The pair of terminal pieces 25, 25 are arranged in parallel next to each other, and one leg portion of the pair of terminal pieces 25, 25 is a pair of the wiring board 12 in a state where the wiring board 12 is fastened in the storage portion 21. Are respectively inserted and electrically connected.
The opening 24a of the female coupler 24 is formed so that a male coupler (not shown) can be fitted therein. When the male coupler is fitted into the female coupler 24, the assembled wire of the automobile is electrically connected to the pair of terminal pieces 25, 25.
A pair of guide grooves 24b, 24b are formed in the opening 24a of the female coupler 24 so as to extend in the insertion direction of the male coupler, and a locking claw 24c is provided at the back of the opening 24a. ing. The pair of guide grooves 24b, 24b guide the sliding when the male coupler is inserted into the female coupler 24. The locking claw 24c is locked with the inserted male coupler, thereby preventing the male coupler from coming out of the female coupler 24.

  A light shielding plate 26 is integrally formed on the upper edge of the storage portion 21 so as to protrude forward. The light shielding plate 26 is formed in a rectangular plate shape elongated in the left-right direction, and is formed so as to protrude along the extended line of the ceiling wall portion of the storage portion 21. The light shielding plate 26 is formed so as to shield the sunlight transmitted through the lens 40 from above and transmitting downward. That is, the light shielding plate 26 is formed so that the front end edge is close to the rear end surface of the lens 40.

  A pair of positioning convex portions 27 and 27 protrude from the left and right ends of the light shielding plate 26 on the front surface of the holder 20. The pair of positioning protrusions 27 and 27 are each formed in a bar shape having a rectangular cross section, and are laid so as to rise perpendicularly from the front surface of the holder 20 and extend in parallel with the left and right side walls of the storage portion 21. .

  A portion of the holder 20 that extends to the left from the storage portion 21 forms a left reflection portion 28, and a portion of the holder 20 that extends to the right from the storage portion 21 forms a right reflection portion 29. The left reflecting part 28 reflects light transmitted through the lens 40 by covering the left reflecting part 28 close to the left end part of the lens 40. The right reflecting part 29 reflects light transmitted through the lens 40 by covering the right reflecting part 29 close to the right end part of the lens 40.

A pair of fastening portions 30, 30 are provided on the left reflecting portion 28 and the right reflecting portion 29 of the holder 20, respectively. Since the pair of fastening portions 30 and 30 are provided symmetrically, the left end portion shown in FIG. 4 will be described.
The fastening portion 30 includes a bolt fixing portion 31, and a head 32 a of a bolt 32 that is one of a pair of fasteners is fixed to the bolt fixing portion 31 by insert molding. The male thread portion 32b of the bolt 32 is formed so that a nut 33 which is the other of the fasteners can be screwed together. A packing 34 is fitted to the male screw portion 32 b of the bolt 32.
As shown in FIG. 4, the male screw portion 32 b of the bolt 32 is inserted into the mounting hole 4 formed in the vehicle body 1, and then the nut 33 is screwed so as to sandwich the packing 34. As a result, the high mount stop lamp 10 is fastened in a state sealed in the mounting recess 3 by the packing 34.
A packing 35 formed in a rectangular frame shape is bonded to the rear surface of the holder 20 so as to surround the storage unit 21. The packing 35 is formed using a cushion material such as sponge or rubber.

  As shown in FIGS. 7B and 7C, a pair of temporary holding portions 36 and 36 project from the left end portion and the right end portion of the lower wall 21b of the storage portion 21, respectively. As shown in FIG. 8C, each of the pair of temporary holding portions 36 and 36 is formed in a flat plate shape having a semicircular side view, and rises at a right angle from the lower surface of the lower wall 21b.

  As shown in FIGS. 7 and 5, a pair of washer liquid discharge ports 37 and 37 are provided in the left reflecting portion 28 and the right reflecting portion 29 of the holder 20, respectively. The pair of washer liquid discharge ports 37, 37 are formed such that the lower portions of the left and right reflecting portions 28 and 29 are cut into a horizontally long substantially rectangular shape.

As shown in FIG. 9, the lens 40 is formed in a substantially V-shaped steel shape having a spindle shape when viewed from the front, and covers the front surface of the holder 20 as shown in FIGS. Arranged and welded. The lens 40 is integrally molded using a transparent resin, and is colored red.
A pair of positioning plates 41 and 41 are formed on the left end and the right end of the rear surface (rear surface) of the lens 40 so as to partition the V groove of the lens 40, respectively. When the lens 40 is placed on the holder 20, the pair of positioning plates 41, 41 engage the pair of positioning convex portions 27, 27 of the holder 20 from the outside, thereby positioning the lens 40 and the holder 20.
A large number of prisms 42 are regularly formed vertically and horizontally in a region of the rear surface of the lens 40 facing the storage portion 21 of the holder 20. The prism 42 group improves the directivity by optically controlling and transmitting the light from each light emitter module 13.
In a region other than the prism 42 on the rear surface of the lens 40, vertical stripes 43 extending in the short direction are drawn over the entire surface. The vertical stripes 43 are formed by unevenness alternately continuing in the longitudinal direction.

As shown in FIG. 3A, when the lens 40 is attached to the holder 20, the front edge of the light shielding plate 26 of the holder 20 is close to the bottom of the V groove at the center of the rear surface of the lens 40. The light shielding plate 26 divides the inside of the V groove of the lens 40 in the vertical direction along the V-shaped center line. As a result, the light shielding plate 26 shields the sunlight 7 that has passed through the region above the prism 42 group of the lens 40 from above and reaches the prism 42 group.
Here, as shown in FIG. 3C, when the light shielding plate is not provided, for example, when the high mount stop lamp is irradiated with sunlight 7 immediately after exiting the tunnel, the red color of the lens Is projected on the outer surface of the vehicle body, giving rise to the problem of giving the following vehicle the illusion of braking.
However, in the present embodiment, as shown in FIG. 3A, the light shielding plate 26 can shield the sunlight 7 from above from passing through the lens 40, so that it exits from the tunnel. Immediately after the sun shines on the high-mount stop lamp, the red color of the lens is projected onto the outer surface of the car body, giving rise to the problem of giving the illusion that the brakes were applied to the following car. Can be prevented.

In a state where the lens 40 is attached to the holder 20, the left reflecting portion 28 and the right reflecting portion 29 of the holder 20 are close to the left end portion and the right end portion of the rear surface of the lens 40, respectively.
External light (sunlight) transmitted through the left end portion and the right end portion of the lens 40 is reflected by the left reflecting portion 28 and the right reflecting portion 29 of the holder 20 that are respectively close to the rear surface of the lens 40. Therefore, it is not necessary to form a reflection surface for reflecting external light at the left end portion and the right end portion of the rear surface of the lens 40. That is, the painting process for forming the reflection surface on the rear surface of the lens 40 can be omitted.

As shown in FIGS. 9A and 4, a washer liquid discharge port 44 formed in the shape of a long hole is formed at the left end of the lens 40. In a state where the lens 40 is attached to the holder 20, the washer liquid discharge port 44 faces the washer liquid discharge port 37 cut out in the left reflecting portion 28 of the holder 20.
Note that the washer liquid discharge port 44 is not limited to the left end portion of the lens 40 and may be set to the right end portion. In this case, the washer liquid discharge port 44 faces the washer liquid discharge port 37 cut out in the right reflecting portion 28 of the holder 20.
That is, the holder 20 is configured so that it can be used as both a right-hand drive wheel and a left-hand drive wheel.

  The high-mount stop lamp 10 configured as described above is inserted into the mounting hole 4 opened near the upper end side of the rear window 2 in the vehicle body 1 and fastened.

First, as shown in FIG. 10 (a), the high-mount stop lamp 10 is opposed to the mounting hole 4 formed in the vehicle body 1 obliquely from above. Subsequently, as shown in FIG. 10 (b). Next, the holder 21 of the holder 20 is inserted into the mounting hole 4 of the mounting recess 3 by moving it in the direction of arrow A while rotating about the rotation axis R shown in FIG. Let
With this operation, as shown in FIG. 10C, the pair of temporary holding portions 36 and 36 formed in a semicircular plate shape on the rear surface of the storage portion 21 slide into the lower edge of the mounting hole 4 respectively. The pair of slipped temporary holding portions 36 and 36 are engaged with the lower edge of the mounting hole 4 from the inside (inside the vehicle compartment), so that the high mount stop lamp 10 is paired with the mounting hole 4 of the vehicle body 1. The temporary holding portions 36 and 36 are temporarily held.
In this state, the packing 35 bonded to the rear surface of the holder 20 is in contact with the opening edge of the mounting hole 4 of the vehicle body 1.

After the high-mount stop lamp 10 is temporarily held in the mounting hole 4, as shown in FIG. 4, the nut 33 is screwed into the male threaded portion 32 b of the bolt 32 so as to sandwich the packing 34 from the inside (vehicle interior side). Worn. As a result, the high mount stop lamp 10 is fastened in a state sealed in the mounting recess 3 by the packing 34.
When the high mount stop lamp 10 is fastened, the packing 35 is compressed and deformed between the high mount stop lamp 10 and the vehicle body 1 as shown in FIG. The opening edge of 4 is sealed.

As described above, when the high-mount stop lamp 10 is fastened to the mounting hole 4, the washer liquid discharge port 37 of the holder 20 and the washer liquid discharge port 44 of the lens 40 are formed in the washer liquid discharge port 44 as shown in FIG. The washer nozzle 5 is in a facing state.
The washer liquid discharge port 37 of the holder 20 is cut out in a rectangular shape that is long in the left-right direction, and the washer liquid discharge port 44 of the lens 40 is formed in a long hole in the left-right direction, so that FIGS. As shown, the washer nozzle 5 can eject the washer fluid 6 in both the left and right directions. Therefore, the washer nozzle 5 can spray the washer fluid 6 over a wide area of the rear window 2.

The assembled wire for supplying electric power to the light emitter unit 11 is connected to the high mount stop lamp 10 by inserting a male coupler (not shown) into the female coupler 24.
When the male coupler is fitted into the female coupler 24, the pair of guide grooves 24b and 24b guide the sliding of the male coupler. Further, the locking claw 24c locks with the inserted male coupler, thereby preventing the male coupler from coming out of the female coupler 24.

  When the light-emitting unit 11 is energized with the high-mount stop lamp 10 installed on the vehicle body 1, the plurality of light-emitting diodes 13 a emit light, and the light flux is directed substantially forward in the high-mount stop lamp 10. It is controlled to obtain a desired light distribution when irradiating and transmitting through the lens 40. Since the lens 40 is colored red, the light transmitted through the lens 40 is red. Therefore, the high mount stop lamp 10 shines red.

In the present embodiment, when the lens 40 is attached to the holder 20, the left reflecting portion 28 and the right reflecting portion 29 of the holder 20 are close to the left end portion and the right end portion of the rear surface of the lens 40, respectively. The external light (sunlight) transmitted through the left end portion and the right end portion of the lens 40 is reflected by the left reflecting portion 28 and the right reflecting portion 29 of the holder 20 respectively close to the rear surface of the lens 40. Therefore, it is not necessary to form a reflection surface for reflecting external light at the left end portion and the right end portion of the rear surface of the lens 40. In other words, the painting process for forming the reflective surface on the rear surface of the lens 40 can be omitted.
That is, according to the present embodiment, even if the painting process is omitted, the red region length (red lens left and right length) in the high-mount stop lamp is sufficiently high (partly painted on the left end and right end of the lens back surface). Can be maintained (equivalent to a mount stop lamp).
And a cost can be reduced significantly by omitting a painting process.

  Needless to say, the present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention.

  For example, the reflection portion of the holder is not limited to being provided at the left end portion and the right end portion, but may be provided at an upper portion of the storage portion or the like.

  In the above embodiment, the case where the vehicle body protrudes from the high mount stop lamp has been described. However, the present invention is not limited to this, and the high mount stop lamp includes a case where the high mount stop lamp is housed in the vehicle body. It can be applied in general.

The high mount stop lamp which is one Embodiment of this invention is shown, (a) is the front view of the state which removed the lens, (b) is a rear view. FIG. 2 is a plan sectional view taken along line II-II in FIG. 1. (A) is sectional drawing which follows the IIIa-IIIa line | wire of FIG. 1, (b) is sectional drawing which follows the IIIb-IIIb line | wire similarly. (C) is sectional drawing equivalent to (a) which shows a comparative example. (A) is sectional drawing which follows the IVa-IVa line | wire of FIG. 1, (b) is a plane sectional view which follows the bb line | wire of Fig.4 (a). (A) is sectional drawing which follows the Va-Va line | wire of FIG. 1, (b) is a bottom view of FIG. 5 (a), (c) is sectional drawing which follows the cc line of FIG.5 (b). . The light-emitting unit is shown, (a) is a front view, (b) is a rear view, (c) is a bottom view, and (d) is a side view. The holder is shown, (a) is a front view, (b) is a bottom view, (c) is a rear view, and (d) is a side view. (A) is a cross-sectional bottom view taken along the line aa in FIG. 7, (b) is a cross-sectional side view taken along the line bb, (c) is a cross-sectional end view taken along the line cc, and (d). Is a side cross-sectional view along the line dd, (e) is a side cross-sectional view along the line ee, (f) is a side cross-sectional view along the line ff, and (g) is FIG. ) Is a detailed view of the portion g, (h) is a detailed view of the portion h of FIG. 7 (a), (i) is a detailed view of the portion i of FIG. 8 (a), and (j) is a detailed view of FIG. It is detail drawing of j section. 1A is a front view, FIG. 2B is a cross-sectional view taken along line bb in FIG. 1A, FIG. 3C is a rear view, FIG. 3D is a side view, and FIG. It is an expanded sectional view which follows the ee line | wire of (). It is each sectional side view which shows the procedure of an assembly | attachment operation | work.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Vehicle body, 2 ... Rear window, 3 ... Mounting recess, 4 ... Mounting hole, 5 ... Washer nozzle, 6 ... Washer liquid, 7 ... Sunlight,
10 ... High-mount stop lamp,
DESCRIPTION OF SYMBOLS 11 ... Light emitter unit, 12 ... Wiring board, 13 ... Light emitter module, 13a ... Light emitting diode, 13b ... Lead, 13c ... Package, 14 ... Diode, 15 ... Resistor, 16 ... Feeding part, 17, 18 ... Screw insertion hole 19 ... Bis,
DESCRIPTION OF SYMBOLS 20 ... Holder, 21 ... Storage part, 21a ... Rear wall, 21b ... Lower wall, 22 ... Fastening part, 22a ... Spacer part, 24 ... Female coupler, 24a ... Opening part, 24b ... Guide groove, 24c ... Locking claw, 25 ... Terminal strip, 26 ... Shading plate, 27 ... Positioning convex part, 28 ... Left reflecting part, 29 ... Right reflecting part, 30 ... Fastening part, 31 ... Bolt fixing part, 32 ... Bolt (fastener), 32a ... Head Part, 32b ... male screw part, 33 ... nut (fastener), 34, 35 ... packing, 36 ... temporary holding part, 37 ... washer liquid discharge port,
40: Lens, 41: Positioning plate, 42: Prism, 43: Vertical stripe, 44: Washer liquid discharge port.

Claims (3)

In a high-mount stop lamp comprising: a light emitter unit; a holder including a storage unit that stores the light emitter unit; and a lens that is held by the holder and controls light from the light emitter unit.
The holder includes a reflection portion extending outward from the storage portion, and the reflection portion is close to an end portion extending outward from the storage portion of the lens. Mount stop lamp.   The holder includes a left reflective portion and a right reflective portion that extend leftward and rightward from the storage portion, respectively. The left reflective portion and the right reflective portion are located on the left and right sides of the storage portion of the lens. The high-mount stop lamp according to claim 1, wherein the high-mount stop lamp is adjacent to a left end portion and a right end portion respectively extending to the left and right ends.   3. The high-mount stop lamp according to claim 1, wherein a part of the reflecting portion is bonded to a portion facing the lens.

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