JPH0339848Y2 - - Google Patents

Description

[Detailed description of the invention] <<Industrial application>> This invention involves attaching a lens to the front opening of a housing that has a wraparound part on one side, and attaching a protector to the outer edge of a rim placed at the edge of the lens. This relates to a vehicle lamp equipped with a .

<<Prior Art>> FIG. 14 shows an example of such a conventional vehicle lamp. This light fixture has a housing a
An inner lens b is attached to the front opening of the lens, and an outer lens c is attached to the outside thereof. A light source d is arranged inside the housing a inside the inner lens b.

The inner lens b is supported by ribs e provided at a plurality of spaced intervals on the upper and lower inner walls of the housing a, and is attached to the ribs e by screws f or by welding, adhesion, caulking, or the like.

The outer lens c is attached by joining leg portions g formed at its periphery into grooves h formed at the periphery of the front opening of the housing a using hot melt i, which is a sealant.

Further, the outer wall of the groove h of the housing a projects outward to form a flange j, and a rim k is attached to the flange j by screws l.
A protector n is attached to the outer end of the rim k to prevent collision with the vehicle body panel m.

<<Problems to be solved by the invention>> In the case of such a lamp having a wrap-around part on one side, the protector is attached to the wrap-around part as shown in Fig. 15.
Protruding pins O and O' on the back side of the rim k, and inserting the mounting holes p of the protector n into these pins O and O',
This is done by hot caulking the tips of the pins O and O'. At this time, the upper and lower pins O can be formed in the general drawing direction of the mold, but the side pins
Since O' faces medially and laterally, a separate slide mold must be used, resulting in high costs.

SUMMARY OF THE INVENTION An object of this invention is to provide an improved vehicle lamp in which a pin for attaching a protector can be molded into the wrap-around portion of the rim without using a slide mold.

<Means for Solving the Problems> In the vehicle lamp according to this invention, a lens is attached to the front opening of a housing having a wraparound part on one side, a rim is placed on the edge of this lens, and a rim is placed on the outside of the rim. This is a vehicle lamp with a protector attached to the end, in which an elongated triangular pin protrudes from the inside of the rim on the side of the wraparound part of the housing along the general drawing direction of the mold, and the protector is attached to this pin. The triangular top portion of the pin is heat caulked after the pin is inserted into the mounting hole formed in the pin.

<<Operation>> Since the pin for attaching the protector on the side of the wraparound part of the rim is formed into an elongated triangular shape along the general drawing direction of the mold, a special slide mold is not required.

《Example》 Fig. 1 is a front view showing an embodiment of the vehicle lamp according to this invention, Fig. 2 is a right side view of the lamp, and Fig. 3 is a cross-sectional view taken along the line - - of Fig. 1. FIG. 4 is a sectional view taken along the - line in FIG. 1.

This lamp is a horizontally long rear combination lamp with a wraparound part on one side.The upper side is a tail stop lamp 1, the lower side is a turn signal lamp 2, and a gray-smoke-like lens filter 3 in the middle is attached to the outer lens. It is attached horizontally as one piece by two-color molding. Further, a red transparent reflex reflector 4 is bonded to the outer lens surface of the tail stop lamp 1.

The housing 5 of this lamp includes a light chamber 6 for a tail stop lamp and a light chamber 7 for a turn signal lamp.
It is divided into two parts and is integrally molded with polypropylene resin. The front opening of one of the light chambers 6 has a third
As shown in the figure, a colorless and transparent first inner lens 8 made of polycarbonate resin is attached, and a red and transparent second inner lens 9 made of acrylic resin is attached to the front surface thereof. The first inner lens 8 includes a Fresnel prism on its back surface,
The second inner lens 9 includes a fisheye prism on its back surface.

As shown in FIG. 4, an orange transparent inner lens 10 made of acrylic resin is attached to the front opening of the other lamp chamber 7. This inner lens 1
0 has a fisheye prism on the front surface and a Fresnel prism on the back surface. A brown smoke-like transparent acrylic resin outer lens 11 is attached to the housing 5 so as to cover the inner lenses 9 and 10.

Inside the lamp chamber 6 are light sources 22 and 23 held in sockets 20 and 21 attached to the housing 5.
is located. Also arranged within the lamp chamber 7 are light sources 26 and 27 held in sockets 24 and 25 attached to the housing 5.

In this lamp, pins 28 and 29, which are implanted inward at the wrap-around portion of the housing 5, are inserted into mounting holes 30 and 31 of the housing 5, and pins 32 and 33 which are attached to the rear surface of the housing are inserted into mounting holes 30 and 31 of the housing 5.
are press-fitted and held in resin clips 34 and 35 attached to the vehicle body panel 19, and, although not shown, mounting plates provided at two locations on the top of the housing 5 are screwed to the brackets attached to the vehicle body panel 19. to ensure its attachment and retention.

The first inner lens 8 of the lamp chamber 6 is normally flat, and as shown in FIG. 3, has bent locking pieces 8a and 8b facing rearward at both ends thereof.
One of the locking pieces 8a is connected to one side inner wall surface 6a.
and the other locking piece 8b is connected to a locking portion 6b that is protruded inside the wrap-around portion of the housing light chamber 6.
The inner lens 8 is fixed and attached in a bent state. At this time, as shown in FIG. 5, the upper and lower inner wall surfaces of the housing light chamber 6 are formed with shelf portions 6c and 6d that are continuous in the lateral direction, so that the upper and lower edges of the inner lens 8 are By contacting and bending the stepped portions 6c and 6d,
The inner lens 8 can be gently curved along the curved shapes of the stepped portions 6c and 6d.
The inner lens 8 has bent locking pieces 8c and 8d formed forward on its upper and lower edges.
, and the tips of the bent locking pieces 8c and 8d are connected to the second
By pressing with the back surface of the inner lens 9, the position in the direction of the second inner lens 9 is regulated.

The second inner lens 9 is pre-formed in a shape that substantially follows the outer lens 11 in the lateral direction, and has legs 9a and 9b facing rearward above and below, as shown in FIG. , the leg portion 9b has a stepped portion 9c. This inner lens 9 has an outer protrusion 9d of its upper leg portion 9a formed in a stepped portion 11b formed on the inner wall surface of the upper leg portion 11a of the outer lens 11.
The outer protrusion 9e of the lower leg portion 9b is press-fitted into pressure contact with the inner wall surface of the intermediate leg portion 11c of the outer lens 11. The position of the inner lens 9 in the direction of the outer lens 11 is controlled by an outer protrusion 9d and a stepped portion 11b at the upper portion, and by a stepped portion 9c and a protrusion 11d at the tip of the intermediate leg portion 11c at the lower portion. The inner lens 10 on the other housing lamp chamber 7 side is also press-fitted and held in the outer lens 11 in the same manner.

The inner lenses 9 and 10, which are press-fitted and temporarily fixed to the outer lens 11 in this way, are permanently fixed to the housing 5 when the outer lens 11 is attached to the housing 5. That is, in the upper part of the outer lens 11, the tips of the legs 11a are joined into the grooves 12 formed at the periphery of the front opening of the housing 5 with hot melt 13, which is a sealant. The tip of portion 9a is also joined at the same time.

The leg portion 9a of the inner lens 9 is substantially a part of the inner wall of the groove portion 12 of the housing 5. The original inner wall 12a of this groove 12 is formed by recessing the inner wall surface from the bottom of the groove 12 in different steps leaving a minimum depth necessary for sealing, and the leg of the inner lens 9 is formed in the recess 12b. The inner wall of the groove portion 12 is formed along with the original inner wall 12a along with the portion 9a. By doing this, the groove 12
The width of the hot melt 13 can be narrowed, and since the hot melt 13 completely surrounds the tip of the leg 11a of the outer lens 11, the hot melt 13 does not peel off, and the sealing is ensured.

On the other hand, at the lower part of the inner lens 9, the tip protrusion 9f of the leg part 9b of the inner lens 9, whose position is regulated and press-fitted into the outer lens 11 by the protrusions 9e and 11d, comes into contact with the bottom of the intermediate groove part 14 of the housing 5. ing. Therefore, the leg portion 9b of the inner lens 9 is held and fixed between the intermediate leg portion 11c of the outer lens 11 and the intermediate groove portion 14 of the housing 5. Inner lens 9
The legs 9b may be supported by the tip projections 14a of the inner wall of the intermediate groove 14 instead of being supported by the bottom of the intermediate groove 14. The other inner lens 10 is permanently fixed in the same manner.

The outer lens 11 is attached to the housing 5 by bonding with hot melt 13 and by using a locking claw 11e provided on the outer surface of the leg portion 11a of the outer lens 11 and a locking hole 5a provided in the outer wall of the groove 12 of the housing 5. This can also be done by fitting it into the

Further, as shown in FIG. 5, the inner wall 15a of the lower groove portion 15 of the housing 5 is formed high enough to almost cover the lower leg portion 10a of the inner lens 10 and its tip abuts the back surface of the inner lens 10. The light from the light source in the lamp chamber 7 is blocked by the inner wall 15a, and the portion of the lens leg 10a that is close to the light source is particularly prevented from being reflected and appearing swollen.

Further, as shown in FIGS. 1 and 2, in this lamp, a band-shaped rim 16 extends from the upper right side of the wraparound part to the entire side and lower part of the outer lens 11.
attached to the edge of the

As shown in FIG. 7, the upper part of the rim 16 has a hook portion 16a at its inner end.
is hooked onto the protrusion 11f provided on the upper edge of the outer lens 11 so as to protrude in the direction of the lens surface, and the protrusion 16b provided on the lower surface of the hook 16a is press-fitted into the tip of the outer wall 12c of the housing groove 12. ,
This hook portion 16a is pressed and held between the protruding edge portion f of the outer lens 11 and the tip of the housing groove outer wall 12c. Bosses 1 are provided at appropriate locations on the lower surface of the rim 16.
6c is provided protrudingly, and a hole 16d is formed in the center thereof.
Then, the screw 17 inserted through the attachment hole 12e of the flange portion 12d protruding from the outside of the housing groove outer wall 12c is screwed in, and the rim 16 and the housing 5 are fully attached.

Further, a leg part 16e is formed at the outer end of the rim 16, and a protector 18 made of NBS rubber is fitted onto this leg part 16e.
protects the outer edge of the At the upper part of the wrap-around part of this lamp, as shown in Fig. 8, the rim 1
A pin 16f is provided protruding from an appropriate location on the lower surface of 6,
The protector 18 is securely attached to the rim 16 by fitting the attachment hole 18a of the protector 18 into this and hot caulking the tip of the pin 16f.

Further, the outer wall 12c of the housing groove 12 is formed high enough to almost completely cover the leg 11a of the outer lens 11 together with the inner end of the rim 16, so that the light from the light source in the lamp chamber 6 passes through the outer lens 11. This prevents it from leaking upward from the leg portion 11a and becoming visible from the outside. Depending on the structure of the lamp, this light leakage prevention structure may be constructed of only the housing groove outer wall 12c, or may be a double wall structure of the housing groove outer wall 12c and the inner end of the rim 16. Further, in this embodiment, since the projecting edge 11f of the outer lens 11 and the hook 16a of the rim 16 overlap, leakage of light from this portion is also reliably prevented.

As shown in FIG. 9, the mounting structure on the side of the wrap-around portion of the rim 16 is such that a protruding edge 11f is provided on the side edge of the outer lens 11 and protrudes in the direction of the lens surface, and the leg portion 11a of the outer lens 11 is attached to the side edge 11f of the outer lens 11. The hook part 16a of the rim 16 provided with the protrusion 16b is press-fitted between the bent part 11g and the protruding edge part 11f, and the inner end of the rim 16 is pressed and held. It's summery.

In addition, in the side part of this wrapping part, the 10th
As shown in the figure, an elongated triangular pin 16g is protruded from an appropriate location inside the rim 16 along the direction A of the molding die, and the mounting hole 18b of the protector 18 is fitted into the pin 16g. After that, the triangular top portion 16h of the pin 16g is crushed by heat caulking to securely fix the protector 18 to the rim 16.

The lower part of the rim 16 is formed to be elongated along the entire lower edge of the outer lens 11. As shown in FIG. 11, the rim attachment structure at the left end is provided with a protruding edge 11f that protrudes in the direction of the lens surface at the lower edge of the outer lens 11.
hook 16i provided on the inner end of the rim 16, and as shown in FIG.
The protrusion 16b provided on the lower surface of the housing groove 12 is press-fitted into the tip of the outer wall 12c of the housing groove 12, and the hooking claw 16i of the rim 16 is inserted into the protrusion 11f of the outer lens 11.
and the tip of the housing groove outer wall 12c. Further, in the vicinity of this hook portion 16i, as shown in FIGS. 11 and 13, a locking pin 16j is formed to protrude rearward from the bottom surface of the inner end of the rim 16, and this locking pin 16j is The rim 16 is fitted into the locking hole 11i of a locking piece 11h formed on the lower edge of the outer lens 11 so as to protrude in the direction of the lens surface, thereby positioning the rim 16 in the vertical and horizontal directions.

As shown in FIG.
7, it is permanently fixed to the housing 5 at appropriate locations shown in FIG.

《Effects of the invention》 As mentioned above, the vehicle lamp according to this invention has the following effects:
A vehicle lamp in which a lens is attached to the front opening of a housing that has a wraparound part on one side, a rim is arranged around the edge of the lens, and a protector is attached to the outer end of the rim, the housing having a wraparound part. A pin for attaching a protector in an elongated triangular shape along the general drawing direction of the mold is provided protruding inside the rim on the side, so the pin can be formed without using a conventional slide mold, reducing costs. is significantly reduced.

[Brief explanation of drawings]

Figure 1 is a front view of a vehicle lamp showing an embodiment of this invention, Figure 2 is a right side view of the lamp, and Figure 3 is a right side view of the same lamp.
The figure is a sectional view taken along the - line in Fig. 1, and Fig. 4 is a sectional view taken along the - line in Fig.
The - line sectional view of the figure, Fig. 5 is the - of Fig. 1.
The line sectional view, Figure 6, is a partial enlarged view of Figure 5, and Figure 7.
The figure is a sectional view taken along the - line in Fig. 1, and Fig. 8 is a sectional view taken along the - line in Fig. 1.
9 is an enlarged view of the part shown in FIG. 3, FIG. 10 is a partially exploded perspective view of FIG. 9, and FIG. 11 is a partially exploded perspective view of the lower left part of the lamp. FIG. 12 is a sectional view taken along the line XII-XII in FIG. 1, FIG. 13 is a sectional view taken along the line - in FIG. 1, and FIG.
Vertical sectional view showing an example of a conventional vehicle lamp, No. 15
The figure is an exploded perspective view of the rim and protector in the same lamp. 1...Tail stop lamp, 2...Turn signal lamp, 3...Lens filter, 4...Reflex reflector, 5...Housing, 6,
7...Light chamber, 8...First inner lens, 9...Second inner lens, 10...Inner lens, 11...
... Outer lens, 12 ... Housing groove, 13
... Sealing agent, 14 ... Intermediate groove, 15 ... Housing groove, 16 ... Rim, 17 ... Screw, 18
...Protector, 19...Vehicle body panel, 22,2
3, 26, 27... light source.

Claims (1)

[Scope of utility model registration request] A vehicular lamp comprising: a lens attached to a front opening of a housing having a wrap-around portion on one side; a rim disposed at the edge of the lens; and a protector attached to an outer end of the rim, the wrap-around portion side An elongated triangular pin extending along the general drawing direction of the mold is provided on the inside of the rim in the section, and after fitting the pin into the mounting hole formed in the protector, the triangular top portion of the pin is inserted into the mounting hole formed in the protector. A vehicle lamp in which the protector is attached to the rim by heat caulking.