JP2002144951A - Automobile headlight - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automobile headlight which can be easily assembled without requiring separate parts and tools for assembling. SOLUTION: In the automobile headlight, a lighting fixture housing 4 is mounted to radiator core support 1 made of resin. An engagement means 2 constituted by a mounting hole of a key hole shape continuously provided with a guide groove 2b bent-formed to a circular hole 2a is provided on the radiator core support 1. A mounting member 5 is projectingly provided on a back surface of the lighting fixture housing 4 and is engaged and fixed with the engagement means 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automotive headlamp, and more particularly, to an automotive headlamp having an improved structure for mounting a lamp housing to a radial core support.

[0002]

2. Description of the Related Art FIG. 11 shows a conventional automotive headlamp. Attachment holes 40 are formed at four locations of the lamp attachment position of the radial core support 1 formed of an elastic resin material. Insert bolts 41 are provided at four places on the rear surface of the lamp housing 4. Lighting housing 4
In order to mount the nut, an insert bolt 41 is inserted into the mounting hole 40, and a nut (not shown) is screwed into the insert bolt 41 from the back surface of the radio core support 1 to be fixed.

[0003]

The above-mentioned conventional headlamp for an automobile is fixed with a nut or the like, so a tightening tool is required. The nut is held with one hand and the other hand. With a tightening tool, two workers are needed because the hand holding the lamp housing 4 is not enough.
Further, since a large number of vehicle body parts are laid out on the back side of the radial core support 1, it is difficult to insert a nut tightening tool, and the work is difficult. As described above, separate components such as nuts are required, and work efficiency is not good. Therefore, there is a problem that costs are increased.

The present invention has been made in view of the above points, and does not require separate parts and tools for mounting.
It is an object of the present invention to provide a vehicle headlamp in which an assembling operation is also easy.

[0005]

According to one aspect of the present invention, there is provided an automotive headlamp in which a lamp housing is mounted on a resin-made radial core support. An engaging means having a guide groove is provided on the support, and a mounting member is projected from a back surface of the lamp housing, and the lamp housing is mounted by engaging and fixing the mounting member to the engaging means. It is characterized by the following.

Therefore, according to the first aspect of the present invention, it is possible to assemble the lamp housing by only engaging operation without using separate parts such as bolts and nuts, and without using a tool for tightening. Becomes

According to a second aspect of the present invention, there is provided an automotive headlamp in which a lamp housing is mounted on a resin-made radio core support, wherein a mounting hole is formed in the radio core support. A cylindrical portion communicating with the inside of the housing is formed on the back surface of the housing, and packing is inserted into the cylindrical portion to align the cylindrical portion with the mounting hole, and is engaged with the cylindrical portion from the back side of the radio core support. The lamp housing is attached such that the packing is tightened by an engaging member.

Therefore, according to the second aspect of the present invention, it is possible to assemble the lamp housing without using separate parts such as bolts and nuts, tools for fastening, and the like.
By tightening the packing, watertightness between the lamp housing and the radial core support can be achieved.

According to a third aspect of the present invention, there is provided the vehicle headlight according to the first aspect, wherein the engaging means has a keyhole shape in which a guide groove formed by bending a circular hole is connected. The mounting member has a configuration in which a cylinder is formed at a predetermined interval on a shaft portion, and a portion of the interval between the cylinders is fitted into the guide groove. Is what you do.

Therefore, according to the third aspect of the present invention, the lamp housing can be mounted by inserting the mounting member into the mounting hole and fitting it into the guide groove.

According to a fourth aspect of the present invention, in the vehicle headlight according to the first aspect, the engaging means has a U-shaped guide groove formed in a projecting plate from the radio core support. An elastic clip piece is formed on the protruding plate so as to protrude into the guide groove, and is configured to engage the mounting member with the clip piece.

According to the fourth aspect of the present invention, the mounting of the lamp housing is performed by bending the elastic clip piece to fit the mounting member into the guide groove and preventing the mounting member from coming off when the elastic clip piece returns. Can be.

According to a fifth aspect of the present invention, there is provided the vehicle headlight according to the second aspect, wherein the cylindrical portion is formed by a lamp insertion portion into which a socket assembly is inserted. The joining member is characterized in that the socket assembly is provided with an engagement projection.

Therefore, according to the fifth aspect of the present invention, the lamp housing can be attached and detached by attaching and detaching the socket assembly when replacing the lamp.

According to a sixth aspect of the present invention, there is provided the headlamp for an automobile according to the second aspect, wherein the cylindrical portion is a lamp insertion portion into which a socket assembly is inserted, and a screw portion is provided on an outer peripheral portion thereof. The engaging member is a cap that is screwed into the lamp insertion portion protruding from the mounting hole to the rear side of the radial core support.

Therefore, in the invention according to the sixth aspect, the lamp housing can be attached and detached by attaching and detaching the cap when replacing the lamp.

[0017]

Embodiments of the present invention will be described below with reference to the drawings. The same members or those having the same functions as those in FIG. 11 are denoted by the same reference numerals.

FIG. 1 and FIG. 2 show a first embodiment of the present invention. Attachment holes 2 at four places where the lamps are attached to the radial core support 1 formed of an elastic resin material.
Are formed. As shown in FIG. 2A, the mounting hole 2 has a keyhole shape in which a substantially right-angled guide groove 2b is connected to a lower part of an upper circular hole 2a. Projections 3 are formed above and below the vicinity of the end of the guide groove 2b opposite to the circular hole 2a.

At the rear surface of the lamp housing 4, mounting members 5 are integrally formed at four places. As shown in FIG. 2B, the mounting member 5 is formed by forming three cylinders 7 at a predetermined interval t (corresponding to the thickness of the radial core support 1) on the shaft portion 6.

To mount the lamp housing 4, the mounting member 5 is inserted into the circular hole 2 a of the mounting hole 2, and is moved along the guide groove 2 b while the portion at the interval t matches the radius core support 1. This movement is performed simultaneously for the four mounting members 5. As a result, the portion at the interval t is fitted into the radial core support 1 above and below the guide groove 2b, and the shaft portion 6 is fixed to the end of the guide groove 2b by press-fitting between the projections 3 and 3. At this time, by providing a plurality of columns 7, the mounting position of the lamp housing 4 in the depth direction can be changed depending on which interval t is used.

As described above, in the present embodiment, the mounting member 10 of the lamp housing 4 is engaged with the mounting hole 2 so as to be mounted on the radial core support 1. Therefore, separate parts such as bolts and nuts are required. And the lamp housing 4 can be engaged only by using the engaging operation without using any tightening tool or the like.
Can be assembled.

FIGS. 3 to 5 show a second embodiment of the present invention. Clip-shaped engaging portions 24 are formed at four positions of the radial core support 1 at the lamp mounting positions. The clip-shaped engaging portion 24 has a U-shaped guide groove 26 formed in a projecting plate 25 from the radial core support 1, and an elastic clip piece 27 is placed on the projecting plate 25 so as to project into the guide groove 26. It is a structure formed integrally.

Mounting members 28 are provided above and below the rear portion of the lamp housing 4. The mounting member 28 has a flange 31 formed in the middle of the shaft portion 30.

To mount the lamp housing 4, the shaft portion 30 of the mounting member 28 is inserted into the guide groove 26 and pushed in, thereby moving the shaft portion 30 while bending the elastic clip piece 27, and the shaft portion 30 is elastically moved. Guide groove 2 with clip piece 27
It is fixed by being pressed against the bottom of 6 and stopped. At this time, the mounting position in the vertical direction can be adjusted depending on whether the used portion of the shaft portion 30 is a portion above or below the flange 31.

FIGS. 6 to 8 show a third embodiment of the present invention. Clip-shaped engaging portions 34 are formed at four positions of the radial core support 1 where the lamps are mounted. The clip-like engaging portion 34 has a guide groove 26 formed on the protruding plate 25 from the radio core support 1.
The elastic clip piece 37 is formed integrally with the protruding plate 25 so as to conform to the above. A plurality of V-shaped uneven portions 37a are formed on the inner surface of the clip piece 37.

Mounting members 28 are provided above and below the rear part of the lamp housing 4. The mounting member 28 is formed by forming a flange 31 in the middle of a shaft portion 30 having a mountain-shaped rib 30a formed on a side portion to be engaged with an uneven portion 37a.

To mount the lamp housing 4, the shaft portion 30 of the mounting member 28 is inserted into the guide groove 26 and pushed in, so that the elastic clip piece 37 is moved by the shaft portion 30 while being bent. The rib 30a of the shaft portion 30 is engaged and fixed at any one of the positions. The depth of the lamp housing 4 can be adjusted by the engagement position, and the mounting position in the vertical direction can be adjusted depending on whether the used portion of the shaft portion 30 is above or below the flange 31. .

As described above, in the second and third embodiments, the lamp housing 4 is attached to the clip-like engaging portions 24 and 34.
Is mounted on the radial core support 1 by engaging the mounting member 28, so that separate parts such as bolts and nuts are not required, and the lamp is only provided by the engaging means without using any tightening tool or the like. The housing 4 can be assembled.

FIG. 9 shows a fourth embodiment of the present invention. Attachment holes 8 are formed at three places on the radial core support 1 where the lamps are attached. On the rear surface of the lamp housing 4, three lamp insertion portions 10 are integrally formed as cylindrical portions. Front lamp socket assembly 11
Comprises a socket 12 and a valve 13. Socket 1
2 has a flange 15 formed on the rear part of the bulb mounting part 14 and a projection 16 formed on the outer periphery of the bulb mounting part 14 to constitute an engaging member that engages with the lamp insertion part 10.

In order to mount the lamp housing 4, the packing 17 is inserted into the lamp insertion portion 10 so that the lamp housing 4 is aligned with the mounting hole 8. By press-fitting into the projection 10, the projection 16 bites into the lamp insertion part 10 and is fixed. Thus, the radial core support 1 is sandwiched between the packing 17 and the flange 15 of the socket assembly 11, and watertightness between the lamp housing 4 and the radial core support 1 can be achieved by the reaction force of the bending of the packing 17.
At this time, by making the inner diameter of the mounting hole 8 larger than the outer diameter of the lamp insertion part 10, the mounting position of the lamp housing 4 can be finely adjusted.

As described above, in the present embodiment, the lamp housing 4 is mounted on the radial core support 1 using the lamp insertion portion 10 and the socket assembly 11, so that separate parts such as bolts and nuts are used. The lamp housing 4 does not need to be used and does not use any fastening tool or the like.
Can be assembled.

FIG. 10 shows a fifth embodiment of the present invention. One mounting hole 18 is formed at the lamp mounting position of the radial core support 1. On the rear surface of the lamp housing 4, one cylindrical portion is formed so as to protrude. This tube is
The lamp insertion portion 10 into which the socket assembly is inserted is formed by engraving a screw portion 20 on an outer peripheral portion thereof. The screw portion 20 is provided for performing a cap attaching / detaching operation at the time of valve replacement.

In order to mount the lamp housing 4, the packing 21 is inserted into the screw portion 20, the mounting is set in the mounting hole 18, and the cap 22 having the female screw 21 is screwed into the screw portion 20 from the rear of the radial core support 1. Thereby, the radial core support 1 is sandwiched between the packing 21 and the cap 22, and the watertightness between the lamp housing 4 and the radial core support 1 can be achieved by the reaction force of the bending of the packing 21.
By making the diameter of the mounting hole 18 larger than the outer diameter of the screw portion 20, fine adjustment of the mounting position of the lamp housing 4 becomes possible.

As described above, in the present embodiment, the lamp housing 4 is attached to the radial core support 1 by using the screw portion 20 for lamp replacement and the cap 22, so that separate parts such as bolts and nuts are provided. And the lamp housing 4 without using any tightening tools or the like.
Can be assembled.

[0035]

As described in detail above, according to the first aspect of the present invention, the mounting member on the back surface of the lamp housing is engaged and fixed to the engaging means of the radial core support. No separate parts such as nuts are required, and the lamp housing can be assembled only by the engagement operation without using any tightening tool or the like.

According to the second aspect of the present invention, the lamp housing is attached to the cylindrical portion formed on the back surface of the lamp housing by fastening the packing with an engaging member engaged from the back side of the radial core support. With this configuration, the lamp housing can be assembled without using separate parts such as bolts and nuts, tools for fastening, and the like, and watertightness between the lamp housing and the radial core support can be achieved.

According to the third aspect of the present invention, since the mounting member of the lamp housing is fitted into the keyhole-shaped mounting hole in which the guide groove is connected to the circular hole, the mounting member is inserted into the mounting hole. The lamp housing can be mounted simply by moving the lamp housing to the guide groove.

According to the fourth aspect of the present invention, a U-shaped guide groove is formed on the projecting plate from the radial core support, and an elastic clip piece is formed so as to project from the guide groove. Since the mounting member is engaged with the piece, the lamp housing can be mounted only by fitting the mounting member into the guide groove.

According to the fifth aspect of the present invention, the socket assembly provided with the engagement projection is fitted into the projection, which is the lamp insertion portion, so that the socket assembly can be detached when the lamp is replaced. The lamp housing can be mounted simply by operation.

According to the sixth aspect of the present invention, the cap is screwed into the screw portion of the lamp insertion portion into which the socket assembly is inserted. Can be installed.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a first embodiment of a vehicle headlamp according to the present invention.

FIGS. 2A and 2B show main parts of FIG. 1, wherein FIG. 2A is an enlarged front view of a mounting hole, and FIG. 2B is an enlarged perspective view of a mounting member.

FIG. 3 is an exploded perspective view showing a second embodiment of the automotive headlamp according to the present invention.

FIG. 4 is a perspective view showing details of a main part of FIG. 3;

FIG. 5 is a plan view showing the operation of the main part of FIG. 3;

FIG. 6 is an exploded perspective view showing a third embodiment of the automotive headlamp according to the present invention.

FIG. 7 is a perspective view showing details of a main part of FIG. 6;

FIG. 8 is a plan view showing the operation of the main part of FIG. 6;

FIG. 9 is an exploded perspective view showing a fourth embodiment of the automotive headlamp according to the present invention.

FIG. 10 is an exploded perspective view showing a fifth embodiment of the automotive headlamp according to the present invention.

FIG. 11 is an exploded perspective view of a conventional automotive headlamp.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Radi core support 2 Mounting hole (engaging means) 2a Circular hole 2b Guide groove 4 Lamp housing 5 Mounting member 7 Cylinder 8, 18 Mounting hole 10 Lamp insertion part (tube part) 17 Packing 20 Screw part 11 Socket assembly Joint member) 22 Cap (engaging member) 25 Projection plate 26 Guide groove 27 Elastic clip piece

Claims (6)

[Claims] 1. An automotive headlamp in which a lamp housing is mounted on a resin-made radio core support, wherein the radio core support is provided with engaging means having a guide groove, and a back surface of the lamp housing is provided. A headlight for an automobile, wherein a mounting member is protruded from the lamp housing, and the lamp housing is mounted by engaging and fixing the mounting member to the engaging means. 2. A headlight for an automobile in which a lamp housing is mounted on a resin-made radio core support, wherein a mounting hole is formed in the radio core support, and an inside of the housing is provided on a back surface of the lamp housing. A tubular portion communicating with the tubular portion is formed, a packing is inserted into the tubular portion to match the tubular portion with the mounting hole, and the packing is engaged with the tubular portion from the back side of the radio core support by the engaging member. A headlight for an automobile, wherein the lamp housing is mounted so as to be fastened. 3. The engaging means comprises a keyhole-shaped mounting hole in which a guide groove formed by bending a circular hole is connected.
2. The vehicle according to claim 1, wherein the mounting member has a configuration in which a column is formed at a predetermined interval on a shaft portion, and a portion of the column is inserted into the guide groove. Headlights. 4. The engaging means has a U-shaped guide groove formed on a projecting plate from the radial core support, and an elastic clip piece is formed on the projecting plate so as to project from the guide groove. 2. The automotive headlight according to claim 1, wherein the mounting member is configured to be engaged with a clip piece. 5. The cylinder part is formed of a lamp insertion part into which a socket assembly is inserted, and the engagement member is
The automotive headlight according to claim 2, wherein the socket assembly is provided with an engagement projection. 6. The cylindrical portion is a lamp insertion portion into which a socket assembly is inserted, and is formed by engraving a screw portion on an outer peripheral portion thereof. 3. The headlight for a vehicle according to claim 2, wherein the cap is a cap screwed into the lamp insertion portion protruding to the back side of the support.