JP3581045B2 - Fog light mounting structure - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fog lamp mounted on a bumper of a vehicle, and more particularly, to a mounting structure of an optical axis adjustable fog lamp.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, there is a vehicle in which a fog lamp is integrally attached to a front bumper of a vehicle. FIG. 3 shows a conventional example of this type of fog lamp mounting structure. In the front bumper B, mounting holes 3A for inserting the fog lamps 1A are formed near both left and right ends of the front surface (only one of them is shown in the figure). The mounting hole 3A has a cylindrical shape that opens in front of the front bumper B and protrudes toward the rear side of the bumper B, and has a pair of left and right fixing flanges 33 projecting inward at the rear end. The fog lamp 1A is inserted into the mounting hole 3A from the front thereof, and the rear surface thereof is fixed to the fixing flange 33 by screwing with a tapping screw S or the like from the back side.
[0003]
Further, as shown in FIG. 4, the upper and lower surfaces of the fog lamp 1A are formed with tapered projections 12a and 12b each having a smaller width toward the rear while forming the peripheral wall 30 of the mounting hole 3A. walls 30a and lower wall 30b to the protrusion portion 12a, a concave tapered accept 12b for positioning the fog lamp 1A receiving portion 34a, which provided 34b has been devised (actual fair 7-2 3 304 No. ). This is because when the fog lamp 1A is inserted into the mounting hole 3A from the front and the fog lamp 1A is screwed and fixed to the rear end of the mounting hole 3A, the positional deviation of the fog lamp 1A is corrected as the fog lamp 1A is inserted, thereby improving the mounting position accuracy. The optical axis of the fog lamp 1A is aligned.
[0004]
[Problems to be solved by the invention]
However, in the conventional structure, since the fog lamp 1A inserted from the front into the mounting hole 3A of the bumper B is screwed and fixed from the back side of the bumper B, the work is performed from both the front and back sides of the bumper B when mounting the fog lamp 1A. Workability is not good.
[0005]
Further, the optical axis of the fog lamp 1A is adjusted by positioning and fixing the fog lamp 1A in the mounting hole 3A of the bumper B, and the optical axis cannot be adjusted after the mounting. Even if the fog lamp 1A is mounted on the bumper B with high accuracy, the optical axis of the fog lamp 1A is shifted with respect to the vehicle body if the mounting accuracy of the bumper B on the vehicle body varies. In this case, in order to correct the optical axis of the fog lamp 1A, the mounting of the bumper B on the vehicle body must be corrected, which is troublesome. SUMMARY OF THE INVENTION It is an object of the present invention to provide a mounting structure of a fog lamp which has good mounting workability and can adjust an optical axis after mounting.
[0006]
[Means for Solving the Problems]
According to the present invention, in a fog lamp mounting structure for mounting a fog lamp in a fog lamp mounting hole formed in a bumper of a vehicle, the mounting hole is formed in a tubular shape that opens forward of the bumper and protrudes toward the rear side of the bumper. A pair of left and right shaft portions protruding outward is formed on both left and right side surfaces of the fog lamp. On the left and right side walls of the mounting hole, a wide portion that is located at the opening end of the mounting hole and has a distance between each other greater than the distance between the tips of the two shaft portions, and a rear portion that is located behind the wide portion, An interval is provided with a narrow portion smaller than the interval between the front ends of the two shaft portions, and a bearing hole is formed in the narrow portion so that each of the shaft portions is rotatably fitted to the narrow portion. From the edge to the front end of the narrow portion, the fog lamp can be bent outward and deformed to allow passage of the shaft when the fog lamp is inserted into the mounting hole from the front. An aiming device that inserts the fog lamp into the mounting hole and fits the shaft into the bearing hole, and rotates the fog lamp up and down about the shaft with the lower surface of the fog lamp and the lower wall of the mounting hole. (Claim 1).
[0007]
The aiming device includes a screw shaft having a tip screwed into a screw hole provided on a lower surface of the fog lamp and arranged in a front-rear direction along the lower surface, and is integrally mounted with the screw shaft by being operated by a tool attached to the screw shaft. An operating part to be rotated, and a clip rotatably engaged with the rear end of the screw shaft. When the fog lamp is inserted into the mounting hole, the clip is attached to a locking part formed on a lower wall of the mounting hole. The fog lamp is centered on both shaft portions by fitting and locking, connecting the fog lamp and the mounting hole, rotating the screw shaft via the operating portion, and moving the lower surface of the fog lamp forward or backward. (In claim 2).
[0008]
By pushing the fog lamp into the mounting hole from the front thereof, each shaft portion of the fog lamp can be smoothly fitted into each bearing hole of the mounting hole and rotatably supported. By operating the aiming device, the optical axis of the fog lamp can be adjusted.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
As shown in FIGS. 1 and 2, a fog lamp mounting hole 3 for inserting and mounting the fog lamp 1 is formed at the side end of the front surface of the front bumper B made of synthetic resin. The fog lamp mounting hole 3 is formed in a cylindrical shape that opens substantially circularly in front of the front bumper B and projects to the rear side of the front bumper B.
[0010]
The fog lamp 1 has a structure in which a front end opening of a substantially cylindrical container-shaped lamp case 10 opening forward is closed by a lens plate 11, and a bulb V protruding into the lamp case 10 is fitted into an opening at a rear end of the lamp case 10. It is crowded. The outer diameter of the lamp case 10 of the fog lamp 1 is slightly smaller than the inner diameter of the peripheral wall 30 of the mounting hole 3, and when the fog lamp 1 is inserted into the mounting hole 3, the outer peripheral surface of the lamp case 10 and the peripheral wall 30 of the mounting hole 3 There is a gap between them.
[0011]
Cylindrical shaft portions 2a and 2b projecting outward are provided at radially symmetric positions at front and rear middle positions on both left and right sides of the lamp case 10 of the fog lamp 1. The tip surfaces of the shafts 2a and 2b are tapered off in the rear half. A first projection 21 is integrally formed on the front side of each of the shafts 2a and 2b, and a second projection 22 is integrally formed on the rear side.
[0012]
The left and right side walls 40a and 40b constituting the peripheral wall 30 of the fog lamp mounting hole 3 are located at the opening ends of the mounting hole 3 and have a larger interval between each other than the interval between the tips of the shafts 2a and 2b. 41a, 41b and narrow portions 42a, 42b located behind the wide portions 41a, 41b and having a smaller interval between the ends of the shaft portions 2a, 2b are formed. The front ends of the narrow portions 42a and 42b are formed with inclined portions 4a and 4b that expand forward. Bearing holes 5a and 5b are formed at the rear ends of the inclined portions 4a and 4b to receive the front end portions of the shaft portions 2a and 2b when the fog lamp 1 is inserted into the mounting holes 3 and rotatably support the shaft portions 2a and 2b. I have.
[0013]
An elastic portion 6 is provided at a position in front of one bearing hole 5a. The elastic portion 6 cuts the side wall 40a of the mounting hole 3 in a substantially U-shape from the rear end of the wide portion 41a to the front edge of the bearing hole 5a, and separates the outer peripheral edge from the side wall 40a except for the front end to form a tongue. It is formed so that the rear end side can be bent and deformed to the outside of the side wall 40a. An inclined portion 61 inclined along the inclined portion 4a is formed at a rear end of the elastic portion 6, and a front end edge thereof faces the bearing hole 5a and forms an opening front edge of the bearing hole 5a.
[0014]
Further, the lower wall 40c of the mounting hole 3 is provided with an upright wall 7 protruding inward at a rear end thereof, and a through hole 71 is formed at the center thereof.
[0015]
Further, a wall-shaped projection 8 projecting downward is formed on the lower surface of the lamp case 10 of the fog lamp 1, and a ring-shaped grommet 80 made of synthetic resin is formed in a central through hole in the projection 8. The grommet 80 has a screw hole 81 at the center thereof. An aiming device 9 disposed in the front-rear direction along the lower surface of the lamp case 10 is attached to the projection 8.
[0016]
The aiming device 9 includes a screw shaft 91 in which a crown gear 90 that is rotated by a tool is fitted at an intermediate position. The screw shaft 91 has a distal end screwed into a screw hole 81 of a grommet 80 from behind the projection 8. . A stopper 93 for preventing the screw shaft 91 from falling off from the screw hole 81 is attached to the leading end of the screw shaft 91. The rear end of the screw shaft 91 is a spherical portion 92 having a larger diameter than the general portion, and a clip 94 is engaged with the rear end of the screw shaft 91. The clip 94 has a cylindrical shape made of a synthetic resin, and has a thick flange portion 941 formed at one end, and a locking claw 942 formed in a circumferential direction of the outer periphery facing the thick flange portion 941. The inner surface of the clip 94 at one end is a concave curved surface. The clip 94 is rotatably engaged with the screw shaft 91 by pushing the spherical portion 92 at the rear end of the screw shaft 91 from one end thereof and fitting it into the concave curved surface.
[0017]
To mount the fog lamp 1 on the front bumper B, the fog lamp 1 is inserted into the mounting hole 3 of the front bumper B from the front. As the fog lamp 1 is inserted, the shaft portion 2a contacts the inclined portion 61 of the elastic portion 6 in front of the bearing hole 5a, and the shaft portion 2b contacts the inclined portion 4b in front of the bearing hole 5b. When the fog lamp 1 is further pushed in, the tapered surface of the shaft portion 2b is guided by the inclined portion 4b, and the fog lamp 1 is slightly shifted laterally toward the shaft portion 2a. Bends when pushed out. When the shaft portion 2b climbs over the inclined portion 4b, the lateral displacement of the fog lamp 1 is corrected, and the shaft portion 2b is fitted into the bearing hole 5b, while the shaft portion 2a also climbs over the inclined portion 61 of the elastic portion 6 and receives the bearing hole 5a. And the elastic portion 6 is restored, and the shaft portions 2a and 2b are rotatably supported by the bearing holes 5a and 5b.
[0018]
When the shafts 2a and 2b are fitted into the bearing holes 5a and 5b, respectively, the first protrusion 21 and the second protrusion 22 of the shafts 2a and 2b abut around the openings of the bearing holes 5a and 5b.
[0019]
By inserting the clip 94 into the mounting hole 3, the clip 94 at the rear end of the aiming device 9 attached to the lower surface of the lamp case 10 is pressed into the through-hole 71 of the upright wall 7 at the rear end at the lower surface of the mounting hole 3 from the front. The opening edge of the through hole 71 of the upright wall 7 is engaged with the groove between the flange portion 941 and the locking claw 942. Thus, the clip 94 fitted to the upright wall 7 supports the rear end of the screw shaft 91, and the lower surface of the fog lamp 1 and the lower wall 40c of the mounting hole 3 are connected via the screw shaft 91 of the aiming device 9.
[0020]
As described above, the fog lamp 1 is simply inserted into the mounting hole 3 of the front bumper B from the front thereof and pushed in. The fog lamp 1 is supported by the peripheral wall 30 of the mounting hole 3 at three points on both sides and the lower part, and the mounting is completed. it can. Therefore, the mounting work of the fog lamp 1 does not require the work from the back side of the bumper B as in the related art, so that the mounting workability of the fog lamp 1 is improved.
[0021]
Further, the fog lamp 1 can be rotated vertically by the aiming device 9 to adjust the optical axis. To adjust the optical axis, a tool, for example, a Phillips screwdriver D is inserted from below into the working hole 32 formed in the lower wall 40 c of the mounting hole 3, and the tip of the driver D abuts the crown gear 90 in a direction orthogonal to the screw shaft 91. Engage. When the driver D is rotated to rotate the crown gear 90, the screw shaft 91 is rotated together with the crown gear 90. By the rotation of the screw shaft 91, the lower surface side of the fog lamp 1 moves forward or backward while swinging the screw shaft 91 of the aiming device 9 up and down integrally with the projection 8 into which the tip is screwed. As a result, the fog lamp 1 is rotated up and down around the left and right shaft portions 2a and 2b, and the optical axis is adjusted by adjusting the vertical angle of the fog lamp 1.
[0022]
In the fog lamp 1, the first and second protrusions 21 and 22 of the shaft portions 2 a and 2 b are respectively brought into contact with the left and right side walls 40 a and 40 b of the peripheral wall 30 of the mounting hole 3, and the fog lamp 1 is mounted in the mounting hole 3. Position in the width direction, so that there is no play in the lateral direction.
[0023]
In the above-described embodiment, the elastic portion 6 is provided only at the position immediately before one of the bearing holes 5a, but the elastic portion 6 is provided at the position immediately before the bearing holes 5a and 5b on both the left and right sides of the peripheral wall 30. You may.
[0024]
【The invention's effect】
According to the present invention, when the fog lamp is mounted on the bumper, the fog lamp can be mounted simply by pushing the fog lamp into the mounting hole of the bumper, and the workability of mounting the fog lamp can be improved. Further, the optical axis of the fog lamp can be arbitrarily adjusted after installation.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing a mounting structure of a fog lamp according to the present invention.
2A is a cross-sectional view showing a mounting structure of a fog lamp according to the present invention. FIG. 2A is a cross-sectional view taken along a line II-II in FIG. 1, and FIG. It is a longitudinal cross-sectional view in the position along line II.
FIG. 3 is an exploded perspective view showing a conventional fog lamp mounting structure.
FIG. 4 is an exploded perspective view showing another conventional fog lamp mounting structure.
[Explanation of symbols]
B Bumper 1 Fog lamps 2a, 2b Shaft portion 3 Mounting holes 40a, 40b Side walls 40c Lower walls 41a, 41b Wide portions 42a, 42b Narrow portions 5a, 5b Bearing holes 6 Elastic portions 7 Locking portions (standing walls)
8 Projection part 81 Screw part (Screw hole)
9 Aiming device 90 Operation unit (crown gear)
91 Screw shaft 94 Clip

Claims (2)

In a fog lamp mounting structure for mounting a fog lamp in a fog lamp mounting hole formed in a bumper of a vehicle, the mounting hole is formed in a tubular shape that opens in front of the bumper and protrudes to the rear side of the bumper, and is formed on each of the left and right side surfaces of the fog lamp. A pair of left and right shafts protruding outward are formed, and the left and right side walls of the mounting hole are located at the opening ends of the mounting holes, and the distance between each other is greater than the distance between the tips of the shafts. And a bearing which is located behind the wide portion and has a narrower portion where the distance between the two ends is smaller than the distance between the tips of the two shaft portions, and each of the shaft portions is rotatably fitted into the narrow portion. A hole is formed, and from the front edge of at least one of the bearing holes to the front end of the narrow portion is bent outward to allow the shaft to pass when the fog lamp is inserted into the mounting hole from the front. The fog lamp is inserted into the mounting hole and the shaft is fitted into the bearing hole, and the lower surface of the fog lamp and the lower wall of the mounting hole are caused to rotate the fog lamp up and down about the shaft. A mounting structure for a fog lamp, which is connected via an aiming device. The aiming device includes a screw shaft having a tip screwed into a screw hole provided on a lower surface of the fog lamp and arranged in the front-rear direction along the lower surface, and is integrated with the screw shaft by being operated by a tool attached to the screw shaft. An operating part to be rotated and a clip rotatably engaged at the rear end of the screw shaft, wherein the clip is attached to a locking part formed on a lower wall of the mounting hole when the fog lamp is inserted into the mounting hole. The fog lamp is centered on both the shafts by fitting and locking, connecting the fog lamp and the mounting hole, rotating the screw shaft via the operation unit, and moving the lower surface of the fog lamp forward or backward. The fog lamp mounting structure according to claim 1, wherein the fog lamp is rotated vertically.

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