JP2005096699A - Aiming device for vehicle lamp - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an aiming device for a vehicle lamp capable of being constructed compactly despite its arrangement in which the engaging direction of an aiming bracket with a vehicle body is parallel with the tool inserting direction. <P>SOLUTION: The aiming device for the vehicle lamp is structured so that a working hole 2331 (2551) to admit a a tool D to pass through an engaging hole 311 formed in a bumper (vehicle body) 30 is provided for engagement of the tool D with an aiming screw 21 in the aiming bracket 23 to support the aiming screw 21 or in the engagement part 233 (255) formed in an engaging member 25 for engaging the aiming bracket 523 with the vehicle body, wherein the inserting direction of the lamp 10 is made identical to the mounting direction of the aiming bracket 23 or the engaging member 25 on the vehicle body, and further with it, the tool inserting direction is arranged to be parallel. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to an aiming device for adjusting an irradiation angle of a vehicle lamp.

Some fog lamps attached to a front bumper of a vehicle can adjust an irradiation angle by an aiming device. As an example of such a fog lamp, what is described in Japanese Patent Application Laid-Open No. 2001-171424 (hereinafter referred to as “Patent Document 1”) will be described. In addition, the name and code | symbol in the following description are used by patent document 1, and the corresponding drawing is abbreviate | omitted.
The front bumper cover 12 is formed with a concave lamp support portion 14 protruding rearward of the vehicle. The front fog lamp 10 is mounted in the lamp support portion 14 so as to be rotatable in the vertical direction. A resin nut 40 is provided on the lamp body 24 of the front fog lamp 10, and a tip end portion 34 </ b> A of the aiming screw 34 is screwed to the resin nut 40.
The aiming screw 34 extends in the vertical direction so that the head 34 </ b> B is positioned below, and the head 34 </ b> B is pivotally supported by the aiming bracket 42. The aiming bracket 42 has a convex portion 44 provided with an engaging claw 44 </ b> A on the outer peripheral portion thereof protruding rearward, and the convex portion 44 is inserted into the mounting hole 18 formed in the lamp support portion 14. 44A is engaged with the peripheral edge of the mounting hole 18. Thereby, the aiming bracket 42 is locked to the lamp support portion 14.

When the front fog lamp 10 is attached to the front bumper cover 12, it is inserted into the lamp support portion 14 from the front of the vehicle. At the same time, the convex portion 44 of the aiming bracket 42 is inserted into the mounting hole 18 of the lamp support portion 14, and the aiming bracket 42 is locked to the lamp support portion 14.
In order to adjust the irradiation angle of the front fog lamp 10, a tool such as a driver is engaged with the head 34B of the aiming screw 34 through the work hole 41 formed in the lamp support portion 14 from below the front bumper cover 12, and the aiming screw 34 is engaged. Rotate.
JP 2001-171424 A

As in the structure described in Patent Document 1, the mounting direction of the lamp and the locking direction of the aiming bracket to the vehicle body are matched so that the aiming bracket is locked to the vehicle body simultaneously with the lamp mounting, and In order to simplify the structure of the aiming device, it is desirable to make the axial direction of the aiming screw parallel to the insertion direction of the tool.
By the way, according to this condition, as shown in FIG. 7, the lamp 910 is mounted in the opening formed in the bumper 30, and a part of the front surface of the lamp 910 is covered with the peripheral edge 305 of the opening of the bumper 30. Therefore, in the case of a structure in which the lamp 910 must be mounted from above the bumper in order to adjust the irradiation angle in the vertical direction of the lamp 910, the locking direction of the aiming bracket to the vehicle body and the aiming Both the axial direction of the screw, that is, the insertion direction of the tool is the vertical direction. However, in this case, in order to ensure the insertion path of the tool, the locking portion of the aiming bracket to the vehicle body must be disposed at a position shifted from the axis of the aiming screw, which causes a problem that the aiming device becomes large.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a compact aiming device in spite of the fact that the locking direction of the aiming bracket to the vehicle body and the tool insertion direction are parallel.

  According to a first aspect of the present invention, there is provided an aiming device for a vehicle lamp, wherein one end of the aiming screw is engaged with a lamp supported by a vehicle body, and a tool is engaged with the other end to rotate the aiming screw. And an aiming bracket that rotatably supports the other end of the aiming screw and is locked to the vehicle body, and the aiming bracket holds the other end of the aiming screw rotatably. And a locking part that is locked to the locking hole of the vehicle body, and an aiming device for a vehicle lamp that changes an angle of the lamp with respect to the vehicle body by rotating the aiming screw, The locking part of the aiming bracket is allowed to pass through the locking hole of the vehicle body in order to engage the tool with the other end of the aiming screw. Characterized in that the working hole is formed.

  In addition, the aiming device for a vehicle lamp according to claim 2 of the present invention has one end screwed into a lamp supported by the vehicle body, and can be rotated by meshing a tool with the other end. An aiming screw, an aiming bracket that rotatably supports the other end of the aiming screw, and a locking member for locking the aiming bracket to the vehicle body, the locking member comprising: A first locking portion that is locked to the aiming bracket; and a second locking portion that is locked to the locking hole of the vehicle body. An aiming device for a vehicular lamp that changes an angle, wherein the tool engages with the second engaging portion of the engaging member so that the tool engages with the other end of the aiming screw. Wherein the operation hole to allow through the is formed.

  According to the aiming device for a vehicle lamp of the present invention, since the locking portion of the aiming bracket can be disposed on the axis of the aiming screw, the locking direction of the aiming bracket to the vehicle body is parallel to the tool insertion direction. Nevertheless, the aiming device can be made compact.

  Next, an embodiment of an aiming device for a vehicle lamp according to the present invention will be described below with reference to the drawings.

  A vehicle lamp aiming device according to a first embodiment of the present invention will be described with reference to FIGS.

As shown in FIG. 1, the vehicle lamp 10 includes a lamp body 11, a lens 12 that covers the front opening of the lamp body 11, and a light bulb B, a socket S, and the like. The upper edge 305 of the opening 35 is attached so as to overlap the opening 35 of the bumper 30 as viewed from the front.
A lamp support 301 is provided in the opening 35 as shown in FIG. The lamp support portion 301 includes left and right side wall portions 302 and 302 extending rearward from the side edge of the opening portion 35, a lower wall portion 303 extending rearward from the lower edge of the opening portion 35, and the lower wall portion 303. It consists of a rear wall 31 rising from the rear end, and the upper part is open. The lamp 10 is attached to the lamp support 301 from above.

The lamp body 11 of the lamp 10 is composed of left and right side walls 111, 111, a rear wall 113, and upper and lower walls. The lamp body 11 has a box shape that opens at the front, and the front opening is covered with the lens 12. . As shown in FIG. 2, shafts 115, 115 project from the left and right side walls 111 of the lamp body 11.
The shaft portions 115 and 115 are rotatably fitted to bearing portions 33 and 33 provided on both side wall portions 302 and 302 of the lamp support portion 301, whereby the lamp 10 is fitted to the lamp support portion 301 with its optical axis. Is supported so as to be rotatable about a rotation axis J so as to change in the vertical direction.
On the rear wall 113 of the lamp body 11, a plate-like arm portion 117 that protrudes rearward at a position that does not interfere with the socket S is formed. The arm portion 117 is provided with a hole 1175, and a nut 1171 is fitted in the hole 1175 so as not to rotate.

  The aiming device 201 of the first embodiment includes an aiming screw 21 whose shaft portion 212 is screwed into the nut 1171, an aiming bracket 23 that supports the head 211 of the aiming screw 21 and is locked to the bumper 30. It consists of and.

The aiming screw 21 is arranged such that its axial direction is the vertical direction and the head 211 is located at the lower end. A threaded portion that is screwed into the nut 1171 is formed at the tip of the shaft portion 212 of the aiming screw 21. The head 211 of the aiming screw 21 has a substantially spherical shape, and a cross-shaped recess that engages with the tip of the tool D (plus driver) is formed on the lower surface.
As shown in FIGS. 3 and 4, the aiming bracket 23 includes a substantially rectangular block-shaped holding portion 231 that rotatably holds the head 211 of the aiming screw 21, and a lower surface 2317 of the holding portion 231. And a locking projection (corresponding to the locking portion of claim 1) 233 that protrudes and engages with a rectangular locking hole 311 provided in the lower wall portion 303 of the lamp support portion 301.

Inside the holding portion 231, a ball receiving portion 2311 into which the head 211 of the aiming screw 21 is fitted, and a through hole 2312 through which the aiming screw 21 is inserted from the ball receiving portion 2311 to above the holding portion 231. A working hole 2331 that opens from the ball receiving portion 2311 to the lower portion of the holding portion 231 is formed on the same central axis. The working hole 2331 passes through the locking projection 233 and penetrates to the lower end of the locking projection 233, and the tool D can be inserted through the working hole 2331 to a position where it engages with the head 211 of the aiming screw 21.
A circular protrusion 2316 provided on the rear wall 31 of the lamp support 301 and fitted in a U-shaped guide groove 313 (see FIG. 6) opened upward is provided on the rear wall 2315 outside the holding portion 231. It is provided so as to protrude.

  The locking projection 233 includes a hollow prismatic shaft portion 2332 in which the working hole 2331 is formed, and a locking claw 2333 formed on two opposite side walls of the shaft portion 2332. The shaft portion 2332 is inserted into the locking hole 311 of the lamp support portion 301, and the locking claw 2333 is engaged with the peripheral edge of the locking hole 311. When the shaft portion 2332 is inserted into the locking hole 311, the locking claw 2333 is bent into the shaft portion 2332 to allow the shaft portion 2332 to be inserted into the locking hole 311, and the shaft portion 2332 is inserted into the locking hole 311. After the insertion, the shape is restored and engaged with the peripheral edge of the locking hole 311 to prevent the shaft portion 2332 from escaping from the locking hole 311.

Next, a method for assembling the lamp 10 to the bumper 30 will be described.
Before assembling the lamp 10 to the bumper 30, the shaft portion 212 of the aiming screw 21 is screwed into the nut 1171, the head 211 of the aiming screw 21 is fitted into the ball receiving portion 2311 of the aiming bracket 23, and the aiming device 201 is inserted into the lamp 10 is assembled.
Then, the lamp 10 is gradually lowered from the direction of arrow A shown in FIG. 1 toward the lamp support portion 301, and the shaft portions 115 and 115 are fitted to the bearing portions 33 and 33 of the lamp support portion 301.
At the same time, while the projection 2316 of the aiming bracket 23 is fitted into the guide groove 313 of the lamp support portion 301, the locking projection 233 is inserted into the locking hole 311 of the lamp support portion 301, and the engaging claw 2333 is inserted into the lamp support portion 301. The aiming bracket 23 is fixed to the lamp support portion 301 by engaging with the back surface of the lower wall portion 303.

When the vertical irradiation angle of the lamp 10 attached to the bumper 30 is adjusted in this way, the tip of the tool (plus driver) D is inserted from the lower side of the bumper 30 indicated by the arrow B in FIG. The tool D is turned to rotate the aiming screw 21 by engaging with the cross-shaped recess provided in the head 211 of the aiming screw 21 through the locking hole 311 of the lamp support portion 301 by being inserted into the work hole 2331 provided on the head. Move.
When the aiming screw 21 is rotated, the nut 1171 screwed into the shaft portion 212 of the aiming screw 21 moves upward or downward with respect to the aiming screw 21. When the nut 1171 moves in the vertical direction, the arm portion 117 is moved upward or downward via the nut 1171.
When the arm portion 117 moves in the vertical direction, the lamp 10 rotates in the vertical direction about the rotation axis J, and as a result, the irradiation angle of the lamp 10 is changed.

Next, a second embodiment of the aiming device for a vehicle lamp according to the present invention will be described with reference to FIGS. In addition, the same thing as the aiming apparatus 201 of the vehicle lamp demonstrated in 1st Embodiment attaches | subjects the same code | symbol, and demonstrates only a different part.
The aiming device 202 according to the second embodiment includes an aiming screw 21 whose shaft portion 212 is screwed into the nut 1171, an aiming bracket 523 that holds the head 211 of the aiming screw 21, and a bumper that supports the aiming bracket 523. It is comprised from the latching member 25 for latching to 30.

The aiming screw 21 is the same as that of the first embodiment.
As shown in FIG. 6, the aiming bracket 523 includes a substantially rectangular block-shaped holding portion 5231 and a locking projection 5232 that protrudes rearward from the rear surface of the holding portion 5231.
Inside the holding portion 5231, a ball receiving portion 52311 with which the head 211 of the aiming screw 21 is fitted, and a through hole 52312 through which the aiming screw 21 is inserted from the ball receiving portion 52311 above the holding portion 5231. And a working hole 52313 that opens from the ball receiving portion 52311 to the lower side of the holding portion 5231 is formed on the same central axis.
The locking projection 5232 includes a cylindrical shaft portion with a tapered tip, and a flange portion formed at an axially intermediate portion of the shaft portion.

As shown in FIG. 6, the locking member 25 includes a rear wall 2515 and a bottom wall 2517 connected so as to have an L-shaped cross section, and left and right walls connecting the left and right edges of the rear wall 2515 and the bottom wall 2517. 2519, 2519.
The rear wall 2515 is provided with a locking hole 2512 (corresponding to the first locking portion of claim 2) in which the locking projection 5232 of the aiming bracket 523 is locked. The periphery of the locking hole 2512 is a flange 251 that protrudes rearward.
The aiming bracket 523 is locked to the locking member 25 by inserting the shaft portion of the locking projection 5232 into the locking hole 2512 and engaging the flange portion of the locking projection 5232 with the rear end of the flange 521. ing.
Further, a U-shaped guide groove 313 that opens upward is provided in the rear wall portion 31 of the lamp support portion 301, and the flange 251 is fitted into the guide groove 313.

The bottom wall 2517 of the locking member 25 protrudes downward from the bottom surface of the bottom wall 2517 and engages with a rectangular locking hole 311 provided in the lower wall portion 303 of the lamp support portion 301. (Corresponding to the second locking portion of item 2) 255 is provided. The locking projection 255 includes a hollow prismatic shaft portion 2552 in which a work hole 2551 is formed, and a locking claw 2553 formed on two opposite side walls of the shaft portion 2552. The shaft portion 2552 is inserted into the locking hole 311 of the lamp support portion 301, and the locking claw 2553 is engaged with the peripheral edge of the locking hole 311.
When the shaft portion 2552 is inserted into the locking hole 311, the locking claw 2553 is bent into the shaft portion 2552 to allow the shaft portion 2552 to be inserted into the locking hole 311, and the shaft portion 2552 is inserted into the locking hole 311. After the insertion, the shape is restored and engaged with the periphery of the locking hole 311 to prevent the shaft portion 2552 from escaping from the locking hole 311.

Next, a method for assembling the lamp 10 to the bumper 30 will be described.
Before the lamp 10 is assembled to the bumper 30, the shaft portion 212 of the aiming screw 21 is screwed into the nut 1171, the head portion 211 of the aiming screw 21 is fitted into the ball receiving portion 52311 of the aiming bracket 523, and the aiming bracket 523. The locking projection 52332 is inserted into the locking hole 2512 of the locking member 25 and locked to the locking member 25 so that the holding portion 5231 is accommodated between the left and right walls 2519 of the locking member 25. The aiming device 202 is assembled to the lamp 10 in advance.

Then, the ramp 10 is gradually lowered toward the bumper 30 in the same manner as in FIG. 1, and the shaft portions 115 and 115 are fitted to the bearing portions 33 and 33 of the bumper 30.
At the same time, in a state where the aiming screw 21, the aiming bracket 523, and the locking member 25 are connected, the flange 251 of the locking member 25 is fitted into the guide groove 313 of the lamp support portion 301, and the locking of the locking member 25 is performed. The protrusion 255 is inserted into the locking hole 311 of the lamp support portion 301 and the engaging claw 2553 is engaged with the back surface of the lower wall portion 303 of the lamp support portion 301 to fix the locking portion 25 to the lamp support portion 301.

When adjusting the vertical irradiation angle of the lamp 10 attached to the bumper 30 in this way, the working hole 2551 in which the tip of the tool D is provided in the locking projection 255 from below the bumper 30 shown by the arrow B in FIG. Is inserted through the locking hole 311 of the lamp support portion 301 and further into the work hole 52313 of the aiming bracket 523, and the tip of the tool D is provided in the cross-shaped recess provided in the head 211 of the aiming screw 21. , The tool D is rotated and the aiming screw 21 is rotated.
When the aiming screw 21 is rotated, the nut 1171 screwed into the shaft portion 212 of the aiming screw 21 moves upward or downward with respect to the aiming screw 21. When the nut 1171 moves in the vertical direction, the arm portion 117 is moved upward or downward via the nut 1171.
When the arm portion 117 moves in the vertical direction, the lamp 10 rotates in the vertical direction about the rotation axis J, and as a result, the irradiation angle of the lamp 10 is changed.

  In addition, this invention is not limited to the thing of the said embodiment, A various change is possible in the range which does not deviate from the meaning.

  In the present invention, the tool locks the vehicle body so that the tool is engaged with the aiming screw in the aiming bracket for supporting the aiming screw or the locking portion provided in the locking member for locking the aiming bracket to the vehicle body. Since the working hole allowing passage through the hole is formed, the locking portion of the aiming bracket can be arranged on the insertion path of the tool, and the aiming device can be configured compactly. Therefore, it can be used for a vehicle having a small lamp mounting space.

It is side surface sectional drawing which showed the attachment state of the aiming apparatus of the vehicle lamp which concerns on the 1st Embodiment of this invention. It is the plane sectional view showing the attachment state of the aiming device of the vehicular lamp concerning a 1st embodiment of the present invention. It is side surface sectional drawing of the aiming bracket which comprises the aiming apparatus of the vehicle lamp which concerns on the 1st Embodiment of this invention. It is a perspective view of the aiming bracket which comprises the aiming apparatus of the vehicle lamp which concerns on the 1st Embodiment of this invention. It is an expanded side sectional view of the aiming device of the vehicular lamp concerning a 2nd embodiment of the present invention. It is a disassembled perspective view of the aiming apparatus of the vehicle lamp which concerns on the 2nd Embodiment of this invention. It is side surface sectional drawing which shows the attachment relationship of the conventional vehicle body and a vehicle lamp.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Vehicle lamp 11 Lamp body 201, 202 Aiming device 21 Aiming screw 23, 523 Aiming bracket 231 Holding part 233 Locking protrusion (locking part)
25 Locking member 2512 Locking hole (first locking part)
255 Locking projection (second locking part)
2331, 2551 Work hole 30 Bumper (vehicle body)
301 Lamp support part 311 Locking hole D Driver (tool)

Claims (2)

An aiming screw that has one end screwed into a lamp supported by the vehicle body and that can be rotated by engaging a tool with the other end, and rotatably supports the other end of the aiming screw. With the aiming bracket to be locked,
The aiming bracket includes a holding portion that rotatably holds the other end of the aiming screw, and a locking portion that is locked to a locking hole of the vehicle body,
A vehicle lamp aiming device that changes an angle of the lamp with respect to the vehicle body when the aiming screw is rotated,
A working hole is formed in the locking portion of the aiming bracket to allow the tool to pass through the locking hole of the vehicle body in order to mesh the tool with the other end of the aiming screw. Aiming device for vehicle lamp. An aiming screw having one end screwed to a lamp supported by the vehicle body and capable of rotating by engaging a tool with the other end; and an aiming bracket for rotatably supporting the other end of the aiming screw; A locking member for locking the aiming bracket to the vehicle body,
The locking member includes a first locking portion locked to the aiming bracket and a second locking portion locked to the locking hole of the vehicle body,
A vehicle lamp aiming device that changes an angle of the lamp with respect to the vehicle body when the aiming screw is rotated,
A working hole is formed in the second locking portion of the locking member to allow the tool to pass through the locking hole of the vehicle body in order to mesh the tool with the other end of the aiming screw. A vehicle aiming device for a lamp.

Images