JP3128621B2 - Vehicle headlights - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle for adjusting the irradiation direction of light from a light source to an appropriate state, that is, for performing so-called aiming adjustment by rotating an aiming screw using a screw driver. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headlight and a technique for facilitating engagement of an operation gear of an aiming screw with a screw driver.

[0002]

2. Description of the Related Art A reflecting mirror, whose irradiation direction of light from a light source changes by being tilted, is supported on a lamp body in a tiltable manner, and an aiming screw is provided at a part of a portion connecting the reflecting mirror and the lamp body. The so-called reflector tilting type, in which the aiming screw is used to adjust the aiming by changing the distance between the reflector and the lamp body by rotating the aiming screw using a screw driver, for example, a so-called plus driver. There are vehicle headlamps.

That is, in a vehicle headlamp of a reflecting mirror tilting type, a lamp body is defined by mounting a lens on a lamp body having a forwardly opened container shape so as to cover a front opening of the lamp body. The reflector and the lamp body are arranged to be tiltable, and the reflector and the lamp body are divided into three aiming adjustment parts and one rotation fulcrum part.
It is linked in several places. An operating gear such as a so-called crown gear is integrally formed at one end of the aiming screw protruding from the lamp body to the outside.

The aiming of the vehicle headlight is adjusted by inserting the tip of a Phillips screwdriver between the operating gear of the aiming screw and the lamp body to engage the two, and rotating the Phillips screwdriver to operate the headlamp. The gear and the aiming screw integrated therewith are rotated, and depending on the direction of rotation, the aiming screw is screwed or unscrewed into a nut body fixed to the reflecting mirror, and thereby, at a portion connected by the aiming screw, This is performed by changing the distance between the reflector and the lamp body.

[0005]

By the way, in the above-mentioned vehicle headlamp of the reflecting mirror tilt type, at the time of aiming adjustment, the tip of the Phillips screwdriver and the teeth of the operation gear are properly engaged with each other. There has been a problem that it is not easy to maintain a properly engaged state.

That is, the tip of a Phillips screwdriver that originally has only a function of turning a screw is used as a pseudo gear,
And since the tip of the Phillips screwdriver is operated using the handle, which is the operation part located on the opposite side of the longitudinal direction, it is difficult to hold the Phillips screwdriver in a constant posture, and If the posture is not kept constant, the meshing state between the tip end and the teeth of the operation gear is released. The position of the Phillips screwdriver is kept constant with the tip of the Phillips screwdriver and the teeth of the operating gear properly meshed .
Ri, since the structure, such as there is no such as to assist in this, the attitude of the Phillips screwdriver is gone immediately changed, no longer the teeth meshing with the operation gear its distal end, a distal end of the Phillips screwdriver is idled aiming The screw cannot be rotated.

Therefore, a vehicle headlamp according to the present invention is a reflector-tilt type vehicle headlamp in which an aiming adjustment is performed by rotating an aiming screw by a plus screwdriver, wherein the tip of the plus screwdriver is aimed at. It is an object of the present invention to easily maintain a state in which a screw is properly meshed with an operation gear.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a vehicle headlamp according to the present invention comprises a lamp body integrally formed with mounting legs for fixing the vehicle headlamp to a vehicle body. as a supportive when rotating the operation gear by a screw driver disposed mounting legs in the vicinity of La
Mounting legs with the screwdriver of the pump body in between
On the side facing the
Id wall is formed integrally with the mounting leg and screw driver
To the operating gear .

Therefore, the screw driver can be easily engaged with the operation gear, and the state can be easily maintained.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which a vehicle headlamp according to the present invention is applied to a vehicle headlamp will be described below with reference to the accompanying drawings.

FIG. 1 to FIG. 4 show a first embodiment.

The headlight 1 is of a so-called tilting mirror type. A lens body 2 is fixed to a vehicle body (not shown) and has a container-like shape with an open front surface. To form a lamp chamber, and a reflector supporting a light source (not shown) is disposed in the lamp chamber in a tiltable manner.

On the lamp body 2, mounting legs 5, 5,... Each having an appropriate shape for mounting the headlight 1 on a vehicle body (not shown) are appropriately separated as shown in FIG. It is formed integrally at the position.

The reflector and the lamp body 2 are connected at three points: two aiming adjustment sections 6 and 7 and one rotation fulcrum section 8. In the aiming adjustment units 6 and 7, the two are connected by using aiming screws 9 so that the distance between them can be changed. Therefore, when the distance between the reflector and the lamp body 2 changes in any one of the aiming adjustment units 6 or 7, the line connecting the remaining aiming adjustment unit 7 or 6 and the rotation fulcrum 8 is changed to the rotation axis. The reflector (not shown) is tilted.

Although not shown, each of the aiming screws 9 has a screw shaft formed in a substantially front half thereof with a thread groove, and is inserted through the rear surface 3 of the lamp body 2 from the rear to be rotatable. And is prevented from falling off by an appropriate means such as a retaining washer. At the rear ends of the aiming screws 9, 9 protruding rearward from the back surface 3 of the lamp body 2, crown gears 10, 10 used as operation gears for performing aiming adjustment are formed integrally or integrally. ing.
A nut is supported at two places on the reflector, and a screw shaft portion of the aiming screw 9 is screwed to the nut. Therefore, when the aiming screw 9 rotates, the distance between the reflector and the lamp body 2 changes.

As shown in FIG. 3, in the aiming adjusting section 6 for adjusting the aiming of the headlight 1 in the left-right direction, as shown in FIG.
From the vicinity of 0, the ribs extend at first in parallel upwards, and thereafter the distance between them increases as going upwards, that is, a pair of ribs 1 formed in an inverted octagonal shape (substantially funnel shape)
1 and 11 are integrally protruded from the back surface 3 of the body 2 in a state of protruding toward the rear of the lamp.

As shown in FIGS. 2 and 4, an aiming adjusting section 7 for adjusting the heading of the headlamp 1 in the vertical direction is provided on the rear surface of the lamp body 2 in the vicinity of the periphery of the crown gear 10 of the aiming screw 9. And a guide wall 12 which extends to the lower end of the mounting leg 5 disposed diagonally above and is integrated with the mounting leg 5, and a rib in the aiming adjustment unit 6 which faces the guide wall 12 at an appropriate interval. Ribs 13 each having a shape similar to that of one of 11 and 11 are integrally provided from the back surface 3 of the lamp body 2. As shown in FIGS. 3 and 4, one side surface 14 of the guide wall 12 forms a surface that is continuous with the side surface 15 on the same side of the mounting leg 5.

The aiming adjustment unit 7 of the headlight 1
When the aiming adjustment is performed, the tip 17 of the Phillips screwdriver 16 is inserted between the guide wall 12 and the rib 13 along the side surface 15 of the mounting leg 5 and the side surface 14 of the guide wall 12 from above. Then, as shown in FIG.
The Phillips screwdriver 16 comes into contact with the guide wall 12 and the side surfaces 14 and 15 of the mounting leg 5 and is supported by the sides.

Accordingly, as shown in FIG. 4, the Phillips screwdriver 16 is maintained in an upright state by the guide wall 12 and the side surfaces 14 and 15 of the mounting leg 5, and consequently, its tip portion 17 is the crown gear 10
Will be maintained in a state of correctly meshing with the teeth of
The aiming adjustment can be easily performed by rotating the aiming screw 9.

In the first embodiment, 2
Among the aiming adjustment units 6 and 7, only the aiming adjustment unit 7, which frequently performs the aiming adjustment, has the mounting leg 5 disposed in the vicinity thereof and the guide wall 12 provided together. Aiming adjustment unit 6 may have the same structure.

FIGS. 5 to 7 show a second embodiment.

In the following description, the same parts as those described in the first embodiment will be described.
The description thereof is omitted by giving the same reference numerals to the same parts as those in the first embodiment.

In the headlamp 1A, mounting legs 20, 20,... (Only some are shown) each having an appropriate shape for mounting the headlamp 1A to a vehicle body (not shown) are provided on the lamp body 2. The reflector 21 and the lamp body 2 are integrally formed at appropriately separated positions, and are connected to the aiming adjustment unit 22 at three points, which are another unillustrated aiming adjustment unit and a rotation fulcrum.

As shown in FIG. 6, the aiming adjustment unit 22 for adjusting the heading of the headlamp 1A in the vertical direction is substantially obliquely upward from the vicinity of the crown gear 10 on the back surface 3 of the lamp body 2. A guide wall 23 which extends to the lower end of the mounting leg 20 and is integrated with the mounting leg 20, and another guide wall 24 which faces the guide wall 23 at an appropriate distance from the lamp body 2. From the back surface 3 of the vehicle. The lower ends of the guide walls 23 and 24, that is, the crown gear 1
The portions near the periphery of 0 extend parallel to each other,
Each of the tongue pieces 25, 25 has a greater amount of protrusion from the back surface 3 of the lamp body 2 than the other parts, and
It has become. The upper half of the guide wall 24 has a shape that is separated from the guide wall 23 as going upward.

A guide hole 26 is formed in the mounting leg 20 located substantially above the aiming adjustment portion 22. One side surface 27 of the guide wall 23 and the inner peripheral surface 28 of the guide hole 26 are formed as shown in FIGS. As shown in FIG. 7, a continuous surface is formed.

When the aiming adjustment section 22 performs the aiming adjustment, the tip portion 17 of the Phillips screwdriver 16 is inserted into the guide hole 26 from above, and is aligned with the inner peripheral surface 28 and the side surface 27 of the guide wall 23. And inserted between the tongue pieces 25, 25 of the guide walls 23, 24. Then, as shown in FIG. 6, the plus screwdriver 16 comes into contact with the side surface 27 of the guide wall 23 and the inner peripheral surface 28 of the guide hole 26 functioning as a guide portion thereof, and is supported by these from the side. Becomes

Accordingly, the Phillips screwdriver 16 is maintained in a state defined by the side surface 27 of the guide wall 23 and the inner peripheral surface 28 of the guide hole 26 so that its posture is optimized, and as a result, The state in which the distal end portion 17 is correctly meshed with the teeth of the crown gear 10 is maintained, so that the aiming adjustment can be easily performed by rotating the aiming screw 9.

As described above, in the vehicle headlamp of the present invention, the vehicle headlamp is used in order to maintain a state in which the tip of the screwdriver (plus screwdriver) is properly engaged with the operation gear. Since the mounting legs are used for mounting on the vehicle body and the guide wall is provided , the posture of the screw driver in a state where the tip of the screw driver meshes with the operation gear is stabilized.

[0029]

[0030]

As is apparent from the above description, the vehicle headlamp according to the present invention has a lamp body integrally formed with mounting legs for fixing the vehicle headlamp to the vehicle body, and a control gear for the operation gear. as a supportive when rotating the operation gear by a screw driver disposed mounting legs in the vicinity of La
Mounting legs with the screwdriver of the pump body in between
On the side facing the
Id wall is formed integrally with the mounting leg and screw driver
Since such lead to the operation gear, screw drivers, supported by mounting legs Rutotomoni, guide wall
As a result, it is possible to easily maintain a state in which the tip of the screw driver is properly meshed with the operation gear by being guided to the operation gear, and it is possible to quickly adjust the aiming of the vehicle headlamp.

According to the second aspect of the present invention, a guide for inserting a screwdriver into the mounting leg is provided.
Since the guide hole is provided, the screw driver can be
To engage the operating gear with the tip
As well as the screw
Can support the driver.

[0032]

[0033]

It should be noted that the specific shapes and structures of the respective parts shown in each of the above-described embodiments are merely examples of the embodiment of the present invention.
These should not be construed as limiting the technical scope of the present invention.

[Brief description of the drawings]

FIG. 1 is a view of a first embodiment of a vehicle headlamp according to the present invention, together with FIGS.
FIG. 1 is an overall perspective view.

FIG. 2 is a side view.

FIG. 3 is a rear view.

FIG. 4 is an enlarged view of a main part.

FIG. 5 is a second view of the vehicle headlamp according to the present invention, together with FIGS. 6 and 7;
FIG. 1 is a plan view showing a state where a main part is viewed from above.

FIG. 6 is a rear view of a main part.

FIG. 7 is an enlarged longitudinal sectional view showing a main part.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Headlight for vehicles, 2 ... Lamp body, 5 ... Mounting leg, 7
... Aiming adjustment unit, 9 ... Aiming screw, 10
... operation gear, 12 ... guide wall, 16 ... screwdriver, 17 ... tip, 1A ... vehicle headlight, 20 ... mounting leg, 21 ... reflector, 22 ... aiming adjustment part, 23 ... guide wall, 24 ... Guide wall, 26 ... guide hole

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) F21S 8/10 F21V 14/04

Claims (2)

(57) [Claims] 1. A lamp body in which a reflecting mirror whose irradiation direction of light from a light source changes by being tilted is tiltably supported on a lamp body, and an aiming screw is rotatably supported by the lamp body. An operation gear shaped to engage with the tip of the screw driver is fixed to one end protruding from the outside, so that the operating gear is rotated by the screw driver to rotate the aiming screw and tilt the reflecting mirror A headlamp for a vehicle having an aiming adjustment unit, wherein a mounting leg for fixing the vehicle headlamp to the vehicle body is formed integrally with the lamp body, and the mounting leg is provided near the operation gear. as a supportive when rotating the operation gear by a screw driver arranged, the Ranpubo Sandwiched in between the screw driver of I
On the side opposite to the mounting leg,
A guide wall extending to the vicinity of the
A headlight for a vehicle, wherein a screw driver is guided to an operation gear . 2. A screw driver is inserted into the mounting leg.
The vehicle headlight according to claim 1, wherein a guide hole is provided for the vehicle.