JP2001114013A - Reflector movable type headlamp for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a reflector movable type headlamp for an automobile capable of smoothly extracting a ballast circuit unit provided with a feeding cord from a lamp body by forming an outwardly swollen part in a specified range of the lamp body. SOLUTION: A reflector 21 to which a discharge bulb 2 is inserted is tiltably supported by an aiming mechanism, a back cover 50 is installed on a bulb replacement opening part 44 on the back of the discharge bulb 22 in the lamp body 10, a ballast circuit unit 60 is detachably installed on a bottom part of the lamp body 10 from the outside, and a feeding cord 64 introduced from the ballast circuit unit 60 is connected through the back of the reflector 22 in the lamp body 10 to be connected to a socket part 22a of the discharge bulb 22 through a connector 66. An opening part 11 in the bottom part of the lamp body 10 is formed in such a size that the connector 66 can be inserted, an outwardly swollen part 45 is formed under the bulb replacement opening part 44 of the lamp body 10, and an enlarged space S2 in which the connector 66 can be inserted is provided on the back of the reflector 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reflector movable automobile headlamp using a discharge bulb such as a metal halide bulb as a light source.

[0002]

[Prior Art] As the prior art of this kind of headlamp
Has a structure as shown in FIG. This is a run
The front lens 2 is attached to the front opening of the body 1
Lighthouse S ₁Is formed, and this lamp room S₁Inside, the discharge bulb 4
The mounted reflector 3 is accommodated. Reflector
3 is a lamp body by an aiming mechanism (not shown).
It is supported to be tiltable with respect to the bracket 1.

[0003] At the lower part of the lamp body 1, a discharge bulb 4 is provided.
The ballast circuit unit 5 for continuing stable discharge is detachably fixed. The power supply cord 6 derived from the ballast circuit unit 5 penetrates the opening 1a formed in the bottom wall of the lamp body, extends upward through the back side of the reflector 3 in the lamp body 1, and
It is connected to the socket part 4 a of the discharge bulb 4 via the connector 7. Reference numeral 1b denotes a bulb replacement opening formed in the rear wall of the lamp body 1, and reference numeral 8 denotes a detachable back cover attached to the bulb replacement opening 1b.

[0004]

In the lamp industry in recent years,
Recycling of parts has been called for, and in particular, since the ballast circuit unit 5 is expensive, it is considered to attempt to recycle when the lamp body 1 is damaged.
However, in the lamp structure described above, the ballast circuit unit 5
From the lamp body 1.

That is, when the ballast circuit unit 5 is separated from the lamp body 1 and extracted, the power supply cord 6 derived from the ballast circuit unit 5 and the connector 7 integrated at the end of the cord 6 are connected to the reflector 3. Although it is necessary to pull out from the gap between the lamp bodies 1 downward, since the gap between the reflector 3 and the lamp body 1 is narrow, the connector 7 cannot pass therethrough, so that the ballast circuit unit 5 cannot be taken out.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object to form an outward bulging portion in a predetermined region of a lamp body so that a discharge bulb can continue to discharge stably. It is an object of the present invention to provide a reflector movable automobile headlamp capable of smoothly extracting the ballast circuit unit with the power supply cord from the lamp body.

[0007]

In order to achieve the above object, in a reflector-movable automobile headlamp according to the first aspect, a reflector having a discharge bulb inserted therein is attached to a lamp body by an aiming mechanism. A back cover is attached to the bulb replacement opening provided in the lamp body behind the discharge bulb, and a ballast circuit unit is detachably attached to the bottom of the lamp body from the outside. A reflector movable in which a power supply cord derived from the ballast circuit unit extends into the lamp body from an opening provided in the lamp body bottom portion, passes behind the reflector, and is connected to a socket portion of the discharge bulb via a connector. Type automobile headlamp, wherein the bottom of the lamp body is opened. The connector is formed to have a size that allows the connector to pass therethrough, and an outwardly bulging portion is formed below the bulb replacement opening of the lamp body so that the connector can pass behind the reflector. A space is provided. (Operation) The back cover attached to the valve replacement opening is removed, the hand is put through the valve replacement opening, and the connector on the power supply cord side is removed from the bulb socket of the discharge bulb. In addition, while removing the fixation of the ballast circuit unit to the bottom of the lamp body, pull the power supply cord derived from the ballast circuit unit downward, and connect the connector with the power supply cord through the enlarged space behind the reflector and the opening of the lamp body bottom. Pull out from the lamp body. According to a second aspect of the present invention, in the reflector movable automobile headlamp according to the first aspect, the aiming mechanism includes an aiming fulcrum provided near an outwardly bulging portion of the lamp body at a lower position behind the reflector. The upper and lower aiming points and the left and right aiming points are provided at upper and lower positions behind the reflector and move forward and backward, respectively, to tilt the reflector, and the aiming fulcrum is detachable from behind the lamp body. It is configured. (Function) When a pair of left and right aiming points (up and down aiming point and left and right aiming point) are moved forward and backward with respect to the lamp body, the reflector tilts forward or backward around the lower aiming fulcrum, and the left and right aiming points are ramped. When the body is moved forward and backward with respect to the body, the reflector tilts around a vertical tilt axis passing through the aiming fulcrum and the vertical aiming point. The aiming fulcrum provided behind the reflector is in the vicinity of the enlarged space between the reflector and the bulging portion of the lamp body, and there is a possibility that the connector will be in the way when passing behind the reflector,
Removing the aiming fulcrum does not get in the way. When the aiming fulcrum is removed, the reflector can tilt by its own weight about a line connecting the upper and lower aiming points and the left and right aiming points. Therefore, if the lamp body is tilted forward so that the center of gravity of the reflector is located immediately below the line (axis) connecting the upper and lower aiming points and the left and right aiming points, the reflector will swing in the direction of tilting backward by its own weight ( Tilting), thereby widening the gap between the reflector and the lamp body, and facilitating the passage of the connector. According to a third aspect of the present invention, in the headlamp for a movable reflector vehicle according to the second aspect, the aiming fulcrum is formed at a front end of a front-rear sliding shaft of an auto-leveling actuator detachably mounted on a rear side of the lamp body. A ball joint having a ball portion and a ball receiving member on the reflector side with which the ball portion engages, and a slit extending to an internal ball bearing portion is provided on a side surface of the ball receiving member, In this configuration, the actuator, which is not fixed to the lamp body, is tilted to mount and dismount the ball portion from the side of the ball receiving member. (Function) By driving the actuator for auto-leveling, the front-rear sliding axis moves back and forth, and the reflector tilts around a horizontal tilt axis connecting a pair of left and right aiming points (upper and lower aiming points and left and right aiming points). It is adjusted (auto-leveling) to an appropriate predetermined position in the vertical direction.
Further, the fixing of the actuator to the lamp body is released, and the actuator (front and rear sliding shaft) is tilted in a predetermined direction (the direction in which the slit of the ball receiving member extends) so that the ball portion at the front end of the front and rear sliding shaft is connected to the ball receiving member. By pressing and sliding along the slit, the ball portion deviates from (the ball bearing portion of) the ball receiving member, and the actuator can be extracted from the lamp body. The front and rear sliding shaft of the actuator is provided so as to cross the vicinity of the enlarged space for passing the connector back and forth, but by removing the actuator,
The connector is easier to pass behind the reflector. By removing the actuator that constitutes the aiming fulcrum,
The reflector is tilted by its own weight around a line connecting the upper and lower aiming points and the left and right aiming points, whereby the gap between the reflector and the lamp body is widened, and the passage of the connector is facilitated.

[0008]

Next, embodiments of the present invention will be described based on examples.

FIGS. 1 to 10 show a first embodiment of the present invention. FIG. 1 is a front view of a headlamp on the right side of a four-lamp type vehicle headlamp (right side when a vehicle is viewed from the front). 2 is a rear view of the headlamp, FIG. 3 is a plan view of the headlamp, FIG. 4 is a bottom view of the headlamp, and FIG. 5 is a horizontal cross-sectional view of the headlamp (a line VV shown in FIG. 1). , FIG. 6 is a longitudinal sectional view of the headlamp (sectional view along line VI-VI shown in FIG. 1), and FIG. 7 is a longitudinal sectional view of the same headlamp (line VII-VII shown in FIG. 1). Sectional view along figure), FIG.
FIG. 9 is a perspective view of a nut which is a ball receiving member constituting an aiming fulcrum (ball joint), FIG. 9 is a longitudinal sectional view of the nut, and FIG.
Is a horizontal sectional view of the nut.

In these figures, reference numeral 10 designates a synthetic resin container-shaped lamp body that opens forward, and a lamp chamber S is formed by attaching a front lens 12 to a front opening of the lamp body 10. Inside the lamp body 10, that is, in the lamp room S, a reflection type light source unit 20 for forming a low beam and a traveling beam on the outside in the vehicle width direction and a projection type light source unit 3 for forming a traveling beam on the inside in the vehicle width direction.
0 is provided adjacently. Light source units 20, 30
Are the rear wall of the lamp body 10 and the light source units 20 and 3
The tilting can be adjusted independently by an aiming mechanism described later interposed between the zeros.

The reflection type light source unit 20 is shown in FIGS.
As shown in the figure, the discharge bulb 22 is inserted into the bulb insertion hole 21a provided at the rear top of the parabolic reflector 21, and a clear cut line of the passing beam is formed in front of the reflector 21. Is provided so as to cover the discharge bulb 22, and the light that is reflected by the reflector 21 and travels forward is partially shielded by the shade 24 to form a light distribution pattern for a predetermined low beam. Is done. 5 is a linear spring member for fixing and holding the discharge bulb 22 in the bulb insertion hole 21a.

The projection type light source unit 30 is provided with a halogen bulb (or an incandescent bulb) 32 in a bulb insertion hole 31a provided at the rear top of a substantially elliptical reflector 31.
Is inserted, and a projection lens 35 is fixed and integrated in front of the reflector 31 via a cylindrical lens holder 33. The light emitted from the halogen bulb 32 is reflected by the reflector 31 and is projected forward by the projection lens 35 to form a part of the light distribution pattern of the traveling beam, and is formed by the reflective light source unit 20. By being combined with the light distribution pattern for the passing beam, a light distribution pattern of a predetermined traveling beam is obtained.
Reference numeral 31b in FIG. 5 denotes an annular socket fixture for fixing and holding the valve 32 in the valve insertion hole 31a.

The two light source units 20 (30) are shown in FIGS.
As shown in FIGS. 2, 5 and FIG.₁ (14
_Two ) And the nut 15 as a ball receiving member₁ (15_Two )
Swing support which is one aiming fulcrum of the ball joint structure
Point A₁ (A_Two ), Can be rotated on the back wall of the lamp body 10
Two aiming screens supported by Noh and extending forward
View 16₁ , 18₁ (16_Two , 18_Two ) And these d
Imming screw 16 ₁ , 18₁ (16_Two , 18_Two )
And provided on the back of the reflector 21 (31).
Nut 17 inserted into the bracket₁ , 19₁ 
(17_Two , 19_Two ) Are the two aiming points
Moving fulcrum B₁, C₁ (B_Two , C_Two )
It is tiltably supported by each aiming mechanism.
ing. And aiming screw 16₁ , 18₁ 
(16_Two , 18_Two ) To rotate the light source unit.
Outgoing direction of the light from the₁, L_TwoLeft and right
The structure allows tilt adjustment to the right.

In [0014] FIG. 1, 5, 7 has a fixed fulcrum A ₁ is aiming fulcrum constituting the aiming mechanism of the light source unit 20, the movement fulcrum B _1, C ₁ and is shown an aiming point . Aiming fulcrum (fixed swing fulcrum) A ₁
As shown in FIG. 7, a ball portion 14 ₁ provided at the front end of the front and rear sliding shaft 72 that extends forward of the actuator 70 that is mounted by a bayonet engagement to the rear wall of the lamp body 10, the light source unit 20 for supporting the ball portion 14 ₁
And a nut 15 ₁ Tokyo a ball receiving member side.

On the other hand, a moving fulcrum B which is an aiming point
₁ (C ₁ ) is an aiming screw 16 ₁ for vertical adjustment (an aiming screw 18 ₁ for horizontal adjustment)
And a nut member 17 ₁ (19 ₁ ) that is screwed into the nut. Nut member 17 ₁ (19 ₁₎ is screwed portion 17 ₁ that is screwed to the male screw portion of the aiming screw 16 ₁ (18 ₁₎
a (19 ₁ a) and the bracket 2 on the reflector 21 side
Is inserted in 1b (21c), threaded portion 17 ₁ a (19
₁ a) is configured from the bearing holding portion 17 ₁ b (19 ₁ b) a threaded portion 17 ₁ a (19 ₁ a) the holding portion 17 ₁
b (19 ₁ b) is configured to be rotatable in the front-rear direction and the left-right direction.

Then, by turning the aiming screw 16 ₁ (18 ₁ ) with a turning operation tool such as a screwdriver, the nut member 17 _{1 serving as the} moving fulcrum B ₁ (C ₁ ) is obtained.
(19 ₁ ) is advanced and retracted along the screw 16 ₁ (18 ₁ ), whereby the optical axis L ₁ of the light source unit 20 can be tilted up, down, left and right.

That is, the aiming screw 16₁, 18₁
By turning both sides, the reflector 21 is fixed.
Fulcrum A₁Tilt around the optical axis L₁Up and down
Adjust. Also, aiming screw 18₁Just rotate
By moving the reflector 21 to the fulcrum B₁(Na
Cut member 17₁) And fixed swing fulcrum (Aiming fulcrum) A ₁
Vertical tilt axis Ly passing through₁Tilt around the optical axis L₁The left
Adjust to the right.

On the other hand, the aiming mechanism of the light source unit 30
The fixed swinging fulcrum (Aiming fulcrum)
Fulcrum) A_TwoAnd the moving fulcrum B which is the aiming point_Two , C_Two
 Also constitutes the aiming mechanism of the light source unit 20.
Constant swing fulcrum A₁ And moving fulcrum B ₁ , C₁ With a structure similar to that of
is there.

That is, the nut member 17 ₂ (19 ₂ ) constituting the moving fulcrum B ₂ (C ₂ ) is screwed into the vertical adjusting aiming screw 16 ₂ (the horizontal adjusting aiming screw 18 ₂ ). By rotating 16 ₂ (18 ₂ ), the nut member 17 ₂ (19 ₂ ) is
6 ₂ (18 ₂ ), whereby the optical axis L ₂ of the light source unit 30 can be tilted up, down, left and right.

That is, the aiming screws 16 ₂ and 18 ₂
Both the by rotating the, by tilting the reflector 21 to the fixed support A ₂ around the left and right, to adjust the optical axis L ₂ in the lateral direction. Also, by turning only the aiming screw 16 ₂ , the reflector 21 is tilted around a horizontal tilt axis Lx ₂ passing through the moving fulcrum B ₂ and the fixed swing fulcrum A ₂ ,
Adjusting the optical axis L ₂ in the vertical direction.

Further, reference numeral 70 in FIGS.
Is the optical axis L of the reflective light source unit 20 ₁The vertical direction prescribed
Actuator for auto-leveling to hold at an angle
Data. Car loading weight and headlamp
The correlation between the upward tilt of the optical axis is known in advance.
The automatic leveling device (actuator)
Actuator 70) is actuated and the aiming fulcrum is fixed.
Swing fulcrum A₁ Can be adjusted by moving it back and forth (in the direction of the arrow in FIG. 7).
I am able to do it.

That is, reference numeral 71 denotes a unit case of an actuator 70 having a built-in drive motor, and an actuator mounting hole 1 provided in a rear wall of the lamp body 10.
0a is fixed by bayonet engagement. Code 7
2 is a ball portion 14 ₁ that forms a fixed swing fulcrum A ₁ at the front end.
Is a front-rear sliding shaft formed with. The front and rear sliding shaft 72
Extends forward through the rear wall of the lamp body, and can slide in the front-rear direction by driving the drive motor in the unit case 71, whereby the fixed swing fulcrum A1
There moved (back and forth) around the optical axis L ₁ of the reflection type light source unit 20 is adjusted vertically proper position.

An opening 44 for bulb replacement (see FIGS. 5 and 6) is provided in the rear wall of the lamp body 10 on the side where the reflection type light source unit 20 is accommodated, facing the bulb insertion hole 21a of the reflector 21. I have. In this opening 44,
Back cover 50 of a closed structure that can be disengaged by rotating
Are fixed by bayonet engagement to close the opening 44. Reference numeral 52 in FIG. 2 denotes a fastening screw for fixing the arm 51 on the back cover 50 side.

A power supply cord 6 derived from a ballast circuit unit 60 fixed to the bottom wall of the lamp body 10 is provided in the bulb socket portion 22a of the discharge bulb 22 inserted in the bulb insertion hole 21a of the reflector 21.
4 are connected via a connector 66.

As shown in FIGS. 1, 2, 4, 6, and 7, a ballast circuit unit 60 is fixed to the outside of the bottom wall of the lamp body 10 by fastening screws 68. Reference numeral 61
Is a unit case of the ballast circuit unit 60. A ballast circuit main body 62 for continuing a stable discharge to the discharge bulb 22 and a high voltage applied to the discharge bulb 22 are provided in the unit case 61 to form an electrode of the arc tube. A starter circuit (not shown) for initiating a discharge therebetween is accommodated.

The power supply cord 64 derived from the ballast circuit unit 60 (ballast circuit main body 62) is connected to the opening 11 (FIG. 7) provided on the bottom wall of the lamp body 10.
Ref. 2) into the lamp body 10 and the reflector 2
1 above the socket part 2 of the discharge bulb 22 above
2a.

The opening 11 at the bottom of the lamp body is
The connector 66 is formed to have a size that allows the connector 66 to pass therethrough, and the lamp body 10 is formed with an outwardly bulging portion 45 below the bulb replacement opening 44 so that the connector 66 can pass behind the reflector 21. A space S ₂ (see FIG. 6) is provided.

For this reason, the back cover 50 attached to the bulb replacement opening 44 is removed, the connector 66 on the power supply cord 64 side is removed from the bulb socket portion 22a, and the ballast circuit unit 60 with respect to the bottom of the lamp body 10 is removed. in the disconnected fixed, the power supply cord 64 for deriving from the ballast circuit unit 60 and pulled downwardly through the reflector 21 behind the expansion space S _2, as shown in FIG. 6 phantom lines, power supply cord connector 66 64 together with the lamp body 10.

Reference numeral 46 in FIG. 5 denotes an opening for bulb replacement provided on the rear wall of the lamp body on the side where the projection type light source unit 30 is accommodated. The opening 46 has a bulb insertion hole 31a formed therein. The rear end of the reflector 31 is exposed, and an annular rubber cap 48 is mounted between the rear end of the reflector 31 and the opening 46 for valve replacement, and is closed.

FIGS. 8 and 9 show a nut 15 ₁ which is a ball receiving member constituting the aiming point A ₁ of the reflection type light source unit 20.
The details are shown. Nut 15 _1, the whole is constituted by a rectangular block body 150 made of synthetic resin.
The rectangular block body 150 includes a front end-side mounting portion 160 that is mounted and integrated into the nut insertion hole 182 of the reflector-side bracket 180 by concave and convex lance engagement, and a ball portion at the front end of the front-rear sliding shaft 72 of the actuator 70. 14 ₁ balls of the formed rear end side of the ball bearing 176 for supporting the receiving part 170
And is composed of

The attachment portion 160 on the front end side has a rectangular cylindrical shape, and elastic hooks 164 surrounded by U-shaped slits 162 are provided on upper and lower side walls, and as shown in FIG. When the portion 160 is inserted into the nut insertion hole 182 of the bracket 180, the elastic hook 164 engages with the periphery of the nut insertion hole, and is integrated as a stopper.

On the other hand, in the ball receiving portion 170 on the rear end side, a ball bearing portion 176 opening upward and rearward is formed by left and right side walls 172 and 172 and a bottom wall 174 on the side of the base of the side wall. The ball bearing portion 176 includes a ball bearing surface 176a that is a cylindrically-shaped concave curved surface extending vertically and left and right side walls 17.
A pair of elastic holding pieces 17 extending from
3,173 tip portion 173a, by the 173a, and is configured to support the actuator longitudinal sliding shaft 72 the ball portion 14 ₁ of the front end.

The ball bearing surface 176a of the ball bearing 176
Since is open upward in a slit shape, this upward along the ball bearing surface 176a which is an opening slit the ball portion 14 ₁ that is pressed against slide up and down direction, a ball bearing balls 14 ₁ 176 or the ball bearing 17
6 outside.

That is, from the state where the actuator 70 is fixed to the actuator mounting hole 10a, the actuator 70 is rotated to release the bayonet engagement between the actuator 70 and the actuator mounting hole 10a, and the actuator 70 (the front-rear sliding shaft 72) is rotated. ) Is the ball bearing surface 176a
Inclining in the extending direction (the direction of arrows A and B in FIG. 7),
The ball portion 14 ₁ of the front and rear sliding shaft 72 forward by pushing slide along the ball bearing surface 176a is a slit of the nut 15 _1, the ball portion 14 ₁ is departing from the ball bearing 176, the actuator 70 lamp body 10 (Mounting hole 10a)
Can be extracted from

When the actuator 70 is extracted, the reflector 21 is moved to the left and right aiming points B ₁ and C ₁ .
₁ (nut members 17 ₁ and 19 ₁ ), and when the headlamp is tilted forward (tilted forward and downward) as shown by arrow C in FIG. 7, the reflector 21 is shown by arrow D in FIG. As described above, tilting (rearward tilting) with its own weight about the axis passing through the aiming points B ₁ and C ₁ (nut members 17 ₁ and 19 ₁ ).
As a result, the gap between the reflector 21 and the lamp body 10 increases. Therefore, when the ballast circuit unit 60 is removed, the actuator 70 is removed, and the head lamp is tilted forward so that the reflector 21 is tilted (tilted backward) by its own weight, so that the enlarged space S ₂ behind the reflector 21 is removed.
Are further expanded so that the removal of the connector 66 can be performed smoothly.

Further, in connecting the ball portion 14 ₁ to the nut 15 _1, inserted from the mounting hole 10a of the front and rear sliding shaft 72 of the actuator 70, the actuator 70 (front and rear sliding shaft 72) 7 arrow A, B direction so as to tilt in the opposite direction, the ball portion 14 ₁ is pressed against slide downward along the ball bearing surface 176a is a slit, the ball portion 14 ₁ is engaged with the ball bearing 176, finally, The actuator 70 may be fixed to the mounting hole 10a by bayonet engagement.

Reference numerals 13 in FIGS. 5, 6, and 7 denote a light source unit 20, 30 and a lamp having an aluminum vapor-deposited surface, interposed between the front opening of the lamp body 10 and the front lens 12. An extension reflector that extends to close the gap with the front opening of the body 10,
The entire interior of the lamp room S is shown in the same metal color as the reflector 21 to improve the appearance of the headlamp.

[0038]

As is apparent from the above description, according to the automobile headlamp according to the first aspect, the connector and the power supply cord are connected to the lamp body through the enlarged gap between the reflector and the lamp body bulging portion. The ballast circuit unit with the power supply cord can be easily reused because it can be extracted. According to the second aspect, by removing the aiming fulcrum, it becomes possible to smoothly pass the connector behind the reflector, so that the ballast circuit unit with the power supply cord can be easily extracted from the lamp body. According to the third aspect, since the aiming fulcrum can be easily separated or connected by tilting the actuator,
By pulling out the actuator front-rear sliding shaft, which constitutes a part of the aiming fulcrum, together with the actuator, the passage of the connector behind the reflector becomes easy, and the ballast circuit unit with the power supply cord can be smoothly pulled out of the lamp body.

[Brief description of the drawings]

FIG. 1 is a front view of an automobile headlamp according to an embodiment of the present invention.

FIG. 2 is a rear view of the headlamp.

FIG. 3 is a plan view of the headlamp.

FIG. 4 is a bottom view of the headlamp.

FIG. 5 is a horizontal sectional view of the headlamp (the line V shown in FIG. 1).
Sectional view along -V)

FIG. 6 is a vertical sectional view of the headlamp (the line VI- shown in FIG. 1);
Sectional view along VI)

FIG. 7 is a vertical sectional view of the headlamp (the line VII shown in FIG. 1).
Sectional view along -VII)

FIG. 8 is a perspective view of a nut which is a ball receiving member of a ball joint which is an aiming fulcrum.

FIG. 9 is a longitudinal sectional view of the nut.

FIG. 10 is a horizontal sectional view of the nut.

FIG. 11 is a longitudinal sectional view of a preceding headlamp.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 Lamp body 11 Lamp body bottom wall opening 12 Front lens 14 ₁ Ball part which constitutes a ball joint 15 ₁ Nut which is a ball bearing member which constitutes a ball joint 16 ₁ Aiming screw for up and down adjustment 17 ₁ Configures up and down aiming point Nut member 18 ₁ Aiming screw for left / right adjustment 19 ₁ Nut member constituting left / right aiming point 20 Reflection type light source unit 21 Reflector 21 a Valve insertion hole 22 Discharge bulb 22 a Valve socket part 30 Projection type light source unit 31 Reflector 32 Halogen bulb 35 Projection lens 44 Opening for bulb replacement 45 Outer bulge of lamp body 50 Back cover 60 Ballast circuit unit 64 Power supply cord 66 Connector 70 Actuator for auto leveling 72 Actuator fore-and-aft sliding shaft 176 Ball bearing surfaces A ₁ aiming constitute a mechanism aiming fulcrum B ₁ right aiming point S lamp chamber S ₂ larger space constituting the vertical aiming point C ₁ aiming mechanism constituting the aiming mechanism is a slit extending in the support portion 176a Ball bearing

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[Procedure amendment]

[Submission date] September 21, 2000 (2009.2)
1)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction contents]

That is, the aiming screws 16 ₂ and 18 ₂
Both the by rotating the, by tilting the reflector 31 to the fixed support A ₂ around the left and right, to adjust the optical axis L ₂ in the lateral direction. Further, by turning only the aiming screw 16 ₂ , the reflector 31 is tilted around a horizontal tilt axis Lx ₂ passing through the moving fulcrum C ₂ and the fixed swing fulcrum A ₂ ,
Adjusting the optical axis L ₂ in the vertical direction.

[Procedure amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0022

[Correction method] Change

[Correction contents]

That is, reference numeral 71 denotes a unit case of an actuator 70 having a built-in drive motor, and an actuator mounting hole 1 provided in a rear wall of the lamp body 10.
0a is fixed by bayonet engagement. Code 7
2 is a ball portion 14 ₁ that forms a fixed swing fulcrum A ₁ at the front end.
Is a front-rear sliding shaft formed with. The front and rear sliding shaft 72
Extends forward through the rear wall of the lamp body, and can slide in the front-rear direction by driving the drive motor in the unit case 71, whereby the fixed swing fulcrum A ₁
There moved (back and forth) around the optical axis L ₁ of the reflection type light source unit 20 is adjusted vertically proper position.

Claims (3)

[Claims] 1. A reflector having a discharge bulb inserted therein,
A backing cover is attached to the lamp body by an aiming mechanism so as to be tiltable with respect to the lamp body, and a back cover is attached to a bulb replacement opening provided behind the discharge bulb in the lamp body.A ballast circuit unit is provided at the bottom of the lamp body. A power supply cord detachably attached from the outside and derived from the ballast circuit unit extends into the lamp body from an opening provided in the bottom of the lamp body, passes through the back of the reflector, and is connected to a socket of the discharge bulb. A reflector movable automobile headlamp connected via a connector, wherein the opening at the bottom of the lamp body is formed to have a size that allows the connector to pass therethrough, and a lower part of the bulb replacement opening of the lamp body. An outwardly bulging portion is formed in the connector, and the connector is located behind the reflector. A reflector movable automobile headlamp, characterized by having an enlarged space through which it can pass. The aiming mechanism is provided at an aiming fulcrum provided in the vicinity of an outwardly bulging portion of the lamp body at a lower position behind the reflector, and at an upper position behind the reflector and separated to the left and right, respectively. 2. The reflector movable according to claim 1, wherein the reflector is constituted by an upper and lower aiming point and a left and right aiming point for moving the reflector forward and backward and tilting the reflector, and the aiming fulcrum is configured to be detachable from behind the lamp body. Type car headlamp. 3. A ball formed at a front end of a front-rear sliding shaft of an auto-leveling actuator detachably mounted on a rear side of a lamp body, the aiming fulcrum;
A ball joint having a reflector-side ball receiving member with which the ball portion engages, and a side surface of the ball receiving member is provided with a slit extending to an internal ball bearing, The headlamp for a movable reflector vehicle according to claim 2, wherein the ball portion is attached to and detached from the side of the ball receiving member by tilting the actuator that has been fixed.