JPH0657515B2 - Lighting angle adjustment device for automobile headlights - Google Patents

Abstract

PURPOSE:To improve a headlight in mechanical strength, assembling and sealing abilities by forming a connecting means to connect a cord extending from a remote control part with a circuit on a circuit substrate accommodated in a casing so as to make a synthetic resin member buriedly support a middle part of a connecting terminal. CONSTITUTION:An adjusting mechanism 17 for leveling a headlight unit 2 has a driving means 40 comprising a motor 41 for rotating a cylindrical output shaft 33 coupled with an adjusting rod 14, and is provided with a circuit substrate 44 for controlling the turning on of current to the motor 41. The substrate 44 is arranged on an upper part of the inside of a back wall 26 of a casing 18, and provided with a connector 46 to connect a conductor on the substrate 44 with a cord extending from a remote control part not illustrated. In this case, the connector 46 is composed of a synthetic resin body 47 and many connecting terminals 52 whose middle parts are buriedly supported in the body 47, and an inserting part 48 provided on the body 47 is inserted through a sealing member 53 into an inserting hole 27a formed on the outer wall part 27 of the casing 18.

Description

DETAILED DESCRIPTION OF THE INVENTION An irradiation angle adjusting device for a vehicle headlamp according to the present invention will be described in detail according to the following items.

A. Industrial application fields B. SUMMARY OF THE INVENTION C. Prior art D. Problems to be Solved by the Invention E. Means for Solving the Problems F. Example a. Headlight unit, lamp housing [Figs. 1 and 2
Figure] b. Rotational fulcrum part, aiming adjustment part [Figs. 1 and 2] c. Leveling adjustment mechanism [FIGS. 1 to 6] c-1. Casing [FIGS. 1 to 4] c-2. Output shaft, driving means, circuit board, etc. [FIGS. 2 to 4] c-2-a. Output shaft [Fig. 2] c-2-b. Driving means, circuit board, etc. [FIGS. 2 to 4]
Figure] c-3. Connector [FIGS. 1 to 6] c-3-a. Structure c-3-b. Attachment to casing c-4. Installation and function on lamp housing G. Effect of the Invention (A. Field of Industrial Application) The present invention relates to a novel irradiation angle adjusting device for a vehicle headlamp. More specifically, an irradiation angle regulating member for an automobile headlamp whose irradiation angle is changeable, for example, an irradiation angle adjusting device for tilting a headlight unit or a reflecting mirror, particularly driven according to a command from a remote control unit. The present invention relates to an irradiation angle adjusting device in which a drive means for driving, a circuit board having a predetermined circuit inserted between the drive means and a remote control section, and the like are housed in a casing, and extends from the remote control section. By devising the connecting means for connecting the cord and the circuit on the circuit board, the reliability of waterproofing of the inside of the casing and the mechanical strength of the connecting means can be improved, and the number of assembling steps can be significantly reduced. It is an object of the present invention to provide a novel irradiation angle adjusting device for a vehicle headlamp, which is capable of reducing the manufacturing cost.

(B. SUMMARY OF THE INVENTION) The irradiation angle adjusting device for a vehicle headlamp according to the present invention includes a connecting means for connecting a circuit on a circuit board housed inside a casing and a cord extending from a remote control unit. A structure in which the intermediate portion of the required number of connection terminals is embedded in a member made of synthetic resin is supported, and the insertion portion of the member is inserted into an insertion hole formed in the outer wall portion of the casing, and A seal member is inserted between the insertion portion and the insertion hole, whereby the watertightness of the inside of the casing and the mechanical strength of the connecting means can be increased, and the number of assembly steps can be significantly reduced. It is the one.

(C. Prior Art) Generally, a vehicle headlamp is mounted on a vehicle body in a state where an initial irradiation angle adjustment, that is, a so-called aiming adjustment is possible, and an irradiation angle caused by a change in load during use. In some cases, the so-called leveling adjustment for correcting the deviation of can be installed in a state where it is possible.

And it is a device for performing such leveling adjustment. The irradiation angle adjusting device usually includes a driving unit using a motor as a driving source, an irradiation angle regulating member that is driven by the driving unit, for example, an output member that tilts a headlamp unit, a reflecting mirror, and the like. A circuit board provided with a circuit for detecting the position of the output member, a power supply circuit to the motor, etc. is housed in an appropriate casing, and the casing is fixed to the vehicle body, the lamp housing, the lamp body, or the like, and the circuit board is also provided. The upper circuit is connected to a cord extending from a remote control unit arranged near the driver's seat, and is configured to operate according to a command from the remote control unit.

Further, in such an irradiation angle adjusting device, there are various kinds of means for making the above-mentioned connection, but most of them have a required number of connecting terminals formed on the outer wall of the casing. Insert one into each of the plural terminal insertion holes, solder one end to the conductor on the circuit board, and connect the lead wire of the cord extending from the remote control part to the other end protruding from the casing. I have to.

As an irradiation angle adjusting device for a vehicle headlamp equipped with a connecting means having such a structure, for example, Japanese Patent Application No. 63-11
1178.

(D. Problem to be Solved by the Invention) However, according to the connecting means as described above, it is difficult to keep the terminal insertion hole formed in the casing in a completely watertight state. Has a low reliability, and in particular, water that has passed through the connection terminals and entered the casing immediately wets the circuit board, so that there is a high possibility of causing a malfunction.
At the time of assembly, it is necessary to insert the connection terminals individually into the terminal insertion holes, and to perform the required soldering while holding the connection terminals so that they do not fall out of the terminal insertion holes. However, there is a problem in that this is likely to occur, and much labor is required for assembly, which is one of the causes of increasing the cost of this type of irradiation angle adjusting device.

(E. Means for Solving the Problem) Therefore, in order to solve the above-mentioned problems, the irradiation angle adjusting device for a vehicle headlamp according to the present invention has an insertion hole formed in the outer wall portion of the casing and has an insertion portion. A connecting means is constituted by a synthetic resin body and a connecting terminal whose intermediate portion is supported by an insert molding in the body so as to be embedded therein. The body is fixed to the outer wall portion of the casing, and the inserting portion is inserted into the insertion hole. The seal member is inserted and the seal member is inserted between the insertion portion and the insertion hole.

Therefore, according to the irradiation angle adjusting device for a vehicle headlamp of the present invention, the reliability of waterproofing for the inside of the casing is improved because the connection means and the casing are firmly kept watertight, and the connection means is Since each part is integrated into a single component structure, there is no variation in its quality, the strength of the connection terminals is high, the handling is easy, and the number of man-hours for assembling into the casing is small. The manufacturing cost can be reduced.

(F. Embodiment) The details of the irradiation angle adjusting device for a vehicle headlamp of the present invention will be described below with reference to the illustrated embodiment.

In the illustrated embodiment, the present invention is a so-called movable unit type headlight device, that is, a light bulb is arranged in a lamp space defined by a lamp body having a reflecting mirror surface and a lens covering a front opening of the lamp body. The headlight unit is formed as an irradiation angle regulating member, and is applied to a leveling adjustment mechanism of a headlight device 1 of a type that adjusts the irradiation angle by tilting the headlight unit with respect to the vehicle body. .

(A. Headlight unit, lamp housing) [Fig. 1,
FIG. 2] 2 is a headlamp unit, which has a lamp body 3 having a recessed portion that is open toward the front (in FIG. 2, only the lower end portion near one end thereof is shown) and the lamp. It comprises a lens 4 attached to the body 3 so as to cover its front opening, and a light bulb 5 supported by the lamp body 3. The lamp body 3 has a reflecting surface 3a facing forward,
The light bulb 5 is supported on the top of the reflecting surface 3a, and its light emitting portion is located in the lamp space 6 defined by the lamp body 3 and the lens 4.

Reference numeral 7 denotes a synthetic resin lamp housing, which has a substantially concave shape that is open to the front and is fixed to the vehicle body so as to be located behind the headlight placement opening of the vehicle body (not shown).

Headlight unit 2 is at points A, B and C (see FIG. 1).
Is a point supported by the lamp housing 7, point A is a rotation fulcrum portion, and points B and A are separated laterally from the point A.
Point C, which is spaced downward from the point, serves as an adjusting portion that can adjust the distance between the headlamp unit 2 and the lamp housing 7. The headlamp unit 2 is adjusted by these adjusting portions. Thus, it is tilted in the left-right direction (the leftward direction in FIG. 1 is the left side and the rightward direction is the right side) and the vertical direction.

(B. Rotation fulcrum part, aiming adjustment part) [Fig. 1 and 2
[Fig.] The structure of the rotation fulcrum part at the point A and the adjusting part at the point B is not shown, but for example, the rotation fulcrum part fixes the support shaft to a bracket protruding rearward from the lamp body 3. At the same time, the substantially spherical tip of the support shaft is rotatably fitted into the spherical recess of the receiving body provided so as to project forward from the lamp housing, whereby the headlamp unit 2 is moved vertically and horizontally. It is structured so as to be pivotally supported by, and the adjustment part at the point B, that is,
The aiming adjusting portion in the left-right direction fixes the gear mechanism having the operation shaft to the lamp housing 7, and screw the screw shaft portion provided in the adjusting rod into the screw hole provided in the gear of the output stage, and The substantially spherical tip of the adjusting rod is rotatably fitted in the spherical recess of the receiving body supported by the bracket protruding from the rear surface of the lamp body 3, and when the operating shaft is rotated, the adjusting rod is moved in the front-back direction. Accordingly, the headlamp unit 2 is configured to be tilted substantially in the left-right direction with the line connecting the points A and C as the tilt axis.

Reference numeral 8 denotes an aiming adjusting mechanism which constitutes a part of the adjusting section for the point C that is responsible for aiming adjustment.

9 is an orthogonal exchange gear unit, and the lamp housing 7
A case 10 fixed to the front surface of the vehicle, a drive pinion gear 11 rotatably housed in the case 10, a pinion gear (not shown) meshing with the drive pinion gear 11, and a unit for rotating integrally with the pinion gear. And a worm wheel 12 meshing with the worm gear. The lower end of the operating shaft 13 is connected to the center of the drive pinion gear 11.

Reference numeral 14 denotes an adjusting rod, the front end portion 14a of which has a substantially spherical shape, and a portion 14b between a substantially intermediate position in the axial direction and the spherical end portion 14a is formed on the screw shaft portion,
The screw shaft portion 14b is screwed into a screw hole 12a formed so as to penetrate the center portion of the worm wheel 12 in the axial direction.

The bracket 15 projects rearward from a position near the right end of the lower end of the rear surface of the lamp body 3 of the headlight unit 2, and the bracket 16 supports the receiving body 16. Spherical recess 16 that opens rearward
The spherical end portion 14a of the adjusting rod 14 is rotatably fitted in a.

The rear half portion 14c of the adjusting rod 14 is connected to an output shaft of a leveling adjusting mechanism described later so as to be movable only in the axial direction, and thus is non-rotatable.

When the operating shaft 13 is rotated, the worm wheel 12 is rotated, and the worm wheel 12 is rotated.
Is prevented from moving in the axial direction and the rotation of the adjusting rod 14 is disabled, so that the adjusting rod 14 is fed in the axial direction, whereby the receiver 16 is moved in the front-rear direction. Therefore, the headlamp unit 2 is tilted in a substantially vertical direction with the line connecting the points A and B as a tilt axis, whereby the irradiation angle is adjusted in the vertical direction.

The rear half portion 14c of the adjusting rod 14 (hereinafter referred to as "connecting portion")
Say ) Is an insertion hole 7 formed in the lamp housing 7.
a is inserted and protrudes rearward, and the connecting portion 1
4c is formed to have a substantially oval cross section.

(C. Leveling Adjustment Mechanism) [FIGS. 1 to 6] Reference numeral 17 is a leveling adjustment mechanism that constitutes a portion responsible for leveling adjustment in the adjusting portion at the point C.

(C-1. Casing) [FIGS. 1 to 4] Reference numeral 18 denotes a casing of the leveling adjusting mechanism 17, which is formed by integrally combining a front half 19 and a rear half 20 made of synthetic resin.

The front half 19 has an inverted U-shape in which the lower half has a substantially horizontally long rectangular shape when viewed from the front-rear direction and the upper half has a width that narrows toward the upper end, and the rear surface is open. Reference numeral 21 denotes a front wall of the front half 19, the lower portion of which is divided into a plurality of regions and bulges forward in a convex arc shape. Further, a substantially cylindrical shape is provided from a position slightly above the center of the front half. The cylindrical portion 22 is provided so as to project forward, and the rear end of the hole 22a of the cylindrical portion 22 is open to the rear surface of the front wall 21. A seal member placement groove 23 (see FIG. 2) is formed on the rear end surface of the outer peripheral portion, and the rear end portion of the outer peripheral surface is further provided with half connecting ear pieces 24, 24, ... Ear pieces 25, 25, 25
Are projected respectively.

The outer shape of the rear half 20 is substantially the same as the outer shape of the front half 19 as viewed from the front-rear direction, the front surface is open, and the depth of the lower portion is approximately twice the depth of the upper portion. A bearing recess 26a is formed at a position slightly above the part, and a connector insertion hole 27a is further formed in the bottom wall 27. The connector insertion hole 27a has a substantially rectangular shape that is long in the left-right direction when viewed from below. ing. Then, the ear pieces 24, 24, ... Of the front half 19 among the front end portions of the outer peripheral surface thereof.
Protrusions 28, 28 for half coupling at positions corresponding to
· But also the ear pieces 25, 25 for mounting the front half 19
Mounting ears 29, 29, 29 at positions corresponding to 25 and each
Are formed respectively, and screw holes 28a, 28a, ... Are formed in the protrusions 28, 28 ,. Further, connector mounting projections 30 and 30 are formed at the lower ends of the left and right side surfaces of the rear half 20, respectively.
Is formed with screw holes 30a, 30a whose axial direction extends in the vertical direction.

The front half 19 and the rear half 20 are abutted against each other with their respective outer peripheral portions of the opening faces sandwiching the seal member 31 fitted in the seal member placement groove 23 of the front half 19, and at the same time, the front half 19 24a, 24 formed in the ear pieces 24, 24, ...
a, ... The screws 32, 32, ...
-(Only one is shown in FIG. 2) is a screw hole 28 formed in the coupling projections 28, 28, ... Of the rear half 20.
a, 28a, ..., By which they are integrally connected.

(C-2. Output shaft, driving means, circuit board, etc.) [FIGS. 2 to 4] (c-2-a. Output shaft) [FIG. 2] 33 is an output connected to the adjusting rod 14. It is an axis.

The output shaft 33 includes a substantially cylindrical front portion 34 and the front portion 34.
The wheel engaging portion 35 continuous to the rear end and the rear portion 36 protruding from the rear surface of the wheel engaging portion 35 are integrally formed of a metal material, and the front portion 34 is a cylinder formed on the front half 19. It has an outer diameter substantially the same as the diameter of the hole 22a of the portion 22 and is slightly longer than the length of the hole 22a.

Reference numeral 37 is a connecting hole formed in the output shaft 33 so as to open at the front end surface thereof, and is formed in the same shape as the connecting portion 14c of the adjusting rod 14, that is, the cross section thereof has a substantially oval shape. .

The front portion 34 of the output shaft 33 is rotatably inserted into the hole 22a of the tubular portion 22 of the front half 19, and the rear end portion of the rear portion 36 is rotated into the bearing recess 26a formed in the rear half 20. It is freely inserted, and thereby is rotatably supported by the casing 18, and its front end face is located in substantially the same plane as the front end opening face of the tubular portion 22.

It should be noted that the annular groove 3 is provided in the portion of the outer peripheral surface of the front portion 34 near the front end.
4a is formed, and an O-ring 38 and two backup rings 39, 39 located on the front and rear sides of the O-ring 38 are fitted in the groove 34a.
The space between the front part 34 and the front part 34 is kept watertight by the O-ring 38 with respect to the inner space of the casing 18.

(C-2-b. Driving means, circuit board, etc.) [FIGS. 2 to 4] 40 is a driving means for rotating the output shaft 33, and is arranged at the front of the lower end inside the casing 18. The output shaft 3 is engaged with the driven motor 41, the worm gear 42 rotated by the motor 41 via a gear transmission system (not shown), and the wheel engagement portion 35 of the output shaft 33.
Worm wheel 4 adapted to rotate with 3
The worm wheel 43 is always meshed with the worm gear 42.

Reference numeral 44 denotes a circuit board, which is the rear half 20 when viewed from the thickness direction.
Has an outer shape slightly smaller than the outer shape, and a rod insertion hole 44a is formed at a position near the upper end thereof, and a large number of terminal insertion holes 44b, 44b, ... Are formed so as to be arranged in.

The circuit board 44 is arranged such that its upper portion is in contact with the upper portion of the inner surface of the rear wall 26 of the casing 18, and several portions thereof are fixed to the rear half 20 by fixing means (not shown). The rear portion 36 of the output shaft 33 is inserted into the insertion hole 44a with a margin.

Reference numeral 45 denotes a detection unit (only the outer shape is shown in the drawing) for detecting the position of the adjusting rod 14, and a contact plate that is rotated by the rotation of the output shaft 33 and is held by the contact plate. And a large number of terminals arranged in an annular shape on the front surface of the circuit board 44.

Although not shown, a large number of conductors such as a conductor (not shown) continuous with the terminals and a conductor for supplying power to the motor 41 are formed by printing on the circuit board 44, and the input / output end portions of these conductors are formed. The terminal insertion holes 44b, 44b, ... Are separately formed at positions corresponding to.

Incidentally, such a configuration of the detection unit 45 is disclosed in, for example, Japanese Patent Application No.
The configuration of the detection unit shown in 3-110117 may be substantially the same.

(C-3. Connector) [Figs. 1 to 6] Reference numeral 46 is a connector for connecting the conductor on the circuit board 44 and a cord extending from a remote control unit (not shown).

(C-3-a. Structure) The connector 46 is composed of a synthetic resin body and a large number of connection terminals whose intermediate portions are supported by the body so as to be embedded therein.

Reference numeral 47 denotes a body, which has substantially the same thickness as the bottom wall 27 of the rear half 20 and the size of the connector insertion hole 27a formed in the bottom wall 27 when viewed from the thickness direction thereof. A plate-shaped insertion portion 48 having substantially the same size and a substantially U-shape that is continuous with the outer peripheral portion of the lower surface of the insertion portion 48 and projects downward from the insertion portion 48 and opens rearward when viewed from below. The guard wall 49, the two mounting arms 50, 50 that project from the left and right side portions 49a, 49a of the guard wall 49 substantially obliquely upward to the upper side, and the projection arms approximately vertically from the rear end portion of the upper surface of the insertion portion 48. The short terminal reinforcing wall 51 is integrally formed of synthetic resin. An endlessly extending seal member placement groove 48a is formed in the central portion of the outer peripheral surface of the insertion portion 48 in the thickness direction, and
Screw insertion holes 50a, 50a at the tips of the mounting arms 50, 50
Are formed.

Reference numerals 52, 52, ... Are connection terminals, which are formed of wire rods having relatively high rigidity and good conductivity, and intermediate portions 52a, 52a ,. The upper parts 52b and 52 are bent as necessary.
b extend substantially horizontally from the upper ends of the intermediate parts 52a, 52a, ... to the front, and the lower end parts 52c, 52
are formed so as to extend continuously downward from the lower ends of the intermediate portions 52a, 52a ,.

The connecting terminals 52, 52, ... Are integrally joined to the body 47 by insert molding in a state of being arranged in the left-right direction when the body 47 is molded by the die, whereby Intermediate portions 52a, 52a, ...
Are supported in the insertion portion 48 of the body 47 so as to be embedded therein, and the upper portions 52b, 52b, ... Are located so as to project from the upper end portion of the front surface of the terminal reinforcing wall 51, and the lower end portion 52c,
52c, ... Are located so as to project from the lower surface of the insertion portion 48.

The connection terminals 52, 52, ... Are provided in the same number as the terminal insertion holes 44b, 44b ,.

(C-3-b. Attachment to Casing) Then, such a connector 46 is attached so as to close the connector insertion hole 27a formed in the bottom wall 27 of the rear half 20 of the casing 18. That is, first,
The endless seal member 53 is fitted into the seal member placement groove 48a of the body 47, and then the insertion portion 48 of the body 47 is inserted into the connector insertion hole 27a, whereby the tip ends of the mounting arms 50, 50 are rearward. The screw holes 50a, 50a of the mounting arms 50, 50 and the screw holes formed in the connector mounting protrusions 30, 30 are respectively brought into contact with the connector mounting protrusions 30, 30 provided on the half 20 from below. 30a, 30
a is matched with each other. Therefore, the screws 54, 54 are inserted into the screw insertion holes 50a, 50a of the mounting arms 50, 50 from below and screwed into the screw holes 30a, 30a.

Then, the connector 46 is attached to the bottom wall 27 of the rear half 20 from below, and the connector insertion hole 27a is inserted into the body 47.
The insertion portion 48 is closed by the insertion portion 48 of the bottom wall 27.
And the connector insertion hole 27.
The gap between “a” and the insertion portion 48 is kept watertight by the seal member 53 with respect to the internal space of the rear half 20.

The circuit board 44 is attached to the rear half 20 after the connector 46 is attached to the rear half 20. That is, when the connector 46 is attached to the rear half 20, the connection terminal 5
The upper portions 52b, 52b, ... Of 2, 52, ... Are located so as to project forward from the lower end portion of the rear wall 26 of the rear half 20, and the circuit board is attached to the rear half 20 as follows. It is performed while inserting the front end portions of the upper portions 52b, 52b, ... Of the connection terminals 52, 52, ... Into the terminal insertion holes 44b, 44b ,.

The upper portions 52b, 52 of the connection terminals 52, 52, ...
Since b, ... Are supported from the rear by the terminal reinforcing wall 51, their positions do not easily move even when a force is applied from the front.

After mounting the circuit board 44 in this way, the upper portions 52b, 52b, ... Of the connection terminals 52, 52 ,.
Of the terminal insertion holes 44b, 44b, ..., The portion protruding forward is soldered to the conductor on the circuit board 44.

The lower end portions 52c, 52 of the connection terminals 52, 52, ...
A cord (not shown) extending from the remote control unit is connected to c, ... Directly or via a connector.

(C-4. Attachment to Lamp Housing and Function) Then, such a leveling adjusting mechanism 17 is attached to the rear surface of the lamp housing 7. That is, 55, 55, ...
.. are mounting bosses projecting rearward from the lamp housing 7 (only two are shown in FIG. 2 in the drawing), and screw holes 55a, 55a, which are opened at the rear end surface,
. Is formed, and the insertion holes 25a, 25 of the ear pieces 25, 25, ... For mounting the front half 19 of the casing 18 are formed.
a, ... and the mounting ear pieces 29, 29 of the rear half 20.
The screws 56, 56, ... Inserted from the rear through the insertion holes 29a, 29a, ... formed in the ... are screw holes 55a, 55a ,. And the leveling adjusting mechanism 17 is attached to the lamp housing 7.

The connecting portion 14c of the adjusting rod 14 is inserted into the connecting hole 37 of the output shaft 33 when the leveling adjusting mechanism 17 is attached to the lamp housing 7 as described above.

The leveling adjusting mechanism 17 is arranged behind the aiming adjusting mechanism 8 so that the connecting portion 14c of the adjusting rod 14 of the aiming adjusting mechanism 8 and the output shaft 33 are axially slidably and non-rotatably connected. To be done.

Then, the leveling adjustment is performed by rotating the motor 41 in accordance with a command from the remote operation unit. That is, when a predetermined leveling adjustment position is selected in the remote control unit, the motor 41 is rotated in a predetermined direction according to the selected position, and the rotation of the motor 41 causes the worm gear 42, the worm wheel 43, and the output shaft 33 to be rotated. The output shaft 33 is transmitted and is rotated integrally with the adjusting rod 14. The worm wheel 12 of the aiming adjusting mechanism 8 with which the adjusting rod 14 is screwed is prevented from rotating by being meshed with a worm gear (not shown).
The headlamp unit 2 is tilted in the vertical direction by being screwed in or unscrewed from the screw hole 12a and moved in the front-back direction.

The moving direction and the moving amount of the adjusting rod 14 are determined by the detecting unit 4
5 and is controlled according to the detection result.

(G. Effects of the Invention) As is apparent from the above description, the irradiation angle adjusting device for a vehicle headlamp according to the present invention includes a casing attached to a vehicle body or a support member fixed to the vehicle body, and The drive means and the circuit board housed inside the casing, the output member for tilting the irradiation angle regulating member by being driven by the drive means, the circuit on the circuit board, and the cord extending from the remote control unit are connected. A device for adjusting an irradiation angle of a vehicle headlamp, comprising: a connecting member for connecting an outer wall of a casing with an insertion hole formed therein; A connecting means is constituted by the connection terminal supported in an embedded manner by insert molding, the body is fixed to the outer wall portion of the casing, the insertion portion is inserted into the insertion hole, and the insertion portion is inserted into the insertion hole. It is characterized in that a seal member is inserted between the inlet and the inlet.

Therefore, according to the irradiation angle adjusting device for a vehicle headlamp of the present invention, the reliability of waterproofing for the inside of the casing is improved because the connection means and the casing are firmly kept watertight, and the connection means is Since each part is integrated into a single component structure, there is no variation in its quality, the strength of the connection terminals is high, the handling is easy, and the number of man-hours for assembling into the casing is small. The manufacturing cost can be reduced.

Although the unit movable type headlamp is shown in the above-mentioned embodiment, the irradiation angle adjusting device for a vehicle headlamp according to the present invention can be tilted to the reflector movable type headlamp, that is, the lamp body. It can also be applied to headlamps of the type that adjusts the irradiation angle by tilting this supported reflecting mirror as the irradiation angle regulating member, and in particular, the irradiation angle adjusting device is installed outside the lamp body. When applied to what is arranged, a high degree of water tightness between the connecting means and the casing is effective.

Further, it goes without saying that the technical scope of the present invention is not limitedly interpreted by the form of the connecting means and the position of the insertion hole formed in the casing shown in the embodiments.

[Brief description of drawings]

The drawings show an example of an embodiment of an irradiation angle adjusting device for a vehicle headlamp according to the present invention. FIG. 1 is a front view and FIG.
FIG. 3 is an enlarged sectional view taken along line II-II in FIG. 3, and FIG. 3 is III in FIG.
-An enlarged cross-sectional view with a part omitted along the line III, Fig. 4 is an exploded enlarged perspective view of a main part, Fig. 5 is an enlarged perspective view of a connector,
FIG. 6 is an enlarged perspective view showing the connector in a direction different from the direction shown in FIG. DESCRIPTION OF SYMBOLS 1 ... Automotive headlight, 2 ... Irradiation angle regulating member, 7 ... Support member, 17 ... Irradiation angle adjusting device, 18 ... Casing, 27 ... Outer wall portion, 27a ... Insertion hole , 33 ... Output member, 40 ... Driving means, 44 ... Circuit board, 46 ... Connection means, 47 ... Body, 48 ... Insertion part, 52 ... Connection terminal, 52a ... Intermediate part, 53 ... ... Seal member

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-55-36173 (JP, A) JP-A-61-201961 (JP, A) JP-A-61-229628 (JP, A) Actual development Sho-59- 97135 (JP, U) Actually open Sho 60-194802 (JP, U) Japanese Patent Publication 2-17371 (JP, B2)

Claims (1)

[Claims] 1. A casing attached to a vehicle body or a support member fixed to the vehicle body, a driving means and a circuit board housed inside the casing, and an irradiation angle regulating member driven by the driving means. Is an illumination angle adjusting device for a vehicle headlamp, comprising: an output member for tilting the vehicle; and a connecting means for connecting a circuit on the circuit board and a cord extending from a remote control section, the outer wall section of the casing. An insertion hole is formed in the body, and a connecting means is constituted by a synthetic resin body having an insertion portion and a connection terminal whose intermediate portion is supported by the insertion molding in the body so as to be embedded therein. An irradiation angle adjusting device for an automobile headlamp, characterized in that the insertion part is fixed to the