JPH10147272A - Headlamp optical axis adjusting device for motorcycle with cowling - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an optical axis adjusting device for a headlight whereby head adjusting work can be easily performed even in a condition aboard, in a motorcycle with cowling. SOLUTION: This motorcycle 1 is constituted such that a headlight 30 with a projection surface exposed from a front surface part of a cowling 10 and right/left both side surfaces covered with the cowling 10 is provided, in this headlight 30, an optical axis thereof can be adjusted by rotating a rotary unit 36 capable of engaging/disengaging with/from a tip end part of a prescribed bar-shaped tool. Here, in at least one side surface of the cowling 10, an insert hole 12A inserting the bar-shaped tool is formed, also a guide member guiding the tip end part of the bar-shaped tool inserted from this insert hole 12A to an engaging position with the rotary unit 36 is formed by a left side front end of a lower side pipe 22 of a cowling supporter 20 and a headlight mounting part 22a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for adjusting the optical axis of a headlamp provided in a motorcycle, and more particularly to a headlamp for a motorcycle in which both right and left sides of the headlamp are covered by a cowling provided in front of a vehicle body. Optical axis adjusting device.

[0002]

2. Description of the Related Art As is well known, a motorcycle headlamp is provided with a lamp unit including a reflector, a lens, a lamp, and the like provided in a lamp housing so as to be adjustable in angle, and adjusting a set angle of the reflector. This adjusts the optical axis. In this headlamp,
Adjustment of the optical axis, that is, adjustment of the angle of the reflecting mirror, is performed by rotating two screws connecting the lamp housing and the lamp unit. That is, by rotating each screw, the screwing position of the lamp unit with respect to the screw is relatively changed, and the setting angle of the reflecting mirror together with the lamp unit is changed.

[0003]

In the case where the above-mentioned optical axis adjusting device is provided in a naked type motorcycle, the lamp housing is exposed to the outside, so that a driver or the like can use a driver or the like. The adjustment work can be easily performed using the tools described above.However, in a motorcycle in which the front of the vehicle body is covered by a cowling, at least the left and right side surfaces of the headlamp are covered by the cowling, and the cowling is Since the cowling support to be attached is fixed to the head pipe etc. that constitutes the front end of the frame, it is difficult to insert tools such as a screwdriver into the groove formed in the head of the screw for adjusting the optical axis, making it extremely adjustable There was a problem that it became difficult. In general, it is required that the optical axis adjustment device of a motorcycle be able to perform the optical axis adjustment work smoothly even when the passenger is in the vehicle, but even when the vehicle is off, it is necessary to perform difficult work. With the optical axis adjustment device up to this point, it was extremely difficult to work while riding. Therefore, there has been proposed a lamp housing in which adjustment work can be easily performed by considering a layout of peripheral parts in the lamp housing, or a structure in which peripheral parts are removed during the adjustment work. However, there is a problem that many restrictions are imposed on peripheral parts, and in the latter case, it is necessary to perform attachment / detachment every time adjustment is performed, and the work may be complicated.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problem. In a motorcycle with a cowling, a headlamp light capable of easily performing a head adjustment operation even when a passenger is in a riding state. An object of the present invention is to provide an axis adjusting device.

[0005]

According to a first aspect of the present invention, there is provided a cowling fixed to a cowling support fixed to a front end portion of a frame so as to cover at least an upper front portion of the vehicle body and both left and right sides. A headlight having a light projecting surface exposed from a front portion of the cowling and both right and left sides covered by the cowling, wherein the headlight includes a rotating body which can be disengaged from a tip of a predetermined rod-shaped tool. In the motorcycle, the optical axis of the headlight can be adjusted by allowing the insertion of the rod-shaped tool into at least one side surface of the cowling, and the insertion of the rod-shaped tool from the insertion hole is performed. A guide member for guiding a distal end portion to an engagement position with the rotating body is provided, and the guide member is provided at least in the insertion hole. The outer periphery two positions of the inserted rod-like tool is obtained so as to be formed in contact with the cowling support.

According to a second aspect of the present invention, an insertion hole for inserting a rod-shaped tool is formed in a side surface of a cowling, and a tip end of the rod-shaped tool inserted through the insertion hole is formed.
A guide member for guiding to a position of engagement with the rotating body is provided, and the guide member is formed by a cylindrical boss at least in contact with the outer periphery of the rod-shaped tool inserted from the insertion hole.

According to the first or second aspect of the present invention, a bar-shaped tool is inserted from an insertion hole formed in a side surface of a cowling, and then the tool is easily inserted inward while being in contact with a guide member. The tip of the tool can be engaged with the guide member. For this reason, even if the rider is in the motorcycle, the rider can perform the adjustment work smoothly, and workability is greatly improved.

DETAILED DESCRIPTION OF THE INVENTION

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIGS. 1 to 11 are views showing a first embodiment of the present invention. FIG. 1 is a side view of a motorcycle to which the present invention is applied, and FIG. 2 is a view of the first embodiment of the present invention. FIG. 3 is an exploded perspective view of the embodiment, FIG. 4 is a front view showing the headlamp and the cowling brace shown in FIG. 3, FIG. 5 is a side view of the cowling brace shown in FIG. 4, and FIG. 5 is a front view of the lamp shown in FIG. 5, FIG. 7 is a plan view of the lamp shown in FIG. 6, and FIGS. 8 and 9 are views showing the headlamp shown in FIG.

In FIG. 1, an engine 3, a fuel tank 4 and a seat 5 are mounted on a frame 2 of a motorcycle 1 shown here.
The head pipe 2a constituting the front end of the frame 2 holds a pair of front forks 7 supporting a front wheel 6, and the main tube 2b of the frame 2 holds a rear wheel. Is supported so as to be vertically swingable about the pivot 2b1.

A cowling 10 that covers the upper front of the vehicle body of the motorcycle 1 is supported by the head pipe 2a via a cowling brace (coulling support) 20. As shown in FIGS. 2 and 5 to 7, the cowling brace 20 includes a frame-shaped mounting portion 21 and a holding portion 25 projecting obliquely rearward from the mounting portion 21. The mounting portion 21 includes both ends of a U-shaped lower pipe 22 and an inverted U-shaped upper pipe 2.
3 and the left and right sides of the lower pipe 22 are connected by a connecting pipe 24. The lower pipe 22 has three lamp mounting portions 22a, 22b, 22c. However, the connecting pipe 24 has 2
The upper panel 23 has a pair of left and right cowling mounting portions 23a, 23b,
And a meter panel mounting portion 23c is protruded. A cowling fixing plate 29 is fixed to both cowling attachment portions 23a and 23b of the lower pipe 23. The holding portion 25 includes an arm 26 having one end fixed to the center of the connection pipe 24,
6 and an attachment member 27 fixed to the other end. The mounting member 27 has a U-shaped cross section, and a bolt b1 is attached to a protruding portion 2a1 (see FIG. 2) provided on the head pipe.
It is adapted to be fixed by a nut n1 or the like.

On the other hand, the cowling 10 fixed by the cowling brace 20 configured as described above is configured as follows. That is, the cowling 10 in the first embodiment includes a cowling body 11 and a screen 14 fixed to the cowling body 11. The cowling main body 11 is mainly composed of a left side surface portion 12 and a right side surface portion 13 and is fixed to the left and right sides of the screen 14 by screws S1, respectively, and is fixed to a fixing plate 29 fixed to the cowling brace 20 by screws S2. . And this cowling body 11
The opening 10a for inserting the lens part 33 of the headlight 30 is formed in the front part by combining the screen and the screen 14. 3, 15 is a center cover provided below the front end of the cowling body 11, 16 is an inner cover provided on each side,
Reference numeral 17 denotes a meter cover fixed to the mounting portions 24a, 24b and 23c of the connecting pipe of the cowling brace. The meter cover 17 covers various meters in front of the steering wheel.

The headlight 30 has a structure as shown in FIGS. That is, the headlight 30 is configured such that the light 32 is detachably attached to the back of a hollow box-shaped light housing 31, and a convex lens 33 is fixed to the front of the light housing 31. I have. Further, a reflecting mirror 34 having a predetermined concave arc shape is held in the light housing 31. The reflecting mirror 34 is connected to the light housing 31.
Are held by two adjusting screws 35 and 38 provided on the back surface of the first member and one connecting member 41, and the connecting member 41 can be bent and rotated three-dimensionally at a bending point 41a formed in the middle. It is connected to. The adjusting screws 35 and 38 are rotatably held at two diagonally opposite positions on the back surface of the light housing 31, and are pulled out and protruded from protrusions 33 a and 33 b formed on the back surface of the reflecting mirror 33. The nuts 34A and 34B loosely inserted (FIG. 9A,
(See (b)).

The head 3 of each of the adjusting screws 35, 38
Disk-shaped rotating bodies 37 and 39 are integrally fixed to 5a and 38a. The teeth 37a, 39a protruding in the axial direction are formed on the periphery of the rotating bodies 37, 39. As shown in FIG. 9D, the teeth 37a and 39a have a corrugated shape, and can be engaged with a cross-shaped cutting edge 51a of the bit 51 of the screwdriver 50. The blades 51a are meshed with the teeth 37a, 39a, and the screwdriver 50 is rotated about its central axis, so that the rotating bodies 36, 39 are adjusted with the adjusting screws 35, 39.
It rotates with 38.

On the back surface of the light housing 31, there are formed guide projections (guide members) 37, 40 for guiding the cutting edge 50a of the screwdriver 50 into engagement with the teeth 36a, 39a of the rotating bodies 36, 39. I have. The guide projections 37, 40 are formed with a pair of projecting pieces 37b, 37c, with an opposing gap enough to allow the bit 51 of the screwdriver 50 to be inserted into the annular portions 37a, 40a covering the periphery of the rotating bodies 36, 39. 40b and 40c are provided projecting outward. In addition, each protruding piece 33b and 33c,
37b and 37c are slightly expanded as going outward.

The headlight 30 constructed as described above has a headlight mounting portion 22a, 22b provided on the lower pipe 22 of the cowling brace 20 with mounting portions 31a, 31b provided on the back surface of the light housing 31.
The lens 33 of the headlight 30
Fits into the opening 11a of the cowling body 11. In the headlight mounted state, the lower pipe 22 of the cowling brace 20 has a front end of an outer peripheral surface located near a rear end of the rotating body 36 as shown in FIG. As shown in FIG. 4, the lower ends of the left and right light mounting portions 22a are
(Strictly, slightly below).

By the way, in the embodiment of the present invention, the right and left side portions 13, 14 constituting the cowling 10 are provided.
The slotted insertion holes 13A and 14A into which the bits 51 of the screwdriver 50 are inserted are formed. Of these, the insertion hole 13A formed in the left side surface portion 13 is substantially the same front and rear position as the tooth portion 36a of the rotating body 36 in side view, and slightly below the lower end of the headlight mounting portion 22a. (See FIGS. 3 and 4). Also, an insertion hole 1 formed on the right side surface
3A is formed at a position substantially opposed to the tooth portion 39a of the rotating body 39. A cylindrical boss (guide member) 13B protruding toward the rotating body 36 is provided on the edge of the opening of the insertion hole 13A as shown in FIGS.
Are protruded by integral molding.

When adjusting the optical axis of the headlight 30 in the left-right direction by the optical axis adjusting device for a headlight constructed as described above, first, a screwdriver 50 having a cross-shaped tooth tip 51a is attached to the cowling 10 by a screwdriver. Is inserted into an insertion hole 12 </ b> A formed in the side surface portion 12, and the cutting edge 51 a of the screwdriver 50 is engaged with the tooth portion 33 a of the rotating body 33 provided on the headlight 30. Since the left side of the lower pipe 22 of the cowling brace 20 and the headlight mounting portion 22a are located near the inner side of the left insertion hole 12A, the bit 51 of the screwdriver 50 is inserted into the insertion hole 12A. After inserting the bit 51 while making the peripheral surface of the bit 51 come into contact with the front end of the left side of the lower pipe 22 and the lower end of the headlight mounting portion 22a, the cutting edge 51a of the bit 51 can be easily formed.
Can be guided to the tooth portion 36 a of the rotating body 36. That is, the bit 51 is guided to the left end of the lower pipe 22 at the front end on the left side and the upper and lower positions to the lower end of the headlight mounting part 22 to be guided to the teeth 36a of the rotating body 36. The blade portion 51a of 51 is guided by the tooth portion 36a of the rotating body 36, and meshes reliably.

Thereafter, when the screwdriver 50 engaged with the teeth 36a of the rotating body 36 is rotated, the rotating body 36 rotates together with the adjusting screw 35. As a result, the nut 33A screwed to the adjusting screw 35 moves in the front-rear direction together with the protrusion 33a provided on the back surface of the reflecting mirror 34. This movement moves in the front-rear direction around the bending point 41a of the connecting member 41 connecting the reflecting mirror 34 and the light housing 31. That is, the circular motion is performed in the front-rear direction (see FIGS. 8B and 9B). As a result, the setting direction of the front surface of the reflecting mirror 34 changes to the left and right, and accordingly, the direction of the optical axis also moves to the left and right.

When adjusting the optical axis of the headlight 10 in the vertical direction, the right side 1
The bit 51 of the screwdriver 50 is inserted from the insertion hole 13A formed in the rotary member 3 and the cutting edge 51a of the bit 51 is
This can be done by rotating the screwdriver 50 while meshing with the 9 tooth portions 39a. In this case, the insertion hole 13
If the bit 51 is inserted while being in contact with the inner surface of the cylindrical boss 13B formed along the opening of A, the bit 51
Can be easily guided to the tooth portion 39a of the rotating body 39, so that the cutting edge 51a of the bit 51 can be easily and reliably engaged with the tooth portion 39a of the rotating body 39.

If the screwdriver 50 is rotated while the bit 51 and the rotating body 39 are engaged with each other, the rotating body 39 is rotated.
At the same time, the adjusting screw 38 rotates, and the nut 34B screwed to the adjusting screw 38 advances and retreats, and the reflecting mirror 34 is moved up and down around the bending point 41a of the connecting member 41 as shown by the one-dot chain line in FIG. Make a circular motion in the direction. Thereby, the reflecting mirror 34
The angle of the front surface changes vertically, and the direction of the optical axis also moves vertically. As described above, according to the present invention, the rod-shaped tool such as the screwdriver 50 is attached to the cowling body 1.
The screwdriver 50 can be easily engaged with the rotating body 36 by being inserted from the insertion holes 12A and 13A formed on both side surfaces of the vehicle 1. Therefore, the occupant can easily adjust the optical axis even while sitting on the seat 5. Can be adjusted.

In the first embodiment, the cutting edge 51a of the bar-shaped tool (screwdriver) 50 is connected to the rotating bodies 36, 3
9 is used as the guide member for insertion from the left side, the left side of the lower pipe 22 and the lower end of the headlight mounting portion 22a are used, and when inserted from the right side 13, a cylindrical boss 13B is used. However, a member dedicated to guiding the bar-shaped tool may be provided on the cowling brace or the like. For example, as in a second embodiment of the present invention shown in FIG.
The lower pipe 22 of the cowling brace 20 is provided with a cylindrical guide member 22A so that the insertion hole 12
The tool inserted from A, 13A may be guided. Here, the inner surface of the guide member 22A is tapered so that the tool 50 can be easily inserted into the guide member 22A and can be accurately guided to the rotating bodies 36 and 39. Although only the guide member 22A provided on the left side surface of the lower pipe 22 is shown here, a guide member for guiding to the rotating body is similarly provided on the right side surface.

In each of the above embodiments, the case where different guide members are provided on the left side surface 12 and the right side surface 13 has been described as an example. However, the same guide member may be provided on both left and right side surfaces. The invention is not particularly limited to the above embodiments.

[0023]

As described above, according to the present invention, after inserting a rod-shaped tool from the insertion hole formed in the side surface of the cowling, the tool is easily inserted inward while making contact with the guide member. The tip of the tool can be engaged with the guide member. For this reason, even if the rider is in the motorcycle, the rider can perform the adjustment work smoothly, and workability is greatly improved.

[Brief description of the drawings]

FIG. 1 is a left side view of a motorcycle to which the present invention is applied.

FIG. 2 is a left side view showing the first embodiment of the present invention.

FIG. 3 is an exploded perspective view showing the first embodiment of the present invention.

FIG. 4 is a front view showing a headlight and a cowling brace shown in FIG. 3;

FIG. 5 is a left side view of the cowling brace shown in FIG. 4;

FIG. 6 is a front view of what is shown in FIG.

FIG. 7 is a plan view of what is shown in FIG. 6;

FIG. 8 is a view showing the headlight shown in FIG. 2;
(A) is a front view, (b) is AA of the one shown in (a).
(C) is a rear view of the one shown in (a).

FIG. 9 (a) is a left side view of the one shown in FIG. 8 (a),
(B) is a cross-sectional view taken along the line CC of the one shown in FIG.
(C) is a cross-sectional view taken along the line DD of the one shown in FIG.
(D) is an explanatory side view showing the meshing state between the rotating body and the screwdriver shown in (c) and (d).

FIG. 10 is a right side view of the cowling according to the first embodiment of the present invention.

FIG. 11 is a sectional view taken along line EE of FIG.

FIG. 12 is an explanatory front view showing a second embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 motorcycle 2 frame 2a front end 11 cowling 12A, 13A insertion hole 13B boss (guide member) 20 cowling brace (coulling support) 22 lower pipe 22a lamp mounting part 22 cowling brace (cowling support) 30 headlight 33 lens (Light emitting surface) 36, 39 Rotating body 50 Screwdriver (bar-shaped tool)

Claims (2)

[Claims] 1. A cowling fixed to a cowling support fixed to a front end of a frame so as to cover at least an upper front part and both left and right sides of a vehicle body, and a light projecting surface is exposed from a front part of the cowling. And a headlight whose left and right sides are covered by the cowling, wherein the headlight can adjust the optical axis of the headlight by rotating a rotating body that can be engaged with and disengaged from the tip of a predetermined bar-shaped tool. In the motorcycle as described above, an insertion hole for inserting the rod-shaped tool is formed in at least one side surface of the cowling, and a tip end of the rod-shaped tool inserted through the insertion hole is moved to an engagement position with the rotating body. A headlamp optical axis adjusting device for a motorcycle with a cowling, wherein a guide member for guiding is provided on a cowling support. 2. A headlight having a cowling fixed so as to cover an upper front portion and both left and right sides of a vehicle body, and a light emitting surface being exposed from a front portion of the cowling and both right and left side surfaces being covered by the cowling. With
In the motorcycle, the headlight is a motorcycle that is capable of adjusting the optical axis of the headlight by rotating a rotating body that can be engaged and disengaged with a tip end of a predetermined bar-shaped tool. Along with forming an insertion hole for inserting the rod-shaped tool, a guide member for guiding a tip end of the rod-shaped tool inserted through the insertion hole to an engagement position with the rotating body is provided, and the guide member is at least A headlamp optical axis adjusting device for a motorcycle with a cowling, characterized by being formed by a cylindrical boss contacting the outer periphery of a rod-shaped tool inserted from the insertion hole.