JPH0544394B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the structure of a cowling device that covers the periphery of a headlamp in a vehicle such as a motorcycle or a tricycle.

[Prior Art] A cowling device for a motorcycle includes a cowling body made of synthetic resin, and a light projection opening through which the front lens of a headlamp faces is opened in the front surface of the cowling body.

In this case, if there is a large gap between the inner peripheral edge of the light projection opening and the lens frame that holds the front lens, the inside of the cowling body will be visible from the front through this gap, resulting in an unsightly appearance. Conventionally, the inner periphery of the light projection opening was placed close to the lens frame.
Efforts are being made to make the above distance as small as possible.

[Problems to be Solved by the Invention] However, in such a conventional configuration, there is a limit to the amount of space between the light emitting opening and the lens frame due to the dimensional tolerance of the cowling body. There will still be a relatively large gap in between. For this reason, the inside of the cowling body becomes easily visible through the gap, resulting in a problem that the appearance deteriorates.

Furthermore, in order to improve the illumination performance and light distribution characteristics of the headlamps, when two headlamps are installed on the left and right sides, two light projection openings are opened side by side on the front of the cowling body, which is exposed to wind pressure while driving. Therefore, the front surface of the cowling body made of synthetic resin may lack strength, and there is a possibility that the front surface of the cowling body may be deformed by wind pressure.

Moreover, since the front lenses are heated to a high temperature while the lamps are on, especially when the headlamps are arranged side by side, heat tends to accumulate in the areas sandwiched by the left and right front lenses. For this reason, the thermal influence on the cowling body becomes extremely large, and restrictions arise in various aspects, such as the need to mold the cowling body from a resin material with excellent heat resistance.

The present invention has been made based on the above circumstances, and it is difficult to see the inside of the cowling body through the light projection openings, and even though the light projection openings are lined up on the left and right, it is difficult to see the inside of the cowling body through the light projection openings. The front of the cowling body, which receives wind pressure inside, can be reinforced at the same time.
In addition to preventing deformation due to wind pressure, it also increases ventilation around the light projection opening without damaging the appearance of the cowling body, and reduces the heat effect from the front lens on the cowling body.
Another object of the present invention is to provide a cowling device for a vehicle such as a motorcycle, which can protect a front lens by using a cowling body.

[Means for Solving the Problems] In order to achieve the above object, the cowling device of the present invention includes a pair of left and right headlamps, covers the periphery of these headlamps with a synthetic resin cowling body, and covers the front side of the cowling body. Left and right light emitting openings are formed facing the headlamp, and the opening peripheries of these light emitting openings are provided with:
A flange portion extending inward of the cowling body over its entire circumference is formed, and the flange portion is brought closer to the outer peripheral surface of the front lens of the headlamp, and the front lens of the headlamp is closer to the cowling body than the front surface of the cowling body. The lens is arranged in a recessed manner inside the main body, and is opened at the front of the cowling main body between the left and right light projection openings through a communication part that is smaller in vertical dimension than the front lens. It is characterized in that it communicates with each other.

[Function] According to such a configuration, even if the light emitting opening and the front lens are separated, since the flange portion is present at the opening periphery of the light emitting aperture, the light emitting opening This makes it difficult to see the inside of the cowling body, and the appearance improves accordingly.

In addition, this flange also functions as a rib that reinforces the front surface of the cowling body, so even though two light emitting openings are opened side by side on the front surface of the cowling body, which is exposed to wind pressure while driving, this Sufficient front strength can be ensured.

Moreover, since the left and right light projection openings are communicated through a communication section that opens on the front surface of the cowling body, outside air is circulated between the light projection openings through this communication section, and While the vehicle is running, running wind and outside air flow into both of the light projecting openings through the communication portion, and the ventilation around the light projecting openings is improved accordingly. In particular, in the present invention, there is a flange portion that covers the front lens, and the heat of the front lens is likely to be trapped inside this flange portion. can be kept to a minimum.

The communication part located between the light projection openings has a vertical dimension smaller than that of the front lens, so the presence of this communication part is difficult to notice from the outside, and a horizontally long part is placed on the front of the cowling body. There are no large holes. Therefore, the light projection openings are maintained in an independent shape, and the appearance of the cowling body can be maintained in a good condition.

Furthermore, the front lens of the headlamp is recessed inside the cowling body rather than the front of the cowling body, so even if foreign objects such as mud or pebbles fly from the front while driving, this foreign object will directly collide with the front lens. This reduces the probability that this front lens will be damaged. In this case, there is a space surrounded by the front lens and the flange wall inside the light projection opening, but since this space communicates with each other through the communication part, light tends to stay here. The heat is scavenged by the outside air flowing in through the communication section or by the running wind. Therefore, even though there is a space inside the light projection opening with the front lens at the bottom, heat exhaustion from this space can be promoted.

[Embodiment] An embodiment of the present invention will be described below based on drawings in which the present invention is applied to a motorcycle.

The frame designated by reference numeral 1 in FIG. 1 is provided with a steering head pipe 2 at its front end. A front fork 3 is pivotally supported on the steering head pipe 2.
An engine 4 is located behind the vehicle.

In front of the steering head pipe 2, two left and right head lamps 5, 5 are arranged.
The area around the headlamps 5, 5, on the left and right sides of the engine 4, and below is integrally covered with a cowling 6 according to the present invention.

This cowling 6 is an injection molded product using a synthetic resin material, and includes an atsupa cowling 7 as a cowling body that covers the upper part of the front fork 3 from around the headlamps 5, 5, and an atsupa cowling 7 as a cowling body that covers the upper part of the front fork 3 from around the headlamps 5, 5, and from the left and right sides of the engine 4. It is divided into an under cowling 8 that covers the lower part, and left and right side cowlings 9, 9 located between both of these cowlings 7, 8. These cowlings 7, 8, and 9 are integrally connected by bolts, and are assembled and fixed to the frame 1 via support stays (not shown).

The Atsupaka cowling 7 has a front wall 10 facing the traveling direction of the motorcycle, and side walls 11, 11 extending rearward from both left and right sides of the front wall 10,
Headlamps 5, 5 are housed in spaces surrounded by these walls 10, 11.

The head lamps 5, 5 are constructed by incorporating a circular front lens 13 into the front opening of a lamp body 12 housing a small light bulb, and fixing this front lens 13 with a lens frame 14.
Each of them is arranged behind the front wall 10 with the front lens 13 facing forward.

On the other hand, three support stays 15 are provided on the front surface of the steering head pipe 2 to project forward. A support frame 1 surrounding the headlamps 5 is disposed between the front ends of the support stay 15.
6 is attached. Lamp bodies 12, 12 of the head lamps 5, 5 and a housing 18 that integrally covers these head lamps 5, 5 from the rear are supported inside this support frame 16 via a bracket 17. This housing 18
has a substantially box-like shape with an opening on the front lens 13 side, and completely covers the lamp bodies 12, 12, and the inner peripheral surface on the opening 19 side is close to the outer periphery of the lens frame 14.

In the front wall 10 of the atsupaka cowling 7, a pair of circular light projection openings 20, 20 are opened side by side, facing the headlamps 5, 5. The front lenses 13, 1 of the head lamps 5, 5 are then passed through these light projection openings 20, 20.
3 are exposed to the outside, and these front lenses 1
3 and 13 are recessed further inside the atsupaka cowling 7 than the front wall 10, as shown in FIG.

The light projection openings 20, 20 are communicated with each other via a communication portion 20a. As shown in FIG. 5, the communication portion 20a is located between the light projection openings 20, 20, and the communication portion 20a is connected to the light projection openings 20, 20 through the Atsupaka cowling. 7
It is opened in the front wall 10 of. The vertical dimension L of this communicating portion 20a is smaller than the diameter D of the front lens 13, as shown in FIG.

A flange portion 21 extending toward the inside of the atsupaka ring 7 is integrally formed around the entire periphery of the light projection openings 20 , 20 . The shape of the opening formed by the tip of the flange portion 21 matches the shape of the opening 19 of the housing 18 . Due to the draft angle of the mold for molding the Atsupaka cowling 7, this flange portion 21 has a light projection opening 20,
20, and the tip of this flange portion 21, as shown enlarged in FIG.
and the inner circumferential surface of the housing 18 . Therefore, the inner peripheral surface of the flange portion 21 is close to the lens frame 14 of the head lamps 5, 5 and the outer peripheral surface of the front lens 13, and the front lens 13 is located inside the light projection openings 20, 20.
A space 27, 27 surrounded by the flange portion 21 and the flange portion 21 is formed. As is clear from FIG. 5, the flange portion 21 is also formed continuously on the periphery of the opening of the communication portion 20a.

In addition, right and left flasher lamps 23, 23 and back mirrors 24, 24 are supported on the left and right sides of the support frame 16, and a transparent wind screen 25 is attached to the upper edge of the atsupaka cowling 7. .

According to such a configuration, the flange portion 21 extending toward the inside of the atsupa cowling 7 is integrally formed on the opening edges of the left and right light projection openings 20, 20, and the flange portion 21 Since the inner circumferential surface of the headlamp 5 is brought close to the outer circumferential surface of the front lens 13 of the head lamps 5, 5, even if the light emitting openings 20, 20 and the front lens 13 are separated, these light emitting openings 2
0 and 20, the inside of the Atsupaka cowling 7 becomes difficult to see and the appearance is improved.

In particular, in the case of this embodiment, the tip of the flange portion 21 is interposed in the gap 22 between the inner peripheral surface of the housing 18 that covers the headlamps 5, 5 from the rear and the outer peripheral surface of the lens frame 14. , this interval 22
does not open inside the atsupaka cowling 7. Therefore, the inside of the atsupaka cowling 7 cannot be seen through the light projection openings 20, 20, which is more convenient in terms of appearance.

Moreover, since the circumferential surface of the flange portion 21 is close to the outer circumferential surface of the front lens 13, the front lens 1
The flange portion 21 can prevent the light emitted from the outer circumferential surface of the cowling 3 from leaking into the inside of the atsupaka cowling 7.

Therefore, there is no need to provide a special molding material for preventing light leakage, and the number of parts can be reduced accordingly, thereby reducing costs.

Further, the flange portion 21 has light projection openings 5, 5.
Since it is provided around the entire circumference of the opening,
This flange portion 21 also functions as a rib reinforcing the front wall 10 of the Atsupaka cowling 7. Therefore, while the motorcycle is running, the front wall 1 receives wind pressure.
Even though the two light projection openings 20, 20 are opened side by side at 0, the strength of this front wall 10 can be ensured sufficiently, and deformation of the front wall 10 can be prevented without taking special reinforcement measures. It can be prevented.

Moreover, according to the above configuration, the light emitting opening 2
0 and 20 are communicated with each other via a communication part 20a that opens in the front wall 10 of the Atsupaka cowling 7, so that outside air can flow between the light projection openings 20 and 20 through this communication part 20a. It will be done.
At the same time, while the motorcycle is running, the communication part 2
Since the running wind flows from 0a into both the light projecting openings 20, 20, these light projecting openings 20, 20
Improves ventilation around the area.

In particular, in the Atsupaka cowling 7 having the above configuration, the outer peripheral surface of the front lens 13, which is heated to a high temperature during lamp lighting, is surrounded by the flange portion 21, and the heat of the front lens 13 is likely to be trapped inside the flange portion 21. Therefore, as described above, the light emitting openings 20, 2
If the air permeability of the cowling 7 is improved, the thermal influence on the front wall 10 of the Atsupaka cowling 7 can be suppressed to a small extent.

Therefore, deformation of the thick cowling 7 due to heat can be prevented, and restrictions on the material of the hot cowling 7 can be relaxed.

The communication portion 20a located between the light projection openings 20, 20 has a vertical dimension L smaller than the diameter D of the front lens 13, so the presence of the communication portion 20a is hardly noticeable from the outside. Therefore, a large horizontally long hole is not formed in the front wall 10 of the Atsupaka cowling 7. For this reason, the light emitting openings 20, 2
0 are each kept in an independent shape, and the appearance of the Atsupaka cowling 7 can be maintained well.

In addition, the front lens 13 of the head lamps 5, 5
is recessed further inside the Atsupa cowling 7 than the front wall 10 of the Atsupa cowling 7, so even if foreign objects such as mud or pebbles are scattered from the front while the motorcycle is running, these foreign objects will be thrown into the front lens 13. The probability of direct collision is reduced. Therefore, the front lens 13 can be protected using the atsupaka cowling 7, and the front lens 13 is less likely to be damaged.

When the front lens 13 is recessed from the front wall 10 of the Atsupaka cowling 7 in this way, the flange portion 21 is located inside the light projection openings 20, 20.
A space 27 is formed surrounded by the front lens 13 and the front lens 13, and there is a possibility that the heat of the front lens 13 may stay there.

However, as described above, the light projection openings 20, 2
0 are in communication with each other via the communication section 20a, so the hot air that tends to accumulate in the space 27 is scavenged by the running wind and outside air flowing in through the communication section 20a. From this, the light emitting opening 2
Despite the fact that there is a space 27 with the front lens 13 at the bottom inside the lenses 0 and 20, this space 27
heat exhaustion can be promoted. Therefore,
The structure in which the light emitting openings 20, 20 are communicated with each other through the communication part 20a is particularly advantageous when the front lens 13 is recessed inside the atsupakowling 7, and can further reduce the influence of heat on the atsupakowling 7. can be kept to a minimum.

In the above embodiment, the front lens of the headlamp and the light emitting opening are circular, but the present invention is not limited to this, and may be square, for example.

Further, the cowling device according to the present invention is not limited to one that integrally covers the area around the engine;
It is sufficient as long as it covers at least the area around the headlamp.

[Effects of the Invention] According to the present invention described in detail above, the presence of the flange portion connected to the light projection opening makes it difficult to see the inside of the cowling body from the light projection opening, and the appearance is improved accordingly. improves.

In addition, the flange part also functions as a rib that reinforces the front surface of the cowling body. Sufficient strength can be ensured, and deformation of the cowling body can be prevented without taking special reinforcing measures.

Moreover, outside air is circulated between the light projection openings through the communication part, and while the vehicle is running,
Since the traveling wind flows into both of the light projecting openings from the communication portion, the ventilation around these light projecting openings is improved. Therefore, even if the outer peripheral surface of the front lens, which becomes hot when the lamp is lit, is surrounded by the flange, the heat will not be trapped here, so the thermal effect on the cowling body can be kept to a minimum, and heat-induced Deformation of the cowling body can be prevented, and restrictions on the material of the cowling body are relaxed. In this case, the communication part is small in vertical dimension and is not noticeable from the outside, so the light projection openings are kept in an independent shape and the front appearance of the cowling body is maintained well. can do.

In addition, since the front lens is recessed from the front of the cowling body, even if foreign objects such as mud or pebbles are scattered from the front while driving, there is less chance of this foreign object directly colliding with the front lens. It can be protected using the cowling body. In this case, a space surrounded by the flange and the front lens is formed inside the light projection opening, and there is a risk that the heat of the front lens will accumulate in this space. is scavenged by the running wind and outside air flowing in through the communication part. As a result, the heat dissipation from the space is promoted, so the structure in which the light projection opening is communicated with the communication part is particularly advantageous when the front lens is recessed inside the cowling body. Thermal effects on the main body can be further suppressed.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, and FIG. 1 is a side view of the front area of the motorcycle, FIG. 2 is a cross-sectional side view of the headlamp area, and FIG. 3 is an enlarged view of the middle part of FIG. 4 is a sectional view taken along the line - in FIG. 2, and FIG. 5 is a sectional view taken from the line in FIG. 2. 5... Head lamp, 7... Cowling body (Atsupaka cowling), 13... Front lens, 20
...Light projection opening, 20a...Communication section, 21...
Flange part, between 22...〓.

Claims (1)

[Scope of Claims] 1. A pair of left and right headlamps is provided, and the periphery of these headlamps is covered with a synthetic resin cowling body, and left and right light projection openings are formed in the front face of the cowling body facing the headlamps. A flange portion extending inside the cowling body over the entire circumference is formed on the opening periphery of these light projection openings, and this flange portion is brought close to the outer peripheral surface of the front lens of the headlamp, The front lens of the headlamp is arranged to be recessed inside the cowling body rather than the front surface of the cowling body, and the space between the left and right light projection openings is opened in the front face of the cowling body, and 1. A cowling device for a vehicle such as a motorcycle, characterized in that the cowling device communicates with the front lens through a communication portion having a vertical dimension smaller than that of the front lens.