JPH0536745Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Field of Application] The present invention relates to an automobile lamp, and more particularly to an automobile lamp capable of preventing the generation of wind noise when the automobile is traveling at high speeds, etc.

[Conventional technology]

For example, a conventional headlamp a attached to the front end of the front body of an automobile is, as shown in FIG. It consists of a lamp unit 5 attached to the housing 3 and equipped with a lens 4 at the front end,
A lens 4 is held in front of the front opening 6 of the lamp housing 3, and the tip edge 9 of the front opening end 8 of the lamp housing 3 is placed opposite to the rear of the peripheral edge 7 of the lamp housing 3 with a distance therebetween. Reference numeral 10 indicates a tip edge 9 inside the front opening end 8 of the lamp housing 3.
This inner wall 10 and the tip end edge 9 form a mounting groove 11. Reference numeral 12 denotes a protruding wall formed protrudingly from the back surface 13 of the peripheral edge 7 of the lens 4, and this protruding wall 12 is fitted into the mounting groove 11 of the lamp housing 3 via a sealing member 14 having a U-shaped cross section. . The headlamp a having the above structure holds the lens 4 substantially on the same plane as the front surface 15 of the front body 1, and has a gap 18 of a predetermined size between the circumferential outer surface 16 and the front end inner surface 17 of the front body 1. It is attached to the front body 1 in a state where it is formed.

Incidentally, when a car is running at high speed, wind flows into the space 18 between the front body 1 and the headlamp 2, and at this time, the front corner part 1 of the peripheral edge 7 of the lens 4 constituting the conventional headlamp a.
9 and the leading edge outer corner portion 20 of the front opening end 8 of the lamp housing 3 are formed into a right-angled surface, so that the traveling air flows through the front corner portion 19 of the lens 4 or the leading edge outer corner portion 20 of the lamp housing 3. collide with As a result, the wind flowing into the space 18 flows irregularly in the front, rear, right and left directions, creating turbulence and generating wind noise.

Therefore, conventionally, as shown in FIG. 3, a sealing member 21 is installed in the space 18 between the front body 1 and the headlamp a, and this sealing member 21 prevents the running wind from becoming turbulent in the space 18. This prevents wind noise from occurring.

Other conventional means for preventing the generation of wind noise during high-speed driving is disclosed in Japanese Utility Model Application Publication No. 58-25782. In this known technique, a sealing member is installed between the upper surface of an automobile lamp and the inner surface of the front end of the hood.

[The problem that the idea aims to solve]

According to the conventional automobile headlamp, in order to prevent wind noise from occurring during high-speed driving, etc., a space 18 is provided between the front end circumferential outer surface 16 of the headlamp a and the front end inner surface 17 of the front body 1. The sealing member 21 has to be installed, which increases the number of parts, making control expensive, and also requires time and effort to install the sealing member 21, resulting in extremely poor workability. Jitsukai Showa 58-25782
A similar problem occurred with the known technology described in the publication.

[Means to solve the problem]

The present invention was proposed in view of the above-mentioned problems, and is an automobile lamp mounted on the front end of a front body with a gap formed between the inner surface of the front end of the body and the front end of the front body. The lamp includes a lamp housing disposed at the front end of the front body and having an open front surface, and a lens attached to the lamp housing and held at the front end of the front opening of the lamp housing. and a lamp unit in which the tip edge of the front opening end of the lamp housing is arranged opposite to the rear of the periphery of the lens, and the tip surface of the front opening end of the lamp housing is brought into contact with the back of the periphery of the lens. At the same time, the peripheral edge of the lens is made to protrude outward by a predetermined distance from the tip edge of the front opening end of the lamp housing, and a curved surface with a predetermined curvature is formed on the protruding peripheral edge.

[Effect]

Even if the wind flows into the space between the front body and the lamp when the car is running at high speed, the wind flows along the curved surface formed on the periphery of the lens that makes up the lamp unit. Because it flows into the
The wind flowing through the vehicle flows in a laminar state. Therefore, turbulence does not occur within the above gap, and wind noise can be reliably prevented from occurring.

〔Example〕

The following is a first embodiment of the headlamp B according to the present invention.
The explanation will be as follows with reference to the drawings. Components that are the same as those shown in FIG. 2 are denoted by the same reference numerals and explanations will be omitted.

The feature of the present invention is that the leading edge 9 of the front opening end 8 of the lamp housing 3 is extended forward, and the leading end face 31 of the extended leading edge 9 is connected to the lamp unit 5.
The peripheral edge 7 of the lens 4 is brought into contact with the back surface 13 of the peripheral edge 7 of the lens 3 constituting the lamp housing 3, and the peripheral edge 7 of the lens 4 is moved a predetermined distance l outward from the peripheral outer surface 16 of the front opening end 8 of the lamp housing 3, for example. It is made to protrude by 2 mm, and a curved surface 32 of a predetermined curvature is formed on the front side corner portion 19 of this protruded peripheral edge 7.

Therefore, when the car is running at high speed, the wind blows across the gap 1 between the front body 1 and the headlamp b.
At this time, the traveling wind flows into the curved surface 3 of the peripheral edge 7 of the lens 4 constituting the lamp unit 5.
2 into the gap 18, the traveling wind flows in the gap 18 in a laminar flow state. Therefore, turbulence does not occur within the space 18, and
Wind noise can be reliably prevented from occurring.

In the above embodiment, the case of a headlamp has been described, but the present invention is not limited thereto, and can be applied to all automotive lamps installed at the front end of the front body of an automobile.

[Effect of idea]

According to the present invention, even if the wind flows into the space between the front body and the lamp when the car is running at high speed, the wind flows along the curved surface of the periphery of the lens constituting the lamp unit. Since the water flows into the above-mentioned space, turbulence does not occur within the space.
Wind noise can be reliably prevented from occurring. Moreover, it has a simple structure and is easy to manufacture, reducing costs, and there is no need to install a sealing member as in the past, so work efficiency can be greatly improved. .

[Brief explanation of the drawing]

FIG. 1 is an explanatory sectional view of a main part showing an embodiment of an automobile lamp according to the present invention. FIG. 2 is a cross-sectional explanatory view showing the main parts of a conventional headlamp, and FIG. 3 is a cross-sectional view showing the main parts of a conventional wind noise generation prevention means. DESCRIPTION OF SYMBOLS 1...Front body, 2...Front end, 3...Lamp housing, 4...Lens, 5...Lamp unit, 6...Front opening, 7...Periphery, 8...
Front opening end, 9... Tip edge, 31... Tip surface, 3
2...Curved surface.

Claims (1)

[Claims for Utility Model Registration] An automobile lamp mounted on the front end of a front body with a gap formed between the inner surface of the front end of the body, the lamp being attached to the front end of the front body. a lamp housing disposed in the lamp housing and having an open front; and a lamp unit having a lens attached to the lamp housing and held at the front end of the lamp housing in front of the front opening of the lamp housing; In the lamp housing, the leading edge of the front opening end of the lamp housing is arranged opposite to the rear of the peripheral edge of the lens, and the leading edge of the front opening end of the lamp housing is brought into contact with the back surface of the peripheral edge of the lens, and the peripheral edge of the lens is 1. A lamp for an automobile, characterized in that the lamp housing protrudes outward by a predetermined distance from the tip edge of the front opening end of the lamp housing, and a curved surface with a predetermined curvature is formed on the protruding circumferential edge.