JPH04105403U - projector pho lamp - Google Patents

Abstract

(57) [Summary] [Purpose] When aiming to sell conventional projector-type fog lamps, the structure becomes complex and large, especially in the depth direction, which results in many car models that cannot be equipped with it. We will try to solve the problems that make it lacking in sex. [Structure] The holder 4 is formed into a substantially cylindrical shape having a claw portion 4a at the tip for hooking the front end of the outer edge 5a of the projection lens 5, and the rear end of the outer edge 5a of the projection lens 5 is attached to the inner diameter side of the holder 4. A stepped portion 4c is provided to fasten together the lens holding fitting 7 and the light shielding plate 6, which are fixed by pressing from above.
By setting the projector fog lamp 1 with
It is possible to make the projector fog lamp 1 more compact in the depth direction, and the projector fog lamp 1 itself has an airtight structure with the cylindrical holder 4, which eliminates the need for a housing, making it possible to further reduce the size.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This invention relates to fog lamps installed in automobiles, and in detail, This relates to a fog lamp with a projector-type structure.

0002

[Conventional technology]

An example of the configuration of a conventional projector type fog lamp 90 is shown below. 4, for example, a reflecting mirror 91 having a spheroidal surface has a surface that intersects with the axis of rotation (optical axis). A socket part 91a is provided on the bottom, and a light source such as a light bulb filament is placed at one focal point. 92 is provided, and an appropriate flange 91b is provided on the opening surface side of this reflecting mirror 91. For example, a housing consisting of four belt-shaped legs 93a and a lens seat surface 93b is provided. A projection lens 94 is attached to the lens seat surface 93b. It is attached by caulking or the like with a ring 95, and is connected to the reflector 91 of the leg portion 93a. A light shielding plate 96 is provided at an appropriate position between the projection lens 94 and the projection lens 94 for setting light distribution characteristics. It is designed to be attached with screws, etc.

0003

[Problem that the idea aims to solve]

However, the configuration of the conventional fog lamp 90 described above is Holder 93 such as caulking the mounting ring 95 or screwing the light shielding plate 96. There are many surrounding machining steps, which causes problems such as complicated assembly.Secondly, the reflective Since the socket part 91a is provided along the optical axis of the mirror 91, the front of the fog lamp 90 The rear dimension is long, so for example, it is a commercially available part and cannot be installed by the user. This type of fog lamp 90, which is often used, can be installed depending on its length. This creates the problem that the number of available car models is limited and the marketability is low, and furthermore, the above configuration For example, as seen in the holder 93, it lacks airtightness, so it is difficult to make it waterproof. As a result, the housing becomes larger and larger, which aggravates the above-mentioned problems. Therefore, resolving these issues has become an issue.

0004

[Means to solve the problem]

The present invention uses a reflector as a specific means to solve the above-mentioned conventional problems. , a light source attached to a predetermined position of the reflecting mirror, and a holder attached to the reflecting mirror. A projector consisting of a light-shielding plate and a projection lens is placed at a predetermined position relative to this reflecting mirror. In the projector fog lamp, the holder hangs the front end of the outer edge of the projection lens. It is formed into a substantially cylindrical shape with a claw portion at the tip for attaching the lens, and the projection lens is mounted on the inner diameter side. a lens holding fitting for fixing the projection lens by pressing the rear end of the outer edge of the lens from the back side; A stepped portion is provided that fastens together with the light shielding plate, and the light source is located in the lower half of the reflector. The socket part is arranged and installed in a position shielded by the light shielding plate. Solve the conventional problems by providing a projector fog lamp featuring It is something to do.

[0005]

【Example】

Next, the present invention will be explained in detail based on an embodiment shown in the drawings. What is indicated by the reference numeral 1 in Fig. 1 is a projector fog lamp (hereinafter referred to as a fog lamp) according to the present invention. (abbreviated as fog lamp 1), and this fog lamp 1 has, for example, an ellipsoid of revolution. a reflecting mirror 2 and a filament of a light bulb disposed at one focal point of the reflecting mirror 2. A light source 3, a holder 4 attached to the reflecting mirror 2, and a predetermined position by the holder 4. It is different from the conventional example in that it consists of a projection lens 5 and a light shielding plate 6 arranged in the The same is true.

[0006] However, according to the present invention, the holder 4 has a substantially cylindrical shape unlike the conventional example. At the front end, that is, at the front side in the irradiation direction, at the front end of the outer edge 5a of the projection lens 5. A hook portion 4a for hanging is provided, and a flange for fastening to the reflecting mirror 2 is provided at the rear end. 4b is provided. In addition, a stepped portion 4c is provided on the inner diameter side of the holder 4 as shown in FIG. The projection lens 5 hooked to the claw part 4a is pressed from the back side to fix it. The lens holding fitting 7 and the light shielding plate 6 having a substantially semicircular shape are fastened together by screws 4d. It is configured so that it can be attached to a predetermined position on the inner surface of the holder 4, and the lens pusher After the fitting 7 and the light shielding plate 6 are attached, this holder 4 is attached to the flange 4b. is fastened to the reflecting mirror 2 by.

[0007] FIG. 3 shows the structure of a reflecting mirror 2 according to the present invention, in which the light source 3, the optical path of the projection lens 5 is blocked by the light shielding plate 6. installed in the lower half of the reflector 2, which is mostly shielded from the This allows the installation direction of the light bulb (light source 3) to be aligned with the optical axis of the reflecting mirror 2. By arranging it in a direction perpendicular to I don't have anything to release.

[0008] Next, we will explain the operation and effects of the fog lamp 1 of the present invention configured as explained above. To explain this, first, the holder 4 is attached to the outer edge 5 of the projection lens 5 using the claw portion 4a. It is formed into a substantially cylindrical shape and is attached to the front end of the lens a, and a lens presser is attached to the stepped portion 4c provided on the inner diameter side. By configuring the fixture 7 and the light shielding plate 6 to be attached together, it is possible to attach the projection lens 5 and The installation of the light shielding plate 6 can be done in one step, and the process for this holder 4 part can be done in one step. This simplifies the

[0009] In addition, by providing the socket part 2a in the lower half of the reflector 2, the light bulb that is the light source 3 The direction of the axis is perpendicular to the optical axis of the reflector 2, and it projects backward from the rearmost part of the reflector 2. This eliminates the need to extend the fog lamp 1, making it possible to shorten the dimensions of the fog lamp 1 in the optical axis direction (depth). do. Incidentally, at this time, the position where the socket portion 2a is provided is originally blocked by the light shielding plate 6. Since the location is shielded from the optical path of the shadow lens 5, it is emitted from the projection lens 5. The loss in light amount is practically negligible.

0010 In addition, since the holder 4 is formed into a substantially cylindrical shape, it can be easily attached to the projection lens 5. The part, the fastening part with the reflecting mirror 2, and the socket part 2a and the light bulb are made of rubber members, for example. By sealing with gasket 8, this fog lamp 1 can be used with housing etc. It can be made completely airtight without having to worry about it.

[0011]

[Effect of the idea]

As explained above, with this invention, the first step is to attach the projection lens to the holder. It is formed into a substantially cylindrical shape with a claw portion at the tip, and the projection lens is fixed on the inner diameter side. By having a structure with a stepped portion for tightening the lens holding metal fitting and the light shielding plate together, the above-mentioned problem can be achieved. The projection lens and light shielding plate can be assembled in one process, which improves production efficiency. The second reason is that a socket is provided in the lower half of the reflector. This is especially necessary for this type of fog lamp, as it allows the bulb to be mounted at right angles to the optical axis. For example, it is possible to reduce the size in the depth direction, which is considered to be This has an excellent effect on increasing marketability. In addition to the above, since the holder is formed into a substantially cylindrical shape, it can be used for projection lenses, reflectors, etc. By using gaskets on the main parts, the fog lamp itself becomes waterproof. This makes it possible to simplify and downsize the process described above by eliminating the need for a housing. It has the following effects.

[Brief explanation of drawings]

FIG. 1 is an exploded perspective view of an embodiment of a projector fog lamp according to the present invention.

FIG. 2 is a sectional view taken along line AA in FIG. 1.

3 is a sectional view taken along line BB in FIG. 1. FIG.

FIG. 4 is a sectional view showing a conventional example.

[Explanation of symbols]

1...Projector fog lamp 2...Reflector 2a...Socket part 3...Light source 4...Holder 4a...Claw part, 4b...Flange, 4c...Step part 5...Projection lens 5a... Outer edge 6... Light shielding plate 7...Lens holding bracket 8...Gasket

Claims (1)

[Scope of utility model registration request] 1. A projector fog lamp comprising a reflector, a light source attached to the reflector at a predetermined position, a light shielding plate and a projection lens arranged at a predetermined position with respect to the reflector by a holder attached to the reflector. In the holder, the holder is formed into a substantially cylindrical shape having a claw portion at the tip for hooking the front end of the outer edge of the projection lens, and the rear end of the outer edge of the projection lens is pressed from the back side on the inner diameter side. A stepped portion is provided to fasten together a lens holding fitting for fixing the projection lens and the light shielding plate, and a socket portion of the light source is disposed at a position where the light source is shielded by the light shielding plate in the lower half of the reflecting mirror. A projector fog lamp characterized in that it is installed.