JPH0316767Y2 - - Google Patents

Description

[Detailed explanation of the invention] Industrial application field This invention is a room lamp installed in a car, etc., which has a narrow illumination angle and has a spot-like shape so that a passenger in the passenger seat can use it even while driving. is,
Furthermore, the invention relates to an eyeball structure provided so that the direction of irradiation can also be varied.

〓Prior art〓 The conventional eyeball structure provided in this type of spot lamp is as shown in Fig. 5, and the lamp body 21, which is the outer shell case of this spot lamp, has a predetermined maximum diameter. (diameter) and has a spherical concave surface up to its maximum diameter, that is, a hemispherical eyeball receiving part 22 is provided so that the maximum diameter is on the back side of the lamp body 21, and furthermore, this eyeball receiving part 22 An opening 21a of an appropriate diameter is also provided on the outer wall surface side of the lamp body 21. One eyeball part 23 has a spherical convex surface that has approximately the same maximum diameter (diameter) as the eyeball receiving part 22 and is longer than the hemispherical shape, and has a lens 2 on the hemispherical side.
A knob portion 23a into which 4 is fitted is formed,
The eyeball receiving portion 22 and the eyeball portion 23 have a spherical concave surface that extends the spherical concave surface provided on the eyeball receiving portion 22 so that the knob portion 23a protrudes from the opening 21a. It is attached with a ring 25, and at this time, by applying appropriate pressure to the eyeball part 23 with a spring 26, the eyeball part 23 can be slid freely and can adjust the illumination direction arbitrarily set by the user. A light source 27, such as a light bulb, is provided approximately to coincide with the center of rotation.

By doing so, this spot lamp can illuminate any direction by holding the knob 23a of the eyeball part 23 and pointing it in the desired direction.

<Problems to be Solved by the Invention> However, in the above-described conventional eyeball structure spout lamp, since the eyeball part 23 is attached from the back side of the lamp body 21, it is difficult to solve the problem when the core breaks. When it is necessary to replace the light source 27, it is necessary to remove the entire lamp body 21 including the eyeball structure, and this work is generally performed by the user, so it is difficult for users unfamiliar with this type of work to do so. This poses a problem in terms of maintenance, as it is complicated and difficult for many users.

〓Means for Solving the Problems〓 The present invention provides an eyeball receiving portion provided on the lamp body side and formed with a spherical concave surface as a specific means for solving the problems that occur in the conventional structure described above. an eyeball portion formed by a lens and a spherical convex surface that is separate from the lamp body and slidably attached to the eyeball receiving portion; and an eyeball portion that extends the spherical concave surface of the eyeball receiving portion. In the eyeball structure of a spot lamp, the eyeball receiving part is formed with a spherical concave surface and is composed of the eyeball receiving part and a ring for holding the mounting position of the eyeball part. The maximum diameter of the concave surfaces substantially coincides, and the outer wall surface side is an opening, and a portion is cut out to form a tongue shape so as to hold the eyeball by elasticity, and the eyeball portion has a spherical surface including the maximum diameter. By providing an eyeball structure for a spot lamp, characterized in that the eyeball part has a spherical convex surface and is slidably attached to the opening from the outer wall surface side.
This is to solve the above-mentioned conventional problems.

〓Example〓 Next, the present invention will be explained in detail based on an example shown in the drawings.

What is indicated by the reference numeral 1 in FIG. 1 is a lamp body formed using a resin member, and this lamp body 1 includes a spherical concave eyeball receiving portion 2 having a predetermined maximum diameter as in the conventional example. However, according to the present invention, the maximum diameter of the eyeball receiving portion 2 is approximately the same as that of the lamp body 1.
The opening 2a is provided so as to coincide with the position of the outer wall surface of the opening 2a. One of the eyeball parts 3 is basically formed into a spherical convex surface which is appropriately extended from a hemispherical shape having the maximum diameter like the eyeball receiving part 2, but the hemispherical side has an appropriate shape. A knob portion 3a is provided in a concave portion, and a lens 4 is also attached. FIG. 2 shows an example of the state of the eyeball portion 3 as described above.

The eyeball portion 3 is fitted into the eyeball receiving portion 2 formed as described above from the outer surface side of the lamp body 1, and a spherical concave surface extending the spherical concave surface of the eyeball receiving portion 2 is formed. It is attached with the ring 5 which is formed. At this time, as shown in FIG. 3, the eyeball receiving part 2 is partially cut out to form an arbitrary number of tongue-shaped parts, and then a predetermined spherical surface is formed as shown by the dotted line in FIG. Appropriate pressure is applied to the attached eyeball portion 3 by the elasticity of the resin member on which the eyeball receiving portion 2 is formed, by appropriate means such as making the tip portion have a slightly smaller radius than the radius R, The set position can be maintained, and members for maintaining the position such as springs in conventional models can be omitted.
The ring 5 can be attached closely to the lamp body 1 with a simple structure such as a bayonet structure. Further, what is indicated by the reference numeral 6 in the figure is a light source similar to the conventional example.

By doing this, the eyeball structure of the present invention has exactly the same effect as the conventional example, and furthermore, since the eyeball part 3 is attached from the outer wall side of the lamp body 1, the ring By removing 5, the eyeball part 3 can also be removed.
The light source 6 can be easily exposed by a simple operation without using any tools.

It should be noted that, in order to improve the operational feel, changes such as attaching a cloth material such as felt to the eyeball receiving part are made, but it goes without saying that this does not detract from the gist of the present invention.

〓Effect of the invention〓 As explained above, according to the invention, the eyeball structure can be made such that the position of the maximum diameter of the eyeball receiving portion coincides with the outer wall of the lamp main body, and the eyeball portion is removed from the outer wall side of the lamp main body. By making it removable, when the light source needs to be replaced due to breakage, the light source can be exposed by simply removing the ring, making it easy for users who are not familiar with this type of structure. It is possible to replace the spot lamp, it can be expected to be completely maintained, and it has an excellent effect on improving the practicality of this type of spot lamp, and the eyeball receiving part is partially cut out to form a tongue shape. This eliminates the need for members for position holding such as springs, which were required in the past, reducing the number of parts and the number of assembly steps, which is also effective in reducing costs.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view showing an embodiment of the eyeball structure of a spot lamp according to the present invention, Fig. 2 is a perspective view showing the eyeball part of the same embodiment, and Fig. 3 also shows the eyeball receiving part. Partial perspective view, 4th
The figure is a partial cross-sectional view of the same eyeball receiving part, No. 5
The figure is a sectional view showing a conventional example. 1... Lamp body, 2... Eyeball receiver, 2a
...Aperture, 3...Eyeball part, 3a...Knob part, 4...Lens, 5...Ring, 6...Light source.

Claims (1)

[Scope of utility model registration request] An eyeball receiving part provided on the lamp body side and formed of a spherical concave surface, and a spherical convex surface and a lens that are separate from the lamp main body and slidably attached to the eyeball receiving part. An eyeball structure for a spot lamp, comprising: an eyeball part; and a ring, which is formed with a spherical concave surface extending a spherical concave surface of the eyeball receiving part, and holds the eyeball receiving part and the eyeball part in a mounting position. In the eyeball receiving part, the maximum diameter of the spherical concave surface substantially matches the outer wall surface of the lamp body, the outer wall surface side is an opening, and a portion is cut out to form a tongue shape so that the eyeball can be held by elasticity. formed to hold
The eyeball structure of a spot lamp, wherein the eyeball portion has a spherical convex surface including a maximum diameter, and is slidably attached to the opening from the outer wall side.