JPH0733413Y2 - Spotlight socket - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a spotlight socket.

[Conventional technology]

FIG. 4 shows a cross-sectional view of an example of a conventional spotlight. This conventional spotlight is a condensing type and is equipped with a reflecting mirror 1 which is a so-called dichroic mirror. It is fixed at a predetermined position of the main body 7, a through hole 2 is bored in the central portion of the reflecting mirror 1 corresponding to the central axis of the reflecting mirror 1, and a socket 3 provided outside the reflecting mirror 1 from inside the reflecting mirror 1 The base of the lamp 4 such as a mini halogen lamp is screwed into the socket 3 so that the lamp 4 is arranged coaxially with the central axis in the reflecting mirror 1. Reference numeral 8 is a ceiling mounting member.

[Problems to be solved by the device]

By the way, in the case of a spotlight such as a mini halo gain lamp that uses a lamp 4 having a small size and a small filament, the positional accuracy of the reflecting mirror 1 and the lamp 4 is very important, and the position (height direction and eccentric direction) ), There is a problem that the light distribution changes significantly. Also the reflector 1
Also, there is a problem that various members for fixing the reflecting mirror 1 are required and the manufacturing cost becomes high.

Then, as shown in Japanese Utility Model Laid-Open No. 62-5408, an integrated reflector and lamp socket has been provided. However, this conventional example has the following problems.

In other words, since the upper end surface of the lamp socket is directly attached to the attachment member, the attachment strength cannot be increased. Therefore, when a large external force is applied to the reflector, a large moment acts on the attachment site, which may cause damage. .

The present invention has been made in view of this point, and the purpose thereof is to reduce the risk of damage to the mounting portion even if an external force is applied to the reflecting mirror, and it is not necessary to separately provide the mounting member. To provide sockets for spotlights.

[Means for solving the problem]

According to the present invention, a reflecting mirror, a bottomed cylindrical portion that is provided coaxially with the central axis of the reflecting mirror and opens at the center of the reflecting mirror, and a rear end surface that is flush with the rear end surface of the bottomed cylindrical portion. The mounting portion projecting from the outer peripheral surface of the bottomed cylindrical portion is integrally formed by ceramic molding, and the receiving metal fitting for screwing the lamp base into the bottomed cylindrical portion and the contact provided at the rear end of the lamp The lamp socket is constructed by internally incorporating a contact metal fitting to be connected to.

[Action]

Thus, according to the present invention, a reflecting mirror, and a bottomed cylindrical portion that is provided coaxially with the central axis of the reflecting mirror and opens at the central portion of the reflecting mirror,
The mounting portion projecting from the outer peripheral surface of the bottomed tubular portion is integrally formed by ceramic molding so as to have a rear end surface that is flush with the rear end surface of the bottomed tubular portion. Since the lamp socket part is configured by internally incorporating the receiving metal fitting to which the base is screwed and the contact metal fitting connected to the contact provided at the rear end of the lamp, the lamp socket part can be securely attached by the mounting part. Even if a large moment acts on the mounting part when an external force is applied to the reflecting mirror integrated in the socket part, there is little risk of damage,
Therefore, the mounting portion can be integrally formed with the reflector and the bottomed cylindrical portion of the lamp socket portion by ceramic molding, and since the mounting member is not a separate member, it is not necessary to provide a means for fixing the mounting member.

〔Example〕

 Hereinafter, the present invention will be described with reference to examples.

FIG. 1 is a perspective view of an embodiment. The socket of the present invention is a lamp socket 9 in which a reflecting mirror 1'is integrally formed, and is manufactured by ceramic molding. The lamp socket 9 is shown in FIG. As shown in the drawing, a receiving metal fitting 9b for screwing the base 4a of the lamp 4 into a bottomed cylindrical portion 9a provided coaxially with the central axis of the reflecting mirror 1'and opening at the central portion of the reflecting mirror 1'and a contact 4b are connected. The contact metal fitting 9c is installed inside, and the filament of the lamp 4 can be placed at the focal position of the reflecting mirror 1'when the lamp 4 is screwed and mounted.

As shown in FIG. 3, the reflecting mirror 1 ′ is coated with a heat ray absorbing film 10 on the inner surface thereof, and is further coated with a visible light reflecting heat ray transmitting film 11 on the surface of the film 10 to form a so-called dichroic mirror.

Thus, a power source is connected to the electric wires 13 and 13 led out from the lamp socket portion 9, and the rear surface from the outer peripheral surface of the rear portion of the bottomed tubular portion 9a of the lamp socket portion 9 is the bottomed tubular portion of the lamp socket portion 9.
If the mounting portion 14 is integrally projected so as to be flush with the rear surface of 9a, the mounting of the socket and the mounting of the reflecting mirror will be completed at the same time.

[Effect of device]

According to the present invention, a reflecting mirror, a bottomed cylindrical portion that is provided coaxially with the central axis of the reflecting mirror and opens at the center of the reflecting mirror, and a rear end surface that is flush with the rear end surface of the bottomed cylindrical portion. The mounting portion projecting from the outer peripheral surface of the bottomed cylindrical portion is integrally formed by ceramic molding, and the receiving metal fitting for screwing the lamp base into the bottomed cylindrical portion and the contact provided at the rear end of the lamp Since the lamp socket part is configured by internally incorporating the contact metal fitting to be connected to the lamp, the relative positional relationship between the reflecting mirror and the lamp socket part is always constant and its accuracy can be manufactured with accuracy, so that the lamp is mounted on the lamp socket part. In this case, the filament of the lamp can be accurately set to the focal point of the reflector when it is mounted in the lamp socket with high precision, and it is not necessary to attach the reflector separately. Since the mounting cost of the spotlight is low and the assembly is easy, the lamp socket can be securely mounted by the mounting part, and the external force is applied to the reflector that is integrated with the lamp socket. Even if a large moment acts on the mounting part when applied, there is little risk of damage, so the mounting part can be formed integrally with the reflector and the bottomed tube part of the lamp socket part by ceramic molding, and the mounting member is Since it is not a separate member, there is an effect that it is not necessary to provide means for fixing the mounting member to the lamp socket portion.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention with a lamp removed, FIG. 2 is a sectional view of the same as above, FIG. 3 is an enlarged sectional view of a reflecting mirror of the same, and FIG. 4 is a sectional view of a conventional example. Is. 1'is a reflecting mirror, 4 is a lamp, 4a is a base, 4b is a contact point, 9 is a lamp socket part, 9a is a bottomed cylindrical part, 9b is a receiving fitting, and 9c is a contact fitting.

Claims (1)

[Scope of utility model registration request] 1. A reflecting mirror, a bottomed cylindrical portion which is provided coaxially with a central axis of the reflecting mirror and opens at the center of the reflecting mirror, and a rear end surface which is flush with the rear end surface of the bottomed cylindrical portion. The mounting part projecting from the outer peripheral surface of the bottomed tubular part is integrally formed by ceramic molding, and the receiving metal fitting for screwing the base of the lamp into the bottomed tubular part and the rear end of the lamp are provided. A socket for a spotlight, which internally comprises a contact metal fitting for connecting to a contact and constitutes a lamp socket.