JPH0124817Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to a lighting fixture equipped with a plurality of lamps.

[Background technology]

For example, RGB that produces colors such as red, blue, green, etc.
Some lamps are made by attaching a plurality of these lamps to a lighting fixture so that a mixed color is emitted through a globe. Conventionally, lighting equipment equipped with multiple lamps like this
It was formed as shown in the figure. That is,
A cap 3 with a ramping 2 protruding from the end of the arc tube 1
A plurality of lamps 4 are attached to a plurality of sockets 35 provided in a lighting fixture body 34, and a globe 36 is further attached to the lighting fixture body 34 with a thumbscrew 37 to form a lighting fixture. It is.

However, in this case, there is a problem that the lamp 4 needs to be attached to the lighting fixture body 34 one by one, so it takes time and effort to attach and detach the lamp 4, and the lamp pin 2 of the lamp 4 is attached to the socket 35. Therefore, when the lamps 4 are placed close to each other in order to downsize the lighting equipment, the lamps 4 may be damaged by vibration or the like. This has caused a problem in that the lamps 4 may wobble and come into contact with each other, causing damage to the lamps 4. Furthermore, as shown above, lamp 4 is RGB
In the case of lamps, if only one of the plurality of lamps 4 is replaced, the new lamp 4 and the old lamp 4 at the end of their lifespan will coexist in the lighting equipment, and color mixture due to each lamp 4 will occur. It also has the problem that it cannot be performed normally.

[Purpose of invention]

The present invention has been developed in view of the above points, and allows the operation of attaching and detaching multiple lamps to be performed easily, and eliminates the risk of replacing only one of the multiple lamps. Moreover, it is an object of the present invention to provide a lighting fixture that can prevent lamps from coming into contact with each other and being damaged due to vibrations or the like.

[Disclosure of invention]

Thus, the lighting device according to the present invention includes a base 3 with a lamp pin 2 protruding from the end of the arc tube 1 to form a lamp 4, and a locking protrusion 7 protruding from the side surface of the base 3. The base 5 is provided with a plurality of penetrating mounting holes 6, and the inner surface of the opening of each mounting hole 6 on the upper surface of the base 5 has a lock that opens to the outside of the base 5 and to the inside of the mounting hole 6. A recess 9 is provided, the cap 3 is inserted into the mounting hole 6, the locking protrusion 7 of the cap 3 is locked in the locking recess 9, and the cap 3 is pressed onto the top surface of the base 5 between each mounting hole 6. The plate 10 is attached, and the edge of the holding plate 10 is pressed against the upper surface of the locking protrusion 7 of each base 3.The lamps 4 can be mounted on a base with the above structure. The above purpose is achieved by attaching and holding it to the
The present invention will be explained in detail below with reference to Examples.

The lamp 4 is, for example, an arc tube 1 bent into a substantially U-shape.
For example, an RGB lamp is formed by attaching a base 3 made of synthetic resin or the like to both ends of the lamp and having four lamp pins 2 protrude from the base 3. A locking protrusion 7 is integrally provided on both sides of the upper part of the cap 3.
As shown in the figure, the upper surface of the locking projection 7 is formed as a downwardly inclined slope 8, and the lower surface of the locking projection 7 is formed as an upwardly sloped locking slope 25. It is triangular in shape and protrudes.

The base 5 is made of a synthetic resin material or the like and is formed, for example, in a cylindrical shape, and has a plurality of, for example, three, mounting holes 6 penetrating the base 5 so as to open on the upper and lower surfaces thereof. It is provided. The mounting hole 6 has an inner circumferential shape equal to the outer circumferential shape of the cap 3 of the lamp 4 and an inner diameter substantially equal to the outer shape of the cap 3, and is arranged in such a manner that each mounting hole 6 forms a regular polygon. There is. Each mounting hole 6 has a flange 26 projecting from the inner circumferential surface thereof at the opening on the lower surface side of the base 5. The flange 26 extends over the entire circumference. As shown in FIG. 1, locking recesses 9 are provided on both sides of the opening of each mounting hole 6 on the upper surface side of the base 5, and the locking recesses 9 open upwardly and inwardly into the mounting holes 6. The bottom surface of 9 is formed as a receiving slope 29 that slopes downward at the same angle as the slope of the locking slope 25 of the locking protrusion 7 of the base 3. A mounting recess 27 that opens upward is provided in the center of the upper surface of the base 5 between each mounting hole 6 , and the inner locking recess 9 of the pair of each mounting hole 6 is located inside the mounting recess 27 . It is designed to open upward at the bottom. Also, on the outer periphery of the upper edge of the base 5, a first
As shown in the figure, a plurality of locking protrusions 20 are protruded at equal intervals.

The holding plate 10 is formed of a synthetic resin material or the like in the same planar shape as the retaining recesses 27 provided in the base 5, and has a triangular shape when three mounting holes 6 are provided, for example. A holding recess 28 is provided on the edge of the plate 10 at a location corresponding to the locking recess 9 inside each mounting hole 6.
The surface is formed as a presser slope surface 11 that slopes upwardly toward the outside at the same slope angle as the slope surface 8 of the base 3.

Therefore, a plurality of lamps 4 are mounted on the base 5, but when mounting the lamps 4 on the base 5, the luminous tube 1 is passed through the mounting hole 6 from above the base 5. At the same time, the cap 3 is inserted into the mounting hole 6, and the locking slope 25 of the locking protrusion 7 of the cap 3 is locked to the receiving slope 29 of the locking recess 9 of the mounting hole 6. At this time, the inclined surface 8 of the locking protrusion 7 of the cap 3 is exposed within the mounting recess 27 in the locking recess 9 inside the mounting hole 6. After inserting and locking the base 3 of each lamp 4 into the mounting hole 6 of the base 5 in this way, the presser plate 10 is inserted into the mounting recess 2 of the base 5.
7 and screw the screw 32 into the screw hole 31 at the center of the base 5 from the through hole 30 of the retainer plate 10, thereby fixing the retainer plate 10 to the base 5 as shown in FIG. At this time, the presser slope 11 provided on the presser plate 10 is pressed against the slope 8 of the locking protrusion 7 of the cap 3 locked in the locking recess 9 inside each mounting hole 6, and the cap 3 It is fixed in the mounting hole 6 of the base 5. Here, in pressing the locking protrusion 7 of the cap 3 with the presser plate 10, the inclined surfaces 8 and 11 are pressed against each other, so the dimensions of the cap 3 are Even if there is some error in the dimensions of the retainer plate 10, this dimensional error is absorbed by the deviation of the abutment point between the inclined surface 8 and the retainer inclined surface 11 along the slope, and the cap 3 is securely locked. The lamp 4 can be attached to the base 5 without wobbling by pressing the projection 7 with the pressing plate 10.

By attaching a plurality of lamps 4 integrally to the base 5 in the socket 14 as described above, the lamps 4 are energized. As shown in FIG. 3, the socket 14 is formed by a socket body 18 and a coupling ring 19 rotatably attached to the lower outer periphery of the socket body 18. On the lower surface of the socket body 18, there are four rings. A socket unit 16 provided with a pin receiving hole 15 is attached to the mounting hole 6.
They are attached in the same number as in the position corresponding to the attachment hole 6. Further, the coupling ring 19 has the same number of locking grooves 21 as the locking protrusions 20 of the base 5 formed at equal intervals on its inner peripheral surface. The locking groove 21 is connected to the coupling ring 1
9, a horizontal groove 23 that continues horizontally from the upper end of the vertical groove 22, and a locking vertical groove 2 that continues downward from the tip of the horizontal groove 23.
4. Then, by attaching the base 5 to which a plurality of lamps 4 are attached as described above to the socket 14,
The lamp 4 is attached to the socket 1.
To attach the base 5 to the base 5, use the locking protrusion 2 of the base 5.
0 is first introduced into the introduction longitudinal groove 22 from below, and the base 5 is inserted into the coupling ring 19. By inserting the base 5 into the coupling ring 19 in this way, the lamp pins 2 of each lamp 4 are inserted into the pin receiving holes 15 of the corresponding socket units 16, and each lamp 4 is electrically coupled to the socket 14. . Next, turn either the base 5 or the coupling ring 19 to allow the locking protrusion 20 to pass through the horizontal groove 23, and move the base 5 downward to the extent that the lamp pin 2 does not come out of the pin receiving hole 15 and engage. The locking protrusion 20 is locked in the locking longitudinal groove 24. In this way, the locking protrusion 20 locks into the locking groove 21, thereby locking the socket 1.
Connect the base 5 to the lamp 4 and attach the lamp 4 to the socket 14.
It is to be attached to the The socket 14 is attached to, for example, a ceiling or wall while the power is connected, and a glove is attached to the socket 14 or the base 5 to cover the lamp 4.

In this case, since the plurality of lamps 4 are integrally attached to the base 5, the plurality of lamps 4
can be attached to or removed from the socket 14 in a single operation, and there is no need to remove only one of the plurality of lamps 4 from the socket 14 and replace it. The base 3 of each lamp 4 is held in the mounting hole 6 of the base 5, and each lamp 4 is in a positioned state and is prevented from wobbling due to vibration or the like. become.

FIG. 4 shows another embodiment of the present invention, in which an elastic sheet 33 made of rubber or the like is provided between the inclined surface 8 of the locking protrusion 7 of the cap 3 and the holding inclined surface 11 of the holding plate 10. is interposed. By using the elastic sheet 33 in this way, the pressing plate 1
This means that the cap 3 can be reliably held down by the zero. In addition, when connecting the base 5 to the socket 14, this operation is performed by holding the arc tubes 1 of each lamp 4 attached to the base 5, and each arc tube 1 has an inner As a result, the arc tube 1 is likely to be damaged at its base due to the force that causes it to deflect inward. However, by using the elastic sheet 33 in this way, the arc tube 1 is deflected inward. The force is absorbed, and damage to the arc tube 1 can be prevented.
Incidentally, in the above embodiment, the locking protrusion 20 in the locking groove 21
Although the base 5 is coupled to the socket 14 by locking, the coupling means is not limited to this. For example, the base 5 may be coupled by tightening screws from the outside of the socket 14. You may also do so.

[Effect of idea]

As described above, in the present invention, a lamp is formed by providing a base with a lamp pin protruding at the end of an arc tube, and a plurality of through mounting holes are provided in the base, and the base is inserted into the mounting holes. As a result, multiple lamps are integrally attached to the base, and multiple lamps can be attached to or removed from the socket in a single operation, making it easier to attach and detach the lamps. It is effortless and
Furthermore, it is no longer necessary to remove only one of the plurality of lamps from the socket and replace it, and it is possible to prevent a plurality of lamps from being mixed with new ones and old ones. In addition, a locking protrusion is provided on the side surface of the cap, and a locking recess that opens to the outside of the base and the inside of the mounting hole is provided on the inner surface of the opening of the mounting hole provided in the base. into the mounting hole to lock the locking protrusion of the cap into the locking recess, attach a presser plate to the top surface of the base between each mounting hole, and lock the edge of the presser plate to each cap. Since the lamp is pressed against the top surface of the protrusion, the lamp is installed on the base with the base fixed in the mounting hole, and each lamp is positioned. It is possible to prevent damage to the lamps caused by the lamps wobbling due to vibration or the like and coming into contact with each other.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of one embodiment of the present invention;
The figure is a partial cross-sectional view showing how the lamp is attached to the base of the same as above, Figure 3 is a perspective view of the socket used in the above, and Figure 4 is a diagram showing how the lamp is attached to the base in another embodiment. A partial sectional view, FIG. 5, is a reduced exploded front view of a conventional example. 1 is an arc tube, 2 is a lamp pin, 3 is a cap, 4 is a lamp, 5 is a base, 6 is a mounting hole, 7 is a locking protrusion,
9 is a locking recess, and 10 is a holding plate.

Claims (1)

[Scope of utility model registration request] A lamp is formed by providing a cap with a lamp pin protruding at the end of the arc tube, and a locking protrusion is provided protruding from the side of the cap, and a plurality of penetrating mounting holes are provided in the base to form a lamp. A locking recess that opens to the outside of the base and the inside of the mounting hole is provided on the inner surface of the opening of each mounting hole on the surface, and the cap is inserted into the mounting hole and the locking protrusion of the cap is locked. A lighting fixture that is locked in a recess, a holding plate is attached to the top surface of a base between each mounting hole, and the edge of the holding plate is pressed into contact with the top surface of a locking protrusion of each cap.