JPS6047406B2 - Recessed indicator light - Google Patents

Description

[Detailed description of the invention] The present invention relates to a recessed marker light.

Conventional recessed marker lights of this type have a structure in which a light control body such as a prism or lens is fitted and glued to the leading exit formed on the top cover. It was difficult to maintain the positional accuracy of the optical system, including manufacturing, and there were problems in maintaining quality.

Furthermore, conventionally, a structure has been adopted in which an annular light control body is sandwiched between the base and the top cover, and an optical system including a lamp is disposed in the space formed by the inner circumference of the light control body. However, this structure has the disadvantage that the internal volume inside the light control body is small, the internal temperature rises significantly, and the lamp life tends to be shortened.

For this reason, a method has been proposed in which a fitting hole is formed in the center of the base and the optical system is attached to the bottom cover side that is attached from the bottom, but even with this structure, each J part of the optical system is Since the optical system is attached, it is difficult to maintain the accuracy of the optical system, and it is difficult to maintain the accuracy of the optical system after disassembly and reassembly for inspection, repair, cleaning, etc. as well as manufacturing.

The present invention has been made in view of the above drawbacks, and is assembled by attaching an optical system to the bottom surface of an annular base and clamping a light control body with a top cover having a leading outlet formed on the top surface of the base. The present invention provides a recessed marker lamp which improves the positional accuracy of the optical system, eliminates the risk of an abnormal rise in internal temperature, improves lamp life, and enhances versatility.

Next, the structure of one embodiment of the present invention will be explained with reference to FIGS. 1 to 3 of the drawings.

Reference numeral 1 designates an annular base, and a mounting body such as an optical system mounting plate 4 is attached to the lower surface of the base 1 with a screw 3 via a collar 2.

An optical system 7 including a lamp 6 and a reflector 8 operatively opposed to the lamp 6 is mounted on the mounting plate 4 . A light control body 9 formed of a prism, a lens, etc. formed of a ring-shaped glass is disposed on the upper surface of the base 1 with an annular gasket 41 interposed therebetween. This cover 10 is placed on the base 1 with a gasket interposed therebetween, and is fixed with screws 11 from the bottom side of the base 1. The upper cover 10 has a fitting recess 9a for the light control body 9 formed in the center portion of the lower surface thereof, and a light guide port 12 facing the optical system 7 is formed in the upper cover 10. Further, the mounting structure of the lamp 6 of the optical system 7 is as shown in FIG.
A locking hole 15 consisting of a plurality of large diameter parts and a plurality of small diameter parts is formed in.

Further, a lamp insertion hole is formed in the mounting plate 4, a lamp holding portion, for example, a lamp holding ring body 5 is provided on the front surface of the mounting plate 4, and a pin insertion hole 1 formed in the lamp holding ring body 5 is provided.
An annular connecting plate 19 is locked at the tip of a locking pin 18 which is inserted into the locking pin 7 and the mounting plate 4 so as to be able to move forward and backward.

Further, a locking protrusion 20 whose diameter is tapered toward the rear end is formed at the rear end of this locking pin 18 . A coil spring 21 is interposed between the locking pin 1 and the locking pin 1 in the large diameter portion of the locking hole 15 of the collar 14 of the base portion 13 of the lamp 6.
8, rotate the lamp 6 in the circumferential direction, lock the locking protrusion 20 of the locking pin 18 in the small diameter part of the locking hole 15 of the collar 14, and attach the lamp 6 to the lamp holding ring. It is attached to the body 5.

Also, by rotating the lamp 6 in the opposite direction, the lamp 6
The locking hole 15 of the collar 14 and the locking pin 18 are disengaged and can be removed from the lamp holding ring 5. Further, a lamp socket 22 is detachably attached to the base portion 13 of the lamp 6.

Next, reference numeral 23 designates an upper surface cover, which is formed in the shape of a cylindrical box, and is brought into contact with the lower surface of the base 1 via a gasket 26 on an annular edge 24 formed at the upper opening of this lower surface cover 23. A fitting edge 27 formed on the outer periphery is fitted onto the outer periphery of the base 1 and fixed to the lower surface of the base 1 with screws.

A lamp socket 22 is provided at the bottom of the bottom cover 23.
A bush 29 is attached, through which a conductor 28 connected to the bush 29 is inserted. Next, reference numeral 30 denotes an adjustment ring, and the upper surface of this ring 30 has a recess 31 into which the base 1 and the top cover 10 are fitted.
is formed, and the base 1 and top cover 10, which are fitted into this recess 31 via the gasket 26a, are fixed to the ring body 30 with screws 32. A light guide portion 33 facing the light guide port 12 of the top cover 10 is cut out in the upper surface of the ring body 30 . Further, an arcuate mounting hole 34 is formed at the periphery of the annular body 30, and the annular body 30 has an annular mounting hole 37 fixed to the vicinity of the opening of the box 36 embedded and fixed in the ground. It is fixed with a screw inserted in 34 so that the direction can be adjusted.

Further, the conducting wire 28 is connected to a transformer provided at the inner bottom of the box 36.

Next, the assembly method and its operation will be explained.

The base 1 and the top cover 10 are fixed by sandwiching the light control body 9, and the optical system 7 is attached to the bottom surface of the base 1 via the mounting plate 4.
Cover the bottom surface of the base 1 with the bottom cover 23, fit the bottom cover 23 into the center hole 40 of the adjustment ring 30 in this state, place it on the ring 30, and tighten the bottom cover 23 with the screws 32. The base 1 and the top cover 10 are fixed to the ring body 30.

This ring body 30 is attached to the mounting base portion 37 of the buried box 36 by adjusting the direction with screws inserted through the mounting holes 34.
The light emitted from the lamp 6 when the lamp 6 is turned on is controlled by the light control body 9 and irradiated from the light guide port 33 of the adjustment ring 47 through the light guide port 12 of the top cover 10 . When replacing the lamp 6, the upper cover 10 and the base 1 are removed from the adjustment ring 30 by clamping the light control body 9 and the lower cover 23 is attached, and then the lower cover 23 is removed.

Next, the mounting plate 4 is attached to the base 1 by removing the socket 22 from the lamp 6, grasping the base 13 of the lamp 6, and rotating it in the circumferential direction. The locking protrusion 20 of the locking pin 18 is located, and the lamp 6 is attached to the mounting plate 4.
It can be pulled out from. Also, the lamp 6 is installed by performing the operation in reverse. In this way, the lamp 6 can be attached and detached from the base 1,
This can be done without disassembling the light control body 9 and the top cover 10. The base 1, the light control body 9, the upper cover 10, and the lower cover 23 are kept waterproof inside by gaskets 41 and 42. Further, for lamps 6 having different outputs or characteristics such as wattage, the mounting position of the flange 14 is adjusted so that the lamp light center distance from the tip of the lamp filament of the lamp 6 to the flange 14 matches a reference value. .

In addition, as shown in FIG. 4, if the output or characteristics such as wattage of the lamp 6 are different, the output and characteristics of the lamp 6 may be fixed by abutting the mounting plate A on the bottom surface of the base 1 without intervening the collar 2. It is also possible to adapt it to suit.

Further, the shape of the mounting plate 4 or the mounting position of the mounting plate 4 may be changed to suit the output and characteristics of the lamp 6.

Further, as shown in FIG. 5, a plurality of optical systems 7 can be attached.

In this structure, a plurality of mounting plates 4 attached to the bottom surface of the base 1,
4, an optical system 7 including a lamp 6 and a reflector 8, respectively;
Install 7. Although FIG. 5 shows only one of the light guide ports 12 and the light guide section 33, as shown in FIG. 33 is selectively used,
A marker light with light distribution in two or more directions can be obtained. In addition, if the output and characteristics of the lamp 6 are different, for example, the mounting plate 4
, 4 are attached to the base 1 inwardly from the attachment position shown in FIG. 5 as shown in FIG. 7, and are selectively attached to suit the output and characteristics of the lamp 6.

In the above embodiment, the optical system 7 attached to the lower surface of the base 1 was mounted facing the light control body 9 and deviated outward from the center, but as shown in FIG. 7 can also be arranged at the center of the base 1.

Then, an optical system 7 such as a lamp 6 is attached to the mounting plate 4 attached to the bottom surface of the base 1, and this lamp 6 is attached vertically.
To obtain light distribution in a plurality of directions with one optical system 7. For example, as shown in FIG. 9, the top cover 1
A plurality of light guide ports 12 are formed in the base 1, and a light guide part 33 is formed in the base 1. Also, in this structure, the top cover 1
By selecting the base 0 and the base 1, it is also possible to distribute light over the entire circumference. Further, in this structure, the base 1 is directly attached to the mounting portion 37 of the box 36 without using the adjustment ring 30. Note that 44 in the figure is a filter. Furthermore, in the embodiment, the light control body 9
Although the light control body 9 is formed in an annular shape, the light control body 9 can also be held by being sandwiched between the holding recesses of the base 1 and the top cover 10, which are formed in the light distribution direction.

According to the present invention, a light control body is sandwiched and held between an annular base and a top cover, and an optical system including a mounting body and a lamp attached to the mounting body is mounted on the bottom side of the base. Since the light control body is removably attached to the lower surface of the base, there will be no deviation in positional accuracy due to gluing, etc., and manufacturing quality can be easily maintained.Moreover, the base is formed in an annular shape, and the optical system The internal volume of the internal space in which the lamp is installed is expanded, there is no risk of temperature rise, and there is no risk of shortening the lamp life. Moreover, the optical system can be inspected, repaired, lamp replaced, or cleaned without disassembling the top cover, positional accuracy is maintained during reassembly, and optical performance is not impaired.

In addition, even in optical systems with different lamp outputs such as wattage and lamp characteristics, it is possible to standardize parts by making it possible to select the mounting position and height of the optical system parts relative to the base. .

Furthermore, by forming the light control body in an annular shape, it is possible to easily clamp and hold the light control body, and by selectively attaching the top cover with different shapes of the light guide ports, the shape of the light control body can be adjusted in the saw direction.
Bidirectional and circumferential light distribution can be obtained using a common base and light control body.

Further, by attaching a plurality of optical systems to the base according to the light distribution, arbitrary light distribution can be easily obtained.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a cross-sectional view of a built-in marker lamp showing an embodiment of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is an exploded perspective view of the same optical system, and FIG. 4 , FIG. 5 is a sectional view of a recessed marker light showing different embodiments, FIG. 6 is a plan view of the recessed marker light shown in FIG. 5, and FIGS. 7 and 8 are respectively different embodiments. FIG. 9 is a sectional view of an example of a recessed marker light, and FIG. 9 is a plan view of the recessed marker light shown in FIG. 8.

1...Base, 4...Optical system mounting plate of the mounting body, 5...Lamp holding ring serving as a lamp holding part,
6...Lamp, 7...Optical system, 9...
Light control body, 10, top cover, 12... light guide port,
22...Lamp socket.

Claims (1)

[Scope of Claims] 1. An annular base, an optical system including a mounting body and a lamp mounted on the mounting body, which is removably attached to the base, and a top surface of the base. A light control body arranged,
An embedded sign comprising: a top cover which is fixed to the base with the light control body sandwiched therebetween and has a light guide port facing the optical system at at least one location; light. 2. Claim 1, characterized in that the lamp of the optical system is detachable from the mounting body from the lower surface side of the base.
Recessed indicator light as described in Section 1. 3. The embedded marker lamp according to claim 1 or 2, wherein the light control body is formed in an annular shape. 4. The embedding according to any one of claims 1 to 3, wherein the optical system is capable of selectively attaching a plurality of types of optical systems having different characteristics to the base. Shape indicator light. 5. The recessed marker lamp according to claim 4, wherein the upper surface cover is capable of selectively attaching a cover having light guide ports formed at one location, a plurality of locations, or the entire circumference. 6. The lamp of the optical system according to claim 4, wherein a lamp socket is removably attached to the lamp, and the lamp is removably attachable to the lamp holding portion of the mounting body. Recessed indicator light.