JPH04357603A - Display lamp - Google Patents

Abstract

PURPOSE:To easily carry out attachment and detachment of a light guide plate and a display panel. CONSTITUTION:A U-shaped panel holding frame 9 is provided, which has grooves 9a on both sides, and which is almost internally connected to three surfaces of the surfaces covering an opening part 1a of an apparatus main bode 1, and a light guide plate 5 and a display panel 6 are stored in the grooves 9a of the panel holding frame 9, while the panel holding frame 9 is mounted on the apparatus main body 1 so that it is rotated freely. When the panel holding frame 9 is rotated, the U-shaped opening side of the panel holding frame 9 is exposed to the outside of the apparatus main body 1, and since the display panel 6 and so on can be slid for attachment/detachment from the opening side, exchange work of the display panel 6 is carried out easily and safely.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of an indicator light.

0002

2. Description of the Related Art FIG. 4 shows a conventional indicator light. This indicator light includes a fluorescent lamp 2, which is a lamp, arranged on the inner surface of a substantially box-shaped device main body 1 having openings 1a on two opposing sides, and a lighting device 3 on one surface of the inner surface of the device main body 1. Fixing fittings 4 having an L-shaped cross section are attached to the inner surfaces of both side surfaces 1b of the instrument main body 1 with screws or the like,
The light guide plate 5 and display panel 6 are brought into contact with the fixture 4 from the opening 1a side of the instrument body 1, and a lid 7 having an opening 7a facing the display panel 6 is attached with screws 8. The structure was such that the light guide plate 5 and the display panel 6 were sandwiched and fixed between the lid 7 and the lid 7.

Another conventional method for fixing the display panel 6 and the like is to fix the light guide plate 5 and display panel 6 to the device body 1 and lid 7 using double-sided tape (not shown). was.

0004

[Problems to be Solved by the Invention] However, in the conventional indicator light constructed as described above, when the indicator light is installed at a high place such as the ceiling, the panel 6
It is necessary to work at a high place in order to perform the replacement, etc., and there is also the disadvantage that the replacement work is time consuming and the workability during maintenance and inspection work is not good.

The present invention has been made in view of the above background, and its object is to provide an indicator light in which a light guide plate, a display panel, etc. can be easily attached and detached.

[0006]

[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention has a lamp 2 disposed on the inner surface of a substantially box-shaped device main body 1 with at least one side open, and at least one side of the device main body 1 on the opening side. In an indicator light having a light guide plate 5 and a display panel 6 on one side, it has a U-shaped groove 9a at both ends and is substantially inscribed in three of the surfaces surrounding the opening 1a of the device main body 1. A panel holding frame 9 is provided, the light guide plate 5 and the display panel 6 are housed in the groove 9a, and the panel holding frame 9 is rotatably attached to the instrument body 1. be.

[0007] Furthermore, the panel holding frame 9 and the instrument main body 1
A lid 7 that substantially covers the opening 1a except for the display panel 6.
It is characterized by being constructed in one piece.

[0008]

[Function] In the indicator light according to the present invention, a lamp 2 is disposed on the inner surface of a substantially box-shaped device body 1 with at least one side open, and a lamp 2 is disposed on at least one surface of the device body 1 on the open side.
In an indicator light comprising a light guide plate 5 and a display panel 6,
A U-shaped panel holding frame 9 having grooves 9a at both ends and substantially inscribed in three of the surfaces surrounding the opening 1a of the instrument main body 1;
The light guide plate 5 and the display panel 6 are housed in the groove 9a, and the panel holding frame 9 is rotatably attached to the device main body 1, so that the indicator light can be attached to a high place such as the ceiling. If the display panel 6 is to be replaced after the display panel 6 is replaced, the U-shaped opening side of the panel holding frame 9 will be exposed outside the instrument body 1 by rotating the panel holding frame 9, and the display panel 6 can be replaced from that opening side. etc. can be removed by sliding them, making replacement work easy and safe.

Furthermore, since the end portions of the display panel 6 and the like are inserted into the grooves 9a, the ends are securely held by the grooves 9a, making it difficult for gaps to form between the display panel 6 and the panel holding frame 9. Looks good.

[0010] Furthermore, the panel holding frame 9 and the instrument main body 1
Since the lid 7 substantially covers the opening 1a except for the display panel 6, there is no need to hold the lid 7 with one hand when replacing the lamp 2 or the display panel 6, which reduces maintenance and maintenance costs. Inspection work is easy and safe.

[0011]

Embodiment FIGS. 1 to 3 show a first embodiment of the present invention. The indicator light in the figure includes a fluorescent lamp 2, which is a lamp, arranged on the inner surface of a substantially box-shaped device main body 1 having openings 1a on two opposing sides, and a lighting device mounted on one surface of the inner surface of the device main body 1. 3 is attached. Further, a U-shaped panel holding frame 9 having grooves 9a at both ends and substantially inscribed in three of the surfaces surrounding the opening 1a of the instrument main body 1 is disposed in one opening 1a. 7, and the light guide plate 5 and display panel 6 are formed in the groove 9a.
is inserted and held.

The panel holding frame 9 is placed on the inner surface of the instrument main body 1 with the lid 7 in contact with the end of the opening 1a of the instrument main body 1, and the side wall 1b of the instrument main body 1 has approximately A slit 1c forming a part of a circular arc is provided, and a screw 1d or pin is inserted from the slit 1c into the side wall of the panel holding frame 9, so that the panel holding frame 9 is aligned with the ridgeline on the one opening 1a side (the center of the U-shape). It is configured to rotate around the ridgeline on the side where the lid 7 is provided.

With this structure, when the display panel 6 is to be replaced after the indicator lamp has been installed in a high place such as the ceiling, the panel holding frame 9 can be rotated.
The U-shaped opening side of the panel holding frame 9 is exposed outside the instrument body 1, and the display panel 6 etc. can be slid and removed from the opening side, so replacement work can be easily and safely performed.

Furthermore, since the end portions of the display panel 6 and the like are inserted into the grooves 9a, the ends are securely held by the grooves 9a, making it difficult for gaps to form between the display panel 6 and the panel holding frame 9. Looks good.

[0015] Furthermore, the panel holding frame 9 and the instrument main body 1
Since the lid 7 substantially covers the opening 1a except for the display panel 6, there is no need to hold the lid 7 with one hand when replacing the lamp 2 or the display panel 6, which reduces maintenance and maintenance costs. Inspection work is easy and safe.

In each of the embodiments described above, the instrument main body 1 has openings 1a on two opposing sides, and the openings 1a
Although the double-sided display type indicator light having one display panel 6 has been described as an example, the present invention is not limited to this, and the present invention is not limited to this. It may be a single-sided display type indicator light. Further, in each of the above embodiments, an example in which a fluorescent lamp was used as the lamp 2 was explained, but the present invention is not limited to this, and it goes without saying that any lamp such as an incandescent lamp may be used. be.

[0017]

As described above, in the indicator light according to the present invention, the lamp is disposed on the inner surface of a substantially box-shaped device main body with at least one side open, and a light guide plate is provided on at least one surface of the device main body on the open side. In an indicator light having a display panel, a U-shaped panel holding frame having grooves at both ends and substantially inscribed in three of the surfaces surrounding the opening of the device main body is provided, and a U-shaped panel holding frame is provided in the groove. In addition to storing the light guide plate and the display panel, the panel holding frame is rotatably attached to the fixture body, so when the display panel is replaced after the indicator light is installed in a high place such as the ceiling, etc. Since the display panel and the like can be slid and removed by rotating the panel holding frame, replacement work can be performed easily and safely.

Furthermore, since the end portions of the display panel and the like are inserted into the grooves, the end portions are securely held by the grooves, and a gap is less likely to occur between the display panel and the panel holding frame, resulting in a good appearance.

Furthermore, since the panel holding frame and the lid that substantially covers the opening of the device body except for the display panel are integrated, the lamp or display panel can be replaced while holding the lid with one hand. Since this is not necessary, maintenance and inspection work can be performed easily and safely.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing a first embodiment of the present invention with a display panel removed.

FIG. 2 is a perspective view of the same as above.

FIG. 3 is a side view showing the same as the above with the display panel removed.

FIG. 4 shows the main part of the second embodiment of the present invention (a)
is a perspective view, and (b) is a cross-sectional view of the reflector.

FIG. 5 is an exploded perspective view showing a conventional indicator light.

[Explanation of symbols]

1　Appliance body 1a Opening 2 Lamp 5 Light guide plate 6 Display panel 9 Panel holding frame 9a Groove

Claims (2)

[Claims] 1. An indicator light comprising: a lamp disposed on the inner surface of a substantially box-shaped appliance body with at least one side open; and a light guide plate and a display panel on at least one side of the opening side of the appliance body. A U-shaped panel holding frame having grooves at both ends and substantially inscribed in three of the surfaces surrounding the opening of the device main body is provided, and the light guide plate and the display panel are housed in the groove, and the An indicator light characterized by a panel holding frame rotatably attached to the device body. 2. The indicator light according to claim 1, wherein the panel holding frame and a lid that substantially covers the opening of the device body except for the display panel are integrally formed.