JPH0410624Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to an electric display device that is installed buried in the side wall of an underground passage or the side wall of a subway station premises, and in particular, it facilitates the replacement of display sheets and light sources, as well as maintenance and inspection. The present invention also relates to an illuminated display device in which a display frame does not protrude from a side wall.

In general, an illuminated display device has a light source box with a built-in light source such as a fluorescent lamp and an opening on one side, and a display frame attached to the opening of the light source box. A transparent positive sheet for use or guidance (hereinafter simply referred to as an exhibition sheet) is attached together with a diffuser, and the exhibition sheet is illuminated from the inside for display.

The display frame and the light source box are connected to each other by screws or hinges so that they can be separated from each other, but when replacing the display sheet or light source,
The former connection method is troublesome as it requires the removal of a large number of screws, while the latter method makes it difficult to attach and detach the display sheet to the display frame because the display frame cannot be completely separated from the light source box.

In addition, an illuminated display device requires a certain amount of thickness to ensure uniform brightness on the display surface, and if it is installed so that it protrudes from the side wall it will obstruct traffic, so it is recommended that it be completely buried in the wall. However, the conventional type had the disadvantage that at least the display frame had to protrude from the wall surface in order to replace the display sheet.

Therefore, an object of the present invention is to provide an illuminated display device whose display frame can be easily removed from the light source box to facilitate replacement of display sheets and light sources, as well as maintenance and inspection, and which can be installed so that the entire unit does not protrude from the wall surface. It is in.

In order to achieve the above object, the present invention includes an outer box with a built-in light source and an opening on one side, an edge frame formed integrally with the opening edge of the outer box and projecting inward of the opening; A partition frame that is arranged parallel to the edge frame inside the outer box inside the edge frame and has an opening that is slightly smaller than the opening formed by the inner edge of the edge frame, and a partition frame that projects horizontally on the inside of the upper side of the edge frame. a light source box having a display frame supporting strip whose cross-sectional shape is a part of a circle; A movable frame that has external dimensions that fit into the space and holds and frames the display sheet, and an arcuate curved portion that is integrally provided on the upper surface of the movable frame and that engages with the display frame supporting strip at its tip. a display frame having a support piece formed with a display frame;
Suspending the display frame between the edge frame and the partition frame,
The display frame is characterized in that the display frame can be removed from the light source box by swinging the lower side of the display frame outward to disengage the display frame carrying strip and the support piece.

An embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, the reference numeral 1 indicates a light source box, and this light source box 1 is composed of an outer box 2 which is a flat rectangular box-like body with an opening on one side (the left side in FIG. 2).
have. As shown in FIG. 2, this outer box 2 includes a top frame 4 with a connecting piece 3 integrally hung on the inside (on the right side in FIG. 2), a bottom frame 5, and a cross-sectional shape similar to the bottom frame 5. Scrape both ends of the side frame diagonally,
As shown in FIG. 1, the slope portions are butted and connected to form a frame having a rectangular overall shape, and the connecting pieces 3, 3 on the back side of this frame (right side in FIG. 2)
The back plate 6 is secured with screws, for example. Inside the outer box 2, a fluorescent lamp (also not shown) is installed, for example, via a holder (not shown) connected to rails 7, 7 integrally formed on the inner surfaces of the top frame 4 and the bottom frame 5. A light source is attached. The method of mounting such a light source is similar to that of a conventional illuminated display device and is well known per se, so further detailed explanation will be omitted.

At the opening edge of the outer box 2, there are shown figures 1 and 2.
As shown in the figure, an edge frame 8 of a constant width is integrally formed so as to protrude inward from the opening of the outer box. Since the outer box 2 is a rectangular combination of the top frame 4, the bottom frame 5, and the side frames, the edge frame 8 in the illustrated embodiment is the outer edge (second
Edge frame pieces 8a, 8 integrally hung on the left edge in the figure)
A rectangular edge frame 8 is formed by abutting the edges a against each other. Edge frame piece 8a on the upper side of the edge frame 8
On the inner surface of the display frame support strip (hereinafter simply referred to as a support strip) is formed such that a round bar is integrally connected to a convex strip with a substantially trapezoidal cross section, and the cross section is partially circular. 9) protrudes horizontally.

Further, inside the outer box 2 inside the edge frame 8, a partition frame 11 parallel to the edge frame 8 is arranged. The partition frame 11 in the illustrated embodiment is a partition frame piece 1 that is integrally formed on the inner surface of a top frame 4, a base frame 5 (FIG. 2), and a side frame (not shown) that constitute the outer box 2.
1a and 11a are butted against each other in the same manner as the edge frame 8 shown in FIG. In the embodiment shown in the second figure, except for the partition frame piece in the top frame 4, the other partition frame pieces 11a have their outer edges connected to the inner edge of the corresponding edge frame piece 8a and the connecting piece 12. connected together. Further, the opening formed by the inner edge of each partition frame piece 11a is slightly smaller than that of the edge frame 8. Furthermore, each partition frame piece 1
A protruding strip 13 parallel to the inner edge is integrally formed on the outer surface of 1a.

On the other hand, a display frame 10 is housed in a flat space between the edge frame 8 and the partition frame 11. This display frame 1
0, as shown in FIG. 2, has a substantially square-shaped cross section, a shallow groove 14a is formed on the inner surface, and a decorative edge piece 14b whose surface is curved in an arc shape is integrally formed on the outer surface. It has a movable frame 14 which is a rectangular frame body in which frame rods 14c are combined as shown in FIG. It is defined so that it can be fitted into the edge frame 8. In addition, the movable frame rod 14
c. It goes without saying that the top frame 4, base frame 5, etc. can be easily manufactured by extrusion processing or the like.

Furthermore, as shown in FIG. 2, a fixed frame 15 having an L-shaped cross section is removably screwed onto the inner surface of the movable frame 14. The exhibition sheet is a decorative border piece 1
4b and the fixed frame 15, and is held by the movable frame 14. In this case, the protective transparent plate, display sheet, and white diffuser plate are attached in this order from the outside to the inside. In the illustrated embodiment, the size of the rectangular opening formed by the inner edge of the decorative edge piece 14b and that of the fixed frame 15 are the same, and these openings serve as the display surface of the exhibition sheet. Needless to say.

Furthermore, a support piece 16 is provided on the upper surface of the movable frame 14.
are integrally formed. This support piece 16 is curved so that its tip can be rotatably engaged with the round bar portion of the support strip 9, and grips the support strip 9 from the inside of the outer box, as shown in FIG. The display frame 10 is connected to the edge frame 8 and the partition frame 1 in such a manner that the display frame 10 is
It is suspended in the space between 1 and 1. In the illustrated embodiment, the display frame 10 has support strips 1 for the carrier strips 9.
6 is adjusted so that its surface is flush with the surface of the edge frame 8, and furthermore, a rubber plate, such as a band-shaped rubber plate, is attached to the inner surface of the shallow groove 14a. The cushioning material 17 is inserted into the partition frame 11.
in contact with the protrusion 13 formed on the outer surface of the
The rotation position is determined.

In addition, in order to prevent the display frame 14 from swinging, one or two set screws 1 are inserted through the lower side of the display frame 14.
8 to the partition frame 11, or alternatively, a magnet (not shown) is attached to the inside of the movable frame rod at the lower side of the display frame 10, and the partition frame 11 facing the magnet is attached with a magnet (not shown). It is preferable to arrange a magnetic body (not shown) on the outer surface of the lower side and fix it by utilizing the magnetic attraction force between the two.

An illuminated display device according to an embodiment of the present invention configured as described above, for example, as shown in FIG.
An L-shaped steel frame 20 is welded to the reinforcing bars 19 facing into the opening of the side wall, and the outer box 2 is bolted to the L-shaped steel frame 20, so that the outer box 2 is buried in the side wall. At this time, if the installation position of the light source box 1 is adjusted so that the surface of the edge frame 8 and that of the side wall are on the same plane, the display frame 4 and the display sheet held therein can be completely fitted into the side wall. Not only can the illuminated display device itself not obstruct traffic, it also looks good.

On the other hand, in the illuminated display device according to the present invention, the display frame 14 can be completely removed from the light source box 1 when replacing the display sheet or light source or performing internal maintenance inspection.

To remove the display frame 10, first, for example, unscrew the set screws 18, 18 on the lower side of the display frame. In the embodiment shown in the second figure, since the center axis of the round bar part of the support strip 9, which is the center of rotation of the display frame 10, is located slightly outward from the center of gravity of the display frame, when the set screw 18 is removed, gravity The lower end of the movable frame 14 is naturally swung out by the external force due to the moment. Therefore, by holding the lower end of the outer surface of the movable frame with both hands and swinging it out further, and then pushing the entire display frame slightly diagonally upward into the light source box 1, the support strip 9 and the support piece 16 can be The engagement can be easily released. If the display frame 10 is pulled out diagonally downward, the display frame 10 can be completely separated from the light source box 1, so you can remove the fixed frame 15 and replace the display sheet, light source, etc., or remove the display frame 10 from the light source box 1. internal maintenance inspection,
Alternatively, cleaning can be easily performed.

If the lower end of the movable frame 14 does not swing out even after removing the set screws 18, 18, or if the movable frame 14 is fixed with a magnet or roller catch, the opening edge at the lower side of the movable frame 14 (not shown) In the example, the display frame can be easily swung out by placing a finger on the decorative edge piece 14b (the upper surface), pushing it downward to generate a frictional force, and then pulling it toward you. Alternatively, a suitable finger rest may be formed on the lower side of the movable frame 14 (not shown).

To attach the display frame 10 to the light source box 1 again, the above-described removal operation may be performed in reverse. Note that since a gap d is formed between the movable frame 14 and the inner edge of the edge frame 8, the two do not interfere with each other when the display frame 10 is removed or reinstalled. Of course.

As is clear from the above description, the present invention provides a flat space between the edge frame formed on the front surface of the light source box and the partition frame arranged inside the light source box in parallel with the edge frame. At the same time, the display frame is suspended in the flat space by horizontally protruding support strips on the inner side of the upper edge of the edge frame, and by hooking support strips on the support strips, the display frame is suspended within the flat space. The display frame can be easily removed from the light source box by swinging the lower end outward and disengaging the support strip from the support piece.
and maintenance inspection becomes easier.

In addition, since the display frame is housed in the flat space formed in the front of the light source box, the display frame does not protrude from the side wall, which not only does not obstruct traffic, but also improves the appearance. It has various effects such as:

In addition, in the illustrated embodiment, the illuminated display device is completely buried in the side wall surface, but the method of installing the illuminated display device according to the present invention is not limited to the method shown in the figures, but can be installed in any location similar to the conventional method. Of course, it can be installed in any number of ways.

[Brief explanation of drawings]

FIG. 1 is a front view of an illuminated display device according to an embodiment of the present invention, and FIG. 2 is an enlarged sectional view thereof with the middle part omitted. 1...Light source box, 2...Outer box, 8...Edge frame, 9...
... Display frame supporting strip, 10 ... Display frame, 11 ... Partition frame, 14 ... Movable frame, 15 ... Fixed frame, 16 ...
Support piece, 18... Set screw, d... Between.

Claims (1)

[Scope of Claim for Utility Model Registration] An outer box that has a built-in light source and is open on one side, an edge frame formed integrally with the edge of the opening of the outer box and projecting inward from the opening, and a frame that extends beyond the edge frame. a partition frame disposed parallel to the edge frame inside the outer box and having an opening slightly smaller than the opening formed by the inner edge of the edge frame; A light source box having a display frame supporting strip whose surface shape is a part of a circle, and a light source box that is fitted into the space between the frame and the partition frame while maintaining a certain distance from the inner edge of the frame. a movable frame that has external dimensions and holds and frames the display sheet; and an arcuate curved portion that is integrally protruded from the upper surface of the movable frame and that engages with the display frame support strip from the inside at the tip. a display frame having a support piece that is attached to the display frame;
The display frame is attached to the light source box by suspending the display frame between the edge frame and the partition frame, and the bottom edge of the display frame is swung outward to disengage the display frame support strip and the support piece. An illuminated display device characterized in that a display frame is removed from a light source box.