JPH08248897A - Attaching device for electric display lamp - Google Patents

Abstract

PURPOSE: To provide an attaching device of an electric display lamp which is allowed to correspond to the various sizes of electric display devices and is easily attached with a simple structure and is inexpensive. CONSTITUTION: An electric lamp cover 1 having a large-diameter part 1a and a small-diameter part 1b is fitted and inserted in the open hole of the attaching plate of the electric display device, and the packing 5 of the large-diameter part 1a abuts on the front surface of the attaching plate. An attaching ring 2 abutting on the attaching plate from a rear surface is fitted through the small-diameter part 1b. Plural locking parts 2c, 2d and 2e capable of engaging with a locking protrusion 1d are provided at the attaching ring 2, and engaging surfaces are respectively formed to have different thickness from abutting surfaces with the attaching plate. Any of the locking parts 2c, 2d and 2e is selected in accordance with the thickness of the attaching plate and is engaged with the locking protrusion 1d, and the attaching plate is held and attached between the attaching ring 2 and the packing 5, so that the electric lamp cover 1 is fixed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for mounting a lamp for an electronic display used for an electronic display device for displaying a score or the like in a baseball field or the like.

[0002]

2. Description of the Related Art In a large screen electro-optical display device used in a baseball field, a soccer field, etc., a screen is constructed by mounting a number of electro-optical display lamps on a mounting plate of the electro-optical display device and arranging them in an orderly manner. are doing. When attaching the above-mentioned electric display lamp, for the purpose of improving the visibility, a light bulb cover serving as a hood has a built-in light bulb, which is arranged on a mounting plate of the electric display device.
However, it takes time and effort to attach a large number of lamps for a lightning display to a large-screen lightning display device, and it is necessary to frequently replace the filaments of an incandescent light bulb used for the lamps for a lightning display. , This work also took time. Therefore, in a conventional device for mounting a lamp for an electric light display, an opening corresponding to the number of the lamps for a lightning display is formed in a mounting plate of the electric light display device, and a light bulb cover having a large diameter portion and a small diameter portion is formed. Is fitted into the above-mentioned opening and attached. That is, a small-diameter portion that penetrates the opening of the mounting plate and projects to the rear side is provided with a locking projection that locks the mounting plate, and between this locking projection and the rear surface of the large-diameter portion that projects to the front side of the mounting plate. It has been proposed that the mounting plate is sandwiched between the two (Shoko 63-23739).

[0003]

However, in the above-mentioned conventional device for mounting the lamp for the electric display, since the distance between the rear surface of the large-diameter portion for sandwiching the mounting plate and the locking projection is fixed, a fixed thickness is maintained. There was a problem that it could only be applied to the mounting plate. That is, there are various sizes of screens of the electro-optical display device, and various thicknesses of the mounting plate are used depending on the size of the screen. Since it is necessary to prepare a plurality of light bulb covers, it is complicated and causes a high cost. Therefore, an object of the present invention is to provide a mounting device for a lamp for an electro-luminescent display, which can be adapted to various sizes of the electro-optical display device, has a simple structure and can be easily mounted, and is low in cost.

[0004]

In order to achieve the above-mentioned object, a mounting device for a lightning display lamp according to the present invention has a built-in lightning display lamp, and an opening provided in a mounting plate for lightning display. The bulb cover has a large-diameter portion that comes into contact with the front surface of the mounting plate and a small-diameter portion that penetrates the opening of the mounting plate and projects to the rear side of the mounting plate. Has been formed. A mounting ring for inserting and fixing the mounting plate between the small diameter portion and the back surface of the large diameter portion is inserted. Also,
The small diameter portion is provided with a plurality of locking projections that engage with the attachment ring and urge the attachment ring toward the attachment plate to fix it. The mounting ring is formed with a notch through which the locking projection can penetrate, and the back side of the mounting ring is provided with a plurality of locking portions that can engage with the locking projections. The engaging surfaces of the engaging portions with the engaging protrusions are formed to have different thicknesses from the surface of the attaching ring that abuts the attaching plate.

[0005]

The bulb cover can be fixed to the mounting plate by appropriately selecting the locking portion of the mounting ring according to the thickness of the mounting plate and engaging the locking projection.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 shows members constituting a mounting device for a lamp for electric light display according to the present invention.
Shows a state in which the mounting device of the lamp for electric light display is mounted on a mounting plate which constitutes a screen of the electric light display device. As shown in FIG. 1 and 4, the light bulb cover 1 has a large-diameter portion 1a that abuts on the front surface of the mounting plate P and projects forward, and a rear surface of the mounting plate P that penetrates the opening P1 of the mounting plate P. It is composed of a small diameter portion 1b protruding to the side. The small diameter portion 1b of the light bulb cover 1 is fitted with a mounting ring 2 for fixing the light bulb cover 1 by sandwiching a mounting plate P between the small diameter portion 1b and the back surface of the large diameter portion 1a. On the peripheral body portion of the small-diameter portion 1b, three locking projections 1d that engage with the mounting ring 2 and urge and fix the mounting ring 2 toward the mounting plate P are provided at three equal intervals. Also, the small diameter portion 1b
On the rear end face, a pair of L-shaped locking pieces 1c for connecting the light bulb socket 3 is provided. A ring-shaped packing 5 is provided in contact with the back surface of the large diameter portion 1a.
The packing 5 is made of an elastic material such as rubber or resin.

1 and 2A, the mounting ring 2 has a tubular shape, and a ring-shaped portion 2a is formed inward from the inner peripheral surface of the front end portion of the tubular shape.
The small-diameter portion 1b of the light bulb cover 1 is fitted into the inner end face of the. The bulb-shaped cover 1 is attached to the ring-shaped portion 2a.
The notch portions 2b having a width and a length through which the locking protrusion 1d can penetrate are formed at three equal intervals. An inclined surface is formed at an end of the ring-shaped portion 2a facing the cutout portion 2b so that the locking protrusion 1d can easily pass (slide). Ring-shaped part 2
a includes locking portions 2c, 2d, which can be engaged with the locking protrusion 1d,
2e are provided in three places each. The locking portions are equidistant from each other. A knurl is formed on the engaging surface F (see FIGS. 3 and 4) of each locking portion 2c, 2d, 2e. Inside the mounting ring 2, reinforcing ribs 2f and grip portions 2g integral with the ribs 2f are provided at three positions at equal intervals.

The above-mentioned locking portions 2c, 2d, 2e will be described. 2 (b) and 3 (a), (b),
As shown in (c), each engaging surface F of each engaging portion 2c, 2d, 2e with the engaging protrusion 1d has a mounting plate P of the mounting ring 2.
The surface 2h abutting on the base plate 2h is formed to have different thicknesses h1, h2 and h3. Regarding this thickness, the engaging portion 2e is thickest, the engaging portion 2c is thinnest, and the engaging portion 2d is formed to have an intermediate thickness, that is, h1>h2> h3. Therefore, as shown in FIG. 4, by selecting one of the locking portions 2c, 2d, and 2e as the locking portion with which the locking projection 1d is engaged, the large diameter portion from the surface 2h of the mounting ring 2 is selected. The distance to the back surface of 1a is different. That is, when the mounting ring 2 is brought into contact with the mounting plate P and the mounting plate P is sandwiched between the mounting plate 2 and the packing 5 on the back side of the large diameter portion 1a,
By selecting the locking portion 2e when the mounting plate P is thin, the locking portion 2d when the mounting plate P is next thick, and the locking portion 2c when the mounting plate P is the thickest, the mounting plates P having various thicknesses can be accommodated.

At the rear end of the light bulb cover 1, a light bulb socket 3 to which a light bulb 4 is attached is detachably provided. A cap (not shown) is provided inside the light bulb socket 3 and is electrically connected to the cables 3a and 3b. The flange portion 3c of the light bulb socket 3 is provided on the light bulb cover 1
Notch 3d having a width that allows the pair of locking pieces 1c to penetrate therethrough
Is formed. The light bulb socket 3 is made of an elastic material such as rubber and resin having moisture resistance, and is elastically fitted to the light bulb cover 1 to seal the opening at the rear end of the light bulb cover 1.

In FIG. 4, a shade 6 is provided at the front end of the light bulb cover 1 to prevent reflection of direct sunlight and to prevent deterioration of visibility of electric light. This shade 6
The grid plates are arranged in parallel, and are provided so as to be inclined downward from the horizontal axis of the light bulb 4. Electronic display devices are usually
Since it is installed at a high position such as the upper stage of the spectator's seat in a baseball field, etc., when the spectator looks at the screen of the electronic display device, the screen will be looked up from diagonally below, but the lamp for the electronic display is horizontal. Since it is installed so as to face, it is difficult for the spectators to see the electronic display. Therefore,
As described above, when the shade 6 is provided so as to be inclined downward, the visibility is improved because the amount of light projected toward the spectator seats is increased.

Next, a description will be given of the process of mounting the mounting device for the electric light indicating lamp on the mounting plate P of the electric light displaying device. Opening P1 of the mounting plate P of the electronic display device shown in FIG.
The bulb cover 1 is inserted into the front of the mounting plate P, and the rear surface of the large diameter portion 1a is brought into contact with the front surface of the mounting plate P via the packing 5. At this time, since a notch (not shown) through which the locking projection 1d can penetrate is formed in the hole P1, the locking projection 1d penetrates through this notch, and the light bulb cover 1 is rotated to attach the mounting plate P. Abut. Next, the attachment ring 2 is fitted from the rear end of the light bulb cover 1, the notch 2b of the attachment ring 2 is penetrated by the locking projection 1d, and the surface 2h of the attachment ring 2 is brought into contact with the attachment plate P. At this time, depending on the thickness of the mounting plate P, an appropriate one is selected from the locking portions 2c, 2d, 2e,
Hold the gripping portion 2g of the mounting ring 2 and rotate it clockwise or counterclockwise to slide the locking projection 1d along the back surface of the ring-shaped portion 2a to select one of the locking portions 2c, 2d, 2e. Engage with. At this time, the mounting ring 2 presses the mounting plate P against the elastic force of the packing 5, and the bulb cover 1
Is firmly fixed. Next, the light bulb socket 3 with the light bulb 4 attached is inserted from the rear end opening of the light bulb cover 1, the locking piece 1c of the light bulb cover 1 is passed through the cutout portion 3d of the light bulb socket 3, and the light bulb socket 3 is rotated clockwise. Turn to engage.

As described above, in the apparatus for mounting the electric display lamp according to the present embodiment, the electric display lamp can be mounted in correspondence with several kinds of mounting plates P having different thicknesses. Further, since the light bulb socket 3 with the light bulb 4 attached thereto can be easily attached and detached from the rear end opening of the light bulb cover 1, the replacement work due to the disconnection of the filament of the light bulb 4 can be easily performed from the back side of the electronic display board. . The present invention is not limited to the above configuration. For example, the mounting ring 2 has three locking portions formed at equal intervals, but the number is not limited.

[0013]

As described above, according to the present invention,
A mounting ring for sandwiching the mounting plate of the electronic display device is interposed between the rear surface of the large diameter portion of the light bulb cover and the locking projection of the small diameter portion, and a plurality of locking portions are provided on this mounting ring. Since the engaging surface of the stop portion is formed to have different thicknesses from the surface that abuts the mounting plate, it is easy to adjust the spacing for sandwiching the mounting plate, and it is possible to cope with various sizes of electronic display devices. It has a simple structure and is easy to install, and it is low cost.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a mounting device for an electric display lamp.

FIG. 2A is a rear view of the mounting ring, and FIG. 2B is a sectional view taken along line AA.

3 (a) is an enlarged cross-sectional view taken along line BB of FIG. 2 (a),
2B is an enlarged sectional view taken along line CC of FIG. 2A, and FIG.
It is a DD expanded sectional view of (a).

FIG. 4 is a cross-sectional view showing a mounting state of a mounting device for a lamp for electric light display.

[Explanation of symbols]

 1 Light Bulb Cover 1a Large Diameter Part 1b Small Diameter Part 1d Locking Protrusion 2 Mounting 2b Cutouts 2c, 2d, 2e Locking Part 2h Surface Abutting Mounting Plate 4 Electric Light Display Lamp (Light Bulb) F Engaging Surface P Mounting Plate P1 Mounting plate opening

Claims (1)

[Claims] 1. A light bulb display is built-in, and a light bulb cover is inserted into an opening provided in a lightning display mounting plate. The light bulb cover has a large contact with a front surface of the mounting plate. A small diameter portion that penetrates through the opening of the mounting plate and projects to the rear side of the mounting plate is formed, and the mounting plate is formed between the small diameter portion and the back surface of the large diameter portion. A mounting ring for sandwiching and fixing is attached to the small diameter portion, and a plurality of locking projections for engaging the mounting ring and urging and fixing the mounting ring toward the mounting plate are provided. The mounting ring is formed with a notch through which the locking projection can penetrate, and the back side of the mounting ring is provided with a plurality of locking parts capable of engaging with the locking projections. Is provided, and the engaging surface of each locking portion with the locking projection is A mounting device for an electric display lamp, characterized in that the mounting plate is formed to have different thicknesses from the surface in contact with the mounting plate.