JP3052045B2 - Lightning display lamp mounting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric light display lamp mounting device used for an electric light 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 light-emitting display device used in a baseball field, a soccer field, or the like, a large number of light-emitting display lamps are mounted on a mounting plate of the light-emitting display device, and the screen is arranged in an orderly manner. doing. In mounting the above-mentioned electric light display lamp, a light bulb is built in a light bulb cover serving as a hood and is disposed on a mounting plate of the electric light display device for reasons such as improving visibility.
However, it takes time and effort to attach a large number of lightning display lamps to a large-screen lightning display device, and it is necessary to frequently replace the lamp due to a broken filament of the incandescent light bulb used in the lightning display lamp. This work also took time. Therefore, in a conventional mounting device for an electric light display lamp, a light bulb cover having a large-diameter portion and a small-diameter portion in which a hole corresponding to the number of electric light display lamps is formed in a mounting plate of the electric light display device. Is fitted in the above-mentioned opening. That is, a locking projection that locks the mounting plate is provided at the small diameter portion that penetrates the opening of the mounting plate and protrudes to the rear side, and between the locking projection and the rear surface of the large diameter portion that protrudes to the front side of the mounting plate. (Japanese Utility Model Publication No. 63-23739).

[0003]

However, in the above-mentioned conventional mounting device for an electric light indicating lamp, the distance between the rear surface of the large diameter portion which clamps the mounting plate and the locking projection is fixed, so that the mounting device has a constant thickness. There is a problem that it can be applied only to the mounting plate. That is, the screen of the electro-optical display device has various sizes, and various thicknesses of the mounting plate are used depending on the size of the screen. Since a plurality of light bulb covers must be prepared, it is complicated and causes high cost. SUMMARY OF THE INVENTION An object of the present invention is to provide a low-cost light-emitting display lamp mounting device which can be adapted to various sizes of light-emitting display devices, has a simple structure, is easy to mount, and is low-cost.

[0004]

In order to achieve the above object, an electric light display lamp mounting apparatus according to the present invention has a built-in electric light display lamp and an opening provided on an electric light display mounting plate. The light bulb cover has a large-diameter portion that contacts the front surface of the mounting plate, and a small-diameter portion that projects through the opening of the mounting plate and projects to the rear side of the mounting plate. It is formed. A mounting ring for inserting and fixing a mounting plate between the small diameter portion and the rear surface of the large diameter portion is fitted through the small diameter portion. Also,
The small diameter portion is provided with a plurality of locking projections that engage with the mounting ring and urge the mounting ring toward the mounting plate to be fixed. The mounting ring has a cut-out portion through which the locking projection can penetrate, and a plurality of locking portions each of which can engage with each locking projection are provided on the back side of the mounting ring. The engagement surface of each engagement portion with the engagement projection is formed to have a different thickness from the surface of the attachment ring that comes into contact with the attachment 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 with the locking projection.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 shows members constituting a device for mounting an electric light display lamp according to the present invention.
The figure shows a state in which the mounting device for the electric light display lamp is mounted on a mounting plate constituting a screen of the electric light display device. As shown in FIGS. 1 and 4, the light bulb cover 1 includes a mounting plate P
A large-diameter portion 1a that comes into contact with the front surface of the mounting plate P and protrudes forward, and a small-diameter portion 1b that penetrates the opening P1 of the mounting plate P and protrudes to the rear side of the mounting plate P. In the small diameter portion 1b of the bulb cover 1,
A mounting ring 2 for fixing the light bulb cover 1 by tightly mounting the mounting plate P between the large diameter portion 1a and the rear surface thereof is inserted. A locking projection 1d which engages with the mounting ring 2 and urges and fixes the mounting ring 2 toward the mounting plate P on the peripheral body of the small diameter portion 1b.
Are provided at three locations at equal intervals. In addition, a pair of L-shaped locking pieces 1c for connecting the bulb socket 3 are provided on the rear end face of the small diameter portion 1b. A ring-shaped packing 5 is provided in contact with the rear surface of the large diameter portion 1a. The packing 5 is made of an elastic material such as rubber or resin.

In FIG. 1 and FIG. 2A, the mounting ring 2 has a cylindrical shape, and a ring-shaped portion 2a is formed inward from the inner peripheral surface of the cylindrical front end.
The small-diameter portion 1b of the light bulb cover 1 fits inside the inner end surface of the light-emitting device. A light bulb cover 1 is provided on the ring-shaped portion 2a.
Notches 2b having a width and a length through which the locking projections 1d can penetrate are formed at equal intervals. An inclined surface is formed at an end of the ring-shaped portion 2a facing the notch 2b so that the locking projection 1d can easily pass (slide). Ring-shaped part 2
a has locking portions 2c, 2d, which can be engaged with the locking projections 1d.
2e are provided at three places each. The locking portions are equally spaced 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 attachment ring 2, reinforcing ribs 2 f and grip portions 2 g integral with the ribs 2 f are provided at three places at equal intervals.

[0008] The locking portions 2c, 2d and 2e will be described. 2 (b) and 3 (a), (b),
As shown in (c), each engaging surface F of each of the locking portions 2c, 2d, and 2e with the locking projection 1d is attached to the mounting plate P of the mounting ring 2.
Are formed at different thicknesses h1, h2, and h3, respectively, from the surface 2h in contact with. As for this thickness, the locking portion 2e is the thickest, the locking portion 2c is the thinnest, and the locking portion 2d is formed to have an intermediate thickness, that is, h1>h2> h3. Therefore, as shown in FIG. 4, by selecting any one of the locking portions 2c, 2d, and 2e for the locking portion with which the locking protrusion 1d is engaged, the large-diameter portion from the surface 2h of the mounting ring 2 is formed. The distance to the back of 1a will be 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 large-diameter portion 1a and the packing 5 on the back side,
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 thickest, it is possible to support mounting plates P of various thicknesses.

At the rear end of the bulb cover 1, a bulb socket 3 to which a bulb 4 is attached is detachably provided. A base (not shown) is provided inside the bulb socket 3, and is electrically connected to the cables 3a and 3b. The collar 3c of the bulb socket 3 has a
Notch 3d having a width through which a pair of locking pieces 1c can penetrate
Is formed. The bulb socket 3 is made of an elastic material such as rubber or resin having moisture resistance, and is resiliently fitted to the bulb cover 1 to seal the opening at the rear end of the bulb cover 1.

In FIG. 4, a shade 6 is provided at the front end of the bulb cover 1 to prevent reflection of direct sunlight and to prevent deterioration of the visibility of lightning. This shade 6
It is composed of grid plates arranged in parallel, and is provided to be inclined below the horizontal axis of the bulb 4. Lightning display devices are usually
Since it is installed at a high position such as the upper row of the audience seats such as a baseball stadium, when the spectator looks at the screen of the electronic display device, he will look up the screen diagonally from below, but the electric light display lamp is in the horizontal direction. Since it is installed so as to face, the electronic display is difficult to see from the position of the audience. Therefore,
As described above, if the shade 6 is provided so as to be inclined downward, the amount of light projected toward the audience seats increases, so that visibility is improved.

Next, a description will be given of a process of attaching the device for mounting the electric light display lamp to the mounting plate P of the electric light display device. Opening P1 of mounting plate P of the electro-optical display device shown in FIG.
The light bulb cover 1 is inserted from the front, and the back 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, a notch (not shown) through which the locking projection 1d can penetrate is formed in the opening P1, so that the locking projection 1d is made to pass through this notch, and the bulb cover 1 is turned to turn the mounting plate P Contact. Next, the mounting ring 2 is fitted through the rear end of the bulb cover 1 so that the notch 2b of the mounting ring 2 penetrates the locking projection 1d, and the surface 2h of the mounting ring 2 is brought into contact with the mounting plate P. At this time, according to the thickness of the mounting plate P, an appropriate one is selected from the locking portions 2c, 2d, and 2e.
The gripper 2g of the mounting ring 2 is gripped and turned clockwise or counterclockwise to slide the locking projection 1d along the back surface of the ring-shaped portion 2a, and any one of the locking portions 2c, 2d, and 2e. To be engaged. At this time, the mounting ring 2 presses the mounting plate P against the elastic force of the packing 5, and
Is firmly fixed. Next, the light bulb socket 3 on which the light bulb 4 is mounted is inserted through the rear end opening of the light bulb cover 1, the locking piece 1 c of the light bulb cover 1 is penetrated through the notch 3 d of the light bulb socket 3, and the light bulb socket 3 is turned clockwise. Turn to engage.

As described above, in the electric light display lamp mounting apparatus of the present embodiment, the electric light display lamp can be mounted corresponding to several kinds of mounting plates P having different thicknesses. Further, since the light bulb socket 3 to which the light bulb 4 is mounted can be easily attached and detached from the rear end opening of the light bulb cover 1, the replacement work by breaking the filament of the light bulb 4 can be easily performed from the back of the electric display panel. . Note that the present invention is not limited to the configuration described above. For example, although three locking portions are formed at equal intervals on the mounting ring 2, the number is not limited.

[0013]

As described above, according to the present invention,
Between the back surface of the large-diameter portion of the bulb cover and the locking projection of the small-diameter portion, a mounting ring for interposing the mounting plate of the electronic display device is interposed, and a plurality of locking portions are provided on the mounting ring. Since the engagement surfaces of the stop portions are formed to have different thicknesses from the surfaces that come into contact with the mounting plate, it is easy to adjust the spacing between the mounting plates, and it can correspond to various sizes of lightning display devices. It has a simple structure, is easily mounted, and is low in cost.

[Brief description of the drawings]

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

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

FIG. 3A is an enlarged sectional view taken along line BB of FIG. 2A;
2B is an enlarged cross-sectional view taken along the 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 an electric light display lamp.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bulb cover 1a Large diameter part 1b Small diameter part 1d Locking projection 2 Mounting 2b Notch 2c, 2d, 2e Locking part 2h Surface contacting the mounting plate 4 Lighting indicator lamp (bulb) F Engaging surface P Mounting plate P1 Opening of mounting plate

Continuation of front page (58) Field surveyed (Int.Cl. ⁷ , DB name) G09F 9/00-9/46 F21V 19/00 F21M 1/00

Claims (1)

(57) [Claims] An electric light display lamp is built-in, and a light bulb cover is inserted into an opening provided in an electric light display mounting plate. The light bulb cover has a large size that is in contact with a front surface of the mounting plate. A diameter portion, and a small-diameter portion that penetrates through the opening of the mounting plate and protrudes to the rear side of the mounting plate. The small-diameter portion has a mounting plate between the rear surface of the large-diameter portion. A mounting ring is provided in the small-diameter portion to engage with the mounting ring and urge the mounting ring toward the mounting plate to fix the mounting ring. The mounting ring has a cut-out portion through which the locking projection can penetrate, and a plurality of locking portions each of which can be engaged with each of the locking projections is formed on a back side of the mounting ring. The engagement surface of each of the locking portions with the locking projection is provided on the mounting ring. A device for mounting an electric light display lamp, wherein the device is formed to have different thicknesses from surfaces that come into contact with the mounting plate.