JP2604663Y2 - Stage lighting equipment - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stage lighting device having a seed plate.

[0002]

2. Description of the Related Art FIGS. 3 to 5 show a conventional stage lighting device having a seed plate. The stage lighting device shown in FIG. It has a reflection plate 3, a seed plate holder 4 and a seed plate 5.

The luminaire body 1 has a substantially rectangular cylindrical shape, and has a light emitting portion 1a at one end, and a lamp 2 inside the other end.
And the reflector 3 is housed, and the reflector 3 is located at the other end of the lighting fixture body 1 with respect to the lamp 2, and emits light emitted from the lamp 2 to the other end of the lighting fixture body 1. The light is reflected at one end of the main body 1. Further, on the other end side of the lighting fixture main body 1 and on one end side of the lighting fixture main body 1 with respect to the lamp 2, the other end side of the lighting fixture main body 1 is centered on the direction of the light beam inside the lighting fixture main body 1. And a rotating unit 1b that can rotate one end of the rotating unit 1b.

[0004] The seed plate holder 4 is a flat plate having a width substantially equal to the inner width of the luminaire main body 1 and is inserted and mounted through a slit provided above the luminaire main body 1. A large-diameter hole is provided near the other end that is one end, and after the seed plate 5 is attached to the hole, the light emitting body 1 is closer to the one end of the lighting device body 1 than the rotating portion 1b. Part 1a
And the seed plate 5 is positioned in the light beam in a direction substantially perpendicular to the light beam inside the lighting fixture main body 1, and a part thereof is mounted so as to protrude from the lighting fixture main body 1. . Some seed plates 5 have various types of light patterns 5a drawn thereon. For example, as shown in FIG. 4, there is a type in which light patterns 5a like a house shape are drawn. In this seed plate 5,
The inside of the light pattern 5a is configured to transmit light, and the surrounding area is configured not to transmit light. On the seed plate 5 in FIG. .

[0005]

However, in the conventional stage lighting apparatus configured as described above, FIG.
As shown in (2), when the light image 7 projected on the irradiation surface 6 has directionality, the light image 7 is changed depending on the inclination of the seed plate holder 4 itself, the installation conditions of the stage lighting equipment, and the like. In each case, the seed plate holder 4 is removed from the lighting fixture body 1 and the mounting angle of the seed plate 5 is adjusted, or one end of the lighting fixture body 1 is rotated by the rotating unit 1b. Although it was necessary to adjust the angle of the light image 7, it was difficult to rotate the one end side of the lighting fixture body 1, and the seed plate holder 4 also had to be removed one by one. In addition, in order to adjust the angle of the seed plate 5 during use of the stage lighting fixture, there is a problem that the seed plate 5 and the outer shell of the lighting fixture main body 1 are hot and lack security.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to provide a stage lighting device capable of easily and safely adjusting the angle of a seed plate. It is in.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a lighting fixture body 1 having a light emitting portion 1a at one end and a light beam inside the lighting fixture body 1 in a light beam. Stage light comprising a seed plate 5 on which a light pattern 5a for transmitting light is drawn and a seed plate holder 4 holding the seed plate 5 having a substantially circular outer shape and having an opening inside. The lighting device main body 1 is provided with a circular opening 8a in the shape of a flat plate near one end thereof in a direction substantially perpendicular to the light beam in the lighting device main body 1, and a circular opening 8a at the other end. A holder main body 8 provided with a notch 8b having a partially missing shape is attached, the seed plate holder 4 is rotatably engaged with the opening 8a, and a rotary plate 9 having a circular outer shape is inserted into the notch 8b. The seed plate holder 4 is rotatably engaged with the seed plate holder 4. Between 9, the transmission means 10 for transmitting the rotational torque of the rotary plate 9 is provided, it is characterized in that at least a portion of the rotary plate 9 is disposed to protrude from the luminaire main body 1.

[0008]

With the above arrangement, in the stage lighting device of the present invention, the light emitting portion 1a is provided at one end.
And a light pattern 5a disposed in a light beam inside the lighting fixture body 1 and transmitting light.
And a seed plate holder 4 having a substantially circular outer shape holding the seed plate 5 and having an opening on the inside thereof, wherein the main body of the lighting device is provided. 1,
In a direction substantially perpendicular to the light beam in the lighting fixture main body 1, a circular opening 8a is formed in the shape of a flat plate near one end, and a cutout 8b is formed at the other end. The holder body 8 is attached to the seed plate holder 4.
Is rotatably engaged with the opening 8a, and the notch 8
b, a rotating plate 9 having a circular outer shape is rotatably engaged therewith, and a transmission means 10 for transmitting a rotating torque of the rotating plate 9 is provided between the seed plate holder 4 and the rotating plate 9; Since at least a part of the projection 9 is disposed so as to protrude from the lighting fixture main body 1, if the rotating plate 9 protruding from the lighting fixture main body 1 is rotated, the rotation is transmitted to the seed plate holder 4 by the transmission means 10, and The seed plate holder 4 is rotated, and the seed plate 5 attached thereto is rotated, so that the angle of the seed plate 5 can be easily adjusted. In addition, since a part of the rotating portion 9 protrudes outside of the lighting fixture main body 1, even during use of the stage lighting fixture, the temperature is lower than that of the seed plate 5 or the like, and the adjustment can be performed safely.

[0009]

1 and 2 show an embodiment of a stage lighting device according to the present invention. The stage lighting device shown in FIG. 1 mainly includes a lighting device body 1, a lamp 2, and a reflector. 3, a seed plate holder 4, a seed plate 5, a holder body 8, a rotating plate 9 and a transmission means 10, wherein the lighting fixture body 1, the lamp 2 and the reflecting plate 3 are the conventional example. The configuration is substantially the same.

The holder body 8 is formed in a substantially flat plate shape.
A circular opening 8a is provided in the vicinity of one end side, and a part of the circumference is cut off from the other end of the holder body 8 at the other end side, that is, the center of the circle is the holder body 8
A notch 8b is formed so as to be slightly inward from the other end.

A seed plate holder 4 having a substantially annular shape and having a groove 4a engaging with the transmission means 10 on its outer periphery is mounted in the circular opening 8a. Seed plate holder 4
Has a large opening in the center of the hat-shaped section.
Having the same outer diameter as the first annular body 4b,
Also, a flat second annular body 4c having an opening of the same diameter.
And a third annular body 4d having the same shape as the first annular body 4b and a locking claw 4e for locking the seed plate 5, and the first annular body is provided in the opening 8a of the holder body 8. 4b is inserted into the opening 8a of the holder body 8.
The second annular body 4c is brought into contact with the second annular body 4c from the opposite side, and the hat-shaped projecting portion of the third annular body 4d is further
Are disposed in contact with the annular members 4c of the
b to 4d are fixedly formed, and the seed plate holder 4 is rotatable by a groove formed between the flange portion of the first annular body 4b and the second annular body 4c, and the second Annular body 4c
The groove 4a is formed on the outer peripheral side by the hat-shaped flange of the third annular body 4d. A locking claw 4e for locking the seed plate 5 to the inside of the hat-shaped projection is provided on the flange of the first annular body 4b.

A rotary plate 9 having an annular shape substantially the same as the shape of the seed plate holder 4 and having a groove 9a for engaging with the transmission means 10 is mounted on the notch 8b. That is, the rotating plate 9 is composed of two rings 9b and 9d having the same shape as the first and third annular bodies, and a flat disk 9c having the same outer diameter as the rings 9b and 9d. One ring 9
b and the disk 9c, the holder body 8 is sandwiched, and the other ring 9d is placed in contact with the hat-shaped portion of the disk 4c, and these rings 9b, 9d and the disk 9 are disposed.
c is fixed, and the rotating body 9 is rotatable in the notch 8b by a groove formed between the one ring 9b and the disk 9c. An engagement groove 9a is formed by the hat-shaped flange of the disk 9c and the other ring 9d.

Therefore, the portion of the seed plate holder 4 where the groove 4a is provided and the portion of the rotating body 9 where the engaging groove 9a is provided slightly project from the holder body 8, and the groove 4a of the seed plate holder 4 and the rotating body A belt 11 which is a transmission means for transmitting a rotational torque to each other is mounted in the engagement groove 9a of the belt 9.

The holder body 8 configured as described above is
After mounting the seed plate holder 4 on which the seed plate 5 is mounted, the rotating body 9 and the belt 11 as the transmission means, the lighting fixture body 1
In the same manner as in the conventional example, the rotary plate 9 is inserted so as to protrude to the outside on the upper side of the luminaire main body 1 in substantially the same manner as in the conventional example.

With this configuration, in the case of the stage lighting apparatus according to the present embodiment, when adjusting the angle of the seed plate 5, the transmitting means can be turned by rotating the rotating plate 9 protruding outside the lighting apparatus body 1. The torque is transmitted to the seed plate holder 4 via the belt 11 which is the following, and the seed plate 5 attached to the seed plate holder 4 is rotated together with the seed plate holder 4. Therefore, the angle of the seed plate 5 can be easily changed without taking the seed plate 5 out of the lighting fixture body 1 or rotating the lighting fixture body 1 itself. 7 can be easily and safely adjusted.

In the above-described embodiment, the description has been made by exemplifying the belt as the transmitting means. However, the present invention is not limited to this, and a wire or a string may be used as the transmitting means. Further, in the above-described embodiment, the opening of the seed plate holder is circular, but the present invention is not limited to this, and may be square or other shapes.

[0017]

[Effect of the Invention] The stage lighting device of the present invention is constructed as described above. Therefore, the lighting device body having a light emitting portion at one end and the light beam inside the lighting device body are arranged in the light beam. A stage lighting device comprising: a seed plate on which a light pattern that allows light to pass through is drawn; and a seed plate holder having an approximately circular outer shape holding the seed plate and having an opening inside. The lighting fixture body has a circular opening formed near the one end in the form of a flat plate in a direction substantially perpendicular to the light beam in the lighting fixture body, and has a shape lacking a part of the circle at the other end. Attach the holder body with the notch, rotatably engage the seed plate holder with the opening, and rotatably engage the circular plate with a circular outer shape with the notch, and between the seed plate holder and the rotary plate. Transmission means for transmitting the rotating torque of the rotating plate is provided. Since at least a part of the rotating plate is disposed so as to protrude from the lighting fixture main body, if the rotating plate protruding from the lighting fixture main body is rotated, the rotation is transmitted to the seed plate holder by the transmission means, and the seed plate holder is moved. When rotated, the seed plate attached thereto rotates, and the angle of the seed plate can be easily adjusted. In addition, since a part of the rotating portion projects outside the lighting fixture body, the temperature is lower than that of the seed plate and the like even during use of the stage lighting fixture, and the adjustment can be performed safely.

[Brief description of the drawings]

FIG. 1 is a partial sectional side view of an embodiment of a stage lighting device according to the present invention.

FIG. 2 is a cross-sectional view of the holder main body on which the seed plate is mounted.

FIG. 3 is a front view showing a stage lighting device having a conventional seed plate.

FIG. 4 is a front view showing a seed plate holder on which the seed plate is mounted.

FIG. 5 is an explanatory diagram showing an image of light by the seed plate of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lighting fixture main body 1a Light emission part 4 Seed plate holder 5 Seed plate 5a Light pattern 8 Holder main body 9 Rotating body 10 Transmission means

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Claims (1)

(57) [Scope of request for utility model registration] 1. A lighting fixture body having a light emitting portion at one end, a seed plate disposed in a light beam inside the lighting fixture body and having a light pattern through which light is drawn, A stage lighting device comprising a seed plate holder having an outer shape that holds a plate and having a substantially circular shape and an opening inside, wherein the lighting device main body has a light beam in the lighting device main body in a direction substantially perpendicular to the light beam. A flat body is provided with a circular opening near one end, and a holder body provided with a cutout having a shape lacking a circular part at the other end is mounted, and the seed plate holder is placed in the opening. A rotatable engagement, a rotatable circular plate having a circular outer shape is rotatably engaged with the notch, and a transmission means for transmitting a rotational torque of the rotatable plate is provided between the seed plate holder and the rotatable plate. At least a portion of the rotating plate may be A stage lighting device characterized by being arranged to protrude from the body.