JPH0650882Y2 - Spotlight with cutter - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a spotlight with a cutter, and more particularly to the assembling of a cutter.

[Conventional technology]

A spotlight with a cutter, which is used for the stage, has a lamp attached to a socket inside the lamp body, and a cutter that freely changes the light distribution pattern forward of the lamp of the lamp body, and has passed through the cutter. And a lens for adjusting the spread of light.

Conventionally, as a spotlight with a cutter, one as shown in FIGS. 4 and 5 is generally known. The substantially cylindrical lamp body 9 of this spotlight with a cutter has a lamp portion 91 in which a lamp mounted in a socket is housed inside and a cutter is provided in the vicinity of a translucent opening on the front surface, and a front end of the lamp portion 91. The lens unit 92 is equipped with a lens that adjusts the spread of light that has passed through the attached cutter. A step portion 93 is formed in the vicinity of the light transmitting opening on the front surface of the lamp portion 91 of the lamp body 9 to have a small diameter. This step
A cutter blade opening 94, which is an elongated hole, is formed in the side surface of 93, and an assembly screw hole 95 is formed in which a screw that is fitted to the rear end of the lens portion 92 and is coupled to each other is screwed. There is.

A step portion 96 is formed at the rear end of the lens portion 92 to have a large diameter, and the lens portion 92 is fitted onto the step portion 93 of the lamp portion 91.
On the side surface of the stepped portion 96, an assembly screw insertion hole 97 for inserting a screw for connecting the lamp portion 91 and the lens portion 92 to each other is formed. Then, the lamp body 9 is attached to a mounting surface such as a ceiling by a suspender 98 whose end portion is rotatably attached to a side surface of the lamp portion 91 so that the irradiation direction can be changed.

The cutter incorporated in the lamp portion 91 of the lamp body 9 is configured as shown in FIG. In the ramp portion 91, first, the rear holding plate 6'having a light transmitting opening in the center is provided with the step portion 93.
It is installed until it goes deeper than the cutter blade opening 94 drilled in.

Then, the two cutter blades 7 are inserted into the ramp 91 through the two cutter blade openings 94 facing each other. Then, a mask plate 5'having substantially the same shape as the rear pressing plate 6'is incorporated and holds the two cutter blades 7 between the rear pressing plate 6 '. Next, two cutter blade openings 94 located at a substantially right angle to the two cutter blade openings 94.
Two cutter blades 7 are inserted into the ramp portion 91 from 94. Then, the rear pressing plate 6'and the front pressing plate 4'having substantially the same shape as the mask plate 5'are taken in and hold the two cutter blades 7 between them and the mask plate 5 '. At this time,
The projection 65 'projecting from the rear pressing plate 6'is formed on the mask plate 5'.
Also, it is inserted into the projection insertion holes 55 'and 45' of the front pressing plate 4'to prevent the four cutter blades 7 from coming off.

The rear holding plate 6 ', the mask plate 5', and the front holding plate 4'are respectively formed with assembly screw insertion holes.
It is attached to the lamp portion 91 of the lamp body 9 by the screw 10 inserted through 64 ', 54' and 44 '.

In the lens part 92, the cutter is the ramp part 91 as described above.
Then, it is assembled with the lamp 91.

[Problems to be solved by the device]

However, the spotlight with a cutter as described above has a problem in that the number of parts is large and the structure is complicated as described above, and it takes time and effort to assemble the cutter into the lamp body 9, resulting in a high cost.

The present invention has been made in view of the above background, and an object of the present invention is to provide a spotlight with a cutter that can be easily assembled and can reduce the cost.

[Means for Solving the Problems]

The spotlight with a cutter according to the present invention is a substantially cylindrical lamp body that accommodates the lamp mounted in the socket, and the operation knob of the cutter blade is located outside the lamp body through the cutter blade opening provided on the side surface of the lamp body. In a spotlight with a cutter, in which a cutter that projects the light to change the light distribution pattern is arranged, the cutters have substantially the same shape, and each has a light-transmitting opening in the center and a locking portion that engages with the cutter blade opening in the periphery. The front pressing plate, the mask plate, the rear pressing plate, and the front pressing plate and the mask plate, and the mask plate and the rear pressing plate that are substantially orthogonal to each other 2
Each of the cutter blades is composed of four cutter blades, each of which has two tips facing each other in the direction, and is sandwiched by two blades, and a plurality of clips for integrally assembling and sandwiching a front pressing plate, a mask plate, and a rear pressing plate. The cutter blade has openings corresponding to the cutter blades, and is divided into two parts along a plane that extends in the axial direction and crosses the pair of cutter blade openings facing each other.

〔Example〕

1 to 3 show an embodiment of the present invention, which will be described below with reference to the drawings.

The lamp body has a substantially rectangular tube shape with rounded corners, and has a substantially rectangular gutter-shaped lamp body 1 and a shallow substantially rectangular gutter-shaped lamp body body 2 which are divided into two parts by an axial surface from the upper surface. It consists of and. The lamp body 1 has a lamp section 11 equipped with a socket for mounting a lamp at one end, and a lens section 12 for adjusting the spread of light distribution from the other end. In order to incorporate the cutter 3 in the vicinity of the center of the lamp body 1, there are provided a pair of cutter blade grooves 13 facing each other on both sides and one cutter blade opening 14 with the cutter blade protruding to the bottom surface. Are formed on substantially the same circumference. Further, in the vicinity of the upper ends of both sides of the lamp body 1, an assembly screw hole 15 into which a screw for assembling with the lamp cover body 2 is screwed is provided.

The lamp body cover 2 has step portions 21 on both side surfaces that spread outward and are fitted onto the upper end of the side surface of the lamp body 1, respectively, and assembly screws are inserted through the step portions 21 for assembling screws. Holes 22 are formed corresponding to the positions of the assembly screw holes 15 of the lamp body 1. Further, a cutter blade groove 23 is formed in the step portion 22 at a position corresponding to the cutter blade groove 13 of the lamp body 1 so as to face each other in order to incorporate the cutter 3, and cooperates with the cutter blade groove 13. A cutter blade opening is formed so that the cutter blade protrudes.

Further, the upper surface of the lamp cover 2 is provided with cutter blade openings 24 that face each other corresponding to the cutter blade openings 14 of the lamp body 1 in the assembled state.

The cutter 3 incorporated in this lamp body includes a front pressing plate 4 which is a substantially octagonal thin plate having the same shape, a mask plate 5, a rear pressing plate 6, a space between the front pressing plate 4 and the mask plate 5, and a mask plate. 5 and the rear pressing plate 6 and the four cutter blades 7 whose front ends are respectively sandwiched by two, and the front pressing plate 4, the mask plate 5, and the rear pressing plate 6 are integrally assembled and sandwiched. It is composed of a clip 8.

The front pressing plate 4, the mask plate 5, and the rear pressing plate 6 are formed of a substantially octagonal thin-shaped steel plate, etc.
It has 41, 51 and 61.

Further, the front pressing plate 4, the mask plate 5, and the rear pressing plate 6 have a shape in which the vicinity of each side positioned diagonally is cut slightly from the adjacent side to the center, and the clip 8 is locked. The clip stoppers 42, 52, and 62 are connected to each other, and the vicinity of each side between the clip stoppers 42, 52, and 62 is inserted into the cutter blade opening when assembled in the lamp body to light the cutter 3. The locking portions 43, 53, 63 are locked to the body.

The cutter blade 7 is formed of a thin steel plate or the like in a substantially spatula shape, and protrudes from the light transmitting openings 41, 51, 61 of the front pressing plate 4, the mask plate 5 and the rear pressing plate 6 to change the light distribution pattern. The cutter blade 71 to be operated and the operation knob portion 72 for changing the light distribution pattern by protruding from the locking portions 43, 53, 63 of the front pressing plate 4, the mask plate 5 and the rear pressing plate 6 to the outside of the lamp body.
And have.

The clip 8 is formed of a stainless steel plate or the like in substantially the same shape as a conventionally known one for sandwiching a document, and the clip 8 is sandwiched with a force that does not hinder the smooth movement of the cutter blade 7 to integrally unite the cutter 3. I am maintaining.

As for the assembly of the spotlight with a cutter, as shown in FIG. 2, first, the cutter 3 is assembled and incorporated into the lamp body 1, and the locking portions 43, 53, 63 of the cutter 3 are attached to the cutter blade opening 14 and the cutter. It is carried out by fitting it into the blade groove 13, then covering the lamp body 2 with the lamp body 2, and connecting the lamp body 1 and the lamp body 2 with screws.

In the assembled state of this spotlight with a cutter, as shown in FIG. 3, the locking portions 43, 53, 63 are fitted into the cutter blade openings of the lamp body to prevent the cutter 3 from moving and falling. There is. Further, the clip 8 which is fitted over the clip stoppers 42, 52 and 62 and holds the front pressing plate 4, the mask plate 5 and the rear pressing plate 6 between them substantially contacts the inner surface of the lamp body at the corner portion of the lamp body. It is designed so that it does not come in contact with or slip off.

In this spotlight with a cutter, since the lamp body is divided vertically and the assembly of the cutter is held by clips, the assembly is easy and the cost can be reduced.

The shape of the lamp body is not limited to the rectangular tube shape, and the front pressing plate, the mask plate and the rear pressing plate may be changed according to the lamp body.

[Effect of device]

Since the present invention is configured as described above, the cutter itself can be easily assembled, and the cutter can be easily incorporated into the lamp body. Therefore, the number of assembling steps can be reduced and the cost can be reduced. Play.

[Brief description of drawings]

1 to 3 show an embodiment of the present invention. FIG. 1 is an exploded perspective view, FIG. 2 is an exploded perspective view during assembly, and FIG. 3 is a sectional view of a cutter portion. . Fourth
5 and 5 show a conventional example for the present invention, FIG. 4 is a partially exploded perspective view, and FIG. 5 is an exploded perspective view of a main part. 1 ... Lamp body, 13 ... Cutter blade groove, 14 ... Cutter blade opening, 2 ... Lamp cover, 23 ... Cutter blade groove,
24 …… Cutter blade opening, 3 …… Cutter, 4 …… Front pressing plate, 41 …… Transparent opening, 43 …… Locking part, 5 …… Mask plate, 51 …… Transparent opening, 53 …… Stop part, 6 ... rear holding plate, 61 ... translucent opening, 63 ... locking part, 7 ... cutter blade, 8 ... clip.

Claims (1)

[Scope of utility model registration request] 1. An operation knob portion of a cutter blade is projected to the outside of the lamp body from an opening of a cutter blade provided on a side surface of the lamp body in front of the lamp of a substantially cylindrical lamp body accommodating the lamp mounted in a socket. In a spotlight with a cutter in which a cutter that changes a light distribution pattern is arranged, the cutters have substantially the same shape, and each has a light-transmitting opening in the central portion and a locking portion that engages with the blade opening in the peripheral portion. A mask plate, a back pressing plate, and four cutter blades sandwiching two with the tips facing each other in two directions substantially orthogonal to each other between the front pressing plate and the mask plate and between the mask plate and the back pressing plate. , Composed of a plurality of clips that assemble and sandwich the front pressing plate, the mask plate, and the rear pressing plate integrally, and the lamp body corresponds to the cutter blade of the cutter. Which has a cutter blade opening,
A spotlight with a cutter, characterized in that it is divided into two parts along a plane that intersects the pair of cutter blade openings facing each other along the axial direction thereof.