JPH0239282Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] The present invention relates to a lighting fixture in which a glass panel is disposed at the lower opening of a bowl-shaped reflecting mirror such as a floodlight.

[Background Art] FIG. 4 shows a cutaway side view of a conventional lighting fixture such as a floodlight, in which a fixture main body 11 is supported by a support piece 12. The reflector 1 of the device body 11 is formed into a bowl shape, and there is a lamp 1 inside.
3 is arranged, and a glass panel 2 is arranged at the lower opening of the reflecting mirror 1. This glass panel 2
was fixed to the reflecting mirror 1 as follows.
That is, as shown in FIG.
Drill a hole 2a for inserting the screw 14 into the hole 2a.
A screw 14 is inserted through the fixing fitting 15 having a hook portion 15a at one end, and a nut 18 is screwed on the top side of the glass panel 2, and the fixing fitting 15 is installed on the bottom side of the glass panel 2 using this screw 14. ing. Then, the lower surface of the gasket 17 attached to the periphery of the reflector 1 is brought into elastic contact with the periphery of the glass panel 2, and the lower end of the spring 16 whose upper end is attached to the reflector 1 is attached to the fixing metal fitting 15. The glass panel 2 was fixed to the reflecting mirror 1 by being hooked onto the hook portion 15a.
In such a conventional example, it is necessary to drill holes 2a in the glass panel 2 for fixing the screws 14, and the problem is that the glass panel 2 is damaged during the drilling process, resulting in poor yield during parts processing and high costs. It was hot. Furthermore, in order to make the holes 2a in the glass panel 2, a certain amount of thick glass had to be used, which caused the problem of increased weight.

FIG. 6 shows another conventional example, in which the glass panel 2 is fixed by a method that does not require making holes. A circular glass frame 19 with an L-shaped cross section is attached to the reflecting mirror 1 with a set screw 21, and an L-shaped locking part 20 is attached to the inside of the glass frame 19.
The glass panel 2 was attached to the opening on the lower surface of the reflecting mirror 1 by locking the peripheral edge of the glass panel 2 with 0. In such a case, a glass frame 19 for holding the glass panel 2 is required, and when the shape of the glass panel 2 is square as shown in FIG. 7a or triangular as shown in FIG. 7b, etc. If the glass frame 19 is irregularly shaped, it becomes difficult to manufacture the glass frame 19, and the cost becomes high.

[Purpose of the invention] The present invention has been proposed in view of the above-mentioned points, and can be attached to the lower opening of the reflector without making a hole in the glass panel, and can be attached to the opening on the lower surface of the reflector, while reducing the number of parts. The present invention provides lighting equipment for the purpose of achieving.

[Disclosure of the Invention] (Structure) The present invention consists of a translucent glass panel disposed at the lower opening of the reflecting mirror, a pair of strip-shaped bands, and an end portion between the pair of bands that fits opposite each other. A frame body formed by a pair of interposed band support metal fittings, and the frame body is contracted in the inner radial direction by tightening the bands and the band support metal fittings, respectively, and the inner circumferential surface of the frame body contracts the outer circumferential surface of the glass panel. a threaded metal fitting arranged beside one of the band supporting metal fittings, a lower end of which is rotatably supported by the tightening screw, and an upper end of which is attached to the reflector; It is placed opposite to this threaded metal fitting, and is also placed beside the other band support metal fitting, and its lower end is rotatably supported by the aforementioned tightening screw, and its upper end is detachably attached to the reflector. The device is characterized by having an opening/closing fitting for attaching the device.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.
FIG. 1 shows an exploded perspective view of each member for fixing the glass panel 2 to the lower opening of the reflecting mirror 1. As shown in FIG. In this embodiment, a case where the glass panel 2 is circular will be described. A ring-shaped elastic body 22 such as rubber and having a U-shaped cross section is fitted around the periphery of the glass panel 2. A pair of belt-shaped bands 3,
4 is formed in an arc shape, and connecting pieces 3a and 4a are formed at both ends of the band 3, respectively, by bending them outward. The band support fittings 5 and 6, which are arcuate and have a U-shaped cross section, are connecting pieces 3a and 4a of the bands 3 and 4.
These bands 3, 4 and band support fittings 5, 6 form a circular frame 7.
is configured. Connecting pieces 5a, 6a facing the connecting pieces 3a, 4a also at both ends of the band support fittings 5, 6.
are each bent outward. The connecting pieces 3a, 4a of the bands 3, 4 are provided with insertion holes 3b, 4b into which the tightening screws 8 are inserted, respectively, and the connecting pieces 5a, 6a of the band support fittings 5, 6 are provided with insertion holes 3b, 4b, respectively.
Screw holes 5b and 6b are screwed into which the tightening screw 8 is screwed via screws c and 4b.

The bands 3, 4 and the band support fittings 5, 6 form a circular structure, and each connection piece 3a, 4a of the bands 3, 4
Insert the tightening screws 8 into the insertion holes 3b and 4b, respectively.
It is screwed into the screw holes 5b, 6b of the connection pieces 5a, 6a of the band support fittings 5, 6. When this tightening screw 8 is screwed together, a threaded metal fitting 9 and an opening/closing metal fitting 10 are attached to the frame 7 as described later. That is, the threaded metal fitting 9 attached to the outside of the band support metal fitting 5 is bent into a substantially Z-shape, and the lower end thereof is bent outward and upward over the entire length in the width direction to form the shaft hole 23. Further, the upper part of the threaded metal fitting 9 is attached to the outer surface of the reflecting mirror 1. The lower end of the opening/closing fitting 10 attached to the outside of the band support fitting 6 is similarly curved outward over the entire length in the width direction to form a shaft hole 24, and the upper part has an opening/closing screw 25 for insertion. An insertion hole 26 is bored. Both shaft holes 23 and 24 of the threaded metal fitting 9 and the opening/closing fitting 10 are both formed larger than the diameter of the tightening screw 8.
0 on the outside of the band support fittings 5 and 6, respectively, and insert the tightening screws 8 into the screw holes 5b and 6b of the connection pieces 5a and 6a through the insertion holes 3b and 4b of the connection pieces 3a and 4a as described above. When screwed together, the tips of the tightening screws 8 are inserted into the shaft holes 23, 24 of both metal fittings 9, 10, and both metal fittings 9, 10 are rotatably supported.

Therefore, the elastic body 2 is attached to the peripheral edge of the glass panel 2.
2, and fit the elastic body 22 into the grooves 27 and 28 formed inside the band support fittings 5 and 6 so that the band support fittings 5 and 6 are in opposing positions, and then the bands 3 and 4 are fitted. The inner surface thereof is brought into contact with the outer peripheral surface of the elastic body 22, and the band support fittings 5, 6 and the bands 3, 4 are tightened with the tightening screws 8 as described above, and the threaded fitting 9 and the opening/closing fitting 10 are connected to the band. It is pivotally supported by support fittings 5 and 6, respectively. Tightening screw 8
By tightening them, respectively, the glass panel 2 is held by the frame 7 with the outer circumferential surface of the glass panel 2 sandwiched between the inner circumferential surface of the frame 7 and the outer circumferential surface of the glass panel 2. Next, the frame body 7 holding the glass panel 2 is attached to the reflecting mirror 1.
, rotate the threaded metal fitting 9 upward to apply it to the outer surface of the reflecting mirror 1, and fix the threaded metal fitting 9 to the reflecting mirror 1 with the fixing tool 29 as shown in Fig. 3a. do. Furthermore, rotate the opening/closing fitting 10 upward, and insert the opening/closing screw 25, which has the insertion hole 26 inserted into the screw hole 31, into the fixing piece 30 that stands up on the periphery of the reflector 1, as shown in FIG. 3b. By screwing together,
The opening/closing fitting 10 is fixed to the reflecting mirror 1. Therefore, the opening/closing fitting 10 is detachably fixed to the reflecting mirror 1 by the opening/closing screw 25. FIG. 2a shows a sectional view where the band support fittings 5 and 6 are not present, and FIG. 2b shows a sectional view where the band support fittings 5 and 6 are present.

[Effects of the invention] As described above, the present invention includes a translucent glass panel disposed at the lower opening of the reflecting mirror, a pair of strip-shaped bands, and a pair of bands between the opposite ends of the pair of bands. A frame formed by a pair of interposed band support metal fittings is tightened respectively between the band and the band support metal fittings to contract the frame body in the radial direction, and the inner peripheral surface of the frame body contracts the outer peripheral surface of the glass panel. a clamping screw to be held; a threaded metal fitting disposed beside one of the band supporting metal fittings, a lower end of which is rotatably supported by the tightening screw, and an upper end of which is attached to the reflecting mirror;
It is placed opposite to this threaded metal fitting, and is also placed beside the other band support metal fitting, and its lower end is rotatably supported by the aforementioned tightening screw, and its upper end is detachably attached to the reflector. The band and the band support metal fittings form a frame body, and the end portions of the band and the band support metal fittings are tightened with tightening screws, and the inner circumferential surface of the frame body is The glass panel can be held by tightening the outer surface of the glass panel, and the upper end of the threaded metal fitting, which is pivotally supported by the tightening screw forming this frame, is attached to the reflector, and By removably attaching the upper end of the opening/closing fitting, which is pivotally supported by a tightening screw, to the reflector, the glass panel can be placed in the lower opening of the reflector. By using the shaft of the threaded metal fitting and the opening/closing metal fitting as a tightening screw that tightens the band and the band support fitting, it is possible to reduce the number of parts, and it is also possible to reduce the number of parts by drilling holes in the glass panel as in the conventional method. Since the outside surface of the glass panel is held and fixed without any damage, there is no risk of damage to the glass panel.Therefore, it can be used even with thin glass panels, which has the advantage of reducing the weight and cost of the device. has. Furthermore, since the band is in the form of a strip, it has the advantage that it can be used inexpensively even if the glass panel has an irregular shape such as a trapezoid or a rectangle.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view of an embodiment of the present invention, Fig. 2 a and b are longitudinal and horizontal cross-sectional views of the same, Fig. 3 a is an enlarged sectional view of section B of Fig. 2 b of the above, Figure 3b
is an enlarged sectional view of section C in FIG. 2b of the same above, FIG. 4 is a cutaway side view of the main body of the conventional device, FIG. A sectional view of the conventional example, and FIGS. 7a and 7b are plan views showing cases in which the shapes of the glass panels are different. 1 is a reflecting mirror, 2 is a glass panel, 3 and 4 are bands, 5 and 6 are band support fittings, 7 is a frame, 8 is a tightening screw, 9 is a threaded fitting, and 10 is an opening/closing fitting.

Claims (1)

[Scope of utility model registration request] A frame formed by a translucent glass panel disposed in the lower opening of the reflecting mirror, a pair of band-shaped bands, and a pair of band support fittings interposed between the opposing ends of the pair of bands. A tightening screw that compresses the frame body in the radial direction by tightening the body, the band, and the band support metal fitting, and clamps the outer peripheral surface of the glass panel with the inner peripheral surface of the frame body, and one of the band support metal fittings is tightened. a hinge metal fitting, the lower end of which is rotatably supported by the tightening screw, and the upper end of which is attached to the reflecting mirror; 1. A lighting fixture comprising an opening/closing fitting disposed beside the fitting, a lower end rotatably supported by the tightening screw, and an opening/closing fitting having an upper end detachably attached to a reflecting mirror.