JPS6220641B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to a lighting fixture, and relates to a configuration in which a cover covering a lamp is attached to a fixture body in a chandelier or the like.

(Prior art) In conventional lighting equipment of this type, such as chandeliers using recirculated fluorescent lamps, a nut is screwed into the threaded part of a support rod that hangs down from the equipment body.
A structure was adopted in which the cover, which was engaged with the instrument body, was fixed by this nut.

(Problems to be Solved by the Invention) In the conventional lighting equipment described above, when the cover is removed when replacing the lamp, the nut is loosened, and when the nut is removed from the support rod, there is no support for the cover, and the cover is tilted due to its weight. There was a problem that there was a risk that it could come off and fall.

The present invention has been made in view of the above-mentioned problems, and it is possible to prevent the fitting edge of the cover from coming off the engagement edge of the main body of the device when the retainer of the cover and the support rod are disengaged when replacing the lamp. , to provide a lighting fixture that can prevent the cover from falling due to inclination.

[Structure of the invention]

(Means for Solving the Problems) The lighting device of the present invention has an opening with an engagement edge hanging down on the lower surface, and a support rod having a threaded portion on at least the lower end circumferential surface is directed downward from the opening. A hanging device body, a lamp attached to the device body, an engagement edge that engages with the engagement edge on the upper surface, and a through hole through which the support rod is inserted in the lower surface, covering the lamp. It consists of a cover and a retaining body that has a threaded part on its inner periphery that is engaged with the threaded part of the support rod and fixes the cover, and the restraining body has an outer peripheral edge of the through hole of the cover. a receiving part that holds the retainer; and a receiving part that engages with the support rod by inserting the tip of the threaded part through the through hole of the cover, and engages the threaded part of the suppressor with the threaded part of the support rod. a fitting cylindrical portion having a length that continues to be fitted with the support rod when the fitting edge of the cover is separated from the fitting edge of the instrument body by untying the fitting cylindrical portion; It is characterized by

(Function) In the lighting equipment of the present invention, in order to attach the cover to the equipment main body, the support rod hanging down to the equipment main body is inserted through the upper opening of the cover, and the upper fitting edge of the cover is engaged with the engaging edge of the equipment main body. Then, the lower end of the support rod protrudes from the hole in the cover. Then, fit the fitting cylindrical part of the suppressor from the bottom of the support rod, insert it through the through hole of the cover, and screw the threaded part into the threaded part of the support rod using the fitting cylindrical part of the suppressor as a guide. The cover is held by engaging the outer periphery of the through hole of the cover with the receiving part of the presser body. In addition, when replacing a lamp, etc., when the screw engagement between the holding body and the support rod is released and the fitting edge of the cover comes off from the engagement edge of the appliance body, the fitting cylindrical part of the holding body remains supported. The cover is in a fitted state with the rod, and the fitting cylindrical portion of the suppressor comes into contact with the support rod, so that the cover will not fall due to the inclination of the cover.

(Example) The configuration of an example of the present invention will be described with reference to the drawings.

Reference numeral 1 denotes an instrument main body, and the instrument main body 1 has an opening at its lower surface, and an engaging edge 2 that hangs downward is formed at the periphery of this opening. A mounting bracket 3 is fixed to the center of the inner surface of the instrument body 1, and a reflecting plate 4 is fixed to the lower end of the mounting bracket 3. Further, a threaded portion 6 at the upper end of the support rod 5 is inserted into the center of the reflecting plate 4, and the reflecting plate 4 is sandwiched between nuts 7 and 8 screwed into this threaded portion 6 via washers 9 and 10. , the support rod 5 is suspended downward from the opening of the instrument body 1. Further, a threaded portion 11 is formed at the lower end of this support rod 5. Further, a ballast 12 is attached to the upper surface of this reflecting plate 4, and a glow socket 13 is attached to the lower surface of this reflecting plate 4. Further, the reflector plate 4 is provided with a lamp support (not shown) for holding the annular fluorescent lamp 14.

Reference numeral 15 denotes a cover such as a glove, which is made of a transparent material such as glass, and a fitting edge 16 whose outer periphery engages with the engagement edge 2 of the instrument body 1 is formed at the upper end opening of the cover 15. has been done. Further, a through hole 17 through which the support rod 5 is inserted is formed in the center of the lower surface of the cover 15, and a projecting edge 18 is formed downward from the periphery of the through hole 17.

Next, reference numeral 19 denotes a holding body, and on the outer periphery of this holding body 19, a receiving part 20 for holding the outer peripheral edge of the through hole 17 of the cover 15 is formed in an annular shape. A receiving edge 21 that comes into contact with the outer lower surface of 18 is formed upward in an annular shape. Further, an annular shape 23 having a threaded portion 22 that is screwed into the threaded portion 11 formed at the lower end of the support rod 5 is embedded and fixed in the inner periphery of the holding member 19, and further, the inner periphery of the upper surface of the engaging edge 19 is fixed. A fitting cylindrical portion 24 having a slightly larger inner diameter is integrally formed, and a cover 15 is attached to the outer periphery of the lower edge of the support rod 5.
The fitting cylindrical portion 24 is inserted from the through hole 17 of the cover 15 toward the tip side of the threaded portion 11 of the support rod 5. When the retainer 19 is disengaged from the threaded portion 22 of the support rod 5 and the fitting edge 16 of the cover 15 is disengaged from the engagement edge 2 of the instrument body 1, the support rod There is a length for which the fitted state with 5 continues. Also, this suppressor body 19
A knob 25 is formed at the lower part of the handle.

Further, the appliance main body 1 is supported by a pipe or the like hanging down from a part to which it is attached, such as a ceiling.

Next, the operation of this embodiment will be explained.

In order to attach the cover 15 to the instrument body 1, the support rod 5 hanging down to the instrument body 1 is inserted through the upper opening of the cover 15, and the upper fitting edge 16 of the cover 15 is engaged with the engaging edge 2 of the instrument body 1. However, the lower edge of the support rod 5 is made to protrude from the through hole 17 of the cover 15. Then, the fitting cylindrical part 24 of the suppressor 19 is fitted from the lower part of the support rod 5 and inserted through the through hole 17 of the cover 15, and the fitting cylindrical part 24 of the suppressor 19 is fitted into the threaded part 11 of the support rod 5. is used as a guide to screw and tighten the threaded portion 22, and the receiving edge 21 of the receiving portion 20 of the suppressor 19 engages the outer peripheral edge of the through hole 17 of the cover 15 to hold the cover 15 on the instrument body 1.

Also, when replacing the lamp 14, etc., the suppressor 1
Even when the threaded engagement between the support rod 5 and the cover 15 is released and the fitting edge 16 of the cover 15 comes off the engagement edge 2 of the instrument body 1, the fitting cylindrical portion 24 of the presser body 19 is attached to the support rod 5. The fitting cylindrical portion 24 of the suppressor 19 is in contact with the support rod 5, and the cover 1 is in a fitted state due to the inclination of the cover 15.
5 will not come off and fall.

〔Effect of the invention〕

According to the present invention, since the cylindrical fitting part of the suppressor is fitted into the support rod hanging down from the instrument body, it serves as a guide when screwing into the support rod when attaching the cover, and the suppressor can be easily attached to the support rod. The fitting cylindrical shape can be screwed onto the supporting rod, and when the cover is removed when replacing a lamp, etc., the screw engagement between the presser body and the supporting rod is released, and the fitting edge of the cover is removed from the engaging edge. The fitting cylindrical part is in a state of being fitted to the support rod, and the fitting cylindrical part is in contact with the support rod, which can prevent the cover from falling due to inclination, and there is no risk of the cover falling, increasing safety. .

[Brief explanation of the drawing]

The figure is a partially cutaway front view of a lighting fixture showing an embodiment of the present invention. 1... Instrument main body, 2... Engagement edge, 5... Support rod,
11...Threaded part of support rod 5, 14...Lamp, 15
...Cover, 16...Mating edge, 17...Cover 1
5 through hole, 19... suppressing body, 20... receiving part, 22
...Threaded portion of the holding body 19.

Claims (1)

[Scope of Claims] 1. An instrument body having an opening with an engaging edge hanging from its lower surface, and a supporting rod having a threaded portion on at least the lower peripheral surface thereof hanging downward from the opening; a mounted lamp; a cover having a fitting edge on the upper surface that engages with the engaging edge and having a through hole on the lower surface for passing the supporting rod to cover the lamp; and a threaded portion of the supporting rod. It consists of a retaining body that has an engaged threaded part formed on its inner periphery and fixes the cover, and the restraining body includes a receiving part that holds the outer periphery of the through hole of the cover, and a distal end from the threaded part. The fitting edge of the cover engages with the support rod by inserting it through the through hole of the cover on the side, and the engagement between the threaded portion of the suppressor and the threaded portion of the support rod is released, and the fitting edge of the cover is inserted into the instrument body. 1. A lighting fixture, characterized in that a fitting cylindrical part is formed protrudingly and has a length such that the fitting state with the support rod continues when the fitting cylindrical part is disengaged from the engagement edge of the support rod.