JPS5939366Y2 - lighting equipment - Google Patents

Description

[Detailed Description of the Invention] Technical Field of the Invention The present invention relates to a lighting device, and more particularly to a structure for holding a globe body.

Technical background of the invention and its problems As shown in FIG. 1, this kind of conventional lighting equipment has a lighting equipment main body 1 engaged with an upper opening edge 3 of a globe body 2, and a lighting equipment main body connected to this globe body 2. The nut 8 is screwed through the washer 7 into the screw portion 6 at the lower end of the support rod 4 which also extends from the lower opening 5 of the globe body 2 through the vertically installed support rod 4. A structure was adopted in which the glove body 2 was held between a nut 8 and a washer 1, and the decorative body 9 was further tightened with a set screw 10 screwed into the threaded portion 6 of the support rod 4.

In this conventional structure, the diameter of the opening 5 on the lower surface of the glove body 2 needs to be smaller than the diameter of the washer 1, and the eccentric opening 5 on the lower surface of the glove body 2 must be made in post-processing using a drill or the like. In addition, the yield of the glove body 2 is low due to the fact that the opening position of the glove body 2 is shifted, which is disadvantageous in terms of manufacturing.

Also, tighten the washer 7 with the nut 8 on the opening edge of the glove body 2, and attach the decorative body 9 to the glove body 2 with the set screw 10.
Since the mounting screw 10 is tightened, it is not only difficult to operate, but also has drawbacks such as the decorative body 9 coming into contact with the cuff lobe body 2, and the tightening of the set screw 10 may damage the lower opening edge of the glove body 2. There is.

In addition, Utility Model Publication No. 48-45280 and Utility Model Application Publication No. 52
As described in Japanese Patent No. 102188, a structure is known in which the set screw is screwed into direct contact with the cover or the glove body, but in this structure, the set screw is sometimes tightened by the cover (* indicates the glove body). When tightened, an overcurrent is applied and there is a risk of damaging the cover or the glove body as shown in FIG.

Furthermore, as described in Japanese Utility Model Application Publication No. 52-100389, a structure in which the glove body is attached using a plate-shaped stop is also not known, but in this structure, the stop is attached to the opening edge of the glove body. Since the structure is joined to the periphery but not to the opening edge, an overload is applied to the periphery of the stop, which may cause damage to the glove body, similar to the structure shown in FIG. 1.

Purpose of the invention The present invention has been made in consideration of the above-mentioned circumstances, and the object is to provide a lighting equipment in which the globe body can be easily installed and damage caused by excessive tightening of the set screw during installation is prevented. purpose.

Summary of the invention In this invention, a protruding edge is provided on the lower opening edge of the glove body, and a stopper is secured to this protrusion to prevent the opening edge of the glove body from being damaged. , a glove body with openings on the upper and lower surfaces respectively, the upper opening of the instrument body being connected to the upper opening of the instrument body, and an annular projecting edge projecting downward on the lower opening edge of the instrument body; A support rod having a threaded portion protruding downward from an opening on the lower surface of the body, and a screw hole that is plate-shaped and penetrates through the plate surface and is screwed into the threaded portion of the support rod, and is connected to the edge of the opening on the lower surface of the glove body. A stop whose joint surface has an outer diameter that is at least equal to or longer than the outside diameter of the flange, and which is engaged with the lower edge of the flange to support the glove body; A stop that is screwed into the threaded portion of the support rod, and includes a decorative body portion that is covered and formed so that its inner surface abuts against the stopper and prevents it from rising, and a set screw that is screwed into the threaded portion of the support rod. The protruding edge of the glove body is joined and supported, and the decorative body part that covers the stop is attached to the threaded part of the support rod.

Embodiment of the Invention Next, an embodiment of the invention will be described with reference to FIGS. 2 to 5.

Reference numeral 11 denotes the main body of the lighting equipment, which is fixed to the ceiling of a building or the like.

A fitting part 12 is formed on the peripheral edge of this instrument main body 110,
Further, the upper end of a support rod 13 is fixed to the center portion, and a threaded portion 14 is formed at the lower end of the support rod 13 that hangs down from the instrument body 11.

Reference numeral 15 denotes a globe body made of glass or the like, and the globe body 15 has a stepped portion 16 with a reduced diameter at its upper end.
A top opening 11 is formed.

Further, this glove body 15 has an opening edge 19 of the lower opening 18.
An annular projecting edge 20 is formed to protrude downward.

As shown in FIG. 5, this glove body 15 has an upper surface opening 1T formed by cutting the closed part 21 of the upper reduced diameter part, and also forms an annular projecting edge 20 by cutting the protrusion 22 protruding from the lower end. At the same time, a lower opening 18 is formed.

Reference numeral 23 denotes a stop that is joined to the opening edge 19 of the glove body 15 to support the glove body 15. This stop 23 is plate-shaped, passes through, for example, the center of the plate surface, and is screwed into the threaded portion 14 of the support rod 13. It has a screw hole 24 through which it can be inserted.

The joint surface of this stop 23 that joins to the flange 20 of the glove body 15 is a long diameter portion 23a that is longer than the outer diameter of this flange 20.
It is formed of a metal piece into a substantially rectangular shape having a short diameter portion 23b shorter than the outer diameter of the protrusion 20.

2T is a set screw, which is a decorative screw having a screw hole 28 screwed into the lower end of the threaded portion 14 of the support rod 13, and includes a decorative body portion 25.

This decorative body part 25 has an insertion hole 26 for the support rod 13 formed in the center thereof, is large enough to cover the stopper 23, and is formed so that the inner surface abuts against the stopper 23 and is prevented from rising. There is.

Next, the operation of this embodiment will be explained.

First, as shown in FIG.
Then, as shown in FIG. As shown in FIG.
As shown in Figure d, screw the stopper 23 into the glove body 1.
The step part 16 at the upper end of the glove body 15 is fitted into the fitting part 12 of the instrument body 11, and the lower end of the protrusion 20 of the glove body 15 is fitted into the stopper 23.
Tightening is locked at .

At this time, the threaded portion 14 of the support rod 13 can be visually recognized, and excessive tightening can be easily prevented.

Next, as shown in FIG. 4e, the threaded part 14 of the support rod 13 is inserted into the insertion hole 26 of the decorative body part 25, the stopper 23 is covered with the decorative body part 25, and the set screw 27 is screwed in to complete the decoration. body part 2
Hold 5.

At this time, the inner surface of the decorative body part 25 is formed so as to abut against the stopper 23 and to prevent it from rising, so as the set screw 2γ is screwed in, the stopper 23 acts as a stopper, Excessive tightening of the set screw 27 is prevented, and damage to the glove body 15 can be effectively prevented.

In the above embodiment, an assembly method was described in which the glove body 15 is attached after screwing the stopper 23 into the support rod 13. However, after the glove body 15 is inserted into the support rod 13, You can also screw it in and make it click.

Further, as shown in FIGS. 6 and 7, fitting step portions 31 are formed at both ends of the long diameter portion 30a of the stopper 30, and the step portions 31 are fitted to the protrusion 20 of the glove body 15, It is also possible to prevent the stopper 30 from coming off the protruding edge 20 of the glove body 15.

Further, in the above embodiment, the stopper 23 is formed into a substantially rectangular shape, but as shown in FIG. 8, a disk-shaped stopper 32 may also be used. Furthermore, as shown in FIG. 10, a square-shaped stopper 34 can be used, or a triangular-shaped stopper can be used to engage the protrusion 20 of the glove body 15 as appropriate. Any shape is acceptable as long as it can be stopped.

Further, the stopper is at least connected to the protrusion 20 of the glove body 15.
Is the surface to be joined to the outer diameter of the flange 20 equal to the outer diameter of the flange 20?
It is sufficient if the length is longer than the outer diameter of the outer diameter.

Note that the stop 20 has a long diameter portion 23 that is equal to or longer than the outer diameter of the flange 20 of the glove body 15.
By forming the short diameter portion 23b with the shorter dimension a, it can be inserted into the lower opening 18 of the glove body 15, and can also be used as a temporary fastener for the glove body 15.

Further, by using this stopper 23, a part of the inner diameter of the flange 20 is opened by removing the decorative body, and insects and dust that have entered the glove body 15 can be removed without removing the glove body 15. The glove body 15 can be removed while the stopper 23 is attached to the support rod 13, and there is no risk of losing the stopper 23.

Effects of the invention According to the invention, an annular projecting edge is formed on the lower opening edge of the glove body, and a screw hole of the supporting rod that projects downward from the lower opening passing through the glove body is formed on this projecting edge. Since it is supported by a screwed-in stop, the glove body is supported by the stop at the flange, and the glove body can be easily attached by screwing the stop.

Further, when tightening the stopper, the threaded portion of the support rod can be visually recognized, and this can be done without applying unreasonable force to the opening edge of the glove body.

Furthermore, when the set screw is screwed in, the decorative body portion comes into contact with the stop and is prevented from rising, so that damage to the glove body due to tightening of the set screw can be effectively prevented.

[Brief explanation of drawings]

FIG. 1 is a cross-sectional view of a conventional lighting device, FIG. 2 is a cross-sectional view of a lighting device showing an embodiment of the present invention, and FIG. 3 is a perspective view of the lower end of the globe body and the stop. Figure 4 a, b, c,
d and e are explanatory diagrams showing the assembly method, FIG. 5 is a front view of the glove body showing the method of molding the glove body, and FIG. 6 is a sectional view of the protrusion and stopper of the glove body showing another embodiment. , FIG. 7 is a perspective view of the same stopper as above, and FIGS. 8 to 10 are perspective views of the stopper showing other embodiments. 11... Instrument body, 13... Support rod, 1
4... Threaded part of support rod, 15... Globe body, 1T... Top opening of globe body, 18...
... Lower opening of the glove body, 19... Opening edge of the glove body, 20... Projecting edge of the glove body, 23, 30, 32, 33, 34... ...stop, 2
5... Decorative body part, 26... Insertion of decorative body part, 2T... Set screw.

Claims (2)

[Scope of utility model registration request] (1) An instrument body, a glove body having openings on the upper and lower surfaces thereof, the instrument body having an upper opening and an annular protruding edge projecting downward from the lower opening edge; A support rod having a threaded portion that hangs down, passes through the glove body, and projects downward from a lower opening of the glove body; and a screw hole that is plate-shaped and penetrates through the plate surface and is screwed into the threaded portion of the support rod. and is joined to the lower opening edge of the globe body, and has at least a joint surface having an outer diameter equal to or longer than the outer diameter of the projecting edge, and is locked to the lower end edge of the projecting edge. A stop that is screwed into the threaded part of the support rod, and includes a stop that supports the glove body, and a decorative body that covers the stop and is formed so that its inner surface abuts the stop and prevents it from rising. A lighting fixture characterized by comprising a screw and. (2) Registration of a utility model characterized in that the stop has a major diameter portion longer than the outer diameter of the lower opening edge of the glove body and a minor diameter portion shorter than the outer diameter dimension of the lower opening edge of the glove body, and is formed so as to be inserted through the lower opening of the glove body. A lighting fixture according to claim 1.