JPH10208533A - Lighting equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily align a cover with an equipment main body, and eliminate a gap between the ceiling and the cover. SOLUTION: In the lighting equipment equipped with a ceiling mounting type equipment main body 1, and with a cover 2 capable of being mounted from a place down below, the equipment main body 1 is provided with a widening part 5b the width of which is widened as it goes to the tip end side from the side of a base part 5a at its one end side, and concurrently, paired cover mounting springs 5 formed together with a continuous connection part 5d the width of which is narrowed as it goes to its tip end side from the widening part 5b, is mounted to the base part 5a side while being energized in such a way as to be mutually parted outward. And locking pawl parts 4 are provided, which hold the base part 5a side from both sides where the aforesaid base part is located above the maximum widened part 5c of the widening part Sb for the cover mounting spring 5, and concurrently an insertion guide part 8 guiding the cover mounting spring 5 to the locking pawl parts 4, is provided for a place above the locking pawl parts 4 in the inner side surface of the cover 2 in such a way as to be more widened than the width of the locking pawl parts 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a lighting fixture.

[0002]

2. Description of the Related Art FIG. 6 shows a conventional lighting apparatus (first conventional example). This lighting apparatus is a ceiling-mounted lighting apparatus, and includes an apparatus main body 1 mounted on a ceiling, and an apparatus. And a cover 2 that substantially covers the main body 1 from below.

[0003] The appliance body 1 is substantially disc-shaped and has a stepped shape in the vicinity of the outer peripheral end thereof, and a pair of notches 1a are provided at opposing positions across the center of the peripheral end. Have been. Further, a locking spring 1b is provided at one end in the circumferential direction at a peripheral end of the upper surface of the instrument body 1 and at a position different from the notch 1a.

The cover 2 has a substantially cylindrical shape with a bottom opening to the upper surface, and is locked by two locking springs 1b of the instrument body 1 at two opposing positions near the peripheral end of the opening 2a. A pair of locking pieces 2 b are provided to project toward the inside of the opening 2 a of the cover 2. Then, the cover 2 is pushed up from below so as to insert the pair of locking pieces 2b into the notches 1a with the opening 2a side facing the appliance body 1, and then rotated in a plane parallel to the ceiling. And the locking piece 2 is attached to the locking spring 1b.
By locking b, the device main body 1 is attached so as to cover it.

FIG. 7 shows another conventional lighting fixture (second conventional example).
No. 0143, wherein the device body 1
And a cover 2 and a frame 3.

The instrument body 1 has a substantially cylindrical shape with an opening on the lower surface, an outer flange 1c is provided outward from the peripheral edge of the opening, and the embedding hole is provided in an embedding hole provided on the ceiling. The outer flange 1c is embedded and attached to the peripheral end of the hole so as to abut from below. Locking claw portions 4 are provided on the inner surface of the instrument body 1 at a predetermined distance above the peripheral edge of the opening of the instrument body 1 and at opposing positions.

[0007] The frame 3 is formed in a substantially cylindrical shape so as to be substantially fitted into the opening of the instrument body 1, and a cover mounting spring 5 formed by bending a wire spring into a substantially rhombus is provided on an outer surface thereof.
The wire spring is attached so as to be substantially rotatable at base portions 5a at both ends. The cover mounting spring 5 includes an expanding portion 5b that is wider from the base 5a toward the distal end, and has a maximum opening 5c that is wider than the width of the locking claw 4 of the instrument body 1.
Further, a connecting portion 5d which becomes narrower toward the tip is provided.

[0008] The cover 2 is an outer flange 1 of the instrument body 1 in plan view.
It has a substantially circular shape larger than c, and is provided with a cylindrical rising portion 2c on the upper surface and near the peripheral end. The frame 3 is attached so as to cover the outer surface of the rising portion 2c.

In the lighting device thus configured, the cover mounting spring 5 is inserted through the locking claw portion 4 and the expanded portion 5b of the cover mounting spring 5 is locked by the locking claw portion 4, so that the cover is covered. 2 is attached to the instrument body 1 via the frame 3. After the cover 2 is attached to the instrument body 1, the cover 2 is attracted to the instrument body 1 by the spring force of the lower portion of the cover attaching spring 5 to expand laterally from the expanded portion 5b. ing.

[0010]

However, in the lighting apparatus shown in the first conventional example as described above, when the cover 2 is mounted on the apparatus main body 1, the cover 2 is rotated in a plane parallel to the ceiling. To be attached to the instrument body 1,
There is a gap between the cover 2 and the ceiling in order to rotate the cover 2, and there is a problem that the appearance as a lighting fixture is not good.

[0011] Further, in the lighting fixture shown in the second conventional example,
The locking claw portion 4 is provided at a predetermined distance from the peripheral edge of the opening of the instrument body 1, and the tip of the cover mounting spring 5 is locked at a predetermined distance from the peripheral edge of the opening of the instrument body 1. Claw part 4
It is necessary to insert the cover mounting spring 5 into the locking claw portion 4 in such a manner that the cover 2 is inserted between the claws, so that it is difficult to align the cover 2 with the instrument body 1.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to facilitate alignment of a cover with an instrument body and eliminate a gap between a ceiling and a cover. A lighting fixture is provided.

[0013]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, there is provided an apparatus main body attached to a ceiling, and an apparatus main body covered below the apparatus main body. A luminaire having a cover attached to the luminaire, and a pair of cover mounting springs, wherein the luminaire main body is provided with an expanding portion made of a wire spring and widening from a base portion on one end side to a tip end side. Is attached to the base side so that it can be tilted only from the vertical direction to the outside of the instrument body, at a position corresponding to the cover mounting spring on the inner surface of the cover, from the maximum opening of the expanding portion of the cover mounting spring. A locking claw portion for holding the base side from both sides to hold the cover mounting spring, which is inserted from above on the inner surface of the cover and above the locking claw portion. Guide to claw Characterized in that a that the insertion guide portion.

According to the second aspect of the present invention, the first aspect is provided.
The lighting device according to claim 1, wherein the cover mounting spring is urged such that tips thereof are separated outward from each other.

According to the third aspect of the present invention, there is provided a second aspect.
In the lighting device according to the above aspect, the cover mounting spring may be provided with a connecting portion that is narrower from the expanding portion toward the distal end than the expanding portion.

According to a fourth aspect of the present invention, in the lighting apparatus according to the second or third aspect, the width of the insertion guide portion is wider than the width of the locking claw portion. It is characterized by.

According to a fifth aspect of the present invention, in the luminaire of the second or third aspect, the width of the insertion guide portion is smaller than the width of the locking claw portion. It is characterized by.

[0018]

1 to 4 show a first embodiment of a lighting fixture according to the present invention.
An emergency lighting device to be mounted on a ceiling, which includes a device main body 1, a cover 2, and a lamp body 6.

The instrument main body 1 lowers the peripheral end of the disc,
An outer flange 1c is provided at the tip, and a plurality of locations are fixed to the ceiling with screws 1d. In addition, outer collar 1c
At two places sandwiching the center of the instrument body 1, two tunnel-like cut-and-raised pieces 1e are provided, each having an axial direction substantially perpendicular to a direction connecting the two places,
A pair of cover attachment springs 5 are attached to the two places. This cut-and-raised piece 1e is composed of two cut-and-raised pieces 1
The opposite end of e is cut off diagonally, and the width of the cut-and-raised piece 1e in plan view has a tapered portion 1f in which the outside of the instrument body 1 is narrowed.

The cut-and-raised piece 1e is provided with a cover mounting spring 5 formed in a substantially rhombic shape by a wire spring from the tapered portion 1f side, and the cover-mounted spring 5 is mounted on the cut and raised piece 1e. At the base 5a on one end side, it is configured to be substantially rotatable about the axis of the cut-and-raised piece 1e. In other words, the pair of cover mounting springs 5 includes an expanding portion 5b which is wider from the base 5a, which is both ends of the wire spring, toward the distal end, and extends from the maximum opening 5c of the expanding portion 5b toward the distal end. It is formed so as to have the connecting portion 5d which becomes narrower. And
The pair of cover mounting springs 5 are urged by the tapered portion 1f so that the tips are directed outward of the instrument body 1.
The connecting portions 5d are separated from each other outward.
In addition, the storage battery 7 etc. are attached to the appliance main body 1 in case of a power failure.

The cover 2 has a substantially cylindrical shape with a bottom. The cover 2 is located at two positions below the inner peripheral surface of the cover by a predetermined distance and opposed to each other with the center axis of the cover 2 therebetween. A pair of locking claw portions 4 each including two claw pieces 4a protruding inward and facing each other are provided. An insertion guide 8 projecting inward from the inner surface and opening vertically extends above the locking claw 4 and near the upper end of the inner surface of the cover 2. They are provided so that the center lines coincide. The width of the insertion guide portion 8 is equal to the width of the locking claw portion 4.
The width of the locking claw portion 4 is wider than the width between the two claw pieces 4a.
The enlarged portion 5 of the cover attaching spring 5 is provided between the two claw pieces 4a.
The width is at least narrower than the width obtained by adding the width of the maximum opening portion 5c of b. In addition, the cover body 2 is connected to the instrument body 1 at the upper end of the outer surface at the position where the insertion guide portion 8 is provided so that the positions of the locking claw portion 4 and the insertion guide portion 8 can be easily found from outside the cover 2. Is provided with a pair of marks 2d by, for example, a seal or the like.

A hole 2f is provided substantially at the center of the bottom surface 2e of the cover 2, and a lamp body 6 accommodating a lamp 6b is attached to a lower end of a pipe 6a passed through the hole 2f. . The lamp body 6 is provided with a connector 7 derived from the storage battery 7 of the appliance body 1 at the upper end of the pipe 6a.
a, and the lamp 6b is turned on by the commercial power supply or the storage battery 7 through the emergency light block 9 connected to the storage battery 7.

In the lighting fixture thus constructed, when the cover 2 is attached to the fixture main body 1, first,
The connecting portion 5d of the pair of cover mounting springs 5 is directed downward, and the circumferential position of the cover 2 is adjusted so that the connecting portion 5d and the mark 2d of the cover 2 are aligned. To be inserted. At this time, the distal end of the connecting portion 5d, which is the distal end of the cover mounting spring 5, is substantially inserted into the insertion guide portion 8. Next, when the cover 2 is pushed up to the instrument main body 1, the connecting portion 5d of the cover mounting spring 5
The connecting portion 5 d slides on the inner surface of the cover 2 and is inserted into the insertion guide portion 8. The cover mounting spring 5 is guided by the insertion claw 4 by the insertion guide portion 8 and is inserted through the locking claw 4 while being elastically deformed.
The cover 2 is attached to the instrument body 1 with the base 5a side being sandwiched from both sides with respect to the maximum opening 5c of the expanded portion 5b of the cover mounting spring 5 by a.

At this time, the insertion guide portion 8 is
And the center line extending in the vertical direction coincides with the
Since the width of the maximum opening portion 5c of the cover mounting spring 5 is wider in the width direction of the two claw pieces 4a than in the width direction of the two claw pieces 4a, the connecting portion 5d only needs to enter the insertion guide portion 8. The connecting portion 5d is inserted between the two claw pieces 4a of the locking claw portion 4.

As described above, in the lighting fixture according to the present embodiment, the insertion guide 8 is provided near the opening end of the cover 2 and above the locking claw 4, so that the insertion guide near the upper end of the cover 2 is provided. The tip of the cover mounting spring 5 can be easily fitted to the portion 8, and the cover mounting spring 5 can be easily inserted into the locking claw portion 4 by the insertion guide portion 8, so that the positioning of the cover 2 to the instrument body 1 is easy. Becomes Also,
Since the cover mounting spring 5 is provided with a connecting portion 5d which is narrower from the expanding portion 5b toward the distal end than the expanding portion 5b, the distal end of the cover mounting spring 5 is connected to the insertion guide portion. 8 and between the two claw pieces 4a of the locking claw portion 4 can be easily inserted. Further, since the connecting portion 5d of the cover mounting spring 5 is urged so that the ends thereof are separated outward from each other, when the connecting portion 5d is inserted inside the cover 2, the end of the connecting portion 5d is As the inner surface slides, the distal end of the connecting portion 5 d is inclined toward the inside of the cover 2 to make it difficult to insert into the locking claw portion 4 or to be caught on the upper end of the insertion guide portion 8. Instead, the cover mounting spring 5 is more easily inserted into the insertion guide portion 8.

Further, the insertion guide portion 8 is
And the center line extending in the up-down direction coincides with each other, and the width thereof is wider than the width of the two claw pieces 4a of the locking claw portion 4 facing each other. Since the width is at least narrower than the width obtained by adding the width of the widened portion 5c of the expanded portion 5b of the cover mounting spring 5 to the width between the two claw pieces 4a, the connecting portion 5d is inserted into the insertion guide portion 8. Then, the connecting portion 5d can be guided between the two claw pieces 4a of the locking claw portion 4, and the connecting portion 5d can be further easily inserted into the locking claw portion 4. In addition, since the cover 2 is provided with a pair of marks 2d for alignment with the appliance body 1, the alignment between the cover 2 and the appliance body 1 is further facilitated. The locking claw 4
As a result, the maximum opening 5 of the expanded portion 5b of the cover mounting spring 5
c, the base 5a side is sandwiched from both sides, so that the spring elastic force of the cover mounting spring 5 to expand to both sides acts so that the locking claw portion 4 is pulled upward, and the cover 2 can be lifted to the ceiling side, and the cover 2 is attached to the appliance body 1 so that the upper end thereof is in close contact with the ceiling, so that no gap is formed between the ceiling and the cover 2 and the appearance can be improved. .

FIG. 5 shows a lighting apparatus according to a second embodiment of the present invention. The difference from the first embodiment is that the width of the insertion guide section 8 is different from that of the locking claw section 4. The width is smaller than the width, and the width is such that the insertion guide 8 can be inserted by the spring elastic force of the expanding portion 5b when the cover mounting spring 5 is inserted into the insertion guide 8. The other configuration is substantially the same as that of the first embodiment.

With this configuration, in the lighting fixture of the present embodiment, the insertion guide portion 8 is provided to have a width obtained by adding the width of the expanding portion 5b of the cover mounting spring 5 to the width of the locking claw portion 4. Except for the above-described effects, the second embodiment has substantially the same effects as those of the first embodiment, and also has the insertion guide portion 8.
Is provided to be narrower than the width of the locking claw portion 4, so that the cover mounting spring 5 is sandwiched by the insertion guide portion 8 even if the cover mounting spring 5 is disengaged from the locking claw portion 4. Can be prevented in two steps.

[0029]

According to the present invention, the insertion guide portion is provided on the inner surface near the peripheral edge of the opening of the cover and above the locking claw portion. , It is easy to fit the tip of the cover mounting spring to the insertion guide near the top of the cover, and the insertion guide makes it easy to insert the cover mounting spring into the locking claw.
Positioning of the cover on the instrument body is facilitated. Also,
The locking claw allows the base side to be clamped from both sides of the maximum opening of the expanded portion of the cover mounting spring,
The spring elastic force of the cover mounting spring trying to expand to both sides acts so that the locking claw portion is pulled upward, the cover is pulled up to the ceiling side, and the cover is
Since the upper end is attached to the instrument body so as to be in close contact with the ceiling, there is no gap between the ceiling and the cover, and the appearance can be improved.

According to the second aspect of the present invention, the first aspect is provided.
In addition to the effects of the described invention, since the cover mounting spring is urged so that its ends are separated from each other outward, when the cover mounting spring is inserted inside the cover, the end of the cover mounting spring is I started to slide on the inside,
The cover mounting spring is further inserted into the insertion guide part without the tip of the cover mounting spring tilting inside the cover and becoming difficult to insert into the locking claw part, and without being caught on the upper end of the insertion guide part. It will be easier.

In the invention according to claim 3, claim 2
In addition to the effects of the invention described, the cover mounting spring is formed with a connecting portion that is narrower from the expanded portion toward the distal end than the expanded portion, so that the distal end of the cover mounting spring is It can be easily inserted into the insertion guide portion or the locking claw portion.

According to the fourth aspect of the invention, in addition to the effects of the second or third aspect, the width of the insertion guide portion is wider than the width of the locking claw portion, and Since the width is at least smaller than the width of the claw portion plus the width of the maximum opening portion of the expanded portion of the cover mounting spring, the connecting portion is locked as long as the connecting portion enters the insertion guide portion. It can be guided to the claw portion, and the connecting portion can be further easily inserted into the locking claw portion.

According to the fifth aspect of the invention, in addition to the effect of the second or third aspect, the width of the insertion guide portion is smaller than the width of the locking claw portion, and the cover mounting spring is provided. Is provided with a width that allows the insertion guide to be inserted by the spring elastic force of the expanded portion when the cover is inserted into the insertion guide, so that the cover mounting spring is held by the insertion guide even if it comes off from the locking claw. Therefore, it is possible to prevent the cover from falling off from the appliance main body in two steps.

[Brief description of the drawings]

FIGS. 1A and 1B show a lighting apparatus according to a first embodiment of the present invention, wherein FIG. 1A is a perspective view of a main part, and FIG.

FIG. 2 is an exploded perspective view of the same.

3A and 3B are a perspective view and a bottom view, respectively, showing the instrument body and a cover mounting spring of the above.

FIG. 4 is a side view showing attachment of a cover to the instrument main body.

FIG. 5 is a perspective view of a main part showing a lighting fixture according to a second embodiment of the present invention.

6A and 6B show a conventional lighting device (first conventional example), wherein FIG. 6A is an exploded perspective view of a device main body and a cover, and FIG. 6B is a partial cross-sectional view showing a mounting state of the device main body to the cover. It is.

FIGS. 7A and 7B show a conventional lighting device (second conventional example), wherein FIG. 7A is a perspective view showing a state in which a cover is attached to a device main body, and FIG. 7B is a perspective view of the cover.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instrument main body 2 Cover 4 Locking claw part 5 Cover mounting spring 5a Base part 5b Expanding part 5c Maximum opening part 5d Connecting part 8 Insertion guide part

Claims (5)

[Claims] 1. A lighting apparatus comprising: a fixture main body attached to a ceiling; and a cover attached below the fixture main body so as to cover the fixture main body, wherein the fixture main body is made of a wire spring from a base side on one end side. A pair of cover mounting springs each having an expanding portion that becomes wider toward the distal end side are mounted on the base side such that they can be tilted only from the vertical direction to the outside of the instrument body on the base side, At a position corresponding to the cover mounting spring, a locking claw portion for holding and holding the base side from both sides from the maximum opening portion of the expanded portion of the cover mounting spring is provided, and at the inner surface of the cover. A lighting guide provided above the locking claw portion, the insertion guide portion guiding the cover mounting spring inserted from above to the locking claw portion. 2. The luminaire according to claim 1, wherein the cover mounting springs are urged so that their ends are separated outward from each other. 3. The cover mounting spring according to claim 2, wherein the cover mounting spring is provided with a connecting portion which is narrower from the expanding portion toward the distal end than the expanding portion. lighting equipment. 4. The lighting apparatus according to claim 2, wherein the width of the insertion guide portion is wider than the width of the locking claw portion. 5. The lighting apparatus according to claim 2, wherein the width of the insertion guide portion is smaller than the width of the locking claw portion.