JP2001307534A - Lighting tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting system which enables to discriminate the mount ing structure of a shade at a glance by reducing a gap between a ceiling and a tool body. SOLUTION: In this lighting tool, the shade is supported by a stud 3 mounted to the tool body 1. The stud 3 is provided at one end of the axis 10 penetrating the tool body 1. A lever 4 extending from another end of the axis 10 to the periphery of the tool body 1 is united in a body with the stud 3 which is made capable of adapting the shade 2 by the shoulder being detachable by rotating the lever 4 around the axis 10. With this, lever 4 is able to be operated by holding an outer portion of the periphery of the tool body 1 so that the there is no need to insert fingers into the gap between the ceiling and the tool body 1, and since only a size to insert the thickness of the lever 4 is needed therin, the gap can be made very thin. Moreover, the lever 4 is placed visible in outer view so that it may be confirmed at a glance that the shade 2 is held by the stud 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture.

[0002]

2. Description of the Related Art FIG. 8A is a front view of a conventional lighting fixture.
(B) is a bottom view of the state where the shade has been removed, and FIG. 9 is an explanatory view showing a conventional shade mounting structure for lighting equipment.

As shown in FIGS. 8 and 9, in a lighting fixture installed on a ceiling or the like, a shade 52 is held by a stopper 51 attached to a fixture main body 50. The stoppers 51 are provided at two positions opposite to the instrument body 50,
Slide in the radial direction. In this case, as shown in FIG. 9, the stopper 5 that slides along the inner surface of the instrument body 50.
An operation section 52 is provided on one substrate section 51a so as to protrude upward from the instrument body 50. The stopper 51 is slid outward with the operation unit 52, so that the shoulder of the shade 52 is held between the peripheral part of the instrument body 50 and the stopper 51.

[0004]

However, in the above-mentioned conventional luminaire, since the operation part 52 is in a state of protruding from the upper surface of the luminaire main body 50, only a finger enters between the ceiling surface 55 and the luminaire main body 50. Space is required and the ceiling surface 55
There is a problem that the gap between the tool body 50 and the tool body 50 becomes large.

Further, since the operation unit 50 is difficult to see, the shade 5
At a glance, the mounting structure of No. 2 could not be distinguished. Therefore, it is difficult to confirm that the shade 52 is held by the stopper 51, and the workability when attaching and detaching the shade 52 has been reduced.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a lighting device in which a gap between a ceiling surface and a device main body is reduced so that a mounting structure of a shade can be distinguished at a glance.

[0007]

According to a first aspect of the present invention, there is provided a luminaire in which a shade is held by a stopper attached to the luminaire body, wherein the shade is provided. Is provided at one end of a shaft penetrating the instrument main body, and a lever extending from the other end of the shaft toward the peripheral edge of the instrument main body is fixed integrally with the stopper, and rotates the lever around the axis. Thus, the stopper can detachably hold the inner surface of the shoulder of the shade.

As described above, the stopper is provided at one end of the shaft penetrating the instrument body, and the lever extending from the other end of the shaft toward the peripheral edge of the instrument body is fixed integrally with the stopper. Can be operated by holding a portion outside the peripheral edge of the instrument body. For this reason, it is not necessary to put a finger in the gap between the ceiling surface and the apparatus main body, and it is sufficient if the lever has a dimension enough to enter the thickness of the lever, so that the gap can be made as small as possible.
Further, the lever is at a position where it can be seen from the outside, and the stopper holds the inner surface of the shoulder of the shade by rotating the lever around the axis, so that it can be confirmed at a glance that the shade is held by the stopper.

According to a second aspect of the present invention, in the lighting apparatus according to the first aspect, the tip of the lever comes into contact with the peripheral portion of the fixture body when the stopper is in the state of holding the shade, and the tip of the lever is in contact with the periphery of the fixture when the shade is removed. The angle between the stopper and the lever is set so as to protrude from the periphery of the main body. In this manner, the stopper is in contact with the peripheral edge of the instrument body when the stopper is in the holding state of the shade, and the distal end of the lever projects from the peripheral edge of the instrument body when the stopper is in the detached state of the shade. Since the angle of the lever is set, usually, the lever can be prevented from being accidentally pushed and rotated by being arranged on the instrument body side, and the shade can be reliably held. In addition, when the shade is removed, the lever is rotated outward from the peripheral edge of the instrument main body, so that the operability is good, and since the lever is in a protruding state, the state of the stopper can be more easily determined.

According to a third aspect of the present invention, in the lighting apparatus according to the first or second aspect, a stopper is screwed to a shaft integrated with the lever. As described above, since the stopper is screwed to the shaft integrated with the lever, the lever and the stopper can be easily removed from the instrument body by screwing. In the second aspect, the angle between the stopper and the lever can be adjusted.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A lighting apparatus according to an embodiment of the present invention will be described with reference to FIGS. 1A is a front view of a lighting fixture according to an embodiment of the present invention, FIG. 1B is a bottom view of the lighting fixture with its shade removed, and FIG. 2 is a cross-sectional view illustrating a shade mounting structure of the lighting fixture of this embodiment. FIG. 3 and FIG. 3 are explanatory views of attachment of a shade of the lighting fixture of this embodiment.

In FIG. 1, 1 is an instrument body, 2 is a shade, 3 is a stopper, 4 is a lever, 5 is a socket, 6 is a lamp supporting spring, 7 is a ballast, and 8 is a lamp. The appliance body 1 is installed close to the ceiling surface, and the shade 2 is held by a stopper 3 attached near the peripheral edge 1a. In this case, the stoppers 3 are disposed at substantially three concentric circles at equal intervals. As shown in FIG. 2, each stopper 3 is provided at one end of a shaft 10 that penetrates the appliance body 1, and a lever 4 that extends from the other end of the shaft 10 toward a hanging peripheral portion 1 a of the appliance body 1 is a stopper. 3 and is fixed integrally. Then, by rotating the lever 4 about the shaft 10, the stopper 3 can detachably hold the inner surface of the shoulder of the shade 2.

The lever 4 and the shaft 10 are integrally formed, and an operating portion 4a is provided at the tip of the lever 4 so as to be bent so as to contact the peripheral portion 1a of the instrument body 1. A protrusion 15 is provided around the shaft 10 of the lever 4, and by contacting the peripheral edge of the hole 16 of the instrument body 1 through which the shaft 10 penetrates, the contact area is reduced and the rotation of the lever 4 is facilitated. ing. When the stopper 3 is in the holding state of the shade 2 and the operation unit 4a is the instrument body 1
The angle between the stopper 3 and the lever 4 is set so that the operating portion 4a projects from the peripheral portion 1a of the instrument body 1 when the stopper 3 is in the detached state of the shade 2 and the stopper 3 is in the detached state.

The stopper 3 has a hole 3a into which the shaft 10 is inserted, and is fixed to a lower end of the shaft 10 by a screw 11.
With this screw 11, the angle between the stopper 3 and the lever 4 can be adjusted. In the holding state of the shade 2, the tip of the stopper 3 faces the lower end bent outward of the peripheral edge 1 a of the instrument main body 1, and can clamp the shoulder of the shade 2.

The lamp 8 is a round tube lamp, and is attached by a socket 5 and a lamp supporting spring 6. FIG. 4 is an explanatory view of mounting a lamp on a lamp support spring, and FIG.
(A) is a front view of the lamp supporting spring, (b) is a side view thereof, (c) is a rear view thereof, FIG. 6 (a) is an explanatory view of mounting the lamp supporting spring, and (b) is a mounting of the lamp supporting spring. It is the schematic which shows the shape of the apparatus main body side. As shown in FIG.
The lamp 8 is mounted by pushing it up from below and pushing it into the lamp support spring 6. The lamp support spring 6 is formed of a material such as polypropylene, and has a substantially U-shaped support portion 6a for supporting the lamp 8 as shown in FIGS.
It has a mounting plate 6b that is in contact with the inner surface of the appliance body 1 and a leg 6c that is attached to an elongated hole 12 provided in the appliance body 1. The long hole 12 is long in the radial direction of the instrument body 1, and the leg 6c is
2 and can be rotated by 90 degrees to be locked to the opening edge of the elongated hole 12. Also, the lamp support spring 6
In the attached state, a half moon dowel 13 for preventing rotation is provided on the instrument body 1. At the time of mounting, the leg 6c of the lamp support spring 6
Is inserted into the elongated hole 12 and is rotated and fixed as described above. After the fixing, the lamp support spring 6 is movable within the range of the elongated hole 12, and it is possible to cope with a variation in the outer diameter of the lamp 8. Accordingly, no stress is applied to the lamp support spring 6.

Next, attachment and detachment of the shade will be described. FIG.
As shown in (1), usually, the lever 4 is disposed on the instrument body 1 side, and the stopper 3 is located on the shoulder of the shade 2 and holds it. At this time, since the operating portion 4a of the lever 4 is disposed in contact with the peripheral portion 1a of the instrument body 1, it can be prevented from being accidentally pushed and rotated, and the shade 2 can be reliably held. When the shade 2 is removed, the stopper 3 is moved from the position of the shoulder of the shade 2 toward the instrument body 1 by rotating the lever 4. At this time, since the lever 4 is rotated outward from the peripheral edge 1a of the instrument body 1, the operability is good, and since the lever 4 is in a protruding state, the state of the stopper 3 can be more easily determined.

As described above, according to this embodiment, the stopper 3 is provided at one end of the shaft 10 penetrating the instrument body 1 and extends from the other end of the shaft 10 toward the peripheral edge 1a of the instrument body 1. Since the lever 4 is integrally fixed to the stopper 3, the lever 4 can be operated by holding a portion outside the peripheral edge 1 a of the instrument body 1. For this reason, it is not necessary to put a finger in the gap between the ceiling surface and the apparatus main body 1, and it is sufficient that the dimension is large enough to accommodate the thickness of the lever 4, so that the gap can be made as small as possible. Also, the lever 4 is located at a position that can be seen from the outside,
By rotating the lever 4 about the axis 10, the stopper 3 holds the shoulder inner surface of the shade 2.
Can be confirmed to be held by the stopper 3.

Although the shaft 10 is provided on the lever 4 side in FIG. 2, the invention is not limited to this. For example, a shaft may be provided on the stopper 3 side, and a hole into which the shaft is inserted may be provided on the lever 4 side.
Further, the hole for inserting the shaft may not be provided, and the shaft may be fixed by fixing means other than screws. Further, the stopper 3 and the lever 4 are provided at three places, but may be provided at two places, or at four or more places.

FIG. 7A is a front view of a lighting fixture according to another embodiment of the present invention with a shade removed, and FIG. 7B is a bottom view of the same. As shown in FIG. 7, the stopper 3 and the lever 4 are provided at two positions opposite to the instrument body 1. In addition, the lamp support spring 6 is set so as to face the socket 5.
Only one is provided. In this embodiment, when the lamp is mounted,
The load can also be reduced by pulling the lamp 8 to the socket 5 side. Other configurations are the same as those of the above embodiment.

[0020]

According to the lighting device of the first aspect of the present invention, the stopper is provided at one end of the shaft penetrating the device main body, and the lever extending from the other end of the shaft toward the peripheral edge of the device main body is provided. Since the lever is fixed integrally with the stopper, the lever can be operated by holding a portion outside the peripheral edge of the instrument body. For this reason, it is not necessary to put a finger in the gap between the ceiling surface and the apparatus main body, and it is sufficient if the lever has a dimension enough to enter the thickness of the lever, so that the gap can be made as small as possible. Further, the lever is at a position where it can be seen from the outside, and the stopper holds the inner surface of the shoulder of the shade by rotating the lever around the axis, so that it can be confirmed at a glance that the shade is held by the stopper.

According to the second aspect of the present invention, when the stopper is in the state of holding the shade, the stopper is in the state of holding the shade, the tip of the lever contacts the peripheral portion of the instrument body, and when the stopper is in the detached state of the shade, the tip of the lever is in contact with the instrument body. Since the angle between the stopper and the lever is set so that it protrudes from the peripheral edge of the lever, the lever is usually located on the instrument body side, so that it can be prevented from being accidentally pushed and rotated, and the shade is surely Can be held. In addition, when the shade is removed, the lever is rotated outward from the peripheral edge of the instrument main body, so that the operability is good, and since the lever is in a protruding state, the state of the stopper can be more easily determined.

According to the third aspect, since the stopper is screwed to the shaft integrated with the lever, the lever and the stopper can be easily removed from the instrument body by screwing. In the second aspect, the angle between the stopper and the lever can be adjusted.

[Brief description of the drawings]

FIG. 1A is a front view of a lighting fixture according to an embodiment of the present invention, and FIG. 1B is a bottom view of the lighting fixture with its shade removed.

FIG. 2 is a sectional view showing a shade mounting structure of the lighting fixture of the embodiment.

FIG. 3 is an explanatory view for attaching a shade of the lighting fixture of the embodiment.

FIG. 4 is an explanatory view for attaching a lamp to a lamp support spring.

5A is a front view of a lamp supporting spring, FIG. 5B is a side view thereof, and FIG. 5C is a rear view thereof.

FIG. 6A is an explanatory view of mounting a lamp support spring, and FIG.
FIG. 4 is a schematic view showing a shape of a device main body side on which a lamp support spring is mounted.

FIG. 7A is a front view of a lighting fixture according to another embodiment of the present invention with a shade removed, and FIG. 7B is a bottom view of the lighting fixture.

8A is a front view of a conventional lighting fixture, and FIG. 8B is a bottom view of the lighting fixture with its shade removed.

FIG. 9 is an explanatory view showing a conventional shade mounting structure for a lighting fixture.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Instrument main body 2 Seed 3 Stopper 4 Lever 5 Socket 6 Lamp support spring 8 Lamp 10 Axis 11 Screw

Claims (3)

[Claims] 1. A lighting fixture in which a shade is held by a fixture attached to a fixture main body, wherein the fixture is provided at one end of a shaft penetrating the fixture main body, and the fixture main body is connected to the other end of the shaft. A lever extending toward the peripheral portion of the shade is integrally fixed with the stopper, and by rotating the lever about the axis, the stopper can detachably hold the inner surface of the shoulder of the shade. Lighting equipment featuring. 2. A stopper so that the tip of the lever contacts the peripheral portion of the instrument body when the stopper is in the state of holding the shade, and the tip of the lever projects from the peripheral edge of the instrument body when the stopper is in the detached state of the shade. 2. The angle between the lever and the lever is set.
The lighting fixture as described. 3. The lighting device according to claim 1, wherein the stopper is screwed to a shaft integrated with the lever.