JPH09129023A - Recessed luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recessed luminaire with good operability and working property in mounting by holding a presser fitting mounted on an arm in such a manner as to be attachable and detachable, and vertically movable by a holding means, and releasing the holding by a releasing means. SOLUTION: When a luminaire body 1 is inserted to the mounting hole of a ceiling, the connecting part 7b of a pull-down fitting 7 is pushed down by the ceiling lower surface to pull up a presser fitting 6, and the lower end part of the presser piece 6b of the presser fitting 6 is floated from an arm 5. The presser fitting 6 is lowered along the arm 4 by a V-shaped spring 5. When the lower end part of the pressure piece 6b then makes contact with the upper surface of the ceiling, the lower end part of the presser piece 6b is energized in the direction separating from the arm 4 by the V-shaped spring 5, the ceiling board is nipped by the lower end part of the presser piece 6b and the flange part 2 of the body 1, and the body 1 is mounted on the ceiling. Thus, only by inserting the body 1 into the mounting hole, a recessed luminaire can be mounted on the ceiling, and the operability and working property in mounting can be enhanced.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embedded lighting fixture in which a lighting fixture main body is embedded and mounted in a mounting opening provided in a ceiling. More specifically, the present invention relates to a built-in lighting fixture. The present invention relates to an implantable lighting fixture that can be installed by using.

[0002]

2. Description of the Related Art FIG.
FIG. 1 is a partial perspective view of a conventional recessed lighting device disclosed in Japanese Patent Application Laid-Open Publication No. H11-209,837. In the figure, 10 is a ceiling plate to which an embedded lighting fixture is attached, 11 is its upper surface, and 12 is its lower surface. Reference numeral 13 denotes a mounting opening hole provided in the ceiling plate 10. 31 is an instrument body, 32 is an instrument body 31
Guide slits provided on the side wall of the device for guiding the mounting bracket 33 described below in the vertical direction, 33 is a wavy portion formed over the guide slit 32 with a predetermined interval in the vertical direction, and formed in an uneven shape. It is an outward flange portion provided on the outer peripheral portion of the lower end. Reference numeral 35 is a mounting bracket for mounting the instrument body 31 to the ceiling plate 10, and has an operating knob 35a, a locking piece 35b, and a ceiling surface contact portion 35c.

[0003] Next, a description will be given of a method of mounting the conventional recessed lighting fixture having the above structure. First, the operation knob 35a is placed inside the appliance main body 31, and the ceiling surface contact portion 35
Inserting the mounting bracket 35 into the guide slit 32 with the c positioned outside the instrument body 31,
Is installed in the device body 31. At this time, a sufficient distance is provided between the ceiling upper surface contact portion 35c and the flange portion 34 according to the thickness of the ceiling plate 10 to which the appliance body 31 is to be attached.

[0004] Next, the instrument body 31 is inserted into the mounting opening hole 13. When the mounting bracket 35 comes into contact with the peripheral wall of the mounting opening 13, the mounting bracket 35 is deformed toward the appliance body 31 according to the opening by spring elasticity. In this state, the fixture main body 31 is pushed up, and when the mounting bracket 35 exceeds the ceiling upper surface 11, the mounting bracket 35 is restored to the original state.

Next, the flange portion 34 of the appliance body 31 is brought into close contact with the lower surface 12 of the ceiling, and the operation knob 35a is operated from the inside of the appliance body 31 while maintaining this state, so that the ceiling upper surface contact portion 35c contacts the ceiling upper surface 11. Mounting bracket 3 until contact
Press 5 down. Thereby, the flange portion 34 and the ceiling upper surface contact portion 35c sandwich the ceiling plate 10, and the fixture body 31 is fixed to the ceiling surface. At this time, the fitting 35 is fixed at a predetermined position by the engagement between the locking piece 35b and the wavy portion 33.

[0006]

In the conventional embedded luminaire constructed as described above, it is necessary to put a hand inside the luminaire body 31 to operate a small part such as the operation knob 35a. There was a problem that it was bad and difficult to install. In addition, parts such as a light source and a light reflecting mirror that are mounted inside the main body 31 of the fixture interfere with the mounting of the lighting fixture, so they must be removed in advance and remounted after the mounting of the lighting fixture is completed. However, there is a problem that it is troublesome and the workability is poor.

The present invention has been made to solve the above problems, and an object of the present invention is to obtain an embedded luminaire having good operability and workability during mounting.

[0008]

An embedded luminaire according to the present invention is a ceiling plate including an outward flange portion provided on a lower peripheral edge of a luminaire main body and a mounting device installed on the luminaire main body. In the embedded lighting fixture for mounting the lighting fixture body in the mounting opening hole by sandwiching the peripheral edge portion of the mounting opening hole provided in the mounting fixture, the mounting device is erected at a lower end outer peripheral portion of the lighting fixture body. Arm,
A holding metal fitting attached to the arm so as to be detachable from and attachable to the arm, and a biasing member for urging the holding metal fitting in a direction in which a lower end side of the holding metal is separated from the arm and in which the holding metal fitting is moved below the arm. It is provided with a biasing means, a holding means for holding the pressing fitting in the upper part of the arm in the vicinity of the arm, and a releasing means for releasing the holding of the holding means.

Further, the biasing means and the holding means are constituted by V-shaped springs whose intersections are attached near the lower end of the arm.

Further, the releasing means is constituted by a withdrawal metal fitting having an engaging portion for engaging the pressing metal fitting on the upper end side and a projecting portion projecting outward on the lower end side.

Further, a projecting piece projecting toward the arm side is provided at the lower end portion of the holding metal fitting, and a guide hole into which the projecting piece can be inserted is provided in the arm.

Further, the retainer is made of a substantially rectangular plate-like member, and the upper portion thereof is bent outward to form a substantially V shape.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. FIG. 1 is a perspective view of an embedded lighting fixture that is an embodiment of the present invention. In the figure, 1 is a lighting fixture main body, and 2 is an outward flange portion provided on the lower peripheral edge of the lighting fixture main body. Reference numeral 3 denotes a mounting device for mounting the lighting fixture main body 1 on the ceiling, and one mounting device 3 is installed at each symmetrical position with the lighting fixture main body 1 interposed therebetween. The mounting device 3 has an arm 4 whose one end is fixed to the flange portion 2 of the luminaire main body 1, and a V-shaped spring 5 whose crossing portion is mounted to the lower end portion of the arm 4,
From the withdrawing metal fitting 7 that engages with the arm 4 and the V-shaped spring 5 and is attached so as to be movable in the vertical direction along the arm 4, and the pressing metal fitting 6 that engages with the pressing metal fitting 6 and drops downwards. It is configured.

The arm 4 is formed in a rectangular shape and its edge 4
a is bent inward (on the side of the luminaire main body 1 when the arm 4 is attached to the luminaire main body 1) and is formed in a U-shaped cross section. Slits 4b are provided in the edges 4a on both sides of the arm 4. The arm 4 stands upright at a right angle to the flange 2.

Next, the shape of the press fitting 6 will be described. The holding member 6 includes a rectangular holding member 6a, a guide member 6b formed on both upper sides of the holding member 6a, an engagement member 6c provided immediately below the two guide members 6b and engaging with the V-shaped spring 5, and a holding member. There is a pressing piece 6d formed on both lower sides of 6a. The guide piece 6b engages with both edges 4a provided on the arm 4, and guides the holding member 6 so that the arm 4 can move in the vertical direction.

Next, the shape of the withdrawal fitting 7 will be described. The pull-down metal fitting 7 is formed by bending a wire into a U-shape, and is composed of an arm portion 7a and a connecting portion 7b connecting both arm portions 7a. And arm 7
The tip portion of a is bent inward, and the tip side is further bent toward the lighting fixture body 1 side. The base ends of the arms 7a are bent in a direction away from the lighting fixture body 1 and protrude outward.

FIG. 2 is a perspective view showing a state in which the V-shaped spring 5 is assembled to the arm 4. The shape of the V-shaped spring 5 will be described based on FIG. The V-shaped spring 5 is formed by bending one spring wire, and has both legs 5a, a coiled portion 5b formed in a coil shape at an intersection of both legs 5a, and both legs 5a.
It is composed of a ring portion 5c formed at the tip of a. Then, the position slightly closer to the tip than the center of both the leg portions 5a is bent outward (the direction away from the luminaire main body 1 when the arm 4 is attached to the luminaire main body 1) and is bent in a direction in which the both leg portions 5a approach each other. A bent portion 5e is formed.

FIG. 3 is a side view showing a state in which the V-shaped spring 5 is attached to the arm 4. As can be seen from this figure, the leg 5b of the V-shaped spring 5 and the arm 4 are mounted at a predetermined angle α.

Next, referring to FIG. 1, the assembled state of the arm 4, the V-shaped spring 5, the holding metal fitting 6, and the pulling metal fitting 7 configured as described above will be described. As shown in FIG. 1, both legs 5a of the V-shaped spring 5 are pressed and narrowed, and the tip bent portions 5e thereof are grasped from the outside by the guide pieces 6b of the holding metal fitting 6. At this time, the V-shaped spring 5 has a shape in which the bent end portions 5e on both sides thereof are substantially parallel and extend outward. Therefore, the pressing piece 6b is held on the upper part of the arm 4 in a state of being in close contact with the arm 4 side.
Further, the tip of the withdrawing metal fitting 7 is inserted into the slit 4b of the arm 4 and the guide piece 6b of the holding metal fitting 6 is
It is attached to the arm 4 while being engaged with the upper part.
At this time, although the V-shaped spring 5 is about to expand due to its elasticity, the downward bent portion 5e is substantially parallel, so that no downward force is exerted on the holding member 6. The state shown in FIG. 1 is a setting state before the lighting fixture body 1 is attached to the ceiling.

Next, a method for mounting the lighting fixture body 1 set as shown in FIG. 1 on the ceiling and the operation of the mounting device 3 at that time will be described. The lighting fixture body 1 in the setting state is inserted into the mounting opening hole 13 provided in the ceiling.
Then, when the connecting portion 7b of the pulling-down metal fitting 7 abuts on the ceiling lower surface 12, and the lighting fixture body 1 is further pushed up, the connecting portion 7b
b is pushed down by the ceiling lower surface 12. When the connecting portion 7b is pushed down, the tip of the withdrawing metal fitting 7 engaged with the upper part of the guide piece 6b of the pressing metal fitting 6 pulls down the pressing metal fitting 6.

The pressing metal fitting 6 is pulled down, and the engaging piece 6c of the pressing metal fitting 6 passes through the tip bent portion 5e of the V-shaped spring 5 to generate V.
When reaching the shape portion, the force of the V-shaped spring 5 trying to spread exerts a downward force on the engagement piece 6c of the holding member 6. In this V-shaped portion, since the leg 5a of the V-shaped spring 5 forms a predetermined angle α with the arm 4, the engaging pieces 6c of the presser fitting 6 engaged with the leg 5a are both ends thereof. The upper side of the portion 6g is pushed inward (toward the lighting fixture main body 1) by the V-shaped spring 5. As a result, the lower end of the holding piece 6 b of the holding metal 6 rises from the arm 4. That is, when the engagement piece 6c of the holding member 6 reaches the V-shaped portion of the V-shaped spring 5, the V-shaped spring 5 urges the lower end of the holding member 6b in a direction away from the arm 4 and simultaneously holds the holding member 6 in place. Will also be urged in the direction to move.

The retainer 6 is lowered along the arm 4 in a state where the lower end of the retainer piece 6b is lifted from the arm 4 by the urging force of the V-shaped spring 5 and the lower end of the retainer piece 6b is brought to the upper surface 11 of the ceiling. When abutting, as shown in FIG. 4, the ceiling plate 10 is sandwiched between the lower end of the pressing piece 6b and the flange portion 2 of the luminaire main body 1, and the luminaire main body 1 is attached to the ceiling.

As described above, according to the present embodiment, the lighting fixture body 1 can be mounted on the ceiling surface only by inserting it into the mounting opening hole 13, and the embedded lighting fixture is easy to mount and has good workability. Can be obtained.

Further, in the present embodiment, the V-shaped spring 5 is used as a means for urging the lower end portion of the pressing piece 6b in the direction of moving away from the arm 4 and also in the direction of moving the pressing metal piece 6 downward. Although an example is shown, the present invention is not limited to this, and other means may be used. Just V
When the die spring 5 is used, the structure is simple, and the urging force can be easily adjusted depending on the degree of leg opening of the legs 5a and the degree of curvature of the spring material.

Further, in the present embodiment, the connecting portion 7b of the pull-down metal fitting 7 is pushed downward by the ceiling lower surface 12 to release the holding of the pressing metal fitting 6 by the tip bent portion 5e of the V-shaped spring 5. Thus, the luminaire main body 1 can be attached to the ceiling surface only by inserting the luminaire main body 1 into the attachment opening hole 13, and an embedded luminaire with good operability and workability of attachment can be obtained.

Next, a method of removing the embedded lighting fixture mounted on the ceiling surface as described above and the operation of the mounting device 3 at that time will be described. To remove the embedded lighting fixture, pull down the lighting fixture body 1 downward. At this time, the press fitting 6 moves upward on the arm 4 with the lower end of the pressing piece 6b being in contact with the ceiling upper surface 11. Then, when the engaging piece 6c of the holding metal fitting 6 passes through the bent portions of both legs 5a of the V-shaped spring 5 and reaches the tip bent portion 5e, C of the holding metal fitting 6 is reached.
The mold part moves outward along the tip bending part 5e, and the pressing piece 6b comes into close contact with the arm 4 side as shown in FIG. In such a state, the embedded lighting fixture can be pulled out downward from the mounting opening hole 13.

As described above, according to this embodiment, the embedded lighting fixture can be removed with good operability and workability.

Embodiment 2 FIG. FIG. 5 is a perspective view of this embodiment. In the present embodiment, a brim portion 6e is provided substantially in the center of the lower portion of the pressing piece 6b, a rectangular guide hole 4c is provided at a position near the lower end of the central portion of the arm 4, and the lower peripheral edge portion of the guide hole 4c is further provided. The guide piece 4d is formed by cutting and raising the inside.

According to the present embodiment, when the pressing piece 6b is pulled down by the pulling-down metal fitting 7 and descends along the arm 4, the brim portion 6e contacts the guide piece 4d and is guided outward, so that the pressing piece is pressed. The lower end of the piece 6b is lifted up smoothly. Although the example in which the guide piece 4d is provided is shown in the present embodiment, substantially the same effect can be obtained even if only the guide hole 4c is provided without providing the guide piece 4d.

Embodiment 3 FIG. 6 is a perspective view of another embodiment of the present invention. In the present embodiment, the upper portion of the pressing piece 6a of the pressing metal member 6 is bent outward. According to the present embodiment, when the pressing piece 6a is pulled down by the pulling-down metal fitting 7 and descends along the arm 4, the pressing metal fitting 6 rotates about this bent portion as the axis of rotation. This has the effect of smoothing the uplifting of.

Embodiment 4 FIG. FIG. 7 is a perspective view of another embodiment of the present invention. In the present embodiment, the leaf spring 20 is used as a means for bringing the pressing piece 6b close to the arm 4 side when the pressing metal fitting 6 is located above the arm 4. The configuration of this embodiment will be described below with reference to FIG. 7. In FIG. 7, the same parts as those shown in FIGS. 1 to 6 are designated by the same reference numerals and the description thereof will be omitted. 8
1 is a V-shaped spring, which is different from that shown in Embodiments 1 to 3 in that the legs 8a are straight without having the tip bent portions 5e (see FIG. 2) at the tips of the legs. The configuration is similar to that shown in FIG. Reference numeral 9 denotes a presser fitting, which includes a presser piece 9a and a bent portion 9b formed by bending the upper part of the presser piece 9a outward
It has. A locking hole 9c, into which a protrusion 20a of a leaf spring 20 described later is locked, is provided at a substantially central portion of the bent portion 9b. Further, the holding metal fitting 9 is provided with an engaging piece 9d and a pressing piece 9e as in the case shown in FIG.

Reference numeral 20 is a leaf spring attached to the upper part of the arm 4, and the lower end side is fixed to the arm 4 and is bent inward toward the inside. A protrusion 20a is provided on the surface of the leaf spring 20.

Next, the operation of the present embodiment configured as described above will be described. When setting the press fitting 9, the press fitting 9 is moved to the upper part of the arm 4. At this time, the upper end of the bent portion 9b is pushed outward by the leaf spring 20. As a result, the holding metal fitting 9 is bent at the bent portion 9
b around the boundary line between the pressing piece 9a and the pressing piece 9a,
a comes close to the arm 4 as shown in FIG. Then, when the pressing member 9 is pushed further upward, the leaf spring 2
The protrusion 20a provided on the 0 is the locking hole 9c provided on the bent portion 9b.
, So that the holding metal fitting 9 is held on the upper part of the arm 4. As a result, the pressing member 9 can be held on the upper part of the arm 4 in a state where the pressing piece 9a is brought close to the arm 4 without bending the V-shaped spring. The other functions of the retainer fitting 9 are the same as those shown in FIG.

Embodiment 5 FIG. 8 is a perspective view of another embodiment of the present invention. In the present embodiment, the pull-down metal fitting 7 formed of the wire rod in the first embodiment is formed of a plate material. In the figure, reference numeral 21 denotes a pull-down metal fitting formed of a rectangular plate material, and its upper and lower end portions are bent outward at substantially right angles to form an upper bent portion 21a and a lower bent portion 21b. Upper bent part 21
The a is engaged with the upper end of the pressing piece 9a.

When the lighting fixture main body 1 is mounted on the ceiling, the lower bent portion 21b comes into contact with the lower surface of the ceiling and is pushed down, and the upper bent portion 21a pulls down the pressing piece 9a. As a result, similarly to the first embodiment, the pressing metal fitting 6 is pulled down, and the pressing metal fitting 6 is lowered along the arm 4 by the force of the V-shaped spring 5 to spread, and the pressing piece 6b is pressed.
The ceiling plate 10 is sandwiched between the lower end of the and the flange portion 2 of the lighting fixture body 1. In the present embodiment, since the pull-down metal fitting 21 is made of a plate material, it is sturdy and can ensure the reliability of operation.

[Brief description of the drawings]

FIG. 1 is a perspective view of one embodiment of the present invention.

FIG. 2 is a perspective view of a component of this embodiment.

FIG. 3 is a side view of the component of this embodiment.

FIG. 4 is an explanatory diagram illustrating an operation of this embodiment.

FIG. 5 is a perspective view of another embodiment (Embodiment 2) of the present invention.

FIG. 6 is a perspective view of another embodiment (Embodiment 3) of the present invention.

FIG. 7 is a perspective view of another embodiment (Embodiment 4) of the present invention.

FIG. 8 is a perspective view of another embodiment (Embodiment 5) of the present invention.

FIG. 9 is a perspective view of a conventional recessed lighting device.

[Explanation of symbols]

1 luminaire main body, 2 outward flange part, 3 mounting device, 4 arm, 4c guide hole, 4d guide piece, 5
V-shaped spring, 5a both legs, 5e tip bent portion, 6,9 holding metal fitting, 6a engaging portion, 6b holding piece, 6e brim portion,
7,21 Pull-down metal fittings, 20 Leaf springs.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiroshi Miyazaki 2-3-3 Marunouchi, Chiyoda-ku, Tokyo Sanryo Electric Co., Ltd.

Claims (5)

[Claims] 1. An outer peripheral flange of a lower end of a luminaire main body and an attachment device installed on the luminaire main body sandwiching the peripheral edge of a mounting opening hole provided on a ceiling plate. In the embedded luminaire for mounting the luminaire main body in the mounting opening hole, the mounting device includes an arm erected at a lower outer peripheral edge of the luminaire main body, and a detachable contact with the arm and a vertical direction. A pressing metal fitting movably mounted; a biasing means for urging a lower end side of the pressing metal fitting in a direction away from the arm and moving the pressing metal fitting below the arm; An embedded luminaire, comprising: holding means for holding a holding metal fitting in close proximity to the arm; and releasing means for releasing the holding of the holding means. 2. The embedded luminaire according to claim 1, wherein the urging means and the holding means are constituted by a V-shaped spring whose intersection is attached near the lower end of the arm. 3. The releasing means is a withdrawal metal fitting having an engaging portion for engaging the pressing metal fitting on an upper end side and a projecting portion projecting outward on a lower end side. The embedded lighting fixture according to 1 or 2. 4. The projection piece projecting to the arm side is provided at the lower end portion of the holding metal fitting, and the arm is provided with a guide hole into which the projection piece can be inserted. The embedded luminaire according to any one of the above. 5. The embedded device according to claim 1, wherein the retainer is made of a substantially rectangular plate-like body, and an upper portion thereof is bent outward to form a substantially dogleg shape. Built-in lighting fixtures.