JP2679959B2 - Recessed lighting system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embedded lighting device such as a downlight embedded in a ceiling, and more particularly to a mounting structure thereof.

[0002]

2. Description of the Related Art Downlights embedded in the ceiling,
Embedded lighting devices of this kind are already known.

In general, the embedded illuminating device is shown in FIGS.
As shown in FIG. 3, a housing tube 2 for housing the illuminating lamp 1 is provided through a component member 3 that forms a ceiling surface or a wall surface (FIGS. 6 and 7 show a case of a downlight embedded in the ceiling surface). The illumination space 4 is buried deeper than the illumination space 4 side, and the illumination space 4 is illuminated through the opening 5 of the housing cylinder 2.

A peripheral portion of the opening portion 5 of the housing cylinder 2 is projected outward in a flange shape, and the collar portion 6 engages with the surface 3a side of the component member 3 facing the illumination space 4 and the housing cylinder. 2 functions as a back side restricting portion that restricts the movement of the position 2 further from the embedded position. Further, a pair of elongated holes 7 are formed on both sides of the housing cylinder 2 so as to extend along the embedding depth direction (vertical direction in FIGS. 6 and 7), and the fittings 8 are inserted through the elongated holes 7. It is arranged. The mounting bracket 8 is arranged such that the upper side thereof is along the inner surface side of the housing cylinder 2 and the lower side is along the outer surface side of the housing cylinder 2 while obliquely passing through the elongated hole 7 at the central portion in the vertical direction. In addition, the upper end 8a is bent inward and the long screw 9 is screwed, and the leg 8b on the lower end side is bent outward and abuts on the back surface 4a side of the component member 3. .

The tip of the screw 9 is inserted into the insertion hole of the auxiliary ring 10 fixed to the inner surface of the housing cylinder 2 to prevent the screw 9 from rolling laterally during rotation. Also, FIG.
In FIG. 7, 3a is a through hole of the constituent member 3, 11 is a socket to which the illuminating lamp 1 is attached, 12 is a connecting portion to which the socket 11 is attached and is electrically connected to indoor wiring, and 13 is a protective cover. .

When the embedded illuminating device is embedded in the component 3, the housing tube 2 is first inserted upward through the through hole 3c of the component 3 without the illumination lamp 1. Then, with the storage cylinder 2 still held, the mounting metal fitting 8 is arranged so that the leg portions 8b of the mounting metal fitting 8 project from the elongated holes 7 of the storage cylinder 2, and while maintaining this attitude,
The mounting member 8 is lowered by rotating the screw 9 with a rotating jig such as a screwdriver, and the leg portion 8b of the mounting member 8 is brought into contact with the back surface 3b of the component member 3 and pressed. As a result, the housing member 2 is fixed to the constituent member 3 by sandwiching the constituent member 3 between the flange portion 6 of the housing cylinder 2 and the leg portion 8b of the mounting member 8.

Finally, after completing the embedding work, the illumination lamp 1
Attach.

[0008]

However, according to the embedded lighting device having the above-mentioned conventional structure, when performing the embedding work, not only is the holding cylinder 2 held but also the mounting bracket 8 and the screw 9 are moved upward. While pressing down, the legs 8 of the mounting bracket 8
Since it has to be rotated by the rotating jig until b comes into contact with the back surface 3b of the constituent member 3, it is difficult to perform these operations without trouble, and the workability is extremely poor. In other words, if the rotating jig or the like comes off the screw 9 while the housing cylinder 2 is pressed down, the mounting bracket 8 may fall off together with the screw 9. In this case, the work must be redone from the beginning. I had to do it.

When the screw 9 rotates, the auxiliary ring 10
Although the tip end side of the screw 9 is auxiliary held by, the postures of the screw 9 and the mounting bracket 8 are unstable until the assembling work is completed. Therefore, the screw 9 may be kept in a vertical posture. It required skill and made assembly work more difficult.

The present invention solves the above problems, and an object of the present invention is to provide an embedded illuminating device which can easily perform an assembling work of a housing cylinder or the like to a constituent member constituting a ceiling surface or the like. It is a thing.

[0011]

In order to solve the above-mentioned problems, an embedded illuminating device of the present invention is provided on a surface side of a component member facing an illumination space so as to project toward the outer peripheral side from the vicinity of the opening. And a plurality of elongated holes formed in the accommodation cylinder along the embedding depth direction, and each elongated hole is inserted. And an abutting portion that comes into contact with the back surface side of the component member is provided, and the abutting portion is moved from the open position in which the abutting portion side projects to the outside from the inside of the housing cylinder through the elongated hole. The opening / closing member that can freely move back and forth until the side retracts into the housing cylinder, and the opening / closing member that is provided at a position on the outer side of the opening / closing member and contacts the outer peripheral surface side of the housing cylinder during the closing attitude to open / close the opening / closing member. Guides to the closed position and from the long hole of the opening / closing member into the storage cylinder Of the opening / closing member with respect to the housing cylinder while preventing the falling of the opening / closing member from the long hole of the opening / closing member by being attached to the inside of the opening / closing member. By moving the contact portion of the opening / closing member relative to the front side closer to the illumination space and contacting the contact portion of the opening / closing member with the back surface of the constituent member, the constituent member is formed by the back side restricting portion of the housing cylinder and the contact portion of the opening / closing member. And an opening / closing member moving body for sandwiching and fixing the housing cylinder.

In addition to the above structure, when the opening / closing member is moved to the front side to a position close to the rear surface of the component in the open position, the opening / closing member is brought into contact with the outer peripheral surface of the housing cylinder to hold the opening / closing member in the open position. The open posture holding portion is formed on the opening / closing member.

The opening / closing member moving body may be composed of an opening / closing member or a screw screwed into an engaging member engaging with the opening / closing member.

[0014]

In the above structure, when the embedded illuminating device such as the housing cylinder is assembled to the constituent member constituting the ceiling surface or the like, the opening / closing member or the opening / closing member moving body is previously attached to the housing cylinder, and the opening / closing member is installed. The storage cylinder is inserted into the constituent member while being held in the closed posture. Next, the open / close member is pulled to the front side in the open posture, and the contact portion of the open / close member is pressed against the back surface of the component member by the open / close member moving body including a screw. In this case, the closing posture guide portion of the opening / closing member and the opening / closing member moving body prevent the opening / closing member or the opening / closing member moving body from falling out of the storage cylinder. Even if the tool or the like is released, no trouble occurs, and the mounting operation of the storage cylinder can be easily performed. When the open / close member is pulled toward the front side in the open position, the open position holding portion of the open / close member contacts the outer peripheral surface of the housing cylinder to hold the open / close member in the open position. The posture of the moving member of the opening / closing member is stable, and the work of mounting the housing cylinder can be further facilitated.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. It should be noted that components having the same functions as those of the conventional embedded lighting device are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIGS. 1 and 2, two elongated holes 21 are formed in the accommodating cylinder 2 along the direction of embedding, and opening / closing members 22 are inserted into and retractable from the elongated holes 21, respectively. There is.

Each opening / closing member 22 is manufactured by bending a single metal plate, and as shown in FIGS. 1 and 3, the inner side portion 23 has a rectangular shape when viewed from the front, Side part 2
Connecting nut 2 fitted in the groove portion 23a of No. 3 (see FIG. 3)
A long screw 9 as an opening / closing member moving body is screwed via 4 to be embedded along the depth direction. Further, the outer side portion 25 of the opening / closing member 22 is formed in the shape of a right-angled triangle that is vertically long, and the inner side portion 2 is formed on the upper vertical portion of the outer side portion 25.
The shape is such that 3 continues. The bottom surface of the outer side portion 24 functions as a contact portion 25a that contacts the back surface side 3b of the component member 3.

When the opening / closing member 22 is located on the inner side of the housing cylinder 2, as shown by the phantom line in FIG. 4, the outer side portion 25 including the contact portion 25a passes through the elongated hole 21. As shown by the solid line portion of FIG. 4, the outer side portion 25 is almost in the housing cylinder 2 from the open posture in which the housing cylinder 2 is protruded largely outward.
It is said that it is possible to move in and out until it is closed.
The inclined surface portion of the outer side portion 25 is widened to form a closed posture guide portion 25b, and when the opening / closing member 22 is retracted to the closed posture, the closed posture guide portion 25b is located on the outer peripheral surface side of the housing cylinder 2. The opening / closing member 22 is guided to the closed position by contacting with, and the opening / closing member 22 is prevented from falling out of the elongated hole 21 into the housing cylinder 2.

Further, as shown in FIG. 1, the elongated hole 21 is formed only up to the portion where the lower end portion thereof is located above the back surface side 3b of the component member 3, and the opening / closing member 22 of the component member 3 is formed. When lowered to the vicinity of the back surface 3b, the lower portion of the vertical surface of the outer portion 25 comes into contact with the outer peripheral surface of the housing cylinder to hold the opening / closing member 22 in the open posture. Functions as the open posture holding unit 25c.

Further, the screw 9 is longer than the long hole 21, and even when the opening / closing member 22 is swung to the open position,
The screw 9 is prevented from coming into contact with the inner peripheral surface of the housing cylinder 2 to prevent the opening / closing member 22 from falling out of the housing cylinder 2 from the elongated hole 21.

In the above structure, when the embedded illuminating device is assembled to the structural member 3 constituting the ceiling surface or the like, after the opening / closing member 22 is inserted into the housing cylinder 2, the connecting nut 24 is inserted into the groove 23a of the opening / closing member 22. Is inserted, and the screw 9 is screwed into the connecting nut 24 to attach the opening / closing member 22 and the screw 9 to the housing cylinder 2 in advance. Then, as indicated by the solid line in FIG. 4, the housing cylinder 2 is inserted into the through hole 3 a of the component member 3 with the opening / closing member 22 held in the closed posture. Next, after each opening / closing member 22 is pushed outward to be in the open posture, each opening / closing member 22 is pulled toward the front lower side in the open posture. Then, the screw 9 is rotated to press the contact portion 25a of the opening / closing member 22 against the back surface 3a of the constituent member 3 as shown in FIGS.

In this case, the closing posture guide portion 25b of the opening / closing member 22 and the screw 9 prevent the opening / closing member 22 and the screw 9 from falling off from the housing cylinder 2, so that the opening / closing member 2
Even if a hand, a jig, or the like is separated from the screw 2 or the screw 9, no trouble occurs, and the mounting operation of the housing cylinder 2 can be easily performed. Further, when the opening / closing member 22 is pulled to the lower side of the front side in the open posture, as shown in FIG. 1, even when the opening / closing member 22 tries to move to the closed posture side, the open posture holding part 25c of the opening / closing member 22 causes the holding cylinder 2 to move. Abut on the outer peripheral surface of the opening / closing member 22
The open / close member 22 and the screw 9 are shown in FIG.
The posture shown in FIG. 3 is stably maintained, and the mounting work of the storage cylinder 2 is further facilitated. The illuminating lamp 1 is attached to the socket 11 at the stage when the attaching operation of the housing tube 2 is completed.

Here, in the above embodiment, the illumination lamp 1
Is a metal vapor deposition light bulb, but it goes without saying that it is not limited to this, as shown in FIG.
It can also be applied to a light source section 31 such as a halogen lamp (not shown) provided with a light guide frame 32. Also,
In these embodiments, the posture is kept stable when the screw 9 is rotated, so that the auxiliary ring is not provided. Good. Furthermore, it is possible to use other than the screw 9 as the opening / closing member moving body, and the opening / closing member 2
The shape of 2 is not limited to the above, and can be easily applied to an embedded lighting device other than the ceiling surface.

[0024]

As described above, according to the present invention, the opening / closing member which can be moved in and out of the housing cylinder and which does not fall off is provided,
Since the opening / closing member is moved by the opening / closing member moving body such as a screw attached to the opening / closing member, the housing cylinder is fixed to the constituent members such as the ceiling surface.
It is possible to easily perform the work of attaching the storage cylinder and the like. Further, by providing the open position holding portion that holds the open / close member in the open position when the open / close member is pulled toward the back surface side of the component member, the mounting operation of the housing cylinder can be further facilitated.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view of an embedded lighting device according to an embodiment of the present invention.

FIG. 2 is a side view of the embedded lighting device.

FIG. 3 is a perspective view of an opening / closing member and a screw of the embedded lighting device.

FIG. 4 is a partially cutaway front view showing an operation at the time of mounting the embedded lighting device.

FIG. 5 is a partially cutaway front view of an embedded lighting device according to another embodiment of the present invention.

FIG. 6 is a partially cutaway front view of a conventional embedded lighting device.

FIG. 7 is a side view of a conventional embedded lighting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Illumination lamp 2 Housing cylinder 3 Structural member 4 Illumination space 5 Opening part 6 Collar part (back side regulation part) 9 Screw (opening / closing member moving body) 21 Long hole 22 Opening / closing member 23 Inner side part 24 Connecting nut 25 Outer side Part 25a Contact part 25b Closed posture guide part 25c Open posture holding part

Claims (3)

(57) [Claims] 1. An embedded illuminating device in which a container for accommodating an illuminating lamp is embedded deeper than a lighting space through a constituent member such as a ceiling surface or a wall surface, and illuminates the illumination space through an opening of the container. In addition, the container is provided so as to project from the vicinity of the opening toward the outer peripheral side, and engages with the surface side of the component member facing the illumination space to prevent the container from moving further to the inner side than the embedded position. A back side restricting portion, a plurality of elongated holes formed along the embedded depth direction in the housing cylinder,
An abutting portion is provided which is inserted through each of the elongated holes and abuts on the back surface side of the component member, and the abutting portion side extends from the inside of the accommodating cylinder to the outside through the elongated hole. An opening / closing member that can be retracted and retracted until the abutting portion side retracts into the housing cylinder, and an outer opening of the opening / closing member, which contacts the outer peripheral surface side of the housing cylinder in the closing attitude. Closed posture guide part that contacts and guides the open / close member to the closed posture and prevents the open / close member from falling out of the long hole of the open / close member, and is attached to a position on the inner side of the open / close member to be received from the long hole of the open / close member. The opening / closing member is prevented from falling out of the cylinder, and the opening / closing member in the open position is moved relatively to the front side closer to the illumination space with respect to the housing cylinder so that the contact portion of the opening / closing member contacts the back surface of the constituent member. As a result, the rear side restricting portion of the housing cylinder and the contact portion of the opening / closing member Embedded type lighting device and a closing member movable body for fixing the holding cylinder constituent members sandwiching Ri. 2. An open position holding section for holding the open / close member in the open position by contacting the outer peripheral surface of the housing cylinder when the open / close member is moved to the front side to a position close to the back surface of the component member in the open position. The embedded illumination device according to claim 1, wherein the embedded illumination device is formed on an opening / closing member. 3. The embedded illuminating device according to claim 1, wherein the opening / closing member moving body is constituted by an opening / closing member or a screw screwed to an engaging member engaging with the opening / closing member.