JP3227456B2 - Recessed lighting fixture with bottom cover - 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 in which a lighting device main body is embedded in a mounting opening hole provided in a ceiling, and more particularly to an environment in which waterproofing is required, such as under eaves and in a bathroom. The present invention relates to an embedded lighting device with a bottom cover, which can be installed with a single touch by simply inserting a main body of the embedded lighting device with a bottom cover into a mounting opening hole on a ceiling surface.

[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, reference numeral 10 denotes a ceiling plate to which the embedded lighting fixture is attached, 11 denotes an upper surface thereof, and 12 denotes a lower surface thereof. Reference numeral 13 denotes a mounting opening hole provided in the ceiling plate 10. Reference numeral 31 denotes a tool main body, 32 is a guide slit provided on a side wall of the tool main body 31 and guides a mounting bracket 35 described later in a vertical direction, and 33 is formed to be uneven at predetermined intervals in the vertical direction across the guide slit 32. Wavy part,
Reference numeral 34 denotes an outward flange portion provided on the outer periphery of the lower end of the instrument body 31. Reference numeral 35 denotes a mounting bracket for attaching the apparatus main body 31 to the ceiling plate 10, and includes an operation knob 35a and a locking piece 3.
5b 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
The mounting fixture 35 is inserted into the guide slit 32 from the notch hole 36 provided at the upper part in a state where c is positioned outside the fixture main body 31, respectively, and the fixture 35 is installed on the fixture main body 31. At this time, the ceiling plate 1 on which the fixture body 31 is to be mounted
A sufficient distance is provided between the ceiling upper surface contact portion 35c and the flange portion 34 according to the thickness of 0.

[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.

Further, when the recessed type lighting fixture having the above-described mounting means is used in an environment where waterproof performance is required, such as an eaves or a bathroom, the lighting fixture is further provided inside the outward flange. A packing having a dimension larger than the rising height of the flange portion is stuck to the ceiling surface 10 so that the space between the ceiling surface 10 and the outward flange portion 34 is closed in a state where the packing is attached to the ceiling surface to maintain waterproofness. On the lower surface side, a light-transmitting cover body is provided so as to keep the lower surface portion of the outward flange portion 34 and waterproof performance.

[0007]

In the conventional recessed lighting apparatus constructed as described above, it is necessary to put a hand inside the apparatus body 31 to operate a small part called the operation knob 35a. However, these operations are performed in an unnatural posture on a stepladder or the like, and there is a problem that mounting operability is poor and mounting is difficult. In addition, components mounted inside the apparatus main body 31, such as a light source and a light reflecting mirror, obstruct the mounting of the lighting apparatus. Therefore, they must be removed in advance and re-installed after the mounting of the lighting apparatus is completed. However, there is also a problem that it takes time and workability is poor.

Further, a recessed type with a lower surface cover having a light-transmitting cover on the lower surface for use under the eaves or a bathroom, and engaging with the outward flange portion on the lower surface portion of the appliance body in a waterproof manner. For lighting fixtures, mounting of the fixture body,
After the mounting of the light reflecting mirror and the mounting of the light source in order, it is necessary to mount the cover at the end, so that the problem that the mounting workability is further deteriorated is inevitable.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and an object of the present invention is to provide an embedded lighting apparatus with a bottom cover having good operability and workability during mounting.

[0010]

Means for Solving the Problems] lower surface covered implantable luminaire according to the present invention comprises a outward flange portion provided at a lower end outer peripheral edge of the luminaire body, the luminaire body and front Kigaiko flange An embedded lighting device with a lower surface cover that attaches the lighting device body to the mounting opening hole by nipping a peripheral portion of a mounting opening hole provided in a ceiling plate by a mounting device installed in the ceiling plate. ,
An arm erected on the lower peripheral edge of the lower end of the lighting fixture main body, a holding member detachably attached to the arm and vertically movably attached thereto, and a lower end side of the holding member in a direction away from the arm; Urging means for urging the holding metal in a direction to move the holding metal downwardly, holding means for holding the holding metal close to the arm above the arm, and releasing the holding means Release means.

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

Further, the release means is constituted by a pull-down fitting having an engaging portion on the upper end side for engaging with the presser fitting and a projecting portion projecting outward on the lower end side.

[0013] Further, a protruding piece protruding toward the arm is provided at a lower end portion of the presser fitting, and a guide hole through which the protruding piece can be inserted is provided on the arm.

The frame body of the lower cover comprises a peripheral frame for holding a peripheral portion of the translucent cover, and a packing material provided inside the peripheral frame for waterproofing. The outer peripheral flange at the lower peripheral edge of the lower end of the main body is connected with a plurality of setscrews.

Further, the frame of the lower surface cover is made of a peripheral frame for holding a peripheral portion of the translucent cover, and a packing material provided inside the peripheral frame.
The device has a biasing means of a shaped spring and is configured to be engaged with a holding means provided on the inner surface of the side wall of the instrument body.

Further, the lower cover frame includes a peripheral frame for holding a peripheral portion of the translucent cover, a packing material provided inside the peripheral frame, and a threaded portion formed on an inner surface of the peripheral frame. It has a rising wall and is configured to engage with a threaded portion provided on a side wall of the instrument body.

[0017]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. FIG. 1 is a perspective view of an embedded lighting apparatus with a bottom cover according to an embodiment of the present invention. In the figure,
1 is a lighting fixture main body, 2 is an outward flange provided on the outer peripheral edge of the lower end of the lighting fixture main body, 25 is an inner peripheral edge of the outward flange 2 having a dimension slightly larger than the rising dimension of the flange. Packing material for waterproofing, and 2
Reference numeral 6 denotes a cover body which engages with the outward flange portion 2 and closes the lower surface opening of the instrument body. The cover body 6 includes a light-transmitting cover 27, a peripheral frame 28 which holds a peripheral portion of the light-transmitting cover 27, and The cover body and a packing material 29 for sealing the outward flange portion are provided. The cover body is locked to the outward flange portion via the packing material 29 by a set screw 30.

Reference numeral 3 denotes a mounting device for mounting the lighting fixture main body 1 on the ceiling, one of which is installed at a target position with the lighting fixture main body 1 interposed therebetween. The mounting device 3 engages with the arm 4 having one end fixed to the flange portion 2 of the lighting fixture main body 1, a V-shaped spring 5 having a crossing portion attached to the lower end of the arm 4, and the arm 4 and the V-shaped spring 5. A holding member 6 movably mounted in the vertical direction along the arm 4, and a pull-down member 7 that engages with the holding member 6 and pulls down the holding member 6.
It is composed of

The arm 4 is formed in a rectangular shape, and its edge 4
a is bent inward (toward the lighting fixture main body 1 when the arm 4 is attached to the lighting fixture main body 1) and 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 holding member 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 both 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 pull-down fitting 7 will be described. The pull-down fitting 7 is formed by bending a wire into a U-shape, and includes an arm portion 7a and a connecting portion 7b for connecting both the arm portions 7a. The distal end of the arm 7a is bent inward, and the distal end is further bent toward the lighting fixture body 1. 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 where 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 a single spring wire, and has two legs 5a, a coiled portion 5b formed in a coil shape at the intersection of the two legs 5a, and a ring formed at the tip of the two legs 5a. It is composed of a part 5c. The position slightly ahead of the center of the two legs 5a is outward (in the direction away from the lighting fixture main body 1 when the arm 4 is attached to the lighting fixture main body 1) and the two legs 5a.
a is bent in a direction approaching to form a bent end portion 5e.

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

Next, the assembled state of the arm 4, the V-shaped spring 5, the holding member 6, and the pull-down member 7 configured as described above will be described with reference to FIG. 1 again. As shown in FIG. 1, both leg portions 5 a of the V-shaped spring 5 are pressed and narrowed, and the bent end portions 5 e of the V-shaped spring 5 are guided by the guide pieces 6 of the holding member 6.
b is gripped from outside. 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 holding 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. The tip of the pull-down metal fitting 7 is inserted into the slit 4 b of the arm 4 and the holding piece 6 of the holding metal fitting 6 is held.
b It is attached to the arm 4 while engaging 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 description will be given of a method of mounting the luminaire main body 1 set as shown in FIG. 1 on the ceiling and the operation of the mounting device 3 at that time. First, the light source is mounted on the lighting fixture body 1, the lower cover frame 26 is mounted on the outward flange portion 2 of the fixture body, and an embedded lighting fixture with a lower cover is set. Next, the lighting fixture body 1 in the setting state as shown in FIG. 1 is inserted into the mounting opening hole 13 provided in the ceiling. Then, the connection portion 7b of the withdrawal metal fitting 7
Abuts on the ceiling lower surface 12, and further pushes up the lighting fixture body 1, whereby the connection portion 7 b is pushed down by the ceiling lower surface 12. When the connecting portion 7b is pushed down, the tip of the drop-down metal fitting 7 engaging with the upper part of the holding piece 6b of the holding metal 6 pulls down the holding metal 6.

When the holding member 6 is pulled down, the engaging piece 6c of the holding member 6 passes through the bent end portion 5e of the V-shaped spring 5 and the 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 with the lower end of the retainer 6b raised from the arm 4 by the urging force of the V-shaped spring 5, and the lower end of the retainer 6b is placed on the upper surface 11 of the ceiling. When contacted, as shown in FIG.
The ceiling plate 10 is sandwiched between the lower end portion of the lighting device 1 and the flange portion 2 of the lighting fixture main body 1 through a packing material,
The recessed lighting fixture with a bottom cover is mounted on the ceiling.

As described above, according to the present embodiment, when the luminaire main body 1 of the recessed luminaire with the lower surface cover is mounted on the ceiling by simply inserting the luminaire main body 1 into the mounting opening hole 13, the outward flange portion and the ceiling are simultaneously formed. The space between the lighting device and the surface can be attached in a hermetically sealed state by packing, so that an embedded lighting device with a lower surface cover having good mounting operability and workability can be obtained.

In the present embodiment, the holding piece 6b
At the lower end of the arm 4 in the direction away from the arm 4,
Although an example is shown in which the V-shaped spring 5 is used as a means for biasing the presser fitting 6 also in the direction of moving the presser fitting 6 downward, the present invention is not limited to this and other means may be used. However, when the V-shaped spring 5 is used, the structure is simple, and the urging force can be easily adjusted depending on the degree of opening of the legs 5a and the degree of curvature of the spring material, which is convenient.

Further, in the present embodiment, the connecting portion 7b of the pull-down fitting 7 abuts on the lower surface 12 of the ceiling and is pushed down, whereby the bent portion 5 of the V-shaped spring 5 is bent.
e, the holding fixture 6 is released, so that the lighting fixture main body 1 can be attached to the ceiling surface simply by inserting the lighting fixture main body 1 into the attachment opening hole 13, and a bottom cover with good operability and operability for attachment is provided. An embedded lighting fixture can be obtained.

Next, a description will be given of a method of removing the embedded lighting fixture with the lower surface cover attached to the ceiling surface as described above, and the operation of the mounting device 3 at that time. To remove the recessed lighting fixture with the lower surface cover, the lighting fixture body 1 is pulled down. At this time, with the lower end of the holding piece 6b in contact with the ceiling upper surface 11, the holding metal 6 is
Move up on the top. Then, the engaging piece 6c of the presser fitting 6
Passes through the bent portions of both legs 5a of the V-shaped spring 5 and, when reaching the tip bent portion 5e, moves outward along the tip bent portion 5e of the presser fitting 6, and as shown in FIG. The piece 6b is in close contact with the arm 4 side. In such a state, the embedded lighting fixture with the lower surface cover can be pulled downward from the mounting opening hole 13.

As described above, according to the present embodiment, it is possible to remove the embedded lighting fixture with the lower surface cover with good operability and workability.

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

According to the present embodiment, when the holding piece 6b is pulled down by the pull-down fitting 7 and descends along the arm 4, the collar 6e abuts on the guide piece 4d and is guided outward. The lower end of the holding piece 6b is smoothly lifted. In the present embodiment, an example in which the guide piece 4d is provided is shown, but 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. FIG. 6 is a perspective view of another embodiment of the present invention. In the present embodiment, in the recessed lighting device having the mounting device according to the above-described first and second embodiments, the lower surface cover body 26 has a substantially L-shaped cross section for holding the peripheral portion of the translucent cover 27. A frame 28, and a packing material provided inside the peripheral frame for sealing the space between the translucent cover 27 and the peripheral frame 28, and connecting the peripheral frame and the outward flange portion with a plurality of set screws. 30.

Embodiment 4 FIG. FIG. 7 is a perspective view of another embodiment of the present invention. In the present embodiment, in the recessed lighting device having the mounting device according to the above-described first and second embodiments, the lower surface cover body 26 has a substantially L-shaped cross section for holding the peripheral portion of the translucent cover 27. A frame 28 and a packing material 29 provided inside the peripheral frame and sealing between the translucent cover and the peripheral frame are provided. A biasing means of a V-shaped spring 31 is provided inside the peripheral frame. It is configured so as to be engaged with a spring holding means 33 composed of a pair of engagement pieces 32 that are cut and raised on the inner side of the side wall of the lighting fixture body.

Embodiment 5 FIG. 8 is a perspective view of another embodiment of the present invention. In the present embodiment, in the recessed lighting device having the mounting device according to the above-described first and second embodiments, the lower surface cover body 26 has a substantially L-shaped cross section for holding the peripheral portion of the translucent cover 27. A frame 28 and a packing material 29 provided inside the peripheral frame and sealing between the translucent cover and the peripheral frame are formed, and a screw portion 34 is formed on an outer surface of the peripheral frame 28. It has a rising wall 35 and is configured to engage with a threaded portion 36 provided on a side wall of the lighting fixture body.

Embodiments 3 to 5 configured as above
Before mounting the lighting fixture on the ceiling surface, the light source is mounted at a place where it is easy to work at hand, and then the lower cover frame is attached to the outward flange of the lighting fixture body and attached. The setting of the lamp configuration as the embedded lighting device with the cover can be completed, and the operation can be easily performed. Thereafter, predetermined mounting can be performed only by inserting the lighting fixture main body into the mounting hole provided on the ceiling surface, and labor saving of the operation can be achieved. According to the present invention, as described above, the mounting and dismounting of the lamp can be performed by one-touch operation, and the replacement of the light source can be performed at a place where the work can be easily performed at hand.

[Brief description of the drawings]

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

FIG. 2 is a perspective view of a component according to the embodiment.

FIG. 3 is a side view of the component according to the embodiment.

FIG. 4 is an explanatory diagram illustrating the operation of the present 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 lighting fixture main body, 2 outward flange,
3 mounting device, 4 arms, 4c guide hole, 4d guide piece, 5 V spring,
5a both leg portions, 5e bent end portion, 6 holding bracket, 6a engaging portion, 6b holding piece, 6
e Collar part, 7 Withdrawal fitting, 9
Holding bracket, 10 ceiling board, 12 under ceiling,
13 Mounting opening hole 20 Leaf spring, 25
Packing material, 26 bottom cover body, 27 translucent cover, 28 peripheral frame, 29 packing material, 30 setscrew, 31 V-shaped spring,
32 locking piece, 34 screw part, 35 rising wall, 36 screw part.

Continuation of the front page (56) References JP-A-9-129022 (JP, A) JP-A-57-157013 (JP, U) JP-A-5-36707 (JP, U) JP-A-3-7992 (JP) , Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) F21V 21/04 F21S 8/00

Claims (7)

(57) [Claims] 1. A lighting device provided at an outer peripheral edge of a lower end of a lighting fixture body.
Outward flange portion and the mounting opening hole of the luminaire body by sandwiching the peripheral edge of the mounting opening hole provided before by the mounting device installed with Kigaiko flange portion to the luminaire body ceiling plate was The mounting device, wherein the mounting device is attached to an arm erected on an outer peripheral edge of a lower end of the lighting device main body, and is detachably attached to the arm and movably in the vertical direction. A presser, a biasing means for urging the lower end of the presser in a direction away from the arm and moving the presser downward of the arm, and applying the presser to the arm above the arm. An embedded lighting device with a lower surface cover, comprising: holding means for holding the holding means close to each other; and releasing means for releasing the holding of the holding means. 2. An embedded lighting device with a bottom cover according to claim 1, wherein said urging means and said holding means are constituted by V-shaped springs whose intersections are attached near the lower end of said arm. Appliances. 3. The pull-down fitting according to claim 1, wherein the releasing means is a pull-down fitting having an engaging portion on the upper end side for engaging with the presser fitting and a projecting portion projecting outward on the lower end side. 3. An embedded lighting device with a lower surface cover according to 1 or 2. 4. The arm according to claim 1, wherein a protrusion protruding toward the arm is provided at a lower end portion of the holding metal, and a guide hole is provided in the arm so that the protrusion can be inserted. An embedded lighting fixture with a bottom cover according to any one of the above. 5. A lower cover frame, comprising a substantially L-shaped peripheral frame for holding a peripheral portion of the translucent cover, and a packing provided inside the peripheral frame for sealing between the translucent cover. The embedded lighting device with a lower surface cover according to claim 1, wherein the peripheral frame and the outward flange portion are connected by a plurality of set screws. 6. A lower cover frame body is provided with a substantially L-shaped peripheral frame for holding a peripheral portion of the light-transmitting cover, and a packing provided inside the peripheral frame and sealing between the light-transmitting cover and the peripheral frame. A holding means for slidingly holding a V-shaped spring which presses the peripheral frame toward the instrument body is provided on the inner surface of the instrument body. 5. An embedded lighting device with a lower surface cover according to any one of items 4 to 4. 7. A lower cover frame body is provided with a substantially L-shaped peripheral frame for holding a peripheral portion of the translucent cover, and a packing provided inside the peripheral frame to seal a gap between the translucent cover and the peripheral frame. A screw part is formed inside the peripheral frame, and a screw part engaging with the screw part is provided on an inner wall surface of the instrument main body. 4. An embedded lighting device with a bottom cover according to item 4.