JP6473995B2 - Recessed lighting fixture - Google Patents

Description

  The present invention relates to an embedded luminaire, and more particularly to an embedded luminaire having a structure that can be embedded in a floor or the like.

  As a conventional example, an embedded lighting fixture described in Patent Document 1 is illustrated. The embedded luminaire described in Patent Document 1 includes a connection box, a box height adjustment table, a lamp body, an outer cylinder, and the like. The box is fixed to the upper part of the box height adjustment table installed on the installation surface such as under the floor. The lamp body includes a light source unit wired to the power line in the box, and a main body having the light source unit arranged therein and provided with an external thread on the outer peripheral surface, and the light source unit is rotatably held inside the main unit. Yes. The outer cylindrical body has a female screw on the inner peripheral surface that can be screwed into the male screw of the lamp body. Thereby, the lamp can be moved and adjusted with respect to the outer cylinder. By moving and adjusting the lamp body, the height of the top surface of the lamp body and the construction surface, for example, the floor, can be matched.

JP 2001-155530 A

  By the way, since the height of the lamp body is adjusted by screwing the lamp body into the outer cylindrical body, the shape of the portion exposed to the construction surface is cylindrical. Is most preferred. That is, when the shape of the portion exposed to the construction surface of the embedded lighting fixture is a square shape, for example, a rectangle, it is not always possible to adjust the height to a desired height when adjusting the height.

  This invention is made | formed in view of the said reason, and it aims at raising the freedom degree of the shape of the part exposed to a construction surface, making the height of a lamp body adjustable.

The embedded lighting fixture of the present invention includes an outer cylinder, a lamp, and a decorative panel, and the outer cylinder is formed in a cylindrical shape and has a female screw on an inner peripheral surface thereof. Is provided with a main body, a flange, and a light emitting portion, and the main body is formed in a cylindrical shape and accommodates the light emitting portion therein, and has an external thread combined with an internal thread of the outer cylindrical body on the outer peripheral surface, The amount of protrusion from the outer cylinder changes by rotating, and the flange is formed on the outer peripheral surface of the main body so as to protrude outward with respect to the outer peripheral surface, and the light emitting unit Is configured to emit light from the outside and emit light to the outside from the front end of the main body, the decorative panel is formed in a plate shape, the opening facing the front end of the main body, and the and a screw insertion hole for inserting a screw to be screwed to the flange, the furan Includes an insertion hole formed in an arc shape concentric with the shaft of the main body, and the decorative panel includes a bolt as the screw inserted from the screw insertion hole into the insertion hole, and a nut combined with the bolt And screwed to the flange .

An embedded lighting fixture according to the present invention includes an outer cylinder and a lamp, the outer cylinder is formed in a cylindrical shape, and has an internal thread on an inner peripheral surface thereof. The main body is formed in a cylindrical shape, accommodates the light emitting part inside, has an external thread combined with the internal thread of the outer cylinder on the outer peripheral surface, and rotates. The amount of protrusion from the outer cylindrical body is changed, the light emitting portion emits light outward from the distal end portion of the main body, and the flange faces the outer peripheral surface of the main body outward with respect to the outer peripheral surface. A decorative panel that protrudes and has an opening facing the front end of the main body is configured to receive a screw for fixing the decorative panel to the lighting device. The decorative panel is formed in a plate shape and is screwed to the flange. A screw insertion hole through which the screw is inserted, and the flange is The decorative panel includes an insertion hole formed in an arc shape concentric with a body axis, and the decorative panel includes the bolt as the screw inserted from the screw insertion hole into the insertion hole, and a nut combined with the bolt. It is characterized by being screwed to the flange .

  The embedded lighting fixture of the present invention has an effect that the degree of freedom of the shape of the portion exposed to the construction surface can be increased while the height can be adjusted.

It is a disassembled perspective view which shows Embodiment 1 of the embedded lighting fixture which concerns on this invention. It is sectional drawing which shows the same as the above. It is a disassembled perspective view which shows Embodiment 2 of the embedded lighting fixture which concerns on this invention. It is a top view which shows the same as the above. It is sectional drawing which shows the same as the above.

Hereinafter, an embodiment of an embedded lighting fixture according to the present invention will be described in detail with reference to the drawings. Each embodiment illustrates an embedded lighting fixture that is embedded in the floor. However, it is possible to apply the technical idea of the present invention to an embedded lighting fixture to be embedded other than the floor. In the following description, unless otherwise specified, the respective directions of up, down, left, and right in FIG. 1 are defined.
(Embodiment 1)
The structure of the embedded lighting fixture of this embodiment is demonstrated with reference to FIG.1 and FIG.2.

  As shown in FIG. 1, the embedded lighting fixture of the present embodiment includes an outer cylindrical body 1, a lamp body 2, a decorative panel 3, a box 4, a plate 6, and a rubber packing 7. .

  As shown in FIG. 2, the box 4 is formed in a rectangular box shape whose upper surface is partially opened, and is embedded in the embedded hole 101 of the construction surface 100. The box 4 has screw holes at the four corners of the upper surface.

  The outer cylinder 1 is formed in a cylindrical shape, and has an internal thread 11 on the inner peripheral surface.

  The plate 6 is formed in a rectangular plate shape that covers the upper surface of the box 4 and has an opening 61 through which the lamp body 2 is inserted. Further, the plate 6 has insertion holes at four corners through which screws 82 for screwing to the box 4 are inserted. The plate 6 is preferably fixed by, for example, welding the lower end of the outer cylinder 1 around the opening.

  The rubber packing 7 is formed in a rectangular frame shape in which a plurality of screw insertion holes through which screws 82 for screwing to the box 4 are inserted are provided at four corners.

  The plate 6 and the rubber packing 7 are screwed to the box 4 by inserting screws 82 into the screw insertion holes of the plate 6 and the rubber packing 7 from above the plate 6 and screwed into the screw holes of the box 4.

  As illustrated in FIG. 2, the lamp body 2 includes a light emitting unit 21, a main body 22, a flange 23, a prism panel 24, and a panel 25. The lamp body 2 preferably includes a frame body 26 and a support portion 27.

  As shown in FIG. 1, the main body 22 is formed in a cylindrical shape and has a male screw 221 that is combined with the female screw 11 of the outer cylinder 1 on the outer peripheral surface. When the male screw 221 of the main body 22 is screwed into the female screw 11 of the outer cylinder 1 and the lamp body 2 is rotated, the height in the vertical direction (the amount of protrusion from the upper end of the outer cylinder 1) can be adjusted. The main body 22 is provided with a flange 23 in the vicinity of the upper end of the outer peripheral surface. Furthermore, the main body 22 has a stepped portion 222 that holds the panel 25 on the inner peripheral surface of the upper end portion (see FIG. 2).

  As shown in FIG. 2, the frame body 26 is formed in a cylindrical shape whose outer peripheral surface is substantially the same as the inner diameter of the main body 22, and has a plate 261 that divides the upper portion and the lower portion. The partition plate 261 is provided with an insertion hole through which the power line 5 is inserted. The frame body 26 is fitted into the main body 22.

  The support portion 27 is formed in a circular plate shape so as to cover the lower end of the main body 22 and supports the frame body 26 from below. The support portion 27 includes an opening through which the power line 5 is inserted.

  As shown in FIG. 2, the light emitting unit 21 includes a plurality of LEDs (Light-Emitting Diodes) 211 that are electrically connected to the power supply line 5. The LED 211 is fixed by a synthetic resin (for example, epoxy resin) that is housed in the upper part of the frame body 26 and filled in the frame body 26. The light emitted from the LED 211 is emitted upward through the opening at the upper end of the frame body 26.

  The power line 5 is drawn from the lower part of the frame body 26 through the insertion hole of the separation plate 261 of the frame body 26. Further, the power line 5 is routed into the box 4 from the lower part of the frame body 26 through the opening of the support part 27. The power line 5 is preferably connected to an external power source through a cable protection tube 110 connected to the box 4.

  The prism panel 24 is formed in a disk shape by a material that transmits light, for example, an acrylic resin. The prism panel 24 is held by the upper end of the frame body 26 so as to cover the light emitting unit 21 inside the main body 22 and above the LEDs 211.

  The panel 25 is formed in a disk shape with tempered glass or the like, and is held from below by a step 222 of the main body 22 so as to cover the main body 22.

  As shown in FIG. 1, the flange 23 is formed in an annular shape so as to protrude outward with respect to the outer peripheral surface of the main body 22.

  When the construction surface 100 is, for example, a rectangular tile, the decorative panel 3 is preferably formed in a rectangular plate shape that matches the tile shape of the construction surface 100. The decorative panel 3 includes a circular opening 31 into which the upper end of the lamp body 2 can be inserted from below, and a plurality (four in the drawing) of recesses 32 arranged at equal intervals around the opening 31. I have.

  The recess 32 is formed so that the screw head of the drill screw 81 does not protrude from the upper surface of the construction surface 100, and has a screw insertion hole 321 through which the screw portion of the drill screw 81 is inserted.

  As shown in FIG. 2, the decorative panel 3 is held such that the lower surface hits the upper surface of the flange 23. The decorative panel 3 is screwed to the flange 23 by each drill screw 81 inserted into each of the four screw insertion holes 321 being screwed into the flange 23.

  The shape of the decorative panel 3 is not limited to a rectangular plate shape, and may be formed in a shape that matches a shape of a tile or the like applied to the construction surface 100, for example, a triangular plate shape.

  The decorative panel 3 may have a cover panel formed of a translucent material instead of the opening 31. The cover panel is not limited to a circular shape, and may be formed in a desired shape such as a rectangle or a triangle. The decorative panel 3 having the cover panel is preferably disposed on the upper surface of the panel 25 and is screwed to the flange 23 with a screw 81, for example. For example, the decorative panel 3 may be formed in a double structure with respect to the vertical direction. In this case, the lower portion of the opening 31 is preferably formed in a circular shape into which the panel 25 is inserted, and the upper portion is preferably formed in a desired shape such as a rectangular shape.

  In the conventional embedded illumination device, the upper end portion of the lamp body is formed so as to be exposed on the construction surface, and the upper end surface needs to be formed in a circular shape. The embedded lighting fixture of the present embodiment includes the decorative panel 3 exposed on the construction surface 100, thereby increasing the degree of freedom of the shape of the portion exposed on the construction surface 100.

  The construction procedure of the embedded lighting fixture of this embodiment will be described with reference to FIGS.

  The box 4 is disposed on the bottom surface of the embedding hole 101 so that the opening surface faces the construction surface 100. The plate 6 to which the outer cylindrical body 1 is fixed is screwed to the box 4 from above by a plurality of (four in the drawing) screws 82 with the rubber packing 7 sandwiched between the upper part of the box 4. The lamp body 2 is screwed into the outer cylinder 1 and rotated in the vertical direction until the upper surface of the panel 25 reaches the same height as the upper surface of the construction surface 100. The frame body 26 is configured to be rotatable with respect to the main body 22. Therefore, when adjusting the height of the lamp body 2, the frame body 26 and the LED 211 do not rotate even if the main body 22 is rotated, so that the power supply line 5 is not twisted. After adjusting the lamp body 2 to a desired height, the upper end portion of the lamp body 2 is inserted into the opening 31 of the decorative panel 3, and the decorative panel 3 is disposed on the upper surface of the flange 23. In the decorative panel 3, each of the four drill screws 81 is inserted into each screw insertion hole 321 and fixed to the flange 23.

  In addition, the number and the formation place of the screw insertion hole 321 of the decorative panel 3 are not restricted to this embodiment.

  The number of LEDs 211 is not limited to this embodiment, and may be one.

  It is preferable to provide a gap between the outer peripheral surface of the panel 25 and the main body 22 and a waterproof rubber packing 91 that fills the gap.

  Moreover, the embedded lighting fixture of this embodiment does not necessarily need to include the decorative panel 3. However, since the lamp body 2 includes the flange 23, a decorative panel having a desired shape can be attached to the flange 23 as necessary.

  The embedded lighting fixture of the present embodiment includes an outer cylindrical body 1, a lamp body 2, and a decorative panel 3. The outer cylinder 1 is formed in a cylindrical shape and has an internal thread 11 on the inner peripheral surface. The lamp body 2 includes a main body 22, a flange 23, and a light emitting unit 21. The main body 22 is formed in a cylindrical shape, houses the light emitting portion 21 therein, has a male screw 221 combined with the female screw 11 of the outer cylinder 1 on the outer peripheral surface, and protrudes from the outer cylinder 1 by rotating. Is configured to change. The flange 23 is formed on the outer peripheral surface of the main body 22 so as to protrude outward with respect to the outer peripheral surface. The light emitting unit 21 is configured to emit light with electric power from the outside, and to emit light outward from the distal end portion of the main body 22. The decorative panel 3 is formed in a plate shape and includes an opening 31 that faces the tip of the main body 22 and a screw insertion hole 321 through which a screw that is screwed to the flange 23 is inserted.

  Since the embedded lighting fixture of the present embodiment is configured as described above, the shape of the decorative panel 3 is not limited to a circle, and the height of the decorative panel 3 can be adjusted while the degree of freedom in the shape of the portion exposed to the construction surface It is possible to increase.

  In the embedded lighting fixture of the present embodiment, the decorative panel 3 is preferably screwed to the flange 23 by a drill screw 81 inserted through the screw insertion hole 321.

  If the embedded lighting fixture of the present embodiment is configured as described above, the decorative panel 3 can be easily fixed to the flange 23.

  The embedded lighting fixture of the present embodiment includes an outer cylinder 1 and a lamp 2. The outer cylinder 1 is formed in a cylindrical shape and has an internal thread 11 on the inner peripheral surface. The lamp body 2 includes a main body 22, a flange 23, and a light emitting unit 21. The main body 22 is formed in a cylindrical shape and houses the light emitting unit 21 therein. The main body 22 has a male screw 221 combined with the female screw 11 of the outer cylinder 1 on the outer peripheral surface, and changes the amount of protrusion from the outer cylinder 1 by rotating. The light emitting unit 21 emits light outward from the tip of the main body 22. The flange 23 protrudes outward from the outer peripheral surface of the main body 22 with respect to the outer peripheral surface, and receives a screw for fixing the decorative panel 3 having the opening 31 facing the front end portion of the main body 22 to the lighting fixture. Configured.

Since the embedded lighting fixture of the present embodiment has the flange 23 to which the decorative panel 3 can be attached, the shape of the decorative panel 3 is not limited to a circle, and the height can be adjusted while being exposed to the construction surface. It is possible to increase the degree of freedom of the shape of the portion to be performed.
(Embodiment 2)
The embedded lighting fixture of this embodiment is demonstrated with reference to FIGS. 3-5. In the embedded lighting fixture of the present embodiment, the flange 23 of the lamp body 2 is provided with an insertion hole 231 through which the bolt 83 is inserted, and a point where the bolt 83 and the nut 84 are fastened. Is different. The present embodiment has the same configuration and function as those of the first embodiment except that the flange 23 includes the insertion hole 231 and the bolt 83 and the nut 84 are fastened. The same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.

  As shown in FIGS. 3 and 4, the flange 23 of the lamp body 2 includes a plurality (four in the drawing) of insertion holes 231 formed in an arc shape concentric with the axis of the main body 22 of the lamp body 2. .

  The four insertion holes 231 are formed so that the screw portions of the bolts 83 inserted into a plurality (four in the drawing) of the decorative panel 3 (four in the drawing) are inserted. The decorative panel 3 is screwed and fixed (fastened) to the flange 23 by a bolt 83 and a nut 84 combined with the bolt 83 (see FIG. 3).

  Further, as shown in FIG. 5, the flange 23 is preferably provided with a step portion 232 on the outer peripheral edge. When the nut 84 is in contact with the step portion 232, the rotation of the nut 84 is restricted, and the decorative panel 3 is easily screwed to the flange 23 by the bolt 83.

  Note that the bolt 83 preferably includes a stopper 85 for preventing the nut 84 from falling down below the threaded portion.

  In the embedded lighting fixture of Embodiment 1, when the decorative panel 3 is once screwed to the flange 23 and the angle of the decorative panel 3 is finely adjusted, the drill screw 81 is removed from the flange 23 to adjust the angle of the decorative panel 3. Need to fine tune. At this time, a hole into which the drill screw 81 is screwed remains in the flange 23. When the decorative panel 3 is screwed to the flange 23 again, if the drill screw 81 partially overlaps the hole, the decorative panel 3 becomes difficult to be screwed. However, in the embedded lighting fixture of the present embodiment, when the angle of the decorative panel 3 is finely adjusted after the decorative panel 3 is once fastened to the flange 23, the bolt 83 is inserted into the flange 23 by loosening the nut 84. The state becomes movable in the hole 231. After the decorative panel 3 is adjusted to a desired angle, it is fastened to the flange 23 again by the bolt 83 and the nut 84. Therefore, the angle of the decorative panel 3 can be easily finely adjusted in the embedded lighting device of this embodiment. can do.

  In the embedded lighting fixture of the present embodiment, the flange 23 preferably includes an insertion hole 231 formed in an arc shape concentric with the axis of the main body 22. The decorative panel 3 is preferably screwed to the flange 23 by a bolt 83 inserted from the screw insertion hole 321 into the insertion hole 231 and a nut 84 combined with the bolt 83.

  In the embedded lighting fixture of the present embodiment, the bolt 83 preferably includes a stopper 85 that restricts the nut 84 from moving toward the tip of the bolt 83.

  The embedded lighting fixture of the present embodiment can easily change or fine-tune the height of the lamp body 2 during construction.

DESCRIPTION OF SYMBOLS 1 Outer cylinder 11 Female screw 2 Lamp body 21 Light emission part 22 Main body 221 Male screw 23 Flange 231 Insertion hole 3 Cosmetic panel 31 Opening part 321 Screw insertion hole 81 Drill screw 83 Bolt 84 Nut 85 Stopper

Claims (3)

An outer cylinder, a lamp, and a decorative panel;
The outer cylindrical body is formed in a cylindrical shape and has an internal thread on the inner peripheral surface,
The lamp body includes a main body, a flange, and a light emitting unit,
The main body is formed in a cylindrical shape, accommodates the light emitting portion therein, has an external thread combined with an internal thread of the outer cylindrical body on the outer peripheral surface, and changes the amount of protrusion from the outer cylindrical body by rotating. Configured to
The flange is formed on the outer peripheral surface of the main body so as to protrude outward with respect to the outer peripheral surface,
The light emitting unit is configured to emit light with electric power from the outside and emit light to the outside from the tip of the main body,
The decorative panel is formed in a plate shape, and includes an opening facing the tip of the main body, and a screw insertion hole for inserting a screw screwed to the flange .
The flange includes an insertion hole formed in an arc shape concentric with the shaft of the main body,
The decorative lighting device is characterized in that the decorative panel is screwed to the flange by a bolt as the screw inserted into the insertion hole from the screw insertion hole and a nut combined with the bolt .   An outer cylinder and a lamp,
  The outer cylindrical body is formed in a cylindrical shape and has an internal thread on the inner peripheral surface,
  The lamp body includes a main body, a flange, and a light emitting unit,
  The main body is formed in a cylindrical shape, accommodates the light emitting part therein, has an external thread combined with an internal thread of the outer cylindrical body on the outer peripheral surface, and changes the amount of protrusion from the outer cylindrical body by rotating. Let
  The light emitting unit emits light outward from the tip of the main body,
  The flange protrudes outward from the outer peripheral surface of the main body toward the outer peripheral surface, and receives a screw for fixing a decorative panel having an opening facing the tip of the main body to the lighting fixture. Configured,
  The decorative panel is formed in a plate shape and includes a screw insertion hole through which the screw screwed to the flange is inserted.
  The flange includes an insertion hole formed in an arc shape concentric with the shaft of the main body,
  The decorative panel is screwed to the flange by a bolt as the screw inserted from the screw insertion hole into the insertion hole and a nut combined with the bolt.
  An embedded luminaire characterized by that.   The embedded lighting device according to claim 1, wherein the bolt includes a stopper that restricts the nut from moving toward a tip of the bolt.

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