JP2012074214A - Renewal plate - Google Patents

Abstract

The present invention provides a renewal plate capable of easily setting a holding force and having a simple structure.
A renewal plate (10) has a mounting plate (11) disposed on an upper surface of a buried hole of a ceiling plate and a frame body (12) disposed on a lower surface of the buried hole of the ceiling plate, and sandwiches the ceiling plate to provide a tool. A lighting fixture having a mounting spring on the main body is supported. The mounting plate 11 has a hole 12 into which the frame body 12 and the instrument body are inserted, a standing wall 15 provided along the hole 14, and a frame body mounting portion 16 provided in the standing wall 15. While having the hole 21 in which an instrument main body is inserted, it has the standing wall 22 provided along the hole 21, and the attachment plate attachment groove | channel 24 provided in the standing wall 22. FIG.
[Selection] Figure 7

Description

  The present invention relates to a renewal plate for supporting a fixture body of a lighting fixture on a ceiling plate.

2. Description of the Related Art Conventionally, a renewal plate having an attachment member disposed on an upper surface of a ceiling board and a frame member to which an attachment spring engaged with the attachment member is attached is known (for example, see Patent Document 1).
In the renewal plate described in Patent Document 1, the mounting member is disposed on the upper surface of the ceiling plate, and then the frame member is brought into contact with the lower surface of the ceiling plate to engage the mounting spring of the frame member with the mounting member. And after inserting an instrument main body into an embedding hole and supporting an instrument main body in an embedding hole with a fixture, an instrument main body can be attached to an embedding hole by pinching an instrument main body with a frame member and an attachment member.

JP 2010-73480 A (FIG. 8, claim 1)

However, in the renewal plate described in Patent Document 1 described above, since the instrument main body and the renewal plate itself are held by the mounting spring provided in the renewal plate, the holding force is entrusted to the mounting spring. Therefore, the holding force must be considered on the renewal plate side.
Therefore, the renewal plate described in Patent Document 1 described above has a complicated structure as well as difficulty in setting the holding force.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a renewal plate that can easily set the holding force and have a simple structure.

  A renewal plate according to the present invention includes a mounting plate disposed on an upper surface of a buried hole of a ceiling plate, and a frame body disposed on a lower surface of the buried hole of the ceiling plate, and sandwiches the ceiling plate so as to sandwich the instrument main body. A renewal plate for supporting the fixture body of a lighting fixture having a mounting spring on the mounting plate, the mounting plate having a hole into which the frame body and the fixture body are inserted, and a standing wall provided along the hole, and A frame body mounting portion provided on the standing wall, the frame body having a hole into which the instrument main body is inserted, and a standing wall provided along the hole and a mounting plate mounting groove provided on the standing wall; .

  In the renewal plate according to the present invention, the mounting plate has a protrusion positioned on the ceiling plate.

  In the renewal plate according to the present invention, the mounting plate has a notch in the standing wall in which the mounting spring of the instrument body is accommodated.

  In the renewal plate according to the present invention, the frame body has a cutout portion in the standing wall in which a mounting spring included in the instrument body is accommodated.

  In the renewal plate according to the present invention, the frame attachment portion of the attachment plate and the attachment plate attachment groove of the frame can be mechanically temporarily fixed.

  In the renewal plate according to the present invention, the height of the standing wall of the frame is lower than the height of the swinging rotation shaft of the instrument body.

  According to the renewal plate according to the present invention, there is an effect that the holding force can be easily set and the structure can be simplified.

The front view of the attachment state to the ceiling board of the lighting fixture which applied the renewal plate of one Embodiment which concerns on this invention The vertical sectional view of the lighting fixture which applied the renewal plate of one embodiment concerning the present invention The external appearance perspective view seen from diagonally upward of the mounting plate in the renewal plate of one Embodiment which concerns on this invention The external appearance perspective view seen from diagonally downward of the mounting plate in the renewal plate of one Embodiment which concerns on this invention The bottom view seen from the downward direction of the ceiling board of the attachment board in the renewal plate of one Embodiment which concerns on this invention The external appearance perspective view seen from diagonally upward of the frame in the renewal plate of one embodiment concerning the present invention The disassembled perspective view explaining the assembly | attachment relationship of the attachment board and frame in the renewal plate of one Embodiment which concerns on this invention The external appearance perspective view at the time of temporary fixing of the attachment plate and frame in the renewal plate of one embodiment concerning the present invention The disassembled perspective view seen from diagonally upward of the 1st step of the assembly procedure of the renewal plate of one Embodiment concerning this invention The disassembled perspective view seen from diagonally upward of the 2nd step of the assembly procedure of the renewal plate of one Embodiment which concerns on this invention The external appearance perspective view seen from diagonally upward of the 3rd step of the assembly procedure of the renewal plate of one Embodiment which concerns on this invention The external appearance perspective view seen from diagonally upward of the 4th step of the assembly procedure of the renewal plate of one Embodiment which concerns on this invention The vertical sectional view around the renewal plate of the lighting fixture which applied the renewal plate of one embodiment concerning the present invention to the ceiling board The external appearance perspective view seen from diagonally upward of the attachment state to the ceiling board of the universal downlight type lighting fixture to which the renewal plate of one Embodiment which concerns on this invention is applied The side view of the attachment state to the ceiling board of the universal downlight type lighting fixture which applied the renewal plate of one Embodiment which concerns on this invention

Hereinafter, a renewal plate according to an embodiment of the present invention will be described with reference to the drawings.
A renewal plate 10 according to an embodiment of the present invention includes a mounting plate 11 disposed on the upper surface of the embedded hole 2 formed in the ceiling plate 1 and a frame body 12 disposed on the lower surface of the embedded hole 2 of the ceiling plate 1. And the fixture body 51 of the lighting fixture 50 having the fixture spring 52 on the fixture body 51 with the ceiling plate 1 sandwiched between the attachment plate 11 and the frame 12.

  As shown in FIGS. 1 and 2, the lighting fixture 50 has a plurality of mounting springs 52 attached to the side of the fixture body 51, and an LED unit 54 equipped with a plurality of LEDs 53 attached to the bottom of the fixture body 51. It has been. The instrument body 51 has a lens 55 attached to the front surface of the LED unit 54.

  A power supply unit 57 is attached to the upper part of the instrument main body 51 via a bracket 56, and a power supply terminal block 58 that is also attached via the bracket 56 is electrically connected to the power supply unit 57. The power supply terminal block 58 is electrically connected to an external power supply circuit and electrically connected to the power supply unit 57. The power supply unit 57 is electrically connected to a printed circuit included in an LED substrate (not shown) on which the LED 53 is mounted in the LED unit 54, and applies a predetermined direct current to the printed circuit to cause the LED 53 to emit light.

  The attachment spring 52 extends obliquely upward with respect to the instrument body 51. The attachment spring 52 is elastically deformed along the instrument main body 51 when the instrument main body 51 is inserted into the embedded hole 2 from below. Then, the attachment spring 52 is elastically restored to increase the outer diameter after the instrument body 51 is inserted into the embedded hole 2, thereby raising the instrument body 51 with respect to the ceiling plate 1. Is applied to the instrument body 51.

  As shown in FIG. 3, the mounting plate 11 has a mounting plate main body 13 whose outer shape is formed in a square shape using a thin metal plate member. The mounting plate 11 has a tool body insertion hole 14 that is a circular through hole at the center of the mounting plate body 13, and a plurality of mounting plate side upright plates on the periphery of the tool body insertion hole 14 on the upper surface of the mounting plate body 13. 15 The mounting plate side upright plate 15 is disposed parallel to the axial direction of the embedded hole 2. And it has a pair of screw hole 16 in the position which opposes among the some attachment board side standing boards 15. As shown in FIG. The mounting plate 11 has a mounting plate-side notch 17 having a size that allows the mounting spring 52 of the instrument body 51 to fit between the plurality of mounting plate-side upright plates 15 at a position corresponding to the mounting spring 52. The mounting plate 11 has an outer peripheral upright plate 18 on the outer edge of the mounting plate main body 13.

As shown in FIG. 4, the mounting plate 11 has a plurality of positioning projections 19 projecting downward at a position corresponding to the inner diameter of the embedded hole 2 on the outside of the instrument body insertion hole 14 on the lower surface of the mounting plate body 13. Have.
As shown in FIG. 5, the mounting plate 11 is disposed on the buried hole 2 of the ceiling plate 1. At this time, the mounting plate 11 is positioned at a concentric position of the embedded hole 2 by the positioning protrusion 19 being engaged with the inner peripheral surface of the embedded hole 2.
Therefore, when mounting is performed, the mounting plate 11 can be positioned at a predetermined position of the embedded hole 2 by the positioning protrusion 19 when the mounting plate 11 is disposed on the embedded hole 2 of the ceiling plate 1.

  As shown in FIG. 6, the frame 12 has a frame body 20 whose outer shape is formed in a circular shape using a thin metal plate member. The frame body 12 has an instrument main body insertion hole 21 that is a circular through hole at the center of the frame main body 20, and a plurality of frame body side upright plates 22 at the periphery of the instrument main body insertion hole 21 on the upper surface of the frame main body 20. Have The frame side upright plate 22 is arranged in parallel to the axial direction of the embedded hole 2. And it has the screw support plate 23 which has the slit 24 cut | disconnected by the vertical direction in the position which opposes among the some frame side standing boards 22. FIG. The frame body 12 has a frame body side notch 25 having a size that fits the mounting plate side notch 17 of the mounting plate 11 and accommodates the mounting spring 52 of the instrument body 51 between the plurality of frame side upright plates 22. The frame 12 has an outer peripheral upright plate 26 on the outer edge of the frame body 20.

As shown in FIG. 7, the frame body 12 is advanced from the lower surface of the ceiling plate 1 with respect to the mounting plate 11 disposed on the upper surface of the ceiling plate 1. The frame 12 is advanced toward the mounting plate 11 through the ceiling plate 1, so that the slit 24 of the screw support plate 23 corresponds to the screw hole 16 of the mounting plate side upright plate 15 of the mounting plate 11, and the inner peripheral side. Placed in.
As shown in FIG. 8, after the slit 24 of the screw support plate 23 of the frame body 12 is arranged on the inner peripheral side corresponding to the screw hole 16 of the mounting plate side upright plate 15 of the mounting plate 11, The mounting plate 11 and the frame body 12 are temporarily fixed by screwing, for example, a hexagonal screw 27 into the screw hole 16 through the slit 24 from the inner peripheral side of the main body insertion hole 14. When the screws 27 are temporarily fixed, the mounting plate 11 and the frame body 12 can be moved in the vertical direction relative to each other by being loosened from the screw holes 16.
Therefore, when mounting on the ceiling plate 1, after the mounting plate 11 is disposed on the embedded hole 2 of the ceiling plate 1, the frame body 12 is disposed on the lower surface of the embedded hole 2 of the ceiling plate 1, and the frame body 12 is mounted. Since the plate 11 is mechanically temporarily fixed, the mounting plate 11 can be prevented from escaping upward from the surface of the ceiling plate 1 during construction.

Next, the assembly procedure of the renewal plate 10 will be described.
As shown in FIG. 9, first, the mounting plate 11 is disposed on the embedded hole 2 of the ceiling plate 1.
As shown in FIG. 10, the mounting plate 11 disposed on the buried hole 2 of the ceiling board 1 is positioned in the buried hole 2 by the positioning protrusion 19. The frame body 12 proceeds from the lower side of the embedded hole 2 toward the embedded hole 2.

  As shown in FIG. 11, the frame body side upright plate 22 of the frame body 12 is advanced with respect to the inner periphery of the mounting plate side upright plate 15 of the mounting plate 11 positioned in the embedded hole 2 of the ceiling plate 1, and the frame After the slit 24 of the screw support plate 23 of the body 12 is arranged on the inner peripheral side of the frame body 12 corresponding to the screw hole 16 of the mounting plate side upright plate 15 of the mounting plate 11, the instrument body insertion hole of the frame body 12 The screw 27 is screwed into the screw hole 16 from the inner peripheral side of the screw 14 through the slit 24 and is finally fixed after temporary fixing, whereby the renewal plate 10 is sandwiched between the mounting plate 11 and the frame body 12 to sandwich the ceiling plate 1. Installed on the ceiling board 1.

As shown in FIG. 12, after the renewal plate 10 is installed on the ceiling plate 1, the instrument main body 51 elastically deformed so that the attachment spring 52 follows the instrument main body 51 is provided with the instrument main body insertion hole 14 of the frame 12 and The attachment plate 11 is inserted into the instrument body insertion hole 21 from below. Then, as the instrument body 51 advances, the attachment spring 52 is elastically restored so as to increase the outer diameter, so that the attachment spring 52 pushes the instrument body 51 against the ceiling plate 1 to the instrument body 51. Is granted.
Therefore, when mounting to the ceiling plate 1, the mounting plate 11 is disposed on the upper surface of the embedded hole 2 of the ceiling plate 1, and then the frame body 12 is disposed on the lower surface of the embedded hole 2 of the ceiling plate 1. Temporarily fixed to the mounting plate 11. Then, the instrument main body 51 is inserted through the instrument main body insertion hole 21 of the frame 12 and the instrument main body insertion hole 14 of the attachment plate 11, and the attachment plate 11 accompanying the ascending force acting on the instrument main body 51 by the attachment spring 52 of the instrument main body 51. The instrument main body 51 can be attached with the ceiling board 1 being sandwiched by the pressing force on the frame body 12 and the push-up force on the frame body 12 as the instrument main body 51 rises.

As shown in FIG. 13, when the instrument main body 51 is attached to the embedded hole 2, the attachment spring 52 of the instrument main body 51 is brought into contact with the attachment plate-side notch 17 of the attachment plate 11. Therefore, a pressing force that is pressed downward against the mounting plate 11 by the elastic restoring force accumulated in the mounting spring 52 is applied.
Therefore, when the attachment spring 52 of the appliance main body 51 is brought into contact with the attachment plate-side notch 17 of the attachment plate 11, the bending of the attachment spring 52 is restricted, and the holding force of the appliance main body 51 against the ceiling plate 1 is prevented from being lowered. it can.

At this time, the attachment spring 52 of the instrument body 51 is brought into contact with the attachment plate-side notch 17 disposed corresponding to the frame-side notch 25 included in the frame 12.
Therefore, when the mounting spring 52 is brought into contact with the mounting plate side cutout 17 corresponding to the frame side cutout 25, a pressing force on the mounting plate 11 can be reliably ensured.

Next, the case where the renewal plate 10 is applied to the universal downlight type lighting fixture 60 will be described.
As shown in FIGS. 14 and 15, the lighting fixture 60 is provided with a support base 62 below the fixture main body 61, and a swinging rotation shaft 63 attached between the fixture main body 61 and the support base 62. The irradiation direction can be changed so that the instrument body 61 swings its head.
And in the state which attached the instrument main body 61 to the ceiling board 1, as for the renewal plate 10, the height dimension L1 of the frame side standing board 22 of the frame 12 is the height dimension from the ceiling board 1 of the swing rotating shaft 63. It is sufficiently smaller than L2.
Accordingly, when applied to the universal downlight-type lighting fixture 60, the frame-side upright plate 22 of the frame 12 does not interfere with the swing rotation shaft 63, and therefore can be installed without any trouble in the operation of the swing rotation shaft 63. .

  As described above, according to the renewal plate 10 of the embodiment described above, after the mounting plate 11 is disposed on the upper surface of the embedded hole 2 of the ceiling plate 1, the embedded hole 2 of the ceiling plate 1 is mounted on the ceiling plate 1. The frame body 12 is disposed on the lower surface, and the frame body 12 is temporarily fixed to the mounting plate 11. And the instrument main body 51 is inserted through the instrument main body insertion hole 21 of the frame body 12 and the instrument main body insertion hole 14 of the mounting plate 11, and the ascending force acting on the instrument main bodies 51, 61 by the attachment spring 52 of the instrument main bodies 51, 61. The fixture body 51, 61 can be attached by sandwiching the ceiling plate 1 by the pressing force on the accompanying mounting plate 11 and the push-up force on the frame body 12 as the appliance main bodies 51, 61 are raised. Compared with a renewal plate having an attachment spring as a frame member, the holding force can be easily set and the structure can be simplified.

  Further, according to the renewal plate 10 of one embodiment, when the mounting plate 11 is disposed on the embedded hole 2 of the ceiling plate 1, the mounting plate 11 can be positioned at a predetermined position of the embedded hole 2 by the positioning protrusion 19. .

  According to the renewal plate 10 of one embodiment, when the instrument main bodies 51, 61 are attached to the buried hole 2, the attachment springs 52 of the instrument main bodies 51, 61 abut against the attachment plate side notch 17 of the attachment plate 11. By doing so, the bending of the attachment spring 52 is restricted, and a decrease in the holding force of the instrument main bodies 51 and 61 with respect to the ceiling plate 1 can be prevented.

  Furthermore, according to the renewal plate 10 of one embodiment, when the instrument main bodies 51 and 61 are attached to the embedded holes 2, the attachment springs 52 of the instrument main bodies 51 and 61 are arranged corresponding to the frame-side cutouts 25. By being brought into contact with the plate-side notch 17, a pressing force on the mounting plate 11 can be reliably ensured.

  Furthermore, according to the renewal plate 10 of the embodiment, when the mounting plate 11 is disposed on the upper surface of the embedded hole 2 of the ceiling plate 1, the lower surface of the embedded hole 2 of the ceiling plate 1 is attached. Since the frame 12 is disposed on the frame 12 and the frame 12 and the mounting plate 11 are mechanically temporarily fixed, the mounting plate 11 can be prevented from escaping upward from the surface of the ceiling plate 1 during construction.

  In addition, according to the renewal plate 10 of the embodiment, when applied to the universal downlight-type lighting fixture 60, the frame side upright plate 22 of the frame body 12 does not interfere with the swing rotation shaft 63. It can be installed without hindrance to the operation of the swing rotation shaft 63.

  In the renewal plate of the present invention, the instrument body, the LED, the LED unit, the lens, and the like are not limited to the above-described embodiments, and appropriate modifications and improvements can be made.

DESCRIPTION OF SYMBOLS 1 Ceiling board 2 Buried hole 10 Renewal plate 11 Mounting plate 12 Frame 14, 21 Instrument body insertion hole (hole)
15 Mounting plate side upright plate (standing wall)
16 Screw hole (frame mounting part)
17 Mounting plate side notch (notch)
19 Positioning protrusion (protrusion)
22 Frame side upright plate (standing wall)
24 Slit (Mounting plate mounting groove)
25 Frame side notch (notch)
50, 60 Lighting device 51, 61 Device body 52 Mounting spring 63 Swing axis

Claims (6)

A mounting plate disposed on the upper surface of the hole embedded in the ceiling plate;
A renewal plate for supporting the fixture body of a lighting fixture having a frame disposed on the lower surface of the hole embedded in the ceiling plate and sandwiching the ceiling plate and having a mounting spring on the fixture body,
The mounting plate has a hole into which the frame body and the instrument main body are inserted, a standing wall provided along the hole, and a frame body mounting portion provided on the standing wall,
The frame is a renewal plate having a hole into which the instrument body is inserted, a standing wall provided along the hole, and a mounting plate mounting groove provided in the standing wall. The renewal plate according to claim 1,
The mounting plate is a renewal plate having a protrusion positioned on the ceiling plate. In the renewal plate according to claim 1 or 2,
The mounting plate is a renewal plate having a cutout portion in the standing wall in which the mounting spring of the instrument body is accommodated. The renewal plate according to any one of claims 1 to 3,
The frame body is a renewal plate having a notch portion in the standing wall in which a mounting spring included in the instrument body is accommodated. The renewal plate according to any one of claims 1 to 4,
The renewal plate in which the frame attachment portion of the attachment plate and the attachment plate attachment groove of the frame can be temporarily fixed mechanically. In the renewal plate according to any one of claims 1 to 5,
A renewal plate in which the height of the standing wall of the frame is lower than the height of the swinging rotation shaft of the instrument body.

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