JP6935935B2 - Mounting plate for luminaire mounting device - Google Patents

Description

The present invention relates to a mounting plate for a luminaire mounting device, and particularly for mounting a luminaire mounting device to an adapter mounted on a hook ceiling rosette (simply referred to as a "rosette") installed on the ceiling. Regarding the plate. In addition to directly attaching the luminaire to the luminaire mounting device, the luminaire may be attached via a duct rail or the like.

Conventionally, in the installation work of lighting fixtures, many lighting fixtures are often attached to the ceiling or the like. In such a case, conventional construction methods such as the "wiring duct rail mounting device" shown in Patent Document 1 and the "ceiling mounting structure of electric appliances" shown in Patent Document 2 can be used by one person in a short time. It was quite difficult to complete the construction. As a result, there are cases where two or more people perform the construction work in pairs, which requires a great deal of time and labor.

Therefore, the inventor of the present application has developed the "lighting fixture mounting device" described in Patent Document 3 below for the purpose of shortening the time and labor, and in order to further achieve the purpose, the following patent The "lighting fixture mounting device" described in Document 4 has been developed.

Japanese Unexamined Patent Publication No. 2006-4775 Japanese Unexamined Patent Publication No. 2009-193821 JP-A-2015-69782 Japanese Unexamined Patent Publication No. 2017-10683

However, in the structure described in Patent Document 4, although the time can be shortened and the labor can be reduced to some extent, the time and labor cannot be sufficiently shortened.

Therefore, the present inventor has conducted extensive research and developed a mounting plate that allows the lighting fixture mounting device to be easily mounted on the adapter in order to shorten the time and labor required for mounting the lighting fixture.

The mounting plate of the first lighting fixture mounting device according to the present invention is a mounting plate for mounting the lighting fixture mounting device to the adapter, and the adapter is locked to a hook ceiling rosette mounted on the ceiling. a shall, a cylindrical shape, the outer peripheral surface of the adapter on its side, projects horizontally outwardly in a circular and concentric of the cylindrical, upper surface are two or more Ru horizontal der The mounting plate is circular, has an inner hole along the cross-sectional shape of the adapter, and has a structure in which the adapter is fitted including the protruding portion. The inner hole provided in the mounting plate is composed of an arc-shaped circular hole portion along the cylindrical shape of the adapter and an arc-shaped cutout hole portion notched outward along the shape of the protruding portion. The circular hole portion has a central angle larger than the central angle of the notch hole portion, and the mounting plate is fitted into the adapter, and the protruding portion of the adapter is fitted into the notch hole portion of the mounting plate. Then, when the mounting plate is rotated with respect to the adapter, the peripheral edge of the circular hole in the mounting plate is placed on the entire upper surface of the protruding portion of the adapter, and the notched hole is projected on the adapter. It is possible to move to a position off the upper surface of the portion, the mounting plate is provided with a stopper, and the stopper is provided in the notch hole portion of the mounting plate in the direction of rotation of the mounting plate. The mounting plate is rotated with respect to the adapter at a position where the notch hole is separated from the upper surface of the protrusion of the adapter, which consists of protrusions formed on both edges intersecting with the adapter. The protrusion abuts on the protrusion of the adapter to prevent the notch hole of the mounting plate from returning to the fitting position of the adapter, and the lighting fixture mounting device is connected to the mounting plate. The adapter has a structure close to the mounting plate, and the protruding portion of the adapter is sandwiched between the mounting plate mounted on the protruding portion and the lighting fixture mounting device to mount the lighting fixture. The device is characterized in that it has a structure fixed to the adapter.

In the mounting plate of the second luminaire mounting device according to the present invention, in addition to the configuration of the first mounting plate, the adapter has the protrusions provided on its side surface at equal intervals in the side peripheral direction. It is characterized by being arranged.

In addition to the configuration of the first or second mounting plate, the mounting plate of the third luminaire mounting device according to the present invention has a plurality of bolt insertion holes formed around the mounting plate. The luminaire mounting device is provided with a bolt passage hole corresponding to the bolt insertion hole, and after passing the bolt through the bolt insertion hole of the mounting plate, pass a winding spring through the bolt to obtain the bolt. By passing the tip through the bolt passage hole and screwing a nut into the tip of the bolt, the mounting plate is connected to the luminaire mounting device, and the nut is further screwed. The luminaire mounting device is characterized in that it approaches the mounting plate.

By configuring the mounting plate for the luminaire mounting device as described above, the luminaire mounting device can be easily mounted on the adapter, so that the worker can proceed with the work with both hands free. Therefore, it has become possible for even one person to easily install the lighting equipment, and it has become possible to significantly reduce the time and labor required for the installation work of the lighting equipment.

It is a perspective view which shows the state which attached the lighting fixture to the ceiling using the lighting fixture mounting device. It is an assembly explanatory drawing which shows the state which attaches the adapter to the rosette installed on the ceiling. It is a figure which shows the structure of the mounting plate. FIG. It is a perspective view of the mounting plate. It is a perspective view explaining the state of attaching the mounting plate to an adapter, (a) shows the state where the mounting plate is fitted from under the adapter, and (b) shows the mounting plate passing through the adapter as the adapter. On the other hand, it shows a state of being rotated 90 degrees, and (c) shows a state of lowering the mounting plate and placing it on the protruding portion of the adapter. It is an exploded perspective view explaining the assembly structure of a mounting plate and a luminaire mounting device. It is an assembly explanatory drawing which shows the state which attaches the luminaire attachment device provided with the attachment plate to the rosette installed on the ceiling. It is a partially cutaway perspective view which shows the state which raised the luminaire mounting device by screwing and tightening a nut, and sandwiched and fixed the adapter between the mounting plate and the luminaire mounting device.

Next, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In FIG. 1, A indicates a luminaire, and B indicates a luminaire attachment device according to an embodiment of the present invention.

The luminaire A is composed of a plurality of illuminating units a1 and a main body pipe a2 that supports each illuminating unit a1 and passes a wiring cord of each illuminating unit, that is, a so-called duct rail. Regarding the wiring of the luminaire A, each wiring cord of each illuminating unit a1 in the luminaire A is focused on one wiring cable and extends upward from the main body pipe a2 of the luminaire A, and a wiring connector is connected to the tip thereof. Then, this wiring connector is connected to the inside of the luminaire mounting device B.

In the lighting fixture mounting device B, a mounting plate 10 described later is incorporated therein, and the mounting plate 10 in the incorporated state is locked to the adapter D described later, and the adapter D is illuminated by screwing a nut. The structure is such that the fixture mounting device B is fixed.

In FIG. 2, C indicates a rosette and D indicates an adapter.

The rosette C is provided with an engaging hole c1 on its lower surface, and is installed on the ceiling so that the engaging hole c1 faces downward. The rosette C is generally connected to indoor wiring arranged in the attic of a building or the like, and the engagement hole c1 of the rosette C is provided with a terminal electrically connected to the indoor wiring inside the rosette C.

The adapter D has a columnar shape, and its upper surface is equipped with a hook plug d1 that also serves as a terminal electrically connected to the circuit inside the adapter so that it can be attached to the rosette C with one touch. It has become. That is, when the hook plug d1 of the adapter D is fitted into the engagement hole c1 of the rosette C as shown by the arrow a and the adapter D is rotated in the direction indicated by the arrow b, the hook plug d1 is prevented from coming off. Become. At this point, the hook plug d1 and the terminal in the engagement hole c1 are electrically connected. As a result, the adapter D is electrically connected to the rosette C and hooked, and the power cable (not shown) connected below the adapter D is energized.

The adapter D is provided with projecting portions d2 and d3 projecting in the horizontal direction on both left and right side surfaces, and the projecting portions d2 and d3 have an inverted cross-sectional shape having a horizontal surface on the upper surface so that the mounting plate 10 can be placed. Is doing. The number of protrusions is not limited to two, and may be three or more, but if the number of protrusions is too large, manufacturing is troublesome and for mounting when the mounting plate 10 described later is mounted. It is not preferable because the stability of the plate 10 and the strength when a load is applied are reduced. Further, it is desirable to arrange the protruding portions at equal intervals in the circumferential direction of the side surface of the adapter D because it is excellent in terms of balance. Therefore, the number of protrusions is appropriately in the range of 2 to 6.

3 and 4 show a mounting plate 10 to be incorporated in the luminaire mounting device B, and the mounting plate 10 is for mounting the luminaire mounting device B to the adapter D. The mounting plate 10 is provided with an inner hole 11 along the cross-sectional shape of the adapter D, and as shown in FIG. 5, the mounting plate 10 is fitted from below the adapter D by the inner hole 11. It is configured to be crowded and pulled out upward. That is, the inner holes 11 in the mounting plate 10 are the circular hole portions 11a corresponding to the columnar adapter D main body and the notch holes 11c and 11d formed corresponding to the protruding portions d2 and d3 of the adapter D. It is a hole having a shape including the above, and has a shape of a hole to be fitted including the protrusions d2 and d3 of the adapter D.

Then, as shown in FIG. 5A, the mounting plate 10 is fitted with the inner hole 11 of the mounting plate 10 into the adapter D from below the adapter D (arrow c), and the mounting plate 10 is mounted from the adapter D. As shown in FIG. 5 (b), the mounting plate 10 is rotated 90 degrees on the adapter D (arrow d), and the notched holes 11c and 11d of the mounting plate are inserted into the adapter D. By moving from above the protrusions d2 and d3 and lowering the mounting plate 10 (arrow mark e) as shown in FIG. 5C, the adapter D can be placed on the protrusions d2 and d3. .. The rotation angle of the mounting plate 10 is not limited to 90 degrees, and may be rotated so as to exceed the stoppers 12a, 12b, 12c, and 12d described later.

After the mounting plate 10 is placed on the protrusions d2 and d3 of the adapter D in this way, the mounting plate 10 rotates with respect to the adapter D, and the notch holes 11c and 11d of the mounting plate 10 are formed. When returning to the positions of the protrusions d2 and d3 of the adapter D, the mounting plate 10 may fall off from the adapter D. In order to prevent such detachment, as shown in FIGS. 3 and 4, the notch holes 11c and 11d of the mounting plate 10 are located at the positions of the protrusions d2 and d3 of the adapter D on the mounting plate 10. Stoppers 12a, 12b, 12c, 12d are provided to prevent the return.

As shown in each figure, the stoppers 12a, 12b, 12c, and 12d have the rotation directions in which the mounting plate 10 rotates on the adapter D in the cutout holes 11c and 11d of the mounting plate 10. It is composed of protrusions formed at the edges intersecting with each other, that is, the edges at which the circumferential direction of the mounting plate 10 and the notch holes 11c and 11d intersect (the edges are bent downward). With this configuration, even if the mounting plates 10 mounted on the protrusions d2 and d3 on the adapter D rotate, they are formed on the stoppers 12b and the notch holes 11d formed in the notch holes 11c. Since either of the stoppers 12d abuts on the protrusion d2, the notch hole 11c and the notch hole 11d are prevented from entering the position of the protrusion d2, and similarly, the stopper 12a formed in the notch hole 11c, Since either of the stoppers 12c formed in the cutout hole 11d abuts on the protrusion d3, the cutout hole 11c and the cutout hole 11d are prevented from entering the position of the protrusion d3.

Next, the connection structure between the lighting fixture mounting device B and the mounting plate 10 will be described with reference to the exploded view shown in FIG.

In FIG. 6, 20a, 20b, 20c, and 20d are bolts, and bolts 20a, 20b, 20c, and 20d are inserted into the mounting plate 10 around the bolts 20a, 20b, 20c, and 20d as indicated by arrow f. Four bolt insertion holes 15a, 15b, 15c, and 15d are formed according to the number of bolts.

In FIG. 6, 21a, 21b, 21c, 21d are vine springs, and are indicated by arrow g from the tips of the bolts 20a, 20b, 20c, 20d inserted into the bolt insertion holes 15a, 15b, 15c, 15d. As described above, the bolts 20a, 20b, 20c and 20d are passed through the vine winding springs 21a, 21b, 21c and 21d.

The luminaire mounting device B has bolts corresponding to the four bolt insertion holes 15a, 15b, 15c, and 15d on the donut-shaped flange surface formed inward from the peripheral wall surface, that is, bolts corresponding to the vertical direction. Passing holes B1, B2, B3, and B4 are formed, and the bolts 20a, 20b, 20c, and 20d through which the winding springs 21a, 21b, 21c, and 21d are passed pass through the bolts as indicated by the arrow h. The nuts 22a, 22b, 22c, 22d are screwed into the tips of the bolts 20a, 20b, 20c, and 20d after passing through the holes B1, B2, B3, and B4, as indicated by the arrow i. As shown in 7, the mounting plate 10 is connected to the luminaire mounting device B.

The vine-wound springs 21a, 21b, 21c, and 21d have a function of urging the mounting plate 10 upward and always raising the mounting plate 10 due to its elasticity in the length direction, and the mounting plate 10 It is also possible to lower.

With the mounting plate 10 connected to the luminaire mounting device B, the nuts 22a, 22b, 22c, and 22d are further screwed, that is, the bolts 20a, 20b, 20c, and 20d are lowered. Then, the mounting plate 10 descends and approaches the lighting fixture mounting device B. On the contrary, when viewed from the mounting plate 10 side, the luminaire mounting device B comes close to the mounting plate 10, and as a result, as shown in FIG. 8, it is placed on the protrusions d2 and d3. The protrusions d2 and d3 of the adapter D are sandwiched between the mounting plate 10 and the luminaire mounting device B, whereby the luminaire mounting device B is fixed to the adapter D.

Next, a procedure for attaching the luminaire attachment device B to the adapter D locked to the rosette C will be described using the attachment plate 10 in this embodiment.

First, as described with reference to FIG. 6, the mounting plate 10 is connected to the lighting fixture mounting device B so as to be in the state shown in the lower part of FIG. In this connected state, with respect to the adapter D locked to the rosette C fixed to the ceiling shown in the upper part of FIG. 7, the mounting plate 10 is attached from below the adapter D as described with reference to FIG. It is fitted into the adapter D, the mounting plate 10 is rotated 90 degrees, and the mounting plate 10 is placed on the protrusions d2 and d3 of the adapter D.

In this state, the luminaire mounting device B is engaged with the adapter D, so that the operator can drop the luminaire mounting device B even if he / she releases his / her hand from the luminaire mounting device B. Since there is no such thing, both hands can be used freely, and workability is improved at once.

Then, in this state, when the nuts 22a, 22b, 22c, and 22d at the bottom of the luminaire mounting device B are screwed together, the luminaire mounting device B is fixed to the adapter D as described with reference to FIG. The work will be completed.

Although the embodiment of the present invention has been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. This embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the gist of the invention. This embodiment and its modifications are included in the scope and gist of the invention, as well as in the scope of the invention described in the claims and the equivalent scope thereof.

A ・ ・ ・ Lighting equipment a1 ・ ・ Lighting part a2 ・ ・ Main body pipe B ・ ・ ・ Lighting equipment mounting device C ・ ・ ・ Hook ceiling rosette c1 ・ ・ Engagement hole D ・ ・ ・ Adapter d1 ・ ・ Hook plug d2, d3・ ・ Protruding part 10 ・ ・ Mounting plate 11 ・ ・ Inner hole 11a ・ Circular hole part 11c, 11d ・ ・ Notched hole part 12a, 12b, 12c, 12d ・ ・ Stopper 20a, 20b, 20c, 20d ・ ・ Bolt 21a, 21b, 21c, 21d ... Twisted springs 15a, 15b, 15c, 15d ... Bolt insertion holes B1, B2, B3, B4 ... Bolt passage holes 22a, 22b, 22c, 22d ... Nuts a, b, c, d, e, f, g, h, i ...

Claims (3)

It is a mounting plate for mounting the lighting fixture mounting device to the adapter.
The adapter is locked to a ceiling-mounted hook ceiling rosette and has a cylindrical shape. The side surface of the adapter is horizontal from the outer peripheral surface of the adapter to the outside concentrically with the cylindrical circle. projecting direction, the upper surface is provided with two or more arc-shaped protrusions Ru horizontal der,
The mounting plate is circular, has an inner hole along the cross-sectional shape of the adapter, and has a structure in which the adapter is fitted including the protruding portion.
The inner hole provided in the mounting plate is composed of an arc-shaped circular hole portion along the cylindrical shape of the adapter and an arc-shaped cutout hole portion notched outward along the shape of the protruding portion.
The central angle of the circular hole portion is formed to be larger than the central angle of the notch hole portion.
When the mounting plate is fitted into the adapter and the protruding portion of the adapter is fitted into the notch hole of the mounting plate and the mounting plate is rotated with respect to the adapter, a circular hole in the mounting plate is formed. The peripheral edge of the portion can be moved to the entire upper surface of the protruding portion of the adapter, and the notch hole portion can be moved to a position off the upper surface of the protruding portion of the adapter.
The mounting plate is provided with a stopper.
The stopper comprises protrusions formed at both edges of the mounting plate in the notched holes that intersect the direction of rotation of the mounting plate, and are formed of downwardly bent portions.
When the mounting plate is rotated with respect to the adapter at a position where the notch hole portion is separated from the upper surface of the protruding portion of the adapter, the protrusion abuts on the protruding portion of the adapter to cause the notch of the mounting plate. Prevents the hole from returning to the fitting position of the adapter,
The luminaire mounting device is connected to the mounting plate and has a structure close to the mounting plate.
The protruding portion of the adapter is sandwiched between the mounting plate mounted on the protruding portion and the luminaire mounting device, and the luminaire mounting device is fixed to the adapter. A plate for mounting a lighting fixture mounting device. In the adapter , the protrusions provided on the side surface thereof are arranged at equal intervals in the circumferential direction of the side surface .
Mounting plate for luminaires mounting apparatus according to claim 1, characterized in that. The mounting plate is provided with a plurality of bolt insertion holes formed around the mounting plate.
The luminaire mounting device includes a bolt passage hole corresponding to the bolt insertion hole.
By passing the bolt through the bolt insertion hole of the mounting plate, passing the spring through the bolt, passing the tip of the bolt through the bolt passage hole, and screwing the nut into the tip of the bolt. , Connect the mounting plate to the luminaire mounting device,
The mounting plate for a lighting fixture mounting device according to claim 1 or 2, wherein the lighting fixture mounting device approaches the mounting plate by further screwing the nut.

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