JPH047525Y2 - - Google Patents

Description

[Detailed description of the invention] [Technical field] The present invention is a lighting equipment mounting device, more specifically, a ring-shaped equipment mounting bracket with an opening window in the center for passing through a ceiling hook, and a lighting equipment that can be attached with bolts. This invention relates to a mounting device for a lighting fixture, which is provided with a bolt hanging fitting that is suspended from the ceiling through a bolt hanging fitting, and is removably attached so that the circumferential part of the bolt hanging fitting is in contact with the lower surface of the circumference of the fixture mounting fitting. .

[Background Art] Generally, this type of lighting fixture mounting device is constructed by combining a fixture mounting bracket 1 having a shape as shown in FIG. 8 and a bolt hanging fixture 2 having a shape as shown in FIG. There is. The appliance mounting bracket 1 is formed into a ring shape with an opening window 11 formed in the center for insertion of the hook ceiling, and as shown in FIG. 7, the hook ceiling 5 attached to the ceiling surface is inserted into the opening window. It is formed so that it is exposed through 11.
On the other hand, as shown in FIG. 9, the bolt hanging fitting 2 is formed into a disk shape with a bolt insertion hole 28 bored in the center and a wire insertion hole 29 bored adjacent to the bolt insertion hole 28. The opening periphery of the wire insertion hole 29 is folded back downward to form a curling portion 30. This bolt hanging fitting 2 is used in a state connected to the fixture mounting fitting 1 when hanging a lighting fixture with a bolt.

By the way, in the conventional mounting device, the recess 6 formed at the periphery of the opening window 11 of the instrument mounting bracket 1 is
and the protrusion 7 formed on the periphery of the bolt hanging fitting 2 were fitted together, and the recess 6 and protrusion 7 were mechanically caulked and fixed, and were packed and shipped together with the lighting equipment. Therefore, if there is an existing hook ceiling 5 on the ceiling during construction, remove the bolt hanging fitting 2 from the fixture mounting bracket 1 and carry out construction in the state shown in Fig. 7, and install the existing bolt on the ceiling. If there is, the bolt hanging fitting 2 is fixed to the fixture mounting fitting 1 during construction.

However, since the appliance mounting bracket 1 and the bolt hanging bracket 2 are mechanically caulked and fixed, there is variation in the bonding strength between the two, and when separating the bolt hanging bracket 2 from the appliance mounting bracket 1, it is difficult to use a screwdriver. There was a problem in that the instrument mounting bracket 1 would be deformed if the bonding strength was high when the attachment was poked with a handle or the like. Moreover, since both metal fittings 1 and 2 are caulked and fixed, once the bolt hanging metal fitting 2 is removed from the appliance mounting metal fitting 1, it cannot be reconnected.

[Purpose of the invention] The present invention was made in view of the above points, and its main purpose is to enable the bolt hanging fitting to be relatively easily separated from the appliance mounting fitting, It is an object of the present invention to provide a lighting equipment mounting device that prevents deformation of the fixture mounting bracket, and another object of the present invention is to provide a lighting equipment mounting device that prevents deformation of the fixture mounting bracket. To provide a mounting device for a lighting fixture which can be used by reconnecting metal fittings even if they are once removed.

[Disclosure of the invention] (Example) As shown in FIG. 1, the lighting equipment mounting device according to the invention basically consists of a lighting equipment mounting bracket 1 formed in a substantially circular shape, and a lighting equipment connected through bolts. It is configured to be detachably connected to a bolt hanging fitting 2 suspended from the ceiling.

The instrument mounting bracket 1 is formed into a ring shape with an opening window 11 in the center, and the outer periphery is bent downward over substantially the entire circumference to form a guide rib 12. Approximately U-shaped hook pieces 13 that open upward are provided at both ends of the straight line that corresponds to the diameter of the instrument mounting bracket 1.
will be extended. The hook piece 13 can be used to hang a lighting fixture by hooking a chain, or to attach the lighting fixture in close contact with the ceiling by holding a mounting plate provided on the side of the ceiling of the lighting fixture between it and the ceiling surface. It is used when Switchbox mounting holes 14 are bored on a straight line connecting both hook pieces 13 at positions corresponding to the bases of each hook piece 13.
Moreover, a pair of semicircular notches 15 are formed at the opening periphery of the opening window 11 on the straight line. A pair of tongues 16 bent downward extend from the periphery of the opening window 11 on a straight line perpendicular to this straight line, and the tips of the tongues 16 are attached as shown in FIG. A locking protrusion 17 (with a protrusion of about 1 mm) is provided to protrude in the diametrical direction of the instrument mounting bracket 1.

The bolt hanging fitting 2 has a disc-shaped main body part 21,
A pair of contact pieces 22 extend from the outer peripheral edge of the main body part 21 on a straight line that corresponds to the diameter, and a pair of connecting pieces 2 extend on a straight line that is orthogonal to the straight line connecting both the contact pieces 22.
3 is extended. The abutting piece 22 and the connecting piece 23 are each stepped down from the main body 21 by about the thickness of the circumference of the instrument mounting bracket 1, and the wall thickness of the main body 21 is equal to the thickness of the circumference of the instrument mounting bracket 1. is becoming equal to However, if the contact piece 22 is brought into contact with the lower surface of the periphery of the instrument mounting bracket 1, both upper and lower surfaces of the main body portion 21 become flush with both upper and lower surfaces of the periphery of the instrument mounting bracket 1. Contact piece 22
As shown in FIG. 3, outlet box mounting holes 25 are formed in each of the outlet box mounting holes 25, and both outlet box mounting holes 25 are provided on a straight line in the diametrical direction. Outlet box mounting hole 25
The pitch between them (usually 66.7mm) is set smaller than the pitch of the switchbox mounting hole 14 (usually 83.5mm), and when the appliance mounting bracket 1 and bolt hanging bracket 2 are connected in a predetermined positional relationship. In addition, the center of the notch 15 formed in the appliance mounting bracket 1 and the center of the outlet box mounting hole 25 are made to coincide with each other. The connecting piece 23 has an engaging hole 24 into which the tongue piece 16 of the instrument mounting bracket 1 is inserted, and when the tongue piece 16 is inserted into the engaging hole 24, as shown in FIG. 2a, The locking protrusion 17 engages with the lower surface of the opening periphery of the engagement hole 24, and the instrument mounting bracket 1
and the bolt hanging fitting 2 are connected to each other. That is, the locking protrusion 17 and the engaging hole 24 form an engaging portion. A bolt insertion hole 28 is formed in the center of the bolt hanging fitting 2, into which a bolt for hanging a lighting fixture is attached, and on both sides of the bolt insertion hole 28, there are wire insertion holes 29 for inserting an electric wire. is drilled. The periphery of the wire insertion hole 29 is folded downward to form the curling part 3.
0 is formed.

With the above configuration, the appliance mounting bracket 1 and the bolt hanging bracket 2 are connected by the engagement between the locking protrusion 17 and the engagement hole 24, so that the appliance mounting bracket 1 and the bolt hanging bracket 2 can be easily attached and detached. Moreover, since there is no deformation of the member due to attachment and detachment, there is an advantage that even if the bolt hanging fitting 2 is once removed from the instrument mounting fitting 1, it can be reconnected and used. Furthermore, the tongue piece 16 protruding downward from the instrument mounting bracket 1 is inserted into the engagement hole 2.
4, the lighting fixture can be hung from the bolt hanging bracket 2 with the tongue piece 16 inserted into the engagement hole 24, or the outlet box can be fixed to the ceiling using the outlet box mounting hole 25. Even if there is a problem, the instrument mounting fitting 1 will not rotate relative to the bolt hanging fitting 2. In other words, the instrument mounting fitting 1 and the bolt hanging fitting 2 can be accurately positioned in a state where they are connected.

FIG. 2b shows an example in which a hanging piece 26 is extended below the opening periphery of the engaging hole 24, and a locking hole 27 that can engage with the locking protrusion 17 is formed in the lower part of the hanging piece 26. Yes, in addition to the effects of the above embodiment, tongue piece 1
6 and the hanging piece 26, there is an advantage that the positioning of the instrument attachment fitting 1 and the bolt hanging fitting 2 can be performed more reliably. Also, this hanging piece 2
6 is formed by cutting and raising the portion where the engagement hole 24 is punched out, so that there is no waste of material. Also,
In this configuration, as shown in FIG. 2c, the members providing the locking protrusion 17 and the locking hole 27 may be reversed. As described above, the locking protrusion 17
and the locking hole 27 form an engaging portion.

FIG. 4 shows another embodiment, in which the straight line connecting both connecting pieces 23 and the straight line connecting both outlet box mounting holes 25 are orthogonal to each other in the bolt hanging fitting 2 of the above-mentioned embodiment. In the embodiment, the two straight lines do not intersect at right angles, but intersect with each other.
Further, the switchbox mounting hole 14 is a long hole that is elongated in the circumferential direction of the instrument mounting bracket 1. moreover,
Here, there is no abutment piece 22, and a semicircular notch 15 is formed at the periphery of the opening window 11 of the appliance mounting bracket 1.
A projecting piece 32 extending from the outer peripheral edge of the bolt hanging fitting 2 is configured to fit therein. In other words,
The appliance mounting bracket 1 is located around the switch box mounting hole 14 and the outlet box mounting hole 25.
and the bolt hanging fitting 2 are connected so that no overlap occurs, and both the switch box mounting hole 14 and the outlet box mounting hole 25 can be used with both fittings 1 and 2 connected. . The other configurations are the same as those of the above embodiment.

FIG. 5 shows yet another embodiment, which differs from the embodiment shown in FIG. 4 only in the structure of the connecting portion between the appliance mounting bracket 1 and the bolt hanging fixture 2. In FIG. That is, the connecting piece 23 of the bolt hanging fitting 2 has elastic contact pieces 31 formed by raising both circumferential ends of the engagement hole 24a diagonally downward as shown in FIG. A tongue piece 16a formed at a corresponding location is press-fitted into the engagement hole 24a. In this configuration, the bolt hanging bracket 2 is held on the appliance mounting bracket 1 by the tongue piece 16a protruding from the appliance mounting bracket 1 coming into pressure contact with the elastic contact piece 31 formed on the periphery of the engagement hole 24a. Therefore, an engaging portion is formed by the tongue piece 16a and the elastic contact piece 31.

[Effects of the invention] As described above, the present invention provides a tongue piece that protrudes in the vertical direction on either one of the instrument mounting bracket or the bolt hanging bracket, and an engagement hole into which the tongue piece is inserted into the corresponding position on the other side. , and at least one of the tongue piece and the engaging hole is formed with an engaging part that engages the tongue piece and the engaging hole so that the tongue piece and the engaging hole can be attached and detached in the vertical direction. This has the advantage that the hanger can be relatively easily separated from the appliance mount and the appliance mount will not be deformed during separation. Furthermore, since an engaging portion is formed to removably connect the instrument mounting fitting and the bolt hanging fitting, there is an advantage that even if the bolt hanging fitting is once removed, it can be reconnected and used. Furthermore, one side of the instrument mounting bracket and the bolt hanging bracket is provided with a tongue piece that protrudes in the vertical direction, and the other side is provided with an engagement hole into which the tongue piece is inserted, so that the tongue piece fits into the engagement hole. By being inserted, the fixture mounting bracket and the bolt hanging bracket are reliably prevented from rotating relative to each other in the horizontal plane, and even if rotational force is applied to the bolt that hangs the lighting fixture. This has the advantage that the lighting fixture will not fall due to the fixture mounting bracket and bolt hanging fixture coming off.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing an embodiment of the present invention;
Figures 2a, b, and c are cross-sectional views showing examples of the engaging portion in the same as above, Figure 3 is a bottom view in the same as above, and Figure 4 is a bottom view of the same as in the above.
The figure is a bottom view showing another embodiment of the present invention, FIG. 5 is a bottom view showing still another embodiment of the present invention, FIG. 6 is a sectional view taken along line X-X in FIG. A perspective view showing one state of use of the lighting fixture mounting device according to the present invention, FIGS. Plan view and cross-sectional view showing metal fittings, 1st
Figure 0 is a plan view of the same as above. 1 is an appliance mounting bracket, 2 is a bolt hanging bracket, 16,
16a is a tongue piece, 17 is a locking projection, 24 is an engagement hole,
27 is a locking hole, and 31 is an elastic contact piece.

Claims (1)

[Scope of utility model registration request] Equipped with a ring-shaped fixture mounting bracket with an opening window in the center for insertion of a ceiling hook, and a bolt hanging fixture for hanging lighting fixtures from the ceiling via bolts, and the peripheral part of the bolt hanging fixture is used to attach fixtures. In a mounting device for a lighting fixture that is removably attached in contact with the lower surface of the periphery of the fixture, either the fixture mounting bracket or the bolt hanging fixture is provided with a tongue piece that protrudes in the vertical direction, and the other An engagement hole into which the tongue piece is inserted is bored at the location, and the tongue piece and the engagement hole are engaged with at least one of the tongue piece and the engagement hole so that the tongue piece and the engagement hole can be attached and detached in the vertical direction. A lighting equipment mounting device comprising an engaging portion.