JPH0520912A - Mounting and positioning adapter for lighting fixture securing bracket for hook type ceiling rosette - Google Patents

Abstract

PURPOSE:To ensure a securing bracket for a lighting fixture to be properly positioned, relative to a separate hook type ceiling rosette. CONSTITUTION:An adapter body 20 is so formed as to have a U-shape with a center piece 20a, and pieces 20b and 20b at both sides The center piece 20a has coupling ribs 21 of the same horizontal section as slits of the coupling edge receiving section 8 of hook type ceiling rosette, in such a way as projected from both sides of the upper surface. In addition, the upper ends of both side pieces 20b and 20b have support pieces 20c and 2Oc extended outward as integral part thereof and at right angles therewith. Each support piece 20c is used to place and support fixture hook lugs 14a externally projected toward both sides of a lighting fixture securing brackets 14, and has a large hole 26 correspond ing to screw holes 25 for securing the brackets 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting / positioning adapter for a lighting fixture mounting bracket for hook ceiling rosettes.

[0002]

2. Description of the Related Art FIG. 15 is a perspective view of a round or square hooking ceiling rosette 1 mounted on a ceiling, in which a hooking blade 2 provided on the upper surface is inserted and locked in an opening of a blade receiving portion 8. 1 shows a lighting fixture mounting configuration in which a lighting fixture main body 4 is mounted and electrically connected by using a connector 3 to be connected,
When attaching the lighting fixture body 4 to the connector 3, the connector 3 is fitted into the fitting hole 5 provided in the center of the lighting fixture body 4 from above while lifting the lighting fixture body 4 upward. Let At this time, the engaging claws 6 provided on the inner wall surfaces on both sides of the fitting hole 5 so as to be retractable by spring bias engage with the locking recesses 7 provided on the both side surfaces of the connector 3 and are connected to the connector 3. The luminaire main body 4 is held. At the same time, a pair of power receiving portions (not shown) provided in the fitting hole 5 are inserted into the grooves 3a provided at a pair of diagonal positions of the connector 3 and are connected to a power feeding portion (not shown) in the groove 3a. Then, the power supply is connected to the lighting circuit provided in the luminaire main body 4 through the hooking ceiling rosette 1.

When removing the luminaire main body 4 from the connector 3, it is sufficient to lower the luminaire main body 4 downward while pressing the release button 9 provided around the lower opening of the fitting hole 5.
In this case, the locking claw 6 is retracted into the lighting device main body 4 in association with the pressing operation of the release button 9, the engagement state with the locking recess 7 is released, and the lighting device main body 4 can be removed. Become. In the figure, L is an annular fluorescent lamp to be mounted in the socket 10 arranged on the lower surface side of the luminaire main body 11,
Is a glove that is detachably attached to the lower surface of the luminaire main body 4.

The above-described configuration for mounting the lighting fixture is so-called one-touch mounting and removal of the lighting fixture on the ceiling, but since the load of the lighting fixture is directly applied to the hook blade 2 of the connector 3. , Equipment weight is, for example, 5 Kg
Limited to. Therefore, when installing a heavier lighting fixture, fold it in a U shape as shown in Fig. 16,
Using the hooking metal fitting 12 which is fitted between the both side pieces by fitting the connector 3 and is attached to the connector 3 so as to be vertically movable. In the case of the embedded type hooking sealing rosette 1'as shown in FIGS. The upward projection 13b formed on the tip of the ear hook 13a for hooking the fixture of the lighting fixture mounting bracket 13 shown in FIG.
In the case of the square or round hook ceiling rosette 1 as shown in FIGS. 9 and 20, an annular illumination is provided on the ceiling around the hook ceiling rosette 1 so as to surround the hook ceiling rosette 1 as shown in FIG. Instrument mounting bracket 14
On the upward protrusions 14b formed at the tips of the ears 14a protruding outwards on both sides of the extension piece 12a, which is bent outward from the upper ends of both side pieces of the hook metal fitting 12 and extended outward, , The device hooking ear 13a or 14a
The projection 13b or 14b is engaged with the hooking hole 12c formed in the hooking piece 12b, and the load of the lighting fixture is received by the lighting fixture mounting bracket 13 or 14 while being placed on top.

FIG. 21 shows a case where the connector 3 is attached to the embedded hook ceiling rosette 1'using hook metal fittings 12, and reference numeral 15 in the drawing penetrates the central piece of the hook metal fitting 12 to prevent the fitting. Connector 3 with the mounting screws shown
A hook metal 12 is slidably inserted into a screw hole on the lower surface so that the hook 12 can be moved up and down with respect to the connector 3.

[0006]

[Means for Solving the Problems] FIGS.
In the case of the embedded hook ceiling rosette 1'shown in Fig. 1, on a line orthogonal to the line connecting the positions of the pair of blade reception parts 8 formed point-symmetrically with respect to the center on the same circumference, The ear part 13 for hooking the fixture of the above-mentioned lighting fixture fitting 13
However, in the case of the square or round hook ceiling rosette 1 as described above, the lighting fixture mounting bracket 14 is a separate body, and the ceiling ceiling is separate from the hook ceiling rosette 1. For mounting, the line connecting the positions of both ears 14a of the lighting fixture mounting bracket 14 and the position connecting the position of the blade receiving portion 16 of the hooking sealing rosette 1 are not always aligned at right angles. Absent.

Therefore, when the hook metal fitting 12 is attached to the connector 3 as described above and the load of the lighting equipment is received, when the hook metal fitting 12 cannot properly correspond to the ear hook 13a of the lighting equipment mounting metal fitting 13. was there. The present invention has been made in view of the above-mentioned problems, and an object thereof is to position the mounting position of the lighting fixture mounting bracket so that the mounting position is correct with respect to a separate hook ceiling rosette. (EN) Provided is a mounting positioning adapter for a lighting fixture mounting bracket for a hook ceiling rosette.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the present invention provides a blade receiving member for a hooking ceiling rosette mounted on a ceiling on the upper surface of a central piece of an adapter body formed in a substantially U shape. A pair of fitting ribs that fit into the opening of the center part are projected on the upper surface of the center piece, and the hook ceiling rosette is fitted into the center window hole and attached to the ceiling. However, a support portion for supporting the lighting fixture mounting bracket from below is provided on the upper portion of both side portions of the adapter body so as to be positioned on a line orthogonal to the line connecting the positions of the pair of fitting ribs.

[0009]

Thus, according to the present invention, when attaching a lighting fixture fitting to a round or square hook ceiling ceiling mounted on the ceiling, the fixture fitting support the adapter body. Supported from below. This support portion is located on a line orthogonal to the line connecting the positions of the pair of fitting ribs projecting on the upper surface of the central piece of the adapter body with the device hooking ears projecting on both sides of the lighting fixture mounting bracket. In order to support the lighting fixture mounting bracket from below, the fitting rib is fitted into the opening of the blade reception part by contacting the upper surface of the central piece of the adapter body with the lower surface of the hook ceiling rosette, and The line connecting the positions of the ears for fixture hooking is orthogonal to the line connecting the positions of the openings of the plug blade receiving parts of the hook ceiling rosettes. The position of the part and the position of the blade receiving part of the hooking sealing rosette can be brought into a correct positional relationship.

[0010]

EXAMPLES The present invention will be described below with reference to examples. (Embodiment 1) FIGS. 1 to 7 show the present embodiment, and an adapter body 20 is made of a resin molded product as shown in FIGS. 4 to 7, and includes a central piece 20a and side pieces 20b, 20b. The central piece 20a is formed in a U shape, and the central portion thereof is formed in a disk shape. The hook sealing rosette 1 is provided at both sides of the upper surface of the disk portion orthogonal to a line connecting the both side pieces 20b, 20b.
The fitting ribs 21 each having a horizontal cross section having the same shape as the opening shape of the blade receiving portion 8 of the above are projectingly provided, and the fitting ribs 21 can be fitted into the blade receiving portion 8 of the hooking sealing rosette 1. It is like this.

The side piece 20 is provided on the upper ends of the side pieces 20b, 20b.
Support piece 20 integrally formed to extend outward at a right angle to b
c and 20c are provided, and the groove 2 that fits the downward peripheral edge of the lighting fixture mounting bracket 14 on both sides of the top surface of each support piece 20c.
2 and the instrument hooking ears 14a formed in a direction orthogonal to the direction of the groove 22 and projecting outward from both sides of the lighting fixture mounting bracket 14 are fitted to the upper surface of the support piece 20c. A pair of ribs 24 are formed so as to form a groove 23 in which the portion 14a is placed, respectively.

Further, each support piece 20c is provided with a large hole 26 corresponding to the mounting screw insertion hole 25 of the lighting fixture mounting bracket 14, and the inner diameter of the large hole 26 is made larger than the outer diameter of the head of the mounting screw 27. ing. Thus, the lighting fixture mounting bracket 14 is attached to the ceiling X by using the adapter body 20 formed as described above.
As shown in Figs. 1 and 2,
The tool hooking ears 14a on both sides of the lighting mounting bracket 14 are provided in the grooves 23 on the upper surfaces of both the support pieces 20c, 20c of the adapter body 20.
And fitting the ends of the downward peripheral edge of the lighting fixture mounting bracket 14 located on both sides of the fixture hooking ear 14a into the groove 22 so that the fixture hooking ear is provided on the upper surfaces of both support pieces 20c, 20c. 14a are mounted respectively. In this state, the ribs 24 on both sides of the groove 23 restrict the movement of the instrument hooking ear portion 14a.

Next, with the luminaire mounting bracket 14 supported by the adapter body 20 in this manner, the round or hook ceiling rosette 1 already mounted on the ceiling X is installed in the central window hole of the luminaire mounting bracket 14. Each fitting rib 2 of the central piece 20a of the adapter body 20 while being fitted from above
1 is inserted into the corresponding opening of the blade receiving portion 8 of the hook sealing rosette 1, and the upper surface of the central piece 20a is brought into contact with the lower surface of the hook sealing rosette 1. In this state, the upper surface of the luminaire mounting bracket 14 is just in contact with the ceiling X, and both sides of the luminaire mounting bracket 14 are on a line orthogonal to the line connecting the positions of the blade receiving portions of the hooking sealing rosette 1. The instrument hooking ear portion 14a is located.

In this state, the support piece 2 of the adapter body 20
Large holes 26 provided in 0c and 20c, and lighting fixture mounting bracket 1
Mounting screw 27 through the mounting screw insertion hole 25 of 4
Is screwed into the ceiling X, and the lighting fixture mounting bracket 14 is fixed to the ceiling X as shown in FIG. In this state, the adapter body 20
If is lowered downward, only the lighting fixture mounting bracket 14 remains fixed to the ceiling X.

FIG. 8 shows the lighting fixture mounting bracket 14 as described above.
FIG. 6 is a cross-sectional view showing a state in which the lighting fixture is attached using the connector 3 to which the hook metal fitting 12 is attached after fixing the to the ceiling X. Since the method of mounting the lighting fixture is the same as the conventional example, the description thereof will be omitted. (Embodiment 2) The adapter body 20 of the above-mentioned Embodiment 1 has a support piece 20c in a direction orthogonal to the position of the fitting rib 21.
20c is provided to support the instrument hooking ear 14a of the lighting fixture mounting bracket 14, the present embodiment shown in FIGS. 9 to 14 shows the side piece 20 on the line connecting the positions of the fitting ribs 21.
b and 20b are provided, and the side pieces 20b and 20b are projected downward at the upper end of the side pieces 20b and 20b at a position orthogonal to the position of the instrument hooking ear 14a of the lighting fixture 14, as shown in FIG. A hole 28 forming a support portion for fitting and supporting a projecting piece 14c for locking a device hanging chain or the like is provided, and by fitting the projecting piece 14c into the hole 28, an instrument hooking ear portion. The position of 14a is located at a right angle to the position of the fitting rib 21.

The procedure for mounting the lighting fixture mounting bracket 14 on the ceiling X is the same as that of the first embodiment, but the lighting fixture mounting bracket 14 is fixed to the ceiling X by exposing the lighting fixture mounting bracket 14 on both sides of the adapter body 20. The mounting screw 27 is directly inserted into the mounting screw insertion hole 25 of 14 and is screwed into the ceiling X.

[0017]

As described above, according to the present invention, a pair of fitting ribs that fit into the openings of the blade receiving portions of the ceiling-mounted hooking rosettes are formed on the upper surface of the central piece of the adapter body formed in a substantially U shape. A line that connects the positions of the pair of fitting ribs with the fixture hooking ears protruding from both sides of the lighting fixture mounting bracket that projects from the upper surface of the piece and fits the ceiling ceiling rosette into the central window Since the supporting portion for supporting the lighting fixture mounting bracket from below is provided on the upper side of both sides of the adapter body so as to be positioned on a line orthogonal to
When attaching the lighting fixture mounting bracket to a round or square hook ceiling rosette mounted on the ceiling, with the mounting fixture mounting bracket supported from below by the adapter main unit, the center of the adapter main unit Simply by inserting the fitting rib into the opening of the blade reception part so that the upper surface of the piece contacts the lower surface of the hook ceiling rosette, the line connecting the positions of the hook ears on the appliance hooks on both sides automatically becomes the plug of the hook ceiling rosette. It is possible to make it orthogonal to the line that connects the opening positions of the blade receiving part, so in that state simply attach the lighting fixture mounting bracket to the ceiling and the position of the ear for hooking the fixture and the blade receiving part of the hanging ceiling rosette. There is an effect that it is possible to establish a correct positional relationship with the position of.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a usage state of Example 1 of the present invention.

FIG. 2 is a bottom view showing a usage state of the first embodiment of the present invention.

FIG. 3 is a cross-sectional view showing a usage state of Example 1 of the present invention.

FIG. 4 is a perspective view of the first embodiment of the present invention.

FIG. 5 is a top view of the first embodiment of the present invention.

FIG. 6 is a side sectional view of the first embodiment of the present invention.

FIG. 7 is a bottom view of the first embodiment of the present invention.

FIG. 8 is a cross-sectional view showing a usage state of the lighting fixture mounting bracket mounted on the ceiling using the first embodiment of the present invention.

FIG. 9 is a top view of the second embodiment of the present invention.

FIG. 10 is a side sectional view of a second embodiment of the present invention.

FIG. 11 is a bottom view of the second embodiment of the present invention.

FIG. 12 is a cross-sectional view showing a usage state of Embodiment 2 of the present invention.

FIG. 13 is a bottom view showing a usage state of the second embodiment of the present invention.

FIG. 14 is a cross-sectional view showing a usage state of Embodiment 2 of the present invention.

FIG. 15 is an exploded perspective view of an example of a lighting fixture using a connector.

FIG. 16 is an exploded perspective view of an example of a lighting fixture using a connector and a lighting fixture mounting bracket.

FIG. 17 is a side view of an embedded hook ceiling rosette.

FIG. 18 is a bottom view of the embedded hook ceiling rosette.

FIG. 19 is a bottom view of the rectangular hook ceiling rosette.

FIG. 20 is a bottom view of a round hook ceiling rosette.

FIG. 21 is a cross-sectional view of an example of using a lighting fixture for explaining a conventional example.

[Explanation of symbols]

 1 Hook ceiling rosette 14 Lighting fixture mounting bracket 14a Hook for fixture 20 Adapter body 20a Central piece 20b Side piece 20c Support piece 21 Fitting rib 25 Mounting screw insertion hole 26 Large hole

Claims (1)

Claim: What is claimed is: 1. A pair of fitting ribs, which are fitted into the openings of the blade receiving portions of the ceiling-mounted hooking rosettes, are formed on the upper surface of the central piece of the adapter body formed in a substantially U shape. The projections on the upper surface of the central piece, and the hooking ceiling rosette is fitted into the central window hole to be attached to the ceiling. Attaching the lighting fixture fittings for hook ceiling rosettes, characterized in that the support parts for supporting the lighting fixture fittings from below are provided on the upper parts of both sides of the adapter body so that they are located on the line orthogonal to the line connecting the Positioning adapter.