JP2000057838A - Fixture for luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fix a hanging bolt of a luminaire directly to a channel material to be mounted with a ceiling material. SOLUTION: This fixture has both raised parts 111 on an open side 112 and a female screw hole 3 to be screwed in with a hanging bolt 180 of a luminaire 170 which is assembled to a channel material 110' by being thrust from the open side 112 to the channel material 110' having an inwardly folded part 114 at the rim of the raised part 111 and is inserted through the bottom plate part 113 and the ceiling material 160 of the channel material 110'. It also has a projecting engagement part 1 which elastically transforms when thrusting it into the channel material 110' and is engaged with the folded part 114 of the channel material 110' at a designated thrusting position and an abutting surface 2 abutting on the upper end 111a of the raised part 111 of the channel material 111' with the projecting engagement part 1 engaged with the folded part 114 of the channel material 110'.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting device which enables a lighting device installed directly on a ceiling to be mounted in a suspended state on a channel material on which a ceiling material is stuck.

[0002]

2. Description of the Related Art A C-shaped channel member 100, which is arranged side by side at a predetermined interval as a ceiling extending structure, is provided with a channel generally called an M bar 110 in a direction substantially orthogonal to the C-shaped channel member 100. The M bar 110 is placed in a suspended state on the C-shaped channel material 100.
The structure of fixing the ceiling material 160 with screws is widely used.
(FIG. 11)

[0003] The M bar 110 has a pair of rising portions 111, 111, and also has an inward folded portion 114 at the edge of the rising portion 111 on the open side 112. And the lower end has a hook 121 inserted into the inside of the M bar 110 and hooked on the folded portion 114 of the both rising portions 111, 111 of the M bar 110, and the upper end side to the C-shaped channel material 100. The M bar 110 is moved to the open side 11 by the hanging member 120 having the hook portion 122.
2 is suspended on the C-shaped channel member 100 as described above with the 2 facing upward. A ceiling member 160 is attached to the bottom plate 113 of the M bar 110 suspended in this manner using screws or the like.

[0004] Further, in such a ceiling-mounted structure, generally, a plurality of the C-shaped channel members 100, 10
Further, a C-shaped channel member 140 is laterally installed on top of 0... A suspension bolt 180 is fixed to the C-shaped channel member 140 thus installed so as to protrude the lower end side through a hole 161 provided in the ceiling member 160. Then, the lower end side of the hanging bolt 180 is attached to the lighting fixture 170, and the lighting fixture 170 is suspended from the ceiling.
(FIG. 11)

[0005] That is, the C-shaped channel member 140 for hanging the lighting fixture 170 has a hook 151 at the lower end of the C-shaped channel member 100 for hanging the M-bar 110 on the upper edge portion 100a. Lighting equipment 17
Connecting member 1 having a holding portion 152 for vertically inserting the hung C-shaped channel material 140 in a sandwiched state.
By 50, it is erected laterally as described above. (Figure 1
2) Also, the upper bent portion 131 that receives the C-shaped channel material 140 laid in the lateral direction in a sandwiched manner.
A hanging member 130 having a lower mounting portion 132 through which an upper end of a hanging bolt 180 of the lighting fixture 170 is inserted and hooked is hung from the C-shaped channel member 140 by the upper bent portion 131. , The lighting fixture 170 is suspended from the C-shaped channel member 140 erected in the lateral direction.

[0006]

However, in such a conventional method of suspending and installing lighting equipment, the M bar 1
Lighting fixture 1 on C-shaped channel material 100 for suspending
The C-shaped channel material 140 for suspending the 70 is required to be further erected as described above, and the connecting member 150 and the like for this need to be separately provided. There was a need for a method to install it.

In the conventional method of suspending and mounting the lighting fixture 170, when the lighting fixture 170 is to be installed immediately below the position where the M bar 110 is arranged, the lighting fixture 170 is placed directly above the M bar 110. Even if the C-shaped channel material 140 for suspending the lighting fixture 170 is arranged, the M bar 1
10 hinders the proper installation of the hanging member 130 suspended from the C-shaped channel material 140, and the lighting fixture 170 cannot be simply installed in some cases.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a fixture which allows a hanging bolt of a lighting fixture to be directly fixed to a channel material on which a ceiling material is attached.

[0009]

In order to achieve the above object, according to the first aspect of the present invention, a lighting fixture has the following configurations (1) to (3). And (1) From the open side of the channel material, the channel material into which the ceiling material is stuck, the channel material being open at the top surface and having inwardly folded portions at both rising edges on the open side. A lighting device which has a female screw hole into which a hanging bolt of a lighting fixture screwed into the channel material is inserted into the channel material by being pushed into the channel material and being inserted through a bottom plate portion and a ceiling material of the channel material. A fixture for the appliance, (2)
The fitting is elastically deformed when pushed into the inside of the channel material, or elastically deforms both rising portions of the channel material, and engages with the folded portion of the channel material at a predetermined pushing position. And (3) an abutting surface that abuts on an upper end of a rising portion of the channel material when the engaging projection is engaged with the folded portion of the channel material.

[0010] According to this structure, the lower end of the suspension bolt for screwing the upper end to the female screw hole and projecting the lower end downward is projected downward through the insertion hole formed in the channel material. In the state, by pushing the fixture into a predetermined position of the channel material,
The attachment can be hooked on the channel material in a direction in which the attachment does not come out again from the open side of the channel material.

The lighting fixture screwed to the lower end of the hanging bolt by the abutting surface abutting on the upper end of the rising portion of the channel material is connected to the channel material via the hanging bolt and the mounting tool. The lighting fixture can be mounted on the ceiling at a predetermined position where the top plate surface of the lighting fixture is in close contact with the ceiling surface, for example.

According to the second aspect of the present invention, the mounting device according to the first aspect is formed in a plate-like shape further provided with a projecting portion for engaging the folded portion of the channel material on each of the opposed side portions. In addition, this engaging projection is configured as a plate-shaped claw piece, and furthermore, the protruding end of the claw piece provided on one facing side and the claw piece provided on the other side. The dimension between the protruding end is slightly larger than the dimension between the protruding end of one of the folded portions of the two rising portions of the channel material and the other protruding end, and the claw piece faces the protruding end, It is configured to be inclined outwardly outwardly from the side to be pushed into the channel material toward the front side.

According to this configuration, the nail piece can be smoothly inwardly and elastically deformed inward while the nail piece is in contact with the folded portion of the rising portion due to the inclination of the nail piece. At the position where the protruding end of the piece climbs over the protruding end of the folded portion of the rising portion, the claw side is elastically deformed outward, and by this elastic deformation,
The claw and the folded portion can be engaged with each other such that the claw is hooked inside the folded portion in the rising portion.

According to a third aspect of the present invention, the mounting device according to the first aspect further comprises a plate-like shape having, on each of the opposed side portions, a projection for engaging with the folded portion of the channel material. And the dimension between the top end of the engaging projection provided on one of the opposed sides and the top end of the engaging projection provided on the other side is one of the two rising portions of the channel material. Is slightly larger than the dimension between the protruding end of the folded portion and the other protruding end, and the engaging protruding portion is directed outward toward the top end from the side to which the channel material is pushed into the channel material toward the front side. The configuration has an inclined surface.

According to this structure, while the inclined surface of the engaging projection is in contact with the folded portion of the rising portion, the base side of the rising portion is substantially centered.
The rising portion can be elastically deformed outward without difficulty.After that, the rising portion is elastically deformed inward at a position where the top end surface of the engaging projection has passed over the protruding end of the folded portion of the rising portion. By this elastic deformation, the engaging projection and the folded portion can be engaged so that the engaging surface of the engaging projecting portion abuts on the protruding end of the folded portion in the rising portion.

Further, in the invention according to claim 4, the lighting fixture is provided with the following configurations (1) to (3). (1) From the open side of the channel material, the channel material into which the ceiling material is stuck, the channel material being open at the top surface and having inwardly folded portions at both rising edges on the open side. While being pushed into the channel material and assembled to the channel material, the upper end side of the hanging bolt of the lighting fixture is passed through the bottom plate portion and the ceiling material of the channel material and passed therethrough. A fixture for a lighting fixture integrally provided in a fixed state, (2) the fixture elastically deforms when pushed into the inside of the channel material,
Alternatively, both rising portions of the channel material are elastically deformed, and a hooking portion that engages with the folded portion of the channel material at a predetermined pushing position; and (3) the hooking portion is attached to the folded portion of the channel material. In the hooked state,
And an abutting surface that abuts on the upper end of the rising portion of the channel material.

According to this configuration, the lower end of the suspension bolt, whose upper end is fixed to the fixture and whose lower end protrudes downward, is projected downward through the insertion hole formed in the channel material. By pushing the attachment into the predetermined position of the channel material, the attachment can be engaged with the channel material in a direction in which the attachment does not come out again from the open side of the channel material.

The lighting fixture screwed to the lower end of the hanging bolt by the abutting surface abutting on the upper end of the rising portion of the channel material is connected to the channel material via the hanging bolt and the mounting tool. The lighting fixture can be mounted on the ceiling at a predetermined position where the top plate surface of the lighting fixture is in close contact with the ceiling surface, for example.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A typical embodiment of a lighting fixture according to the present invention will be described below.

(First Embodiment) First, the embodiment shown in FIGS. 1 to 4 will be described.

FIG. 1 is a cross-sectional view of a part of the lighting fixture 170, the ceiling member 160, and the channel member 110 'so that the entire structure of the fixture T1 according to this embodiment can be easily understood. The attachment T1 attached to the channel member 110 'and the suspension bolt 180 attached to the attachment T1 in a suspended manner are shown in a perspective view. FIG. 2 shows the state of FIG. 1 in a longitudinal section. 3 shows a state in which the mounting tool T1 is viewed from the upper surface side, and FIG. 4 shows a state in which the mounting tool T1 is viewed from the right side in FIG.

The fixture T1 of the lighting fixture 170 according to this embodiment uses the channel member 110 'into which the ceiling member 160 is attached so that the lighting fixture 170 installed on the ceiling is suspended. It is to be.

In the drawing, reference numeral 162 denotes a ceiling base material, and reference numeral 163 denotes a ceiling finishing material. These ceiling materials 160 are provided at least with respect to the channel material 110 ′ installed horizontally,
It is inserted sideways by using screws. More specifically, the channel member 110 ′ is provided on each of the long bottom plate portion 113 and both side portions of the bottom plate portion 113 along the length direction, and protrudes in a direction substantially orthogonal to the bottom plate portion 113. Rising section 1 provided
11 And such channel material 110 '
Is installed such that the bottom plate 113 is disposed on the lower side, and the pair of rising portions 111, 111, that is, the open side 112 is disposed on the upper side. A ceiling base material 162 is attached to the bottom plate 113 of the channel material 110 ′ thus installed, and at least the lower surface of the ceiling base material 162 and the bottom plate portion of the channel material 110 ′. By screwing a screw into the ceiling base material 1
Reference numeral 62 is attached to the channel material 110 'and is attached as described above. The channel member 110 ′ also has an inward folded portion 114 extending along the length direction of the rising portion 111 at each of the edges of the pair of rising portions 111 and 111 on the open side 112.
The folded portion 114 is provided with the rising portion 1 as the channel material 110 ′ moves toward the bottom plate portion 113.
11 is provided so as to gradually move away from the inner surface, the upper surface is an inclined surface 114a, and the protruding end 114b protrudes toward the bottom plate 113 side.

The attachment T1 according to this embodiment
Illuminates the channel member 110 ′ (generally referred to as the M-bar 110) configured in this manner with the lighting fixture 17.
0 is directly attached in a suspended manner.
That is, the upper end of the suspension bolt 180 inserted into the insertion hole 113a so that the lower end protrudes downward from the insertion hole 113a formed in the bottom plate portion 113 of the channel material 110 ', and
The channel material 11 so as not to fall out from the 0 'side.
It is intended to be attached to the 0 'side with one touch. The lighting fixture 1 for the hanging bolt 180
The installation of 70 is generally accomplished by installing ceiling material 160
This is done by fastening a nut 181 to the lower end of the suspension bolt 180 protruding downward through the insertion hole 161 formed in the ceiling plate 171 and the hole 172 formed in the top plate 171 of the lighting fixture 170.

That is, the mounting tool T1 according to this embodiment (1) is elastically deformed when the channel material 110 'is pushed from the open side 112 to the inside of the channel material 110', so that the predetermined pushing position is obtained. And (2) the hook 110 is engaged with the folded portion 114 of the channel member 110 ′, and the channel member 110 ′ is engaged with the hook portion 1 of the channel member 110 ′. Rising part 111
And (3) the suspension bolt 180 of the lighting fixture 170 inserted through the insertion hole 113a of the channel member 110 'as described above. And a female screw hole 3 to be screwed.

Therefore, according to the fitting T1, the lower end side of the suspension bolt 180 for screwing the upper end side to the female screw hole 3 and projecting the lower end side downward is formed in the insertion hole formed in the channel material 110 '. In the state in which it is made to protrude downward through 113a,
Is pushed into the predetermined position of the channel material 110 ', whereby the mounting tool T1 can be engaged with the channel material 110' in a direction in which the mounting tool T1 does not come out of the open side 112 of the channel material 110 'again. Then, the lighting fixture 170 screwed to the lower end side of the hanging bolt 180 by the abutting surface 2 abutted against the upper end 111a of the rising portion 111 of the channel material 110 'is connected to the hanging bolt 180 and the mounting fixture T1. The channel material 110 'can be supported at the upper end 111a of the rising portion 111 of the channel member 110', and can be attached to the ceiling at a predetermined position where the top plate 171 is in close contact with the ceiling, for example.

More specifically, in this embodiment, such a mounting tool T1 has a flat plate-shaped substrate portion 4, and has the female screw hole 3 at the center thereof, and faces each other. Each of the pair of side portions has a pair of engaging projections 1, 1 at an interval. (Hereinafter, the side portion of the substrate portion 4 on which the hooking projection 1 is provided is referred to as a mounting side portion 4a.)

In this embodiment, the engaging projection 1 comprises a pair of opposed mounting side portions 4a,
4a, that is, the mounting side 4a
Are provided at the side edges where the adjacent side portions in the direction orthogonal to the right side contact each other.

In this embodiment, each of the engaging projections 1, 1... Has one end integrally connected to the substrate part 4 and is pushed into the channel member 110 '.
At the tip of a plate-shaped protruding piece 1a provided so as to protrude toward the substrate portion 4, the protruding piece 1b is formed as an outwardly-facing plate-like claw piece 1b that is folded in a direction protruding toward the substrate unit 4 side.

Further, the claw piece 1b is configured so as to incline outwardly from the side 5 to be pushed into the channel material 110 'toward the front side 6 toward the protruding end 1d side. An inclined surface 1c is provided to facilitate pushing the channel material 110 'on the pushing destination side 5 into the inside of the channel material 110'.

The nail piece 1b is provided between the protruding end 1a and the lower surface of the substrate portion 4 so as to have a predetermined space.

The protruding end 1d of the claw 1b provided on one of the opposed mounting side portions 4a of the substrate portion 4 and the protruding end 1d of the claw 1b provided on the other mounting side 4a. Is slightly larger than the dimension between the protruding end 114b of the one folded portion 114 of the rising portions 111 of the channel material 110 'and the other protruding end 114b.

Further, in this embodiment, a portion of the mounting side 4a of the substrate portion 4 which is sandwiched between the bases of the pair of protrusions 1a protrudes outward with respect to the base. The overhang 4
b, one mounting side 4a of the substrate 4
The distance between the end and the end of the other mounting side 4a is the distance between the pair of rising portions 11 in the channel material 110 '.
It is configured to be larger than the interval between the upper ends 111a of the first and the first 111.

As a result, in this embodiment,
(1) A pair of rising portions 111 of the channel material 110 ′, with the mounting side portion 4 a of the substrate portion 4 oriented in the length direction of the channel material 110 ′.
By pushing the fixture T1 from the projecting side of the protruding piece 1a between the 111, the inclined surface 1c of the claw 1b is brought into contact with the inclined surface 114a of the folded portion 114 of the rising portion 111, and The claw 1b side can be elastically deformed inward with the base side of the provided protruding piece 1a substantially as a center. (2) Thereafter, the protruding end 1d of the claw 1b is connected to the rising portion 111. Protruding end 114 of the folded portion 114
b, the claw 1b side is elastically deformed outward. (3) The claw 1b is hooked inside the folded portion 114 of the rising portion 111 by this elastic deformation. Claw piece 1b and folded part 11
4 can be engaged. (4) In this hooked state, the substrate part 4 is placed on the upper end 111a of the rising part 111 of the channel material 110 '.
Of the overhang portion 4b can be abutted from above. That is, in this embodiment, the lower surface of the projecting portion 4 b of the substrate portion 4 is the abutting surface 2.

From the viewpoint of imparting desired elastic deformation characteristics with the base side of the protruding piece 1a provided on the substrate portion 4 being substantially at the center, the mounting tool T1 according to this embodiment is formed of a metal plate. It is preferable to configure by bending or the like.

(Second Embodiment) Next, an embodiment shown in FIGS. 5 to 7 will be described.

FIG. 5 shows the lighting fixture 170, the ceiling member 160, the channel member 110 ', and the like so that the entire structure of the fixture T2 according to this embodiment can be easily understood.
A part of the attachment T2 is shown in a longitudinal section, and the attachment T2 attached to the channel member 110 'and the suspension bolt 180 attached to the attachment T2 in a suspended manner are shown. 6 shows a state in which the mounting tool T2 is viewed from the upper surface side, and FIG. 7 shows a state in which the mounting tool T2 is viewed from the right side in FIG.

The fixture T2 of the lighting fixture 170 according to the present embodiment uses the channel member 110 'into which the ceiling member 160 is attached so that the lighting fixture 170 installed on the ceiling is suspended. It is to be.

In the drawing, reference numeral 162 denotes a ceiling base material, and reference numeral 163 denotes a ceiling finishing material. These ceiling materials 160 are provided at least with respect to the channel material 110 ′ installed horizontally,
It is inserted sideways by using screws. More specifically, the channel member 110 ′ is provided on each of the long bottom plate portion 113 and both side portions of the bottom plate portion 113 along the length direction, and protrudes in a direction substantially orthogonal to the bottom plate portion 113. Rising section 1 provided
11 And such channel material 110 '
Is installed such that the bottom plate 113 is disposed on the lower side, and the pair of rising portions 111, 111, that is, the open side 112 is disposed on the upper side. A ceiling base material 162 is attached to the bottom plate 113 of the channel material 110 ′ thus installed, and at least the lower surface of the ceiling base material 162 and the bottom plate portion of the channel material 110 ′. By screwing a screw into the ceiling base material 1
Reference numeral 62 is attached to the channel material 110 'and is attached as described above. The channel member 110 ′ also has an inward folded portion 114 extending along the length direction of the rising portion 111 at each of the edges of the pair of rising portions 111 and 111 on the open side 112.
The folded portion 114 is provided with the rising portion 1 as the channel material 110 ′ moves toward the bottom plate portion 113.
11 is provided so as to gradually move away from the inner surface, the upper surface is an inclined surface 114a, and the protruding end 114b protrudes toward the bottom plate 113 side.

The attachment T2 according to this embodiment
Illuminates the channel member 110 ′ (generally referred to as the M-bar 110) configured in this manner with the lighting fixture 17.
0 is directly attached in a suspended manner.
That is, the upper end of the suspension bolt 180 inserted into the insertion hole 113a so that the lower end protrudes downward from the insertion hole 113a formed in the bottom plate portion 113 of the channel material 110 ', and
The channel material 11 so as not to fall out from the 0 'side.
It is intended to be attached to the 0 'side with one touch. The lighting fixture 1 for the hanging bolt 180
The installation of 70 is generally accomplished by installing ceiling material 160
This is done by fastening a nut 181 to the lower end protruding downward through the insertion hole 161 formed in the ceiling plate 171 and the hole 172 formed in the top plate 171 of the lighting fixture 170.

That is, the fitting T2 according to the present embodiment has the following features: (1) When the channel member 110 'is pushed from the open side 112 of the channel member 110' to the inside of the channel member 110 ', the rising portion of the channel member 110' 111 is elastically deformed outward, and the folded portion 11 of the channel material 110 ′ is pressed at a predetermined pushing position.
And (2) the upper end 111a of the rising portion 111 of the channel material 110 '(that is, the upper end 111a of the rising portion 111 of the channel material 110'). Folding part 11
(3) the female screw hole 9 for screwing the suspension bolt 180 of the lighting fixture 170 inserted into the insertion hole 113a of the channel material 110 'as described above. Have.

Therefore, according to the fitting T2, the lower end of the suspension bolt 180 for screwing the upper end to the female screw hole 9 and projecting the lower end downward is formed in the insertion hole formed in the channel material 110 '. In the state in which it is made to protrude downward through 113a,
Is pushed into the predetermined position of the channel material 110 ', whereby the mounting tool T2 can be engaged with the channel material 110' in a direction in which the mounting tool T2 does not come out of the open side 112 of the channel material 110 'again. Then, the lighting fixture 170 screwed to the lower end side of the hanging bolt 180 by the abutting surface 8 abutted against the upper end 111a of the rising portion 111 of the channel material 110 'is connected to the hanging bolt 180 and the mounting fixture T2. The channel material 110 'can be supported at the upper end 111a of the rising portion 111 of the channel member 110', and can be attached to the ceiling at a predetermined position where the top plate 171 is in close contact with the ceiling, for example.

More specifically, in this embodiment, the attachment T2 is configured as a disk-shaped body 10 and has the female screw hole 9 at the center thereof.
Furthermore, each of the pair of facing side portions has a pair of the engaging projections 7 at an interval. (Hereinafter, the side of the board-shaped body 10 on the side where the hooking projection 7 is provided,
It is referred to as the mounting side 10b. )

In this embodiment, the disk 1
An insertion hole 10a of the hanging bolt 180 is provided in a penetrating state from the lower surface side to the upper surface side of 0, and the female screw hole 9 communicates with the insertion hole 10a on the upper side of the board-shaped body 10. The nut 11 is provided in an embedded state. The nut 11 is embedded so that the upper end surface is substantially flush with the upper surface of the disk-shaped body 10. In this embodiment, the disc-shaped body 10 is formed by integrally molding a plastic material using the nut 11 as an insert.
The embedded state can be stably maintained by the outer flange 11a provided on the lower end side of the rim.

In this embodiment, the engaging projection 7 is provided with a pair of opposed mounting side portions 1.
At 0b and 10b, each is formed so as to cover the entire width thereof.

In this embodiment, each of the engaging projections 7, 7,... Has an engaging surface 7a directed toward the upper surface of the disk-shaped body 10, and a direction substantially orthogonal to the engaging surface 7a. A top end surface 7b and the disk-shaped body 10 on the top end surface 7b.
And an inclined surface 7c which is gradually inclined toward the lower surface side of the disk-shaped body 10 in the direction of decreasing the height of the engaging projection 7 following the terminal end directed toward the lower surface side of the disk-shaped body 10. That is, in this embodiment, the engaging protrusion 7 is pushed toward the top end surface 7b into the channel material 110 '.
Inclined surface 7c inclined outwardly from the front toward the front
have.

Further, in this embodiment, the engaging surfaces 7a of the board-like body 10 are located above the engaging surfaces 7a of the engaging protrusions 7 respectively.
Overhang 10 provided at a predetermined interval between
c is formed.

The top end surface 7b of the engaging projection 7 provided on one of the opposed mounting side portions 10b of the board 10 and the top end of the engaging projection 7 provided on the other mounting side portion 10b. The distance between the protruding end 114b of one of the folded portions 114 of the rising portions 111 of the channel material 110 'and the other protruding end 114
It is made slightly larger than the dimension between b.

In this embodiment, the distance between the side surfaces along the vertical direction of the disk-shaped body 10 in the projecting portions 10c on both sides of the disk-shaped body 10 is the same as that of the channel material 110 '. A pair of rising portions 111, 1
It is configured to be larger than the interval between the upper ends 111a of the eleventh.

As a result, in this embodiment,
(1) The attachment side portion 10 of the board 10
b is a direction along the length direction of the channel material 110 ′, and a pair of rising portions 1 of the channel material 110 ′.
By pushing the mounting tool T2 from the side where the hooking projection 7 is provided between 11 and 111, the inclined surface 7c of the hooking projection 7 comes into contact with the inclined surface 114a of the folded portion 114 of the rising portion 111. The rising portion 111 can be elastically deformed outward with the base side of the rising portion 111 being substantially at the center. (2) After that, the top end face 7b of the engaging projection 7 is Protruding end 114b of folded portion 114
The rising portion 111 is elastically deformed inward at a position beyond the position (3). (3) Due to the elastic deformation, the engaging surface 7a of the engaging projection 7 projects to the protruding end 114b of the folded portion 114 in the rising portion 111. The engagement protrusion 7 and the folded back portion 114 can be engaged so as to make contact. (4) In this hooked state, the upper end 11 of the rising portion 111 of the channel material 110 ′
1a, the protruding portions 10 of the board
The lower surface of c can be abutted from above. That is, in this embodiment, the lower surface of the projecting portion 10c of the disk-shaped body 10 is the abutting surface 8.

(Third Embodiment) Next, the embodiment shown in FIGS. 8 to 10 will be described.

FIG. 8 shows the lighting fixture 170, the ceiling material 160, the channel material 110 ', and the like so that the entire structure of the fixture T3 according to this embodiment can be easily understood.
A part of the attachment T3 is shown in a longitudinal section, and the attachment T3 attached to the channel material 110 'is shown. 9 shows a state in which the mounting tool T3 is viewed from the upper surface side, and FIG. 10 shows a state in which the mounting tool T3 is viewed from the right side in FIG.

The fixture T3 of the lighting fixture 170 according to the present embodiment uses the channel member 110 'into which the ceiling member 160 is attached so that the lighting fixture 170 installed on the ceiling is suspended. It is to be.

In the figure, reference numeral 162 denotes a ceiling base material, and reference numeral 163 denotes a ceiling finishing material. These ceiling materials 160 are provided at least with respect to the channel material 110 ′ installed horizontally,
It is inserted sideways by using screws. More specifically, the channel member 110 ′ is provided on each of the long bottom plate portion 113 and both side portions of the bottom plate portion 113 along the length direction, and protrudes in a direction substantially orthogonal to the bottom plate portion 113. Rising section 1 provided
11 And such channel material 110 '
Is installed such that the bottom plate 113 is disposed on the lower side, and the pair of rising portions 111, 111, that is, the open side 112 is disposed on the upper side. A ceiling base material 162 is attached to the bottom plate 113 of the channel material 110 ′ thus installed, and at least the lower surface of the ceiling base material 162 and the bottom plate portion of the channel material 110 ′. By screwing a screw into the ceiling base material 1
Reference numeral 62 is attached to the channel material 110 'and is attached as described above. The channel member 110 ′ also has an inward folded portion 114 extending along the length direction of the rising portion 111 at each of the edges of the pair of rising portions 111 and 111 on the open side 112.
The folded portion 114 is provided with the rising portion 1 as the channel material 110 ′ moves toward the bottom plate portion 113.
11 is provided so as to gradually move away from the inner surface, the upper surface is an inclined surface 114b, and the protruding end 114a protrudes toward the bottom plate 113 side.

The attachment T3 according to this embodiment
Illuminates the channel member 110 ′ (generally referred to as the M-bar 110) configured in this manner with the lighting fixture 17.
0 is directly attached in a suspended manner.
That is, the upper end of the suspension bolt 180 inserted into the insertion hole 113a so that the lower end protrudes downward from the insertion hole 113a formed in the bottom plate portion 113 of the channel material 110 ', and
The channel material 11 so as not to fall out from the 0 'side.
It is intended to be attached to the 0 'side with one touch. The lighting fixture 1 for the hanging bolt 180
The installation of 70 is generally accomplished by installing ceiling material 160
This is done by fastening a nut 181 to the lower end protruding downward through the insertion hole 161 formed in the ceiling plate 171 and the hole 172 formed in the top plate 171 of the lighting fixture 170.

That is, the mounting tool T3 according to the present embodiment is configured such that (1) when the channel material 110 'is pushed from the open side 112 of the channel material 110' to the inside of the channel material 110 ', the rising portion of the channel material 110' 111 is elastically deformed outward, and the folded portion 11 of the channel material 110 ′ is pressed at a predetermined pushing position.
4 and (2) the engaging protrusion 12
In a state where is hooked on the folded portion 114 of the channel material 110 ′, the channel material 110 ′ is provided with an abutment surface 13 that abuts against the upper end 111 a of the rising portion 111 (that is, the base of the folded portion 114). 3) As described above, the lighting fixture 1 inserted from above into the insertion hole 113a of the channel material 110 '.
The upper ends of the 70 suspension bolts 180 are integrally provided in a fixed state.

Therefore, according to the attachment T3, the lower end of the suspension bolt 180 having the upper end integrally fixed to the attachment T3 and the lower end protruding downward is inserted into the channel member 110 '. Hole 113
The fitting T3 is pushed into a predetermined position of the channel material 110 'in a state where the fitting T3 is protruded downward through "a", so that the fitting T3 does not come out again from the open side 112 of the channel material 110'. The tool T3 can be hooked on the channel material 110 '. And, the channel material 110 '
The lighting fixture 170 screwed to the lower end of the suspension bolt 180 by the abutment surface 13 abutted against the upper end 111a of the rising portion 111 of the suspension bolt 1
80 and the mounting member T3, the channel material 11
Supported by the upper end 111a of the rising portion 111 of 0 ',
For example, it can be attached to the ceiling at a predetermined position where the top plate 171 is in close contact with the ceiling surface.

More specifically, in this embodiment, the attachment T3 is configured as a plate-like body 14 and has a central portion at the upper end side of the hanging bolt 180, here, The head 182 side is integrally provided in an embedded state. Furthermore, a pair of engaging projections 12 are provided on a pair of facing side portions at intervals. (Hereinafter, the side of the board-like body 14 on which the engaging projection 12 is provided is referred to as an attachment side 14a.)

In this embodiment, the head 182 of the suspension bolt 180 has a hexagonal shape.
Is substantially the same as the upper surface of the disk-shaped body 14. Further, a bulging portion 183 is formed at an intermediate portion of the hanging bolt 180, and the hanging bolt 180 is also formed at the bulging portion 183.
Are embedded in the disk-shaped body 14, and the disk-shaped body 14
And the hanging bolt 180 is secured in a high state. The fixing of the suspension bolt 180 to the plate-like body 14 on the side of the head 182 is typically performed by forming the plate-like body 14 from a plastic material. This can be achieved by using an insert in the molding die.

In this embodiment, the engaging projection 12 is formed so as to extend over the entire width of the pair of opposed mounting side portions 14a, 14a.

In this embodiment, each engaging projection 1
2, a hooking surface 12 a facing the upper surface of the board 14, a top end surface 12 b substantially perpendicular to the hooking surface 12 a, and the board 1 on the top end surface 12 b.
4 is provided with an inclined surface 12c that is gradually inclined toward the lower surface side of the disk-shaped body 14 in the direction of decreasing the height of the engaging protrusion 12 following the terminal end directed toward the lower surface side of the disk-shaped member 14. That is, in this embodiment, the engaging projection 12 is inclined outwardly from the side 5 to be pushed into the channel material 110 'toward the front end surface 12b toward the front side 12b. It has a surface 12c.

Further, in this embodiment, the upper side of the engaging surface 12a of the engaging projection 12 and the two attaching side portions 14a, 14a of the disc-shaped body 14 are respectively connected to the engaging surface 12a. An overhang portion 14b is formed at a predetermined interval therebetween.

The engaging projection 12 provided on one of the opposed mounting side portions 14a of the board-like body 14.
The dimension between the top end surface 12b of the channel member 110 and the top end surface 12b of the engaging projection 12 provided on the other mounting side portion 14a is the protruding end of one folded portion 114 of both rising portions 111 of the channel material 110 '. The dimension is slightly larger than the dimension between the protruding end 114b and the other protruding end 114b.

In this embodiment, the protrusions 14b on both sides of the board 14
The space between the side surfaces of the board-shaped body 14 along the vertical direction is configured to be larger than the space between the upper ends 111a of the rising portions 111 in the channel material 110 '.

As a result, in this embodiment,
(1) The mounting side portion 14 of the board 14
a is a direction along the length direction of the channel material 110 ′, and a pair of rising portions 1 of the channel material 110 ′
By pushing the mounting tool T3 from the side where the engaging projection 12 is provided between 11 and 111, the inclined surface 12c of the engaging projection 12 comes into contact with the inclined surface 114a of the folded portion 114 of the rising portion 111. While doing so, the base side of the rising portion 111 is roughly centered,
The rising portion 111 can be elastically deformed outward. (2) Thereafter, the rising portion 111 is positioned at a position where the top end surface 12b of the engaging projection 12 has passed over the protruding end 114b of the folded portion 114 of the rising portion 111. Part 111
Is elastically deformed inward. (3) By this elastic deformation,
The engaging surface 12a of the engaging protrusion 12 is
The engaging projection 12 and the folded portion 114 can be engaged so as to abut against the protruding end 114b of the folded portion 114 in FIG. (4) In this hooked state, the rising portion 1 of the channel material 110 '
The lower surface of the projecting portion 14b of the disk-shaped body 14 can be made to abut against the upper end 111a of the eleventh from above. That is, in this embodiment, the lower surface of the projecting portion 14 b of the board 14 is the abutting surface 13.

[0066]

According to the fixture for a lighting fixture according to the present invention, the fixture can be attached to the channel material with one touch by pushing the fixture inside the channel material in which the ceiling material is stuck. The hanging bolts of the lighting fixture can be directly fixed to the channel material via the fittings attached in this manner, and the installation and installation of the lighting fixture on the ceiling can be facilitated and simplified. In addition, the lighting device can be hung and installed without any trouble at a location where the channel material is arranged, and has a feature that the degree of freedom of an installation position when the lighting device is installed on the ceiling can be increased.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of an attachment T1 according to a first embodiment.

FIG. 2 is a longitudinal sectional view showing a use state of the attachment T1 according to the first embodiment.

FIG. 3 is a plan view of the attachment T1 according to the first embodiment.

FIG. 4 is a side view of the attachment T1 according to the first embodiment;

FIG. 5 is a longitudinal sectional view showing a use state of a mounting tool T2 according to a second embodiment.

FIG. 6 is a plan view of a fixture T2 according to a second embodiment.

FIG. 7 is a side view of a fixture T2 according to the second embodiment.

FIG. 8 is a longitudinal sectional view showing a use state of a mounting tool T3 according to a third embodiment.

FIG. 9 is a plan view of a fixture T3 according to the third embodiment.

FIG. 10 is a side view of an attachment T3 according to the third embodiment.

FIG. 11 is a perspective view showing a conventional installation structure of a lighting fixture on a ceiling.

FIG. 12 is an enlarged perspective view showing a part of a conventional installation structure of a lighting fixture on a ceiling.

[Explanation of symbols]

 110 'Channel material 111 Rising portion 111a Upper end 112 Open side 113 Bottom plate portion 114 Folding portion 160 Ceiling material 170 Lighting fixture 180 Hanging bolts 1, 7, 12 Hanging projections 2, 8, 13 Butting surfaces 3, 9 Female screw holes

Claims (4)

[Claims] 1. A channel material to which a ceiling material is attached, wherein the channel material has an open top surface and has inward folded portions at both rising edge portions on the open side. The female screw hole which is pushed into the channel material from the side and is assembled to the channel material, and which is screwed into a hanging bolt of a lighting fixture inserted through the bottom plate portion and the ceiling material of the channel material. A fixture for a lighting fixture having the channel, which is elastically deformed when pushed into the channel material, or elastically deforms both rising portions of the channel material, and the channel is pressed at a predetermined pushed position. A hook that engages the folded portion of the channel material; and a state in which the hook is engaged with the folded portion of the channel material. Fitting of the luminaire, characterized in that it has an abutment surface which abuts the upper end of the rising portion of the channel member. 2. The mounting device is formed in a plate-like shape having engaging projections on the folded portions of the channel material on opposite sides, and the engaging projections are formed as plate-like claw pieces. In addition, the dimension between the protruding end of the claw provided on one of the opposed sides and the protruding end of the claw provided on the other side is the same as that of the two rising portions of the channel material. The dimension is slightly larger than the distance between the protruding end of one of the folded portions and the other protruding end, and the claw piece is outwardly spread toward the protruding end from the push-in side to the channel material toward the near side. The fixture for a lighting fixture according to claim 1, wherein the fixture is inclined. 3. The mounting fixture is formed in a disk shape having a projection on the turned-back portion of the channel material on each of the opposed sides, and an engagement projection provided on one of the opposed sides. The dimension between the top end of the part and the top end of the engaging projection provided on the other side,
The dimension is slightly larger than the distance between the protruding end of one of the folded portions of the rising portions and the other protruding end of the channel material, and the engaging protruding portion is directed toward the top end, from the side where the channel material is pushed into the channel material. The fixture for a lighting fixture according to claim 1, wherein the fixture has a slope that is inclined outwardly outward toward the near side. 4. A channel material to which a ceiling material is attached, wherein the channel material has an open upper surface and has inwardly folded portions at both rising edges on the open side. From the side, is inserted into the channel material and assembled to the channel material, and the hanging bolt of the lighting fixture is inserted downward through the bottom plate portion and the ceiling material of the channel material, and the upper end of the hanging bolt A fixture for a lighting fixture integrally provided with its side fixed, wherein the fixture is elastically deformed when pushed into the channel material, or elastically deforms both rising portions of the channel material. A hooking portion that engages with the folded portion of the channel material at a predetermined pushing position; In a state of being engaged to the fixture of the lighting fixture, characterized in that it has an abutment surface which abuts the upper end of the rising portion of the channel member.