JPH05282913A - Lamp body mounting device - Google Patents

Abstract

(57) [Summary] [Object] The present invention provides a lamp body attachment device capable of securely and easily fixing a lamp body to a ceiling wall regardless of the weight of the lamp body. [Structure] A lamp mounting device 1 according to the present invention includes a ceiling wall 77.
The flange portion 3 abutting on the one surface side periphery of the mounting hole 77a formed on the mounting hole 77a and the mounting hole 7a fixed on the flange portion 3
7a, and a pair of swing plates 7 and 9 swingably supported by the support bracket 5
And an ascending / descending member 11 which is engaged with one end side of the oscillating plates 7 and 9 and is capable of ascending / descending with respect to the support bracket 5, and an ascending / descending member 11 is oscillated to cause the oscillating plates 7 and 9 to oscillate. An elevating mechanism in which the end side is brought into contact with the periphery of the other surface side of the mounting hole 77a of the ceiling wall 77 to hold the opening edge of the mounting hole 77a of the ceiling wall 77 between the swing plates 7 and 9 and the flange portion 3. It is characterized by comprising 13 and 13.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lamp body mounting device for mounting a lamp body such as a spotlight on a ceiling wall.

[0002]

2. Description of the Related Art A lamp body such as a spotlight is fixed to a mounting hole provided in a ceiling wall by a lamp body mounting device. As such a lamp body mounting device, there has been proposed one in which the flange portion to which the lamp body is mounted is composed of a flange plate and a support plate. In this lamp mounting device, first, the support plate is fixed to the ceiling wall with wood screws, and then the flange portion is fixed to the support plate with long screws, and the lamp fixed to the flange plate is fixed to the ceiling wall through the support plate. It is designed to be fixed to. The power supply cord to the lamp body is connected to the power supply cord that is routed through the flange plate, the support plate, and the mounting hole, respectively.

However, in such a lamp body mounting device,
Since the support plate is fixed to the ceiling wall with wood screws and then the flange plate is fixed to the support plate, the installation work is very troublesome and time-consuming, and there is a problem that workability is poor.

As another lamp attachment device, there has been proposed one in which a pair of leaf springs are attached to a flange plate. In this lamp body mounting device, a leaf spring is inserted into a mounting hole in a ceiling wall, the peripheral edge of the mounting hole is sandwiched between the leaf spring and a flange plate, and the flange plate is fixed to the ceiling wall by the elastic force of the leaf spring. It is like this.

However, the lamp body mounting device using a leaf spring can be applied when the lamp body is light, but when a heavy lamp body is fixed to the ceiling wall, it is supported by the elastic force of the leaf spring. I can't. Therefore, in the lamp body mounting device using the leaf spring, the weight of the lamp body that can be mounted is limited.

[0006]

As described above, in the conventional lamp mounting device, the workability is poor and the weight of the mountable lamp is limited.

[0007] Therefore, an object of the present invention is to provide a lamp body mounting device capable of securely and easily fixing the lamp body to the ceiling wall regardless of the weight of the lamp body.

[0008]

In order to achieve the above object, according to the present invention, a flange portion abutting on one surface side of a mounting hole formed in a ceiling wall and a flange portion fixed on the flange portion are provided in the mounting hole. A supporting member to be inserted, a plurality of swinging members swingably supported by the supporting member, an elevating member that is engaged with one end side of these swinging members and is movable up and down with respect to the supporting member, The lifting member is raised to swing the swing member, and the other end side is brought into contact with the periphery of the other side of the mounting hole of the ceiling wall to open the mounting hole of the ceiling wall between the swing member and the flange portion. It is characterized by comprising an elevating mechanism for holding the edge portion.

[0009]

To fix the lamp body to the ceiling wall by the lamp body mounting device, first, a plurality of rocking members are inserted into the mounting holes provided in the ceiling wall. Next, the elevating mechanism is operated to raise the elevating member so that the other end of the swing member approaches the back surface of the ceiling wall, and the mounting hole peripheral edge is sandwiched between the flange portion and the other end of the swing member. The lifting mechanism until it is pressed.

In this case, the elevating mechanism is operated until the peripheral edge of the mounting hole is securely sandwiched between the flange portion and the other end side of the swing member, but the elevating member is only slightly raised by the operation of the elevating mechanism. Thus, the other end side of the swinging member swings largely, and the swinging member can quickly approach the back surface of the ceiling and can be clamped between the flange portion.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a lamp mounting device according to the present invention will be described with reference to the drawings.

FIG. 1 and FIG. 2 show a lamp body mounting device 1 of the embodiment.
Indicates. In FIG. 1, a lamp mounting device 1 includes a flange plate 3, a U-shaped support bracket 5 fixed on the flange plate 3, and a pair of swing plates 7 and 9 supported by the support bracket 5. And an ascending / descending elevating member 11 with which one end sides of the swinging members 7 and 9 are engaged, and the elevating member 1
And a lift mechanism 13 for moving the flange 1 up and down with respect to the flange plate 3.

The flange plate 3 is formed in a dish shape in which the entire circumference of the circular bottom is bent at right angles in the same direction and side walls 15 are provided. A through hole 17 is formed in the central portion of the flange plate 3, and a hollow screw shaft 19 is inserted into the through hole 17. This screw shaft 1
A large-diameter portion 23 having a diameter larger than that of the through-hole 17 is formed on the lower end side of 9 and a step portion of the large-diameter portion 23 serves as a stopper portion 21 that comes into contact with the opening edge of the through-hole 17. A female screw is formed on the inner wall of the large-diameter portion 23, and the tip end of a suspension shaft 27 projecting from the upper portion of the lamp body (spotlight) 25 is screwed.

In the hollow inside of the screw shaft 19, the lamp body 2
A cord (not shown) for feeding power to 5 is inserted.

On the other hand, a male screw is formed on the upper end side of the screw shaft 19 and a pair of surfaces 27, 27 are formed. The upper end side of the screw shaft 19 penetrates the through hole 17, penetrates the elevating member 11, and then projects to the upper surface side of the flange plate 3. The upper end portion of the screw shaft 19 penetrating the through hole 17 of the flange plate 3 penetrates the support bracket 5, and the nut 29 is screwed into the tip portion thereof. By tightening the nut 29, the support bracket 5 is fixed to the flange plate 3.

The support bracket 5 is formed in a U-shape by bending leg plates 31 and 33 at right angles from both sides of the upper surface 5a in the same direction. The leg plates 31 and 33 are fixed to the flange plate 3 in a state in which the tip ends thereof are placed on the flange plate 3. Further, the screw shaft 19 penetrates the upper surface portion 5 a, and between the screw shaft 19 and the nut 29,
A rotation stop mechanism 35 for preventing cord breakage is provided.

The rotation stopping mechanism 35 has a rotating plate 39 having a through hole having the same shape as the cross section of the screw shaft 19 and a slightly larger size, and a stopper piece 37 formed on the outer periphery thereof, and the rotating plate 39. The rotation stopper plate 45 has a through hole having a diameter larger than that of the screw shaft 19 and is formed on the upper surface of the rotation stopper plate 45. The rotation is restricted by being inserted between the pair of rotation restriction projections 43 cut and raised from 5a.

The rotating plate 3 is rotated by the rotation of the screw shaft 19.
9 rotates, but when it rotates about 360 degrees, the stopper piece 3
7 contacts the stopper projection 41 of the rotation stop plate 45, and further rotation is restricted. As a result, the screw shaft 19
It is designed to prevent the threading of the cord inserted through it.

Further, the leg plate portions 31 and 33 are formed with rectangular notches 51 and 53, and the upper and lower portions of the notches 51 and 53 are connected to both side portions of the upper surface 5a and the leg plate portions 31 and 33. The slit-shaped through holes 47 and 49 are formed.
A pair of rocking members 7, 9 are provided in these through holes 47, 49.
Are inserted respectively. Since the swing members 7 and 9 have the same structure, only the swing member 9 will be described here, and the description of the swing member 7 will be omitted.

The pair of oscillating members 9 are elongated plate-like members, one end of which is bent at a predetermined angle, and a wide portion 55 which is longer than the through hole 47 is formed. The wide portion 55 prevents the swinging member 9 from coming out of the inside of the support bracket 5, and is swingable around the opening edge of the through hole 47. The other end of the swinging member 9 has the wide portion 5
A temporary fixing portion 57 is formed by being bent in the same direction as that of 5 at a substantially right angle. Furthermore, a rectangular through hole 5 is provided in the middle portion.
7 are formed. The end portion 11a of the elevating member 11 is inserted into the through hole 59.

The elevating member 11 has a substantially rhombic shape, and the rocking member 7,
The corners 11a, 11b on the 9 side are projected and are slightly bent toward the swinging members 7, 9 side. These corners 1
Engaging portions 61, 61 with which the wide portions 55 of the swinging members 7, 9 are engaged are formed on the central portions of the la and la.
A through hole 63 through which the screw shaft 19 is inserted is formed in the central portion between the engaging portions 61, 61. Further, screw holes 65 and 67 are formed on both sides of the through hole 63. The screw portions 69 a and 71 a of the screws 69 and 71 penetrating the flange plate 3 are screwed into the screw holes 65 and 67. By rotating these screws 69, 71, the elevating member 11 screwed into the screw portions 69a, 71a.
Moves up and down with respect to the flange plate 3.

The elevating mechanism 13 comprises the screw holes 65 and 67 of the elevating member 11 and the screws 69 and 71. The opposite side of the screws 69, 71 from the screw portions 69a, 71a is provided with the collar portion 7.
3 is formed, and a decorative nut portion 75 is integrally formed at the tip end portion thereof. The flange portion 73 contacts the upper surface of the flange plate 3 to prevent the screws 69 and 71 from coming off the flange plate 3. Further, the decorative nut portion 75 penetrates through the flange plate 3 and is projectingly provided on the lower surface side of the flange plate 3. A slit 75 is formed on the tip surface of the decorative nut portion 75.
a is formed, and a tool such as a screwdriver is engaged. Then, by rotating the decorative nut 75, the screw 6
9 and 71 rotate, and the lifting member 11 moves up and down.

In order to mount the lamp body 25 on the ceiling wall 77 (see FIG. 2B) by the lamp body mounting device 1, as shown in FIG.
As shown in (a), first, the decorative nut portion 75 is rotated so that the elevating member 11 is lowered so as to come closest to the upper surface of the flange plate 3. In this state, the rocking plates 7 and 9 are upright, and from this state, the rocking plates 7 and 9 are inserted into the mounting holes 77a of the ceiling wall 77 up to the back of the ceiling. At this time, after the one swing plate 7 is inserted into the mounting hole 77a, the lamp mounting device 1
The whole is tilted and the other swing plate 7 is inserted into the mounting hole 77a. Also, during this work, the lamp mounting device 1
Even if the operator's hand is separated from and falls, the temporary fixing portion 57 can be prevented from falling downward by being caught by the opening edge portion of the mounting hole 77a.

After inserting the rocking plates 7 and 9 into the mounting holes 77a, the decorative nuts 75 and 75 are alternately rotated to
The screws 69 and 71 are respectively rotated to raise the lifting plate member 11 from the upper surface of the flange plate 3. When the elevating member 11 is raised, one end of the swing plate 7, which is engaged with the engaging portion 61,
9 swings around the opening edges of the through holes 47 and 49 as fulcrums,
The temporary fixing portions 57 of the case swing plates 7 and 9 are attached to the mounting holes 7 of the ceiling wall 77.
The back side of the peripheral edge of the opening 7a approaches.

Further, when the decorative nuts 75, 75 are rotated, the opening edge portion of the mounting hole 77a is sandwiched between the swing plates 7, 9 and the tip surface of the side wall 15 of the flange plate 3. Then, when the force for rotating the decorative nut 75 becomes strong, the rotation of the decorative nut 75 is stopped. In this state, the opening edge of the mounting hole 77a is reliably sandwiched between the swing plates 7 and 9 and the tip end surface of the side wall 15 of the flange plate 3. In this case, since the elevating member 11 presses one end of the oscillating plates 7 and 9 by levering, the oscillating members 7 and 9 and the side wall 15 of the flange plate 3.
The ceiling wall 5 can be firmly sandwiched between it and the tip of the.

According to the present embodiment, since the lamp mounting device 1 can be mounted on the ceiling wall 77 by simply tightening the decorative nut 75, the workability is improved.

Since the ceiling wall 77 is sandwiched between the swing plates 7 and 9 and the flange plate 3, the lamp body 25 can be firmly and reliably fixed to the ceiling wall 77.

Further, according to the lamp body mounting apparatus 1 of the present embodiment, it is possible to cope with the ceiling wall 77 having a plurality of thicknesses.

Even if the size of the mounting hole 77a provided in the ceiling wall 77 is different due to dimensional error or the like, the ceiling wall 77 can be reliably illuminated between the rocking plates 7 and 9 and the flange plate 3. The body 25 can be fixed.

Further, in the lamp body mounting apparatus 1 of this embodiment, wood screws are not required when fixing to the ceiling wall 77, and the ceiling wall 77 is not damaged. Furthermore, the supporter for fixing to the ceiling wall 77 and the flange can be integrated.

Further, according to the lamp body mounting device 1 of this embodiment, a heavy lamp body can be supported. In addition, in the above-mentioned embodiment, the example in which the tip end portions of the swing plates 7 and 9 are in contact with the ceiling wall 77 is shown. You may make it pinch | interpose between with the upper surface part of the side wall 15.

[0032]

As described above, according to the lamp mounting apparatus of the present invention, the ceiling wall is mounted between the rocking plate and the flange portion by operating the lifting mechanism to raise the lifting member. Since the periphery of the hole is held, the lamp body can be securely and easily fixed to the ceiling wall regardless of the weight of the lamp body.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view showing an embodiment of a lamp body mounting device according to the present invention.

FIG. 2 (a) is a plan view showing an embodiment of the lamp body mounting device according to the present invention, and FIG. 2 (b) is a sectional view taken along line bb in FIG. 2 (a).

FIG. 3 is a cross-sectional view showing an operation of the lamp body mounting device by cutting along a line III-III of FIG. 2, (a) is a sectional view showing a state before being mounted on a ceiling wall, and (b) is a ceiling wall. It is sectional drawing which shows the state attached to.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Lamp mounting device 3 Flange plate 5 Support bracket (support member) 7, 9 Oscillating plate 11 Lifting member 13 Lifting mechanism

Claims (1)

[Claims] 1. A lamp body mounting device for mounting a lamp body to a ceiling wall, comprising: a flange portion that abuts around one surface side of a mounting hole formed in the ceiling wall; and a flange portion fixed to the flange portion. A support member that is inserted into the mounting hole, a plurality of swing members that are swingably supported by the support member, and one end side of these swing members engage with each other and move up and down with respect to the support member. A free lifting member, and the lifting member is lifted to rock the rocking member so that the other end is brought into contact with the periphery of the other surface side of the mounting hole of the ceiling wall so that the rocking member and the flange portion A lighting fixture mounting device comprising: a lifting mechanism that holds an opening edge portion of a mounting hole of the ceiling wall between them.