JPH033928Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Technical Field] This invention relates to a lifting device for lighting equipment installed on a sloped ceiling in an atrium of a building.

[Background technology]

As an elevating device for this type of lighting equipment, we proposed the one shown in Fig. 13. In the figure, reference numeral 101 denotes an inclined ceiling material, and a lifting device main body 103 is installed above the opening 102 on a construction material 104 such as a ceiling slab. 105 is an opening frame. The lifting device main body 103 includes a rope hoisting device (not shown), and the lifting body 106 is suspended from the hanging rope. A mounting plate 107 is attached to the elevating body 106.
The opening cover 108 is attached through the opening cover 108, and the lighting fixture hanging tool 109 provided on the lower surface of the opening cover 108
A lighting fixture (not shown) is suspended via the chain 110.

The mounting plate 107 is provided upright along the inclination direction on the upper surface of the opening cover 108, and has a plurality of selectively usable elevating body coupling holes 111a to 111c,
112 are arranged side by side in the inclination direction. Specifically, the elevating body coupling holes 111a to 111c are arranged on an arc centered on the appliance weight application point Q of the lighting appliance hanger 109. This arbitrary elevating body connection hole 1
Connectors 1 such as bolts to 11a to 111c and 112
13, and open the opening cover 108 to the elevating body 106.
Attach to.

According to this structure, which elevating body coupling hole 111a
The inclination angle of the opening cover 108 changes depending on whether ~111c or 112 is used.
can be adjusted to the inclination angle of the ceiling material 101.

However, since the appliance weight application point Q of the lighting appliance hanger 109 is located below the opening cover 108 by a distance m, the lifting body coupling holes 111a to 111 used
Depending on the position of c, 112, the center position of the aperture cover 108 changes, causing a deviation from the center of the aperture frame 105. Therefore, there was a problem that the appearance was poor.

[Purpose of invention]

This device is a lifting device for lighting equipment that can adjust the angle of the opening cover of the lifting body according to the inclination of the ceiling, and also allows the opening cover and the opening frame of the ceiling to be aligned concentrically even if the angle of the opening cover is changed. The purpose is to provide

[Disclosure of invention]

The lifting device for lighting equipment of this invention includes a lifting device main body that is installed above an opening in an inclined ceiling material and has a rope hoisting device, an annular opening frame that covers the lower surface of the periphery of the opening in the ceiling material, and two frame support arms that attach the opening frame to the elevating device main body at two locations located approximately in the center of the width of the opening frame in the ceiling inclination direction; an opening cover, an elevating body suspended by a hanging rope of the rope hoisting device, and a plurality of selectively usable elevating body coupling holes that are erected along the ceiling slope direction on the upper surface of the opening cover. In the elevating device for a lighting equipment, the elevating device includes a mounting plate arranged in the inclination direction, and a coupling fitting that is inserted into the arbitrary elevating body coupling hole of the mounting plate and attaches the opening cover to the elevating body. A plurality of selectively usable mounting holes are provided in either one of the frame support arm and the opening frame in the direction of the ceiling inclination, and a frame fixing tool inserted through any of the mounting holes allows the opening frame to be attached to the frame support arm. It was installed on.

According to the configuration of this invention, a plurality of selectively usable elevating body coupling holes are provided in the mounting plate installed on the opening cover in the direction of the ceiling inclination, so which elevating body coupling hole can be used to connect the elevating body. Depending on the angle of the opening cover, the point of application of the weight of the instrument and the fulcrum position of the opening cover will shift and the angle of the opening cover will change. Therefore, the angle of the opening cover can be adjusted according to the slope of the ceiling.

In addition, multiple mounting holes that can be selected and used are provided in the ceiling inclination direction on one side of the opening frame provided in the ceiling opening and the frame support arm that supports this opening frame. , the position of the opening frame can be shifted in the direction of the ceiling inclination. Therefore,
Even if the position of the opening cover shifts when changing the angle of the opening cover to match the inclination angle of the ceiling, by changing the mounting holes and shifting the opening frame with respect to the frame support arm, the opening frame and opening can be adjusted. The center of the cover can be matched.

Embodiment An embodiment of this invention will be explained based on FIGS. 1 to 11. The lifting device of this lighting equipment is
Lifting device main body 3 installed above the opening 2 of the inclined ceiling material 1 and having a rope hoisting device (not shown)
and an annular opening frame 4 that covers the lower surface of the periphery of the opening 2 of the ceiling material 1, and this opening frame 4 is attached to the lifting device main body 3 at two locations located approximately at the center of the width of the opening frame 4 in the ceiling inclination direction. Two frame support arms 5, an opening cover 7 which has a lighting equipment hanger 6 on its lower surface and loosely fits into the opening frame 4, and a suspension cable 8 of a suspension cable hoisting device (see Fig. 2).
A plurality of selectively usable elevating body coupling holes 10a to 10c, 11a to 1 are provided on the upper surface of the opening cover 7 along the ceiling inclination direction.
1c and 12 are arranged in the inclined direction, and the opening cover 7 is attached to the elevating object 9 by being inserted into the arbitrary elevating object coupling holes 10a to 10c, 11a to 11c, and 12 of this mounting plate 13. In the lifting device for lighting equipment, the opening frame 4 is provided with a plurality of selectively usable mounting holes 15a to 15c, 16 arranged in the ceiling inclination direction,
The opening frame 4 is attached to the frame support arm 5 using frame fixtures 17 (FIGS. 2, 4, and 5B) inserted through any of the attachment holes 15a to 15c and 16.

The lifting device main body 3 is a construction material 18 such as a ceiling slab.
Two groove-shaped support rods 20 fixed with bolts 19 to
It is attached with bolts 21 and hooks 22.
The suspension rope hoisting device of the lifting device main body 3 consists of a hoisting drum and its drive motor, and the hanging rope 8 hangs down in a U-shape and is hung from a movable pulley (not shown) of the lifting body 9. . As shown in FIG. 2, the elevating device main body 3 includes a guide tube 25 for positioning into which the guide rod 24 of the elevating object 9 is fitted, and a fixed guide tube 25 for power supply to the lighting equipment that contacts the movable contact on the upper surface of the elevating object 9. Contacts (none of which are shown) are provided.

As shown in FIG. 1, the lighting fixture mount 6 of the opening cover 7 includes a fixture mounting plate 28 attached to the lower surface of the opening cover 7 with bolts 27, and a central cover attached to the planting bolts 29 of the fixture mounting plate 28. 30 and a U-shaped bolt 31 attached to this central cover 30. The lighting fixture 32 is suspended from the U-shaped bolt 31 by a chain 33.

The opening frame 4 has a flange portion that covers the lower surface of the ceiling material 1 and a cylindrical portion rising from the periphery thereof, and a support spring 34 that engages with the upper surface of the ceiling material 1 is installed between two frame support arms 5. (Fig. 2) is installed. Attachment hole 15a of the opening frame 4 attached to the frame support arm 5
As shown in FIG. 5B, 15c and 16 are arranged in an arc shape centered on the appliance weight application point P of the lighting fixture 6 of the opening cover 7, and have lengths in the radial direction. It is formed into a hole. The opening frame 4 is attached using the frame fixtures 17 inserted into the arbitrary attachment holes 15a to 15c and 16. The frame fixture 17 consists of a bolt, and is screwed into a threaded hole (not shown) in the frame support arm 5.

As shown in FIG. 2, the mounting plate 13 consists of a pair of upright portions of a U-shaped frame 13, and the U-shaped frame 13' is fixed to the upper surface of the opening cover 17 with bolts 27.
From the elevating body 9 to the U-shaped frame 13' and the opening cover 7
A lead wire 40 is led out through the lead wire holes 38, 39. Each mounting frame 13 is fixed to the elevating body 9 and connected to a support fitting 41 (see FIGS. 4 and 5A) using a coupling tool 14. The coupling tool 14 includes a main coupling bolt 42, a nut 43, and a fine adjustment plate 44, and the main coupling bolt 42 is inserted into a bolt insertion hole 45 of the support fitting 41. 46 is a sleeve. As will be described later, the fine adjustment plate 44 is attached in different ways depending on whether it is installed on a horizontal ceiling or on a sloped ceiling.

Mounting plate 13 Elevating body coupling holes 10a to 10c, 11
A to 11c are provided in two rows as shown in FIG. 10, and are arranged in an arc shape centered on the appliance weight application point P of the lighting appliance hanger 6. Elevating body coupling holes 10a to 10c in each circumferential row and elevating body coupling hole 1 in the inner circumferential row
1a to 11c are arranged on the same radial line extending from the point of application of the weight of the instrument P. The elevating body coupling holes 10a to 10c in the outer circumferential row are formed as screw holes. The mounting plate 13 is further provided with an elevating body coupling hole 12 for horizontal ceilings.
and a fine adjustment mounting plate 47 consisting of a screw hole. The horizontal elevating body coupling hole 12 is a long hole.

As shown in FIG. 6, the fine adjustment plate 44 has a first elongated hole 48, a second elongated hole 49, a connecting hole 50, and a mounting hole 51, and the mounting hole 51 is formed into a screw hole. be.

In the case of a horizontal ceiling, the fine adjustment plate 44 is installed as shown in FIGS. 3 and 8. That is, the connecting hole 50 of the fine adjustment plate 44 is aligned with the horizontal elevating body coupling hole 12 of the mounting plate 13, and the bolt 52 inserted through the first elongated hole 48 is inserted into the fine adjustment mounting hole 47 of the mounting plate 13.
(Fig. 10). A main connecting bolt 42 is installed at the location where the connecting hole 50 and the elevating body connecting hole 12 are aligned.
(Fig. 4) and attach it to the support fitting 41 of the elevating body 9. At this time, since the horizontal elevating body coupling hole 12 of the mounting plate 13 is a long hole, the main coupling bolt 42 is connected to the mounting plate 1 at the position of the connection hole 50 of the fine adjustment plate 44.
3 is determined. Therefore, by shifting the fine adjustment plate 44, the elevating body coupling hole 1
The position of the main coupling bolt 42 can be finely adjusted within the margin range S (FIG. 8).

In the case of a sloped ceiling, the fine adjustment plate 44 is installed as shown in FIGS. 1, 9, and 10. FIG. 10 shows the second elevating body coupling holes 10b and 11b.
This shows the case where . The fine adjustment plate 44 is in an upright position as shown in the same figure, and the bolts and nuts 53 inserted into the mounting holes 51 are used to connect the elevating body coupling holes 11 in the inner circumferential row of the mounting plate 13.
b, and is also attached to the elevating body coupling hole 10b in the outer circumferential row using a bolt 54 inserted through the second elongated hole 49. Then, the main coupling bolt 42 inserted into the connecting hole 50 is attached to the support fitting 41 of the elevating body 9. Thereby, the mounting plate 13 is suspended from the elevating body 9 via the fine adjustment plate 44.

Next, the adjustment method and operation of the elevating device of this lighting fixture will be explained. In the case of a sloped ceiling, depending on the inclination angle of the ceiling material 1, one of the lifting body coupling holes 10a to 10c, 11a to 11c is selected and the opening cover 7 is suspended from the lifting body 3. Lifting body connection hole 1
Since 0a to 10c and 11a to 11c are lined up in the ceiling inclination direction, the used elevating body coupling holes 10a
~10c, 11a~11c, opening cover 7
The point of application of the weight of the device P and the fulcrum position are shifted, and the inclination angle of the opening cover 7 changes accordingly. Therefore, the opening cover 7 can be adjusted to the inclination angle of the ceiling material 1.

On the other hand, since the appliance weight application point P of the lighting fixture hanger 6 of the opening cover 7 is located below the opening cover 7, as shown in FIGS.
Depending on the inclination angle, the center A of the opening 2 of the ceiling material 1 and the center B of the opening cover 7 vary as shown in L ₁ to L ₃ . Therefore, the center positions of the aperture cover 7 and the aperture frame 4 will not match if left as is. However, since the opening frame 7 has a plurality of mounting holes 15a to 15c for the frame support arm 5 arranged side by side in the ceiling inclination direction, the mounting holes 15a to 15c corresponding to the inclination angle
c, that is, the used elevating body coupling holes 10a to 10
Mounting holes 15a-1 corresponding to c, 11a-11c
5c and attaching it to the frame support arm 5, the centers A and B of the opening frame 4 and the opening cover 7 can be aligned. In this case, the opening 2 of the ceiling material 1 is a large hole that can absorb the size L ₁ to L ₃ ,
If the flange width d (FIG. 1) of the opening frame 4 is made large, restrictions on construction will be eliminated. In addition, in this embodiment, each of the elevating body coupling holes 10a to 10a of the mounting plate 13
10c, 11a to 11c and the mounting hole 1 of the opening frame 4
5a to 15c are all arranged on a circular arc centered on the point of application of the appliance weight P of the lighting fixture hanging tool 6, and are arranged on the same radiation, so that the mounting holes can be adjusted according to the inclination of the opening cover 4. By selecting 15a to 15c, the displacement of the opening cover 7 can be reliably corrected.

Furthermore, the mounting plate 13 of the opening cover 7 is suspended by a single main connecting bolt 42 regardless of whether the ceiling is sloping or horizontal. The influence on the guide rod 24 due to midway shaking is avoided.

Next, fine adjustment when the angle of the ceiling material 1 deviates from the set angle will be explained. Depending on the site, there may be a slight error in the angle of the ceiling material 1, and in this case, the opening cover 7 may be slightly inclined with respect to the opening frame 4, resulting in a poor appearance. Such problems are solved as follows.

In the case of a horizontal ceiling, as described above with reference to FIG. 8, the fine adjustment plate 44 is appropriately shifted in the horizontal direction with respect to the mounting plate 13 and fixed with bolts 52. This allows the main coupling bolt 42 to attach to the mounting plate 13.
The position of is the elongated elevating body coupling hole 1 of the mounting plate 13.
2 can be adjusted within the margin range S. Due to this adjustment, the position of the appliance weight application point P of the lighting fixture hanger 6 provided on the opening cover 7 and the position supported by the main connecting bolt 42 are slightly shifted, and the opening cover 7
The angle of can be changed minutely. Therefore, even if the ceiling material 1 has a slight inclination, the opening cover 7 can be adjusted to the inclination of the ceiling material 1. Therefore, it is possible to prevent the opening cover 7 from being tilted with respect to the opening frame 4 and causing unevenness, and it is possible to make both sides flush. In addition, when making this fine adjustment, the weight of the lighting fixture 32 is
2, the movement of the fine adjustment plate 44 is easy.

For sloping ceilings, make fine adjustments as follows. As shown in FIG. 10, the fine adjustment plate 44 is inserted into the mounting plate 1 by passing bolts 54 through its second elongated hole 49 and the elevating body coupling holes 10a to 10b in the outer circumferential row of the mounting plate 13.
3, and the mounting holes 51 of the fine adjustment plate 44 and the elevating body coupling holes 11a to 11c of the inner circumferential row of the mounting plate 13.
Since the two are connected with bolts and nuts 53, the second
The fine adjustment plate 44 can be tilted by the allowance range θ of the elongated hole 49. Therefore, the position of the connecting hole 50 of the fine adjustment plate 44 changes by an amount corresponding to this range θ, and the inclination angle of the opening cover 7 can be finely adjusted according to the inclination angle of the ceiling material 1.

In this case, the appliance weight application point P of the lighting appliance hanger 6
Connecting hole 5 of fine adjustment plate 44 on a trajectory of radius R ₂ from
If the position of 0 is changed, the aperture cover 7 and the aperture frame 4 will be exactly flush with each other, but in this case, the fine adjustment plate 4
A locus of radius R ₁ with the attachment hole 51 of No. 4 as the fulcrum is used instead. However, due to the slight adjustment of the inclination, the aperture cover 7 and the aperture frame 4 become substantially flush with each other, and there is no practical problem even if they are substituted in this way. When the adjustment range is large, the adjacent elevating body coupling hole 10a~
10c, 11a to 11c are used.

Further, in the case of a sloped ceiling, the following advantages can be obtained by using the fine adjustment plate 44. That is, in the conventional example shown in FIG. 13, when installing on an inclined ceiling material 101, since the elevating body 106 and the opening cover 108 are close to each other as shown by the gap d, the elevating body coupling holes 111a to 111c of the mounting plate 107 are closed. must be raised upward, and the mounting plate 107 becomes larger.
However, if the mounting plate 13 is suspended via the fine adjustment plate 44 as in this embodiment, even if the mounting plate 13 is made small, the opening cover 7 and the elevating body 9
This eliminates the problem of interference between

FIG. 12 shows another embodiment. In this example, the first
The fine adjustment plate 44 of the embodiment is omitted. In this case, the mounting plate 13 has one row of elevating body coupling holes 10.
a to 10c and 10a' to 10c' are provided. Further, the elevating body coupling holes 10a to 10c, 10a' to 10c' and the support fitting 41 of the elevating body 9 are directly connected with a coupling member 14' consisting of one bolt and nut. The other configurations are similar to the first embodiment.

With this configuration, fine adjustment of the inclination of the aperture cover 7 cannot be performed, but the effect of correcting the misalignment between the aperture cover 7 and the aperture frame 4 can be obtained in the same manner as in the first embodiment.

In the above embodiment, the opening frame 4 is provided with a plurality of attachment holes 15a to 15c, but the frame support arm 5 may be provided with a plurality of attachment holes arranged in the ceiling inclination direction.

[Effect of idea]

The lifting device for lighting equipment of this invention has a plurality of selectively usable lifting body coupling holes arranged in the ceiling inclination direction on the mounting plate installed upright on the opening cover, so which lifting body coupling hole can be used to Depending on whether the aperture cover is connected to the aperture cover, the point of application of the instrument weight and the fulcrum position of the aperture cover are shifted and the angle of the aperture cover changes. Therefore, the angle of the opening cover can be adjusted according to the slope of the ceiling.

In addition, multiple mounting holes that can be selected and used are provided in the ceiling inclination direction on one side of the opening frame provided in the ceiling opening and the frame support arm that supports this opening frame. , the position of the opening frame can be shifted in the direction of the ceiling inclination. Therefore, even if the position of the opening cover shifts when changing the angle of the opening cover to match the inclination angle of the ceiling,
By changing the mounting holes and shifting the opening frame with respect to the frame support arm, there is an effect that the centers of the opening frame and the opening cover can be aligned.

[Brief explanation of the drawing]

Fig. 1 is a cutaway front view of an embodiment of this invention in a tilted installation state, Fig. 2 is a perspective view thereof, Fig. 3 is a cutaway front view of the same in a horizontal installation state, and Fig. 4 is a partially cutaway side view thereof. Fig. 5A is a partially enlarged view of Fig. 4, Fig. 5B is a partially cutaway front view of the opening frame, Fig. 6 is a front view of the fine adjustment plate, and Fig. 7 is the vertical elevation when installed horizontally. Figure 8 is a front view showing the relationship between the body and the fine adjustment plate, Figure 8 is a front view showing the relationship between the fine adjustment plate and the mounting plate in the same state, and Figure 9 is the elevating body and the fine adjustment plate when installed at an inclined angle. FIG. 10 is a front view showing the relationship between the fine adjustment plate and the mounting plate in the same state, FIG. 11 is an explanatory diagram of the center deviation of the opening cover, and FIG. FIG. 13 is a cutaway front view of the embodiment and FIG. 13 is a cutaway front view of the conventional example. DESCRIPTION OF SYMBOLS 1... Ceiling material, 2... Opening, 3... Lifting device main body, 4... Opening frame, 5... Frame support arm, 6...
Lighting equipment hanging tool, 7...opening cover, 8...hanging rope,
9... Elevating body, 10a to 10c, 11a to 11c
... Lifting body coupling hole, 13... Mounting plate, 14... Connector, 15a to 15c... Mounting hole, 17... Frame fixture, 42... Main coupling bolt, 44... Fine adjustment plate.

Claims (1)

[Scope of utility model registration request] A lifting device body installed above an opening in an inclined ceiling material and having a rope hoisting device, an annular opening frame that covers the lower surface of the periphery of the opening in the ceiling material, and approximately the center of the width of the opening frame in the ceiling inclination direction. two frame support arms that attach the opening frame to the lifting device main body at two locations located at the opening frame; an opening cover that has a lighting equipment hanger on its lower surface and loosely fits into the opening frame; an elevating body suspended by a hanging rope of the device; and a mounting plate having a plurality of selectively usable elevating body coupling holes lined up in the inclination direction, which are erected on the upper surface of the opening cover along the ceiling inclination direction. , a lifting device for a lighting equipment comprising a coupling tool inserted into the arbitrary lifting body coupling hole of the mounting plate and attaching the opening cover to the lifting body, wherein either the frame support arm or the opening frame A plurality of selectively usable mounting holes are provided on one side in the direction of ceiling inclination, and the opening frame is attached to the frame support arm by a frame fixing device inserted into any of the mounting holes. Lifting device for lighting equipment.