JPH019286Y2 - - Google Patents

Description

[Detailed description of the invention] [Technical field to which the invention pertains] The present invention relates to the improvement of lighting equipment for lifting and lowering, and in particular, the invention relates to improving lighting equipment for lifting and lowering. , concerning a device capable of being re-ascended.

[Conventional technology]

As shown in FIG. 1, the conventional general lighting device for lifting and lowering is provided with a fitting receiver 2 on the lower surface of the lifting device main body 1, a lighting device 3 is supported on the fitting receiver 2, and a wire 4 is connected to the fitting receiver 2.
The fitting rod 5 suspended and supported is fitted and locked.

In the same structure, when the fitting rod 5 is fitted into the fitting receiver 2 at a predetermined angle, a limit switch is activated and the rotation of the motor is stopped.

However, if the lighting equipment shakes sideways as it rises, the second
As shown in the figure, the fitting rod 5 may protrude from the slit 6 of the fitting receiver 2 to the outside. If the fitting rod 5 does not fit into the predetermined position of the fitting receiver 2 in this way,
The limit switch 7 does not work and the motor continues to rotate, which puts a load on the motor, and the wire that will be wound later gets wedged between the wire that was wound earlier on the drum that winds the wire, causing the lighting fixture to descend even if the motor is rotated in the opposite direction. There is a drawback that it does not.

[Purpose of invention]

The present invention has been devised in view of the above points, and even if the fitting rod does not fit into the predetermined position of the fitting receiver, the lighting device can be lowered once, raised again, and fitted. It is an object of the present invention to provide a lighting device for lifting and lowering that allows a mating rod to be fitted into a fitting receptacle and has a simple structure.

[Structure of the idea]

The present invention will be explained below with reference to FIGS. 3 and 4. In the figure, 11 is a main body of the lifting device, and 12 is a winding drum disposed inside the main body 11 of the lifting device, which is configured to be rotated by a motor. Reference numeral 13 denotes a fitting receiver provided downward on the lifting device main body 11, and is constructed by providing a slit 14 with an open bottom end. 15 is a limit switch disposed at the upper end of the outer wall of the slit 14 of the fitting receiver 13;
Reference numeral 6 denotes a lever of the limit switch 15, and a portion of the inner end thereof slightly protrudes from the inner wall of the slit 14 of the fitting receiver 13. 17 is the lifting device main body 11
18 is a fitting rod configured to fit into and support the fitting receiver 13; 19 is a fitting rod 1;
A lighting fixture supported by a flange 20 of 8, 21
is a wire from which the lighting fixture 19 is suspended; one end is supported by the flange 20 of the lighting fixture 19, the fitting rod 18 is passed through the wire, the wire is engaged with the support shaft 17, and the other end is supported by the drum 12.

Next, the elevating and lowering of the lighting equipment in the above-mentioned elevating lighting device will be explained.

Lighting equipment 1 by rotating the motor in the above device
When the fitting rod 9 is raised, the fitting rod 18 normally fits into the fitting receiver 13.

In addition, if the lighting fixture 19 has a large horizontal sway when rising, the slit 1 of the fitting receiver 13 may be damaged as shown in FIG.
The wire 21 protrudes from the fitting rod 4 and the fitting rod 18 supporting the lighting device does not fit into the fitting receiver 13.

However, the wire 21 by which the lighting fixture 19 is suspended comes into contact with the lever 16 of the limit switch 15 protruding into the slit 14, and the rotation of the motor is stopped. As a result, the motor will not be overloaded, and the wire wound later will not get wedged between the wires wound earlier on the drum, and if the motor is rotated in the opposite direction, the lighting equipment 1
The fitting rod 18 that supports the lighting fixture 19 is moved to the fitting receiver 13 by successfully lowering the fitting rod 9 and rising again.
to be inserted into.

[Effect of idea]

As described above, the present invention is a device in which a limit switch is provided at the upper end of the outer wall of the slit of the fitting receiver, and the lever of the limit switch is provided so as to protrude slightly inside the slit of the fitting receiver, so that the fitting can be easily performed as described above. Even if the wire that supports the lighting equipment protrudes from the slit in the receiver,
The wire comes into contact with the limit switch lever located inside the slit of the mating receiver and stops the rotation of the motor, so there is no overload on the motor and the wire is not caught between the wires that were previously wound around the drum. By lowering the lighting equipment once and raising it again, the fitting rod supporting the lighting equipment can be easily supported on the fitting receiver.

In addition, a limit switch is provided on the outer wall above the slit of the mating receiver, and the lever of the limit switch is slightly protruded into the slit of the mating receiver, making it easy to prevent abnormalities in the mating relationship between the mating rod and the mating receiver. It has the advantage of being able to sense and restore normal conditions as described above.

[Brief explanation of the drawing]

Figure 1 is a side view of the main parts of a conventional lifting lighting device.
2 is a perspective view showing an embodiment of FIG. 1, FIG. 3 is a side view of the lighting device for lifting and lowering according to the present invention, and FIG. 4 is an enlarged side view of the main part of FIG. 2. 11... Lifting device main body, 13... Fitting receiver, 15
... Limit switch, 18 ... Fitting rod, 19 ...
…lighting equipment.

Claims (1)

[Claims for Utility Model Registration] Vertical slit 14 on the lower surface of the lifting device main body 11
A fitting receiver 13 is provided, and the fitting receiver 13 has a
In a structure in which a lighting fixture 19 is supported and a fitting rod 18 suspended and supported by a wire 21 is fitted and supported, a limit switch 15 is provided at the upper end of the outer wall of the slit 14 of the fitting receiver 13. A lighting device for lifting and lowering, characterized in that a lever 16 is provided to slightly protrude inside the slit 14 of the fitting receiver 13.