JP4195985B2 - Elevating lighting fixture - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to, for example, a cord hanging type lifting / lowering illumination device having a function of easily changing the height of the device by a lifting device.
[0002]
[Prior art]
Conventional examples are shown in FIGS. In the first conventional example, as shown in FIG. 7, the lifting device 50 is attached to a ceiling 52 at a place different from the wiring device 51 with a wood screw 53. 54 is a hook sealing cap, 55 is a power line, and 56 is a lighting fixture body.
[0003]
The second conventional example is a case where the lifting device 50 is hooked on the mounting bracket 57 of the wiring device 51. For example, as shown in FIG. 8, the lifting device 50 is hooked and attached to a mounting bracket 57 attached to a ceiling 52 near the wiring device 51 with a wood screw 58.
[0004]
As a third conventional example, it is disclosed that the lifting device is electrically and mechanically engaged by a hooking claw of a hooking sealing cap (see Patent Document 1).
[0005]
[Patent Literature]
JP 2002-109948 (paragraph 0045)
[0006]
[Problems to be solved by the invention]
The first conventional example has a drawback that the ceiling 52 is damaged by the wood screw 53 to which the lifting device 50 is attached.
[0007]
In the second conventional example, the mounting bracket 57 needs to be fixed to the ceiling 52 with the wood screw 58. In the case where the mounting bracket 57 is attached to the wiring fixture 51, when the mounting bracket 57 is not provided, it is necessary to remove the wiring fixture 51 from the ceiling once and install the mounting bracket 57.
[0008]
In the third conventional example, since the lifting device is suspended by the power line, it is difficult to directly attach to the wiring fixture. As the device rolls, the hooking sealing cap may easily come off the wiring device.
[0009]
Therefore, an object of the present invention is to provide a lifting illuminating device that can directly attach the lifting device to the wiring fixture without attaching a mounting bracket, can prevent the lifting device from rolling, and does not damage the ceiling. .
[0010]
[Means for Solving the Problems]
The elevating lighting apparatus according to claim 1, further comprising: a hooking cap that has a hooking claw hooked on a wiring tool on the upper surface and a power line drawn from the lower surface; and a support piece that supports the hooking ceiling cap. A fixture having a mounting piece continuous to the support piece so as to form a step with respect to the support piece, and a lifting device to which the mounting piece of the fixture is attached; A tension stopper that is attached to the lifting device and holds the power line in a state of being pulled out from the support piece so that the lower surface of the hooking cap is in contact with the support piece; And an instrument main body which is suspended from a suspended rope so as to be movable up and down and to which the lower end of the power line is connected.
[0011]
According to the lifting / lowering lighting apparatus according to claim 1, since the hooking sealing cap can be fixed to the lifting / lowering device by the mounting tool, the power line drawn from the mounting tool, and the tension stopper of the power supply line, Compared to the above, the lifting device can be directly attached to the existing wiring apparatus without attaching a mounting bracket, and the construction is simplified, the rolling of the lifting device can be prevented, and the ceiling is not damaged. In addition, the power line can be shortened, resulting in cost reduction.
[0012]
A lifting / lowering luminaire according to claim 2 is characterized in that, in claim 1, a cylindrical fixed flange that is attached to the lifting device and covers the lifting device, and is fitted to the fixed flange so as to be extendable and retractable. A movable flange that closes a gap between the wiring device and the wiring device is provided.
[0013]
According to the lifting / lowering illumination apparatus according to claim 2, in addition to the same effects as in claim 1, the height difference of the wiring apparatus can be absorbed, and the internal lifting apparatus can be always covered, and the external fitting is impaired. Absent.
[0014]
A lifting / lowering lighting apparatus according to claim 3 is the lighting fixture according to claim 2, wherein a concave and convex engaging portion is formed on an inner periphery of the movable flange, and an upper end of the fixed flange has a claw that engages with the concave and convex engaging portion. It is.
[0015]
According to the lifting / lowering illumination apparatus according to the third aspect, the same effect as the second aspect can be obtained.
[0016]
According to a fourth aspect of the present invention, there is provided a lifting type lighting apparatus according to the second aspect, wherein a spring that presses the movable flange against the ceiling or the wiring apparatus is interposed between the fixed flange and the movable flange.
[0017]
According to the lifting / lowering lighting apparatus according to claim 4, in addition to the same effect as that of the second aspect, the clearance between the ceiling or the wiring apparatus and the movable flange is naturally generated due to the repulsion of the spring in the flange even in the oblique operation of lifting / lowering. Blocked.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described with reference to FIGS. In other words, this lifting / lowering lighting fixture has a hooking sealing cap 1, a fixture 2, a lifting / lowering device 3, a tension stopper 5, and a fixture body 6.
[0019]
The hooking sealing cap 1 has, for example, an existing hook nail 8 attached to the ceiling 19 and hooked to the wiring device 7 on the upper surface 1a, and the power line 4 is pulled out from the lower surface 1b. In the embodiment, the existing hook sealing cap 1 is used. The power line 4 is suspended from the instrument body 6 by connecting an extension cord 28 constituting a part of the power line by a connecting tool 29.
[0020]
The fixture 2 has a support piece 9 that supports the hooking sealing cap 1, has an attachment piece 10 that is continuous with the support piece 9 so as to form a step with respect to the support piece 9, and the support piece 9 has a power line. 4 has an insertion hole 11 through which 4 is inserted. In the embodiment, a substantially hat-shaped or substantially inverted U-shaped metal plate is used, the central piece thereof is used as a support piece 9, and both end pieces are used as attachment pieces 10. 10a is a fixture insertion hole.
[0021]
In the lifting device 3, the mounting piece 10 of the mounting tool 2 is mounted through the insertion hole 10a by a connecting tool 14 such as a screw. The suspended rope 13 of the lifting device 3 is, for example, a wire. 3 shows a state in which the instrument body 6 is raised, and FIG. 4 shows a state in which the instrument body 6 is lowered.
[0022]
The tension stopper 5 is attached to the lifting / lowering device 3 and stops the tension in a state where the power line 4 is pulled out from the support piece 9 so that the lower surface 1b of the hooking sealing cap 1 contacts the support piece 9. In the embodiment, the tension stopper 5 is attached to the front surface of the lifting device 3 with, for example, a screw 15, and the power line 4 is drawn from the lower surface side of the support piece 9 from the insertion hole 11 of the mounting device 2 to the rear surface side of the lifting device 3. Furthermore, it is pulled around the side surface of the lifting device 3 and is tension-stopped by the tension stopper 5. Thereby, the hooking sealing cap 1 is fixed to the lifting device 3. Therefore, since the hooking sealing cap 1 and the lifting device 3 are integrated, the lifting device 3 can be directly attached to the wiring device 7 by hooking the hooking sealing cap 1 on the wiring device 7.
[0023]
The instrument main body 6 is suspended by a suspended rope 13 of the lifting device 3 so as to be movable up and down, and is connected to the lower end of the power line 4. In the embodiment, the lamp is for a two-ring ring fluorescent lamp with a shade, and a cylindrical handle 16 for hanging up and down is suspended from the lower surface of the center, and a pull cord 30 for a switch is suspended through the handle 16.
[0024]
Moreover, in embodiment, it has the cylindrical fixed flange 17 which coat | covers the raising / lowering apparatus 3, and the movable flange 18 which plugs into this fixed flange 17 and block | closes the clearance gap between the ceiling 19. FIG. A spring 21 is interposed between the fixed flange 17 and the movable flange 18. More specifically, an attachment portion 22 for attaching the lower end portion of the fixing flange 17 to the lower end portion of the lifting device 3 is provided at the lower end portion of the fixing flange 17. The movable flange 18 is telescopically fitted to the fixed flange 17, a spring support portion 23 is extended inside the fixed flange 17, and a spring receiving portion 24 facing the spring support portion 23 is provided inside the fixed flange 17. A spring 21, for example, a compression coil spring, is interposed between the support portion 23 and the spring receiving portion 24 so as to press up the movable flange 18. For this reason, the movable flange 18 is naturally moved by the spring 21 so as to close the gap with the ceiling 19 in accordance with the wiring device 7, and the spring 21 in the flange is repelled between the ceiling and the flange even in the upward and downward oblique operations. The gap is naturally closed.
[0025]
FIG. 5A shows an example in which the wiring device 7 of this embodiment is a square hook ceiling, a round hook ceiling, or a round full hook ceiling, and the height from the ceiling 19 is high. The movable flange 18 abuts on the ceiling 19, and the upper end portion of the fixed flange 17 is positioned almost at the lower end portion of the movable flange 18. Here, the height of the flange is set to such a dimension that the lifting device 4 does not appear in the appearance when the wiring device 7 has the maximum height (for example, 23 mm).
[0026]
FIG. 5B shows a case where the wiring device 7 is a full hook rosette, which is slightly lower than that shown in FIG. 5A, but the movable flange 18 abuts against the stepped portion of the hook rosette, and a fixed flange is provided at an intermediate portion of the movable flange 18. The upper end of 17 is located and the spring 21 is slightly compressed. FIG. 5C shows an example of an embedded rosette, which is an example in which the height of the lifting device to the ceiling is low. The movable flange 18 contacts the lower surface of the wiring device 7, the upper end of the fixed flange 17 is located at the upper end of the movable flange 18, and the spring 21 is compressed most.
[0027]
Thus, the movable flange 18 can change the height of the flange according to the type of the wiring device 7, and a gap with the ceiling 19 or the like can be eliminated with respect to the various wiring devices 7, thereby improving the appearance. Since the hooking sealing cap 1 and the lifting device 3 are integrated, the length of the power line 4 can be shortened, resulting in cost reduction.
[0028]
A second embodiment of the present invention will be described with reference to FIG. In the first embodiment, the movable flange 18 is fitted on the fixed flange 17, and an uneven engagement portion 26 is formed on the inner periphery of the movable flange 18 in place of the spring 21. A claw 27 that engages with the joint portion 26 is provided. The concavo-convex engaging portion 26 is formed by, for example, knurls. When the movable flange 18 is expanded or contracted with respect to the fixed flange 17, the user manually operates the engagement or disengagement between the claw 27 and the concave / convex engagement portion 26.
[0029]
6A is the same as FIG. 5A, FIG. 6B is the same as FIG. 5B, FIG. 6C is the same as FIG. Same as (c). In each case, the height of the flange can be changed according to the type of the wiring device 7 by the movable flange 18, and a gap between the various wiring devices 7 and the ceiling can be eliminated, and the appearance is improved.
[0030]
In addition, in this invention, the fixture 2 is not restricted to the substantially hat shape of a metal plate, For example, a substantially Z shape may be sufficient. Further, the movable flange 18 may be fitted inside the fixed flange 17.
[0031]
【The invention's effect】
According to the lifting / lowering lighting apparatus according to claim 1, since the hooking sealing cap can be fixed to the lifting / lowering device by the mounting tool, the power line drawn from the mounting tool, and the tension stopper of the power supply line, Compared to the above, the lifting device can be directly attached to the existing wiring apparatus without attaching a mounting bracket, and the construction is simplified, the rolling of the lifting device can be prevented, and the ceiling is not damaged. In addition, the power line can be shortened, resulting in cost reduction.
[0032]
According to the lifting / lowering illumination apparatus according to claim 2, in addition to the same effects as in claim 1, the height difference of the wiring apparatus can be absorbed, and the internal lifting apparatus can be always covered, and the external fitting is impaired. Absent.
[0033]
According to the lifting / lowering illumination apparatus according to the third aspect, the same effect as the second aspect can be obtained.
[0034]
According to the lifting / lowering lighting apparatus according to claim 4, in addition to the same effect as that of the second aspect, the clearance between the ceiling or the wiring apparatus and the movable flange is naturally generated due to the repulsion of the spring in the flange even in the oblique operation of lifting / lowering. Blocked.
[Brief description of the drawings]
1A and 1B show a part of a lifting device according to a first embodiment of the present invention, in which FIG. 1A is a front view, FIG. 1B is a side view, and FIG.
FIG. 2 is a perspective view of a fixture.
FIG. 3 is a half cross-sectional front view of the lighting device in a raised state.
FIG. 4 is a half sectional front view of the lighting device in a lowered state.
FIG. 5 is a half sectional view showing a lifting device in which a hooking sealing cap is hooked on different wiring devices.
FIG. 6 is a half cross-sectional view of a lifting device according to a second embodiment in which a hooking sealing cap is hooked on different wiring devices.
FIG. 7 is a cross-sectional view of a first conventional example.
FIG. 8 is a front view of a second conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Hook sealing cap 2 Attaching tool 3 Elevating device 4 Power supply line 5 Tension stopper 6 Instrument body 7 Wiring instrument 8 Hook nail 9 Supporting piece 10 Mounting piece 11 Insertion hole 13 Suspension rope 17 Fixed flange 18 Movable flange 19 Ceiling 26 Unevenness Engagement part 27 Claw

Claims (4)

A hooking cap for hooking the wiring device on the upper surface and a power supply line drawn from the lower surface, and a support piece for supporting the hooking sealing cap are provided on the support piece so as to form a step with respect to the support piece. A fixture having a continuous attachment piece and having an insertion hole for inserting the power line into the support piece, an elevating device to which the attachment piece of the attachment is attached, and the support piece attached to the elevating device And a tension stopper that stops tension in a state in which the power line is pulled out from the support piece so that the lower surface of the hooking sealing cap comes into contact with the suspension cap, and is suspended up and down freely on a suspension rope of the lifting device. An elevating lighting apparatus comprising an apparatus main body connected to the lower end of the power line. A cylindrical fixed flange that is attached to the elevating device and covers the elevating device, and a movable flange that fits into the fixed flange and stretchably closes a gap between the ceiling or the wiring device. The elevating lighting apparatus according to 1. The lifting / lowering illumination device according to claim 2, wherein a concave and convex engaging portion is formed on an inner periphery of the movable flange, and an upper end of the fixed flange has a claw that engages with the concave and convex engaging portion. The elevating lighting fixture according to claim 2, wherein a spring that presses the movable flange against the ceiling or the wiring fixture is interposed between the fixed flange and the movable flange.

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