JP5429969B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture that is directly attached to a ceiling surface of, for example, a house or a factory, and particularly relates to a lighting fixture that includes a louver.

  As an example of a conventional lighting fixture, there is a lighting fixture in which a louver having a reflector and a louver piece and a fixture main body are connected by a temporary hanging strap (see, for example, Patent Document 1).

  In the lighting fixture disclosed in Patent Document 1, the louver is suspended from the fixture body using a temporary hanging strap during lamp replacement or maintenance.

JP 11-339540 A (FIG. 1, claim 1) JP 2008-059939 A (FIG. 2, claim 1)

However, in the conventional lighting fixture disclosed in Patent Document 1, when the lamp is replaced or maintained, if there is not enough room between the louver and the fixture main body, the construction space becomes small. . Therefore, the temporary hanging strap may be lengthened.
However, if the temporary suspension strap is lengthened to increase the space between the louver and the instrument body, the elongated temporary suspension strap tends to protrude when the louver is attached to the instrument body.
Therefore, there is a risk that the quality of the luminaire may be deteriorated due to the appearance quality being deteriorated or the protruding temporary hanging strap hanging down on the lamp.

  The present invention has been made to solve the above-described problems, and its purpose is to improve the merchantability so as not to protrude the temporary hanging straps, and to reduce the construction space when replacing the lamp. An object of the present invention is to provide a lighting fixture that can be sufficiently secured to facilitate lamp replacement and maintenance.

A lighting fixture according to the present invention includes a fixture main body that holds a plurality of straight tube fluorescent lamps in parallel, a long medium reflector that is attached to the fixture main body and disposed between the fluorescent lamps, a luminaire provided with the in reflector has a space inside, and has bent portions are provided the edge is bent inwardly, said bent portion, provisional suspended A string holding hole is provided , the temporary hanging string has a hooking portion at one end of the string main body, and the string main body of the temporary hanging string is inserted into the temporary hanging string holding hole, And the said latching | locking part in the said temporary hanging strap is latched on the said bending part, and is hold | maintained in the space between the said bending part and the said instrument main body on the said hole for temporary suspension strap holding | maintenance. In addition, the string main body of the temporary hanging string is housed in a space inside the middle reflecting plate .

In the present invention, the temporary hanging strap has one end connected to the instrument main body and the other end connected to the temporary hanging strap holding hole in the bent portion of the edge bent to the inside of the middle reflector.
As a result, the intermediate reflector is formed in, for example, a V shape and has a space at the center, so that when the intermediate reflector is attached to the instrument body, a temporary suspension string is placed in the space of the intermediate reflector. Is stored.
Therefore, even if the temporary hanging strap is lengthened, it is possible to improve the merchantability so that it does not stick out, and it is easy to perform lamp replacement and maintenance by ensuring a sufficient installation space when replacing the lamp. Can do.

  The lighting fixture according to the present invention is characterized in that, in the lighting fixture, the temporary hanging strap holding hole is provided on a diagonal line between one end edge and the other end edge of the intermediate reflector. .

In the present invention, when the intermediate reflector is suspended from the instrument main body using the temporary suspension strap during lamp replacement or maintenance, the other end of the temporary suspension strap is folded inside the intermediate reflector. It is connected to a temporary suspension strap holding hole arranged diagonally at the end edge.
As a result, the intermediate reflector is held parallel to the instrument body at a position away from the instrument body.
Therefore, an effective construction space can be ensured between the middle reflecting plate held in parallel to the instrument body and the instrument body.

The lighting fixture according to the present invention is the above lighting fixture , wherein the elongated strap insertion gap is in communication with the temporary suspension strap holding hole , and the middle strap is opposed to the elongated strap insertion gap. Of the first part and the second part of the reflector, the second part functions as a temporary hanging strap attachment invitation, and the second part as the temporary suspension attachment attachment invites the intermediate reflection. some of the plates, are inclined obliquely downward, characterized in Oh Rukoto in part formed by.

According to the lighting fixture of the present invention, the intermediate reflecting plate is bent inward at its edge, and the temporary hanging strap holding hole is provided in the bent portion.
As a result, it is possible to improve the merchantability so as not to protrude the temporary hanging straps, and it is possible to make it easy to replace and maintain the lamp by sufficiently securing the construction space when replacing the lamp. Have

The external appearance perspective view seen from diagonally downward of the lighting fixture of 1st Embodiment which concerns on this invention 1 is an exploded perspective view of the lighting apparatus of FIG. FIG. 1 is an external perspective view of the assembly of the louver and the intermediate reflector in the lighting apparatus of FIG. FIG. 3 is a partially broken external view of the first temporary hanging strap holding hole in the middle reflector of FIG. FIG. 3 is a partially broken external view of the second temporary suspension strap holding hole in the middle reflector. The front view of the 1st step explaining the assembly | attachment procedure of the assembly in the lighting fixture of FIG. Front view of the temporary hanging strap in the assembly of FIG. The front view of the 2nd step explaining the assembly | attachment procedure of the assembly in the lighting fixture of FIG. Detailed view of the louver in the assembly of FIG. The front view of the 3rd step explaining the assembly | attachment procedure of the assembly in the lighting fixture of FIG. The partially broken top view of the hole for 2nd temporary hanging strap holding | maintenance in the lighting fixture of 2nd Embodiment which concerns on this invention Vertical sectional view of FIG.

  Hereinafter, the lighting fixture which concerns on several embodiment of this invention is demonstrated with reference to drawings.

(First embodiment)
As shown in FIGS. 1 and 2, a lighting fixture 10 according to a first embodiment of the present invention includes a fixture main body 11, a pair of straight-tube fluorescent lamps 12 that are light sources, and a plurality of fluorescent lamps 12. The assembly 13 having the louver 14 and the middle reflecting plate 15, and the pair of first temporary suspension straps 16 and second temporary suspension straps 17, are directly attached to the ceiling surface 1.

  The instrument body 11 is formed using a relatively thin metal plate member, and has a top plate 18, a pair of short side plates 19, and a pair of long side plates 20. .

  The appliance main body 11 has a ballast 21, a terminal block 22, and a pair of medium reflector mounting springs 23 attached to the center in the width direction on the lower surface of the top plate 18, respectively.

  The instrument main body 11 has a pair of mounting bolt holes 24 in the longitudinal direction at the lower surface of the top plate 18 and a pair of temporary hanging strap hooks 25 in the longitudinal direction near the short side plate 19. A single power line insertion hole 26 is provided in the vicinity of the terminal block 22.

  A pair of mounting bolts 2 protruding from the ceiling surface 1 toward the floor surface are inserted into the mounting bolt holes 24. Then, the fixture main body 11 is assembled in contact with the ceiling surface 1 by screwing the nuts 28 into the mounting bolts 2 through the washers 27.

  The temporary hanging string hooking portion 25 is formed so as to protrude downward in a V shape by cutting and forming the top plate 18.

  The power line 3 is drawn into the power line insertion hole 26 from the ceiling surface 1 side. The power line 3 is electrically connected to the terminal block 22. A tool wire (not shown) is connected from the terminal block 22 to the lamp socket 29 through the ballast 21.

  The middle reflecting plate mounting spring 23 is disposed so as to project in a C shape toward the lower side of the top plate 18 of the instrument body 11.

  The middle reflector mounting spring 23 is assembled to the instrument body 11 by sandwiching both upper ends of the middle reflector 15 with L-shaped portions at both ends.

  The appliance body 11 has two pairs of lamp sockets 29 attached to the inside of each short side plate 19.

  The louver 14 is formed using a relatively thin metal plate member similar to the instrument body 11. The louver 14 has a width dimension that is smaller than the distance dimension between the two long side plates 20 of the instrument body 11, and has a height dimension that is determined in advance so that the center part is large and the both side parts are small.

  The middle reflecting plate 15 is formed in a V shape using a relatively thin metal plate member similar to the louver 14. The middle reflecting plate 15 has a length dimension that is smaller than the distance between the short side plates 19 of the instrument body 11 and includes a pair of sub-reflecting plates 30 on both outer sides along the longitudinal direction.

  The middle reflecting plate 15 has a space portion (see FIG. 3) 31 inside. Therefore, the intermediate reflector 15 accommodates the ballast 21, terminal block 22, mounting bolt 2, washer 27 and nut 28, power line 3, and temporary suspension strap hooking portion 25 in the space portion 31 to store the instrument body. 11 is attached.

  The first temporary hanging strap 16 has a hook portion 33 having an S-shape at one end portion of a cord body 32 having a predetermined and sufficiently long length, and has a substantially spherical shape at the other end portion of the cord body 32. It has a latching part (see FIG. 7) 34.

  The second temporary suspension strap 17 is formed in the same manner as the first temporary suspension strap 16, has a hook portion 36 at one end portion of the cord main body 35, and has a substantially spherical shape at the other end portion of the cord main body 35. A stop (see FIG. 7) 37 is provided.

  The hook portion 33 of the first temporary hanging strap 16 is hooked on one temporary hanging strap hooking portion 25 of the instrument main body 11, and the hook portion 36 of the second temporary hanging strap 17 is hooked on the other temporary hanging strap hook of the instrument main body 11. It is hooked on the part 25.

  As shown in FIG. 3, the middle reflecting plate 15 is bent at both end edges inward to form bent portions 38 and 39, and is on a diagonal line between one bent portion 38 and the other bent portion 39. A first temporary hanging strap holding hole 40 and a second temporary hanging strap holding hole 41 are provided near the end.

  The middle reflecting plate 15 has a plurality of louver mounting slits 42 for mounting the louvers 14 and a pair of bent piece insertion holes 43 arranged outside the louver mounting slits 42 at equal intervals in the longitudinal direction.

  As shown in FIG. 4, the first temporary suspension strap holding hole 40 is formed in communication through an insertion notch 44 that is opened and cut in a rectangular shape near one end of one bent portion 38.

  As shown in FIG. 5, the second temporary hanging strap holding hole 41 is formed in communication through an insertion cutout 45 that is opened and cut into a rectangle near the other end of the other bent portion 39.

  Next, the detailed structure and assembly procedure of the louver 14, the intermediate reflector 15 and the temporary suspension straps 16 and 17 will be described.

  As shown in FIG. 6, the louver 14 has a middle reflector mounting concave portion 47 that is cut out in a V shape from the upper side to the lower side and has a pair of bent pieces 46 protruding from the center. A pair of fluorescent lamp escape recesses 48 that are also cut out in a curved shape from the top to the bottom are provided on both sides of the reflector mounting recess 47. The louver 14 has a pair of sub-reflector mounting slits 49 cut out in an I shape from the upper side to the lower side outside the fluorescent lamp escape recess 48.

  The louver 14 positions the middle reflector mounting recess 47 at the center position of the middle reflector 15 and then inserts the middle reflector mounting recess 47 into the louver mounting slit 42 of the middle reflector 15. The bent pieces 46 are respectively inserted into the pair of bent piece insertion holes 43.

  As shown in FIG. 7, the first temporary hanging strap 16 has a latching portion 34 having a shape in which the cord main body 32 is bound to the other end of the cord main body 32. The first temporary hanging strap 16 is inserted into the string body 32 through the insertion notch 48, so that the hooking portion 34 is hooked on the upper portion of the one bent portion 38 and the first temporary hanging strap holding hole 40. Is held in. Therefore, the first temporary hanging strap 16 is accommodated in the space portion 31 of the middle reflecting plate 15. Although not shown here, the second temporary hanging strap 17 is also held in the second temporary hanging strap holding hole 41 by being hooked on the upper portion of the other bent portion 39 in the same manner as the first temporary hanging strap 16. Then, it is housed in the space 31 of the middle reflector 15.

  Here, the one bent portion 38 of the middle reflecting plate 15 has a bending angle sufficiently smaller than the inclination angle between the middle reflecting plate 15 and the instrument body 11. Therefore, when the middle reflecting plate 15 is assembled to the instrument body 11, the bent portion 38 does not come into surface contact with the instrument body 11. Thereby, the latching part 34 of the first temporary hanging strap 16 is not crushed, and the bent part 38 is not lifted by the latching part 34.

  As shown in FIG. 8, the concave portion 47 for attaching the intermediate reflector of the louver 14 is inserted into the slit 42 for attaching the louver of the intermediate reflector 15, and the pair of bent pieces 46 are respectively inserted into the pair of bent piece insertion holes 43. As a result, the pair of bent pieces 46 respectively inserted into the pair of bent piece insertion holes 43 protrude to the inside of the intermediate reflecting plate 15.

  As shown in FIG. 9, at this time, the middle reflector mounting recess 47 of the louver 14 inserted into the louver mounting slit 42 of the middle reflector 15 is inserted with a dimension sufficiently larger than the minimum thickness T1. .

  Thereby, it is possible to prevent a large gap from being generated between the louver mounting slit 42 due to the inclination at the time of insertion and the louver 14 and the dimensional variation of the intermediate reflector 15.

  Further, since it has a function of inviting at the time of insertion, it is possible to easily insert the middle reflector mounting recess 47 of the louver 14 into the louver mounting slit 42 of the middle reflector 15.

  Further, when the louver 14 is fixed to the intermediate reflector 15 by bending the pair of bent pieces 46 inside the intermediate reflector 15, in addition to supporting the pair of bent pieces 46 to the pair of bent pieces insertion holes 43. The mutual fixing force between the louver 14 and the intermediate reflector 15 can be enhanced by supporting the concave part 47 for attaching the intermediate reflector to the slit 42 for attaching the louver.

  Next, as shown in FIG. 10, the louver 14 is fixed to the middle reflecting plate 15 by the bent pieces 46 by bending the pair of bent pieces 46 that protrude from each other toward the inside of the middle reflecting plate 15. Then, by inserting the sub-reflecting plate 30 into the sub-reflecting plate mounting slit 49 of the louver 14, an assembly 13 composed of the plurality of louvers 14, the pair of sub-reflecting plates 30, and the intermediate reflecting plate 15 is formed. Is done.

  Such an illuminating device 10, in an assembly process at a factory, assembles an assembly 13 including a plurality of louvers 14, a pair of sub-reflection plates 30, and a middle reflection plate 15, and then performs intermediate reflection of the assembly 13. The hook portion 34 of the first temporary suspension strap 16 is hooked in the first temporary suspension strap holding hole 40 of one bent portion 38 of the plate 15 and the second temporary suspension strap holding portion of the other bent portion 39 is held. The retaining portion 37 of the second temporary hanging strap 17 is retained in the hole 41.

  At the construction site, the pair of mounting bolt holes 24 of the instrument body 11 are aligned with the mounting bolts 2 of the ceiling surface 1, and the power line 3 is drawn into the power line insertion hole 26 of the instrument body 11 to place the instrument body 11 at a predetermined position. .

  Next, the appliance main body 11 is assembled to the ceiling surface 1 by screwing the nuts 28 into the mounting bolts 2 through the washers 27. At this time, the assembly 13 is suspended below the instrument body 11 by the temporary suspension straps 16 and 17.

  Then, the two fluorescent lamps 12 are respectively attached to the two pairs of lamp sockets 29 by using the construction space formed between the instrument main body 11 and the assembly 13 by the temporary hanging straps 16 and 17. The intermediate reflector 15 is attached to the instrument body 11 by assembling the intermediate reflector 15 to the intermediate reflector attachment spring 23.

  When the lamp replacement time or maintenance time comes, the middle reflector 15 is removed from the middle reflector mounting spring 23. Then, the hook portions 33 and 36 are hooked on the temporary hanging strap hook portions 25 and 25 of the instrument main body 11, and the hook portions 34 and 37 are held in the temporary strap holding holes 40 and 41. The assembly 13 is suspended below the instrument body 11 by the temporary suspension straps 16, 17.

  Then, replacement work and maintenance of each fluorescent lamp 12 are performed using the construction space formed between the instrument main body 11 and the assembly 13 by the temporary suspension straps 16 and 17.

  After the lamp replacement and maintenance are completed, the intermediate reflector 15 is attached to the instrument body 11 by re-attaching the intermediate reflector 15 to the intermediate reflector attachment spring 23.

As described above, in the lighting fixture 10 according to the first embodiment of the present invention, the first temporary hanging strap 16 and the second temporary hanging strap 17 connect the hook portions 33 and 36 to the fixture body 11, and The hooking portions 34 and 37 are connected to the temporary suspension strap holding holes 40 and 41 in the bent portions 38 and 39 at the edges bent to the inside of the intermediate reflecting plate 15.
As a result, the middle reflector 15 is formed in a V shape and has a space 31 at the center, so that when the middle reflector 15 is attached to the instrument body 11, the space of the middle reflector 15. The temporary suspension straps 16 and 17 are accommodated in 31.
Therefore, even if each of the temporary hanging straps 16 and 17 is lengthened, it is possible to improve the merchantability so as not to protrude, and to secure a construction space at the time of lamp replacement to replace the fluorescent lamp 12. Maintenance can be facilitated.

In the lighting fixture 10 according to the first embodiment of the present invention, when the intermediate reflector 15 is suspended from the fixture body 11 using the temporary suspension straps 16 and 17 when the fluorescent lamp 12 is replaced or maintained, each temporary suspension is provided. The hooks 34 and 37 of the strings 16 and 17 are connected to the temporary suspension string holding holes 40 and 41 that are diagonally arranged on the edge bent inside the intermediate reflector 16.
Thereby, the middle reflecting plate 15 is held in parallel to the instrument main body 11 at a position away from the instrument main body 11.
Therefore, an effective construction space can be ensured between the middle reflector 15 and the instrument body 11 that are held parallel to the instrument body 11.

(Second Embodiment)
Next, the lighting fixture of 2nd Embodiment of this invention is demonstrated. Note that, in the following second embodiment, the same or equivalent components in the drawing are simplified or described for the same components or functionally similar components as those in the first embodiment described above. Omitted.

  As shown in FIGS. 11 and 12, the lighting fixture 60 according to the second embodiment of the present invention is directed downward with respect to a surface provided with a gradient so as to increase in the temporary hanging strap insertion direction, that is, a mounting surface. And a first temporary suspension strap holding hole 63 (second temporary suspension strap retention hole 64) provided with a temporary suspension strap attachment guide portion 62 that is bent obliquely and has a string insertion gap 61.

  The first temporary hanging strap 16 has the hook body 34 inserted above the one bent portion 38 by the string main body 32 being inserted from the insertion notch 48 through the string insertion gap 61 of the temporary hanging strap attachment invitation portion 62. And is held in the first temporary hanging strap holding hole 63.

In the luminaire 60 of the second embodiment, the temporary suspension straps 16 and 17 have temporary suspension strap attachment invitation portions 62 and 62 that are inclined with respect to the attachment surfaces and inclined with respect to the attachment portions 34 and 37. To the temporary suspension strap holding holes 63 and 64.
As a result, even if a force parallel to the mounting surface is applied to the temporary suspension straps 16 and 17 in which the latch portions 34 and 37 are connected to the temporary suspension strap holding holes 63 and 64, the temporary suspension straps 16 and 17 are applied. Will be caught by the temporary hanging strap attachment invitation portions 62, 62.
Therefore, it is possible to prevent the temporary hanging straps 16 and 17 from being removed from the temporary hanging strap holding holes 63 and 64 to ensure a reliable connection state.

  In addition, the instrument main body 11, the fluorescent lamp 12, the louver 14, the intermediate reflector 15 and the like used in the above embodiments are not limited to those illustrated, and can be appropriately changed.

10, 60 Lighting equipment 11 Equipment body 12 Fluorescent lamp (light source)
15 Medium reflector 38, 39 Folding portion 40 First temporary hanging strap holding hole (temporary hanging strap holding hole)
41 Second temporary hanging strap holding hole (temporary hanging strap holding hole)
62 Temporary hanging strap attachment invitation 63 First temporary hanging strap holding hole (temporary hanging strap holding hole)
64 Second temporary hanging strap holding hole (temporary hanging strap holding hole)

Claims (3)

An instrument body holding a plurality of straight tube fluorescent lamps in parallel,
A long medium reflector attached to the instrument body and disposed between the fluorescent lamps;
A lighting fixture comprising:
The intermediate reflector has a space on the inner side, and an edge thereof is bent inward to provide a bent portion ,
The bent portion, temporary hanging cord holding hole is provided,
The temporary hanging string has a hooking portion at one end of the string main body,
The string main body of the temporary hanging strap is inserted into the temporary hanging strap holding hole, and the hook portion of the temporary hanging strap is hooked on the bent portion to hold the temporary hanging strap. It is held in a space above the hole between the bent portion and the instrument main body, and the string main body of the temporary hanging strap is housed in a space inside the intermediate reflector. Lighting equipment.   The lighting fixture according to claim 1, wherein the temporary hanging strap holding hole is provided on a diagonal line between one end edge and the other end edge of the middle reflecting plate. An elongated string insertion space communicates with the temporary suspension string holding hole , and the first and second portions of the intermediate reflector are opposed to each other with the elongated string insertion space interposed therebetween. Of these, the second part functions as a temporary strap attachment invitation part, and the second part as the provisional strap attachment invitation part is formed by inclining a part of the intermediate reflector obliquely downward. luminaire according to claim 1 or 2, characterized in Oh Rukoto in part.

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