JP4280918B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture including a fixture body and a reflector.

  Conventionally, for example, for a direct-mounted lighting fixture that is directly attached to a ceiling surface using a straight tube fluorescent lamp as a light source, a reflector fixture is fixed to the fixture body and screwed into the reflector fixture. A configuration for supporting a reflector using a screw is known. And about such a lighting fixture, in order to eliminate the directionality of attachment of an instrument main body, and to make workability | operativity favorable, the structure which draws in a power wire from the power supply lead hole provided in the center part of the longitudinal direction of an instrument main body is known. ing. Moreover, about the reflector attachment tool, the structure which equips the center part of the longitudinal direction of an instrument main body with a reflector attachment tool, and makes the balance which supports a reflector favorable is known.

  However, in such a configuration, it is necessary to work so that the screw screwed into the reflector mounting fixture does not interfere with the power supply line, and there is a problem that workability is poor.

In this respect, the reflector mounting member is fixed to the instrument body, a screw receiving plate portion provided with a screw hole into which a screw is screwed, and an inclination connecting the fixing plate portion and the screw receiving plate portion. The structure made into the substantially Z shape provided with the partition plate part which was made is known (for example, refer patent document 1). In this configuration, the inclined partition plate portion can prevent interference between the screw and the power line.
Japanese Patent No. 3132329

  In the configuration including the inclined partition plate portion as in the conventional case, since the shape is complicated, a part processing technique is required, and the equipment cost required for a mold or the like for manufacturing the reflector mounting tool is increased. And in the structure of the said patent document 1, according to the combination of the some instrument main body from which a dimension mutually differs, and a some reflector, it is necessary to produce a metal mold | die for each, and to manufacture a reflector attachment tool. The manufacturing cost increases.

  This invention is made | formed in view of such a point, and it aims at providing the lighting fixture which can reduce manufacturing cost.

  The lighting fixture according to claim 1 is a fixture main body provided with an electric wire introduction port; a reflector disposed along the fixture main body; a fixture receiving plate portion provided with a fixture receiving portion; and the fixture receiving plate portion Mounting plates integrally formed with side plate portions raised from both ends of the plate, and fixed plate portions connected to the end portions of the side plate portions and fixed to the instrument body, an electric wire introduction port, and a fixture receiving plate portion. Counter plate part positioned between the inner plate part raised from both ends of the counter plate part, and internal fixing that is connected to the end part of the inner plate part and fixed to the instrument body together with the fixed plate part A reflector mounting tool including a common metal fitting integrally formed with a plate portion; and a fixing tool that is fixed to the fixing tool receiving portion and supports the reflector.

  And in this structure, a reflector is supported by the instrument main body by the fixing tool fixed to a mounting bracket. The opposing plate portion positioned between the electric wire introduction port and the fixture receiving plate portion prevents interference between the electric wire introduced from the wire introduction port between the instrument body and the reflector and the fixture. Both the mounting bracket and the common bracket have a simple shape, which facilitates part processing and reduces the manufacturing cost. If a mounting bracket corresponding to the shape of the reflector is prepared, the common bracket can be used in common for the reflectors of a plurality of shapes, so that versatility is improved and manufacturing costs are reduced.

  The lighting fixture according to claim 2 is the lighting fixture according to claim 1, wherein the mounting bracket is integrally provided with a cover plate portion covering an opening portion communicating with the space portion between the fixing member receiving plate portion and the opposing plate portion. It is formed.

  And in this structure, while suppressing an increase in manufacturing cost with a simple shape, the electric wire introduced between the instrument main body and the reflector is transferred to the space between the fixture receiving plate portion and the opposing plate portion. It is prevented from entering and interfering with the fastener.

  The lighting fixture according to claim 3 is the lighting fixture according to claim 1 or 2, wherein the side plate portion of the mounting bracket is fitted to the outside of the inner plate portion of the common bracket.

  And in this structure, the rigidity of a reflector attachment tool improves easily, and a reflector is supported stably.

  According to the lighting apparatus of the first aspect, the reflector can be supported on the apparatus body by the fixing tool that is fixed to the mounting bracket. By the opposing plate portion positioned between the electric wire introduction port and the fixture receiving plate portion, interference between the electric wire introduced from the wire introduction port between the instrument body and the reflector and the fixture can be prevented. Both the mounting bracket and the common bracket have a simple shape, which makes it easy to process parts and reduce the manufacturing cost. If a mounting bracket corresponding to the shape of the reflector is prepared, a common bracket can be used in common for a plurality of shapes of reflectors, thereby improving versatility and reducing manufacturing costs.

  According to the lighting device of claim 2, in addition to the effect of claim 1, the mounting bracket includes a cover plate portion that covers an opening portion that communicates with a space portion between the fixture receiving plate portion and the counter plate portion. Since the wire is integrally formed, the wire introduced between the fixture body and the reflector is transferred to the space between the fixture receiving plate portion and the counter plate portion while suppressing an increase in manufacturing cost with a simple shape. It can prevent entering and interfering with a fixing tool.

  According to the lighting fixture of the third aspect, in addition to the effect of the first or second aspect, the side plate portion of the mounting bracket is fitted to the outside of the inner plate portion of the common bracket, so that the rigidity of the reflector mounting fixture is increased. It can be improved easily and the reflector can be supported stably.

  Hereinafter, an embodiment of a lighting fixture of the present invention will be described with reference to the drawings.

  FIG. 1 is a partial exploded perspective view showing an embodiment of a lighting fixture of the present invention. FIG. 2 is a cross-sectional view showing the lighting apparatus. FIG. 3 is a perspective view showing a use state of the lighting apparatus.

  1 to 3, reference numeral 10 denotes a lighting fixture. The lighting fixture 10 is a direct-mounted lighting fixture 10 that is directly attached to, for example, a ceiling surface 11 and is directly attached to the ceiling surface 11. The instrument body 12, a reflector 15 which is a reflector plate attached by covering the instrument body 12 with the fixing tool 13 and the reflector attachment tool 14, and a pair attached to both ends in the longitudinal direction of the instrument body 12 are formed. The lamp socket 16 and a lighting circuit such as a ballast (not shown) attached to the lower surface of the fixture body 12 are provided. The lighting circuit is driven by the power supplied from the power supply line 18 as an electric wire arranged in the ceiling, and the straight fluorescent lamp L which is a discharge lamp as a light source mounted between the lamp sockets 16. Lights up.

  The instrument body 12 is formed by bending a metal plate, for example, and is attached to the ceiling surface 11 in close contact with the rectangular plate-shaped substrate portion 21 and both edge portions along the longitudinal direction of the substrate portion 21. And an edge plate portion 22 bent at a right angle downward. A circular power supply inlet 24, which is a power supply lead-in hole, is formed at the center in the longitudinal direction and the width direction of the substrate portion 21. Further, in the vicinity of the power supply inlet 24, a circular instrument body side mounting hole 25 is formed, which is a mounting part that is paired in the width direction of the substrate part 21 with the power supply inlet 24 interposed therebetween.

  Further, the reflector 15 is formed by bending a metal plate, for example, and covers the lower part of the instrument main body 12 along the longitudinal direction of the instrument main body 12, and the longitudinal direction of the main reflector 31. The reflection side plate part 32 bent at right angles upward on both sides along the vertical axis, and the reflection end plate part 33 bent at right angles at both ends in the longitudinal direction of the main reflector 31 are provided. . The upper edge portions of the reflection side plate portion 32 and the reflection end plate portion 33 are in contact with the ceiling surface 11. A circular reflector-like attachment hole 35 as an attachment portion is formed at the center in the longitudinal direction and the width direction of the main reflector portion 31. Further, the reflection end plate portion 33 is provided with a knock-out portion 36. By cutting off the knock-out portion 36 as necessary, a power supply line such as a so-called F cable can be introduced or led out by a feed wiring.

  The fixing tool 13 is a reflector mounting screw, and includes a shaft portion 37 provided with a thread and a disc-shaped head portion 38 provided at the base end portion of the shaft portion 37. Further, the tip end portion of the shaft portion 37 is formed in a pointed conical shape or the like in order to improve workability at the time of insertion into the reflector side mounting hole 35.

  Further, the reflector fixture 14 includes a fitting 41 and a common fitting 42 each having a substantially U-shape. The mounting bracket 41 is formed integrally with, for example, a single metal plate by bending it using a mold (not shown), and a fastener receiving plate portion 44 that is a screw receiving plate portion having a square plate shape. A pair of rectangular plate-like side plate portions 45 bent vertically at both ends in the longitudinal direction of the fixing member receiving plate portion 44, and the upper end portions of these side plate portions 45 vertically outward, that is, the fixing device A pair of square plate-like fixed plate portions 46 bent horizontally in a direction away from the receiving plate portion 44, and two pairs each vertically bent from both sides of each side plate portion 45, that is, a total of four pieces And a cover plate portion 47 that can also be called a flap portion having a square plate shape. A fastener receiver 48 that is a screw hole is formed at the center in the longitudinal direction and the width direction of the fastener receiver plate portion 44. Each fixing plate portion 46 is formed with a fixture receiving portion 49 that is a screw hole. Note that a plurality of shapes of each side plate portion 45, for example, a longitudinal dimension, that is, a vertical dimension, are prepared in accordance with the shape of the reflector 15 and the like.

  Further, the common metal fitting 42 is formed by integrally bending, for example, a single metal plate using a mold (not shown), and a counter plate portion 51 which is a flat portion having a square plate shape, and the counter plate portion. A pair of rectangular plate-like inner plate portions 52 that are vertically bent at both ends in the longitudinal direction of 51, and the upper end portions of these inner plate portions 52 are perpendicular to the outside, that is, away from the opposing plate portion 51. And an inner fixing plate portion 53 having a pair of square plates bent horizontally in the direction. Each inner fixing plate portion 53 is formed with a circular mounting hole 55. In principle, only one type of the common metal fitting 42 is used regardless of the shape of the reflector 15 or the like.

  The mounting bracket 41 and the common bracket 42 are integrally attached to the instrument main body 12 by two screws 58 serving as fixtures. That is, while fitting the common bracket 42 inside the mounting bracket 41, the inner plate 52 is fitted inside the side plate 45, and the inner fixing plate 53 is stacked on the upper side of the fixing plate 46, The fixture receiving portion 49 and the mounting hole 55 are aligned. Then, the inner fixing plate portion 53 is pressed against the lower surface of the board portion 21, and the mounting holes 55 are aligned with the fixture body side mounting holes 25, and the screws are inserted into the fixture body side mounting holes 25 from the upper side of the board portion 21. 58 is inserted, and further passed through the attachment hole 55 and screwed into the fixture receiving portion 49. By tightening the screw 58, the fixing plate portion 46 is fastened and fixed to the substrate portion 21 side with the inner fixing plate portion 53 interposed therebetween. In this state, a space portion 60 having a predetermined height is formed between the opposing plate portion 51 and the fixture receiving plate portion 44, and the openings at both ends of the space portion 60 are covered. It is covered with a plate part 47.

  The reflector fixture 14 attached to the appliance main body 12 in this way is arranged so as to straddle the electric wire introduction port 24, and the power supply line 18 introduced from the electric wire introduction port 24 is connected by the common metal fitting 42. It is guided in either the front or rear direction along the longitudinal direction.

  Then, the reflector 15 is attached to the lower side of the fixture body 12 with the power supply line 18 connected to the terminal block of the lighting circuit. In this operation, the reflector 15 is applied to the lower side of the fixing member receiving plate 44, and the reflector side mounting hole 35 is aligned with the fixing member receiving part 48. The portion 37 is inserted into the reflector-side mounting hole 35, screwed into the fixing member receiving portion 48, and tightened. In this state, the distal end portion of the shaft portion 37 of the fixing tool 13 is located in the space portion 60 surrounded by the mounting bracket 41 and the common bracket 42 so as not to interfere with other members such as the power line 18. Yes. Further, the counter plate portion 51 is set at a position where the tip portion of the shaft portion 37 of the fastened fastener 13 does not come into contact.

  As described above, according to the present embodiment, the reflector 15 can be supported on the instrument main body 12 by the fixing tool 13 screwed into the reflector fixture 14 fixedly attached to the instrument main body 12.

  And this reflector attachment tool 14 is arrange | positioned in the center part of the longitudinal direction of the instrument main body 12, and can stably support the reflector 15 easily. Further, the electric wire introduction port 24 is also arranged at the center in the longitudinal direction of the appliance main body 12, and there is no directionality of the installation work, and the workability of the installation work can be improved. In this configuration, the fixture receiving portion 48 of the reflector fixture 14, that is, the fixture 13, is arranged to face the wire introduction port 24. In the present embodiment, the wire introduction port 24 is arranged. Since the opposing plate portion 51 is provided so as to face the fixture receiving portion 48, the tip of the fixture 13 does not come into contact with the power line 18 introduced from the electric wire introduction port 24, and the power line 18 can be easily protected. , Workability can be improved.

  In addition, the mounting bracket 41 and the common bracket 42 constituting the reflector mounting fixture 14 are both formed in a substantially U-shape by bending a single metal plate at a plurality of positions at right angles, and bent at an acute angle. For example, a simple structure having no part to be manufactured can be manufactured using a mold having a simple structure, for example, parts can be easily processed, and the manufacturing cost can be reduced. The mounting bracket 41 and the common bracket 42 can be fastened together by the same screw 58, which is a fixture, and can be fixed integrally, thereby reducing the number of parts and improving workability and reducing manufacturing costs.

  Furthermore, it is only necessary to prepare an appropriate mounting bracket 41 according to the shape of the reflector 15 or the instrument body 12, and the common bracket 42 only needs to have one kind of common shape. Cost can be reduced. That is, the lighting fixtures are different in shape of the fixture main body and the reflector, but there are also lighting fixtures that are similar in shape and differ only in some dimensions.In such a case, the same common fitting 42 is used, By providing the mounting bracket 41 having a plurality of dimensions and selectively using it, the cost required for a manufacturing apparatus such as a mold, the cost required for managing parts, and the like can be reduced, and the manufacturing cost can be reduced.

  Further, the reflector fixture 14 includes a cover plate portion 47 positioned between the fixture receiving plate portion 44 and the counter plate portion 51, and a space portion 60 into which the tip portion of the shaft portion 37 of the fixture 13 is inserted. Therefore, the interference between the fixing tool 13 and other components can be suppressed without being limited to the power supply line 18 inserted from the electric wire introduction port 24. For example, in the case of a power supply method using a so-called feed wiring when attaching a plurality of lighting fixtures 10 to each other, a power line such as a so-called F cable is provided from the knockout portion 36 at the end of the lighting fixture 10 to the inside of the fixture body 10. When the is inserted, interference between the power line and the fixing tool 13 can be prevented. Further, since the cover plate portion 47 is formed integrally with the side plate portion 45 of the mounting bracket 41 by bending, the structure is simple and the manufacturing cost can be reduced.

  Furthermore, in the present embodiment, the side plate portion 45 of the mounting bracket 41 is closely fitted to the outside of the inner plate portion 52 of the common bracket 42, so that the rigidity of the reflector mounting tool 14 can be easily improved and reflected. The body 15 can be supported stably.

  In the above embodiment, the cover plate portion 47 is integrally formed by bending the side plate portion 45 of the mounting bracket 41. However, the cover plate portion 47 is not limited to this configuration. For example, the cover plate portion 47 is bent from the fixture receiving plate portion 44. It can also be formed. Further, the cover plate portion 47 may cover the opening portion to such an extent that insertion into the space portion 60 can be prevented, and there may be a slight gap. Further, the cover plate portion 47 can be omitted.

  Further, the fixing member receiving portion 48 and the fixing member receiving portion 49 of the mounting bracket 41 are each formed as a screw hole. However, the present invention is not limited to this configuration. Self-tapping screws can also be used.

  The present invention can be used as, for example, a facility lighting apparatus installed on a ceiling surface of an office.

It is a partial exploded perspective view which shows one Embodiment of the lighting fixture of this invention. It is sectional drawing which shows a lighting fixture same as the above. It is a perspective view which shows the use condition of a lighting fixture same as the above.

Explanation of symbols

10 Lighting equipment
12 Instrument body
13 Fastener
14 Reflector mounting
15 Reflector
24 Wire inlet
41 Mounting bracket
42 Common bracket
44 Fastener receiving plate
45 Side plate
46 Fixed plate
47 Cover plate
48 Fastener receptacle
51 Opposite plate
52 Inner plate
53 Inner fixing plate
60 space

Claims (3)

An instrument body provided with a wire inlet;
A reflector disposed along the instrument body;
Fastener receiving plate portion provided with a fastener receiving portion, side plate portions raised from both ends of the fastener receiving plate portion, and a fixed plate portion connected to the end portions of the side plate portions and fixed to the instrument body Mounting plate integrally formed, an opposing plate portion positioned between the electric wire introduction port and the fixture receiving plate portion, an inner plate portion raised from both ends of the opposing plate portion, and these inner plate portions A reflector fitting provided with a common fitting integrally formed with an inner fixing plate portion that is connected to the end portion of the inner portion and is fixed to the instrument body together with the fixing plate portion;
A fastener that is secured to the fastener receiver and supports the reflector;
The lighting fixture characterized by comprising. The lighting fixture according to claim 1, wherein a cover plate portion that covers an opening portion that communicates with a space portion between the fixture receiving plate portion and the counter plate portion is integrally formed on the mounting bracket. The luminaire according to claim 1 or 2, wherein the side plate portion of the mounting bracket is fitted to the outside of the inner plate portion of the common bracket.

Images