JP5235064B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture in which a lamp that houses a light source is covered with a shade.

As a lighting fixture in which a lamp that accommodates a conventional light source is covered with a shade, a lighting fixture as shown in FIG. 11 is known (see, for example, Patent Document 1).
As shown in FIG. 11, the lighting fixture 100 includes a shade 101 having a U-shaped cross section having an opening 101 a facing downward, and a lamp 102 and a ballast 103 are accommodated inside the shade 101. The lamp 102 has a tubular light source 104 and a reflecting plate 105 that reflects light from the light source 104 downward.
JP 2001-143503 A

  By the way, in the lighting fixtures used in recent buildings, there is a strong demand for further miniaturization and appearance improvement. For example, in the structure of a conventional lighting fixture, in order to replace the lamp safely and easily, it is necessary to secure a space where a finger can be inserted, resulting in an increase in the size of the cross section of the fixture.

  The present invention has been made to satisfy the above-described demand, and an object of the present invention is to provide a lighting apparatus that can be reduced in size and can have good appearance.

The lighting fixture of the present invention has an opening, a cross-sectional shape is continuous for a predetermined length, a shade made of a light-shielding material for improving appearance when attached to the ceiling or suspended from the ceiling, A lamp reflector having a U-shaped cross-section, which is housed entirely in the inside of the shade and fixed to the shade, and is connected to the lamp reflector in the lamp reflector and connected to the lamp reflector. A lamp body having a lamp body that supports a light source, the lamp reflector and a support shaft member that penetrates the lamp body, and a tubular light source that is supported by the lamp body inside the lamp reflector. The shade has a shape different from that of the lamp reflector, and the lamp body is supported by the support shaft member on the lamp reflector fixed to the shade, and the front The lamp body rotates with the light source inside the lamp reflector around the support shaft member orthogonal to the longitudinal direction of the shade and parallel to the opening surface of the shade. Sunk from the shade , and further provided between the top plate of the shade and the lamp reflector, and between the mounting base to which the lamp is attached, and between the top plate of the shade and the lamp reflector A terminal block provided; and a first connector provided between the top plate of the shade and the lamp reflector, and is exposed to the outside through the upper surface of the lamp reflector and the upper surface of the lamp reflector. a second connector connected to said first connector, in the interior of the lamp reflecting plate provided above the tubular light source, a ballast connected to the second connector, Ru comprising a.

  With this configuration, since the shade covers the lamp, a good appearance can be obtained. Accordingly, it is not necessary to consider the appearance of the lamp, and it is only necessary to satisfy the function as the lamp, so that the overall width can be reduced. Moreover, since the light source can protrude from the shade, the construction can be simplified and the light source can be easily replaced.

  With this configuration, the lamp body is supported on the lamp reflector fixed to the shade by the support shaft member.

  Furthermore, in the lighting fixture of the present invention, the support shaft member includes a head, a cylindrical portion having a smaller diameter than the head, and a screw portion continuous along the same axis as the cylindrical portion, and the lamp The cylindrical portion is penetrated through one of a side reflector in the reflector and a parallel plate provided in the lamp body and parallel to the side reflector, and the screw portion is screwed into the other. It has a configuration.

  With this configuration, the lamp body is supported by the peripheral surface of the cylindrical portion of the support shaft member attached to the lamp reflector, and thus can smoothly rotate around the support member.

  Furthermore, the lighting fixture of this invention has the structure which the protrusion part provided in one of the said side part reflecting plate and the said parallel plate contacts in a slidable manner with respect to the other.

  With this configuration, the side reflector of the lamp reflector and the parallel plate provided on the lamp body are in a point-sliding contact with the protrusion, so that the frictional resistance due to surface contact can be eliminated and smooth rotation is achieved. can do. Moreover, peeling of the coating film can be prevented.

  In the present invention, since the shade covers the lamp, a good appearance can be obtained. Accordingly, it is not necessary to consider the appearance of the lamp, and it is only necessary to satisfy the function as the lamp, so that the overall width can be reduced. Moreover, since the light source can protrude from the shade, the construction can be simplified, and a lighting fixture having an effect that the light source can be easily replaced can be provided.

Hereinafter, the lighting fixture of embodiment of this invention is demonstrated using drawing.
FIG. 1 is a perspective view showing the entirety of a lighting fixture according to a first embodiment of the present invention, FIG. 2 is an assembly drawing of the lighting fixture, FIG. 3 is a sectional view of the lighting fixture, and FIG. 4B is a sectional view along the longitudinal direction showing a state in which the lamp body is attached to the lamp reflector and its end view, and FIG. 4C is a sectional view of the reflector. FIG. 5 is an enlarged cross-sectional view showing the right half of the shade and the lamp, FIG. 6 is an enlarged cross-sectional view showing the left half of the shade and the lamp, and FIG. Is an exploded perspective view showing the mounting portion of the lamp body with respect to the lamp reflector, FIG. 7B is a cross-sectional view of the mounting portion, FIG. 7C is an enlarged view of the support shaft member, and FIG. 9A is a perspective view showing a state where the lamp protrudes from the shade, and FIG. 9A shows the arrangement of the end plates. Akirazu, and FIG. 9 (B) is an enlarged sectional view showing the relationship between the end plate and the lamp, FIG. 10 (A) is an exploded perspective view of the end plate, FIG. 10 (B) is a cross-sectional view of the end plate.

  As shown in FIGS. 1 to 3, the lighting fixture 1 includes a shade 10 having an opening 11 and a lamp 20 accommodated in the inside of the shade 10, and a lamp 24 as a light source is provided in the lamp 20. Installed interchangeably. Thereby, since the lamp | ramp 20 is covered with the shade 10, a favorable external appearance property is obtained. Further, since the lamp 20 having the lamp 24 is covered with the shade 10, it is not necessary to consider the appearance of the lamp 20, and it is sufficient to satisfy only the function as the lamp 20, thereby reducing the overall width. it can.

  The shade 10 is formed to have a predetermined length by a light-shielding material such as metal or plastic having a U-shaped cross section with the opening 11 facing downward, and is fixed directly to the ceiling or wall or suspended from the ceiling. Used by lowering. The shade 10 can be divided into a plurality of parts and has a predetermined length as a whole. Further, end plates 12 as end members for closing the end surfaces are provided at both ends in the longitudinal direction, and connectors 13 are provided inside the end plate 12. Even when the shade 10 is divided into a plurality of parts, it is sufficient to provide the end plates 12 only at both ends.

  As shown in FIG. 2, the lamp 20 is mounted on the lamp body 21, the lamp reflector 21 accommodated in the shade 10 and attached to the shade 10, the lamp body 22 accommodated in the lamp reflector 21, and the lamp body 22. It has a reflector 24 and a lamp 24 that is a tubular light source that is supported and supplied with power by the lamp body 22. It is also possible to form the lamp 20 by connecting a plurality of these lamp reflectors 21, the lamp body 22, the reflector 23 and the lamp 24 in series. Further, the lamp 20 is provided with a connector 22 a for supplying power to the lamp body 22, is exposed to the outside of the lamp 20 through the upper surface of the lamp reflector 21, and is provided inside the shade 10. The connector 13 can be connected.

  As shown in FIG. 3, the cross-sectional shape of the lamp reflector 21 is U-shaped like the cross-sectional shape of the shade 10, and is sized to be accommodated inside the shade 10. As shown in FIG. 5, the lamp reflector 21 is fixed to the inside of the shade 10 by fastening to the mounting base 15 of the shade 10 described later with a screw 15 a. Therefore, a gap 15b is provided between the top plate 21a of the lamp reflecting plate 21 and the top plate lower surface 10a of the shade 10 (see FIG. 3).

  As shown in FIGS. 5 and 6, the lamp body 22 is housed inside the lamp reflector 21. As shown in FIG. 7A, a shaft hole 21b is provided at the upper end of one side plate 21c at one end of the lamp reflector 21 (here, the right end (see FIG. 2)). A shaft hole 22 b is also provided on the same side surface 22 c at one end of the lamp body 22 in correspondence with the shaft hole 21 b of the lamp reflector 21. In addition, a bearing projection 21e that protrudes inside the lamp reflector 21 is provided at the upper end of the other side plate 21d at one end of the lamp reflector 21 (here, the right end (see FIG. 2)). The other side plate 22d is provided with a bearing recess 22e into which the bearing protrusion 21e is rotatably fitted.

  Accordingly, the lamp body 22 is housed inside the lamp reflector 21, the bearing protrusion 21 e of the lamp reflector 21 is fitted into the bearing recess 22 e of the lamp body 22, and is a support shaft member from the outside of the lamp reflector 21. By inserting the screw 26 into the shaft hole 21b and the shaft hole 22b and fastening them, the lamp body 22 can be rotatably mounted inside the lamp reflector 21. At the other end (here, the left end) of the lamp reflector 21, as shown in FIG. 6, a stopper 22 g provided at the left end of the lamp body 22 is attached to the stop of the lamp reflector 21 with a screw 22 h. The lamp body 22 is fixed to the lamp reflector 21 by fastening to 21f.

  Accordingly, by removing the screw 22h and releasing the fixture 22g of the lamp body 22 from the stop 21f of the lamp reflector 21, as shown in FIG. 8, at least a part of the lamp 20 (here, the lamp body 22). Rotates together with the lamp 24 so that it can project and retract from the shade 10. For this reason, the construction can be simplified and the lamp 24 can be easily replaced.

  As shown in FIG. 7C, the screw 26 has a head portion 26a, a cylindrical portion 26b having a smaller diameter than the head portion 26a, and a screw portion 26c continuous along the same axis as the cylindrical portion 26b. doing. The screw 26 penetrates the shaft hole 21b of the side plate 21c which is a side reflector in the lamp reflector 21 and the shaft hole 22b of the side plate 22c which is provided in the lamp body 22 and is a parallel plate parallel to the side plate 21c. And the cylindrical part 26b in which the screw is not cut is supported by one shaft hole (here, the shaft hole 21b), and is smoothly rotated. Further, the other shaft hole (here, the shaft hole 22b) is threaded, and the screw portion 26c is screwed and fastened. In addition, it can also be made to fasten with a nut, without threading.

  Further, as shown in FIG. 7B, one of the side plate 21c of the lamp reflector 21 and the side plate 22c of the lamp body 22 (here, for example, the side plate 22c is provided with a protrusion 22f, The main body 22 is rotated while being slidably contacted with the lamp reflector 21. Thereby, the friction between the lamp reflector 21 and the lamp main body 22 due to surface contact is eliminated and smoothly rotated. While being able to do, peeling of a coating film can be prevented.

  Further, as shown in FIGS. 3 to 7, at both ends of the lamp body 22, sockets 27, 27 for supplying power to the lamp 24, and a stopper that supports the lamp 24 attached to the socket 27 and prevents the lamp 24 from falling off. Metal fittings 28 are provided. The stopper 28 is formed by processing a linear member into a U shape, and both upper ends thereof are fixed to the lamp body 22. The stopper 28 is always urged upward (in the direction of arrow A in FIG. 7A) and is in close contact with the lamp 24.

  As shown in FIG. 4, the reflector 23 is provided shorter than the distance between the sockets 27, 27 provided on the lamp body 23, and the socket 27 is attached when the reflector 23 is attached to the lamp body 23. In addition, it does not interfere with the metal stopper 28. Thereby, the replacement of the lamp 24 is facilitated.

  As shown in FIG. 4A, the terminal block 14 is fixed to the shade 10 between the shade 10 and the lamp 20 along the accommodation direction of the lamp 20 with respect to the shade 10 (upward direction in FIG. 4). As shown in FIG. 5, a mounting bracket 14a is mounted on the top plate lower surface 10a of the shade 10, and a terminal block 14 is mounted on the mounting bracket 14a. The terminal block 14 is connected to the connector 13 and connected to the longitudinal auxiliary wiring 14b. Has been.

  Thereby, since the terminal block 14 was installed between the shade 10 and the lamp 20 in the shade 10, it is not necessary to provide a space for accommodating the terminal block 14 in the width direction, and the width of the lamp 20 is reduced and the shade 10 The width can be reduced to reduce the size of the luminaire 1. One end of the mounting bracket 14a is fixed to the top plate lower surface 10a of the shade 10 with a screw 14c, and the other end is fixed to a mounting base 15 attached to the top plate lower surface 10a.

  Further, as shown in FIG. 5, a ballast 25 is fixed to the lamp main body 22 between the lamp main body 22 and the lamp 24 along the housing direction, and the ballast 25 is connected to a connector 22a. Thereby, it is not necessary to arrange the ballast 25 outside the shade 10, and the appearance can be improved. Moreover, since the ballast 25 is disposed between the lamp 20 and the lamp 24, it is not conspicuous from below after the construction, and a good appearance can be obtained. Since the ballast 25 is fixed to the lamp body 22 between the lamp 20 and the lamp 24, the lamp body 22 can be rotated with respect to the lamp reflector 21 as described above. It is not necessary to remove the wiring each time the lamp is replaced, and the replacement work of the lamp 24 can be simplified.

  As shown in FIG. 9A, the end plate 12 provided at the end of the shade 10 is a planar member that intersects the longitudinal direction of the shade 10, and each end plate 12 is connected to the lamp 24. It is inclined towards. That is, the length L1 between the top plate lower surface 10a of the shade 10 that is the attachment portion of the end plate 12 is larger than the distance L2 between the tips (here, the lower ends) of the end plate 12. For this reason, as shown in FIG. 9B, when the lamp 20 is attached to the inside of the shade 10, the end plate 12 is pressed against and contacts the lamp 20, thereby reliably preventing light leakage. Can do.

  As shown in FIGS. 10A and 10B, the end plate 12 is a light-shielding metal or resin member, and includes an outer end 12a positioned on the end side of the shade 10 and an inner side of the shade 10. Has an inner end 12b. The outer end 12a has a J-shape as a whole, and has an attachment portion 12c for attachment to the shade 10 at the upper end portion. The angle θ1 of the mounting portion 12c is formed at an acute angle. On the other hand, the inner end 12b has a flat plate shape, and has an attachment portion 12d at the upper end. The formation angle θ2 of the attachment portion 12d in the inner end 12b is an obtuse angle.

  Accordingly, when the end plate 12 is formed by fitting the inner end 12b inside the outer end 12a, the end plate 12 is inclined toward the inner end 12b. When the end plate 12 is attached to the shade 10, the end plate 12 is inclined toward the inside of the shade 10, that is, the lamp 24 side. Therefore, when the lamp 20 is attached to the shade 10, the end plate 12 is in contact with the end face of the lamp 20 being pushed. Will do.

In addition, the lighting fixture 1 of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.
For example, in the above-described embodiment, the case where the cross-sectional shape of the shade 10 is rectangular is illustrated, but the lighting fixture 1 of the present invention can also be applied to other cross-sectional shapes.
In the embodiment described above, the cross-sectional shape of the shade 10 and the cross-sectional shape of the lamp 20 are similar to each other. However, the present invention is not limited to this. It can also be shaped like a letter.

  As described above, the lighting fixture according to the present invention can obtain good appearance because the shade covers the lamp. Accordingly, it is not necessary to consider the appearance of the lamp, and it is only necessary to satisfy the function as the lamp, so that the overall width can be reduced. In addition, since the light source can protrude and retract from the shade, the construction can be simplified, and the light source can be easily replaced, and it is useful as a lighting fixture in which the lamp containing the light source is covered with the shade. It is.

The perspective view which shows the whole lighting fixture concerning the 1st Embodiment of this invention Assembly drawing of lighting equipment Cross section of lighting equipment (A) is a sectional view and its end view along the longitudinal direction of the shade, (B) is a sectional view and its end view along the longitudinal direction showing a state in which the lamp body is attached to the lamp reflector, (C) is End view of reflector and cross-sectional view along the longitudinal direction and its end view Enlarged sectional view showing the right half of the shade and lamp Expanded cross section showing the left half of the shade and lamp (A) is an exploded perspective view showing an attachment portion of the lamp body with respect to the lamp reflector, (B) is a sectional view of the attachment portion, and (C) is an enlarged view of the support shaft member. The perspective view which shows the state which rotated the lamp body and protruded the lamp from the shade (A) is explanatory drawing which shows arrangement | positioning of an end plate, (B) is an expanded sectional view which shows the relationship between an end plate and a lamp. (A) is an exploded perspective view of the end plate, (B) is a sectional view of the end plate. Cross-sectional view of a conventional lighting fixture

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Lighting fixture 11 Opening 10 Sed 20 Lamp 21 Lamp reflector 21c Side plate (side reflector)
22 Lamp body 22c Side plate (parallel plate)
22f Protrusion 24 Lamp (light source)
26 Screw (support shaft member)
26a head portion 26b cylindrical portion 26c screw portion

Claims (3)

A shade made of a light-shielding material for improving the appearance when having an opening, the cross-sectional shape is continuous for a predetermined length, attached to the ceiling, or suspended from the ceiling;
A lamp reflector having a U-shaped cross-section, which is housed entirely in the shade and fixed to the shade, and is connected to the lamp reflector in the lamp reflector and the light source A lamp body having a lamp body, a supporting shaft member penetrating through the lamp reflector, and a tubular light source supported by the lamp body inside the lamp reflector.
With
The shade has a different shape from the lamp reflector,
The lamp body is supported on the lamp reflector fixed to the shade by the support shaft member, and is perpendicular to the longitudinal direction of the shade and parallel to the opening surface of the shade. With the member as the center, the lamp body rotates with the light source inside the lamp reflector, and the lamp body projects and sinks from the shade .
further,
A mounting base provided between the top plate of the shade and the lamp reflector, to which the lamp is mounted;
A terminal block provided between the top plate of the shade and the lamp reflector;
A first connector provided between the top plate of the shade and the lamp reflector, and connected to the terminal block;
A second connector that penetrates the upper surface of the lamp reflector and is exposed to the outside and connected to the first connector;
A ballast provided above the tubular light source in the lamp reflector and connected to the second connector;
Luminaire, characterized in Rukoto equipped with. The support shaft member has a head, a cylindrical portion having a smaller diameter than the head, and a threaded portion continuous along the same axis as the cylindrical portion,
The cylindrical portion penetrates one of a side reflector in the lamp reflector and a parallel plate provided on the lamp body and parallel to the side reflector, and the screw portion is screwed to the other. The luminaire according to claim 1, wherein   The lighting device according to claim 2, wherein a protrusion provided on one of the side reflector and the parallel plate is in point-sliding contact with the other.

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