JP2009004187A - lighting equipment - Google Patents

Abstract

Provided is a lighting fixture that improves the assembly workability and has an improved appearance.
A lighting device includes a horizontally long box-shaped body 1 having an open front side, a horizontally long box-shaped cover 2 having a rear surface opened and attached to the front side of the body 1, and both ends of the cover 2 in the longitudinal direction. Mounted on the lamp socket 5 exposed to the front side through the provided opening 2c, a straight tube type fluorescent lamp 4 disposed on the front side of the cover 2, and a cover so as to cover the front side and the lower side of the fluorescent lamp 4 2 and a horizontally long substantially L-shaped shade 3 attached thereto. The shade 3 is configured by connecting a plurality of divided shades 3 a, and the adjacent divided shades 3 a and 3 a are integrally connected and fixed by a connecting metal fitting 6.
[Selection] Figure 1

Description

  The present invention relates to a luminaire using a divided shade divided into a plurality of parts.

Conventionally, there has been a lighting fixture using a support cover that is disposed between adjacent covers and supports both covers from the lower side (see, for example, Patent Document 1). This luminaire has a plurality of straight tube lamps arranged in a straight line, and a translucent cover is disposed below each straight tube lamp. A support cover is disposed between adjacent covers and is fixed to the instrument body, and each cover is supported by the support cover.
Japanese Utility Model Publication No. 7-16315 (paragraph [0011] and FIGS. 5 and 6)

  In the lighting fixture shown in Patent Document 1 described above, the cover itself is not fixed to the fixture body. Therefore, when the cover is attached, it is necessary to fix the support cover to the fixture body while holding the cover. The assembly workability was bad.

  The present invention has been made in view of the above problems, and an object of the present invention is to provide a luminaire having improved assembly workability and improved appearance.

  The invention of claim 1 includes an instrument body that holds a straight tube type lamp, and a shade that is attached to the instrument body so as to face the light emitting surface of the lamp, and the shade connects a plurality of divided shades. And a connecting member that is disposed between adjacent divided shades and that integrally connects and fixes the divided shades is provided.

  In the invention of claim 2, the connecting member is formed such that a cross-sectional shape perpendicular to the longitudinal direction of the shade is formed along the shade, and the shade has a guide portion that guides the connecting member along the longitudinal direction, In the state in which the connecting member is guided by the guide portion, the connecting member is provided with an elastic spring portion that elastically contacts the connecting member with the guide portion by a spring reaction force generated by bending.

  According to a third aspect of the present invention, each divided shade is formed to have a length corresponding to one lamp, and when each divided shade is not connected to another divided shade, the other divided shade is not connected. An end cap to be attached to the end portion is provided.

  According to the first aspect of the present invention, since the adjacent divided shades can be integrally connected and fixed by using the connecting member, it is only necessary to attach the integrated shade to the instrument body. There is an effect that it is possible to improve the mounting workability to the.

  According to the second aspect of the present invention, the connecting member is provided with the elastic spring portion, and the connecting member can be brought into elastic contact with the guide portion of the divided shade by the spring reaction force generated by bending the elastic spring portion. Therefore, there is an effect that adjacent divided shades can be easily connected and fixed, and the connection workability of the divided shades can be improved. In addition, since the connecting member is formed in a shape that conforms to the shape of the shade, when the divided shades are abutted with each other, the misalignment can be reduced, and the gap between the divided shades is covered by the connecting member. Therefore, there is an effect that light leakage from the butt portion can be suppressed.

  According to the invention of claim 3, in each divided shade, when the other divided shade is not connected, the appearance of the lighting fixture is improved by attaching the end cap to the end portion on the side where the other divided shade is not connected. There is an effect that can be made.

  An embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 2, the lighting fixture A according to the present invention is attached to a wall surface 7, for example, and is used as a lighting fixture with a top surface light distribution for illuminating the upper side.

  The luminaire A includes a horizontally long box-shaped body 1 whose front side is open, a cover 2 whose rear side is open and is attached to the front side of the body 1, and a straight tube type fluorescent light disposed on the front side of the cover 2. A lamp 4 and a shade 3 attached to the cover 2 so as to cover the front side and the lower side of the fluorescent lamp 4 are provided.

  As shown in FIG. 2, the body 1 has a horizontally long box-shaped body main body 1a whose front side is open, and a lamp socket 5 to which a fluorescent lamp 4 is mounted has mounting surfaces on both ends in the longitudinal direction of the body main body 1a. Each is arranged in a state facing the front side. Further, a lighting circuit 16 and a terminal block 17 for supplying lighting power to the fluorescent lamp 4 are housed in the body main body 1a, and a power line 8 wired in advance on the back side of the wall surface 7 is connected to the body main body 1a. It is introduced into the body main body 1 a through the wiring hole 1 c provided on the bottom surface and connected to the terminal block 17. The input terminal of the lighting circuit 16 and the terminal block 17 are connected by an electric wire (not shown), and commercial power is supplied to the lighting circuit 16 via the power line 8. An output terminal of the lighting circuit 16 is connected to each lamp socket 5 via an electric wire (not shown), and lighting power is supplied to the fluorescent lamp 4 from the lighting circuit 16 via the lamp socket 5. Further, screw holes 1d into which the fixing screws 10 for attaching the cover 2 are screwed are provided at the inner positions of the lamp sockets 5, respectively, and further on the bottom surface of the body main body 1a, closer to the inner side than the screw holes 1d. In addition, there are provided through holes 1b through which fixing screws (for example, wood screws) 9 for attaching the body 1 to the wall surface 7 are inserted.

  As shown in FIG. 2, the cover 2 has a cover body 2a which is in the shape of a horizontally long box having an opening on the rear surface and is formed to have substantially the same dimensions as the body body 1a. A horizontally long reflecting surface 2b for reflecting the irradiation light is provided, and insertion holes 2e for inserting a fixing screw 10 for attaching the cover 2 to the body 1 are provided on both ends in the longitudinal direction of the reflecting surface 2b. In addition, openings 2c for exposing each lamp socket 5 to the front side are provided on both sides of the reflection surface 2b in the longitudinal direction of the cover body 2a, and the front side is provided at both longitudinal edges of the cover body 2a. The cover pieces 2d that extend to each other are integrally provided. Here, the body 1 and the cover 2 constitute an instrument body.

  As shown in FIG. 2, the fluorescent lamp 4 has a straight tube-like arc tube 4a. On the outer surface near the both ends of the arc tube 4a, there are provided caps 4b with lamp pins (not shown) protruding sideways. It has been. The fluorescent lamp 4 is attached to the instrument body by attaching the caps 4b to the corresponding lamp sockets 5 respectively.

  The shade 3 is configured by connecting a plurality (two in FIG. 2) of divided shades 3 a with a connecting metal fitting (connecting member) 6.

  The divided shade 3a is made of, for example, metal, and as shown in FIGS. 1 and 2, the horizontally-long substantially rectangular plate-like main piece 3b and the main piece 3b from the edge on one end side in the width direction are substantially the same as the main piece 3b. The side piece 3c extending in the orthogonal direction is bent into a substantially L shape. In addition, a guide piece 3d bent in a substantially L shape is integrally provided on the end edges along the longitudinal direction of the main piece 3b and the side piece 3c, respectively, and between the main piece 3b and the guide piece 3d. In addition, a guide groove 3e is formed between the side piece 3c and the guide piece 3d. Each guide groove 3e is set to have a width that is slightly larger than the plate thickness of the connecting fitting 6 so that the connecting fitting 6 described later can be inserted. Here, the guide piece is constituted by the guide piece 3d and the guide groove 3e.

  Furthermore, positioning fittings 12 for positioning the connecting fitting 6 are attached to both ends of the divided shade 3a in the longitudinal direction. The positioning fitting 12 includes a main piece 12a arranged along the width direction of the main piece 3b of the divided shade 3a, and a side piece 12f arranged along the width direction of the side piece 3c of the divided shade 3a. The main piece 12a and the side piece 12f are provided with substantially U-shaped protrusions 12b and 12c, respectively. In addition, screw holes 12d and 12e into which the fixing screws 14 are screwed are provided in the center portions of the protrusions 12b and 12c, respectively.

  As shown in FIG. 3 (a), the connecting metal fitting 6 has a substantially rectangular plate-shaped main piece 6a, and side pieces extending in a direction substantially orthogonal to the main piece 6a from the edge of one end of the main piece 6a in the longitudinal direction. 6b and is formed in a substantially L shape. Further, in the main piece 6a, a substantially rectangular elastic spring piece (elastic spring portion) 6c is formed near the side piece 6b on one end side in the width direction by cutting and raising, and a fixing screw 13 is formed on the elastic spring piece 6c. A screw hole 6d to be screwed is provided. The elastic spring piece 6c is bent obliquely upward with respect to the main piece 6a as shown in FIG. 3B, and is further bent so that the tip end portion is substantially parallel to the main piece 6a. In addition, the connection metal fitting 6 is formed in the shape (namely, shape in alignment with the main piece 3b and the side piece 3c) along the division | segmentation shade 3a mentioned above.

  Here, the procedure for connecting and fixing the adjacent divided shades 3a using the connecting metal fitting 6 will be described with reference to FIGS. First, the edge of each of the main piece 6a and the side piece 6b of the coupling metal 6 is inserted into each guide groove 3e of one of the divided shades 3a (left side in FIG. 1A), and the coupling metal 6 is moved along the guide groove 3e. Then, it is slid leftward (direction B in FIG. 1A), and the left side surface of the coupling metal 6 is brought into contact with the positioning metal 12. Next, the opposite edges of the main piece 6a and the side piece 6b of the coupling fitting 6 are inserted into the respective guide grooves 3e of the other divided shade 3a (the right side in FIG. 1A), and the right divided shade 3a is inserted. Is slid leftward (C direction in FIG. 1A), and the right side surface of the coupling fitting 6 is brought into contact with the positioning fitting 12. After that, when the fixing screw 13 is screwed into the screw hole 6d of the elastic spring piece 6c, as shown in FIG. 4 (a), the tip of the fixing screw 13 comes into contact with the upper surface of the main piece 3b of the divided shade 3a and is further fixed. When the screw 13 is screwed, the elastic spring piece 6c moves upward. At this time, the portion on the right side of the connection fitting 6 is biased downward (E direction in FIG. 4A) by the spring reaction force of the elastic spring piece 6c, while the portion on the left side of the connection fitting 6 is the main piece 6a. The elastic spring piece 6c is biased upward (direction F in FIG. 4A) with the connecting portion of the elastic spring piece 6c as a fulcrum. Thus, the connecting metal fitting 6 is pressed and fixed to the right divided sade 3a by the fixing screw 13, and is attached upward (G direction in FIG. 4B) to the left divided sade 3a. The edge of the main piece 6a and the side piece 6b is elastically contacted and fixed to the corresponding guide piece 3d by the force. That is, the divided shades 3a on both the left and right sides are integrally connected and fixed by the connecting metal fitting 6.

  Therefore, in this embodiment, since the adjacent divided shades 3a can be integrally connected and fixed by using the connecting metal fitting 6, the integrated shade 3 is attached to the instrument main body (body 1 and cover 2). The attachment workability | operativity to the instrument main body of the shade 3 can be improved. Further, an urging force is applied to the connection fitting 6 by a spring reaction force generated by screwing the fixing screw 13 into the elastic spring piece 6c provided in the connection fitting 6 and bending it, and the edge of the connection fitting 6 is formed on the divided shade 3a. Since it can be brought into elastic contact with the guide portion (guide piece 3d), the adjacent divided shades 3a can be easily connected and fixed, and the connection workability of the divided shades 3a can be improved. Furthermore, since the elastic spring piece 6c is not bent when inserting the connecting fitting 6 into the guide groove 3e of each divided shade 3a, the connecting fitting 6 can be inserted into the guide groove 3e with a small force. Moreover, since the connection metal fitting 6 is formed in a shape along the shape of the shade 3 (divided shade 3a), the butt shift can be reduced when the divided shades 3a are abutted with each other, and between the divided shades 3a. Since the gap is covered with the connection fitting 6, light leakage from the butted portion can be suppressed.

  Here, in each divided shade 3a, when the other divided shade 3a is not connected, as shown in FIG. 5, the end cap 13 is attached to the end portion on the side where the other divided shade 3a is not connected, so that the luminaire The appearance of A can be improved. The end cap 13 is, for example, a synthetic resin molded product, and includes a main piece 13a disposed along the width direction of the main piece 3b of the divided shade 3a and a width direction of the side piece 3c of the divided shade 3a. The connecting pieces 13c and 13d are formed integrally with the side pieces 13b, which are formed in a substantially L shape. The connecting pieces 13c and 13d protrude in the lateral direction at the intermediate positions of the main piece 13a and the side pieces 13b. Further, engagement grooves 13e with which the distal ends of the fixing screws 14 are engaged are formed on the distal ends of the connection pieces 13c and 13d, respectively. On the other hand, on the divided shade 3a side, insertion recesses 15 into which connection pieces 13c and 13d are inserted are provided between the projection 12b and the main piece 3b of the positioning fitting 12 and between the projection 12c and the side piece 3c, respectively. It has been.

  When the end cap 13 is attached to the divided shade 3a, the end cap 13 is slid rightward (in the H direction in FIG. 5A) with respect to the divided shade 3a, and the connection pieces 13c and 13d correspond respectively. Insert into the insertion recess 15. After that, when the fixing screw 14 is screwed into the screw holes 12d and 12e of the protrusions 12b and 12c, the tip ends of the fixing screws 14 are engaged with the engaging grooves 13e of the connection pieces 13c and 13d, respectively, and FIG. The end cap 13 is attached to the divided shade 3a as shown in FIG. In this state, the edge portions of the main piece 13a and the side piece 13b are inserted into the corresponding guide grooves 3e.

  On the other hand, when the fixing screw 14 is loosened, the engagement state between the distal end portion of the fixing screw 14 and the engaging groove 13e is released, and the end cap 13 is moved in the left direction (the direction opposite to the H direction in FIG. 5A). ), The end cap 13 can be easily removed. Each divided shade 3a is provided with end caps 13 at both ends in the longitudinal direction before assembly. When the other divided shade 3a is connected, the other divided shade 3a is connected to the side. The end cap 13 is removed and the connecting fitting 6 is attached. However, since the end cap 13 and the connecting fitting 6 can be easily attached and detached, the replacement between the end cap 13 and the connecting fitting 6 is possible. Can be easily performed.

  Next, the assembly procedure of the lighting fixture A will be described with reference to FIG. First, the fixing screws 9 are inserted into the insertion holes 1 b of the body 1, and the fixing screws 9 are screwed into the wall surfaces 7 to fix the body 1 to the wall surfaces 7. At this time, the power line 8 is introduced into the body 1 through the wiring hole 1 c and connected to the terminal block 17. Next, the cover 2 is attached to the body 1 from the front side, the fixing screw 10 is inserted into the insertion hole 2e, and the cover 2 is attached to the body 1 by screwing into the screw hole 1d provided in the body 1. In this state, each lamp socket 5 is exposed to the front side through the opening 2c. Further, the base 4b of the fluorescent lamp 4 is mounted on the corresponding lamp socket 5 from the front side, and the fluorescent lamp 4 is attached to the instrument body. Finally, when the fixing screw 11 is inserted into a mounting bracket (not shown) provided on the shade 3 and screwed into a screw hole (not shown) provided on the cover 2, the shade 3 is attached to the cover 2. The assembly of the lighting fixture A is completed. In the assembled state, both ends in the longitudinal direction of the luminaire A are closed by the cover pieces 2d of the cover 2 to prevent light leakage from both ends in the longitudinal direction.

  In the lighting fixture A described above, the case where a plurality of (two in the present embodiment) divided shades 3a are used for one fluorescent lamp 4 has been described as an example. However, each divided shade 3a is replaced with one fluorescent lamp. It may be a luminaire that has a length corresponding to 4 and that corresponds to the divided shades 3a with respect to the plurality of fluorescent lamps 4 arranged in a straight line. Also in this case, similarly to the lighting fixture A described above, since the adjacent divided shades 3a can be integrally connected and fixed by using the connecting fitting 6, it is only necessary to attach the integrated shade 3 to the fixture body. It is possible to improve the workability of attaching the shade 3 to the instrument body. Further, in the divided shade 3a, when the other divided shade 3a is not connected, the appearance of the lighting apparatus can be improved by attaching the end cap 13 to the end portion on the side where the other divided shade 3a is not connected. .

  In the present embodiment, the case where two divided shades 3a are used has been described as an example. However, the number of divided shades 3a is not limited to the present embodiment, and the size of the lighting fixture to be applied may be determined. You may change suitably according to it. Further, the material of the shade 3 is not limited to a metal one, and may be translucent. Further, the shape of the shade 3 is not limited to an L-shape, and for example, a horizontally long plate-like shade may be used as a lighting fixture with vertical light distribution. Further, the shape of the connecting metal fitting 6 is not limited to this embodiment, and may be appropriately designed according to the shape of the shade.

(A), (b) is explanatory drawing explaining the procedure which connects and fixes the division | segmentation shade used for the lighting fixture of this embodiment, and a connection metal fitting. It is an exploded perspective view same as the above. The connection metal fitting used for the above is shown, (a) is a perspective view, (b) is a front view seen from the D direction. (A), (b) is explanatory drawing explaining the connection state of the division | segmentation shade used for the same and a connection metal fitting. (A), (b) is explanatory drawing explaining the procedure which mounts | wears with the end cap used for the same to a division | segmentation shade.

Explanation of symbols

1 Body 2 Cover 3 Sade 3a Divided shade 4 Fluorescent lamp 6 Connecting bracket (connecting member)
A lighting equipment

Claims (3)

  A fixture body that holds a straight tube type lamp, and a shade that is attached to the fixture body so as to face the light emitting surface of the lamp. A luminaire provided with a connecting member which is disposed between a shade and a divided shade and integrally connects and fixes the divided shades.   The connecting member has a cross-sectional shape perpendicular to the longitudinal direction of the shade that is formed along the shade, and the shade has a guide portion that guides the connecting member along the longitudinal direction, and guides the connecting member to the guide portion. The lighting apparatus according to claim 1, wherein an elastic spring portion is provided on the connecting member so that the connecting member is elastically contacted with the guide portion by a spring reaction force generated by bending in the bent state.   Each divided shade is formed to have a length corresponding to one lamp, and when each divided shade is not connected to another divided shade, the end attached to the end portion on which the other divided shade is not connected. The lighting fixture according to claim 1, further comprising a cap.

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