JP2008300230A - Illumination fixture - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an illumination fixture in which a mounting work of the fixture main body and a reflecting plate is easy, and in which angle adjustment of the reflecting plate can be carried out with superior precision. <P>SOLUTION: The fixture main body 11 is formed to be slender having an opening in both ends and the front face, and a straight tube fluorescent lamp 12 is attached to the front face opening of the fixture main body 11. The reflecting plate 13 to reflect light of the straight tube fluorescent lamp 12 is installed at the front face opening of the fixture main body 11, and a side plate 14 is installed at the openings of the both ends of the fixture main body 11. A nearly U-shaped groove 16 is formed in the side plate 14, and formed in a nearly U-shape from an insertion end 18 enabling a mounting screw 17 protruded and installed from the both ends of the reflecting plate 13 to be insertable from downward of the side plate 14 to a locking end 19 to lock and retain the mounting screw 17. A face nut 15 is screwed with the mounting screw 17 retained at the locking end 19 of the nearly U-shaped groove 16, and fixes the reflecting plate 13 to the side plate 14. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a lighting fixture that illuminates a wall surface or the like.

  As a lighting fixture that illuminates a wall surface, for example, there is a lighting fixture for a blackboard that is directly attached to the ceiling. In such a blackboard lighting fixture, a fixture body with a straight tube fluorescent lamp is attached to the ceiling, a reflector for reflecting the light of the straight tube fluorescent lamp attached to the fixture body is provided, By adjusting the angle, light from the straight tube fluorescent lamp is emitted toward the blackboard. To adjust the angle of the reflector, holes are formed in both the side plate and the reflector of the instrument body, and screwed through these holes through a decorative screw so that the angle of the reflector can be adjusted.

Here, as a lighting fixture that illuminates a wall surface or the like, there is a lighting fixture that can be rotated within a large range without increasing the height of the fixture body (see, for example, Patent Document 1).
Japanese Examined Patent Publication No. 62-3521

  However, in the thing of patent document 1, since it has to screw in a hole of both the side plate of a instrument main body, and a reflective plate with a decorative screw, and the angle of a reflective plate must be adjusted, Adjusting the angle of the reflector is a difficult task.

  The fixture body with a straight tube fluorescent lamp is slender and the attachment position of the reflector to the fixture body is at both ends of the elongated fixture body, so hold the center of the reflector with one hand. With one hand, the screw is screwed into the holes on both the side plates and the reflecting plate at both ends of the elongated instrument body through the decorative screws. In addition to the attachment of the reflector, the angle of the reflector must be adjusted.

  An object of the present invention is to provide a lighting fixture that can be easily attached to the fixture body and the reflecting plate and that can accurately adjust the angle of the reflecting plate.

  A lighting fixture according to the invention of claim 1 is provided in the front opening of the fixture main body; a fixture main body having openings at both ends and the front surface and formed in a slender shape, and a straight tube fluorescent lamp is mounted on the front opening; A reflector that reflects the light of the straight tube fluorescent lamp; a side plate provided at both ends of the fixture body; a mounting screw provided protruding from both ends of the reflector; and a lower side of the side plate A substantially U-shaped groove formed in a substantially U-shape from an insertion end enabling insertion of a mounting screw to a locking end for locking and holding the mounting screw; and held by a locking end of the substantially U-shaped groove; And a decorative nut for fixing the reflecting plate to the side plate by screwing onto the mounting screw.

  In the present invention and the following inventions, definitions and technical meanings of terms are as follows unless otherwise specified.

  The instrument body is formed in an elongated shape with openings at both ends and the front surface. And, for example, it is attached to the ceiling surface so that the front opening faces downward, and a straight tube fluorescent lamp is mounted on the front opening, and a ballast for lighting the mounted straight tube fluorescent lamp is incorporated. To do.

  The reflection plate is formed in an elongated shape corresponding to the front opening of the instrument body, reflects the light of the straight fluorescent lamp on the inner surface, and adjusts the mounting angle to emit the reflected light to the irradiation target wall surface. At both ends of the reflection plate, mounting screws are provided integrally with the reflection plate so as to protrude from both ends.

  A substantially U-shaped groove for holding a mounting screw for the reflecting plate is provided on the side plates at both ends of the instrument body. The substantially U-shaped groove is a substantially U-shaped groove provided on the side plate. The insertion end is a substantially U-shaped one end that is cut out so that the mounting screw can be inserted from below the side plate, and the locking end is a groove in which the inserted mounting screw is substantially U-shaped. It is the other end of a substantially U-shape that is guided to the dead end. Thereby, the mounting screw is locked and held at the locking end of the substantially U-shaped groove. The decorative nut is screwed onto a mounting screw held at the engagement end of the substantially U-shaped groove to fix the reflecting plate to the side plate.

  According to a second aspect of the present invention, there is provided the lighting apparatus according to the first aspect of the present invention, wherein a fitting portion that fits the mounting screw is provided at a locking end of the substantially U-shaped groove. The luminaire described.

  The fitting portion is a locking portion that is provided at the locking end of the substantially U-shaped groove and is approximately the same size as the outer diameter of the mounting screw, and the mounting screw is a fitting portion of the locking end of the substantially U-shaped groove. To fit and lock. This ensures the locking of the mounting screw at the substantially U-shaped groove.

According to the invention of claim 1, in the state where the mounting screw of the reflector can be inserted from the insertion end of the substantially U-shaped groove and guided to the locking end, and the mounting screw is locked at the locking end, Even if the reflector is not held by hand, the reflector is held by the locking end of the substantially U-shaped groove. And
In this state, the angle of the reflector is adjusted, and the reflector is fixed to the side plate of the instrument body by screwing it with the mounting screw with a decorative nut. Therefore, the reflector can be easily attached to the instrument body, and the angle can be adjusted. Can also be performed accurately. Thereby, the workability to the instrument main body of a reflecting plate improves.

  According to the invention of claim 2, in addition to the effect of the invention of claim 1, since the locking of the attachment screw at the substantially U-shaped groove is ensured, the reflector can be attached to the instrument body with high accuracy, and the reflection The angle of the plate can be adjusted accurately.

  FIG. 1 is a perspective view of a lighting fixture according to an embodiment of the present invention. The instrument body 11 is formed in an elongated shape and has an opening on the front surface. The straight tube fluorescent lamp 12 is located in the front opening, and a reflection plate 13 that reflects the light of the straight tube fluorescent lamp 12 is provided in the front opening of the instrument body 11. Both ends of the instrument main body 11 have openings, and side plates 14 are attached to the openings at both ends.

  As will be described later, the side plate 14 is provided with a substantially U-shaped groove, and mounting screws 17 provided so as to protrude from both ends of the reflecting plate 13 are inserted and held in the substantially U-shaped groove 16. The reflection plate 13 is fixed to the side plate 14 by being screwed onto the mounting screw 17 held in the substantially U-shaped groove of the side plate 14.

  FIG. 2 is a perspective view of the side plate 14 provided in the opening portions at both ends of the instrument main body 11, and FIG. 3 is a perspective view of the end portion of the reflecting plate 13. As shown in FIG. 2, the side plate 14 is provided with a substantially U-shaped groove 16. On the other hand, as shown in FIG. 3, the end of the reflecting plate 13 is provided with a mounting screw 17 projecting therefrom. ing.

  FIG. 4 is a plan view showing an example of a substantially U-shaped groove 16 of the side plate 14. The substantially U-shaped groove 16 has an insertion end 18 and a locking end 19. The insertion end 18 is opened below the side plate 14, and a mounting screw 17 for the reflection plate 13 can be inserted from below the side plate 14. ing. On the other hand, the locking end 19 has a dead end at a position facing the lower side of the side plate 14, and the mounting screw 17 of the reflecting plate 13 can be locked and held.

  When an operator attaches the reflecting plate 13 to the side plate 14 of the instrument body 11, the operator holds the center portion of the reflecting plate 13, and attaches the mounting screw 17 of the reflecting plate 13 to the substantially U-shaped groove from the open insertion end 18. 16 is inserted. When the hand is released from the reflecting plate 13 in this state, the reflecting plate 13 falls downward. However, when the mounting screw 17 is guided along the substantially U-shaped groove of the substantially U-shaped groove 16 to the locking end 19, Since 19 is a dead end at a position facing the lower side of the side plate 14, the mounting screw 17 of the reflecting plate 13 is locked and held by the locking end 19. That is, even if the hand is released from the reflecting plate 13, the mounting screw 17 is locked and held at the locking end 19 by the weight of the reflecting plate 13. Therefore, the operator does not need to hold the reflecting plate 13 in his / her hand.

  In this state, the reflecting plate 13 is rotated by the locking end 19 around the mounting screw 17 to adjust the angle of the reflecting plate 13. Then, after adjusting the angle, the mounting screw 17 is fixed with the decorative nut 15. When adjusting the angle, the attaching screw 17 may be temporarily fixed with the decorative nut 15 and the decorative nut 15 may be finally tightened after the angle adjustment is completed.

  FIG. 5 is a plan view showing another example of the substantially U-shaped groove 16 of the side plate 14. In this example, a fitting portion 20 that fits the attachment screw 17 is provided at the locking end 19 of the substantially U-shaped groove 16 with respect to the one shown in FIG.

  As shown in FIG. 5, a circular step is provided as the fitting portion 20, and the mounting screw 17 is structured to be fitted into the fitting portion 20. The circular step of the fitting portion 20 is formed to have substantially the same size as the outer diameter of the mounting screw 17, and the mounting screw 17 is connected to the fitting portion 20 of the locking end 19 of the substantially U-shaped groove 16. Fit and lock. As a result, the attachment screw 17 is more reliably locked at the substantially U-shaped groove 16.

  According to the embodiment of the present invention, the side plate 14 of the instrument body 11 is provided with the substantially U-shaped groove 16 into which the mounting screw 17 can be inserted from below, the locking end 19 is provided at the other end, and the inserted mounting screw. Since 17 is locked and held, it is possible to temporarily arrange the reflecting plate 13 on the instrument body 11, and then it can be finally tightened with the decorative nut 15, so that the angle of the reflecting plate 13 can be adjusted easily and accurately. Workability is improved.

The perspective view of the lighting fixture concerning embodiment of this invention. The perspective view of the side plate provided in the both-ends opening part of the instrument main body in embodiment of this invention. The perspective view of the edge part of the reflecting plate in embodiment of this invention. The top view which shows an example of the substantially U-shaped groove | channel of the side plate in embodiment of this invention. The top view which shows another example of the substantially U-shaped groove | channel of the side plate in embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 ... Instrument main body, 12 ... Straight tube type fluorescent lamp, 13 ... Reflecting plate, 14 ... Side plate, 15 ... Cosmetic nut, 16 ... Substantially U-shaped groove, 17 ... Mounting screw, 18 ... Insertion end, 19 ... Locking end, 20 ... fitting part

Claims (2)

An instrument main body having openings at both ends and the front surface, and being formed into an elongated shape, and having a straight tube fluorescent lamp mounted on the front surface opening;
A reflector provided at the front opening of the instrument body for reflecting light from the straight tube fluorescent lamp;
Side plates provided at both ends of the instrument body;
A mounting screw provided protruding from both ends of the reflector;
A substantially U-shaped groove formed from a lower side of the side plate into an approximately U shape from an insertion end where the mounting screw can be inserted to a locking end where the mounting screw is locked and held;
A decorative nut that is screwed onto the mounting screw held by the locking end of the substantially U-shaped groove to fix the reflecting plate to the side plate;
A lighting fixture comprising:   The lighting fixture according to claim 1, wherein a fitting portion that fits the attachment screw is provided at a locking end of the substantially U-shaped groove.

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