JP5495384B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture applied to a spotlight or the like electrically connected to a lighting duct installed on a ceiling surface.

  2. Description of the Related Art Conventionally, it has a lamp unit that houses a light source and a lighting device unit that turns on or turns off the light source. A lighting fixture including a plug portion is known (for example, see Patent Document 1).

JP 2009-32473 A (FIG. 1, claim 1)

In recent years, the development of light-emitting diodes as light sources has progressed for lighting fixtures. In lighting fixtures that use light emitting diodes as light sources, light emitting diodes do not contain heat, but because they generate a lot of heat, light emitting diodes are used in comparison with conventional incandescent lamps and HID lamps as light sources. It is essential to provide a heat dissipation member for radiating heat.
The heat radiating member is made of a metal material such as aluminum, which has high thermal conductivity and is relatively inexpensive. However, in order to perform efficient heat radiating, it is necessary to increase the volume and surface area of the heat radiating member. However, by using a heat radiating member having a large volume and surface area, the weight in the vicinity of the light source becomes heavier than in the case of a conventional light source.
As a result, the lighting fixture needs to be firmly fixed to the lighting duct in response to an increase in the weight of the light source unit.

In the lighting apparatus described in Patent Document 1 described above, the fixing portion is engaged with the lighting duct and the plug portion is electrically connected to the lighting duct and fixed, thereby lighting the lamp unit and the lighting device unit. Can be securely attached to the duct.
However, in the luminaire described in Patent Document 1 described above, the lamp unit is disposed at the center of the lighting device unit, the plug unit is disposed at one end of the lighting device unit, and the other end of the lighting device unit. The fixed part is arranged in the. Therefore, when the weight of the lamp unit increases, a large load is applied to the central portion of the lighting device unit, and the fixing force of the plug unit and the fixing unit disposed at the end of the lighting device unit to the lighting duct is reduced. As a result, the fixed part rattles against the lighting duct, or the plug part and the lighting duct are in poor contact.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting fixture capable of improving the fixing force with respect to the lighting duct.

The lighting fixture according to the present invention has a substantially rectangular parallelepiped shape having a longitudinal direction in the same direction as the longitudinal direction of the lighting duct, and a lighting device unit that turns on or off the light source unit, holds the light source unit, and a lamp unit disposed freely redirected to the lower end portion of the device portion is disposed on the upper surface of the portion which supports the lamp unit in the lighting device unit, and a rotary plug plate to be engaged with the lighting duct A rotating terminal that is disposed on the lighting duct side of the rotating plug plate and is electrically connected to the lighting duct, and a plug operation lever that integrally rotates the rotating plug plate and the rotating terminal by a predetermined angle. , a plug portion having, disposed on an upper surface of the lighting device unit, said engaged with the lighting duct, the rotation fixing plate rotatable is a predetermined angle, before Rotating the rotation fixing plate integrally with a first concave-convex member of the outer tooth, a rotation fixing portion having, disposed on an upper surface of the lighting device unit, at a range of a predetermined distance in the longitudinal direction of the lighting device unit A hook-shaped lever portion that is slidable and is provided on the other end portion opposite to the one end portion of the lighting device portion, and is a portion for remotely operating the rotation fixing portion, and the rotation fixing portion in the rotation fixing portion A slide plate portion having a second concavo-convex portion having an internal tooth shape engaged with the first concavo-convex member having an external tooth shape, and the rotary plug plate and the rotary terminal are predetermined by operation of the plug operation lever. By rotating at an angle, the rotary plug plate is engaged with the lighting duct, and the rotary terminal is electrically connected to the lighting duct. When the bar portion is operated and moved from a position not in contact with the other end portion of the lighting device portion to a position in contact with the other end portion, the slide plate portion slides, and the second uneven portion and the the rotation fixing plate via the first concave-convex portion is engaged with the lighting duct by rotation.

In the lighting fixture according to the present invention, the lighting device of the hook-shaped lever is in a state where the hook-shaped lever portion of the slide plate portion is moved to a position in contact with the other end of the lighting device portion. side parts side, Ru are arranged along the side of the lighting device unit.

  The lighting apparatus according to the present invention has an effect of improving the fixing force with respect to the lighting duct.

The external appearance perspective view seen from diagonally upward at the time of attachment to the lighting duct of the lighting fixture of one Embodiment which concerns on this invention FIG. 1 is an external perspective view of a main part of the lighting apparatus of FIG. FIG. 1 is an external perspective view of the lighting apparatus shown in FIG. FIG. 1 is an external perspective view of the lighting apparatus of FIG. 1 as viewed from obliquely above after being attached to the lighting duct.

Hereinafter, a lighting apparatus according to an embodiment of the present invention will be described with reference to the drawings.
The lighting fixture 10 of one embodiment according to the present invention has a substantially rectangular parallelepiped shape having a longitudinal direction in the same direction as the longitudinal direction of the lighting duct 1, and a lighting device section 12 for turning on or off the light source section 11, and a light source The lamp unit 14 that holds the unit 11 and is disposed in the lower part of the lighting device unit 12 via the bracket 13 so that the direction can be freely changed. A plug portion 15 connected to and engaged with the lighting device portion 12, a fixing portion 16 disposed on the upper surface of the central portion of the lighting device portion 12 and fixed to the lighting duct 1, and the lighting duct 1 having the fixing portion 16. A spot provided with a fixed operation lever 17 disposed in the opening 2 and a rotation fixed portion 18 provided in the fixed portion 16 and disposed on the upper surface of the lighting device 12 on the lighting duct 1 side. It is playing cards.

As shown in FIG. 1, the lamp unit 14 accommodates a light source unit 11 having a plurality of light sources (not shown) made of light emitting diodes. Therefore, a heat dissipation member (not shown) having a large volume and a large surface area is incorporated to dissipate heat generated by the plurality of light sources. In connection with this, the lamp part 14 has a heavy weight compared with the case where the conventional incandescent lamp, a HID lamp, etc. are used as a light source.
The lighting duct 1 is formed in a substantially U shape in a vertical sectional view using a metal material having no conductivity such as aluminum, and is screwed to a ceiling surface (not shown). The lighting duct 1 has an opening 2 on the lower side of the top plate 3, and is disposed at a position facing the opening 2, and a rotation fixing plate (see FIG. 2) 19 provided in a rotation fixing portion (see FIG. 2) 18. And the rotary plug board (refer FIG. 2) 20 which has in the plug part (refer FIG. 2) 15 has a pair of 1st groove part 4 inserted in a longitudinal direction. In addition, the lighting duct 1 is arranged at an opposing position on the upper side of the first groove portion 4, and a first rotary terminal (see FIG. 2) 21 and a second rotary terminal (see FIG. 2) 22 included in the plug portion 15 are inserted. A pair of second groove portions 5 are provided. A first power supply plate 6 and a second power supply plate 7 are attached to the second groove portion 5 at positions facing each other in the longitudinal direction. The first power supply plate 6 and the second power supply plate 7 are electrically connected to an external power supply circuit (not shown).

  As shown in FIG. 2, the lighting device unit 12 accommodates a ballast (not shown), a power supply terminal block (not shown), and the like in a case 23 formed in a box shape, and a bracket on one end side of the case 23. 13 has a cylindrical portion 24 for rotatably supporting the upper end portion of 13 and covering the plug portion 15. The plug portion 15 has a plug operation lever 25, and a rotary plug plate 20 formed in an I-shape having a width dimension inserted into the opening 2 of the lighting duct 1 above the plug operation lever 25. The first rotary terminal 21 and the second rotary terminal 22 arranged on the upper side of the rotary plug plate 20 are integrally coupled via a support pin 26. The rotation angle of the plug operation lever 25 is set to 90 degrees by a notch 27 for restricting the rotation angle formed in the cylindrical portion 24.

  When the plug operating lever 25 is positioned at the removal position A1, the plug portion 15 has the rotary plug plate 20 disposed in the longitudinal direction of the lighting duct 1 and the first rotary terminal 21 and the second rotary terminal 22 connected to the lighting duct. 1 in the longitudinal direction. On the other hand, when the plug operating lever 25 is rotated in the clockwise direction when viewed from the floor surface at an angle of 90 degrees from the removal position A1 to the mounting position A2, the plug portion 15 The first rotary terminal 21 and the second rotary terminal 22 are arranged in the short direction of the lighting duct 1 while being arranged in the short direction of the lighting duct 1.

  The fixing portion 16 has a plate portion 28 in which the fixing operation lever 17 is movable in the longitudinal direction on the upper surface of the case 23 of the lighting device portion 12. The plate portion 28 has a lever portion 29 formed in a hook shape at the other end portion, and has a supporting long hole 30 having a length in the longitudinal direction of the case 23 near the other end portion, and one end portion thereof. A lever-side uneven portion 31 having a long hole shape and an internal tooth shape having a length in the longitudinal direction of the case 23 is provided. A support shaft 32 screwed into the upper surface of the case 23 of the lighting device unit 12 is inserted into the long hole 30. The support shaft 32 supports the movement of the fixed operation lever 17 through the long hole 30.

  In the rotation fixing portion 18, a rotation fixing plate 19 and an externally toothed rotation fixing plate-side uneven member 33 arranged on the lower side of the rotation fixing plate 19 are integrally coupled by a set screw 34. The plate 19 and the rotating fixed plate side uneven member 33 are rotatably attached to the upper surface of the case 23 of the lighting device unit 12. The rotary fixed plate 19 is formed in an I shape having a width dimension that is inserted into the opening 2 of the lighting duct 1, similarly to the rotary plug plate 20. The rotation fixing plate side uneven member 33 is engaged with the lever side uneven portion 31 of the fixing operation lever 17. The rotation fixing plate 19, the rotation fixing plate side uneven member 33, the set screw 34, and the fixing operation lever 17 are formed of a non-insulating material. Therefore, fatigue deformation and breakage over a long period can be prevented.

  In the rotation fixing portion 18, the rotation fixing plate 19 is arranged in the longitudinal direction of the lighting duct 1 when the lever portion 29 is positioned at the removal position B <b> 1. On the other hand, when the lever portion 29 is moved in the longitudinal direction of the case 23 of the lighting device portion 12 from the removal position B1 to the mounting position B2 by the pressing, the rotation fixing portion 18 turns on the lighting device portion of the fixing operation lever 17. With the movement of the twelve cases 23 in the longitudinal direction, the lever side uneven portion 31 is moved in the longitudinal direction of the case 23 of the lighting device portion 12. Accordingly, the rotation fixing plate side uneven member 33 is rotated at an angle of 90 degrees about the set screw 34 with respect to the lever side uneven portion 31, whereby the rotation fixing plate 19 is moved in the short direction of the lighting duct 1. Be placed. The rotation fixing unit 18 may be provided with a plurality of two or three or more at the upper part of the lighting device unit 12 instead of one place in the central portion of the lighting device unit 12. Can also be rotated relatively by the movement of the fixed operating lever 17.

Next, a procedure for attaching the lighting device unit 12 to the lighting duct 1 in the lighting fixture 10 will be described. The lighting duct 1 is previously installed on the ceiling surface.
As shown in FIG. 3, the plug operation lever 25 is positioned at the removal position A1. As a result, the rotary plug plate 20 is arranged in the longitudinal direction of the lighting duct 1, and the first rotary terminal 21 and the second rotary terminal 22 are arranged in the longitudinal direction of the lighting duct 1. At the same time, the lever portion 29 is positioned at the removal position B1. Thereby, the rotation fixed plate 19 is arranged in the longitudinal direction of the lighting duct 1. At this time, the rotary plug plate 20 is arranged in the longitudinal direction of the lighting duct 1 and the first rotary terminal 21 and the second rotary terminal 22 are arranged in the longitudinal direction of the lighting duct 1. Each of the 1st rotation terminal 21 and the 2nd rotation terminal 22 is arrange | positioned in the position inserted in the opening part 2 of the lighting duct 1 from the downward direction. Further, since the rotation fixing plate 19 is arranged in the longitudinal direction of the lighting duct 1, the rotation fixing plate 19 is arranged at a position to be inserted into the opening 2 of the lighting duct 1 from below.

  As shown in FIG. 4, the lamp unit 14, the bracket 13, and the lighting device unit 12 are advanced from below the lighting duct 1, and the rotary plug plate 20, the first rotary terminal 21, and the second on the lighting device unit 12. Each of the rotary terminal 22 and the rotary fixed plate 19 is inserted into the opening 2 of the lighting duct 1 from below. The rotary plug plate 20 and the rotary fixed plate 19 inserted into the opening 2 of the lighting duct 1 are disposed in the first groove 4 of the lighting duct 1, and the first rotary terminal 21 and the second rotary terminal 22 are the lighting duct. 1 in the second groove 5.

  Next, in this state, the plug operation lever 25 is rotated clockwise from the removal position A1 to the attachment position A2 when viewed from the floor surface at an angle of 90 degrees. Thereby, the rotary plug plate 20 is engaged with the first groove portion 4 by arranging the rotary plug plate 20 in the short direction of the lighting duct 1. At the same time, the first rotary terminal 21 and the second rotary terminal 22 are arranged in the short direction of the lighting duct 1, so that the first rotary terminal 21 is electrically connected to the first power supply plate 6 in the second groove portion 5. The second rotary terminal 22 is electrically connected to the second power supply plate 7 in the second groove portion 5.

  Then, the lever portion 29 is moved by pressing in the longitudinal direction of the case 23 of the lighting device portion 12 from the removal position B1 to the attachment position B2. As a result, the fixed operation lever 17 is moved in the longitudinal direction of the case 23 of the lighting device unit 12, and the lever side uneven portion 31 is moved in the longitudinal direction of the case 23 of the lighting device unit 12. Then, the rotation fixing plate side uneven member 33 is rotated at an angle of 90 degrees about the set screw 34 with respect to the lever side uneven portion 31 so that the rotation fixing plate 19 is arranged in the short direction of the lighting duct 1. The Thereby, the rotation fixing plate 19 is engaged with the first groove portion 4 of the lighting duct 1 independently of the rotation plug plate 20. At this time, since the rotary plug plate 20, the first rotary terminal 21, the second rotary terminal 22, and the rotary fixed plate 19 are arranged at the upper part of the lighting device unit 12, they are not directly viewed from the floor side. Further, since the lever portion 29 is moved in the opening 2 of the lighting duct 1 and is disposed along the side surface of the case 23 of the lighting device portion 12 at the attachment position B2, it is hidden without being directly viewed from the floor surface side. Be placed. As a result, the design is excellent.

Therefore, in the lighting apparatus 10 according to this embodiment, the rotation fixing plate 19 is substantially formed by the sliding operation of the fixing operation lever 17 provided in the fixing portion 16 fixed to the lighting duct 1 in the longitudinal direction of the lighting device portion 12. The rotary plug plate 20 is fixed to the lighting duct 1 by being rotated 90 degrees and being fixed to the lighting duct 1 and the plug operating lever 25 of the plug portion 15 being rotated at an angle of 90 degrees.
Thereby, in the lighting fixture 10 of this embodiment, the rotation fixing plate 19 of the rotation fixing unit 18 disposed on the upper surface of the central part of the lighting device unit 12 is fixed to the lighting duct 1 and the lamp unit 14 is true. By fixing the rotary plug plate 20 of the plug portion 15 disposed on the lighting duct 1, the fixing force with respect to the lighting duct 1 can be improved.

Moreover, in the lighting fixture 10 of this embodiment, the rotation fixing plate side uneven member 33 provided in the rotation fixing portion 18 is set by the lever side uneven portion 31 provided in the fixed operation lever 17 by the slide operation of the fixing operation lever 17. It pivots relative to the fixed operating lever 17 with 34 as an axis.
Thereby, in the lighting fixture 10 of this embodiment, the rotation fixing plate side uneven member 33 of the rotation fixing unit 18 disposed in the center of the lighting device unit 12 is easily and remotely operated by the fixing operation lever 17. Can do. In addition, since the lever portion 29 of the fixed operation lever 17 is moved in the opening 2 of the lighting duct 1 and is disposed along the side surface of the case 23 of the lighting device portion 12 at the mounting position B2, the lever portion 29 is directly viewed from the floor surface side. It is excellent in design by being hidden and arranged.

  Note that the lighting duct, the light source unit, the bracket, the lamp unit, and the like illustrated in the embodiment are not limited to those illustrated, and can be appropriately changed.

DESCRIPTION OF SYMBOLS 1 Lighting duct 2 Opening part 10 Lighting fixture 11 Light source part 12 Lighting device part 14 Lamp part 15 Plug part 16 Fixing part 17 Fixing operation lever 18 Rotation fixing part 31 Uneven part on the lever side (uneven part)
33 Rotating fixed plate side uneven member

Claims (2)

A lighting device unit having a substantially rectangular parallelepiped shape having a longitudinal direction in the same direction as the longitudinal direction of the lighting duct, and lighting or extinguishing the light source unit;
Holding the light source unit, and a lamp unit which is arranged freely redirected to the lower end portion of the lighting device unit,
A rotating plug plate that is disposed on an upper surface of a portion that supports the lamp unit in the lighting device unit and that is engaged with the lighting duct, and that is disposed closer to the lighting duct than the rotating plug plate. A plug portion having a rotary terminal connected to the base plate, and a plug operating lever that integrally rotates the rotary plug plate and the rotary terminal by a predetermined angle ;
A rotating fixed plate that is arranged on the upper surface of the lighting device unit and is engaged with the lighting duct and capable of rotating at a predetermined angle, and a first concavo-convex member having an external tooth shape that rotates integrally with the rotating fixed plate When the rotation fixing portion having,
It is arranged on the upper surface of the lighting device part, is slidable within a predetermined distance in the longitudinal direction of the lighting device part, and is provided on the other end side opposite to the one end part of the lighting device part, A slide plate having a hook-shaped lever portion that is a portion for remotely operating the rotation fixing portion, and a second uneven portion having an inner tooth shaped to mesh with the first uneven member of the external tooth shape in the rotation fixing portion. And
With
The rotary plug plate and the rotary terminal are rotated by a predetermined angle by the operation of the plug operation lever, so that the rotary plug plate is engaged with the lighting duct, and the rotary terminal is electrically connected to the lighting duct. And
When the hook-shaped lever portion in the slide plate portion is operated and moved from a position not in contact with the other end portion of the lighting device portion to a position in contact with the other end portion, the slide plate portion slides. the luminaire second uneven portion and the rotation fixing plate via the first concave-convex portion is engaged with the lighting duct by rotation. The lighting fixture according to claim 1,
In a state where the hook-shaped lever portion of the slide plate portion is moved to a position in contact with the other end portion of the lighting device portion, the side surface of the hook-shaped lever on the lighting device portion side is the lighting device. luminaires that will be placed along the side of the device unit.

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