JP5172423B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture, and more particularly to a lighting fixture having an intrusion prevention mechanism that prevents a small animal such as an insect from entering the lighting fixture.

  Lighting fixtures installed on the ceiling or the like can cause small animals such as insects to be guided by the light of the lamp and enter the lighting fixtures, so that they cannot go outside and accumulate as dead bodies in covers such as panels and shades. is there. In addition, in a type of lighting fixture in which a cover such as a panel or a shade is not installed, there is a possibility that insects or the like that have entered from the back of the ceiling may enter the room, which is unfavorable because it may cause discomfort to the user.

Conventionally, in lighting fixtures installed outdoors such as downlights provided at the eaves of buildings, lighting fixtures have been provided that prevent small insects from entering the lighting fixture body from the back of the ceiling. (For example, refer to Patent Document 1). The luminaire described in Patent Document 1 is provided by sealing an opening or a gap portion of a fixture main body that accommodates a lamp with a panel, packing, or the like, and installing a low worm panel that cuts an ultraviolet region as a bottom panel. We are trying to prevent insects from entering the body.
JP 2006-236661 A

  In the lighting fixture described in Patent Document 1, the relative position between the fixture main body and the lamp socket is fixed, and invasion prevention of insects and the like is intended for a lighting fixture that can be mounted only with a specific (single) type of lamp. It is the luminaire which was aimed. As described above, the lighting fixture to which only a single type of lamp is attached has a relatively simple structure, and therefore there are few gaps, and insect control measures are easy.

  By the way, lamps having different bulb lengths depending on light output are known. In order to illuminate effectively by selectively mounting such lamps, it is necessary to place the bulb center at the center of the reflector. As a lighting fixture to which lamps having different bulb lengths can be attached, a lighting fixture in which a socket to which the lamp is attached can be moved relative to the main body can be considered. However, in this case, a large-diameter through-hole for allowing the socket to appear and disappear from the instrument body is required, and there is a risk that insects and the like may enter from the opening.

  The present invention has been made in view of the above-described problems, and the purpose thereof is to make it possible to move a socket relative to an instrument body, and to mount a plurality of types of lamps having different bulb lengths. To provide a lighting device that prevents small animals such as insects from entering the lighting device, makes it maintenance-free, and prevents the user from feeling uncomfortable, thereby improving the performance of the lighting device. is there.

In order to achieve the above-described object, the present invention provides an instrument body, a socket that supports a lamp accommodated in the instrument body, a covering portion that is connected to a communication hole of the instrument body and covers the socket, Moving means for moving the socket relative to the instrument body inside the covering portion, the lamp being held by a lamp holder via the socket, and the central axis of the lamp being the instrument body The lamp holder is inclined with respect to the top plate, and the lamp holder is inclined with respect to the top plate by sliding in the horizontal direction that is the extending direction of the top plate. lamp is moved in the horizontal direction, and a through hole for wiring provided in the cover portion is characterized by tapered hole der Rukoto.

In the lighting fixture configured as described above, the socket can be moved with respect to the fixture main body inside the covering portion. Therefore, even when a plurality of types of lamps having different bulb lengths are selectively used, the center of the lamp is set. It can be placed in the center of the main body, and optimal illumination can be performed according to the type of lamp. Further, since the socket is covered with the covering portion, it is possible to prevent insects and the like from entering the lighting fixture.
In the lighting fixture configured as described above, since the through hole for wiring is a tapered hole, it is possible to effectively prevent insects from entering through the through hole regardless of the position of the socket with respect to the fixture body.

  According to the present invention, since the socket is movable with respect to the instrument body inside the covering portion, the center of the lamp is arranged at the center of the instrument body even when a plurality of types of lamps having different bulb lengths are selectively used. Therefore, it is possible to solve the problem that only a single lamp as in the prior art can be dealt with, and thus it is possible to obtain an effect that optimal illumination can be performed according to the type of the lamp. In addition, since the socket is covered with the covering portion, it is possible to prevent insects and the like from entering the lighting apparatus and to prevent the user from feeling uncomfortable, and to reduce the cleaning effort to a minimum. .

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. 1 is a side view of a luminaire according to the present invention, FIG. 2 is a partially cutaway perspective view of the luminaire as viewed obliquely from below, FIG. 3 is a side view of the main part of the luminaire showing a covering portion in cross section, and FIG. The perspective view which looked at the part enclosed by the circle | round | yen A shown in FIG. 1 from diagonally downward, FIG. 5 is principal part sectional drawing of the coating | coated part which shows the through-hole for wiring.

  As shown in FIG. 1, a lighting fixture 10 of the present invention includes a fixture body 11, a socket 12 that supports a lamp 13, a covering portion 14 that covers the socket 12, and a moving means 15 that moves the socket 12. Prepare.

  As shown in FIGS. 1 and 2, the instrument body 11 is formed in a substantially cylindrical shape and a lower cover portion 17 having an opening 16 on the lower surface, and a substantially truncated cone shape having a slight bulge outward. The upper cover 18 is integrally formed continuously and is embedded in the ceiling hole 19.

  A communication hole 21 for inserting the lamp 13 is formed on the side surface (left side surface in FIGS. 1 and 2) of the instrument body 11. The communication hole 21 is a substantially U-shaped hole that opens in the top surface 11 a of the instrument body 11. The lower end portion of the substantially U-shaped communication hole 21 is positioned above the back surface 25 a of the ceiling plate 25 when the lighting fixture 10 is attached to the ceiling plate 25. In addition, the fixture body 11 is provided with three fixtures 22 protruding from slits formed on the side walls at intervals of 120 °.

  The top plate 20 is fixed to the top surface 11a of the instrument body 11 through a flat slide substrate 30 fixed to the top plate 20 with no gap. The top plate 20 is formed by bending a flat plate portion 20a fixed to the top surface 11a of the instrument body 11 and left and right ends of the flat plate portion 20a (both ends in a direction perpendicular to the paper surface in FIG. 1) at right angles. The rib 20b is provided and is substantially U-shaped.

  On the rib 20b of the top plate 20, the ribs 23a of the support plate 23, which are formed by bending both left and right ends into a substantially U-shape, are screwed with screws 29 so that the top plate 20 and the support plate 23 are integrated. It is fixed. The support plate 23 includes a leg portion 23b formed by bending a rear end portion (left end portion in FIG. 1) twice by 45 degrees.

  The fixture main body 11 and the support plate 23 which are screwed and fixed together in this way are attached to the back surface 25a of the ceiling plate 25 and the leg portion 23b of the support plate 23 is the back surface 25a of the ceiling plate 25. The appliance main body 11 is embedded in the ceiling hole 19 and attached.

  By fixing the instrument body 11 and the support plate 23 with screws 29, the relative attachment angle between the instrument body 11 and the support plate 23 can be freely set. Thereby, thickness t1 of the ceiling board 25 of the part to which the fixture 22 of the instrument main body 11 is attached and thickness t2 of the ceiling board 25 of the part to which the leg part 23b of the support plate 23 is attached are different in thickness. Even if it exists, the lighting fixture 10 can be attached in parallel, without the fixture main body 11 inclining with respect to the ceiling board 25 by adjusting the angle of the fixture main body 11 and the support plate 23 with the screw | thread 29. FIG. A lamp control device 24 such as a ballast or a power saving device is fixed to the support plate 23.

  Inside the instrument main body 11, a reflector 26 formed in a substantially cylindrical shape having an outer diameter smaller than the inner diameter of the instrument main body 11 is attached. A panel 27 that transmits light radiated from the lamp 13 is attached to the lower surface of the instrument body 11 and the reflecting plate 26 via a packing or the like without any gaps. Further, a substantially U-shaped lamp insertion hole 28 is formed on the side surface of the reflection plate 26 so as to correspond to the communication hole 21 of the instrument body 11.

  Referring also to FIG. 3, a lamp holder 31 is movably mounted on a flat slide substrate 30 fixed to the top plate 20. As shown in FIG. 2, the lamp holder 31 is formed with a plurality of long holes 32 having a long axis in the left-right direction, and a stepped portion of a stepped screw 33 is fitted into the long hole 32 to slide the slide substrate 30. Attached to. Thereby, the long hole 32 is guided by the step part of the stepped screw 33, and the lamp holder 31 is movable in the left-right direction in FIG.

  The rear end portion 31a of the lamp holder 31 formed by bending approximately 70 ° is fixed by screwing the rear end portion of the socket 12. Therefore, the socket 12, in other words, the central axis of the lamp 13 is inclined by approximately 20 ° with respect to the top plate 20. The lamp holder 31 movably attached along the slide substrate 30 by the slide substrate 30 and the stepped screw 33 constitutes a moving means 15 that moves the socket 12.

  The socket 12 is disposed outside the instrument body 11 so as to face the communication hole 21 of the instrument body 11. The lamp 13 attached to the socket 12 is inserted into the instrument main body 11 through the communication hole 21 of the instrument main body 11 and the lamp insertion hole 28 of the reflector 26, and the center of the bulb of the lamp 13 is substantially coincident with the center of the reflector 26. It is arranged at the position.

  The covering portion 14 that covers the socket 12 has a substantially U-shaped cross section made of, for example, synthetic resin, and a side wall 34 is formed at one end of the substantially U-shape (left side in FIGS. 2 and 3). Is provided. The other end (on the right side in FIGS. 2 and 3) has a shape that matches the shape of the communication hole 21 of the instrument body 11, and extends sideways and obliquely upward in a side view (see FIG. 1). A contact portion 35 having a substantially U-shape is formed.

  A rib 36 having a substantially semicircular circumferential groove 37 is formed in a substantially semicircular portion constituting the lower portion of the substantially U-shaped contact portion 35. A part (lower part) of the communication hole 21 of the instrument main body 11 is inserted into the circumferential groove 37 so that the covering portion 14 and the instrument main body 11 are connected without a gap. In addition, the substantially straight portion at the top of the contact portion 35 contacts the edge portion of the communication hole 21 of the instrument body 11 with no gap.

  Further, as shown in FIG. 4, ribs 38 having a substantially U-shaped cross section are formed at both upper ends of the covering portion 14, and the upper surface 38a of the rib 38 formed in parallel to the top plate 20 It abuts on the lower surface of the top plate 20 in the absence. At the same time, the upper end of the side wall 34 formed at one end (the left end in FIG. 3) also abuts the lower surface of the top plate 20 without a gap.

  As a result, the entire circumference of the upper edge of the covering portion 14 is in close contact with the lower surface of the top plate 20, and the abutting portion 35 of the covering portion 14 is in close contact with the edge of the communication hole 21 of the instrument body 11. The panel 27 is fixed to the opening 16 of the main body 11 through packing or the like, and the lighting fixture 10 is sealed.

  Further, as shown in FIG. 5, a through hole 40 for wiring is formed in the side wall 34 of the covering portion 14. The through hole 40 is a tapered hole having a large diameter inside the covering portion 14, and the thickness of the edge of the through hole 40 is thin. Accordingly, when a power cord (not shown) slightly thicker than the inner diameter of the through hole 40 is inserted, the power cord is inserted in a state without a gap due to the elasticity of the covering portion 14.

  Next, a state where the lamps 13 having different bulb lengths are attached to the lighting fixture 10 will be described with reference to FIGS. 6 and 7. FIG. 6 is a partially cutaway perspective view of a lighting fixture to which a lamp with a long bulb length is attached, seen from an obliquely lower side, and FIG. 7 is a partially broken perspective view of the lighting fixture to which a lamp with a short bulb length is attached, seen from an obliquely lower side. is there.

  As shown in FIG. 6, when the lamp 13 having a long bulb length is attached, the lamp holder 31 is moved to the left in the figure with respect to the instrument body 11, and the lamp center of the lamp 13 and the instrument body 11 (reflecting plate) are moved. 26) can coincide with the center.

  Further, as shown in FIG. 7, when the lamp 13 having a short bulb length is attached, the lamp holder 31 is moved to the right in the drawing with respect to the instrument body 11, and the lamp center of the lamp 13 and the instrument body 11 (reflection) Align the center of the plate 26). Accordingly, it is possible to easily attach to a plurality of types of lamps 13 having different bulb lengths, and it is possible to perform illumination in an optimum state by attaching the lamp 13 to an optimum position.

  In addition, the lighting fixture 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 lighting apparatus has been described as a ceiling-embedded type, but is not limited thereto, and can be similarly applied to other types of lighting apparatuses such as an indoor installation type, and has the same effect. .

  In addition, the materials, shapes, dimensions, forms, numbers, locations, etc. of the appliance main body, lamp, socket, covering portion, moving means, wiring through-holes, etc. exemplified in the above-described embodiments can achieve the present invention. It is optional and not limited.

Side view of lighting apparatus according to the present invention Partially broken perspective view of the luminaire as seen from diagonally below Side view of the main part of the luminaire showing the cover in cross section The perspective view which looked at the part enclosed by the circle A shown in FIG. 1 from diagonally downward Cross-sectional view of the main part of the coating showing the through-hole for wiring Partially broken perspective view of a lighting fixture with a lamp with a long bulb length as seen from diagonally below Partially broken perspective view of a lighting fixture with a lamp with a short bulb length as seen from diagonally below

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Lighting fixture 11 Appliance main body 12 Socket 13 Lamp 14 Covering part 15 Moving means 30 Slide substrate (moving means)
31 Lamp holder (moving means)
21 communication hole 40 through hole

Claims (1)

An instrument body;
A socket for supporting a lamp accommodated in the instrument body;
A covering portion that is connected to the communication hole of the instrument body and covers the socket;
Moving means for moving the socket relative to the instrument body inside the covering portion ;
The lamp is held by a lamp holder through the socket, and the central axis of the lamp is inclined with respect to the top plate fixed to the top of the instrument body,
When the lamp holder slides in the horizontal direction, which is the direction in which the top plate extends, the lamp tilted with respect to the top plate moves in the horizontal direction,
And luminaire through hole for wiring provided on the cover portion is characterized tapered hole der Rukoto.

Images