JP2017162685A - Lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lighting fixture which can be mounted on a plurality of poles having different diameters respectively, irrespective of presence/absence of a protrusion and a component at a tip inside of the pole.SOLUTION: A lighting fixture 1 includes a fixture body 3 which can be mounted on a plurality of kinds of poles 10. The fixture body 3 has a cylindrical mounting member 5. The mounting member 5 at least has a first mounting part 51 and a second mounting part 52. Out of the plurality of kinds of poles 10, the first mounting part 51 accommodates a mounted part (first mounted part) 101a of a first pole 10a in which width dimension (diameter) of a mounted part 101 is the largest inside. Out of the plurality of kinds of poles 10, the second mounting part 52 accommodates a mounted part (second mounted part) 101b of a second pole 10b in which width dimension (diameter) of the mounted part 101 is the smallest. The mounting member 5 arranges the first mounting part 51 close to an end surface (lower end surface) 501.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a lighting fixture. More particularly, the present invention relates to a lighting fixture attached to a pole.

  As a conventional example, the lighting fixture described in Patent Document 1 is illustrated. The lighting fixture described in Patent Literature 1 can be attached to two types of poles having different external shapes using a common holder. The common holder is integrally formed in a circular shape, and includes a small pole mounting portion, a large pole mounting portion, and a glove mounting portion. The glove mounting portion is located at the lower end of the common holder, and the shape thereof is formed in the shape of a disk base.

  The mounting part for the large pole has an inner inner peripheral part of the mounting part for the globe that extends vertically upward, so that a large pole with a large outer shape can be fitted, and this fitted state can be maintained. Is formed.

  The small pole mounting portion is molded so that a part of the upper surface of the large pole mounting portion of the common holder protrudes. Further, the small pole mounting portion is formed so that the protruding portions are a pair and are opposed to each other. The small pole mounting part is provided with a small pole insertion groove for inserting the outer peripheral piece (thick part) of the small pole. When the small pole is attached, Insert into the insertion slot for pole.

JP-A-11-288615

  In general, there are a plurality of types of poles having different tip diameters. When a lighting fixture is attached to an existing pole, parts such as a lighting fixture or an adapter corresponding to the diameter of the tip of the pole are required. The lighting fixture described in Patent Document 1 is formed to correspond to the diameters of two different poles.

  However, for example, there are poles with protrusions formed on the inner peripheral surface and poles with other parts provided on the inner peripheral surface. When the lighting apparatus described in Patent Document 1 is to be attached to a small pole having the above-described protrusion or another part inside the tip of the pole, the protrusion or part cannot enter the insertion groove for the small pole. May not be attached to the small pole.

  This invention is made | formed in view of the said reason, and it aims at providing the lighting fixture which can be attached to each of several poles from which a diameter differs irrespective of the presence or absence of the protrusion and components inside the pole tip.

  The lighting fixture of this invention is equipped with the fixture main body which can be attached to the cylindrical to-be-attached part with which each of multiple types of pole is provided. The instrument body has a cylindrical mounting member having an open end surface. The attachment member has at least a first attachment portion and a second attachment portion. The first mounting portion accommodates the mounted portion of the first pole having the largest width of the mounted portion among the plurality of types of poles, and the first mounting portion of the mounted portion of the first pole. It has the 1st contact surface which hits a front-end | tip. The second attachment portion accommodates the attachment portion of the second pole having the smallest width dimension of the attachment portion among the plurality of types of poles, and the attachment portion of the second pole. It has the 2nd contact surface which hits a front-end | tip. The mounting member is configured such that the first mounting portion is disposed near the end surface, and the second mounting portion is disposed behind the first mounting portion when viewed from the end surface. To do.

  The lighting fixture of the present invention has an effect that it can be attached to each of a plurality of poles having different diameters regardless of the presence or absence of protrusions and parts inside the tip of the pole.

It is a front view which shows the lighting fixture which concerns on embodiment of this invention. It is a top view which shows the principal part of a lighting fixture same as the above. It is sectional drawing which shows a lighting fixture same as the above. It is a bottom view which shows the attachment member of the lighting fixture same as the above. It is the partially broken front view which shows the lighting fixture of the state attached to the pole same as the above. It is the partially broken front view which shows the lighting fixture of the state attached to another pole same as the above. It is the partially broken front view which shows the lighting fixture of the state attached to another pole same as the above.

  Hereinafter, the lighting fixture which concerns on embodiment of this invention is demonstrated in detail with reference to drawings. The lighting fixture of this embodiment is a lighting fixture that uses a plurality of solid light emitting elements, for example, a plurality of LEDs (Light Emitting Diodes), and can be attached to three types of poles having different diameters. Moreover, as shown in FIG. 1, the lighting fixture 1 of this embodiment is attached to the pole 10 standing from the ground, for example, and is used as a street light, a park light, a road light, etc. which illuminate the ground around the pole 10. It is done. The pole 10 is formed of a cylindrical steel pipe that is long in the vertical direction, and includes a mounted portion 101 to which the lighting fixture 1 is mounted on the tip (upper end) side. The top surface of the pole 10 is defined as an upper end surface 102.

  The following configuration is merely an example of the present invention, and the present invention is not limited to the following embodiments, and the technical idea according to the present invention does not depart from the following embodiments. Within the range, various changes can be made according to the design and the like.

  In the following description, unless otherwise specified, in the direction shown in FIG.

  The lighting fixture 1 of this embodiment is provided with the four light source modules 2 and the fixture main body 3 as shown in FIG. 1 and FIG.

  As shown in FIG. 2, each of the four light source modules 2 includes a plurality of LEDs 21 and a circuit board 22 on which the plurality of LEDs 21 are mounted. A connector 23 is mounted on the circuit board 22 and a lighting current is supplied via a cable connected to the connector 23 (see FIG. 3).

  The instrument body 3 includes a housing 4 that houses the four light source modules 2 and an attachment member 5 that houses the attached portion 101 of the pole 10 (see FIG. 1).

  As shown in FIG. 3, the housing 4 includes a globe 41, a cover 42, and a top plate 43.

  The globe 41 is formed of a light-transmitting synthetic resin, such as an acrylic resin, into a circular box shape with an upper surface opened. The globe 41 includes a circular plate-shaped bottom wall 411, a side wall 412 that extends upward from the periphery of the bottom wall 411, and a flange 413 that protrudes outward from the tip of the side wall 412. The bottom wall 411, the side wall 412, and the flange 413 are integrally formed. In the center of the bottom wall 411 of the globe 41, an opening 414 having an opening dimension larger than the outer dimension of the mounting member 5 is formed.

  The cover 42 is formed of a metal, for example, aluminum die casting, iron, stainless steel, or the like into a circular box shape whose bottom surface is open. The cover 42 includes an upper wall 421 formed in a circular plate shape, and a side wall 422 extending downward from the periphery of the upper wall 421. A circular opening 423 to which the top plate 43 is attached is formed near the center of the upper wall 421 of the cover 42. The cover 42 is formed so that the inner diameter of the cover 42 is larger than the outer diameter of the collar 413 so that the side wall 422 is attached to the outside of the outer edge of the collar 413 of the globe 41. The cover 42 is disposed on the upper side of the cover 42 so as to cover the opening on the upper surface of the globe 41 from the upper side. An annular packing 44 is inserted between the collar 413 of the globe 41 and the upper wall 421 of the cover 42 (see FIG. 2). The packing 44 has a U-shaped cross section when viewed from the circumferential direction, and is formed so that the flange 413 of the globe 41 is sandwiched between the recesses.

  As shown in FIGS. 2 and 3, each of the four light source modules 2 is disposed so that the radiation surface faces downward, and is fixed to the upper wall 421 of the cover 42 by two screws 61. Further, as shown in FIG. 2, the four light source modules 2 are fixed to the inner periphery of the upper wall 421 so as to be equidistant from each other in the circumferential direction of the upper wall 421 of the cover 42.

  As shown in FIG. 3, the top plate 43 is formed of a metal, for example, aluminum die-casting, iron, stainless steel, or the like into a circular box shape whose bottom surface is opened. The top plate 43 includes an upper wall 431 formed in a circular plate shape and a side wall 432 extending downward from the periphery of the upper wall 431. The upper wall 431 is formed with three insertion holes through which the three screws 62 can be inserted one-on-one. The insertion hole communicates with an insertion hole formed in the upper wall 421 of the cover 42 and a screw hole 551 of the boss 55 formed in the attachment member 5. An annular packing 45 is inserted between the upper wall 431 of the top plate 43 and the upper wall of the cover 42 (see FIG. 2).

  The attachment member 5 is formed in a cylindrical shape whose both ends are opened by metal, for example, aluminum die casting, iron, stainless steel or the like. The attachment member 5 has a step portion 50 having a small diameter on the upper end side and an outer peripheral surface formed in a step shape when viewed from the circumferential direction. A packing 46 is attached to the upper surface of the stepped portion 50. The casing 4 is attached to the upper side of the step portion 50 so that the packing 46 is sandwiched between the upper surfaces of the casing 4 and the step portion 50. The cover 42 is fixed to the upper end of the attachment member 5 by three screws 63. The attachment member 5 has three bosses 55 that are formed long in the vertical direction on the inner peripheral surface. Each of the three bosses 55 has a screw hole 551 formed in the vertical direction. The top plate 43 is fixed to the screw hole 551 of the attachment member 5 with screws 62 so as to cover the opening of the upper wall 421 of the cover 42. That is, the top plate 43 is fixed to the mounting member 5 by inserting the screw 62 from above into the insertion hole of the top plate 43 and screwing the screw 62 into the screw hole 551 of the boss 55. That is, each of the three screws 62 is inserted into the screw hole 551 of the boss 55 through the insertion hole provided in the upper wall 431 of the top plate 43 and the insertion hole provided in the upper wall 421 of the cover 42. Thus, the top plate 43 is fixed to the mounting member 5.

  By the way, the power supply unit that supplies the lighting current to the four light source modules 2 is attached to the lower part of the pole 10. The other ends of the cables whose one ends are connected to the four light source modules 2 are electrically connected to the power supply unit. That is, the cable is routed inside the instrument body 3. Therefore, as shown in FIGS. 2 and 3, the attachment member 5 has a first tension stop member 561, a second tension stop member 562, a first tension stop member 561, and a second tension stop inside the upper end side. And a base 560 to which the member 562 is attached.

  The base 560 is formed in a long rectangular shape, and is formed such that the direction perpendicular to the vertical direction is the longitudinal direction. The first tension stopper 561 is formed in a rectangular shape, and is attached to the upper surface of the base 560 so that the longitudinal direction is parallel to the longitudinal direction of the base 560. The second tension stopper 562 is formed in a rectangular shape, and is attached to the upper surface of the base 560 so that the longitudinal direction is orthogonal to the longitudinal direction of the base 560. As the cable is routed along the outer peripheral surfaces of the first tension stop member 561 and the second tension stop member 562, the tension applied to the cable is suppressed.

  By the way, the attachment member 5 is configured so that three types of poles having different diameters can be attached. Each of the three types of poles 10 has a mounted portion 101 having a different diameter. Of the three types of poles 10 having different diameters, the pole 10 having the largest diameter of the mounted portion 101 is referred to as a first pole 10a, and the mounted portion 101 of the first pole 10a is referred to as a first mounted portion 101a. Of the three types of poles 10 having different diameters, the pole 10 having the smallest diameter of the attached portion 101 is referred to as a second pole 10b, and the attached portion 101 of the second pole 10b is referred to as a second attached portion 101b. Further, among the three types of poles 10 having different diameters, the pole 10 having the attached portion 101 having a diameter smaller than the first pole 10a and larger than the second pole 10b is defined as a third pole 10c, and the third pole 10c is covered. The attachment portion 101 is referred to as a third attached portion 101c. The attachment member 5 is formed so that it can be accommodated in any of the first attached portion 101a, the second attached portion 101b, and the third attached portion 101c (FIGS. 5, 6, and 7). reference). The diameter of the attached portion 101 corresponds to the width dimension of the attached portion 101.

  As shown in FIG. 4, the attachment member 5 includes a first attachment portion 51, a second attachment portion 52, and a third attachment portion 53 on the inner peripheral surface. As shown in FIG. 5, the first mounting portion 51 is formed so as to accommodate the first mounted portion 101a of the first pole 10a. As shown in FIG. 6, the second mounting portion 52 is formed so as to accommodate the second mounted portion 101b of the second pole 10b. As shown in FIG. 7, the third attachment portion 53 is formed so as to accommodate the third attached portion 101c of the third pole 10c. As shown in FIG. 3, the first mounting portion 51, the second mounting portion 52, and the third mounting portion 53 are formed from the lower end surface 501 of the mounting member 5 in the upward direction. 53 and the second attachment portion 52 are formed on the attachment member 5 in this order.

  Hereinafter, the attachment member 5 will be described in detail. First, the first rib 511, the second rib 521, and the third rib 531 are integrally formed in a stepped manner on the inner peripheral surface of the mounting member 5.

  As shown in FIGS. 4 and 5, the first mounting portion 51 includes three first ribs 511 and three second ribs 521. The three first ribs 511 are formed at equal intervals (120 degree intervals) in the circumferential direction of the mounting member 5. The three first ribs 511 are composed of one first rib 511a and two first ribs 511b. One first rib 511a is formed to have a longer circumferential length of the mounting member 5 than two first ribs 511b. In addition, in the following description, when it demonstrates common about 1st rib 511a, 511b, it demonstrates as the 1st rib 511.

  Each of the three first ribs 511 is formed so as to protrude from the inner peripheral surface of the attachment member 5 toward the radial center of the attachment member 5. The three first ribs 511 are formed with the smallest protrusion amount compared to the three second ribs 521 and the three third ribs 531. Each of the three first ribs 511 has a first inner peripheral surface 512 on the center side in the radial direction of the mounting member 5. Each of the three first inner peripheral surfaces 512 is formed in an arc shape when viewed from the vertical direction so as to form an arc concentric with the mounting member 5. Further, the first inner peripheral surface 512 is formed in a tapered surface that is inclined inward as it goes upward so that the first attached portion 101a of the first pole 10a can be easily inserted from below. That is, the diameters of the circles passing through the three first inner peripheral surfaces 512 become smaller in the upward direction.

  The first mounting portion 51 has three first contact surfaces 513 that come into contact with the upper end surface 102a of the first mounted portion 101a of the first pole 10a. The three first contact surfaces 513 are lower end surfaces of the three third ribs 531.

  As shown in FIG. 3, the first rib 511 a has two screw holes 541 through which screws are inserted from the outside of the attachment member 5 in the radial direction of the attachment member 5.

  As shown in FIGS. 4 and 6, the second attachment portion 52 includes three second ribs 521 and three bosses 55. The three second ribs 521 are formed at regular intervals (120 degree intervals) in the circumferential direction of the mounting member 5. The three second ribs 521 are composed of one second rib 521a and two second ribs 521b. One second rib 521a is formed to have a larger length in the circumferential direction of the mounting member 5 than two second ribs 521b. In the following description, the second ribs 521a and 521b will be described as the second ribs 521 when they are described in common.

  Each of the three second ribs 521 is formed so as to protrude from the inner peripheral surface of the mounting member 5 toward the radial center of the mounting member 5. The three second ribs 521 are formed with the largest protrusion amount compared to the three first ribs 511 and the three third ribs 531. Each of the three second ribs 521 has a second inner peripheral surface 522 on the center side in the radial direction of the mounting member 5. Each of the three second inner peripheral surfaces 522 is formed in an arc shape when viewed from above and below so as to form an arc concentric with the mounting member 5. The second inner peripheral surface 522 is formed in a tapered surface that is inclined inward as it goes upward so that the second attached portion 101b of the second pole 10b can be easily inserted from below. That is, the diameters of the circles passing through the three second inner peripheral surfaces 522 become smaller in the upward direction.

  The second mounting portion 52 has three second contact surfaces 523 that come into contact with the upper end surface 102b of the second mounted portion 101b of the second pole 10b. The three second contact surfaces 523 are the lower end surfaces of the three bosses 55.

  As shown in FIG. 4 and FIG. 7, the third attachment portion 53 includes three third ribs 531 and three second ribs 521. The three third ribs 531 are formed at equal intervals (120 degree intervals) in the circumferential direction of the mounting member 5. The three third ribs 531 are configured by one third rib 531a and two third ribs 531b. One third rib 531a is formed to have a larger circumferential length of the mounting member 5 than two third ribs 531b. In the following description, when the third ribs 531a and 531b are described in common, the third rib 531 is described.

  Each of the three third ribs 531 is formed so as to protrude from the inner peripheral surface of the attachment member 5 toward the radial center of the attachment member 5. The three third ribs 531 are formed so that the amount of protrusion is larger than the amount of protrusion of the three first ribs 511, and the amount of protrusion is smaller than the amount of protrusion of the three second ribs 521. The Each of the three third ribs 531 has a third inner peripheral surface 532 on the center side in the radial direction of the mounting member 5. Each of the three third inner peripheral surfaces 532 is formed in an arc shape when viewed from above and below so as to form an arc concentric with the mounting member 5. Further, the third inner peripheral surface 532 is formed in a tapered surface that is inclined inward as it goes upward so that the third attached portion 101c of the third pole 10c can be easily inserted from below. That is, the diameter of the circle passing through the three third inner peripheral surfaces 532 decreases as it goes upward.

  The third attachment portion 53 has a third contact surface 533 that contacts the upper end surface 102c of the third attached portion 101c of the third pole 10c. The third contact surface 533 is a lower end surface of each of the three second ribs 521.

  Here, with reference to FIG. 3 and FIG. 5, the method to attach the lighting fixture 1 to the 1st pole 10a is demonstrated. The operator moves the luminaire 1 downward from above the first pole 10a in order to accommodate the first attached portion 101a of the first pole 10a inside the attachment member 5. An operator moves the lighting fixture 1 further downward so that the outer peripheral surface of the first attached portion 101a is along the first inner peripheral surface 512 of each of the three first ribs 511. When the upper end surface 102a of the first attached portion 101a contacts the first contact surface 513, the downward movement of the lighting fixture 1 is restricted. An operator screws a screw into each of the two screw holes 541 until it contacts the outer peripheral surface of the first mounted portion 101a. When the tip of the screw contacts the outer peripheral surface of the first attached portion 101a, the outer peripheral surface of the first attached portion 101a is pressed against each of the first inner peripheral surfaces 512 of the two first ribs 511b. In this way, the lighting fixture 1 is attached to the first pole 10a.

  With reference to FIG. 3 and FIG. 6, the method to attach the lighting fixture 1 to the 2nd pole 10b is demonstrated. The operator moves the luminaire 1 downward from above the second pole 10b in order to accommodate the second mounted portion 101b of the second pole 10b inside the mounting member 5. The operator further moves the lighting fixture 1 downward so that the outer peripheral surface of the second attached portion 101b is along the second inner peripheral surface 522 of each of the three second ribs 521. When the upper end surface 102b of the second attached portion 101b contacts the second contact surface 523, the downward movement of the lighting fixture 1 is restricted. An operator screws a screw into each of the two screw holes 541 until it contacts the outer peripheral surface of the second attached portion 101b. When the tips of the two screws come into contact with the outer peripheral surface of the second attached portion 101b, the outer peripheral surface of the second attached portion 101b is pressed against each of the second inner peripheral surfaces 522 of the two second ribs 521b. It is done. In this way, the lighting fixture 1 is attached to the second pole 10b.

  With reference to FIG. 3 and FIG. 7, the method to attach the lighting fixture 1 to the 3rd pole 10c is demonstrated. The operator moves the luminaire 1 downward from above the third pole 10c in order to accommodate the third attached portion 101c of the third pole 10c inside the attachment member 5. The operator further moves the lighting fixture 1 downward so that the outer peripheral surface of the third attached portion 101 c is along the third inner peripheral surface 532 of each of the three third ribs 531. When the upper end surface 102c of the third attached portion 101c comes into contact with the third contact surface 533, the downward movement of the lighting fixture 1 is restricted. The operator screws a screw into each of the two screw holes 541 until it contacts the outer peripheral surface of the third attached portion 101c. When the two screws come into contact with the outer peripheral surface of the third attached portion 101c, the outer peripheral surface of the third attached portion 101c comes into contact with each of the two third ribs 531b. In this way, the lighting fixture 1 is attached to the third pole 10c.

  Since the lighting fixture 1 of the present embodiment includes the three first ribs 511, the three second ribs 521, and the three third ribs 531 on the inner peripheral surface of the mounting member 5, It can be attached to the pole 10 with or without protrusions or parts. Moreover, the lighting fixture 1 becomes attachable to the pole 10 from which a diameter differs by having the 1st attaching part 51, the 2nd attaching part 52, and the 3rd attaching part 53. FIG.

  In addition, a light source module is not limited to the light source module 2 using several LED like this embodiment. The light source module may be a light source module using a fluorescent lamp or the like instead of the plurality of LEDs. Moreover, in the lighting fixture 1, the number of the light source modules 2 is not limited to four, and 1-3 or five or more light source modules 2 may be used. Furthermore, the shape of the housing | casing 4 is not limited to this embodiment, You may form in the spherical body comprised with a glove and a cover.

  Each of the cover 42, the top plate 43, and the attachment member 5 is not limited to the metal described in the example of the present embodiment, and may be formed of a metal that is not included in the example. The globe 41 is not limited to the acrylic resin listed in the example of the present embodiment, and may be formed of a synthetic resin or glass having translucency other than the acrylic resin.

  The attachment member 5 is not limited to a configuration having three attachment portions, that is, a first attachment portion 51, a second attachment portion 52, and a third attachment portion 53. The attachment member 5 may have a configuration having two attachment portions, a first attachment portion 51 and a second attachment portion 52. Moreover, the structure which has four or more attachment parts may be sufficient as the attachment member 5. FIG.

  Each of the first attachment portion 51, the second attachment portion 52, and the third attachment portion 53 may be formed with, for example, an annular rib formed on the inner peripheral surface. Further, the number of each of the first rib 511, the second rib 521, and the third rib 531 is not limited to three. Each of the first attachment portion 51, the second attachment portion 52, and the third attachment portion 53 may be composed of one, two, or four or more ribs.

  The number and location of the screw holes 541 are not limited to this embodiment. For example, the screw hole 541 may be provided in each of the first rib 511a, the second rib 521a, and the third rib 531a. The screw hole 541 is formed at a place other than the three first ribs 511, the three second ribs 521, and the three third ribs 531, for example, between the first rib 511a and the first rib 511b. Also good.

  The attachment member 5 is not limited to a cylindrical shape. The attachment member 5 may be formed in a cylindrical shape having a polygonal cross section in the horizontal direction.

  The lighting fixture 1 of this embodiment is provided with the fixture main body 3 which can be attached to the cylindrical to-be-attached part 101 with which each of multiple types of pole 10 is provided. The instrument body 3 has a cylindrical mounting member 5 having an open end surface. The attachment member 5 has at least a first attachment portion 51 and a second attachment portion 52. The first mounting portion 51 accommodates the mounted portion (first mounted portion) 101a of the first pole 10a having the largest width dimension (diameter) of the mounted portion 101 among a plurality of types of poles 10, In addition, a first contact surface 513 that hits the tip (upper end surface) 102a of the mounted portion (first mounted portion) 101a of the first pole 10a is provided. The second mounting portion 52 accommodates the mounted portion (second mounted portion) 101b of the second pole 10b having the smallest width dimension (diameter) of the mounted portion 101 among the plurality of types of poles 10, In addition, the second pole 10b has a second contact surface 523 that contacts the tip (upper end surface) 102b of the mounted portion (second mounted portion) 101b of the second pole 10b. The attachment member 5 is arranged such that the first attachment portion 51 is disposed near the end surface (lower end surface) 501 and the second attachment portion 52 is disposed behind the first attachment portion 51 when viewed from the end surface (lower end surface) 501. It is configured.

  Since the lighting fixture 1 of the present embodiment is configured as described above, it can be attached to poles having different diameters regardless of the presence or absence of protrusions or other parts inside the tip of the pole 10.

  In the lighting fixture 1 of this embodiment, it is preferable that the attachment member 5 further has a third attachment portion 53. Of the plurality of types of poles 10, the third mounting portion 53 has a width dimension (diameter) of the mounted portion 101 that is greater than a width dimension (diameter) of the mounted portion (first mounted portion) 101a of the first pole 10a. And the attached portion (third attached portion) 101c of the third pole 10c which is smaller and larger than the width dimension (diameter) of the attached portion (second attached portion) 101b of the second pole 10b. It is preferable. Furthermore, it is preferable that the third attachment portion 53 has a third contact surface 533 that contacts the tip (upper end surface) 102c of the attached portion (third attached portion) 101c of the third pole 10c. The attachment member 5 is preferably configured to dispose the third attachment portion 53 between the first attachment portion 51 and the second attachment portion 52 when viewed from the end surface (lower end surface) 501.

  If the lighting fixture 1 of this embodiment is comprised as mentioned above, it can be attached to three types of poles 10. FIG.

  In the lighting fixture 1 of the present embodiment, the first mounting portion 51 has a plurality of first ribs 511 that protrude from the inner peripheral surface of the mounting member 5 toward the mounted portion (first mounted portion) 101a. preferable. The second attachment portion 52 preferably has a plurality of second ribs 521 that protrude from the inner peripheral surface of the attachment member 5 toward the attached portion (second attached portion) 101b. At least one first rib 511b among the plurality of first ribs 511 of the first mounting portion 51 is configured to contact the side surface (outer peripheral surface) of the mounted portion (first mounted portion) 101a of the first pole 10a. It is preferable that At least one second rib 521b among the plurality of second ribs 521 of the second mounting portion 52 is configured to contact the side surface (outer peripheral surface) of the mounted portion (second mounted portion) 101b of the second pole 10b. It is preferable that

  In the lighting fixture 1 of the present embodiment, the first mounting portion 51 has a plurality of first ribs 511 that protrude from the inner peripheral surface of the mounting member 5 toward the mounted portion (first mounted portion) 101a. preferable. The second attachment portion 52 preferably has a plurality of second ribs 521 that protrude from the inner peripheral surface of the attachment member 5 toward the attached portion (second attached portion) 101b. The third attachment portion 53 preferably has a plurality of third ribs 531 protruding from the inner peripheral surface of the attachment member 5 toward the attached portion (third attached portion) 101c. At least one first rib 511b among the plurality of first ribs 511 of the first mounting portion 51 is configured to contact the side surface (outer peripheral surface) of the mounted portion (first mounted portion) 101a of the first pole 10a. It is preferable that At least one second rib 521b among the plurality of second ribs 521 of the second mounting portion 52 is configured to contact the side surface (outer peripheral surface) of the mounted portion (second mounted portion) 101b of the second pole 10b. It is preferable that At least one third rib 531b among the plurality of third ribs 531 of the third attachment portion 53 is configured to contact the side surface (outer peripheral surface) of the attachment portion (third attachment portion) 101c of the third pole 10c. It is preferable that

  If the lighting fixture 1 of this embodiment is comprised as mentioned above, the weight reduction of the lighting fixture 1 can be achieved.

  In the lighting fixture 1 of the present embodiment, at least one first rib 511 among the plurality of first ribs 511 of the first mounting portion 51 is a screw hole penetrating from the outer peripheral surface of the mounting member 5 in the radial direction of the mounting member 5. It is preferable to have 541.

  If the lighting fixture 1 of this embodiment is comprised as mentioned above, the radial movement of the attachment member 5 can be controlled.

DESCRIPTION OF SYMBOLS 1 Lighting fixture 10 Pole 10a 1st pole 10b 2nd pole 10c 3rd pole 101 Mounted part 101a 1st mounted part 101b 2nd mounted part 101c 3rd mounted part 102a Upper end surface (tip)
102b Upper end surface (tip)
102c Upper end surface (tip)
3 Instrument body 5 Mounting member 501 Lower end surface (end surface)
51 1st attachment part 511 1st rib 511a 1st rib 511b 1st rib 513 1st contact surface 52 2nd attachment part 521 2nd rib 521a 2nd rib 521b 2nd rib 523 2nd contact surface 53 3rd attachment Portion 531 Third rib 531a Third rib 531b Third rib 533 Third contact surface 541 Screw hole

Claims (5)

It has an instrument body that can be attached to the cylindrical attached part of each of the multiple types of poles,
The instrument body has a cylindrical mounting member with an open end surface,
The attachment member has at least a first attachment portion and a second attachment portion,
The first mounting portion accommodates the mounted portion of the first pole having the largest width of the mounted portion among the plurality of types of poles, and the first mounting portion of the mounted portion of the first pole. A first abutting surface that contacts the tip;
The second attachment portion accommodates the attachment portion of the second pole having the smallest width dimension of the attachment portion among the plurality of types of poles, and the attachment portion of the second pole. A second abutting surface that contacts the tip;
The mounting member is configured such that the first mounting portion is disposed near the end surface, and the second mounting portion is disposed behind the first mounting portion when viewed from the end surface. Lighting equipment to do. The attachment member further includes a third attachment portion,
The third mounting portion has a width dimension of the mounted portion smaller than a width dimension of the mounted portion of the first pole, and the mounted portion of the second pole among the plurality of types of poles. The third pole has a third abutting surface which accommodates the attached portion of the third pole larger than the width dimension of the third pole and further contacts the tip of the attached portion of the third pole;
The said attachment member is comprised so that the said 3rd attachment part may be arrange | positioned between the said 1st attachment part and the said 2nd attachment part seeing from the said end surface. Lighting fixtures. The first attachment portion has a plurality of first ribs that protrude from the inner peripheral surface of the attachment member toward the attached portion,
The second attachment portion has a plurality of second ribs protruding from the inner peripheral surface of the attachment member toward the attached portion,
At least one of the plurality of first ribs of the first mounting portion is configured to contact a side surface of the mounted portion of the first pole;
The at least one second rib among the plurality of second ribs of the second mounting portion is configured to contact a side surface of the mounted portion of the second pole. The lighting fixture as described in. The first attachment portion has a plurality of first ribs that protrude from the inner peripheral surface of the attachment member toward the attached portion,
The second attachment portion has a plurality of second ribs protruding from the inner peripheral surface of the attachment member toward the attached portion,
The third attachment portion has a plurality of third ribs protruding from the inner peripheral surface of the attachment member toward the attached portion,
At least one of the plurality of first ribs of the first mounting portion is configured to contact a side surface of the mounted portion of the first pole;
At least one second rib of the plurality of second ribs of the second mounting portion is configured to contact a side surface of the mounted portion of the second pole;
The at least one third rib among the plurality of third ribs of the third mounting portion is configured to contact a side surface of the mounted portion of the third pole. The lighting fixture as described in. The at least one first rib among the plurality of first ribs of the first mounting portion has a screw hole penetrating in a radial direction of the mounting member from an outer peripheral surface of the mounting member. Item 5. A lighting fixture according to item 3 or 4.

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