JP2021181688A - Pole structure - Google Patents

Abstract

To provide a pole structure allowing an electric outlet box for attaching an electric outlet unit to be easily assembled on a pole body and suppressing exposure of the electric outlet box from the pole body.SOLUTION: A lighting apparatus 10 having a pole structure is provided with a cylindrical pole body 20, an electric outlet box 70 on which an electric outlet unit 80 can be attached, and a fixture 60 received in the pole body 20. The pole body 20 comprises an opening 22 in a side surface. The fixture 60 comprises an attachment plate part 61 on which the electric outlet box 70 is attached. The electric outlet box 70 is inserted into the opening 22 and attached on the attachment plate part 61.SELECTED DRAWING: Figure 3

Description

The present invention relates to a pole structure.

Patent Document 1 discloses a wire lead-in column including a cylindrical pole body, an outlet unit having a flat mounting surface, and a mounting bracket for mounting the outlet unit to the pole body. The mounting bracket includes a first mounting portion for mounting the outlet unit and a second mounting portion whose mounting surface to the pole body is curved along the outer peripheral shape of the pole body.

Japanese Unexamined Patent Publication No. 2013-219979

According to this configuration, the mounting bracket must be mounted on the curved outer surface of the pole body, which causes a problem that the mounting work is difficult. Further, since the entire mounting bracket is exposed from the pole body, the space required for installing the wire lead-in column is increased by the thickness of the mounting bracket.

Therefore, the present invention has been made in view of the above problems, and the outlet box for attaching the outlet unit can be easily assembled to the pole body, and the pole structure suppresses the exposure of the outlet box from the pole body. The purpose is to provide.

The pole structure of the present invention is
Cylindrical pole body and
An outlet box to which an outlet unit can be attached and
A mounting tool housed in the pole body is provided.
The pole body has an opening on the side surface and has an opening.
The fixture has a mounting portion to which the outlet box is mounted.
The outlet box is inserted into the opening and attached to the mounting portion.

In the above pole structure
The mounting portion has a plate-shaped mounting plate portion and has a plate-shaped mounting plate portion.
The pole body may have a guide portion on the inner side surface that guides the mounting plate portion to a predetermined position by moving the mounting plate portion along the axial direction.

In the above pole structure
A holder that can be attached to one end of the pole body is provided.
The holder may hold one end side of the mounting plate portion.

In the above pole structure
The mounting plate portion
A partition wall that partitions the space inside the pole body along the axial direction,
The guided part guided by the guide part and the guided part
It may have a box mounting portion extending from the partition wall portion and to which the outlet box is mounted.

In the above pole structure
The box mounting portion may be formed so as to project from the partition wall portion toward the opening portion.

In the above pole structure
The mounting plate portion may be formed by bending one plate member.

According to the pole structure of the present invention, the outlet box for attaching the outlet unit can be easily attached to the pole body, and the exposure of the outlet box from the pole body can be suppressed.

It is a front view of the lighting fixture of one embodiment. FIG. 1 is an enlarged cross-sectional view taken along the line AA of FIG. FIG. 3 is an upper exploded perspective view of a part of the lighting fixture of FIG. 1. It is a lower perspective view of FIG. It is a front view which shows the state which assembled the component of FIG. It is a lower perspective view of a mounting plate part.

In the present embodiment, the lighting fixture 10 having the pole structure of the present invention will be described as an example. The luminaire 10 is a pole-type luminaire installed outdoors on the ground G, and is a so-called pole lamp. In the following description, as shown in FIG. 1, each direction is defined with reference to the luminaire 10 in use, and the direction of each component is also based on the state of being assembled to the luminaire 10 in use. .. Specifically, the left and right sides in FIG. 1 are the left and right sides of the luminaire 10, the upper and lower sides in FIG. 1 are the upper and lower sides of the luminaire 10, and the front side of the paper in FIG. 1 is the front side of the luminaire 10. The front side) and the back side of the paper surface in FIG. 1 are defined as the rear side (rear side) of the lighting fixture 10. The vertical direction is an example of the axial direction.

1 is a front view of the luminaire 10, FIG. 2 is an enlarged cross-sectional view taken along the line AA of FIG. 1, and FIG. 3 is an upper exploded perspective view of a part of the luminaire of FIG. 4 is a lower perspective view of FIG. 3, FIG. 5 is a front view showing a state in which the parts of FIG. 3 are assembled, and FIG. 6 is a lower perspective view of a mounting plate portion.

As shown in FIGS. 1 to 5, the lighting fixture 10 includes a pole body 20, an extension pole 30, a lighting unit 40, a holder 50, a fixture 60, an outlet box 70, and an outlet unit 80. .. The pole structure is composed of at least a pole body 20, an outlet box 70, and a fixture 60.

As shown in FIG. 2, the pole body 20 is a member that supports the lighting unit 40, the holder 50, the fixture 60, the outlet box 70, and the outlet unit 80. The pole body 20 has a tubular portion 21, an opening portion 22, and a guide portion 23.

The tubular portion 21 is a cylindrical member having a diameter and a length capable of accommodating a part of the lighting unit 40, a holder 50, a fixture 60, and a part of an outlet box 70. The tubular portion 21 is designed in consideration of durability that can support the lighting unit 40, the holder 50, the fixture 60, the outlet box 70, and the outlet unit 80, and the weather resistance that can be installed outdoors. The material constituting the tubular portion 21 may be, for example, a metal material such as aluminum or an aluminum alloy, an iron or an iron alloy, a resin material, or a combination thereof.

As shown in FIGS. 3 and 4, the opening 22 is a notch of a front view rectangle formed on the front side of the tubular portion 21. The opening 22 is formed in a size that allows the outlet box 70 to fit.

The guide portion 23 is a member provided on the inner side surface of the tubular portion 21 and guides the mounting plate portion 61 of the mounting tool 60, which will be described later, to a predetermined position by moving the mounting plate portion 61 in the vertical direction in the axial direction. The predetermined position is a position where the mounting plate portion 61 faces the opening 22. The guide portion 23 is provided so as to face the left side and the right side on the inner side surface of the cylinder portion 21, and is composed of a pair of groove portions extending in the vertical direction from the upper end portion to the lower end portion of the cylinder portion 21. The groove portion is formed to have a width in which the mounting plate portion 61 fits. The guide portion 23 only needs to be able to move the mounting plate portion 61 along the axial direction to guide the mounting plate portion 61 to a predetermined position. For example, when the mounting plate portion 61 is provided with a groove, the guide portion 23 can be engaged with the groove and guided. It can be a ridge.

As shown in FIGS. 1 and 2, the extension pole 30 is a member provided below the pole body 20. The length of the extension pole 30 in the vertical direction can be appropriately designed according to the usage environment in consideration of the portion embedded in the ground. The extension pole 30 has a tubular portion 31 and a ring 32.

The tubular portion 31 is a cylindrical member made of the same material as the pole body 20 and having the same diameter. Two holes 33 are formed at positions facing each other on the front surface side and the back surface side near the lower end portion of the tubular portion 31. The hole 33 is a hole through which the wiring 81 (see FIG. 2) of the lighting unit 40 and the outlet unit 80 is inserted. The hole 33 is provided so as to be located below the ground G when the lighting fixture 10 is installed. As a result, the wiring coming out of the hole 33 can be buried in the ground, and the wiring around the lighting fixture 10 can be hidden.

The ring 32 is a member for connecting the pole body 20 and the extension pole 30. The ring 32 is an annular member provided at the upper end of the tubular portion 31, and is locked to the holder 50 by screwing.

The shape of the pole body 20 and the extension pole 30 may be cylindrical, and may be, for example, a square cylinder. Further, it may have a tapered shape in the upward direction or the downward direction.

The lighting unit 40 includes a light source unit 41, a holder 42, a glove 43, and a cover 44. The light source unit 41 is a member housed in the pole main body 20 and emits light upward. The light source unit 41 includes a light source holding unit 411, a socket 412, and an LED (Light Emitting Diode) bulb 413 as a light source. The light source holding portion 411 is a member that holds the socket 412, and is suspended by being screwed to the lower end portion of the holder 42.

Wiring 414 (shown by a two-dot chain line in FIG. 2) connected to an external power supply is connected to the socket 412. The LED bulb 413 is screwed into the socket 412 and fixed upward so that the upper end portion protrudes from the holder 42. As a result, a current is supplied from the external power source to the LED bulb 413, and the LED bulb 413 emits light upward.

In this embodiment, the LED bulb 413 is used as the light source, but the type of the light source is not particularly limited, and another light source may be used. For example, a light emitting module equipped with a surface mount type, chip-on-board type LED element, organic EL element, or the like may be used.

The holder 42 is a member that holds the light source unit 41 and the glove 43. The holder 42 is an annular member provided at the upper end of the cylinder 21, and is fitted into the upper end of the cylinder 21. The glove 43 is a bottomed cylindrical member screwed onto the upper part of the holder 42 and emits light to the surroundings. A translucent material is used for the glove 43, for example, a transparent or milky white resin is used.

The cover 44 is a member that covers the periphery of the glove 43 and emits the light emitted from the glove 43 forward. The cover 50 has an opening 441 on the front side. The light emitted from the glove 43 is emitted forward through the opening 441.

The holder 50 is a member that is attached to one end side of the pole body 20 and holds one end side of the mounting plate portion 61. The holder 50 is also a member for attaching the ring 32. In the present embodiment, the holder 50 is an annular member that is screwed to the lower end portion of the tubular portion 21 and holds the lower end portion of the mounting plate portion 61.

The upper surface of the outer edge portion 51 of the holder 50 comes into contact with the lower end portion of the tubular portion 21, so that the holder 50 is positioned with respect to the pole body 20. As a result, the mounting plate portion 61 held by the holder 50 is positioned at a position facing the opening 22 which is a predetermined position.

The fixture 60 is a member that supports the outlet box 70. The fixture 60 is housed in the pole body 20. As a result, the mounting tool 60 can be easily assembled to the pole body 20 as compared with the case where the mounting bracket is mounted on the curved outer surface of the pole body as in the conventional case.

The fixture 60 has a mounting portion to which the outlet box 70 is mounted. The form of the mounting portion is not particularly limited, and may be, for example, a plate shape, a rod shape, a tubular shape, or the like. In the present embodiment, the mounting portion is a mounting plate portion 61 composed of one sheet metal. It is a plate-shaped mounting plate portion 61, and is formed by bending one plate member. Thereby, the mounting plate portion 61 can be easily manufactured. Further, for pole bodies having different diameters, it is only necessary to change the design of the mounting plate portion 61, and the outlet box 70 can be shared.

As the material constituting the mounting plate portion 61, for example, a metal material such as aluminum, an aluminum alloy, iron, or an iron alloy can be used. The mounting plate portion 61 may be made of resin or the like. Further, one plate member may be formed by bending, or a plurality of plate members may be combined to form the plate member.

As shown in FIG. 6, the mounting plate portion 61 has a partition wall portion 62, a guided portion 63, a box mounting portion 64, and a holder mounting portion 65. The partition wall portion 62 is a rectangular portion that partitions the space inside the pole body 20 along the vertical direction, which is the axial direction. As shown in FIG. 2, the partition wall portion 62 divides the inside of the tubular portion 21 into a front side space and a rear side space. Therefore, by passing the wiring 414 of the lighting unit 40 through the rear space and the wiring 81 of the outlet unit 80 through the front space, the wiring 414 of the lighting unit 40 becomes an obstacle when the outlet box 70 and the outlet unit 80 are attached. It doesn't become.

The guided portion 63 is a portion guided by the guide portion 23 of the pole main body 20. The guided portion 63 is a rectangular portion extending in the left-right direction from the partition wall portion 62. As shown in FIGS. 3 and 4, by moving the fixture 60 from the lower side to the upper side with respect to the pole body 20, the left and right tip portions of the guided portion 63 are fitted into the grooves of the guided portion 23 and guided. The unit 63 is guided along the guide unit 23.

The box mounting portion 64 extends from the partition wall portion 62 and is a portion to which the outlet box 70 is mounted. In the present embodiment, four box mounting portions 64 are provided, and each of them is formed so as to project forward from the partition wall portion 62 toward the opening portion 22. Specifically, four box mounting portions 64 are provided at the left and right ends of the partition wall portion 62 above and below the guided portion 63. Each box mounting portion 64 is formed by bending forward at a substantially right angle from the left and right end portions of the partition wall portion 62, and further bending at a substantially right angle to the left and right outside. The box mounting portion 64 is formed with a screw hole 641 for screwing the outlet box 70.

By forming the box mounting portion 64 so as to project forward from the partition wall portion 62, as shown in FIG. 2, a space for passing the wiring 81 of the outlet unit 80 is secured between the partition wall portion 62 and the outlet box 70. be able to. Further, since the position of the box mounting portion 64 in the pole main body 20 can be arranged closer to the opening 22 side, the mounting work of the outlet box 70 can be easily performed, and the outlet box 70 can be miniaturized. Further, since the gap between the back surface 64A of the box mounting portion 64 (see FIG. 4) and the cylinder portion 21 becomes large, the screw for mounting the outlet box 70 protruding to the back side of the box mounting portion 64 does not easily interfere with the cylinder portion 21. Become.

As shown in FIG. 6, the holder mounting portion 65 is a portion extending from the partition wall portion 62 and mounted on the holder 50. In the present embodiment, the holder mounting portion 65 is a substantially U-shaped portion that bends rearward at a substantially right angle from the lower end portion of the partition wall portion 62. The holder mounting portion 65 is formed with two screw holes 651 for screwing to the holder 50 and two screw holes 652 for screwing to the wiring support portion 66 described later.

As shown in FIGS. 2 to 4, the fixture 60 has a wiring support portion 66 that supports the wiring 414 of the lighting unit 40. The wiring support portion 66 has a support plate portion 661 and two binding bands 662. The support plate portion 661 is a sheet metal member bent into a substantially L shape, and is screwed into the screw hole 652 of the holder mounting portion 65. The support plate portion 661 is arranged so as to extend downward substantially flush with the partition wall portion 62. The binding band 662 is attached to the back surface of the support plate portion 661, and bundles and supports the wiring 414 of the lighting unit 40. The cable tie 662 functions as a tension stopper when pulled downward with respect to the wiring 414.

As shown in FIGS. 2 to 5, the outlet box 70 is inserted into the opening 22 of the pole body 20 and attached to the box mounting portion 64 of the mounting plate portion 61. A rectangular packing 67 and a metal fitting 68 are sandwiched between the outlet box 70 and the box mounting portion 64 in order from the front side. The packing 67 and the metal fitting 67 cover a part of the rear surface side of the outlet box 70 and are formed to have a length smaller than the length dimension of the outlet box 70. When the outlet box 70 is attached to the mounting plate portion 61, a part of the lower side of the rear surface of the outlet box 70 is open. Since a part of the rear surface of the outlet box 70 is open, the wiring 81 of the outlet unit 80 can be easily passed through the extension pole 30, and the installation work of the outlet unit 80 is easy. The packing 67 and the metal fitting 68 can be attached to the box mounting portion 64 of the mounting plate portion 61. The packing 67 and the metal fitting 68 form a mounting surface between the box mounting portion 64 and the outlet box 70, and suppress the wobbling of the outlet box 70. Further, the packing 67 and the metal fitting 68 are configured to improve the waterproofness in the outlet box 70. However, the packing 67 and the metal fitting 68 are not essential configurations.

The outlet box 70 is a substantially rectangular parallelepiped box body, and has openings on the front surface, the back surface, and the bottom surface. Two screw holes 71 for screwing the outlet unit 80 are formed on the front surface of the outlet box 70. On the back surface of the outlet box 70, four screw holes 72 for screwing to the box mounting portion 64 are formed.

As shown in FIG. 2, most of the outlet box 70 is housed in the pole body 20 by inserting and attaching it to the opening 22. As a result, the exposure of the outlet box 70 from the pole body 20 can be suppressed, and the dimensions of the lighting fixture 10 in the front-rear direction can be reduced, so that the space required for installing the lighting fixture 10 is reduced.

The outlet unit 80 is a box body having an outlet (not shown) used by connecting a plug of an electric device. The outlet unit 80 is screwed to the front surface of the outlet box 70. A wiring 81 (shown by a two-dot chain line in FIG. 2) connected to an external power source is connected to the outlet. The wiring 81 is taken out from the hole 33 through the outlet box 70, the cylinder portion 21, the holder 50, the ring 32, and the cylinder portion 31.

The assembly procedure until the outlet unit 80 is attached will be described with reference to FIGS. 3 to 5. First, by moving the fixture 60 upward from below the pole body 20, the left and right tip portions of the guided portion 63 are fitted into the grooves of the guide portion 23. Next, the guided portion 63 is moved upward along the guide portion 23, the upper surface of the outer edge portion 51 of the holder 50 is brought into contact with the lower end portion of the tubular portion 21 of the pole main body 20, and the pole main body 20 and the holder 50 are brought into contact with each other. To screw. As a result, the mounting plate portion 61 is positioned at a position facing the opening 22.

Next, the outlet box 70 is inserted into the opening 22 from the front, and as shown in FIG. 5, the outlet box 70 is screwed from the front into the screw hole 641 of the box mounting portion 64 through the four screw holes 72 of the outlet box 70. At this time, since the screw hole 71 and the screw hole 72 of the outlet box 70 are provided at different positions when viewed from the front, the screw hole 71 does not get in the way when screwing to the screw hole 72. Next, the outlet unit 80 is screwed to the front surface of the outlet box 70.

In this way, the fixture 60, the outlet box 70, and the outlet unit 80 can be easily assembled. In particular, the fixture 60 can be easily assembled by inserting it into the pole body 20 along the guide portion of the pole body 20.

According to the pole structure according to the present embodiment described above, it has a cylindrical pole body 20, an outlet box 70 to which the outlet unit 80 can be attached, and a fixture 60 housed in the pole body 20. The fixture 60 has a mounting portion to which the outlet box 70 is mounted. The outlet box 70 is inserted into the opening 21 provided on the side surface of the pole body 20 and attached to the mounting portion. As a result, the outlet box 70 to which the outlet unit 80 can be attached can be easily assembled to the pole body 20. Further, since the outlet box 70 is inserted into the opening 21 of the pole body 20 and attached to the mounting portion, the portion exposed from the pole body 20 can be reduced. Further, a part of the outlet box 70 is embedded inside the pole body 20, and the fixed portion with the mounting portion inside the pole body 20 is not exposed. Therefore, the outlet box 70 is unlikely to fall off even if it receives an impact from the outside of the pole body 20.

According to the pole structure according to the present embodiment, the mounting portion has a plate-shaped mounting plate portion 61. The pole body 20 has a guide portion 23 on the inner side surface thereof that guides the mounting plate portion 61 to a predetermined position by moving the mounting plate portion 61 along the axial direction. As a result, the mounting portion can be easily arranged at a predetermined position in the space inside the pole body 20.

According to the pole structure according to the present embodiment, the holder 50 is provided to be attached to one end side of the pole body 20, and the holder holds one end side of the attachment portion. As a result, the mounting portion can be easily arranged at a predetermined position in the space inside the pole body 20.

According to the pole structure according to the present embodiment, the mounting plate portion 61 includes a partition wall portion 62 that partitions the space inside the pole body 20 along the axial direction, a guided portion 63 guided by the guide portion 23, and a partition wall. It has a box mounting portion 64 extending from the portion 62 and to which the outlet box 70 is mounted. As a result, the space inside the pole body 20 can be easily partitioned. Therefore, even when a member such as the lighting unit 40 is attached to the pole body 20, the space through which the wiring 81 of the outlet unit 80 is inserted and the space through which the wiring 414 of the lighting unit 40 is inserted can be easily separated. Since it is partitioned from the space through which the wiring 414 of the lighting unit 40 is inserted, the wiring 414 does not interfere easily and the installation work of the outlet unit 80 is easy.

According to the pole structure according to the present embodiment, the box mounting portion 64 is formed so as to project from the partition wall portion 62 toward the opening portion 22. As a result, the mounting position of the box mounting portion 64 and the outlet box 70 in the pole body 20 can be arranged on the opening 22 side, so that the mounting work of the outlet box 70 becomes easy. In addition, the increase in size of the outlet box 70 is suppressed.

According to the pole structure according to the present embodiment, the mounting plate portion 61 is formed by bending one plate member. Therefore, the mounting plate portion 61 can be easily manufactured and the productivity is high. Further, even when the pole body 21 is changed from a cylindrical shape to a square cylinder shape or the diameter size is changed, the outlet box 70 can be made common by changing only the mounting plate portion 61.

10 Lighting equipment 20 Pole body 22 Opening 23 Guide part 50 Holder 60 Mounting tool 61 Mounting plate part (Mounting part)
62 Bulkhead 63 Guided 64 Box mounting 70 Outlet box 80 Outlet unit

Claims (6)

Cylindrical pole body and
An outlet box to which an outlet unit can be attached and
A mounting tool housed in the pole body is provided.
The pole body has an opening on the side surface and has an opening.
The fixture has a mounting portion to which the outlet box is mounted.
The outlet box has a pole structure that is inserted into the opening and attached to the mounting portion. The mounting portion has a plate-shaped mounting plate portion and has a plate-shaped mounting plate portion.
The pole structure according to claim 1, wherein the pole body has a guide portion on an inner side surface that guides the mounting plate portion to a predetermined position by moving the mounting plate portion along an axial direction. A holder that can be attached to one end of the pole body is provided.
The pole structure according to claim 1 or 2, wherein the holder holds one end side of the mounting portion. The mounting plate portion
A partition wall that partitions the space inside the pole body along the axial direction,
The guided part guided by the guide part and the guided part
The pole structure according to claim 2, further comprising a box mounting portion extending from the partition wall portion and to which the outlet box is mounted. The pole structure according to claim 4, wherein the box mounting portion is formed so as to project from the partition wall portion toward the opening portion. The pole structure according to claim 2, wherein the mounting plate portion is formed by bending one plate member.

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