JP3120843U - Fall prevention structure for road lighting and fall prevention tool used therefor - Google Patents

Abstract

Provided are a road lighting lamp fall prevention structure and a fall prevention tool used therefor, which can prevent a lighting fixture from falling and can be applied without requiring additional processing.
SOLUTION: The structure of a road illumination lamp according to the present invention includes a support column 40, a lighting fixture 20 attached to the tip of the support column 40, a connection pipe 30 for connecting the support column 40 and the lighting fixture 20, and a connection pipe. The perforated disk 11 has a diameter larger than the inner diameter of the support column 40 and is placed on the inner diameter portion of the support column 40. The fall prevention tool 10 includes an 11 wire 13a connected to the perforated disk. Even if the luminaire 20 is broken at the cutting line BB, the perforated disk 11 is stopped by the connecting pipe 30 and the luminaire 20 can be prevented from falling. Moreover, since the fall prevention tool 10 can be incorporated only by fixing the fixing ring 15a at the tip to the screw receiving portion 25 with the bolt 24, the present invention can be applied without additional processing to the existing road illumination lamp.
[Selection] Figure 1

Description

  The present invention relates to a road lighting lamp fall prevention structure and a fall prevention tool used therefor. In particular, the present invention relates to a road lighting lamp fall prevention structure that uses a wire having a perforated disk when a lighting fixture is about to fall due to road vibration or the like, and a fall prevention tool used therefor.

  Currently, as shown in FIG. 4, road illumination lights for illuminating the road at night are installed on ordinary roads and highways. In these road illumination lamps, the lighting fixture 20 is generally attached to the tip of the support column 40.

  Conventionally, the road lighting apparatus as shown in FIG. 4 connects the column 40 and the lighting apparatus 20 by the vibration of the column 40 caused by the shaking of the ground generated when the automobile passes or the vibration of the column 40 caused by an earthquake or the like. When the screw etc. of the connection part which has been loosened, or the housing | casing of the lighting fixture 20 cracks, the accident that the lighting fixture 20 falls from the support | pillar 40 occurs frequently, and has become a big problem.

  FIG. 5 is a diagram illustrating a state where the lighting fixture 20 falls from the support column 40. As shown in FIG. 5, when the connection between the support column 40 and the lighting fixture 20 is disconnected and the lighting fixture 20 falls, or when the housing of the lighting fixture 20 breaks from the middle and the tip of the lighting fixture 20 falls, There was a risk of harm to passers-by and vehicles.

  Conventionally, as shown in FIGS. 6 and 7, a road lighting lamp fall prevention structure and a fall prevention tool used therefor have been proposed.

  6 and FIG. 7, the conventional structure for preventing the fall of a road lighting lamp includes a column 40, a connection pipe 30 welded to the column 40, a rod 26 welded in the connection pipe 30, and a lighting fixture 20. The screw receiving portion 23 fixed inside the lighting fixture 20, the pressing plate 22 used for fixing the lighting fixture 20 to the connection tube 30, the bolt 21 fixing the pressing plate 22, and the inside of the lighting fixture 20 It is comprised from the screw | thread receiving part 25 fastened to and the volt | bolt 24 (patent document 1).

  The conventional road lighting lamp fall prevention structure further includes a wire 13b having a fixed ring 15b at the tip and a ring 14b at the end. The end of the wire 13b is hung on the rod 26, and the wire 13b is wound around the rod 26 by passing the fixing ring 15b through the ring 14b. The wire 13b is connected to the luminaire 20 by fixing the tip of the wire 13b to the screw receiving portion 25 with a bolt 24. Thus, in the conventional fall prevention structure for road lighting, the lighting fixture 20 and the connecting pipe 30 are always connected by the rod 26 and the wire 13b.

Therefore, even if the bolt 21 is loosened and the luminaire 20 is detached from the support column 40 or the housing of the luminaire 20 is broken from the cutting line BB, the rod 26 and the wire 13b cause the luminaire 20 to Falling can be prevented.
Japanese Utility Model Sho 62-169411

  However, in the structure for preventing the fall of a road illumination lamp as disclosed in Patent Document 1, the rod 26 may be pulled by the wire 13b and the lighting fixture 20 may be broken. As a result, the lighting fixture 20 falls.

Moreover, in the conventional road lighting lamp fall prevention structure as shown in Patent Document 1, it is necessary to incorporate the rod 26 into the connection pipe 30 in advance. However, existing road lighting that has been installed for more than 20 years may not have a structure for preventing the road lighting from falling.
In order to apply to such an existing road lighting lamp, in the conventional structure for preventing the fall of the road lighting lamp, a rod is newly provided inside the connecting pipe 30 that connects the column 40 of the existing road lighting lamp and the lighting fixture 20. Additional processing is required to incorporate 26 by welding or the like, resulting in a large construction.

  Therefore, in view of the above-described problems, the present invention can prevent the lighting device 20 from falling and can further withstand the weight of the lighting device 20. The purpose is to provide.

  It is another object of the present invention to provide a road lighting lamp fall prevention structure that can be easily applied to existing road lighting equipment without requiring additional processing.

In order to solve the above-described problems, a road lighting lamp fall prevention structure according to the first aspect of the present invention includes a column having a hollow tip, a lighting fixture attached to the tip of the column, and One end of the outer diameter portion is fixed to the inner diameter portion of the support column, and the other end is fixed to the housing of the lighting device by a pressing plate, and is used for connecting the support column and the lighting device. A screw receiving portion fixed to the side plate of the lighting fixture, a perforated disc having a diameter larger than the inner diameter of the connection tube and placed on the inner diameter portion of the support column, and connected to the perforated disc The wire connected to the perforated disc is preferably connected to the perforated disc from the inner diameter portion of the support column. Penetrating through the connecting tube, the tip of the lighting fixture at the tip A fixing ring that is fixed to the screw receiving portion provided by the bolt is provided.

  The fall prevention device according to the second aspect of the present invention includes a perforated disk placed on an inner diameter portion of a support column, a terminal end connected to a hole in the perforated disk, and a tip of the casing of the lighting fixture. And a wire having a fixing ring fixed by a bolt to a screw receiving portion provided in the housing.

  Preferably, the end of the wire is formed in a ring shape so that the tip of the wire can pass through the hole of the perforated disk after passing through the hole.

  Preferably, the wire is covered with a covering material.

  According to the fall prevention structure for a road lamp according to the first device, since the diameter of the perforated disk is larger than the inner diameter of the connection pipe, the perforated disk does not pass through the connection pipe. Therefore, even if the connection between the support column and the luminaire is disconnected or the tip of the luminaire is broken, the perforated disk is stopped at the entrance of the connection tube, and the luminaire can be prevented from falling.

  In the first device, the rod used in the prior art becomes a perforated disk, so that the strength is increased and the weight of the lighting fixture can be withstood.

  According to the fall prevention device according to the second device, the fall prevention device has a perforated disk placed on the inner diameter portion of the support column, a distal end connected to the hole in the perforated disk, and a tip of the lighting apparatus. Since it is composed of a wire having a fixing ring fixed to a screw receiving portion provided in the housing with a bolt, it can be incorporated by simply fixing the fixing ring to the screw receiving portion fixed to the lighting fixture with a bolt. . Therefore, in the existing road lighting device, if the screw receiving portion is fixed inside the lighting device, the present invention can be easily applied to the existing road lighting device without any additional processing.

  According to the road lighting lamp fall prevention device according to the second device, the wire and the perforated disk are covered with a covering material such as vinyl, and the noise caused by the wire coming into contact with the inner wall of the column or the connecting pipe. Can be prevented.

Embodiment.
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing the structure of a column and a lighting fixture in the present invention, and FIG. 2 is a side view showing the structure of the column and the lighting fixture in the present invention. FIG. 3 (A) is a perspective view showing the entire fall prevention device of the present invention, and FIG. 3 (B) is a cross-sectional view taken along the line AA of the wire of the fall prevention device of the present invention. is there.

  As shown in FIG. 1, the structure of the road illuminating lamp according to the present invention includes a column 40 having a hollow tip, a lighting fixture 20 attached to the tip of the column 40, and one end of the outer diameter portion of the column 40. The other end of the lighting fixture 20 is fixed to the casing 27 of the lighting fixture 20 by a pressing plate, and the connection tube 30 used to connect the support column 40 and the lighting fixture 20 The screw receiving portion 23 fixed to the housing 27, the perforated disk 11 having a diameter larger than the inner diameter of the connection pipe 30 and placed on the inner diameter portion of the support column 40, and the perforated disk 11 connected to the perforated disk 11 The tip of the wire 13a is comprised from the fall prevention tool 10 connected to the housing | casing 27 of the lighting fixture 20. FIG.

  As shown in FIG. 1, the illuminating unit 20 is fixed to the support column 40 by placing a pressing plate 22 on a connection tube 30 welded to the support column 40 and tightening the screw receiving unit 23 with a bolt 21. The fall prevention device 10 is placed so that the perforated disk 11 hangs down inside the support column 40, and the wire 13a connected to the perforated disk 11 passes through the inside of the connection tube 30 and is fixed to the fixing ring 15a at the tip of the wire 13a. Is fixed to the housing 27 of the illuminating unit 20 by tightening the screw receiving unit 25 with a bolt 24 via a washer (not shown).

  The diameter 16 of the perforated disk 11 of the fall prevention device 10 may be larger than the inner diameter 31 of the connection portion 30. As a result, the perforated disk does not fall through the connecting tube 30 even if the lighting device 20 is detached from the connecting tube 30, so that the lighting device 20 does not fall.

  The fixing ring 15 a may be fixed to a screw receiving portion provided at a location other than the screw receiving portion 25 as long as the fixing ring 15 a is fixed to the housing of the lighting fixture 20. In addition to the method of connecting the wire 13a and the housing 27 of the lighting fixture 20, the wire 13a is provided somewhere in the housing of the lighting fixture 20 in addition to fastening the fixing ring 15a to the screw receiving portion 25 with the bolt 24. It may be connected by being tied to a hole or welded to a housing.

  As described above, according to the fall prevention structure for a road lighting apparatus according to the present invention, for example, even when the lighting apparatus 20 is broken at the cutting line BB, the diameter 16 of the perforated disk 11 is equal to the connecting pipe. Since it is larger than the internal diameter 31 of 30, the perforated disc 11 cannot pass through the connecting tube 30, and the lighting fixture 21 can be prevented from falling.

  Further, the fall prevention device 10 can be incorporated simply by passing the wire 13a through the connection tube 30 and tightening the fixing ring 15a at the distal end to the screw receiving portion 25 fixed to the housing 27 of the lighting fixture 20 with the bolt 24. Therefore, any conventional luminaire having any structure can be easily incorporated as long as the column and the luminaire are connected by the connecting pipe.

  As shown in FIG. 3 (A), the fall prevention device 10 includes a perforated disk 11 having a hole 12, a ring 14a at the end, and a wire 13a having a fixing ring 15a at the tip. Moreover, in the fall prevention tool 10, the wire 13a and the perforated disc 11 are connected by passing the ring 14a through the hole 12 of the perforated disc 11 and passing the fixing ring 15a through the ring 14a. As a method for connecting the wire 13a and the perforated disc 11, the wire 13a may be bound to the perforated disc 11 in addition to the connection method.

  Further, the tip of the fall prevention device 10 may be wound around a hole opened in the housing in addition to fixing the fixing ring 15a to the screw receiving portion 25 with a bolt 24.

  The perforated disk 11 may be an ellipse, a quadrangle, a hexagon, an octagon, or the like, as long as it is larger than the inner diameter 31 of the connection tube 22. Further, the thickness of the perforated disk 11 is preferably about 4.5 mm, but any thickness other than that may be used as long as the necessary strength can be obtained. The hole 12 only needs to have a size that allows the wire 13a to pass therethrough, and the shape may be a quadrangle, an ellipse, a hexagon, an octagon, or the like. In addition, the position of the hole 12 is preferably about 10 mm from the outer periphery, but may be a distance at which necessary strength can be obtained even if the distance from the periphery is other than that.

  As shown in FIG. 3B, the wire 13 a and the perforated disk 11 may be coated with a covering material 17. As a result, noise generated when the perforated disk 11 contacts the inner wall of the support column 40 or the wire 13a contacts the inner wall of the connecting pipe 30 can be prevented. The covering material 17 may be vinyl, plastic, rubber, or the like, and may be any material that can reduce sound caused by collision with the support column 40 and the inner wall of the connection pipe 30.

  The present invention is not limited to the above-described embodiments, and various modifications and applications can be made without departing from the gist of the present invention.

  INDUSTRIAL APPLICABILITY The present invention can be used as a road lighting lamp fall prevention structure and a fall prevention tool used therefor.

It is a perspective view which shows the connection structure of the support | pillar and lighting fixture in this invention. It is a side view which shows the connection structure of the support | pillar and lighting fixture in this invention. (A) It is a perspective view which shows the whole fall prevention tool of this invention. (B) It is sectional drawing when the wire of the fall prevention tool of this invention is cut | disconnected by the AA line. It is a figure which shows a general road illumination light. It is a figure which shows the condition where the lighting fixture of a road illumination light falls from a support | pillar. It is a perspective view which shows the connection structure of the support | pillar and lighting fixture of a prior art. It is a side view which shows the connection structure of the support | pillar and lighting fixture of a prior art.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Fall prevention tool 11 Perforated disc 12 Hole 13a Wire 14a Ring 15a Fixing ring 16 Perforated disc diameter 17 Coating | covering material 20 Lighting fixture 21 Bolt 22 Holding plate 23 Screw receiving part 24 Bolt 25 Screw receiving part 26 Rod 27 Illumination Appliance housing 30 Connecting tube 31 Connecting tube internal diameter 40 Strut AA Wire cutting line BB Lighting fixture cutting line

Claims (5)

A column with a hollow tip,
A lighting fixture attached to the tip of the column;
One end of the outer diameter portion is fixed to the inner diameter portion of the support column, and the other end is fixed to the casing of the lighting fixture by a pressing plate, and the connection is used to connect the support column and the lighting fixture. Tube,
A screw receiving portion fixed to the housing of the lighting fixture;
A perforated disk having a diameter larger than the inner diameter of the connecting pipe and placed on the inner diameter part of the support column, and a drop in which the tip of the wire connected to the perforated disk is connected to the housing of the lighting fixture Prevention tools,
A structure for preventing the fall of a road illumination lamp characterized by comprising:   The wire connected to the perforated disk passes through the connecting pipe from the inner diameter part of the support column, and a fixing ring fixed to the screw receiving part provided in the casing of the lighting fixture by a bolt at the tip thereof. The fall prevention structure of the road illumination light of Claim 1 provided. A perforated disk placed on the inner diameter of the column;
A fall prevention characterized by comprising: a wire having a fixing ring that is connected to a hole in the perforated disk and whose tip is fixed to a screw receiving portion provided on a housing of a lighting fixture with a bolt. Ingredients. 4. The drop according to claim 3, wherein the end of the wire is formed in a ring shape so that the tip of the wire can pass through the hole of the perforated disc after passing through the hole. Prevention tool. The fall prevention tool according to claim 4, wherein the wire and the perforated disk are covered with a covering material.

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