JP6196451B2 - Bird damage prevention tool - Google Patents

Description

  The present invention relates to a bird damage prevention tool for preventing wild birds such as crows and pigeons from stopping or nesting on an outdoor structure such as a utility pole.

Patent Documents 1 to 4 below show conventional bird harm prevention tools for preventing nests of wild birds such as crows and pigeons on outdoor structures such as utility poles.
The bird harm prevention tool shown in Patent Document 1 has a structure in which a plurality of rod-shaped portions for preventing nesting are integrally formed on the outer periphery of a support column supported upright so as to radially expand. For this reason, there is a problem that it is very bulky and inefficient to store or transport to the installation site in a packaging box, and the rod-shaped part is caused by external force applied during storage or transportation, or due to its own weight. Since it is easy to be permanently deformed by applying a load for a long time, the rod-shaped portion does not expand radially, and there is a possibility that the expected effect may not be exhibited.
Moreover, the bird harm prevention tool shown in Patent Document 2 has a large number of through-hole portions formed in the peripheral edge portion of the disk-shaped connecting member, and a large number of rod-shaped bodies are inserted into the through-hole portions. Are configured to be attached radially. However, in this structure, when a rod-shaped body is attached in advance at a factory, storage and transportation become a problem as in Patent Document 1, and when a rod-shaped body is attached at the site, a cliff or sloping ground with a poor footing, deep In places with poor working environment such as weeds, parts are easily lost or misplaced. Also, in a small shopping street or the like, the occupation of roads hinders business, and it takes a long time to work.

In addition, the bird damage prevention device shown in Patent Document 3 is provided with a large number of branch bars so as to be rotatable with respect to the support column, so that it can be folded in one direction during storage, transportation, etc. However, it takes a lot of work time at the site because it requires careful assembly, such as rotating and fitting the branch bars at the installation site and assembling so that many branch bars extend spirally from the column. In addition to the disadvantages, the branch rods are arranged in a spiral shape, so that there is a problem that a small wild bird easily enters the spiral gap.
Moreover, the bird harm prevention tool shown by patent document 4 is the structure arrange | positioned so that the some rod-shaped body made to bend freely in the curved part which consists of coil springs may be developed like a fountain. However, with this structure, there is a risk that the curved part will fatigue due to a long-term load, and if the rod-shaped body falls, it is made of metal and may cause a short circuit accident or personal injury due to contact between high voltages .

JP 2009-153443 A JP 2012-10675 A JP 2005-110571 A JP 2007-167043 A

  Therefore, the present invention aims to provide a bird damage prevention device having an epoch-making structure that can be folded compactly, is convenient for storage and transportation, and can be easily and quickly performed at the installation site. To do.

For this purpose, the bird harm prevention device according to the present invention has a rod-shaped column supported upright, an upper ring body and a lower ring body provided on the outer periphery of the rod-shaped column, and the upper ring body or the lower ring body opposed to each other. It is composed of a plurality of branch rods attached to the opposing surface so as to be radially expandable and contractable, and the upper ring body and the lower ring body are joined together, and each branch bar is interposed between the upper ring body and the lower ring body. Each branch bar is supported by being radially opened by being sandwiched between the two.
Further, the bird harm prevention device according to the present invention supports a rod-shaped column supported upright, an upper ring body and a lower ring body provided on the outer periphery of the rod-shaped column, and a base on the lower surface of the upper ring body. A plurality of branch rods attached so as to be radially expandable and contractable, and the upper ring body and the lower ring body are joined together, and each branch bar is interposed between the upper ring body and the lower ring body. The branch bars are supported by being radially opened by sandwiching them.
Further, the present invention is characterized in that in the above bird damage prevention device, the rod-shaped column is made of a synthetic resin in which a reinforcing core material is insert-molded at the inner center.
Further, the present invention is characterized in that, in the above bird damage prevention tool, a plurality of branch bars are integrally formed of a synthetic resin so as to be connected at a flexible connecting portion at a base portion.

  The bird harm prevention tool according to the present invention can be folded compactly by separating the upper ring body and the lower ring body, and is convenient for storage and transportation. Also, by attaching the upper ring body and the lower ring body at the installation site, each branch bar opens radially, so it is easy and safe to work in a short time even at high places on a power pole. Can do.

The front view of the bird harm prevention tool which concerns on this invention. The top view of the bird harm prevention tool which concerns on this invention. FIG. 3 is an enlarged sectional view taken along line AA in FIG. 2. The BB sectional expanded view of FIG. The front view at the time of folding of the bird damage prevention tool which concerns on this invention. The front view of the rod-shaped support | pillar of the bird harm prevention tool which concerns on this invention. The side view of the rod-shaped support | pillar of the bird harm prevention tool which concerns on this invention. The CC sectional view enlarged view of FIG. The perspective view of the branch stick of the bird harm prevention tool which concerns on this invention. The front view of the lower ring body of the bird harm prevention tool which concerns on this invention. The top view of the lower ring body of the bird harm prevention tool which concerns on this invention. The longitudinal cross-sectional view of the lower ring body of the bird harm prevention tool which concerns on this invention. The front view of the upper ring body of the bird harm prevention tool which concerns on this invention. The top view of the upper ring body of the bird harm prevention tool which concerns on this invention. The longitudinal cross-sectional view of the upper ring body of the bird harm prevention tool which concerns on this invention. The bottom view of the upper ring body of the bird harm prevention tool which concerns on this invention. The top view of the branch stick which shows other embodiment of this invention.

  First, the rod-shaped support shown in FIGS. 6 to 8 will be described. The rod-shaped column 1 is made of synthetic resin such as polyethylene in which a reinforcing core member 2 is insert-molded at the center of the inside thereof, and lattice-shaped irregularities are formed on the entire surface in order to make the thickness uniform. Reference numeral 3 denotes a flange portion formed at the lower portion of the rod-shaped support column 1, and 4 denotes a screw shaft portion. The reinforcing core material 2 is made of a bundle of many long glass fibers impregnated with a thermosetting resin such as an unsaturated polyester resin, and the outer periphery thereof is coated with a weather resistant resin to form a resin coating. It is. When the rod-shaped support column 1 is molded, the reinforcing core material 2 is placed in advance in a mold and insert molding is performed by injecting synthetic resin into the mold. A positioning member is set on the inner surface of the mold so that the reinforcing core material 2 is always located at the center in the molding die, and 5 is set at an appropriate interval to the rod-shaped support column 1 by setting the positioning member. The horizontal hole formed by is shown. Reference numeral 6 denotes a narrow diameter portion formed at two locations in the longitudinal direction of the rod-shaped column 1, and a flange 7 having an octagonal outer periphery is formed on the upper edge and the lower edge of each thin diameter portion 6. As shown in FIG. 1, the rod-shaped column 1 is formed by inserting the screw shaft portion 4 into the socket 8, further inserting the tip end portion of the screw shaft portion 4 into the mounting bracket 15, and screwing the nut 16. It is supported upright on a utility pole. A cap 17 is fitted to the upper end portion of the rod-shaped support 1.

The branch bar 10 shown in FIG. 9 is formed from a synthetic resin such as polyethylene, and a base 11 having a round cross-section axis orthogonal to a T-shape is integrally formed at one end of a quadrilateral cross-section. The
Next, the lower ring body 20 fitted on the outer periphery of the rod-shaped support 1 will be described with reference to FIGS. The lower ring body 20 is also integrally formed of a synthetic resin such as polyethylene, and a vertical hole 22 having an octagonal inner periphery is formed in the center of the disk-shaped portion 21 so that the rod-shaped support column 1 is inserted therethrough. A plurality of hook-like engagement pieces 23 project upward from the upper surface of the hook-shaped portion 21, and eight hook-shaped receiving portions 24 that open upward are formed at eight equiangular intervals on the upper surface of the outer periphery of the disk-shaped portion 21. A cylindrical portion 25 formed downward and extending downward is formed on the lower surface of the disk-shaped portion 21, and a screw 26 is screwed into the cylindrical portion 25. Each receiving portion 24 is formed to be inclined downward at an angle of about 40 degrees from the horizontal toward the outside. The inner periphery of the vertical hole 22 and the inner periphery of the cylindrical portion 25 are formed in an octagon that matches the outer periphery of the flange 7. Reference numeral 27 denotes a reinforcing rib on the upper surface of the disk-shaped portion 21.

  Next, the upper ring body 30 will be described with reference to FIGS. The upper ring body 30 is configured such that eight branch bars 10 are radially attached to the lower surface facing the lower ring body 20, and a circular vertical hole 32 into which the rod-shaped support column 1 is inserted in the center of a disk-shaped part 31. A plurality of hook-like engagement pieces 33 project downward from the outer peripheral edge of the disk-like part 31, and a hook-like attached part 34 whose lower side opens on the lower surface of the outer peripheral part of the disk-like part 31. Eight places are formed, and bearing portions 35 to which the base portion 11 of the branch bar 10 is rotatably fitted are formed at the inner end portions of the respective attachment portions 34. Therefore, by fitting the base portion 11 of the branch bar 10 to the bearing portion 35, the eight branch bars 10 are attached in a radial manner so that they can be expanded and contracted. Reference numeral 36 denotes an engagement hole formed in the disk-like portion 31 for engaging the hook-like engagement piece 23, and 37 denotes a reinforcing rib formed on the upper surface of the disk-like portion 31. In addition, each adherent part 34 is formed so as to be inclined downward at an angle of about 40 degrees toward the outside, like the receiving part 24.

  The lower ring body 20 is attached to the rod-shaped column 1 by aligning the vertical hole 22 with the flange 7 of the rod-shaped column 1 shown in FIGS. 6 to 8 and inserting the tip of the screw 26 into the small-diameter portion 6. It is fixed in advance. The narrow-diameter portion 6 is formed at two positions on the rod-shaped column 1 at a distance from each other, and a lower ring body 20 is fixed to each of them. The octagonal phase of the outer periphery of the flange 7 is shifted by 22.5 degrees in advance so that the mounting angle is 22.5 degrees different in the horizontal plane. This is to ensure that a large number of rod-shaped struts 1 are distributed as evenly as possible.

  On the other hand, the upper ring body 30 is supported above the lower ring bodies 20 in a state of being inserted into the rod-shaped support column 1, and as shown in FIG. 5, the branch bar 10 of each upper ring body 30 is hung downward. As a reduced state, it is packed, stored, or shipped from the factory. Thus, by setting the upper ring body 30 and the lower ring body 20 apart from each other, the branch bar 10 is folded and is not bulky and can be made compact. In addition, since the branch bars 10 are kept in a straight state in this folded state and need not be bent unnecessarily, the branch bars 10 can be prevented from being permanently deformed.

  Then, at the installation site, the upper ring body 30 is lowered with respect to the lower ring body 20, and as shown in FIG. The upper ring body 30 and the lower ring body 20 are bonded together by engaging the hook-shaped engagement piece 23 with the engagement hole 36. At this time, as shown in FIG. 3, each branch bar 10 is fitted in the receiving portion 24 and is sandwiched between the receiving portion 24 and the adherend portion 34. Accordingly, as shown in FIGS. 1 and 2, each branch bar 10 opens radially by about 40 degrees downward from the horizontal, and is sandwiched between the receiving portion 24 and the adherend portion 34 so that the radial shape is increased. The form of is firmly maintained. For this reason, by supporting the rod-shaped support column 1 upright on the necessary pole of the utility pole or building by the mounting bracket 15, invasion of wild birds such as pigeons and crows is prevented, and each branch rod 10 is inclined downward. It makes it difficult to build a nest without catching the wire and vegetation that the wild birds have carried.

In this embodiment, the branch bar 10 is attached to the upper ring body 30, but the branch bar 10 may be attached to the upper surface of the lower ring body 20. In short, if the branch bars 10 are attached to the opposing surfaces of the upper ring body 30 or the lower ring body 20 and the branch bars 10 are opened by their attachment, the operation at the installation site is facilitated.
Further, in this embodiment, from the viewpoint of high electrical insulation, the reinforcing core material 2 of the rod-shaped column 1 is coated with glass fiber, but other reinforcing materials such as reinforcing bars are used. Is also possible.
Moreover, in this embodiment, although the angle of the receiving part 24 and the to-be-adhered part 34 was made into the downward inclination about 40 degree | times, this angle can be suitably selected in the range of 20 degree | times-70 degree | times.
The socket 8 is provided as necessary to adjust the height of the branch bar 10.

  On the other hand, in the embodiment shown in FIG. 17, a plurality of branch bars 10 are integrally formed of synthetic resin by forming a thin and flexible connecting portion 13 on the base portion 12. Even if the branch bars 10 are integrally formed, the base 12 is sandwiched between the attachment part 34 of the upper ring body 30 and the receiving part 24 of the lower ring body 20 so that each branch bar 10 is inclined downward. , Can be configured to open radially. By doing so, it is not necessary to attach a plurality of branch bars 10 one by one to the upper ring body 30 or the lower ring body 20, so that the assembly work at the factory can be simplified.

DESCRIPTION OF SYMBOLS 1 Rod-shaped support | pillar 2 Reinforcing core material 10 Branch bar 11 Base part 13 Connection part 20 Lower ring body 23 Gutter-like engagement piece 24 Supporting part 26 Screw 30 Upper ring body 33 Gutter-like engagement piece 34 Adhered part

Claims (1)

A plurality of rod-shaped support portions are equiangularly spaced so that the rod-shaped support columns are supported in an upright shape, and the rod-shaped support columns are inserted through a vertical hole formed in the center, and the tip of the outer peripheral portion is inclined downward. A plurality of bowl-shaped attachments such that the rod-shaped support post is inserted into a lower hole formed in the center and a vertical hole formed in the center, and the tip is inclined downward at the same angle as the support portion on the lower surface of the outer peripheral portion. Provided on the surface of the upper ring body facing the lower ring body or the surface of the lower ring body facing the upper ring body so that the upper ring body can be radially expanded and contracted. The upper ring body and the lower ring body are joined together, and each branch bar is sandwiched between the receiving portion and the adherend portion so that each branch rod is sandwiched between them. A bird damage prevention device characterized in that it is held in a radial form when worn .

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