JP2014229922A - Rod antenna fitting - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rod antenna fitting capable of dealing with even the case where a rod antenna to be mounted to a horizontal rod is a changed a little, without changing the fitting, firmly mounting the rod antenna to the horizontal rod and preventing the rod antenna from being swung by the wind or the like, as further as possible.SOLUTION: The rod antenna fitting comprises: a first fixture 11 including a recess into which a horizontal rod 2 is fitted, and abutting the side of a first intermediate side surface 113 opposite to the recess to a rod antenna 3; and a second fixture 12 including a second upper side surface, a second lower side surface, and a second intermediate side surface between the second upper and lower side surfaces, abutting distal end portions of the second upper side surface and the second lower side surface to the rod antenna 3 and holding the rod antenna 3 between the second fixture and the first intermediate side surface 113 of the first fixture 11. The rod antenna 3 is held between the first intermediate side surface 113 of the first fixture 11 and the distal end portions of the upper side surface and the lower side surface of the second fixture 12 and fixed to the horizontal rod 2.

Description

  The present invention relates to a rod-shaped antenna mounting bracket for mounting a rod-shaped antenna to a horizontal rod.

  As antennas for mobile phone base stations and relay stations, pole-shaped antennas (hereinafter referred to as rod-shaped antennas) are used, and it is required to install as many rod-shaped antennas as vertical rods. ing. Therefore, for example, there is a rod-shaped antenna mounting bracket in which the base of the rod-shaped antenna is fixed to the upper surface of a dedicated antenna mounting bracket, and the antenna mounting bracket is fixed to a horizontal rod with a bolt or the like (see, for example, Patent Document 1). ).

JP 7-249911 A

  However, in the above-described conventional rod-shaped antenna mounting bracket, the base of the rod-shaped antenna is fixed to the upper surface of the dedicated antenna mounting bracket, and the antenna mounting bracket is fixed to the horizontal rod with a bolt or the like. When is changed, there is a problem that the antenna mounting bracket needs to be changed separately.

  In the above-mentioned conventional rod-shaped antenna mounting bracket, the base of the rod-shaped antenna is fixed to the upper surface of the dedicated antenna mounting bracket, and the antenna mounting bracket is fixed to the horizontal rod with bolts, etc., and the rod-shaped antenna is fixed from the left and right. In this case, the rod-shaped antenna cannot be firmly attached to the horizontal rod, and the rod-shaped antenna easily shakes due to wind or the like.

  Therefore, the present invention has been made paying attention to such problems, and even when the rod-shaped antenna attached to the horizontal rod is slightly changed, it can cope without changing the metal fitting, and the rod-shaped antenna is firmly attached to the horizontal rod. It is an object of the present invention to provide a rod-shaped antenna mounting bracket that can be attached to the antenna and that can suppress the vibration of the rod-shaped antenna due to wind or the like as much as possible.

In order to solve the above problems, a rod-shaped antenna mounting bracket according to the present invention is a rod-shaped antenna mounting bracket for mounting a rod-shaped antenna to a horizontal rod, and includes a first upper side surface, a first lower side surface, and a first between them. The horizontal rod fits into a concave portion having an intermediate side surface and surrounded by the first upper side surface, the first lower side surface and the first intermediate side surface, and the surface opposite to the concave portion on the first intermediate side surface is a rod-shaped antenna. A first fixing bracket that contacts the first antenna, a second upper side surface, a second lower side surface, and a second intermediate side surface therebetween, and the second upper side surface and the tip of the second lower side surface are in contact with the rod-shaped antenna. And fixing to the horizontal rod by sandwiching the outer peripheral surface of the rod-shaped antenna between the intermediate side surface of the first fixing bracket and the tip portions of the upper side surface and the lower side surface of the second fixing bracket. And
Here, a long portion for engaging the rod-shaped antenna extending in the vertical direction is provided in a portion that contacts the rod-shaped antenna on the intermediate side surface of the first fixing bracket, and the corners on both sides of the long hole for engaging the rod-shaped antenna are rod-shaped. It may be in contact with the outer peripheral surface of the antenna.
In addition, the portions of the upper surface and the lower surface of the second fixing bracket that are in contact with the rod-shaped antenna are located at a position larger than the horizontal width of the rod-shaped antenna engaging slot provided on the intermediate side surface of the first fixing bracket. It is more preferable that a concave portion for engaging the rod-shaped antenna having a wide opening width is provided.
The horizontal rod is provided with at least two bolt holes at a predetermined interval equal to or greater than the outer diameter of the rod-shaped antenna, while the intermediate side surface of the first fixing bracket and the intermediate side surface of the second fixing bracket are respectively horizontal. Bolt holes are provided at predetermined intervals at positions corresponding to the two bolt holes of the rod, and the horizontal rod is fitted into the recess of the first fixing bracket and the intermediate side surface of the first fixing bracket and the second fixing bracket are provided. Both ends of the rod-shaped antenna are formed by sandwiching the outer peripheral surface of the rod-shaped antenna with the tip portions of the upper side surface and the lower side surface and aligning the respective bolt holes between the horizontal rod, the first fixing bracket and the second fixing bracket. It is better to fix the rod-shaped antenna through the fixing bolts.

  The rod-shaped antenna mounting bracket of the present invention includes a first fixing bracket and a second fixing bracket, and the rod-shaped antenna includes a middle side surface of the first fixing bracket and top ends of the upper side surface and the lower side surface of the second fixing bracket. Because it is fixed to the horizontal rod by pinching the outer peripheral surface, even if the rod antenna attached to the horizontal rod is slightly changed, it can be handled without changing the bracket, and the rod antenna can be firmly attached to the horizontal rod In addition, it is possible to suppress as much as possible that the rod-shaped antenna is shaken by wind or the like.

(A)-(c) is the top view, front view, and right view which show the horizontal rod which attaches a rod-shaped antenna using the rod-shaped antenna attachment metal fitting which concerns on this invention, respectively. (A), (b) is the perspective view and top view of the 1st fixing bracket which respectively comprise the rod-shaped antenna mounting bracket which concerns on this invention. (A), (b) is the top view of the 1st fixing bracket which comprises the rod-shaped antenna attachment bracket which concerns on this invention, respectively, and AA sectional view. (A), (b) is the perspective view and top view of the 2nd fixing metal fitting which respectively comprise the rod-shaped antenna attachment metal fitting which concerns on this invention. (A), (b) is the top view of the 2nd fixing metal fixture which comprises the rod-shaped antenna attachment metal fitting which concerns on this invention, respectively, and the BB sectional drawing. It is a front view which shows the state which attached the rod-shaped antenna to the horizontal rod using the rod-shaped antenna mounting bracket which concerns on this invention. It is a right view which shows the state which attached the rod-shaped antenna to the horizontal rod using the rod-shaped antenna mounting bracket which concerns on this invention. It is a partially notched principal part enlarged plan view at the time of attaching a rod-shaped antenna to a horizontal rod using the rod-shaped antenna mounting bracket which concerns on this invention. It is a principal part enlarged front view at the time of attaching a rod-shaped antenna to a horizontal rod using the rod-shaped antenna mounting bracket which concerns on this invention.

  Embodiments of a rod-shaped antenna mounting bracket according to the present invention will be described below with reference to the drawings.

  The rod-shaped antenna mounting bracket 1 according to the present invention is for mounting the rod-shaped antenna 3 to the horizontal rod 2 and includes a first fixing bracket 11 and a second fixing bracket 12.

  As shown in FIG. 1 and the like, the horizontal rod 2 is composed of a square pipe or the like having a square cross section. Here, the horizontal rod 2 is configured such that one rod-shaped antenna 3 is attached to each end of the horizontal rod 2. . Therefore, on both sides of the horizontal rod 2, two bolt holes 2 a and 2 b are provided penetrating in the horizontal direction at predetermined intervals equal to or greater than the outer diameter of the rod-shaped antenna 3. The rod-shaped antenna mounting bracket 1 according to the invention is used.

  In addition, a vertical rod mounting bracket 21 is provided at the center of the horizontal rod 2 in order to attach the horizontal rod 2 to the head of the vertical rod 4 as shown in FIGS. As shown in FIG. 1A, the vertical rod mounting bracket 21 is formed in, for example, a U-shaped cross section that matches the cross-sectional shape of the head of the vertical rod 4. Further, as shown in FIG. 1C, at the upper ends of both side surfaces of the vertical rod mounting bracket 21, there are provided horizontal rod fitting recesses 211 that match the outer shape of the horizontal rod 2, and horizontal rod fitting recesses 211. Bolt holes 21a and 21b for fixing with fixing bolts 41a and 41b and double nuts 42a and 42b (see FIGS. 6 and 7), which will be described later, are provided below the head of the vertical rod 4.

  As shown in FIGS. 2 and 3, the first fixing bracket 11 includes a first upper flange surface 111, a first upper side surface 112, a first intermediate side surface 113, a first lower side surface 114, and a first lower flange surface 115. As shown in FIG. 9 to be described later, a horizontal rod is formed in a concave portion formed on the back side of the first upper side surface 112, the first intermediate side surface 113, and the first lower side surface 114. 2 is configured to fit. The first upper flange surface 111 and the first lower flange surface 115 may be omitted.

  Further, as shown in FIGS. 2 and 3, the first fixing fitting 11 comes into contact with the rod-shaped antenna 3 at the surface side of the first intermediate side surface 113 which is the opposite side of the concave portion into which the horizontal rod 2 is fitted.

  The portion of the first intermediate side 113 of the first fixing bracket 11 that contacts the rod-shaped antenna 3 has a rod-shaped antenna having corners 116a and 116b extending in the vertical direction (vertical direction) as shown in FIGS. An engaging slot 116 is provided. In the present invention, the rod-shaped antenna engaging slot 116 may be omitted. Further, bolt holes 113a and 113b are provided on both sides of the first fixing bracket 11 at the same intervals as the bolt holes 2a and 2b having a predetermined interval equal to or larger than the outer diameter of the rod-shaped antenna 3 provided on both sides of the horizontal rod 2. Yes.

  As shown in FIGS. 4 and 5, the second fixing bracket 12 is configured in a U-shaped cross section having a second upper side surface 121, a second lower side surface 123, and a second intermediate side surface 122 therebetween. 2 The tip portions of the upper side surface 121 and the second lower side surface 123 abut against the rod-shaped antenna 3 so as to sandwich the rod-shaped antenna 3 with the first intermediate side surface 113 of the first fixing bracket 11.

  Here, the rod-shaped antenna provided on the first intermediate side surface 113 of the first fixing bracket 11 at the portion of the second upper side 121 and the second lower side 123 of the second fixing bracket 12 in contact with the rod-shaped antenna 3 at the tip. A trapezoidal rod-like bar in plan view having oblique sides 121a1, 123a1, bottom pieces 121a2, 123a2, and oblique sides 121a3, 123a3 having an opening width h2 wider than the horizontal width h1 (see FIG. 2 (a)) of the engagement hole 116. Antenna engagement recesses 121a and 123a are provided. In the present invention, the rod-shaped antenna engaging recesses 121a and 123a are not limited to a trapezoidal shape in a plan view, and may be a V-shape in a plan view, or may be omitted.

  Further, bolt holes 2 a and 2 b provided on both sides of the horizontal rod 2 and bolt holes 113 a provided on the first intermediate side 113 of the first fixing metal 11 are provided on both sides of the second intermediate side 122 of the second fixing metal 12. , 113b are provided at the same intervals as the bolt holes 122a, 122b.

  Next, the mounting of the rod-shaped antenna 3 using the rod-shaped antenna mounting bracket 1 composed of the first fixing bracket 11 and the second fixing bracket 12 configured as described above will be described.

  6 to 9 are a front view, a right side view, a main part enlarged plan view, and a main part showing a state in which the bar-shaped antenna 3 is attached to the horizontal rod 2 using the bar-shaped antenna mounting bracket 1 according to the present invention. It is an enlarged front view.

  First, as shown in FIGS. 6 and 7, the horizontal rod 2 is attached to the upper portion of the vertical rod 4 via the vertical rod attachment fitting 21. At that time, bolts 21a and 21b (see FIG. 1C) provided on both side surfaces of the horizontal rod 2 are respectively fixed by double nuts 42a and 42b through bolts 41a and 41b.

  Note that vertical rod mounting brackets 43 and 44 are provided below the vertical rod 4, and a pole (not illustrated) mounted on a utility pole (not illustrated) by the vertical rod mounting brackets 43 and 44. ) Or a utility pole (not shown).

  Next, the rod-shaped antenna 3 is fixed to the horizontal rod 2 in order to attach the rod-shaped antenna mounting bracket 1 to the horizontal rod 2 first, and therefore, as shown in FIGS. The horizontal rod 2 is inserted into a recess formed on the back side of the first intermediate side surface 113 and the first lower side surface 114. Next, the rod-shaped antenna 3 is sandwiched between the first intermediate side surface 113 of the first fixing bracket 11 and the tips of the second upper side surface 121 and the second lower side surface 123 of the second fixing bracket 12 and fixed to the horizontal rod 2. The positions of the bolt holes 2a and 2b of the horizontal rod 2, the bolt holes 113a and 113b of the first intermediate side surface 113 of the first fixing bracket 11, and the bolt holes 122a and 122b of the second intermediate side surface 122 of the second fixing bracket 12 are At the same time, it is fastened and fixed by double nuts 42c and 42d through fixing bolts 41c and 41d from both sides of the rod-shaped antenna 3, respectively.

  Then, as shown in FIGS. 8 and 9, the horizontal rod 2, the first fixture 11 and the second fixture 12 are sandwiched from both sides of the rod-shaped antenna 3, and the rod-shaped antenna 3 is attached to the horizontal rod 2. .

  At that time, in the first fixing bracket 11, as shown in FIGS. 2, 3, and 8, a rod-shaped antenna engaging elongated hole 116 formed in the first intermediate side surface 113 so as to extend in the vertical direction (vertical direction). The corner portions 116 a and 116 b on both sides extending in the vertical direction (vertical direction) of the rod-shaped antenna engaging long hole 116 are in contact with the outer peripheral surface of the rod-shaped antenna 3.

  On the other hand, in the second fixing bracket 12, at least the oblique sides 121 a 1, 121 a 3, 123 a 1, 123 a 3 of the rod-shaped antenna engaging recesses 121 a, 123 a formed at the tip portions of the second upper side surface 121 and the second lower side surface 123 are the rod-shaped antenna 3. It abuts on the outer peripheral surface. When the rod-shaped antenna 3 has a thin outer diameter, the bottom pieces 121a2 and 123a2 of the rod-shaped antenna engaging recesses 121a and 123a may come into contact with the outer peripheral surface of the rod-shaped antenna 3.

  Therefore, the rod-shaped antenna mounting bracket 1 according to the present embodiment includes the first fixing bracket 11 and the second fixing bracket 12, the first intermediate side surface 113 of the first fixing bracket 11, and the second fixing bracket 12. When the outer diameter of the rod-shaped antenna 3 is fixed to the horizontal rod 2 by sandwiching the outer peripheral surface of the rod-shaped antenna 3 with the tip portions of the upper side surface 121 and the second lower side surface 123, the outer diameter of the rod-shaped antenna 3 is slightly changed But it can be handled without changing the bracket.

  Further, the rod-shaped antenna 3 is firmly fixed to the horizontal rod 2 in order to fix the rod-shaped antenna 3 to the horizontal rod 2 by sandwiching the outer peripheral surface of the rod-shaped antenna 3 with the first fixing bracket 11 and the second fixing bracket 12 from the horizontal direction. While being able to attach, it can suppress that the rod-shaped antenna 3 shakes by a wind etc. as much as possible.

  In particular, in the rod-shaped antenna mounting bracket 1 of the first embodiment, a rod-shaped antenna engaging elongated hole having a narrow width h1 extending in the vertical direction (vertical direction) on the first intermediate side surface 113 of the first fixing bracket 11 that contacts the rod-shaped antenna 3. 116. Since the corners 116a and 116b on both sides in the vertical direction (vertical direction) of the long hole 116 for engaging the rod-shaped antenna are in contact with the outer circumferential surface of the rod-shaped antenna 3 on the outer peripheral surface of the rod-shaped antenna 3, The rod-shaped antenna 3 can be clamped more securely than when the long hole 116 is not provided, and the corner portions 116 a and 116 b of the rod-shaped antenna engaging long hole 116 extending in the longitudinal direction of the rod-shaped antenna 3 are engaged with the outer peripheral surface of the rod-shaped antenna 3. Therefore, the rotation of the rod-shaped antenna 3 can be prevented more reliably.

  Further, in the rod-shaped antenna mounting bracket 1 according to the first embodiment, the portions for contacting the rod-shaped antenna 3 at the distal ends of the second upper side surface 121 and the second lower side surface 123 of the second fixing bracket 12 are respectively used for engaging the rod-shaped antenna. The recesses 121a and 123a are provided, and the opening width h2 of the recesses 121a and 123a for engaging the rod-shaped antenna is the horizontal width of the elongated hole 116 for engaging the rod-shaped antenna provided on the first intermediate side surface 113 of the first fixing bracket 11. It is wider than h1. Therefore, when the contact between the elongated hole 116 for engaging the rod-shaped antenna provided on the first intermediate side surface 113 of the first fixing bracket 11 and the outer peripheral surface of the rod-shaped antenna 3 is regarded as one point, the second upper side surface 121 and the second The rod-shaped antenna engagement recesses 121a and 123a formed at the tip of each of the lower side surfaces 123 come into contact with the outer surface of the rod-shaped antenna 3 at least three points including at least two oblique sides 121a1, 121a3, 123a1 and 123a3. Therefore, the rod-shaped antenna 3 can be firmly fixed also in this respect. When the rod-shaped antenna 3 has a small outer diameter, the bottom pieces 121a2 and 123a2 of the rod-shaped antenna engaging recesses 121a and 123a also come into contact with the outer circumferential surface of the rod-shaped antenna 3, and therefore the outer circumference of the rod-shaped antenna 3 at four points. It will contact the surface. In particular, the rod-shaped antenna engaging recesses 121a and 123a formed at the tip portions of the second upper side surface 121 and the second lower side surface 123 are in perpendicular contact with the outer peripheral surface of the rod-shaped antenna 3, so that the rod-shaped antenna 3 Can be prevented from shifting in the vertical direction.

DESCRIPTION OF SYMBOLS 1 Rod-shaped antenna mounting bracket 11 1st fixing bracket 111 1st upper side flange surface 112 1st upper side surface 113 1st intermediate side surface 113a, 113b Bolt hole 114 1st lower side surface 115 1st lower side flange surface 116 Slot-shaped antenna engagement long hole 116a, 116b Corner portion 12 Second fixing bracket 121 Second upper side surface 122 Second intermediate side surface 122a, 122b Bolt hole 123 Second lower side surface 121a, 123a Recessed portion for rod-shaped antenna 121a1, 123a1 hypotenuse 121a2, 123a2 bottom piece 121a3, 123a3 hypotenuse 2 Horizontal rod 2a, 2b Bolt hole 21 Vertical rod mounting bracket 21a, 21b Bolt hole 3 Rod antenna 4 Vertical rod 41a-41d Fixing bolt 42a-42d Double nut 43, 44 Vertical rod mounting bracket

Claims (4)

A rod-shaped antenna mounting bracket for mounting a rod-shaped antenna on a horizontal rod,
While having a first upper side surface, a first lower side surface, and a first intermediate side surface therebetween, the horizontal rod fits into a recess surrounded by the first upper side surface, the first lower side surface and the first intermediate side surface, A first fixing fitting in which a surface of the first intermediate side opposite to the concave portion comes into contact with the rod-shaped antenna;
A second fixing member having a second upper side surface, a second lower side surface, and a second intermediate side surface therebetween, the tip portions of the second upper side surface and the second lower side surface contacting the rod-shaped antenna;
A rod-shaped antenna mounting bracket, wherein the rod-shaped antenna is fixed to a horizontal rod by sandwiching an outer peripheral surface of the rod-shaped antenna between an intermediate side surface of the first fixing bracket and top ends of upper and lower surfaces of the second fixing bracket. The rod-shaped antenna mounting bracket according to claim 1,
An elongated hole for engaging the rod-shaped antenna extending in the vertical direction is provided at a portion that contacts the rod-shaped antenna on the intermediate side surface of the first fixing bracket. A rod-shaped antenna mounting bracket, which is in contact with a surface. In the rod-shaped antenna mounting bracket according to claim 2,
Opening widths at the portions of the top surfaces of the second fixing brackets that are in contact with the rod-shaped antenna at the front end portions are wider than the horizontal widths of the rod-shaped antenna engaging long holes provided on the intermediate side surface of the first fixing bracket. A rod-shaped antenna mounting bracket, wherein a concave portion for engaging a rod-shaped antenna is provided. In the rod-shaped antenna mounting bracket according to any one of claims 1 to 3,
While the horizontal rod is provided with at least two bolt holes at a predetermined interval not less than the outer diameter of the rod-shaped antenna,
Bolt holes are provided at predetermined intervals on the intermediate side surface of the first fixing bracket and the intermediate side surface of the second fixing bracket at positions corresponding to two bolt holes of the horizontal rod, respectively.
The horizontal rod is fitted into the recess of the first fixing bracket, and the outer peripheral surface of the rod-shaped antenna is sandwiched between the intermediate side surface of the first fixing bracket and the upper and lower end portions of the second fixing bracket. A rod-shaped antenna mounting bracket, wherein the bolt holes are aligned between the first fixing bracket and the second fixing bracket, and the rod-shaped antenna is fixed to both sides of the rod-shaped antenna through the fixing bolts.

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