JPH0878924A - Antenna supporter - Google Patents

Abstract

PURPOSE: To prevent the relative angle of the antenna supporter and a fitting supporter from being fluctuated by strong wind or the like by providing a radial gear and radial projecting teeth corresponding to that gear. CONSTITUTION: A parabola antenna 1 is provided with a fitting part 11 on the back and fixed at the gap with an antenna supporter 2 by a long hole 21a and a bolt hole 21b of the antenna supporter 2 and bolts 10 and 20 with teeth so as to adjust an elevation angle. An antenna pole fixing part 22 opens its lower side and made cylindrical to provide a lid 22a at the upper part, cross-shaped teeth 22b are radially provided on the inner face of this lid, and an inserting hole 22c is provided at the center of that lid. On the other hand, a fitting supporter 3 is fixed to the tip of an antenna pole 4 by a bolt 40. Radial loop-shaped teeth-shaped notches 3c are provided at the central part of the upper face of the fitting supporter 3 and engaged with the teeth 22b on the inner face of the lid 22. The fitting supporter 3 is provided with a screw hole 3d at the center and screws the antenna pole fixing part 22 with a bolt 30 inserted through the inserting hole 22c. Even when the teeth 22b dig the teeth- shaped notches 3c and power is applied, the direction is not changed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parabola antenna mounting structure and an antenna support.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 4, in an antenna support 2 which is attached to the tip of a tubular antenna pole 4 and fixes the antenna 1 in a predetermined direction, a fitting portion which fits with the tip of the pole. 23a and an inscribed tube 23b which is inscribed in the tube of this pole and whose tip side is closed.
And a frame 23 formed by integrating
A fixing bolt 30 penetrating the cold-closed portion of the inner pipe 23b and inserted in the inner pipe 23b, and a wedge-shaped member fitted into the fixing bolt 30. The inner pipe is rotated according to the rotation of the fixing bolt. And a fixture 50 that moves from the lower end to the upper end of the antenna 1. The antenna 1 is adjusted in a predetermined direction, the fixing bolt 30 is rotated, and the inner pipe 23b is pressed into the pipe of the antenna pole 4. Then, the antenna 1 is fixed. Therefore, a strong wind blows and a strong rotational force is applied to the antenna support 2, and when this rotational force exceeds the frictional force between the inscribed tube 23b and the pressure contact portion of the antenna pole 1 inside the tube, the antenna 1 rotates and the direction is changed. There was a problem of going crazy.

[0003]

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems and to provide an antenna supporter in which the direction of the antenna does not change due to strong wind or the like.

[0004]

In order to solve the above-mentioned problems, the present invention is directed to an antenna support tool in which a parabolic antenna is mounted on one side and fixed to an antenna pole together with a mounting aid on the other side. It is equipped with an angle adjustment mechanism, the antenna pole fixing part is opened downward, and the lid is formed in a cylindrical shape, at least one radial convex tooth is provided on the inner surface of the lid, and an insertion hole is provided in the center of the lid. On the other hand, the attachment aid fixed to the tip of the antenna pole with a bolt meshes with a convex tooth provided on the inner surface of the lid at the tip.
A radial gear is formed, and a screw hole is provided at the center of the tip, and the antenna pole fixing part is covered with a mounting tool that is fixed to the tip of the antenna pole with a bolt, and the fixing bolt is inserted from the through hole into the screw hole. I try to screw it on.

Alternatively, in an antenna supporting tool in which a parabolic antenna is mounted on one side and is fixed to an antenna pole together with a mounting aid on the other side, the antenna mounting section includes an angle-of-attack adjusting mechanism, and the antenna pole fixing section opens downward. , A cylindrical shape with a lid on the top, a radial gear wheel is formed on the inner surface of the lid, and an insertion hole is provided in the center of the lid, while the attachment aid that is fixed to the tip of the antenna pole with a bolt is At least one radial convex tooth that meshes with a gear provided on the inner surface of the lid and a screw hole at the center of the tip, and is an attachment aid for fixing the antenna pole fixing portion to the tip of the antenna pole with a bolt. The cover is put on and the fixing bolt is inserted through the insertion hole and screwed into the screw hole.

[0006]

With the above construction, according to the antenna support of the present invention, a mounting aid having convex teeth or radial gears is fixed to the tip of the antenna pole with a bolt, and the mounting aid is attached. Is provided with a radial gear or a convex tooth corresponding to the above-mentioned convex tooth or a radial gear on the inner surface of the lid, and the cylindrical antenna pole fixing portion of the antenna support is covered to attach the antenna support to the auxiliary tool. The parabolic antenna is attached to one of the antenna supports to adjust the angle of attack and azimuth.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An antenna support according to the present invention will be described in detail below with reference to the drawings. 1 is a partial cross-sectional view showing an embodiment of an antenna support according to the present invention, FIG. 2 shows the antenna support, FIG. 2-b is a plan view seen from below,
FIG. 2-a is a sectional view taken along line AA. In the figure, reference numeral 1 denotes a parabolic antenna, which is provided with a mounting portion 11 on the back surface, and the mounting portion 11 is provided with screw holes 11a and 11b. Denoted at 2 is the support for fixing the parabolic antenna 1 to the antenna pole 4 together with the mounting aid 3, and the antenna 1 at the side portion.
The mounting portion 11 is mounted with the toothed bolts 10 and 20, and the antenna mounting portion 21 for adjusting the angle of attack is provided, and the cylindrical antenna pole fixing portion 22 that is open downward and has the lid 22a on the upper portion. . The antenna mounting portion 21 is shown in FIG.
As shown in FIG.
b and an insertion hole 21c are provided. Further, the antenna pole fixing portion 22 is provided with radially cross-shaped teeth 22b on an inner surface of a lid 22a provided at an upper portion and an insertion hole 22c at a central portion of the lid 22a. Reference numeral 3 denotes the mounting aid, which is shown in FIG.
FIG. 3 is a plan view thereof, and FIG. 3B is a cross-sectional view taken along line BB thereof. As shown in FIG.
And an inscribed portion 3b which is inscribed in the tube of the antenna pole 4 and whose tip end is closed, and the antenna is annularly formed on the outer circumference of the closed portion of the inscribed portion 3b. A radial gear 3c that meshes with a cross-shaped tooth 22b provided on the inner surface of the lid 22a of the pole fixing portion 22 and a screw hole 3d at the center of the tip are provided, and the antenna pole is attached to the side of the inscribed portion 3b by a bolt 40. There are provided a plurality of screw holes 3e for fixing. The antenna pole 4 has an insertion hole 4a at a position corresponding to the plurality of screw holes 3d.

In the above structure, the assembling procedure will be described below. First, at the tip of the antenna pole 4 which is firmly fixed to a fence or the like, the inner pipe 3 of the mounting aid 3 is attached.
b and insert the bolt 40 into the insertion hole 4 of the antenna pole 4.
Insert from a and screw into the screw hole 3e. Next, cover the pole fixing portion 22 of the support tool 3 on the attachment assist tool 3,
The fixing bolt 30 is inserted into the insertion hole 22c, temporarily fixed to the screw hole 3d, and after adjusting the azimuth angle, further tightened to fix. Next, the mounting portion 11 of the parabolic antenna 1 is aligned with the antenna mounting portion 21, the bolt 20 is inserted through the insertion hole 21b of the antenna support 2, and screwed into the screw hole 11b, and the toothed bolt 10 is formed into the long hole 21a. It is inserted and temporarily fixed in the screw hole 11a, and after adjusting the angle of attack, it is tightened and fixed. In this example, the convex teeth are radially cross-shaped teeth 22b. However, even if the Y-shaped teeth are one or two convex teeth, there is a rattling of a fitting portion or the like. It absorbs the change in direction due to and enables more accurate positioning. Further, by forming the radial gears only on the outer peripheral portion, the pitch angle of the gears can be made smaller and the azimuth angle can be adjusted precisely.

[0009]

As described above, according to the antenna supporting tool of the present invention, the mounting aid having the convex teeth or the radial gears is fixed to the tip of the antenna pole with the bolt, and the mounting aid is mounted. Is provided with a radial gear or a convex tooth corresponding to the above-mentioned convex tooth or a radial gear on the inner surface of the lid, and the cylindrical antenna pole fixing portion of the antenna support is covered to attach the antenna support to the auxiliary tool. The parabolic antenna is attached to one side of the antenna support to adjust the angle of attack and azimuth, so the teeth bite into the gear and try to change the direction of the antenna due to strong wind. Even if a force is applied, the strength that does not change the direction can be obtained.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of an antenna support according to the present invention.

FIG. 2 shows a plan view and a sectional view of an antenna support.

FIG. 3 shows a plan view and a cross-sectional view of a mounting aid.

FIG. 4 is a cross-sectional view showing a conventional antenna support.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Parabolic antenna 2 Antenna support tool 3 Mounting aid 3a Fitting part 3b Inner pipe 3c Radial gear 3d Screw hole 4 Antenna pole 10 Toothed bolt 11 Mounting part 11a Screw hole 11b Screw hole 20 Bolt 21 Antenna mounting part 21a Long hole 21b insertion hole 22 antenna pole fixing part 22a lid 22b cruciform tooth 22c insertion hole 30 fixing bolt

Claims (8)

[Claims] 1. An antenna supporting tool for mounting a parabola antenna on one side and fixing it to an antenna pole together with a mounting aid on the other side, wherein the antenna mounting part has an angle-of-attack adjusting mechanism, and the antenna pole fixing part opens downward. , A cylindrical shape with a lid on the top, at least one radial convex tooth on the inner surface of the lid, and an insertion hole in the center of the lid, while fixing the tip of the antenna pole with a bolt The tool engages with convex teeth provided on the inner surface of the lid at the tip,
A radial gear is formed, and a screw hole is provided at the center of the tip, and the antenna pole fixing part is covered with a mounting tool that is fixed to the tip of the antenna pole with a bolt, and the fixing bolt is inserted from the through hole into the screw hole. An antenna support characterized by being screwed. 2. An antenna support, wherein a parabolic antenna is mounted on one side and fixed to an antenna pole together with a mounting aid on the other side, the antenna mounting part is provided with an angle-of-attack adjusting mechanism, and the antenna pole fixing part opens downward. , A cylindrical shape with a lid on the top, a radial gear wheel is formed on the inner surface of the lid, and an insertion hole is provided in the center of the lid, while the attachment aid that is fixed to the tip of the antenna pole with a bolt is At least one radial convex tooth that meshes with a gear provided on the inner surface of the lid and a screw hole at the center of the tip, and is an attachment aid for fixing the antenna pole fixing portion to the tip of the antenna pole with a bolt. An antenna supporting tool, characterized in that the antenna supporting tool is covered, and a fixing bolt is inserted through the insertion hole and screwed into the screw hole. 3. The antenna support device according to claim 1, wherein the radial gear formed on the mounting aid is formed in an annular shape on the upper outer peripheral portion. 4. The antenna supporter according to claim 1, wherein the radial convex teeth formed on the inner surface of the lid form three Y-shaped convex teeth. 5. The antenna support according to claim 2, wherein the radial gear formed on the inner surface of the lid is formed in an annular shape on the outer peripheral portion. 6. The antenna supporter according to claim 2, wherein the radial convex teeth formed by the attachment assisting tool form three convex teeth in a Y shape. 7. The fitting aid is fitted to a fitting portion fitted to the tip of the pole, and inscribed in a pipe of the pole,
The antenna support according to claim 1 or 2, wherein the pole tip side is integrated with an inscribed portion where the cold is closed, and at least one screw hole is provided in the inscribed portion. 8. The length of the fixing bolt is such that when the fixing bolt is loosened and the antenna support is rotated, the convex teeth ride over the radial gears and rotate to adjust the rotation angle. Claim 1 or claim 2 characterized
The antenna support described.