KR100264443B1 - Non-directional antenna mounting device - Google Patents

Abstract

PURPOSE: A non-directional antenna mounting device is provided to improve a durability and conveniently fix a non-directional antenna to an antenna mast by one work. CONSTITUTION: A cup bracket(20), which is formed with a plurality of screw holes(21a) for fastening bolts and a mounting protrusion(21b) for mounting an antenna, is mounted to the top end of the antenna mast(10). A fixing clamp(30) having bolt through-holes(31) is mounted to a portion of the fixing part(21) of the cup bracket(20) by the bolts. A pivoting clamp(40) which is hingedly coupled to the fixing clamp(30) is mounted to the other portion of the fixing part(21) of the cup bracket(20). A lever(50) is hingedly mounted to the pivoting clamp(40) in an insertion recess(41). A fixing plate(60) having a connecting pin(62) is cam-coupled to one end of the lever(50), and the connecting pin(62) is fixedly inserted into the fixing clamp(30), so that the pivoting clamp(40) can be pivoted by the lever(50).

Description

Omni-directional antenna fixture

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an omnidirectional antenna device for a mobile radio base station, and more particularly, to an omnidirectional antenna fixing device capable of conveniently fixing the non-directional antenna to an antenna mast.

In general, since the omnidirectional antenna used for the mobile radio base station is large in size and long in length, an antenna mast for fixing the antenna is installed on the lower side thereof, and the omnidirectional antenna is fixed to a predetermined bracket formed on the upper side thereof. Use it. Therefore, the antenna mast is fixed to the vertical in the ground by fixing the lower side in multiple directions with a plurality of strings. In addition, since the combination of the antenna mast and the omni-directional antenna to reach several meters, the development of a device for conveniently fixing the omni-directional antenna to the antenna mast is an important issue.

1 is a partial perspective view of an antenna mast for fixing an omnidirectional antenna according to an embodiment of the prior art, and FIG. 2 is a front view and a plan cross-sectional view illustrating a state in which an omnidirectional antenna is mounted on an antenna mast.

In the conventional omnidirectional antenna fixing device, as shown in FIGS. 1 and 2, a fixing part 201 is installed at an upper end of an antenna mast 200 for fixing an omnidirectional antenna. A fixing hole 202 for inserting and fixing the omnidirectional antenna 210 is formed in the center of the fixing part 201, and the fixing part 202 is symmetrically separated from the center. The fixing parts 202 which are separated from each other by the left and right symmetry are respectively connected to bolts 203 which the user can rotate and tighten by hand.

That is, as shown in FIG. 2, the omnidirectional antenna 210 is inserted into the fixing hole 202 of the fixing part 201 and temporarily assembled, and then the bolt 203 fastened to the left and right sides of the fixing part 201 is tightened to form the fixing part 201. As the diameter decreases, the outer peripheral surface of the omnidirectional antenna 210 is tightened. As a result, the non-directional antenna 210 is fixed by fastening the bolt 203 to the fixing portion 201 installed on the top of the antenna mast 200.

However, the omni-directional antenna fixing device as described above, when mounting the antenna to the antenna mast, the tightening by using a bolt occurs due to frequent wear occurs a problem that can not be firmly fixed to the antenna. In addition, since the height of the antenna mast is about 2 meters, after assembling the omnidirectional antenna on the upper end, it is inconvenient to tighten the nut, and it is difficult to maintain the horizontal level because it is fastened at two places.

In order to solve the above problems, an object of the present invention is to provide a non-directional antenna fixing device that does not wear even if frequent use.

Another object of the present invention is to provide a non-directional antenna fixing apparatus that can be fixed by the user by one operation after the antenna is temporarily assembled to the antenna mast.

Still another object of the present invention is to provide an omnidirectional antenna fixing device which can be fixed so as to fit horizontally even when fastened in one place.

In order to achieve the above object, the present invention provides a device for fixing an omnidirectional antenna to the antenna mast, the upper end of the antenna mast a plurality of fastening holes formed in place for fastening the bolt in place and its center The cup bracket is equipped with a mounting jaw for mounting the antenna is mounted, the fixing portion of the cup bracket is provided with a fixing clamp having a bolt through hole in place by a bolt, and the fixing clamp on the other side of the fixing portion of the cup bracket One side of the hinge is coupled to the flow clamp is installed so as to flow around the hinge axis, one side of the flow clamp is formed by inserting a lever that can be moved by the hinge coupling to form a lever insertion groove, the lever of At the end, a fixed plate having a fixed length connecting pin is formed at one end by cam coupling. The connecting pin is characterized in that the clamp is configured to flow the flow by the flow of the lever is secured to the fixed clamp.

1 is a partial perspective view of an antenna mast for fixing an omnidirectional antenna according to an embodiment of the prior art.

Figure 2 is a front and plan sectional view showing a state in which the omni-directional antenna is mounted on the antenna mast according to an embodiment of the prior art.

Figure 3 is an exploded perspective view of the omni-directional antenna fixing device according to an embodiment of the present invention.

Figure 4 is a cross-sectional view showing a state in which the lever of the clamp is released in accordance with a preferred embodiment of the present invention.

Figure 5 is a plan sectional view showing a locked state of the lever of the clamp according to an embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: antenna mast 20: cup bracket

21: fixing part 30: fixing clamp

31: bolt through hole 32: connecting pin through hole

40: flow clamp 41: lever insertion groove

42: hinge pin 50: lever

51: fixing plate insertion groove 52: fixing pin

60: fixing plate 62: connecting pin

71: fixing bolt

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used for the same components, even if displayed on different drawings. In describing the present invention, when it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

Figure 3 is an exploded perspective view of the omni-directional antenna fixing device according to an embodiment of the present invention, Figure 4 is a cross-sectional view showing a state in which the lever of the clamp is released, Figure 5 is a state in which the lever of the clamp is locked Plane section view.

In the configuration of the non-directional antenna fixing apparatus according to the present invention, as shown in Figure 3, first, the cup bracket 20 having a predetermined shape is installed at the upper end of the antenna mast 10. A fixing part 21 for fixing the omnidirectional antenna is formed on the upper side of the cup bracket 20, and a plurality of fastening holes 21a for fastening the bolts 71 are respectively formed in place of the fixing part 21. In addition, the locking jaw 21b is formed at the center of the fixing part 21 so as to be caught when the omnidirectional antenna is temporarily assembled.

Thereafter, a fixing clamp 30 is installed at one side of the fixing part 21 of the cup bracket 20 so as to be fixed by a plurality of bolts 71, and the other side of the fixing part 21 is hinged with one end of the fixing clamp 30 to flow around the hinge axis. Install the floating clamp 40 so that it can The fixing clamp 30 is provided with a plurality of bolt through holes 31 in place so that the bolts 71 penetrate at positions corresponding to the fastening holes 21 a for fastening the bolts of the fixing parts 21.

On one side of the floating clamp 40 is formed a lever insertion groove 41 of a predetermined depth to insert the lever 50 that can be flowed by the hinge coupling. In addition, at the end of the lever 50, a fixed plate 60 having a predetermined length connecting pin 62 at one end thereof is installed by cam coupling, and the connecting pin 62 is fixed in place of the fixing clamp 30 by the flow of the lever 50. The flow clamp 40 is configured to flow.

Looking at the structure of the lever 50 is hinged to the floating clamp 40, and the fixing plate 60 is cam-coupled to the lever in more detail as follows.

At the end of the lever 50, the fixing plate inserting groove 51 for inserting the fixing plate 60 is formed at a predetermined depth in the center thereof, and the hinge hole 51a and the fixing hole 51b are formed at the right and left places on the upper and lower surfaces thereof. In the fixing plate 60, a hinge pin through hole 61a and a fixing pin through hole 61b are formed at corresponding positions of the hinge hole 51a and the fixing hole 51b. Thereafter, the fixing plate 60 is cam-coupled to the lever 50 by the fixing pin 52 of a predetermined length through the fixing hole 51b of the lever 50 and the fixing pin through hole 61b of the fixing plate 60. In addition, the lever 50 is a pin insertion hole 41a formed in the upper and lower surfaces of the lever insertion groove 41 of the floating clamp 40 by a hinge pin 42 of a predetermined length, the hinge hole 51a of the lever 50 and the hinge pin through hole 61a of the fixing plate 60. Hinge through.

Subsequently, in order to insert the connecting pin 62 extending into the fixing plate 60, a connecting pin through-hole 32 is formed on the surface contacting the floating clamp 40 of the fixing clamp 30, and then the connecting pin 62 is inserted into the connecting pin through-hole 32. After that, the nut 72 is fastened to the end thereof and fixed. That is, the fixing plate 60 is cam-coupled to the lever 50 coupled to the flow clamp 40, the connecting pin 62 is fixed to the fixing clamp 30 with a nut 72. The inner surface of the fixed clamp 30 and the non-directional antenna of the floating clamp 40 is formed in the same shape as the outer circumferential surface of the non-directional antenna.

Operation of the omni-directional antenna fixing device having the configuration as described above, as shown in Figures 4 and 5, when the lever 50 flows out of the cup bracket 20, the lever 50 is hinged shaft 42 of the flow bracket 40 Will rotate the center. At this time, the fixing plate (not shown) fixed by the lever 50 and the cam coupling separates the floating clamp 40 from the fixed clamp 30 about the cam coupling shaft 52. Thereafter, after assembling the omnidirectional antenna 11 to the mounting jaw (not shown) of the cup bracket 20, the lever 50 is pulled toward the center of the cup bracket. At this time, the lever 50 is rotated about the axis 42 hinged to the flow clamp 40, and at the same time, the non-illustrated fixed plate cam-coupled to the lever 50 is to pull the flow clamp 40 in the direction of the fixed clamp 30 . That is, the flow clamp 40 is separated or in contact with the fixed clamp 30 by the flow of the lever 50, so that the non-directional antenna 11 is fixed to the cup bracket 20 located on the top of the antenna mast (not shown).

As described above, the omni-directional antenna fixing device according to the embodiment of the present invention has the effect of fixing the omni-directional antenna to the antenna mast only by one-time operation of the lever installed in the cup bracket. In addition, wear does not occur even in frequent use, there is an effect that can always exhibit a constant holding force.

Claims (6)

An apparatus for fixing an omnidirectional antenna to an antenna mast, A fixing part having a plurality of fastening holes for fastening bolts in place at an upper end of the antenna mast, and a cup bracket having a mounting jaw for mounting the antenna at the center thereof; A fixing clamp having a bolt through hole formed in place at one side of the fixing part of the cup bracket by a bolt; On the other side of the fixed portion of the cup bracket is hinged and coupled to one side of the fixed clamp to install a flow clamp to flow around the hinge axis; A lever insertion groove is formed at one side of the flow clamp to insert a lever that can be flown by a hinge coupling; The end of the lever is provided with a fixed plate formed with a connecting pin of a predetermined length at one end by the cam coupling, the connecting pin is fixed to the fixed clamp is configured to flow the flow clamp by the flow of the lever Omnidirectional antenna fixtures. The method of claim 1, At the end of the lever, a fixing plate insertion groove for inserting the fixing plate is formed, and upper and lower surfaces are formed with a hinge hole and a fixing hole in left and right places, and the fixing plate has a hinge pin through hole at a corresponding position of the hinge hole and the fixing hole. And a fixed pin through hole formed therein. The method of claim 2, And the fixing plate is cam-coupled to the lever through a fixing hole of the lever and a fixing pin through hole of the fixing plate by a fixing pin of a predetermined length. The method of claim 2, The lever is fixed to the non-directional antenna, characterized in that the hinge is coupled through the pin insertion hole formed in the upper and lower surfaces of the lever insertion groove of the floating clamp, the hinge hole of the lever and the hinge pin through hole of the fixing plate by a hinge pin of a predetermined length. Device. The method of claim 1, After forming the connecting pin through hole through which the connecting pin of the fixing plate can penetrate the surface of the fixed clamp in contact with the floating clamp, and then through the connecting pin to fasten the end by a nut to fix the non-directional Antenna fixture. The method of claim 1, The inner surface in contact with the non-directional antenna of the fixed clamp and the floating clamp is a non-directional antenna fixing device, characterized in that formed in the same shape as the outer peripheral surface of the non-directional antenna.