Antenna clamping device

Patent metadata

Field	Value
Publication number	US-12027749-B2
Application number	US-202217717018-A
Country	US
Kind code	B2
Filing date	Apr 8, 2022
Priority date	Oct 25, 2019
Publication date	Jul 2, 2024
Grant date	Jul 2, 2024

Abstract

The present invention relates to an antenna clamping device including an antenna clamping unit having a tip portion on which an antenna device is mounted, the antenna clamping unit being configured to perform at least any one of a tilting rotation and a rotating rotation to set directionality of the antenna device and having a rear end inserted and fixed into an opened upper end of the support pole, an insertion-type clamping unit disposed inside the opened upper end of the support pole and configured to mediate the fixed insertion of the antenna clamping unit, the insertion-type clamping unit being pressed and fixed to an inner peripheral surface of the support pole, and a support bracket unit fixedly disposed on an outer peripheral surface of the support pole and configured to fixedly support a lower end of the antenna clamping unit, thereby providing an advantage of improving workability for an onsite installer.

First claim

The invention claimed is:

1. An antenna clamping device comprising:
an antenna clamping unit having a tip portion on which an antenna device is mounted, the antenna clamping unit being configured to perform at least any one of a tilting rotation and a rotating rotation to set directionality of the antenna device and having a rear end fixedly inserted into an opened upper end of a support pole;
an insertion-type clamping unit disposed inside the opened upper end of the support pole and configured to mediate the fixed insertion of the antenna clamping unit, the insertion-type clamping unit being pressed and fixed to an inner peripheral surface of the support pole; and
a support bracket unit fixedly disposed on an outer peripheral surface of the support pole and configured to fixedly support a lower end of the antenna clamping unit.

2. The antenna clamping device of claim 1 , wherein the insertion-type clamping unit comprises:
a clamping body fixedly inserted into and caught by the opened upper end of the support pole and having a hollow internal space divided into an upper space and a lower space by a partition plate;
a fixing bolt configured to penetrate the internal space of the clamping body in an upward/downward direction; and
a pair of locking pressing pieces configured to fix the clamping body by pressing the inner peripheral surface of the support pole in conjunction with a rotational operation of the fixing bolt.

3. The antenna clamping device of claim 2 , wherein the insertion-type clamping unit further comprises a fixing nut fitted with an outer peripheral surface of the fixing bolt and configured to rotate the fixing bolt over the upper and lower spaces of the clamping body upward or downward depending on a rotation direction thereof.

4. The antenna clamping device of claim 3 , wherein the fixing nut is fitted with the outer peripheral surface of the fixing bolt positioned in the upper space, and the fixing nut is supported on and fastened to an upper surface of the partition plate.

5. The antenna clamping device of claim 2 , wherein the pair of locking pressing pieces is positioned in the lower space of the internal space of the clamping body, and a pair of through portions is formed in the clamping body and opened so that the pair of locking pressing pieces moves in a horizontal direction and comes into contact with the inner peripheral surface of the support pole.

6. The antenna clamping device of claim 5 , wherein outer surfaces of the pair of locking pressing pieces, which are in contact with the inner peripheral surface of the support pole, are serrated to increase a contact force.

7. The antenna clamping device of claim 2 , wherein the insertion-type clamping unit further comprises a lift piece fitted with an outer periphery of a lower end of the fixing bolt positioned in the lower space of the internal space of the clamping body, the lift piece being configured to operate in conjunction with the fixing bolt.

8. The antenna clamping device of claim 7 , wherein the lift piece is fitted with the outer periphery of the lower end of the fixing bolt positioned in the lower space of the internal space of the clamping body, and the lift piece is supported and caught by a bolt head portion having a diameter relatively larger than a diameter of the fixing bolt.

9. The antenna clamping device of claim 7 , wherein an outer surface of the lift piece is inclined upward, inner surfaces of the pair of locking pressing pieces are inclined in parallel with the outer surface of the lift piece, and outer surfaces of the pair of locking pressing pieces are formed as curved surfaces parallel to the inner peripheral surface of the support pole.

10. The antenna clamping device of claim 7 , wherein the lower space of the internal space of the clamping body is shielded by a lower plate, and a pair of guide ribs is provided on the lower plate and guides upward and downward movements of the lift piece that is moved upward or downward by a movement of the fixing bolt in the upward/downward direction.

11. The antenna clamping device of claim 10 , wherein upper surfaces of the pair of locking pressing pieces are in close contact with a lower surface of the partition plate, lower surfaces of the pair of locking pressing pieces are supported on an upper surface of the lower plate, and the pair of locking pressing pieces is movable in a horizontal direction between the partition plate and the lower plate depending on an upward or downward movement of the lift piece.

12. The antenna clamping device of claim 2 , wherein a catching flange is formed at an upper end of the clamping body and extends radially outward to have an outer diameter larger than an inner diameter of the upper end of the support pole, and a lower friction ring pad is further provided on an upper surface of the catching flange and generates a frictional force with a part of a lower surface of the rear end of the antenna clamping unit.

13. The antenna clamping device of claim 12 , wherein an upper friction ring pad is further provided at the rear end of the antenna clamping unit and generates a frictional force while being in surface contact with the lower friction ring pad of the clamping body.

14. The antenna clamping device of claim 12 , wherein a mounting shaft is provided at the rear end of the antenna clamping unit and has a mounting groove recessed downward, and the antenna clamping unit is fixed as the mounting shaft is inserted into the upper space of the internal space of the clamping body.

15. The antenna clamping device of claim 14 , wherein an upper end of the fixing bolt is fastened inside the mounting groove by bolting while penetrating the mounting shaft.

16. The antenna clamping device of claim 1 , wherein a bolting fastening portion is provided at the rear end of the antenna clamping unit and fastened to the support bracket unit by bolting.

17. The antenna clamping device of claim 16 , wherein the support bracket unit comprises:
a fastening plate disposed at one outer peripheral side of the support pole and elongated in an upward/downward direction;
a U-shaped bolt configured to penetrate U-shaped bolt fastening holes formed in the fastening plate, the U-shaped bolt being coupled to the other outer periphery side of the support pole while surrounding the outer peripheral surface of the support pole; and
a close-contact plate extending upward from the fastening plate and being in close contact with the bolting fastening portion of the antenna clamping unit.

18. The antenna clamping device of claim 17 , wherein the antenna clamping unit is fixed by at least one fixing bolt that penetrates the close-contact plate and is fastened to the bolting fastening portion.

19. The antenna clamping device of claim 17 , wherein the fastening plate and the close-contact plate are positioned at a position at which the bolting fastening portion and the close-contact plate face each other when the antenna insertion-type clamping unit is inserted and supported in an internal space of the clamping body fixed to the upper end of the support pole.

20. An antenna clamping device comprising:
an antenna clamping unit having a tip portion on which an antenna device is mounted, the antenna clamping unit being configured to perform at least any one of a tilting rotation and a rotating rotation to set directionality of the antenna device and having a rear end inserted and fixed into an opened upper end of a support pole; and
an insertion-type clamping unit disposed inside the opened u

Assignees

• Kmw Inc

Inventors

• Kim In Ho
• Han Yong Hee

Classifications

• F16M13/02

  for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle · CPC title

• H01Q1/246

  specially adapted for base stations · CPC title

• H01Q1/1242

  Rigid masts specially adapted for supporting an aerial · CPC title

• Y02D30/70

  in wireless communication networks · CPC title

• H01Q1/1228 Primary

  on a boom · CPC title