CN216251137U

CN216251137U - Dual-frequency dual-polarization indoor omnidirectional antenna structure

Info

Publication number: CN216251137U
Application number: CN202122854858.2U
Authority: CN
Inventors: 李威; 周峰
Original assignee: Nanjing Huaibo Electronic Technology Co ltd
Current assignee: Nanjing Huaibo Electronic Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-08
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a dual-frequency dual-polarization indoor omnidirectional antenna structure, and relates to the technical field of antennas. The device includes the antenna, and the lower fixed surface of antenna installs the connector, and the inside of connector is equipped with the cable, and the joint is installed to the one end of cable, and two sets of connecting blocks of the lower surface mounting of antenna are located the both sides of connector respectively. This omnidirectional antenna structure is when using, through the inside of passing through the connecting block with the one end of cable, then make the one end of cable be located the loading board, rotate the threaded rod after that for the threaded rod drives gear and then rotates, make the pinion rack adjust the angle between loading board and the connecting block under the meshing effect with the gear, and then carry out the tensioning operation to the one end of cable, in order to prevent that the cable overlength from causing the condition of drooping, and then it is not hard up to reduce the equipment wiring department that the cable drooping caused to appear.

Description

Dual-frequency dual-polarization indoor omnidirectional antenna structure

Technical Field

The utility model relates to the technical field of antennas, in particular to a dual-frequency dual-polarization indoor omnidirectional antenna structure.

Background

The omnidirectional antenna has a wave beam with a certain width in the vertical direction, has the advantage of uniform radiation in the horizontal direction at 360 degrees, is usually installed on a ceiling or a suspended ceiling when being installed indoors, occupies a small space and has a wide radiation angle, the problem of multipath fading can be effectively solved, the number of the antennas can be reduced, and the cost of the antennas can be reduced.

Currently, in a mobile communication indoor distribution system, the types of antennas mainly include: the ceiling antenna is inhaled to qxcomm technology, the hanging antenna, directional ceiling antenna and log cycle antenna, the wide application of ceiling antenna is inhaled to qxcomm technology in communication system, current ceiling antenna all is fixed on the ceiling through the erection column and the nut of line of middle part wiring, but antenna equipment surface mounting's cable is when being connected between other equipment, the condition of cable overlength probably appears, thereby cause the cable to drop at will, and then make the cable droop gradually under long-time the use, make cause equipment wiring department to appear not hard up condition under the action of gravity, lead to influencing antenna equipment's normal use, and the antenna of placing at will influences the whole of the inside cable of ceiling and place, make the later stage inconvenient dismantlement when the inspection maintenance, to above-mentioned condition, we propose a dual-frenquence double polarization indoor antenna structure.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model discloses a dual-frequency dual-polarization indoor omnidirectional antenna structure, which aims to solve the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: a dual-band dual-polarized indoor omni-directional antenna structure, comprising:

the antenna comprises an antenna, wherein a connector is fixedly installed on the lower surface of the antenna, a nut plate is sleeved on the outer surface of the connector in a threaded manner, a cable is assembled inside the connector, a joint is fixedly installed at one end, away from the connector, of the cable, connecting blocks are fixedly installed on the lower surface of the antenna, and the two groups of connecting blocks are respectively located on two sides of the connector;

the tensioning mechanism is installed in the connecting block and comprises a gear and a toothed plate, a bearing plate is connected to one side of the connecting block in a rotating mode, one end of the toothed plate is movably hinged to one side of the bearing plate, the other end of the toothed plate is connected to the inside of the connecting block in a sliding mode, and one end of the toothed plate, located inside the connecting block, is meshed with the gear.

Preferably, the inside of connecting block rotates and is connected with the connecting rod, the one end fixed connection of loading board is at the surface of connecting rod.

Preferably, the tensioning mechanism further comprises a threaded rod, the threaded rod is rotatably connected to one side of the connecting block, and the gear is fixedly sleeved on the outer surface of one end, extending to the inside of the connecting block, of the threaded rod.

Preferably, one side of the inside of the bearing plate is rotatably connected with a movable rod, and one end of the toothed plate is fixedly arranged on the side face of one end of the movable rod.

Preferably, an arc-shaped groove is formed in one end of the bearing plate, and one end of the cable is located inside the arc-shaped groove.

Preferably, a connecting groove is formed in one end side face of the bearing plate, an arc-shaped pressing plate is connected to the inside of the connecting groove in a sliding mode, and one end of the arc-shaped pressing plate is movably abutted to the outer surface of the cable inside the arc-shaped groove.

Preferably, a telescopic rod is fixedly installed between the lower surface of the arc-shaped pressing plate and the inner bottom of the connecting groove, and a telescopic spring is movably sleeved on the outer surface of the telescopic rod.

The utility model discloses a dual-frequency dual-polarization indoor omnidirectional antenna structure, which has the following beneficial effects:

1. this indoor omnidirectional antenna structure of dual-frenquency dual polarization is when using, through the inside with the one end of cable through the connecting block, then make the one end of cable be located the loading board, rotate the threaded rod after that, make the threaded rod drive gear and then rotate, make the pinion rack adjust the angle between loading board and the connecting block under the meshing effect with the gear, and then carry out the tensioning operation to the one end of cable, in order to prevent that the cable overlength from causing the condition of drooping, and then it is not hard up to reduce the equipment wiring department that the cable drooping caused to appear.

2. This indoor omnidirectional antenna structure of dual-frenquency dual polarization is when using, and when the one end of cable was located the upper surface of loading board, its one end was in being located the arc wall that loading board one end was seted up, then through expanding spring's elastic action for the arc end of arc clamp plate offsets with the surface of cable all the time, and then makes the one end of cable spacing fixed on the loading board, so that the cable can not squint at will when adjusting the tensioning degree of cable, convenient operation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a sectional view showing the internal structure of the connecting block according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the outer surface structure of the arc-shaped platen according to the present invention;

fig. 5 is an exploded view of the internal structure of the arc-shaped pressing plate of the utility model.

In the figure: 1. an antenna; 2. a connector; 3. a nut plate; 4. a cable; 5. a joint; 6. connecting blocks; 7. a connecting rod; 8. a carrier plate; 801. an arc-shaped slot; 9. a tensioning mechanism; 901. a threaded rod; 902. a gear; 903. a toothed plate; 10. a movable rod; 11. an arc-shaped pressing plate; 12. a telescopic rod; 13. a telescoping spring.

Detailed Description

The embodiment of the utility model discloses a dual-frequency dual-polarization indoor omnidirectional antenna structure, which comprises an antenna 1, wherein a connector 2 is fixedly arranged on the lower surface of the antenna 1, a nut plate 3 is sleeved on the outer surface of the connector 2 in a threaded manner, a cable 4 is assembled in the connector 2, a connector 5 is fixedly arranged at one end, away from the connector 2, of the cable 4, connecting blocks 6 are fixedly arranged on the lower surface of the antenna 1, the two groups of connecting blocks 6 are respectively positioned on two sides of the connector 2, a connecting rod 7 is rotatably connected in the connecting block 6, one end of a bearing plate 8 is fixedly connected to the outer surface of the connecting rod 7, and one end of the cable 4 passes through the inside of the connecting block 6, so that the bearing plate 8 arranged in the connecting block 6 can resist the tensioning length of the cable 4, and the cable 4 is prevented from falling.

According to the attached drawings 2-3, the device comprises a tensioning mechanism 9, the tensioning mechanism 9 is installed inside a connecting block 6, the tensioning mechanism 9 comprises a gear 902 and a toothed plate 903, one side of the connecting block 6 is rotatably connected with a bearing plate 8, one end of the toothed plate 903 is movably hinged on one side of the bearing plate 8, the other end of the toothed plate 903 is slidably connected inside the connecting block 6, one end of the toothed plate 903, which is located inside the connecting block 6, is meshed with the gear 902, the tensioning mechanism 9 further comprises a threaded rod 901, the threaded rod 901 is rotatably connected on one side of the connecting block 6, the gear 902 is fixedly sleeved on the outer surface of one end, which extends to the inside of the connecting block 6, through the meshing action between the gear 902 and the toothed plate 903, the angle between the bearing plate 8 and the connecting block 6 is changed, and further the tensioning degree of the cable 4 is adjusted.

According to the attached drawings 4-5, one side of the inside of the bearing plate 8 in the device is rotatably connected with a movable rod 10, one end of a toothed plate 903 is fixedly installed on one end side of the movable rod 10, an arc-shaped groove 801 is formed in one end of the bearing plate 8, one end of a cable 4 is located inside the arc-shaped groove 801, a connecting groove is formed in one end side of the bearing plate 8, an arc-shaped pressing plate 11 is slidably connected inside the connecting groove, one end of the arc-shaped pressing plate 11 is movably abutted to the outer surface of the cable 4 inside the arc-shaped groove 801, one end of the cable 4 is placed inside the arc-shaped groove 801, the arc-shaped end of the arc-shaped pressing plate 11 is immediately abutted to the outer surface of the cable 4, and one end of the cable 4 is limited inside the bearing plate 8.

According to the attached drawing 5, a telescopic rod 12 is fixedly installed between the lower surface of an arc-shaped pressing plate 11 and the inner bottom of a connecting groove in the device, an expansion spring 13 is sleeved on the outer surface of the telescopic rod 12 in a movable mode, the distance between the arc-shaped pressing plate 11 and a bearing plate 8 is conveniently adjusted through the elastic action of the expansion spring 13, and therefore the arc-shaped pressing plate 11 is convenient to limit and fix cables 4 with different diameters.

The working principle is as follows:

this indoor omnidirectional antenna of dual-frenquency 1 structure of dual polarization is when using, at first passes through the inside of connecting block 6 with the cable 4 of antenna 1 structure internally mounted, then upwards stimulates arc clamp plate 11 for the inside of arc groove 801 is kept away from to the one end of arc clamp plate 11, and then makes the inside of arc groove 801 is passed through to the one end of cable 4, is releasing arc clamp plate 11 afterwards, makes arc clamp plate 11 offset with the surface of cable 4 under the spring action of expanding spring 13.

Further, the cable 4 is connected to the equipment through the connector 5 at one end inside the connector block 6, and then when the connector 5 is installed inside the equipment, the tension mechanism 9 is controlled according to the length of the cable 4.

Further, when the length of cable 4 is longer, the threaded rod 901 on one side of connecting block 6 is rotated at this moment, so that the threaded rod 901 drives the gear 902 and then rotates, the toothed plate 903 pushes the bearing plate 8 to rotate in the direction close to the connecting block 6 under the meshing action with the gear 902, and then the angle between the bearing plate 8 and the connecting block 6 becomes smaller gradually, and then the one end of cable 4 is tensioned.

Finally, the antenna 1 is mounted on the surface of the ceiling through the nut assembly, and then the ceiling can be used.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A dual-band dual-polarized indoor omnidirectional antenna structure is characterized by comprising:

the antenna comprises an antenna (1), wherein a connector (2) is fixedly installed on the lower surface of the antenna (1), a nut plate (3) is sleeved on the outer surface of the connector (2) in a threaded manner, a cable (4) is assembled inside the connector (2), a joint (5) is fixedly installed at one end, far away from the connector (2), of the cable (4), connecting blocks (6) are fixedly installed on the lower surface of the antenna (1), and the two groups of connecting blocks (6) are respectively located on two sides of the connector (2);

straining device (9), straining device (9) are installed in the inside of connecting block (6), straining device (9) include gear (902) and pinion rack (903), one side of connecting block (6) is rotated and is connected with loading board (8), the one end activity of pinion rack (903) articulates in one side of loading board (8), the other end sliding connection of pinion rack (903) is in the inside of connecting block (6), mesh mutually between one end that pinion rack (903) is located the inside of connecting block (6) and gear (902).

2. The structure of claim 1, wherein the omni-directional antenna structure comprises: the inside of connecting block (6) rotates and is connected with connecting rod (7), the one end fixed connection of loading board (8) is in the surface of connecting rod (7).

3. The dual-band dual-polarized indoor omni-directional antenna structure of claim 2, wherein: the tensioning mechanism (9) further comprises a threaded rod (901), the threaded rod (901) is rotatably connected to one side of the connecting block (6), and the gear (902) is fixedly sleeved on the outer surface of one end, extending to the inside of the connecting block (6), of the threaded rod (901).

4. The dual-band dual-polarized indoor omni-directional antenna structure of claim 3, wherein: the bearing plate is characterized in that a movable rod (10) is rotatably connected to one side of the interior of the bearing plate (8), and one end of the toothed plate (903) is fixedly installed on one end side face of the movable rod (10).

5. The structure of claim 4, wherein the omni-directional antenna structure comprises: arc-shaped groove (801) have been seted up to the one end of loading board (8), the one end of cable (4) is located the inside of arc-shaped groove (801).

6. The dual-band dual-polarized indoor omni-directional antenna structure of claim 5, wherein: the cable support is characterized in that a connecting groove is formed in one end side face of the bearing plate (8), an arc-shaped pressing plate (11) is connected to the inside of the connecting groove in a sliding mode, and one end of the arc-shaped pressing plate (11) is movably abutted to the outer surface of the cable (4) inside the arc-shaped groove (801).

7. The structure of claim 6, wherein the omni-directional antenna structure comprises: a telescopic rod (12) is fixedly installed between the lower surface of the arc-shaped pressing plate (11) and the inner bottom of the connecting groove, and a telescopic spring (13) is movably sleeved on the outer surface of the telescopic rod (12).