CN219610723U

CN219610723U - Explosion-proof type book An Tianxian

Info

Publication number: CN219610723U
Application number: CN202222809150.XU
Authority: CN
Inventors: 刘建峰; 闾晖; 陈平; 贾晓波; 黄友胜
Original assignee: SHENZHEN SECFIRE TECHNOLOGY CO LTD
Current assignee: SHENZHEN SECFIRE TECHNOLOGY CO LTD
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-08-29
Anticipated expiration: 2032-10-24

Abstract

The utility model discloses an explosion-proof type intrinsic safety antenna, which comprises a mounting rod, wherein the middle part of the outer side of the mounting rod is fixedly connected with a yagi antenna body through a mounting bolt, and the top and the bottom of the yagi antenna body are symmetrically provided with first connecting plates.

Description

Explosion-proof type book An Tianxian

Technical Field

The utility model relates to an antenna, in particular to an explosion-proof type intrinsic safety antenna.

Background

An antenna is a transducer that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium (usually free space) or vice versa. A component for transmitting or receiving electromagnetic waves in a radio device. Engineering systems such as radio communication, broadcasting, television, radar, navigation, electronic countermeasure, remote sensing, radio astronomy and the like all rely on antennas to work when information is transmitted by electromagnetic waves. In addition, in terms of energy transfer with electromagnetic waves, an antenna is also required for energy radiation other than signals. The common antennas are reversible, i.e. the same pair of antennas can be used as both a transmitting antenna and a receiving antenna. The same antenna is the same as the basic characteristic parameters of transmission or reception, and includes a yagi antenna, a vehicle-mounted antenna, a broadcast antenna, a television antenna, and the like.

The existing yagi antenna is an antenna with longer specification and is composed of a director and an active oscillator, meanwhile, the general yagi antenna is generally horizontally placed on the mounting rod and is fixed with the mounting rod only through one end of the yagi antenna, when the yagi antenna encounters severe weather, the yagi antenna is unstable to be connected with the mounting rod, the weight of the yagi antenna is added, and the yagi antenna is easy to drop only by a single fixing mode, so that certain potential safety hazards exist.

Disclosure of Invention

The utility model aims to provide an explosion-proof type intrinsic safety antenna so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an explosion-proof type intrinsic safety antenna, includes the installation pole, the middle part in the installation pole outside is through the installation bolt fixedly connected with yagi antenna body, the top and the bottom of yagi antenna body are all symmetry provided with first connecting plate, every two one side of first connecting plate alternates and is connected with first connecting axle, the outside of first connecting axle rotates and is connected with mechanical telescopic link, the screw hole has been seted up to mechanical telescopic link's one end, mechanical telescopic link's the other end alternates and is connected with the second connecting axle, the equal fixedly connected with second connecting plate in both ends of second connecting axle, two of them one side of second connecting plate is connected with one side laminating of installation pole, yagi antenna body's top and bottom all are provided with the arc frame, the inner wall of arc frame alternates and is connected with the threaded rod, the one end and the inner wall threaded connection of screw hole of threaded rod, the other end fixedly connected with rotation post, the one end cover of rotation post is equipped with rotation cover, the outside fixedly connected with locating plate of rotation post, one side and one side laminating of locating plate are connected with the arc frame.

As still further aspects of the utility model: one side of each second connecting plate is connected with a positioning bolt in a penetrating mode, bolt positioning holes are uniformly distributed in the top and the bottom of each mounting rod, and the inner wall of each bolt positioning hole is in threaded connection with one end of each positioning bolt.

As still further aspects of the utility model: the outside of yagi antenna body adopts explosion-proof cement to wrap up and makes.

As still further aspects of the utility model: the arc-shaped groove is formed in one side of the arc-shaped frame, the sliding block is connected to the inner wall of the arc-shaped groove in a sliding mode, the fixing shaft is fixedly connected to the outer side of the sliding block, the connecting rod is connected to the outer side of the fixing shaft in a rotating mode, the fixing ring is fixedly connected to one end of the connecting rod, and the inner wall of the fixing ring is connected to the outer side of the rotating column in an penetrating mode.

As still further aspects of the utility model: the material of the rotating sleeve is made of rubber material.

As still further aspects of the utility model: the size of the rotating sleeve is larger than that of the fixing ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up mechanical telescopic link, the fixed plate, the threaded rod, make the yagi antenna installation more firm, the staff is when assembling yagi antenna body and installation pole, after the preliminary fixed with the installation bolt, through rotating the cover, thereby make the threaded rod rotate from the inner wall of screw hole and go out, simultaneously the threaded rod moves to one side, then drive locating plate and arc frame separation, then the staff can rotate two mechanical telescopic links and stretch out and draw back, and adjust to suitable angle back, correspond the position of back with locating bolt and bolt locating hole on the second connecting plate, reuse the locating bolt with the position of mechanical telescopic link fixed, then the staff is reverse rotation cover again, thereby make the threaded rod get into behind the screw hole, locating plate and arc frame laminating, thereby fix the angle of mechanical telescopic link, thereby make two mechanical telescopic links carry out the triangle stability support respectively from the top and the bottom of yagi antenna body, thereby make the yagi antenna body more firm after installing, avoid leading to the fact the potential safety hazard that the yagi antenna body produced to drop by traditional single fixed mode.

2. Through retainer plate, slider, the connecting rod that sets up for the threaded rod and rotation post avoid dropping, when the threaded rod carries out screw thread rotation one, the retainer plate then is spacing to the rotation post, and the locating plate moves to the outside simultaneously and contacts with the retainer plate, and receives the blocking of retainer plate, thereby makes the threaded rod and rotate unable dropping.

Drawings

Fig. 1 is a schematic structural diagram of an explosion-proof intrinsic safety antenna.

Fig. 2 is a schematic diagram of a second connection board structure in the explosion-proof type intrinsic safety antenna.

Fig. 3 is an enlarged schematic view of the structure of the explosion-proof intrinsic safety antenna at a position a in fig. 2.

1. A mounting rod; 2. a yagi antenna body; 3. a first connection plate; 4. a mechanical telescopic rod; 5. a second connecting plate; 6. a threaded rod; 7. an arc-shaped frame; 8. rotating the column; 9. an arc-shaped groove; 10. a slide block; 11. a connecting rod; 12. a bolt positioning hole; 13. a fixing ring; 14. a first connecting shaft; 15. a second connecting shaft; 16. and (5) positioning the plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The utility model provides an explosion-proof type intrinsic safety antenna, including installation pole 1, the middle part in the installation pole 1 outside is through installation bolt fixedly connected with yagi antenna body 2, the top and the bottom of yagi antenna body 2 are all symmetry and are provided with first connecting plate 3, one side of every two first connecting plates 3 alternates and is connected with first connecting axle 14, the outside of first connecting axle 14 rotates and is connected with mechanical telescopic handle 4, the screw hole has been seted up to one end of mechanical telescopic handle 4, the other end of mechanical telescopic handle 4 alternates and is connected with second connecting axle 15, the equal fixedly connected with second connecting plate 5 in both ends of second connecting axle 15, one side of two second connecting plates 5 is connected with one side laminating of installation pole 1, the top and the bottom of yagi antenna body 2 all are provided with arc frame 7, the inner wall of arc frame 7 alternates and is connected with threaded rod 6, the one end and the inner wall threaded connection of screw hole of threaded rod 6, the other end fixedly connected with rotation post 8 of threaded rod 8, the one end cover of rotation post 8 is equipped with rotation sleeve, the outside fixedly connected with locating plate 16, one side of locating plate 16 is connected with one side laminating of arc frame 7.

Meanwhile, the outer side of the yagi antenna body 2 is wrapped by explosion-proof cement, and the size of the rotating sleeve is larger than that of the fixing ring.

In addition, one side of the two second connecting plates 5 is connected with positioning bolts in a penetrating way, bolt positioning holes 12 are uniformly distributed at the top and the bottom of the installation rod 1, and the inner wall of each bolt positioning hole 12 is in threaded connection with one end of each positioning bolt.

Example two

An explosion-proof type intrinsically safe antenna, arc wall 9 has been seted up to one side of arc frame 7, and the inner wall sliding connection of arc wall 9 has slider 10, and the outside fixedly connected with fixed axle of slider 10, the outside rotation of fixed axle are connected with connecting rod 11, and the one end fixedly connected with retainer plate 13 of connecting rod 11, the inner wall of retainer plate 13 and the outside interlude of spliced pole 8 are connected.

The working principle of the utility model is as follows:

when the utility model is used, when a worker assembles the yagi antenna body 2 and the mounting rod 1, the mounting bolt is utilized to preliminarily fix, the rotating sleeve is rotated, so that the threaded rod 6 rotates from the inner wall of the threaded hole, meanwhile, the threaded rod 6 moves to one side, the positioning plate 16 is driven to be separated from the arc frame 7, the worker can rotate and stretch the two mechanical telescopic rods 4 and adjust the two mechanical telescopic rods to a proper angle, after the positioning bolt on the second connecting plate 5 corresponds to the position of the bolt positioning hole 12, the positioning bolt is utilized to fix the position of the mechanical telescopic rods 4, the worker reversely rotates the rotating sleeve, so that the threaded rod 6 enters the threaded hole, the positioning plate 16 is attached to the arc frame 7, and the angle of the mechanical telescopic rods 4 is fixed, so that the two mechanical telescopic rods 4 are respectively supported in a triangular stable manner from the top and the bottom of the yagi antenna body 2, the yagi antenna body 2 is firmer after being mounted, and the potential safety hazard caused by the traditional single fixing mode is avoided.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides an explosion-proof type ann antenna, includes installation pole (1), its characterized in that: the utility model discloses a location post, including installation pole (1), including installation pole (4), first connecting plate (3), threaded rod (6), locating sleeve (16) and locating sleeve (16), locating sleeve (16) are located in the middle part in installation pole (1) outside is through installation bolt fixedly connected with yagi antenna body (2), the equal symmetry in top and bottom of yagi antenna body (2) is provided with first connecting plate (3), every two one side of first connecting plate (3) alternates and is connected with first connecting axle (14), the outside of first connecting axle (14) rotates and is connected with mechanical telescopic link (4), threaded hole has been seted up to the one end of mechanical telescopic link (4), the other end of mechanical telescopic link (4) alternates and is connected with second connecting axle (15), the equal fixedly connected with second connecting plate (5) in both ends of second connecting axle (15), one side of second connecting plate (5) is connected with one side laminating of installation pole (1), the top and the bottom of yagi antenna body (2) all are provided with arc frame (7), the inner wall of arc frame (7) is connected with threaded rod (6), the one end of threaded rod (6) alternates with the inner wall threaded connection of threaded rod (6), the other end of threaded rod (6), other end fixedly connected with rotating sleeve (8), locating sleeve (16) is equipped with one side of rotating post (16).

2. An explosion-proof intrinsic safety antenna as claimed in claim 1, wherein: one side of each second connecting plate (5) is connected with a positioning bolt in a penetrating mode, bolt positioning holes (12) are uniformly distributed in the top and the bottom of each mounting rod (1), and the inner wall of each bolt positioning hole (12) is in threaded connection with one end of each positioning bolt.

3. An explosion-proof intrinsic safety antenna as claimed in claim 1, wherein: the outside of yagi antenna body (2) adopts explosion-proof daub parcel to make.

4. An explosion-proof intrinsic safety antenna as claimed in claim 1, wherein: an arc groove (9) is formed in one side of the arc frame (7), a sliding block (10) is connected to the inner wall of the arc groove (9) in a sliding mode, a fixed shaft is fixedly connected to the outer side of the sliding block (10), a connecting rod (11) is connected to the outer side of the fixed shaft in a rotating mode, a fixing ring (13) is fixedly connected to one end of the connecting rod (11), and the inner wall of the fixing ring (13) is connected to the outer side of the rotating column (8) in an penetrating mode.

5. An explosion-proof intrinsic safety antenna as claimed in claim 1, wherein: the material of the rotating sleeve is made of rubber material.

6. An explosion-proof intrinsic safety antenna as claimed in claim 1, wherein: the size of the rotating sleeve is larger than that of the fixed ring (13).