CN210074158U

CN210074158U - Base station antenna isolation structure

Info

Publication number: CN210074158U
Application number: CN201921073937.6U
Authority: CN
Inventors: 付聪; 岳彩龙; 方铁勇
Original assignee: Tongyu Communication Inc
Current assignee: Tongyu Communication Inc
Priority date: 2019-07-10
Filing date: 2019-07-10
Publication date: 2020-02-14
Anticipated expiration: 2029-07-10

Abstract

The utility model discloses a base station antenna isolation structure, this base station antenna isolation structure includes the spacer, block structure and parting strip, the block structure includes the block body and from the first elasticity cramp piece and the second elasticity cramp piece of this body end syntropy extension of block, first elasticity cramp piece and second elasticity cramp piece form the interval on the thickness direction of block body, the spacer is fixed in between the interval that first elasticity cramp piece and second elasticity cramp piece formed, the thickness direction protrusion along the block body sets up the fixed column on the first elasticity cramp piece, and the spacer block is on the fixed column, the block body inwards caves in with the other end relative with first elasticity cramp piece and forms the mounting groove, the mounting groove sets up the buckle along the thickness direction protrusion of block body, the parting strip inlays and locates in the mounting groove and buckle joint. The utility model discloses a base station antenna isolation structure's parting strip and spacing block assembly are simple and easy, and assembly efficiency is high.

Description

Base station antenna isolation structure

Technical Field

The utility model relates to a communication base station antenna technical field especially relates to a base station antenna isolation structure.

Background

The high-density network of the base station antenna puts forward higher technical index requirements on beam wave forming and space diversity, so that the arrangement of antenna array elements is required to be more compact, and more antenna units can be accommodated to comprehensively meet various index requirements of gain and directional patterns under the condition that the size of the base station antenna is not changed or even reduced. To meet this requirement, the isolation device of the base station antenna plays a very important role, and the isolation device of the base station antenna is mainly used for amplifying the resonant electric field, so that the resonant electric field and the incident electric field are mutually offset, and the isolation degree of the antenna is improved.

In the related art, as shown in fig. 1, fig. 1 is a structural view of a conventional isolator device. The isolating device mainly comprises an isolating sheet 10, an isolating strip 20 and a fixing sheet 30 for fixing the isolating strip 20 on the isolating sheet 10, wherein the fixing sheet 30 and the isolating strip 20, and the fixing sheet 30 and the isolating sheet 10 are fixed through rivets 40, and the structure is complex in assembly and low in assembly efficiency.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an embodiment of the utility model provides a desire provides a simple reliable, the efficient base station antenna isolation structure of assembly.

The technical scheme of the utility model is realized like this:

a base station antenna isolation structure comprises an isolation sheet, a clamping structure and an isolation strip, wherein the clamping structure comprises a clamping body, a first elastic clamping sheet and a second elastic clamping sheet which extend from the end part of the clamping body in the same direction, the first elastic clamping piece and the second elastic clamping piece form an interval in the thickness direction of the clamping body, the spacer is fixed between the interval formed by the first elastic clamping piece and the second elastic clamping piece, the first elastic clamping sheet is convexly provided with a fixing column along the thickness direction of the clamping body, the isolating sheet is clamped on the fixing column, the other end of the clamping body opposite to the first elastic clamping sheet is inwards sunken to form an installation groove, the mounting groove is followed the thickness direction protrusion of block body sets up the buckle, the parting bead inlays to be located in the mounting groove with the buckle joint.

Preferably, the first elastic clamping piece includes a body portion and an elastic piece, the body portion is provided with an assembly hole, the elastic piece is mounted in the assembly hole and connected with the body portion, the fixing column is disposed on the elastic piece and is far away from one end of a connection portion of the elastic piece and the body portion, and the fixing column protrudes toward the second elastic clamping piece.

Preferably, an end face of the fixing column is disposed in an inclined manner, and a height of the end face is gradually increased from a position close to a connection position between the elastic piece and the body portion to a direction away from the connection position between the elastic piece and the body portion.

Preferably, the clamping body is provided with a material removing hole, and the material removing hole is formed between the mounting groove and the first elastic clamping piece and between the material removing hole and the second elastic clamping piece.

Preferably, the number of the second elastic clamping pieces is two, and the two second elastic clamping pieces are respectively arranged at two sides of the first elastic clamping piece at intervals.

Preferably, the back of the clamping body is provided with a reinforcing rib, and the reinforcing rib is connected with the clamping body and the second elastic clamping piece.

Preferably, the isolating strip is provided with a mounting hole, and the buckle is inserted into the mounting hole and fixed with the isolating strip.

Preferably, the mounting groove is formed along a longitudinal direction of the engaging body.

Preferably, the engaging structure is formed by integral injection molding.

Preferably, one end of the first elastic clamping piece, which is far away from the main body, is provided with a first inclined surface, the first inclined surface is arranged near the second elastic clamping piece, one end of the second elastic clamping piece, which is far away from the main body, is provided with a second inclined surface, and the second inclined surface is arranged near the first elastic clamping piece.

The embodiment of the utility model provides a base station antenna isolation structure is through setting up first elasticity clamping piece and second elasticity clamping piece on block body, first elasticity clamping piece with the second elasticity piece forms the interval, and further set up the fixed column on the first elasticity clamping piece, during the assembly, only need directly insert the spacer between the interval that first elasticity clamping piece and the second elasticity clamping piece formed, make the assembly of spacer simple and convenient, assembly efficiency is high; through set up the mounting groove on the block body to set up the buckle in the mounting groove, make the parting strip can be fixed through the buckle, the assembly is simple and convenient, assembly efficiency is high.

Drawings

FIG. 1 is a schematic diagram of a prior art isolation device;

fig. 2 is an exploded view of the isolation structure of the base station antenna provided by the present invention;

FIG. 3 is an assembly view of the base station antenna isolation structure shown in FIG. 2;

FIG. 4 is a schematic view of another angle of the isolation structure of the base station antenna shown in FIG. 3;

fig. 5 is a schematic structural view of another angle of the engaging structure shown in fig. 2.

Detailed Description

In order to illustrate embodiments of the present invention or technical solutions in the prior art more clearly, the following description will be made in conjunction with the accompanying drawings in embodiments of the present invention to describe the technical solutions in the embodiments of the present invention clearly and completely, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 2, which is an exploded view of the isolation structure of the base station antenna according to the present invention. The base station antenna isolation structure comprises an isolation sheet 1, a clamping structure 3 and an isolation strip 5, wherein the isolation sheet 1 and the isolation strip 5 are respectively clamped on the clamping structure 3.

Please refer to fig. 3, which is an assembly diagram of the base station antenna isolation structure shown in fig. 2. The engaging structure 3 includes an engaging body 31, and a first elastic clamping piece 33 and a second elastic clamping piece 35 extending from an end of the engaging body 31 in the same direction. The first elastic holding piece 33 and the second elastic holding piece 35 form a gap in the thickness direction of the engaging body 31, and the spacer 1 is fixed between the gaps formed by the first elastic holding piece 33 and the second elastic holding piece 35.

Referring to fig. 4, fig. 4 is a schematic structural view of another angle of the base station antenna isolation structure shown in fig. 3. The other end of the clamping body 31 opposite to the first elastic clamping piece 33 is recessed inwards to form a mounting groove 311, the mounting groove 311 is arranged along the length direction of the clamping body 31, the mounting groove 311 is provided with a buckle 317 protruding along the thickness direction of the clamping body, a mounting hole is formed in the isolating strip 5, and the buckle 317 is inserted into the mounting hole and fixed to the isolating strip 5. Specifically, buckle 317 is two lamella buckles, during 5 assemblings of division bar, will division bar 5 impresses buckle 317, the buckle takes place to extrude and warp toward middle position, division bar 5 with buckle 317 joint, the assembly is simple, assembly efficiency is high.

Please refer to fig. 5, which is a schematic structural view of the engaging structure shown in fig. 2 at another angle. The first elastic clamping piece 33 includes a body 331 and an elastic piece 333, the body 331 is provided with an assembly hole 332, the elastic piece 333 is mounted in the assembly hole 332 and connected to the body 331, a fixing post 337 is protruded from the first elastic clamping piece 33 along a thickness direction of the engaging body 31, specifically, the fixing post 337 is disposed on the elastic piece 333 and is away from one end of a connection portion between the elastic piece 333 and the body 331, and the fixing post 337 protrudes toward the second elastic clamping piece 35. The spacer 1 is embedded between the first elastic clamping piece 33 and the second elastic clamping piece 35, and directly clamped on the fixing column 337 to fix the spacer 1 without fixing by bolts or rivets, so that the assembly is simple and easy, and the assembly efficiency is high.

As shown in fig. 5, a first inclined surface 335 is provided at an end of the first elastic clamping piece 33 away from the body portion 331, and the first inclined surface 335 is provided near the second elastic clamping piece 35. As shown in fig. 1, a second inclined surface 351 is formed at an end of the second elastic clamping piece 35 away from the body 331, and the second inclined surface 351 is formed adjacent to the first elastic clamping piece 33, so that a guide angle is formed between the first inclined surface 335 and the second inclined surface 351, thereby facilitating insertion of the spacer 1 and facilitating assembly.

Moreover, the end surface of the fixing post 337 is disposed to be inclined, and the height of the end surface 3371 is gradually increased from a position close to the connection between the elastic piece 333 and the main body 331 to a position away from the connection between the elastic piece 333 and the main body 331, so that the spacer 1 can be more conveniently slid into the fixing post 337 by the end surface 3371 of the fixing post 337 when the spacer 1 is assembled from the bottom by the first inclined surface 335 and the second inclined surface 351.

Specifically, the number of the second elastic clamping pieces 35 is two, and the second elastic clamping pieces 35 are respectively arranged on the two sides of the first elastic clamping piece 33 at intervals, so that the spacer 1 is in multipoint contact with the first elastic clamping piece 33 and the second elastic clamping piece 35, and the assembly fixing effect is further improved.

Preferably, the engaging body 31 is provided with a material removing hole 313, and the material removing hole 313 is disposed between the mounting groove 311 and the first and second

elastic clamping pieces

33 and 35. The material removing hole 313 is formed to reduce the material consumption of the clamping body 31 so as to reduce the cost.

Preferably, a rib 315 is disposed on the back surface of the engaging body 31, and the rib 315 connects the engaging body 31 and the second elastic clamping piece 35 to increase the strength of the second elastic clamping piece 35.

Specifically, in the present embodiment, the engaging structure 3 is formed by integral injection molding.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A base station antenna isolation structure is characterized in that the base station antenna isolation structure comprises an isolation sheet, a clamping structure and an isolation strip, the clamping structure comprises a clamping body, a first elastic clamping piece and a second elastic clamping piece which extend from the end part of the clamping body in the same direction, the first elastic clamping piece and the second elastic clamping piece form an interval in the thickness direction of the clamping body, the spacer is fixed between the interval formed by the first elastic clamping piece and the second elastic clamping piece, the first elastic clamping sheet is convexly provided with a fixing column along the thickness direction of the clamping body, the isolating sheet is clamped on the fixing column, the other end of the clamping body opposite to the first elastic clamping sheet is inwards sunken to form an installation groove, the mounting groove is followed the thickness direction protrusion of block body sets up the buckle, the parting bead inlays to be located in the mounting groove and with the buckle joint.

2. The base station antenna isolation structure of claim 1, wherein the first elastic clamping piece comprises a body portion and an elastic piece, the body portion is provided with a mounting hole, the elastic piece is mounted in the mounting hole and connected with the body portion, the fixing post is disposed on the elastic piece at an end far away from a connection point of the elastic piece and the body portion, and the fixing post protrudes toward the second elastic clamping piece.

3. The base station antenna isolation structure of claim 2, wherein the end surface of the fixing post is disposed obliquely, and the height of the end surface gradually increases from a position close to the connection between the elastic piece and the main body to a position away from the connection between the elastic piece and the main body.

4. The isolated structure of claim 1, wherein the engaging body defines a material removing hole, and the material removing hole is defined between the mounting groove and the first and second elastic clamping pieces.

5. The base station antenna isolation structure of claim 1, wherein there are two second elastic holding pieces, and the two second elastic holding pieces are respectively disposed at two sides of the first elastic holding piece at intervals.

6. The base station antenna isolation structure of claim 1, wherein a reinforcing rib is disposed on a back surface of the engaging body, and the reinforcing rib connects the engaging body and the second elastic clamping piece.

7. The base station antenna isolation structure of claim 1, wherein the isolation strip is provided with a mounting hole, and the buckle is inserted into the mounting hole and fixed to the isolation strip.

8. The base station antenna isolation structure of claim 1, wherein the mounting groove is disposed along a length direction of the engaging body.

9. The base station antenna isolation structure of claim 1, wherein the snap-fit structure is formed by integral injection molding.

10. The base station antenna isolation structure of claim 1, wherein an end of the first elastic clamping piece away from the body portion is provided with a first inclined surface, the first inclined surface is disposed close to the second elastic clamping piece, an end of the second elastic clamping piece away from the body portion is provided with a second inclined surface, and the second inclined surface is disposed close to the first elastic clamping piece.