CN215680972U

CN215680972U - Shielding device of external antenna

Info

Publication number: CN215680972U
Application number: CN202122071544.5U
Authority: CN
Inventors: 凌亲
Original assignee: Anhui Zhongping Technology Co ltd
Current assignee: Anhui Zhongping Technology Co ltd
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-28
Anticipated expiration: 2031-08-31

Abstract

The utility model discloses a shielding device of an external antenna, which comprises a shell and a sealing cover, wherein a supporting seat is fixedly connected in the shell, a shielding device body is installed on the supporting seat, threaded rods are inserted into four corners of the sealing cover in a penetrating manner, the bottom end of each threaded rod is rotatably connected with a supporting block, the bottom of each supporting block is fixedly connected with a limiting block, a positioning plate corresponding to the threaded rod is fixedly connected to the side wall of the shell, a limiting opening corresponding to the shape of the limiting block is formed in the positioning plate, two moving blocks are sleeved on the threaded rods in a threaded manner, and the threads in the two moving block threads are arranged in an opposite manner.

Description

Shielding device of external antenna

Technical Field

The utility model relates to the field of relevant products of shields, in particular to a shield of an external antenna.

Background

The signal shielding device mainly aims at places where mobile phones are forbidden, such as various examination rooms, schools, gas stations, churches, courtrooms, libraries, meeting rooms, movie theaters, hospitals, finance, prisons, public security, military heavy places and the like, only can shield mobile phone signals, does not affect other electronic equipment, selects an area needing to shield the mobile phone signals when in use, and places the signal shielding device on a desktop or a wall of the area, so that the signal shielding device is small in size and convenient to use.

But the most formula structures as an organic whole of external antenna's that have now, be difficult to carry out the dismouting, bring very big inconvenience for maintenance work, have certain defectiveness.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shielding device of an external antenna, which aims to solve the problems that the existing shielding device of the external antenna is mostly of an integrated structure, is difficult to assemble and disassemble and brings great inconvenience to maintenance work in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a shielding device of an external antenna comprises a shell and a sealing cover, wherein a supporting seat is fixedly connected in the shell, the supporting seat is provided with a shielding device body, four corners of the sealing cover are all inserted with threaded rods, the bottom end of the threaded rod is rotatably connected with a supporting block, the bottom of the supporting block is fixedly connected with a limiting block, a positioning plate corresponding to the threaded rod is fixedly connected to the side wall of the shell, a limiting opening corresponding to the limiting block in shape is arranged on the positioning plate, two moving blocks are sleeved on the threaded rod in a threaded manner, the threads in the screw threads of the two moving blocks are arranged oppositely, connecting rods are rotatably connected to the two moving blocks, one side of the threaded rod is provided with an installation block, one end of the connecting rod, which is far away from the moving block, is rotationally connected with the installation block, one side fixedly connected with fixture block of installation piece, be equipped with the draw-in groove that corresponds with the fixture block on the inside wall of casing.

Preferably, a plurality of signal generating modules are arranged on the shielding body, and a transmitting antenna electrically connected to the outside of the shell is arranged on the plurality of signal generating modules.

Preferably, the top fixedly connected with of threaded rod changes the piece, it is equipped with multichannel antiskid line on the piece to change.

Preferably, the limiting block is arranged in a rectangular shape and is inserted into the limiting opening in the positioning plate in a sliding manner.

Preferably, be equipped with on the sealed lid and rotate the chamber, it is connected with the anticreep piece to rotate the intracavity, the fixed cup joint of anticreep piece is on the threaded rod.

Preferably, a telescopic rod is fixedly connected between the two moving blocks.

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

according to the shielding device of the external antenna, the shielding device body is arranged on the supporting seat in the shell, the sealing cover plate is clamped above the shell, the limiting blocks arranged at the bottom of the supporting block are inserted into the positioning holes in the positioning plate at the moment, then the threaded rod is rotated, the two moving blocks which are arranged on the threaded rod in a threaded mode are arranged on the threaded rod in a relative movement mode at opposite screw threads when the threaded rod rotates, so that the connecting rod is driven to move, the connecting rod pushes the mounting block to move, the clamping blocks arranged on the mounting block are inserted into the clamping grooves in the inner wall of the shell to be fixed, the cover plate can be rapidly disassembled and assembled through the arrangement of the clamping mechanism, and therefore the internal signal shielding device can be conveniently overhauled and maintained.

Drawings

Fig. 1 is a schematic perspective view of a shield for an external antenna according to the present invention;

fig. 2 is a schematic view of the inside of a housing of a shield for an external antenna according to the present invention;

fig. 3 is an enlarged view of the shield of the external antenna of the present invention at a point a in fig. 2.

In the figure: 1. a housing; 2. a sealing cover; 3. a supporting seat; 4. a shield body; 5. a threaded rod; 6. a support block; 7. a limiting block; 8. positioning a plate; 9. a moving block; 10. a connecting rod; 11. mounting blocks; 12. a clamping block; 13. rotating the block; 14. an anti-drop block; 15. a telescopic rod; 16. and a transmitting antenna.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, an embodiment of the present invention is shown: a shielding device of an external antenna comprises a shell 1 and a sealing cover 2, wherein a supporting seat 3 is fixedly connected in the shell 1, a shielding device body 4 is installed on the supporting seat 3, threaded rods 5 are inserted through four corners of the sealing cover 2, the bottom end of each threaded rod 5 is rotatably connected with a supporting block 6, the bottom of each supporting block 6 is fixedly connected with a limiting block 7, a positioning plate 8 corresponding to the threaded rod is fixedly connected to the side wall of the shell 1, a limiting opening corresponding to the shape of the limiting block 7 is formed in the positioning plate 8, two moving blocks 9 are sleeved on the threaded rods 5 in a threaded manner, the threads in the threads of the two moving blocks 9 are oppositely arranged, connecting rods 10 are rotatably connected to the two moving blocks 9, an installation block 11 is arranged on one side of the threaded rod 5, one end, far away from the moving blocks 9, of each connecting rod 10 is rotatably connected with the installation block 11, a clamping block 12 is fixedly connected to one side of the installation block 11, and clamping grooves corresponding to the clamping block 12 are formed in the inner side wall of the shell 1, specifically, the support 3 seats in casing 1 are installed to shielding ware body 4, with sealed lid 2 card in the top of casing 1, install stopper 7 on supporting shoe 6 bottom this moment and will insert in the locating hole on locating plate 8, rotate threaded rod 5 afterwards, thereby two movable blocks 9 of threaded mounting on threaded rod 5 when threaded rod 5 is rotatory drive connecting rod 10 motion at the setting relative movement of opposite screw thread mouth, thereby connecting rod 10 will promote the installation piece 11 to remove this moment and will install the draw-in groove on inserting casing 1 inner wall at the fixture block 12 of installing on piece 11 and realize fixing, reverse rotation threaded rod 5 can when dismantling.

Further, the shielding body 4 is provided with a plurality of signal generating modules, and the plurality of signal generating modules are provided with transmitting antennas 16 electrically connected to the outside of the housing 1.

Further, the top fixedly connected with of threaded rod 5 changes piece 13, is equipped with multichannel antiskid line on changeing piece 13, is convenient for rotate threaded rod 5.

Further, stopper 7 is the rectangle setting, and slides and insert and establish in the spacing mouth on locating plate 8, utilizes the rectangle structure setting to effectively realize the block and carry on spacingly to supporting shoe 6, avoids supporting shoe 6 revolution.

Further, be equipped with on sealed lid 2 and rotate the chamber, rotate the intracavity and rotate and be connected with anticreep piece 14, anticreep piece 14 is fixed cup joints on threaded rod 5, fixes on sealed lid 2 threaded rod 5.

Further, an expansion link 15 is fixedly connected between the two moving blocks 9, so that the stability between the two moving blocks 9 during moving is improved.

The working principle is as follows: install on 3 seats of support in casing 1 at first with shielding ware body 4, with sealed lid 2 card in casing 1's top, install stopper 7 on 6 bottoms of supporting shoe this moment and will insert the locating hole on locating plate 8 in, rotate threaded rod 5 afterwards, thereby two movable blocks 9 of threaded mounting on threaded rod 5 when threaded rod 5 is rotatory drive connecting rod 10 motion in the relative movement that sets up of opposite screw thread mouth, thereby connecting rod 10 will promote the installation piece 11 to remove this moment and will install in inserting the draw-in groove on the 1 inner wall of casing 12 of fixture block 12 on installation piece 11 and realize fixing.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an external antenna's shielding ware, includes casing (1) and sealed lid (2), its characterized in that: a supporting seat (3) is fixedly connected in the shell (1), a shielding device body (4) is installed on the supporting seat (3), threaded rods (5) are inserted in four corners of the sealing cover (2) in a penetrating mode, the bottom end of each threaded rod (5) is rotatably connected with a supporting block (6), the bottom of each supporting block (6) is fixedly connected with a limiting block (7), a positioning plate (8) corresponding to the threaded rods is fixedly connected to the side wall of the shell (1), limiting openings corresponding to the limiting blocks (7) in shape are formed in the positioning plate (8), two moving blocks (9) are sleeved on the threaded rods (5) in a threaded mode, threads in the threads of the two moving blocks (9) are arranged in an opposite mode, connecting rods (10) are rotatably connected to the two moving blocks (9), and an installation block (11) is arranged on one side of each threaded rod (5), one end, far away from the moving block (9), of the connecting rod (10) is rotatably connected with an installation block (11), a clamping block (12) is fixedly connected to one side of the installation block (11), and a clamping groove corresponding to the clamping block (12) is formed in the inner side wall of the shell (1).

2. The external antenna shield according to claim 1, wherein: the shielding device is characterized in that a plurality of signal generating modules are arranged on the shielding device body (4), and a transmitting antenna (16) electrically connected to the outside of the shell (1) is arranged on the plurality of signal generating modules.

3. The external antenna shield according to claim 1, wherein: the top fixedly connected with of threaded rod (5) changes piece (13), be equipped with multichannel antiskid line on changeing piece (13).

4. The external antenna shield according to claim 1, wherein: the limiting blocks (7) are arranged in a rectangular shape and are inserted into the limiting holes in the positioning plates (8) in a sliding mode.

5. The external antenna shield according to claim 1, wherein: be equipped with on sealed lid (2) and rotate the chamber, it is connected with anticreep piece (14) to rotate the intracavity, anticreep piece (14) are fixed to be cup jointed on threaded rod (5).

6. The external antenna shield according to claim 1, wherein: an expansion link (15) is fixedly connected between the two moving blocks (9).