Anti-interference WiFi antenna

Abstract

The utility model belongs to the technical field of wireless communication, particularly relates to an anti-interference WiFi antenna, and aims to solve the problem that a user cannot flexibly adjust the spatial orientation of signal enhancement and interference suppression according to an electromagnetic environment on the premise that an existing antenna is fixed. Comprising an antenna body, a supporting column, an anti-interference plate and a metal grating, the anti-interference plate and the metal grating are movably arranged on the outer side of the supporting column, the anti-interference plate and the metal grating are connected to the supporting column through two independent rotation adjusting units, a lantern ring and the supporting column are locked when an inserted connecting rod is horizontal, and rotation can be achieved when the connecting rod is lifted and unlocked, and rapid adjustment and locking in the horizontal direction are achieved. The anti-interference plate is further connected through the direction adjusting seat, pitching and horizontal fine adjustment is achieved through the adjusting pairs, the two adjusting pairs can be synchronously unlocked or locked through the operation abutting rod, and therefore the space posture of the plate is fixed. According to the utility model, through a simple structure, accurate regulation and control of directions, angles and distances of the anti-interference plate and the metal grating are realized, a user can manually reconstruct an antenna electromagnetic environment according to the environment, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to a WiFi antenna, concretely is an anti -interference WiFi antenna belongs to wireless communication technical field. BACKGROUND

[0002] With the popularization of WiFi technology in smart home, Internet of Things and enterprise network, signal quality and stability in complex electromagnetic environment become key challenges. Various wireless devices (such as Bluetooth, microwave oven) existing in the environment will produce a large number of co-frequency or adjacent frequency interference, resulting in increased WiFi network delay and decreased throughput. At the same time, factors such as wall shielding and device position change can also cause signal attenuation and coverage blind area. To cope with these problems, existing technologies mainly improve in two directions: one is to optimize the circuit design of the antenna itself to improve performance, such as using a hollow vibrator design to reduce coupling interference, or designing a dual-polarized antenna with high isolation; the other is to introduce intelligent algorithms and beamforming technology, dynamically adjusting the signal beam by analyzing the spectrum and terminal position to avoid interference and enhance coverage.

[0003] In the prior art, such as the antenna disclosed in the patent No. CN219371380U, once the antenna is designed, its anti-interference characteristics are fixed and cannot adapt to the dynamically changing interference environment. Although the beamforming scheme based on intelligent algorithms has strong adaptability, it relies on complex radio frequency front end, signal processing algorithm and computing resources, and the system is complex and costly, and is mainly integrated in high-end routers, which is difficult to popularize as an independent enhancement scheme that can be adapted to a variety of existing devices. In addition, such as the anti-interference communication antenna disclosed in the patent No. CN218827843U, the antenna main body itself is moved, and its adjustment range is limited, and when the pointing direction is changed, it may deviate from the aligned signal source at the same time, and does not distinguish between "useful signal enhancement" and "directional interference suppression".

[0004] In summary, the prior art lacks a physical layer solution that is relatively simple in structure, controllable in cost and can be intuitively and flexibly controlled by users. Specifically, the technical problem to be solved is: how to provide a mechanical structure that can independently, accurately and stably adjust the signal enhancement direction and interference suppression direction according to the real-time environment on the premise of fixing the antenna main body position, so as to realize dynamic and active electromagnetic environment reconstruction, and make up for the shortcomings of rigid circuit scheme and expensive algorithm scheme. UTILITY MODEL CONTENTS

[0005] The utility model provides an anti-interference WiFi antenna to solve the problem that users cannot flexibly adjust the spatial pointing of signal enhancement and interference suppression according to the electromagnetic environment on the premise of existing antenna.

[0006] The utility model discloses an anti-interference WiFi antenna, including the antenna body, the outside activity of antenna body is provided with anti-interference board and metal grid, the inside surface of anti-interference board is close to the coating of metal conductive layer, the outside surface of anti-interference board is far from the coating of wave absorbing material layer of antenna body,

[0007] The bottom end of the antenna body is connected with a support column, the column body of the support column is provided with two groups of rotating adjusting units connected with the anti-interference board and the metal grid respectively, the rotating adjusting unit includes a sleeve ring and an insertion connecting rod movably connected to the ring body thereof, when the insertion connecting rod is in a horizontal state, the sleeve ring is locked and fixedly connected with the support column, when the insertion connecting rod is in an upwardly inclined state, the sleeve ring is relatively rotatably connected with the support column.

[0008] A direction adjusting seat is connected between the anti-interference board and the rotating adjusting unit, the direction adjusting seat includes two vertically arranged adjusting sub-units, and a stop rod is arranged between the two adjusting sub-units, when the stop rod is in a movable state, the two adjusting sub-units are freely rotatable, and when the stop rod is in a locked state, the two adjusting sub-units are simultaneously locked and fixed.

[0009] As a further scheme of the utility model, an insulating sleeve is fixedly sleeved at the bottom end of the antenna body, the insulating sleeve is fixedly connected to the upper end of the support column, the bottom end of the support column is fixedly connected with a support base, and the bottom of the support base is fixedly connected with a fixed bottom plate.

[0010] As a further scheme of the utility model, two upper and lower inner recessed butt joints are formed in the column body of the support column, and the sleeve ring is sleeved on the inner recessed butt joints.

[0011] As a further scheme of the utility model, two groups of annularly and uniformly distributed positioning recessed holes are formed in the inner recessed butt joints, two groups of ball cavities are formed in the inner side ring body of the sleeve ring, balls are movably arranged in the ball cavities, the balls are movably clamped in any hole position of the two groups of positioning recessed holes, a butt spring is further arranged in the ball cavity, and the two ends of the butt spring are respectively abutted between the ball and the inner wall of the ball cavity.

[0012] As a further scheme of the utility model, an activity cavity is formed in the outer side ring body of the sleeve ring, a butt shaft is rotatably connected in the activity cavity, one end of the insertion connecting rod is rotatably connected in the activity cavity through the butt shaft, the butt shaft is connected to the middle position of the end portion of the insertion connecting rod, a reset spring is connected between the upper portion of the end portion of the insertion connecting rod and the inner wall of the activity cavity, a limiting stop rod is movably connected between the activity cavity and the lower ball cavity, one end of the limiting stop rod in the activity cavity is abutted on the ball in the initial state, the rod body of the limiting stop rod in the activity cavity is sleeved with a force storage spring, and one end of the limiting stop rod in the activity cavity is abutted below the end portion of the insertion connecting rod.

[0013] As a further scheme of the utility model: the rod body of the insertion connecting rod is movably connected with a butt joint connecting rod, one end of the butt joint connecting rod is provided with an insertion slot, the insertion connecting rod is inserted into the insertion slot, a plurality of equidistant insertion holes are formed on the rod body of the insertion connecting rod, a fixing bolt is screw-connected to one side of the insertion slot of the butt joint connecting rod, and the fixing bolt is clamped into any insertion hole, the other end of one butt joint connecting rod is connected with the anti-interference plate through an azimuth adjusting seat, and the other end of the other butt joint connecting rod is connected with the metal grating.

[0014] As a further scheme of the utility model: the azimuth adjusting seat comprises a connecting lug, a U-shaped connecting seat and a rotating base which are sequentially arranged from top to bottom, the connecting lug is connected below the anti-interference plate, an adjusting rotating shaft is rotatably connected between the connecting lug and the U-shaped connecting seat, the connecting lug and the U-shaped connecting seat form a left-right swing adjusting pair on a vertical plane, a ring-shaped limiting block is connected to the bottom surface of the U-shaped connecting seat, a ring-shaped limiting groove is formed in the upper end surface of the rotating base, the ring-shaped limiting block is movably arranged in the ring-shaped limiting groove, a ball bearing is connected between the ring-shaped limiting block and the ring-shaped limiting groove, and the U-shaped connecting seat and the rotating base form a left-right rotating adjusting pair on a horizontal plane.

[0015] As a further scheme of the utility model: a rod cavity is formed in the middle part of the bottom seat body of the U-shaped connecting seat, the upper rod body of the abutting rod is movably inserted into the rod cavity, a plurality of positioning grooves are formed in the arc-shaped bottom edge of the connecting lug, the top end of the abutting rod is abutted in any positioning groove, a polygonal limiting cavity is formed in the middle part of the seat body of the rotating base, a polygonal limiting block is clamped in the polygonal limiting cavity, the lower rod body of the abutting rod is fixedly connected with the polygonal limiting block, and a push spring is further arranged in the polygonal limiting cavity, and the two ends of the push spring are respectively abutted between the polygonal limiting block and the cavity bottom surface of the polygonal limiting cavity.

[0016] As a further scheme of the utility model: a threaded hole is formed in one side of the seat body of the U-shaped connecting seat, the threaded hole is communicated with the rod cavity, a locking bolt is screw-connected in the threaded hole, and the movable front end of the locking bolt is abutted on the rod body of the abutting rod when the locking bolt is screwed in the threaded hole.

[0017] The utility model has the advantages of:

[0018] 1. The utility model discloses an antenna body, an anti-interference plate and a metal grille, the inner side of the anti-interference plate close to the antenna body is coated with a metal conductive layer, and the outer side of the anti-interference plate away from the antenna body is coated with a wave-absorbing material layer, when the anti-interference plate faces the interference source, the wave-absorbing material layer on the outer side can effectively absorb the clutter and interference electromagnetic energy of a specific frequency band and convert it into heat energy to dissipate, thereby reducing the reflection to the antenna body; while the metal conductive layer on the inner side forms a controllable reflection interface together with the antenna body, when the anti-interference plate faces away from the interference source and faces the useful signal direction, it can effectively reflect the signal to the antenna body, thereby enhancing the reception, meanwhile, the metal grille can greatly attenuate the interference signal, by setting the anti-interference plate and the metal grille as movable adjustment, the position, orientation, distance and angle of the two with the antenna body can be independently configured according to the spatial distribution of the signal source and the interference source in the actual environment, thereby realizing the cooperative optimization of directional enhancement of the expected signal and suppression of the interference in a specific direction in a complex electromagnetic environment.

[0019] 2. The utility model discloses the bottom of the antenna body is connected with the support column, the column body of support column is provided with two groups of rotation adjusting unit that connects anti-interference plate and metal grille respectively, rotation adjusting unit includes the ring and the activity connection of its ring body on the plug link, when the plug link is in the horizontal state, the ring is locked fixedly connected with the support column, when the plug link is in the upwardly inclined state, the ring is relatively rotatable connected with the support column, the ring has two working conditions with the plug link, when being firmly locked, the position stability of anti-interference plate or metal grille in the work is ensured, and the deviation caused by wind force or slight touch is prevented, when needing to adjust the direction, only need to lift the plug link to the inclined state, and the locking between the ring and the support column is released, so that the ring can rotate around the support column, thereby can easily rotate anti-interference plate or metal grille to the new horizontal azimuth angle, avoid the cumbersome steps of needing to individually tighten the knob or bolt in the traditional design, realize the quick direction adjustment and fixed.

[0020] 3. The utility model discloses a direction adjusting seat is connected between the anti -interference board and the rotation adjusting unit, and the direction adjusting seat includes two vertically setting adjusting vice, and is provided with the resistance bar between two adjusting vice, and when the resistance bar is in the activity state, two adjusting vice free rotation, and when the resistance bar is in the lock state, two adjusting vice are locked and fixed simultaneously, and the vertical superposition design of two adjusting vice makes the anti -interference board can realize the arbitrary angle direction in the space spherical surface range, satisfies the demand of fine calibration to its reflection or the absorption surface orientation, when the resistance bar is in the activity state, two adjusting vice are in the free rotation state, and the user can directly adjust the anti -interference board's pitch and horizontal orientation with hand, once adjusting to the best angle, through the state of resistance bar to lock, can lock and fix two vertical adjusting vice simultaneously, thereby firmly keep the anti -interference board has adjusted the space posture, solved the trouble that each joint usually needs to lock in multi -freedom degree adjusting mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is overall structure schematic diagram of the utility model;

[0022] Figure 2 It is antenna body and support column connecting structure schematic diagram of the utility model;

[0023] Figure 3 It is anti -interference board structure schematic diagram of the utility model;

[0024] Figure 4 It is support column and sleeve ring split structure schematic diagram of the utility model;

[0025] Figure 5 It is the split structure schematic diagram of the utility model of inserting connecting rod and butt joint connecting rod;

[0026] Figure 6 It is sleeve ring and horizontal inserting connecting rod connecting part cross section structure schematic diagram of the utility model;

[0027] Figure 7 It is sleeve ring and inclined inserting connecting rod connecting part cross section structure schematic diagram of the utility model;

[0028] Figure 8 It is direction adjusting seat cross section structure schematic diagram of the utility model.

[0029] In the figure: 1, antenna body; 11, insulating sleeve; 2, anti-interference plate; 21, metal conductive layer; 22, wave-absorbing material layer; 3, metal grid; 4, support column; 41, collar; 42, concave butt joint surface; 43, positioning recess; 44, insertion connecting rod; 45, insertion hole; 46, movable cavity; 47, butt joint rotating shaft; 48, reset spring; 49, ball cavity; 410, ball; 411, abutting spring; 412, limiting abutting rod; 413, force storage spring; 5, support base; 6, fixed bottom plate; 7, butt joint connecting rod; 71, insertion slot; 72, fixed bolt; 8, azimuth adjusting seat; 81, connecting lug; 82, U-shaped connecting seat; 83, rotating base; 84, positioning groove; 85, adjusting rotating shaft; 86, abutting rod cavity; 87, annular limiting block; 88, ball bearing; 89, threaded hole; 810, locking bolt; 811, annular limiting groove; 812, abutting rod; 813, polygonal limiting block; 814, polygonal limiting cavity; 815, push spring. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0031] Embodiment one

[0032] As Figures 1 to 8As shown, an anti-interference WiFi antenna comprises an antenna body 1, an anti-interference plate 2 and a metal grid 3 are movably arranged on the outer side of the antenna body 1, the inner side of the anti-interference plate 2 is coated with a metal conductive layer 21, and the outer side of the anti-interference plate 2 is coated with a wave-absorbing material layer 22, when the anti-interference plate 2 faces the interference source, the outer wave-absorbing material layer 22 can effectively absorb the specific frequency band of the clutter and interference electromagnetic energy, and convert it into heat energy dissipation, thereby reducing the reflection to the antenna body 1; while the inner metal conductive layer 21 forms a controllable reflection interface with the antenna body 1, when the anti-interference plate 2 faces away from the interference source and faces the useful signal direction, it can effectively reflect the signal to the antenna body, thereby enhancing the reception, at the same time, the metal grid 3 can greatly attenuate the interference signal, by setting the anti-interference plate 2 and the metal grid 3 as movable adjustment, the position, orientation, distance and angle of the two with the antenna body 1 can be independently configured according to the spatial distribution of the signal source and the interference source in the actual environment, thereby realizing the cooperative optimization of directional enhancement of expected signal and suppression of specific direction interference in complex electromagnetic environment, it should be noted that the metal conductive layer 21 includes but is not limited to metal mesh film, graphene-based film, alloy conductive coating, and the wave-absorbing material layer 22 includes but is not limited to a thin film made of iron-cobalt-ruthenium ternary alloy magnetic powder and epoxy resin;

[0033] The bottom end of the antenna body 1 is connected with a support column 4, the column body of the support column 4 is provided with two groups of rotation adjustment units respectively connecting the anti-interference plate 2 and the metal grid 3, the rotation adjustment unit comprises a sleeve ring 41 and an insertion connecting rod 44 movably connected to the ring body thereof, when the insertion connecting rod 44 is in a horizontal state, the sleeve ring 41 is locked and fixedly connected with the support column 4, when the insertion connecting rod 44 is in an upward inclined state, the sleeve ring 41 is relatively rotatably connected with the support column 4, the sleeve ring 41 and the insertion connecting rod 44 have two working states, when being firmly locked, the position stability of the anti-interference plate 2 or the metal grid 3 in the work is ensured, and the deviation caused by wind force or slight touch is prevented, when the orientation needs to be adjusted, the insertion connecting rod 44 only needs to be lifted upward to the inclined state, the locking between the sleeve ring 41 and the support column 4 is released, so that the sleeve ring 41 can rotate around the support column 4, thereby the anti-interference plate 2 or the metal grid 3 can be easily rotated to a new horizontal orientation angle, avoiding the cumbersome steps of separately tightening the knob or bolt in the traditional design, realizing the rapid orientation adjustment and fixation;

[0034] The anti-interference plate 2 is connected with the rotating adjusting unit through an azimuth adjusting seat 8, the azimuth adjusting seat 8 comprises two vertically arranged adjusting subassemblies, and a resisting rod 812 is arranged between the two adjusting subassemblies; when the resisting rod 812 is in an active state, the two adjusting subassemblies are free to rotate; when the resisting rod 812 is in a locked state, the two adjusting subassemblies are simultaneously locked and fixed; the vertically stacked design of the two adjusting subassemblies enables the anti-interference plate 2 to realize any angle pointing within a space spherical surface, and meets the requirement of fine calibration of the reflection or absorption surface orientation; when the resisting rod 812 is in the active state, the two adjusting subassemblies are both in a free rotating state, and a user can directly adjust the pitch and horizontal orientation of the anti-interference plate 2 by hand; once the optimal angle is adjusted, the two vertically arranged adjusting subassemblies can be simultaneously locked and fixed by changing the state of the resisting rod 812 to the locked state, so as to firmly maintain the spatial posture of the anti-interference plate 2 that has been adjusted, and the problem that each joint needs to be locked one by one in a multi-degree-of-freedom adjusting mechanism is solved.

[0035] Embodiment two

[0036] On the basis of embodiment one, the improvement is:

[0037] As shown in Figures 1 to 7 , the bottom end of the antenna body 1 is fixedly sleeved with an insulating sleeve 11, the insulating sleeve 11 is fixedly connected to the upper end of the support column 4, the bottom end of the support column 4 is fixedly connected with a support base 5, the bottom of the support base 5 is fixedly connected with a fixed bottom plate 6, the insulating sleeve 11 is usually made of high-performance engineering plastic, which isolates the direct electrical connection between the antenna body 1 made of metal material and the support column 4 which may also be made of metal material, which effectively prevents the support structure from being affected or damaged by the induced lightning or static electricity and the like, and the support base 5 and the fixed bottom plate 6 fixedly connected in sequence at the bottom end of the support column 4 jointly constitute a stable tower type support foundation, which ensures that even when the adjustable anti-interference plate 2 and the metal grille 3 which may generate relatively large wind resistance are installed, the entire antenna still has good stability and wind swing resistance.

[0038] Further, the column body of the support column 4 is provided with two upper and lower distributed inner recessed butt joints 42, and the sleeve ring 41 is sleeved on the inner recessed butt joint 42, which enhances the radial stability of the sleeve ring 41 on the support column 4, prevents the sleeve ring 41 from being slightly inclined or shaken when being locked or under stress, and ensures the stability of the spatial position of the anti-interference plate 2 or the metal grille 3 connected therewith.

[0039] Further, the inner concave butt joint surface 42 is provided with two sets of evenly distributed annular positioning recesses 43, the inner side of the sleeve ring 41 is provided with two sets of ball cavities 49, the ball cavities 49 are movably provided with balls 410, the balls 410 are movably clamped in any hole position of the two sets of positioning recesses 43, the ball cavities 49 are further provided with abutting springs 411, the two ends of the abutting springs 411 are respectively abutted between the balls 410 and the inner wall of the ball cavities 49, the two sets of positioning recesses 43 and the balls 410 realize double-point positioning, which can effectively prevent the slight rotation of the sleeve ring 41 in the locked state, when the user lifts the inserted connecting rod 44 to make the sleeve ring 41 in a rotatable state, the balls 410 are always in contact with the inner concave butt joint surface 42 under the pre-pressure of the abutting springs 411, in the rotating process, the balls 410 will roll over the planar region between the positioning recesses 43, at this time, the abutting springs 411 provide moderate damping force, so that the rotating process is smooth and has texture, the evenly distributed positioning recesses 43 provide multiple accurate azimuth angle choices for the user, and when the sleeve ring 41 is pressed down and locked, the balls 410 will be further pressed, so that they cannot be separated from the clamped positioning recesses 43, thereby realizing firm locking.

[0040] Further, the outer ring body of the sleeve ring 41 is provided with a movable cavity 46, a docking rotating shaft 47 is rotatably connected in the movable cavity 46, one end of the insertion connecting rod 44 is rotatably connected in the movable cavity 46 through the docking rotating shaft 47, the docking rotating shaft 47 is connected at the middle position of the end of the insertion connecting rod 44, a reset spring 48 is connected between the upper end of the insertion connecting rod 44 and the inner wall of the movable cavity 46, a limiting abutting rod 412 is movably connected between the movable cavity 46 and the lower ball cavity 49, the end of the limiting abutting rod 412 in the movable cavity 46 abuts against the ball 410 in the initial state, the rod body of the limiting abutting rod 412 in the movable cavity 46 is sleeved with a force storage spring 413, and the end of the limiting abutting rod 412 in the movable cavity 46 abuts against the lower end of the insertion connecting rod 44, the reset spring 48 continuously applies a pushing force to the upper end of the insertion connecting rod 44, so that the insertion connecting rod 44 can automatically and stably return to the preset horizontal state when it is not subjected to external downward pressure, when the insertion connecting rod 44 is in the horizontal state, the lower end of the insertion connecting rod 44 presses the end of the limiting abutting rod 412 in the movable cavity 46, so that the limiting abutting rod 412 moves axially relative to the supporting column 4, and the other end of the limiting abutting rod 412 directly acts on the ball 410 in the ball cavity 49, so that the ball 410 is strongly pressed into the positioning recess 43 on the concave docking surface 42 in the supporting column 4, at this time, the sleeve ring 41 is tightly engaged with the positioning recess 43 through the two groups of balls 410 which are pressed, so as to realize the firm locking and fixing with the supporting column 4, thereby ensuring the stability of the azimuth angle of the anti-interference plate 2 or the metal grille 3 connected with the sleeve ring 41; when the azimuth needs to be adjusted, the user only needs to lift the insertion connecting rod 44 upward, so that the insertion connecting rod 44 is separated from the horizontal state, at this time, the reset spring 48 can be compressed to store energy, and the downward pressure of the insertion connecting rod 44 on the end of the limiting abutting rod 412 is released, the force storage spring 413 drives the limiting abutting rod 412 to return, so that the ball 410 only contacts the concave docking surface 42 under the action of the abutting spring 411, at this time, the sleeve ring 41 returns to the state of freely rotating around the supporting column 4, once the insertion connecting rod 44 is released, the pushing force of the reset spring 48 immediately pushes the insertion connecting rod 44 back to the horizontal state, and the limiting abutting rod 412 is driven to press the ball 410 again through the above linkage process, so as to automatically complete the locking in the new position, the user only needs to complete the adjustment of the anti-interference plate 2 or the metal grille 3 through simple operation, thereby improving the efficiency of the antenna adjustment, and avoiding the risk of part loosening due to forgetting to lock.

[0041] Further, the shank of the insertion link 44 is movably connected with the butt joint link 7, one end of the butt joint link 7 is provided with an insertion slot 71, the insertion link 44 is inserted into the insertion slot 71, a plurality of equidistantly distributed insertion holes 45 are formed on the shank of the insertion link 44, a fixing bolt 72 is threadedly connected with one side of the insertion slot 71 of the butt joint link 7, and the fixing bolt 72 is clamped in any insertion hole 45, the other end of one butt joint link 7 is connected with the anti-interference plate 2 through the azimuth adjusting seat 8, the other end of the other butt joint link 7 is connected with the metal grille 3, and the relative position of the insertion link 44 and the butt joint link 7 is fixed by rotating and clamping the fixing bolt 72 through the side wall of the butt joint link 7 and into any insertion hole 45, so as to change the total length from the center of the supporting column 4 to the anti-interference plate 2 or the metal grille 3, so that the user can flexibly adjust the transverse action distance of the functional components according to the actual application scene, so as to more effectively play the electromagnetic performance of the anti-interference plate 2 and the metal grille 3.

[0042] As shown in Figure 1 , Figure 3 and Figure 8 , the azimuth adjusting seat 8 comprises a connecting lug 81, a U-shaped connecting seat 82 and a rotating base 83 arranged in sequence from top to bottom, the connecting lug 81 is connected below the anti-interference plate 2, the connecting lug 81 and the U-shaped connecting seat 82 are movably connected with an adjusting rotating shaft 85, and the connecting lug 81 and the U-shaped connecting seat 82 constitute a left-right swing adjusting pair in the vertical plane, the bottom surface of the U-shaped connecting seat 82 is connected with a ring-shaped limiting block 87, the upper end surface of the rotating base 83 is provided with a ring-shaped limiting groove 811, the ring-shaped limiting block 87 is movably arranged in the ring-shaped limiting groove 811, and the ring-shaped limiting block 87 and the ring-shaped limiting groove 811 are connected with a ball bearing 88, the U-shaped connecting seat 82 and the rotating base 83 constitute a left-right rotating adjusting pair in the horizontal plane, the first adjusting pair is constituted by the connecting lug 81 and the U-shaped connecting seat 82 movably connected through the adjusting rotating shaft 85, realizing the left-right swing of the anti-interference plate 2 in the vertical plane, i.e. the pitch angle adjustment, the second adjusting pair is constituted by the U-shaped connecting seat 82 and the rotating base 83 connected through the cooperation of the ring-shaped limiting block 87 and the ring-shaped limiting groove 811, and assisted by the ball bearing 88, realizing the 360-degree rotation in the horizontal plane, i.e. the azimuth angle adjustment, so that the anti-interference plate 2 can be accurately positioned in space.

[0043] Further, the middle part of the bottom seat body of the U-shaped connecting seat 82 is provided with a stopper cavity 86, the upper rod body of the stopper 812 is movably inserted into the stopper cavity 86, the arc-shaped bottom edge of the connecting lug 81 is provided with a plurality of positioning grooves 84, the top end of the stopper 812 is abutted in any one of the positioning grooves 84, the middle part of the seat body of the rotating base 83 is provided with a polygonal limiting cavity 814, a polygonal limiting block 813 is clamped and limited in the polygonal limiting cavity 814, the lower rod body of the stopper 812 is fixedly connected with the polygonal limiting block 813, the polygonal limiting cavity 814 is further provided with a push spring 815, the two ends of the push spring 815 are respectively abutted between the polygonal limiting block 813 and the cavity bottom surface of the polygonal limiting cavity 814, the push spring 815 always upward pushes the polygonal limiting block 813 and the stopper 812, so that the upper end of the stopper 812 is fixedly clamped in any one of the positioning grooves 84 when the stopper 812 is in the locked state, the locking of the pitch adjusting sub is realized, at the same time, the horizontal rotation adjusting sub is also synchronously locked due to the close engagement between the polygonal limiting block 813 and the polygonal limiting cavity 814 on the rotating base 83 under the action of the spring force, when the stopper 812 is in the unlocked state, the two adjusting subs can be respectively adjusted, that is, the synchronous unlocking or locking of the two adjusting subs can be realized by one stopper 812, so as to facilitate the user to adjust the corresponding angle or position of the anti-interference plate 2, and the position of the anti-interference plate 2 can be quickly locked after adjustment.

[0044] Further, one side of the seat body of the U-shaped connecting seat 82 is provided with a threaded hole 89, the threaded hole 89 is communicated with the stopper cavity 86, a locking bolt 810 is screwedly connected in the threaded hole 89, and the movable front end of the locking bolt 810 is abutted against the rod body of the stopper 812 when the locking bolt 810 is screwed in the threaded hole 89, so that the locking and fixing of the stopper 812 is realized by the locking bolt 810, and the angle setting of the anti-interference plate 2 can be durable and stable.

[0045] Working principle: when the plate surface faces the interference source, the wave absorbing material layer 22 on the outer side of the anti-interference plate 2 absorbs the clutter and converts it into heat energy; when the plate surface faces away from the interference source and faces the signal, the metal conductive layer 21 on the inner side of the anti-interference plate 2 reflects the signal to the antenna body 1 to enhance the reception. The metal grid 3 mainly scatters and attenuates the interference signal in a specific direction.

[0046] In order to realize accurate regulation, the anti-interference plate 2 and the metal grid 3 are azimuthally adjusted by the rotation adjustment unit on the support column 4. When the insertion connecting rod 44 is lifted to the inclined state, the sleeve ring 41 is unlocked from the support column 4, so that it can be freely rotated to adjust the horizontal azimuth. When the insertion connecting rod 44 returns to the horizontal state, the limiting abutment rod 412 will force the ball 410 to be pressed into the positioning recess 43, so as to realize the firm locking of the sleeve ring 41, thereby fixing the horizontal angle of the anti-interference plate 2 or the metal grid 3. The pitch and horizontal fine adjustment of the anti-interference plate 2 is completed by the azimuth adjustment seat 8. The seat realizes the pitch adjustment through the connecting lug 81 and the U-shaped connecting seat 82, and realizes the horizontal rotation through the U-shaped connecting seat 82 and the rotating base 83. The locking mechanism is controlled by the abutment rod 812. When an external force is applied to fix the abutment rod 812, the top pushing abutment rod 812 is clamped into the positioning groove 84 of the connecting lug 81, and the polygonal limiting block 813 at the lower part is engaged with the polygonal limiting cavity 814 of the rotating base 83, so as to synchronously lock the two adjustment pairs.

[0047] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be realized in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0048] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. An interference-resistant WiFi antenna comprising an antenna body (1), characterized in that: The outer side of the antenna body (1) is movably provided with an anti-interference plate (2) and a metal grille (3), the inner side of the anti-interference plate (2) is coated with a metal conductive layer (21), and the outer side of the anti-interference plate (2) is coated with a wave-absorbing material layer (22) away from the antenna body (1); The bottom end of the antenna body (1) is connected with a support column (4), the column body of the support column (4) is provided with two groups of rotating adjusting units connected with the anti-interference plate (2) and the metal grille (3) respectively, the rotating adjusting unit comprises a sleeve ring (41) and an insertion connecting rod (44) movably connected to the ring body thereof, when the insertion connecting rod (44) is in a horizontal state, the sleeve ring (41) is locked and fixedly connected with the support column (4), when the insertion connecting rod (44) is in an upwardly inclined state, the sleeve ring (41) is relatively rotatably connected with the support column (4); The anti-interference plate (2) and the rotating adjusting unit are connected with an azimuth adjusting seat (8), the azimuth adjusting seat (8) comprises two vertically arranged adjusting subassemblies, and a resisting rod (812) is arranged between the two adjusting subassemblies, when the resisting rod (812) is in a movable state, the two adjusting subassemblies are freely rotatable, and when the resisting rod (812) is in a locked state, the two adjusting subassemblies are simultaneously locked and fixed.

2. The anti-jamming WiFi antenna of claim 1, wherein: The bottom end of the antenna body (1) is fixedly sleeved with an insulating sleeve (11), the insulating sleeve (11) is fixedly connected to the upper end of the support column (4), the bottom end of the support column (4) is fixedly connected with a support base (5), and the bottom of the support base (5) is fixedly connected with a fixed bottom plate (6).

3. The anti-jamming WiFi antenna of claim 1, wherein: The column body of the support column (4) is provided with two upper and lower recessed butt surfaces (42), and the sleeve ring (41) is sleeved on the recessed butt surfaces (42) respectively.

4. The anti-jamming WiFi antenna of claim 3, wherein: The recessed butt surfaces (42) are provided with two groups of annularly and uniformly distributed positioning recess holes (43) upward and downward, the inner side of the sleeve ring (41) is provided with two groups of ball cavities (49) upward and downward, the ball cavities (49) are movably provided with balls (410) therein, the balls (410) are movably clamped in any hole position of the two groups of positioning recess holes (43) upward and downward, and the ball cavities (49) are further provided with abutting springs (411), and the two ends of the abutting springs (411) are respectively abutted between the balls (410) and the inner walls of the ball cavities (49).

5. The anti-jamming WiFi antenna of claim 4, wherein: The outer ring body of the collar (41) is provided with a movable cavity (46), a docking rotating shaft (47) is rotatably connected in the movable cavity (46), one end of the insertion connecting rod (44) is rotatably connected in the movable cavity (46) through the docking rotating shaft (47), the docking rotating shaft (47) is connected at the middle position of the end of the insertion connecting rod (44), a reset spring (48) is connected between the upper end of the insertion connecting rod (44) and the inner wall of the movable cavity (46), a limiting abutting rod (412) is movably connected between the movable cavity (46) and the lower ball cavity (49), one end of the limiting abutting rod (412) in the movable cavity (46) abuts against the ball (410) in the initial state, the rod body of the limiting abutting rod (412) in the movable cavity (46) is sleeved with a force storage spring (413), and one end of the limiting abutting rod (412) in the movable cavity (46) abuts against the lower end of the insertion connecting rod (44).

6. The anti-jamming WiFi antenna of claim 5, wherein: The rod body of the insertion connecting rod (44) is movably connected with a docking connecting rod (7), one end of the docking connecting rod (7) is provided with an insertion slot (71), the insertion connecting rod (44) is inserted in the insertion slot (71), a plurality of equidistantly distributed insertion holes (45) are formed in the rod body of the insertion connecting rod (44), a fixing bolt (72) is threadedly connected to one side of the insertion slot (71) of the docking connecting rod (7), and the fixing bolt (72) is clamped in any insertion hole (45), one end of the docking connecting rod (7) is connected with the anti-interference plate (2) through an orientation adjusting seat (8), and the other end of the docking connecting rod (7) is connected with the metal grille (3).

7. The anti-jamming WiFi antenna of claim 1, wherein: The orientation adjusting seat (8) comprises a connecting lug (81), a U-shaped connecting seat (82) and a rotating base (83) arranged in sequence from top to bottom, the connecting lug (81) is connected below the anti-interference plate (2), an adjusting rotating shaft (85) is rotatably connected between the connecting lug (81) and the U-shaped connecting seat (82), the connecting lug (81) and the U-shaped connecting seat (82) constitute a left-right swing adjusting pair in a vertical plane, an annular limiting block (87) is connected to the bottom surface of the U-shaped connecting seat (82), an annular limiting groove (811) is formed in the upper end surface of the rotating base (83), the annular limiting block (87) is movably arranged in the annular limiting groove (811), and a ball bearing (88) is connected between the annular limiting block (87) and the annular limiting groove (811), the U-shaped connecting seat (82) and the rotating base (83) constitute a left-right rotating adjusting pair in a horizontal plane.

8. The anti-jamming WiFi antenna of claim 7, wherein: The bottom seat body of the U-shaped connecting seat (82) is provided with a resisting rod cavity (86) in the middle part, the upper rod body of the resisting rod (812) is movably inserted into the resisting rod cavity (86), the arc-shaped bottom edge of the connecting lug (81) is provided with a plurality of positioning grooves (84), the top end of the resisting rod (812) is abutted against any one of the positioning grooves (84), the middle part of the seat body of the rotating base (83) is provided with a polygonal limiting cavity (814), the polygonal limiting cavity (814) is limitedly provided with a polygonal limiting block (813), the lower rod body of the resisting rod (812) is fixedly connected with the polygonal limiting block (813), the polygonal limiting cavity (814) is further provided with a resisting spring (815), and the two ends of the resisting spring (815) are respectively abutted against the polygonal limiting block (813) and the cavity bottom surface of the polygonal limiting cavity (814).

9. The anti-jamming WiFi antenna of claim 8, wherein: The seat body of the U-shaped connecting seat (82) is provided with a threaded hole (89) on one side, the threaded hole (89) is communicated with the resisting rod cavity (86), the threaded hole (89) is screw-connected with a locking bolt (810), and the movable front end of the locking bolt (810) is abutted against the rod body of the resisting rod (812) when the locking bolt (810) is screwed in the threaded hole (89).

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