CN115986364A

CN115986364A - Antenna with automatic telescopic mechanism

Info

Publication number: CN115986364A
Application number: CN202310013444.8A
Authority: CN
Inventors: 张振; 廖鲜明; 张泽钦
Original assignee: Shenzhen Tianweixun Wireless Technology Co ltd
Current assignee: Shenzhen Tianweixun Wireless Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-04-18

Abstract

The invention relates to the technical field of antennas, and discloses an antenna with an automatic telescopic mechanism, which comprises a mounting plate, wherein a motor is mounted on the inner wall of the mounting plate, two limiting plates are fixedly connected to the top of the mounting plate, a sliding block is connected to the surface of each limiting plate in a sliding manner, a threaded rod is fixedly connected to the output end of the motor, a sliding rod is connected to the surface of each threaded rod in a sliding manner, an antenna body is fixedly connected to the top end of each sliding rod, a sliding sleeve is fixedly connected to the surface of each sliding rod, and a telescopic rod is rotatably connected to the surface of each sliding sleeve.

Description

Antenna with automatic telescopic mechanism

Technical Field

The invention relates to the technical field of antennas, in particular to an antenna with an automatic telescopic mechanism.

Background

An antenna is a converter that converts a guided wave propagating on a transmission line into an electromagnetic wave propagating in an unbounded medium or vice versa, and most antennas have a bidirectionality and can transmit or receive signals.

The invention patent with application number 201610404046.9 discloses an automatic telescopic antenna of a mobile station based on cooperative communication technology, which comprises an antenna part and the mobile station, wherein the mobile station is provided with an antenna mounting hole, and the antenna part is accommodated in the antenna mounting hole when the antenna part does not act; wherein the antenna portion comprises: the self-telescopic antenna assembly comprises an antenna main body and a first telescopic driving device, wherein the first telescopic driving device is connected with the antenna main body, so that when the first telescopic driving device acts, the first telescopic driving device drives the antenna main body to do up-and-down telescopic motion; the second telescopic driving device is connected with the self-telescopic antenna assembly, so that when the second telescopic driving device acts, the second telescopic driving device drives the self-telescopic antenna assembly to do up-and-down telescopic motion.

Disclosure of Invention

The invention aims to solve the technical problems that the center of gravity of an antenna is changed after the antenna is stretched, the stability of the antenna is reduced, and the antenna is easy to break in windy weather.

In order to solve the technical problems, the invention adopts the technical scheme that: an antenna comprising an automatic telescopic mechanism comprises a mounting plate, wherein a motor is mounted on the inner wall of the mounting plate, two limiting plates are fixedly connected to the top of the mounting plate, a sliding block is connected to the surface of each limiting plate in a sliding manner, a threaded rod is fixedly connected to the output end of the motor, a sliding rod is connected to the surface of the threaded rod in a sliding manner, an antenna body is fixedly connected to the top end of the sliding rod, a sliding sleeve is fixedly connected to the surface of the sliding rod, a telescopic rod is rotatably connected to the surface of the sliding sleeve, a gear is fixedly connected to the surface of the threaded rod, a rack is meshed with the surface of the gear, a sleeve is fixedly connected to the inner wall of the telescopic rod, an air rod is slidably connected to the inner wall of the sleeve, a clamping plate is fixedly connected to one end, away from the telescopic rod, the motor can be started and drive the threaded rod to rotate when adjustment is needed, the threaded rod can drive the sliding rod to rotate, but the sliding rod can be limited by the limiting plate on the sliding block, so that the sliding rod can be driven to move up and down, the antenna body can be automatically telescopic adjusted, and can drive the sliding sleeve to move together while the sliding sleeve moves; the gas rod and the clamping plate are communicated with each other, the surface of the gas rod is sleeved with a spring, two ends of the spring are fixedly connected with the surfaces of the clamping plate and the sleeve respectively, two sides of the clamping plate are connected with the inner wall of the mounting plate in a sliding manner, the bottom of the rack is connected with the top of the mounting plate in a sliding manner, the surface of the threaded rod is in threaded connection with the inner wall of the bottom of the sliding block, the top of the sliding block is fixedly connected with the bottom of the sliding rod, the rotation of the threaded rod drives the gear to rotate, the gear drives the rack to move, the rack pushes the telescopic rod to move, the sliding sleeve on the sliding rod pulls the telescopic rod to extend when the telescopic rod moves outwards, the telescopic rod moving outwards drives the sleeve to move, and the sleeve drives the gas rod to move, the gas pole can drive the cardboard and remove, the cardboard can contact and rub with the inner wall of mounting panel, make cardboard compression spring and promote the gas pole and insert in the sleeve, make gas pocket and the inside intercommunication of telescopic link, make external gas can get into in the telescopic link, and then let the telescopic link can stretch, when the stop function, the spring can drive the cardboard and reset and drive the gas pole and reset, make gas can't continue to get into in the telescopic link, the inside gaseous unable outflow of telescopic link, and then can realize the lock of telescopic link and die, thereby support the antenna body, along with the antenna body of adjusting higher, the angle that the telescopic link supported is just big more, the stability of device has been promoted greatly, prevent that wind from breaking the antenna body of extension.

Preferably, the surface of the limiting plate is provided with a waterproof collecting device, the waterproof collecting device comprises a waterproof plate, one side of the waterproof plate, which is far away from the threaded rod, is fixedly connected with a collecting box, and rainwater can be blocked by the waterproof plate and the collecting box in rainy days, so that the rainwater cannot contact with the motor, and the motor can be protected; fixed connection between the both sides of waterproof board and two limiting plates, the bottom of waterproof board and the top of mounting panel contact each other, the inner wall of waterproof board bottom and the surperficial sliding connection of rack.

Preferably, the inner wall of the collecting box is provided with a water diversion and accumulation device, the water diversion and accumulation device comprises a fixed rod, the surface of the fixed rod is rotatably connected with a limiting disc through a torsion spring, a lug is fixedly connected to the surface below the limiting disc, one side of the collecting box, which is far away from the threaded rod, is communicated with a flow guide pipe, a cam is fixedly connected to the surface of the threaded rod, the inner wall of the waterproof plate is slidably connected with a moving rod through an elastic part, when the motor is started, the cam is driven to rotate through an output shaft below the motor, the cam is driven to rotate and push the moving rod to move through a bulge, the moving rod pushes the lug on the limiting disc to enable the lug to drive the limiting disc to rotate on the surface of the fixed rod, the rotating enables the limiting disc to be out of contact with the inner wall of the collecting box, rainwater collected in the collecting box flows out of a sliding groove where the surface clamping plate of the mounting plate through the flow guide pipe, so that the rainwater is accumulated in the sliding groove to further drive impurities to float and enable the impurities to flow out of the sliding groove, and the antenna is installed at a high place where the telescopic device, and therefore, the impurities are prevented from being accumulated in the sliding groove; the both ends of dead lever and the inner wall fixed connection who collects the box, the lug is located the below of dead lever, the surface of lug and cam is kept away from to the carriage release lever one side and the surface mutual contact, the surface of carriage release lever and the inner wall sliding connection who collects the box, spacing dish is close to one side of honeycomb duct and the inner wall mutual contact of collecting the box.

Preferably, a rotating cleaning device is arranged on the inner wall of the sliding block and comprises a rotating plate, a plurality of bristles are fixedly connected to the surface of the rotating plate, limiting rods are fixedly connected to both sides of the rotating plate, a plurality of arc plates are fixedly connected to one side, close to the threaded rod, of each limiting plate, when the threaded rod is driven to rotate by a motor, the threaded rod can be in contact with the bristles on the rotating plate and can brush down dust and impurities on the surface of the threaded rod, and the dust and impurities are prevented from influencing threaded connection between the threaded rod and the sliding block, so that the threaded rod and the sliding block are clamped; the bottom of rotor plate is connected through the inner wall rotation of torsional spring and slider, the brush hair is kept away from the one end of rotor plate and the surface of threaded rod and is contacted each other, the surface of gag lever post and the surface of arc board contact each other, can drive the rotor plate when the slider is driven to remove together, the gag lever post on the rotor plate can be driven the removal together, and the gag lever post removes can with the limiting plate on the arc board contact and promoted the emergence rotation, the gag lever post can drive the rotor plate rotatory, the rotor plate rotation can drive the brush hair and rotate and make rotor plate and slider striking when taking place the vibration, the vibration can realize the automatically cleaning to the dust and the impurity on brush hair surface.

By adopting the technical scheme, the invention can bring the following beneficial effects:

1. this antenna that contains automatic telescopic machanism through the cooperation function between mounting panel, motor, limiting plate, slider, threaded rod, slide bar, antenna body, sliding sleeve, telescopic link, gear, rack, sleeve, gas pole, the cardboard to support the antenna body, along with the antenna body of adjusting is higher, the angle that the telescopic link supported is just big more, has promoted the stability of device greatly, prevents that wind from breaking the antenna body of extension.

2. This contain antenna that can automatic telescopic machanism, through the cooperation function between waterproof board, the collection box, the rainwater can be blockked by waterproof board and collection box during the rainy day for the rainwater can not contact with the motor, and then can protect the motor, prevents motor rainwater short circuit or damage.

3. This contain antenna that can automatic telescopic machanism through the cooperation function between dead lever, spacing dish, lug, honeycomb duct, cam, the carriage release lever for pile up and then drive some debris with dust leaf and float and make outside the outflow sliding tray in the rainwater of collecting gets into the sliding tray on the mounting panel, can effectually prevent that impurity from piling up the removal that influences the cardboard, and then lead to the flexible difficulty of device.

4. This antenna that contains automatic telescopic machanism through the cooperation function between rotor plate, brush hair, gag lever post, the arc board, can brush down with the dust and the impurity on rotor plate surface with the brush hair contact when the threaded rod is driven rotatoryly by the motor, prevents that dust and impurity from influencing the threaded connection between threaded rod and the slider, and then leads to the card between threaded rod and the slider to die.

Drawings

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

FIG. 2 is a schematic view of a threaded rod of the present invention;

FIG. 3 is a half sectional view of the telescopic rod structure of the present invention;

FIG. 4 is a half sectional view showing the multi-orientation structure of the collecting box of the present invention;

FIG. 5 is an enlarged view of the structure of the limiting plate of the present invention;

FIG. 6 is a half sectional view of the slider structure of the present invention.

In the figure: 1. mounting a plate; 2. a motor; 3. a limiting plate; 4. a slider; 5. a threaded rod; 6. a slide bar; 7. a waterproof collection device; 71. a waterproof sheet; 72. a collection box; 8. a water diversion and accumulation device; 81. fixing the rod; 82. a limiting disc; 83. a bump; 84. a flow guide pipe; 85. a cam; 86. a travel bar; 9. rotating the cleaning device; 91. a rotating plate; 92. brushing; 93. a limiting rod; 94. an arc plate; 10. an antenna body; 11. a sliding sleeve; 12. a telescopic rod; 13. a gear; 14. a rack; 15. a sleeve; 16. a gas lever; 17. and (4) clamping the board.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

An antenna comprising an automatic telescopic mechanism is disclosed, as shown in fig. 1-6, and comprises a mounting plate 1, wherein a motor 2 is mounted on the inner wall of the mounting plate 1, two limiting plates 3 are fixedly connected to the top of the mounting plate 1, a sliding block 4 is slidably connected to the surfaces of the limiting plates 3, a threaded rod 5 is fixedly connected to the output end of the motor 2, a sliding rod 6 is slidably connected to the surface of the threaded rod 5, an antenna body 10 is fixedly connected to the top end of the sliding rod 6, a sliding sleeve 11 is fixedly connected to the surface of the sliding rod 6, a telescopic rod 12 is rotatably connected to the surface of the sliding sleeve 11, a gear 13 is fixedly connected to the surface of the threaded rod 5, a rack 14 is meshed to the surface of the gear 13, a sleeve 15 is fixedly connected to the inner wall of the telescopic rod 12, an air rod 16 is slidably connected to the inner wall of the sleeve 15, a clamping plate 17 is fixedly connected to one end of the air rod 16 far away from the telescopic rod 12, the motor 2 is started to drive the threaded rod 5 to rotate when adjustment is needed, the threaded rod 5 drives the sliding rod 6 to rotate, but the sliding rod 6 is limited by the limiting plate 3 on the sliding block 4, so that the sliding rod 6 is driven to move up and down by the threaded rod 5, thereby enabling the antenna body 10 to be adjusted automatically telescopically adjusted, and simultaneously driving the sliding sleeve 11 to move together; intercommunication between gas pole 16 and cardboard 17, the spring has been cup jointed on the surface of gas pole 16, and the both ends of spring respectively with cardboard 17 and sleeve 15's fixed surface connection, cardboard 17's both sides and mounting panel 1's inner wall sliding connection, rack 14's bottom and mounting panel 1's top sliding connection, threaded rod 5's surface and slider 4's inner wall threaded connection bottom, slider 4's top and slide bar 6's bottom fixed connection, threaded rod 5's rotation can drive gear 13 rotatory, gear 13 can drive rack 14 and move, rack 14 can promote telescopic link 12 and move, slide bar 6 goes up sliding sleeve 11 can stimulate telescopic link 12 extension when telescopic link 12 outwards moves, and outwards moving telescopic link 12 can drive sleeve 15 and move, sleeve 15 can drive gas pole 16 and move, gas pole 16 can drive cardboard 17 and move, cardboard 17 can contact and rub with mounting panel 1's inner wall, make cardboard 17 compression spring and promote gas pole 16 insert in sleeve 15, make gas pocket and telescopic link 12 inside intercommunication, make external gas can get into telescopic link 12, and then let telescopic link 12 can not get into the telescopic link 12 and the telescopic link 12 can's the big more high-rate air lock the body that the air that the antenna can not drive, thereby the antenna's that the antenna can's that the air can's that the dead can not reach, the regulation body that the telescopic link can not reach, thereby the antenna is more greatly, thereby the antenna's that the telescopic link can not be realized the telescopic link can not be more the telescopic link 12 that the telescopic link can not be recovered, the telescopic link 12 that the telescopic link can be recovered, thereby the antenna is carried out the stability is more greatly, thereby the telescopic link is more.

The surface of the limiting plate 3 is provided with a waterproof collecting device 7, the waterproof collecting device 7 comprises a waterproof plate 71, one side of the waterproof plate 71, which is far away from the threaded rod 5, is fixedly connected with a collecting box 72, and rainwater can be blocked by the waterproof plate 71 and the collecting box 72 in rainy days, so that the rainwater cannot contact with the motor 2, and further the motor 2 can be protected; the two sides of the waterproof board 71 are fixedly connected with the two limiting plates 3, the bottom of the waterproof board 71 is in contact with the top of the mounting plate 1, and the inner wall of the bottom of the waterproof board 71 is in sliding connection with the surface of the rack 14.

Preferably, the inner wall of the collection box 72 is provided with the water diversion and accumulation device 8, the water diversion and accumulation device 8 comprises a fixed rod 81, the surface of the fixed rod 81 is rotatably connected with a limiting disc 82 through a torsion spring, a lug 83 is fixedly connected to the surface below the limiting disc 82, one side of the collection box 72, which is far away from the threaded rod 5, is communicated with a flow guide pipe 84, a cam 85 is fixedly connected to the surface of the threaded rod 5, the inner wall of the waterproof plate 71 is slidably connected with a movable rod 86 through an elastic part, when the motor 2 is started, the cam 85 is driven to rotate through an output shaft below, the cam 85 is rotated and pushes the movable rod 86 to move through a bulge, the movable rod 86 pushes the lug 83 on the limiting disc 82, the lug 83 drives the limiting disc 82 to rotate on the surface of the fixed rod 81, the rotation can make the limiting disc 82 not contact with the inner wall of the collection box 72 any more, so that rainwater collected in the collection box 72 flows out of the sliding groove where the clamping plate 17 on the surface of the mounting plate 1 through the flow guide pipe 84, rainwater is accumulated in the sliding groove, so that some impurities in the rainwater are accumulated in the sliding groove and then the sliding groove, and the rainwater is prevented from flowing out of the sliding plate 17, and the rainwater is prevented from being accumulated, and the rainwater is effectively removed, and the rainwater collecting device, and the rainwater is prevented from moving device, and the rainwater is prevented from being accumulated in the telescopic device; the two ends of the fixed rod 81 are fixedly connected with the inner wall of the collecting box 72, the projection 83 is positioned below the fixed rod 81, one side of the movable rod 86, which is far away from the projection 83, is contacted with the surface of the cam 85, the surface of the movable rod 86 is connected with the inner wall of the collecting box 72 in a sliding manner, and one side of the limiting disc 82, which is close to the flow guide pipe 84, is contacted with the inner wall of the collecting box 72.

The inner wall of the sliding block 4 is provided with a rotating cleaning device 9, the rotating cleaning device 9 comprises a rotating plate 91, the surface of the rotating plate 91 is fixedly connected with a plurality of bristles 92, both sides of the rotating plate 91 are fixedly connected with limiting rods 93, one side of the limiting plate 3 close to the threaded rod 5 is fixedly connected with a plurality of arc plates 94, when the threaded rod 5 is driven by the motor 2 to rotate, the threaded rod 5 can be contacted with the bristles 92 on the rotating plate 91 and can brush down dust and impurities on the surface of the threaded rod 5, and the dust and impurities are prevented from influencing threaded connection between the threaded rod 5 and the sliding block 4, so that the threaded rod 5 and the sliding block 4 are clamped; the bottom of rotor plate 91 is connected through the inner wall rotation of torsional spring and slider 4, the one end that rotor plate 91 was kept away from to brush hair 92 and the surface contaction of threaded rod 5, the surface of gag lever post 93 and the surface contaction of arc board 94, slider 4 can drive rotor plate 91 and move together when being driven the removal, gag lever post 93 on the rotor plate 91 can be driven the removal together, and gag lever post 93 removes can with limiting plate 3 go up arc board 94 contact and promoted the emergence rotation, gag lever post 93 can drive rotor plate 91 rotatory, rotor plate 91 is rotatory can drive brush hair 92 and rotate and make rotor plate 91 and slider 4 take place the vibration when striking, the vibration can realize the automatically cleaning to the dust and the impurity on brush hair 92 surface.

The working principle is that when adjustment is needed, the motor 2 is started and drives the threaded rod 5 to rotate, the threaded rod 5 drives the sliding rod 6 to rotate, but the sliding rod 6 is limited by the limiting plate 3 on the sliding block 4, so the sliding rod 6 is driven by the threaded rod 5 to move up and down, the antenna body 10 can be adjusted in an automatic telescopic mode, the sliding rod 6 drives the sliding sleeve 11 to move together while adjusting, the sliding sleeve 11 moves and drives the telescopic rod 12 to move together, meanwhile, the rotation of the threaded rod 5 drives the gear 13 to rotate, the gear 13 drives the rack 14 to move, the rack 14 pushes the telescopic rod 12 to move, when the telescopic rod 12 moves outwards, the sliding sleeve 11 on the sliding rod 6 pulls the telescopic rod 12 to extend, the outwards moving telescopic rod 12 drives the sleeve 15 to move, the sleeve 15 drives the air rod 16 to move, the air rod 16 drives the clamping plate 17 to move, the clamping plate 17 contacts and rubs with the inner wall of the mounting plate 1, the air rod 17 compresses the spring and pushes the air rod 16 to insert into the sleeve 15, so that the air hole is communicated with the inside of the telescopic rod 12, so that external air can enter the telescopic rod 12 and further prevent the telescopic rod from entering the telescopic rod 12 and extending and further, the telescopic rod 12, the telescopic rod can not be capable of adjusting the antenna body, and further, the stability of the telescopic rod can be improved air locking device for preventing the telescopic rod 10 from being capable of adjusting the telescopic rod 12 from being damaged by the telescopic rod 12;

in rainy days, rainwater can be blocked by the waterproof plate 71 and the collecting box 72, so that the rainwater cannot contact with the motor 2, and the motor 2 can be protected;

when the motor 2 is started, the cam 85 is driven to rotate through the output shaft below, the cam 85 rotates and pushes the moving rod 86 to move through the bulge, the moving rod 86 pushes the lug 83 on the limiting disc 82, the lug 83 drives the limiting disc 82 to rotate on the surface of the fixed rod 81, the limiting disc 82 can not be in contact with the inner wall of the collecting box 72 due to rotation, rainwater collected in the collecting box 72 flows out of the sliding groove where the clamping plate 17 on the surface of the mounting plate 1 is located through the flow guide pipe 84, rainwater is accumulated in the sliding groove, then dust and leaf impurities are driven to float and flow out of the sliding groove, and due to the fact that the antenna is mounted at a high position, workers cannot conveniently clean the sliding groove, therefore, the impurities are floated and removed through inflow of the rainwater, the phenomenon that the impurities are accumulated to influence movement of the clamping plate 17 can be effectively prevented, and then the device is made to stretch;

when the threaded rod 5 is driven by the motor 2 to rotate, the threaded rod 5 can contact with the brush hair 92 on the rotating plate 91 and brush down the dust and impurities on the surface of the threaded rod 5, prevent that the dust and impurities from influencing the threaded connection between the threaded rod 5 and the slider 4, and then lead to the card death between the threaded rod 5 and the slider 4, the slider 4 can drive the rotating plate 91 to move together when being driven to move, the limiting rod 93 on the rotating plate 91 can be driven to move together, and the limiting rod 93 moves to contact with the arc plate 94 on the limiting plate 3 and is pushed to rotate, the limiting rod 93 can drive the rotating plate 91 to rotate, the rotating plate 91 can drive the brush hair 92 to rotate and make the rotating plate 91 vibrate when colliding with the slider 4, and the vibration can realize self-cleaning to the dust and impurities on the surface of the brush hair 92.

The present invention provides an antenna with an automatic retractable mechanism, and a plurality of methods and ways for implementing the technical solution, and the above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. An antenna that contains automatic telescopic machanism, includes mounting panel (1), its characterized in that: motor (2) are installed to the inner wall of mounting panel (1), two limiting plates (3) of top fixedly connected with of mounting panel (1), the sliding surface of limiting plate (3) is connected with slider (4), output fixedly connected with threaded rod (5) of motor (2), the sliding surface of threaded rod (5) is connected with slide bar (6), the top fixedly connected with antenna body (10) of slide bar (6), the fixed surface of slide bar (6) is connected with sliding sleeve (11), the surface of sliding sleeve (11) is rotated and is connected with telescopic link (12), the fixed surface of threaded rod (5) is connected with gear (13), the surface meshing of gear (13) has rack (14), the inner wall fixedly connected with sleeve (15) of telescopic link (12), the inner wall sliding connection of sleeve (15) has gas pole (16), the one end fixedly connected with cardboard (17) of telescopic link (12) is kept away from gas pole (16).

2. An antenna comprising an automatically retractable mechanism according to claim 1, wherein: the gas pole (16) and cardboard (17) communicate each other, the surface of gas pole (16) has cup jointed the spring, and the both ends of spring respectively with the fixed surface connection of cardboard (17) and sleeve (15), the both sides of cardboard (17) and the inner wall sliding connection of mounting panel (1), the bottom of rack (14) and the top sliding connection of mounting panel (1), the surface of threaded rod (5) and the inner wall threaded connection of slider (4) bottom, the top of slider (4) and the bottom fixed connection of slide bar (6).

3. An antenna comprising an automatically retractable mechanism according to claim 1, wherein: the surface of limiting plate (3) is provided with waterproof collection device (7), waterproof collection device (7) are including waterproof board (71), one side fixedly connected with collection box (72) of threaded rod (5) are kept away from in waterproof board (71).

4. An antenna comprising an automatically retractable mechanism according to claim 3, wherein: fixed connection between the both sides of waterproof board (71) and two limiting plate (3), the bottom of waterproof board (71) and the top of mounting panel (1) contact each other, the inner wall of waterproof board (71) bottom and the surperficial sliding connection of rack (14).

5. An antenna comprising an automatically retractable mechanism according to claim 4, wherein: the inner wall of collecting box (72) is provided with water conservancy diversion ponding device (8), water conservancy diversion ponding device (8) are including dead lever (81), the surface of dead lever (81) rotates through the torsional spring and is connected with spacing dish (82), the fixed surface of spacing dish (82) below is connected with lug (83), one side intercommunication that threaded rod (5) were kept away from in collection box (72) has honeycomb duct (84), the fixed surface of threaded rod (5) is connected with cam (85), the inner wall of waterproof board (71) has carriage release lever (86) through elastic component sliding connection.

6. An antenna comprising an automatically retractable mechanism, as claimed in claim 5, wherein: the utility model discloses a fixing device for a solar cell, including dead lever (81), lug (83) are located the below of dead lever (81), one side that lug (83) were kept away from in carriage release lever (86) and the surface of cam (85) contact each other, the surface of carriage release lever (86) and the inner wall sliding connection of collecting box (72), spacing dish (82) are close to one side of honeycomb duct (84) and the inner wall of collecting box (72) contact each other.

7. An antenna comprising an automatically retractable mechanism according to claim 1, wherein: the inner wall of slider (4) is provided with rotates cleaning device (9), rotate cleaning device (9) including rotating plate (91), the fixed surface of rotating plate (91) is connected with a plurality of brush hairs (92), the equal fixedly connected with gag lever post (93) in both sides of rotating plate (91), limiting plate (3) are close to a plurality of arc boards (94) of one side fixedly connected with of threaded rod (5).

8. An antenna comprising an automatically retractable mechanism according to claim 7, wherein: the bottom of the rotating plate (91) is rotatably connected with the inner wall of the sliding block (4) through a torsion spring, one end, far away from the rotating plate (91), of the brush hair (92) is in contact with the surface of the threaded rod (5), and the surface of the limiting rod (93) is in contact with the surface of the arc plate (94).