CN108767419B - Outdoor antenna protection device - Google Patents

Abstract

Outdoor antenna protector includes the base, locates elevating gear on the base, locates the antenna main part on elevating gear, locates the protector in the antenna main part, wherein: the lifting device comprises an upright post arranged on the base and a lifting ring sleeved on the upright post, wherein the upright post is provided with a rack arranged up and down, the lifting ring is provided with a gear driven by a motor to rotate, and the gear is meshed with the rack; the antenna body comprises an antenna rod, and a director, a vibrator and a reflector which are arranged on two sides of the antenna rod, and the antenna body is rotatably arranged on the lifting ring. The protective device can be used for unfolding structures such as the oscillator on the antenna main body under severe weather environment, and the service life is long.

Description

Outdoor antenna protection device

Technical Field

The invention belongs to the field of outdoor antennas, and particularly relates to an outdoor antenna protection device.

Background

An antenna is a device for transmitting or receiving electromagnetic waves, all devices which transmit information by using electromagnetic waves, such as televisions, broadcasts, radio communications, radars, navigation and the like, work by depending on the antenna, and an outdoor antenna is one of the antennas, such as an outdoor television antenna, which has a relatively large volume and is generally installed outside a building, such as a roof, a wall and the like.

Generally, the outdoor antenna is basically not moved once installed, and when a failure occurs, the outdoor antenna needs to be taken down as a whole for maintenance, which is troublesome. Meanwhile, the oscillator structure on the antenna is fragile and easy to be damaged by hard objects, strong wind and the like, and few protection mechanisms for solving the problem exist in the prior art.

Therefore, the present invention provides further design and improvement of the protection device in the outdoor antenna in the prior art for some of the above problems.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides the outdoor antenna protection device, which can conveniently adjust the height of the antenna, and is also provided with the oscillator protection device, so that the oscillator can be well protected when necessary.

In order to solve the above technical problems, the present invention is solved by the following technical solutions.

The outdoor antenna protection device comprises a protection sleeve component, a moving component and a driving component, wherein the protection sleeve component is arranged on the side part of the antenna main body and can extend outwards to protect the director, the vibrator or the reflector after extending; the mobile assembly can move on the antenna main body and passes through the protective sleeve assembly when moving, a transverse push rod is arranged on the mobile main body, and the transverse push rod can push the protective sleeve assembly to extend outwards; the driving assembly is used for driving the moving assembly to move and comprises a driving motor, a screw rod is connected to a rotating shaft of the driving motor, the screw rod penetrates through a screw hole in the moving assembly, the screw hole is in threaded fit with the screw rod, and the moving assembly is driven to move when the screw rod rotates.

According to the invention, the driving assembly drives the moving assembly to move, and the protective sleeve assembly can be sequentially pushed to extend outwards through the movement of the moving assembly and the action of the transverse push rod on the moving assembly, so that the protective sleeve assembly covers the director or the vibrator or the reflector, the antenna is well protected, and the antenna is particularly suitable for severe weather such as hail, high wind and the like.

Preferably, in the protection device, the protection cover assembly includes a side block, an upper block set sleeved with each other is fixed on the side block, a spring with one end connected with the side wall of the antenna rod is further provided on the side block, a frame is further provided on the side block, the director or the vibrator or the reflector is inserted into the frame, and a falling block capable of falling is provided on the side block. In the structure, the upper baffle group can extend outwards under the action of the transverse push rod to cover the director or the vibrator or the reflector, when the upper baffle group extends to a certain position, the falling baffle receives gravity and falls, the falling baffle blocks the outer end of the director or the vibrator or the reflector at the moment, the protection device is fixed after being unfolded, the director or the vibrator or the reflector is covered, and meanwhile, the spring is in a stretching state. When the antenna needs to be folded, the antenna main body rotates 180 degrees, then the transverse push rod pushes outwards slightly, then the falling stop block falls under the action of gravity, at the moment, the guider or the vibrator or the reflector can penetrate into the frame body, and after the transverse push rod is turned, the upper stop block group and the side stop block return under the action of the spring.

Preferably, in the protection device, the frame body is provided with a falling groove for accommodating the falling stopper, when the falling stopper enters the falling groove, the through hole on the frame body is closed or partially closed, and the falling stopper is stopped at the outer end of the director, the vibrator or the reflector, so that the protection device is fixed after being unfolded, and the director, the vibrator or the reflector is covered.

Preferably, in the protection device, the moving assembly comprises a top block, a transverse push rod capable of extending towards two sides is arranged in the top block, and the transverse push rod is driven by a hydraulic cylinder or an air cylinder; the lower extreme of kicking block is equipped with the connecting block that stretches into in the cavity, is equipped with the screw on this connecting block.

Preferably, in the protection device, protruding convex strips for reducing friction resistance are arranged on two sides of the connecting block, the convex strips are in contact with two side walls of the cavity, and the convex strips can be made of smooth plastic materials to reduce friction resistance during movement.

Compared with the prior art, the invention has the following beneficial effects: the utility model provides an outdoor antenna protector, can expand the oscillator isotructure in the protection antenna main part under adverse weather environment, longe-lived.

Drawings

Fig. 1 is a schematic view illustrating an operation state of an outdoor antenna according to the present invention.

Fig. 2 is a schematic view of the outdoor antenna of the present invention after rotating a certain angle.

Fig. 3 is a schematic view of the outdoor antenna according to the present invention after the antenna body is lowered.

Fig. 4 is a schematic view of the outdoor antenna protection device according to the present invention after being opened.

Fig. 5 is an enlarged view of the area a in fig. 4.

Fig. 6 is an exploded view of the base and the lifting device of the present invention.

Fig. 7 is an exploded view of the antenna body of the present invention.

Fig. 8 is an enlarged view of the region B in fig. 7.

Fig. 9 is a first exploded view of a mobile module in an outdoor antenna according to the present invention.

Fig. 10 is a second exploded view of the mobile module of the outdoor antenna of the present invention.

Fig. 11 is an exploded view of the first protection device of the present invention.

Fig. 12 is a second exploded view of the shielding device of the present invention. .

Fig. 13 is a third exploded view of the guard of the present invention.

Fig. 14 is a fourth exploded view of the guard of the present invention.

Fig. 15 is a schematic view of the assembly of the antenna body and the shielding device according to the present invention.

Fig. 16 is an enlarged view of the region C in fig. 15.

Fig. 17 is an assembly view of the outdoor antenna of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 17, the outdoor antenna according to the present invention includes a base 1, a lifting device provided on the base 1, an antenna body 4 provided on the lifting device, and a protection device provided on the antenna body 4, wherein the above devices have the following structural features.

The lifting device, as shown in fig. 6, comprises a column 2 disposed on the base 1 and a lifting ring 3 sleeved on the column 2, wherein the column 2 is provided with a rack 25 disposed up and down, the lifting ring 3 is provided with a gear 32 driven by a motor 31 to rotate, and the gear 32 is engaged with the rack 25. Specifically, one side of stand 2 is equipped with the rack groove 21 of vertical setting, rack 25 is arranged in this rack groove 21 and is realized fixing, if: and are bolted through the aligned screw holes 22, 26. One side of lifting ring 3 is equipped with the gear installation cavity, and gear 32 installs in wherein, and motor 31 locates the lateral part in this gear installation cavity and is used for drive gear 32 to rotate, simultaneously, should be equipped with antenna motor 33 on lifting ring 3, specifically locate on the lateral wall of gear installation cavity, this antenna motor 33 and antenna main part 4's tip key-type connection and be used for driving antenna main part 4 to rotate, also can adopt other additional structure to increase joint strength, for example buckled rotation connection structure or telescopic rotation connection structure.

As shown in fig. 7, the antenna body 4 includes an antenna rod 41, and a director 42, a vibrator 43, and a reflector 44 disposed on both sides of the antenna rod 41, wherein the director 42, the vibrator 43, and the reflector 44 respectively penetrate through side holes 413 on both sides of the antenna rod 41, spring fixing holes 414 are further disposed on both sides of the antenna rod 41, and the antenna body 4 is rotatably disposed on the lifting ring 3; the antenna rod 41 is provided with a cavity 411 therein, and the driving assembly and a part of the moving assembly 5 are placed in the cavity 411. Specifically, an end cap assembly 45 is fixed at one end of the antenna rod 41, a driving assembly is fixed at the inward side of the end cap assembly 45, and the outward side of the end cap assembly 45 is in key connection with the rotating shaft 331 of the antenna motor 33 on the lifting ring 3.

The shielding device, as shown in fig. 15, comprises a shield assembly 6, a moving assembly 5 and a driving assembly. The protective sleeve component 6 is arranged on the side part of the antenna main body 4, and the protective sleeve component 6 can extend outwards and protect the director 42 or the vibrator 43 or the reflector 44 after extending; the moving assembly 5 can move on the antenna body 4 and passes through the protective cover assembly 6 when moving, a transverse push rod 52 is arranged on the moving body 5, and the transverse push rod 52 can push the protective cover assembly 6 to extend outwards; the driving assembly is used for driving the moving assembly 5 to move, the driving assembly comprises a fixing block 47 arranged on one inward side of the end cover assembly 45, a driving motor 46 is arranged on the fixing block 47, a screw rod 48 is connected to a rotating shaft of the driving motor 46, the screw rod 48 penetrates through a screw hole 531, matched with the screw thread, in the moving assembly 5, and the screw rod 48 drives the moving assembly 5 to move when rotating.

Specifically, as shown in fig. 11 to 14, in the protection device, the protective cover assembly 6 includes a side block 61, an upper block set 62,63,64 that are sleeved with each other is fixed on the side block 61, a spring 67 with one end connected to a spring fixing hole 414 on a side wall of the antenna rod 41 is further provided on the side block 61, a frame 65 is further provided on the side block 61, the director 42, the vibrator 43, and the reflector 44 respectively penetrate through the frame 65 of the protection device corresponding to each other, a falling block 66 capable of falling is provided on the side block 61, a falling groove 651 for accommodating the falling block 66 is provided on the frame 65, and a through hole on the frame 65 is closed or partially closed after the falling block 66 enters the falling groove 651. In addition, the bottom of the outermost block of the upper block groups 62,63,64 is provided with a rib 641, the rib 641 is disposed in the guiding groove 416 at the top of the antenna rod 41 to realize guiding and positioning during relative movement, and the end of the guiding groove 416 is also provided with an anti-dropping block. In addition, as shown in fig. 5, in this embodiment, the protective cover assembly 6 may further include a telescopic sleeve 69 (e.g., a sleeved square frame or a flexible telescopic sleeve), one end of the telescopic sleeve 69 is connected to the side block 61, and the other end of the telescopic sleeve 413 is connected to the side block 61, so that the telescopic sleeve can extend and contract with the movement of the side block 61, thereby well protecting the vibrator and other structures.

In addition, as shown in fig. 7, 9 and 10, in the protection device, the moving assembly 5 comprises a top block 51, a transverse push rod 52 which can extend towards two sides is arranged in the top block 51, and the transverse push rod 52 is driven by a hydraulic cylinder or an air cylinder; the lower extreme of kicking block 51 is equipped with the connecting block 53 that stretches into in the cavity 411, is equipped with screw 531 on this connecting block 53, in addition, the both sides of connecting block 53 are equipped with convex sand grip 532 that is used for reducing frictional resistance, and this sand grip 532 and the both sides wall contact of cavity 411, sand grip 532 can be smooth plastics material or polytetrafluoroethylene material. In the structure, the driving motor 46 rotates to drive the screw 48 to rotate, and then drives the connecting block 53 which is in threaded fit with the screw 48 to move, so that the top block 51 moves; forward and reverse rotation of the drive motor 46 may control the direction of movement.

The connection relations among some elements in the invention are conventional key connection, thread connection, screw connection, welding and the like if no special description is given, and the antenna is also provided with a conventional antenna electronic module comprising a signal receiver, an amplifier, a converter and the like. The control mode, the connection mode and the switch mode of the electric elements are all conventional structures. In the invention, each electric unit such as a motor, a hydraulic part and the like on the antenna is controlled by a controller placed indoors, and the operation and control mode is a conventional electric control mode.

Specifically, the during operation is placed outdoor antenna in this application on roof or other spacious places, and behind the circular telegram work, motor 31 rotation among the elevating gear drives gear 32 and rotates, drives lifting ring 3 along rack 25 up-and-down motion, and then realizes the position adjustment of antenna main part 4, easy to assemble and maintenance.

In normal operation, the shielding device is in a folded state, as shown in fig. 1, and the director 42, the vibrator 43 and the reflector 44 are exposed for receiving signals. When the protection function needs to be started in severe weather, the controller can be used for controlling the protection device to work as follows.

In the initial state, the moving assembly 5 is located at the outermost end of the antenna body 4, the transverse push rod 52 is located at the inner limit position of the top plate 51 at this time, the shielding assembly 6 is in the contracted state, the spring 67 is not stressed, the falling stopper 66 is located at the upper end limit position in the side stopper 61 at this time, and the falling stopper 66 cannot move downwards under the support of the guider 42, the vibrator 43 and the reflector 44.

When severe weather occurs, the controller controls the driving assembly to start, the driving motor 46 rotates to drive the screw rod 48 to rotate, and further drives the top plate 51 to move, under the interaction between the inclined surface at the front end of the top plate 51 and the inclined surface at one side of the stop block 64, the stop block 64 is pushed to the outer end limit position by the top plate 51, when the top plate 51 moves to the middle position of the stop block 64, the driving motor 46 stops moving, then the two transverse push rods 52 extend towards two sides to drive the upper stop block groups 62,63 and 64 to expand to the outer side limit position, in the process, the telescopic sleeve 69 extends, the spring 67 extends and is stressed, when the upper stop block groups expand to the outer side limit position, the whole length of the protective cover assembly 6 is greater than the length of the director 42/vibrator 43/reflector 44, at the moment, the side stop block 61 is not in contact with the director 42/vibrator 43/reflector 44 any more, then the transverse push rod 52 is reset, after the protecting sleeve assembly 6 retracts for a certain distance under the action of the spring 67, the falling stop block 66 is contacted with the guider 42/the vibrator 43/the reflector 44, so that the falling stop block 66 cannot move back, and in the process that the falling stop block 66 moves outwards, dirt such as sundries accumulated on the guider 42/the vibrator 43/the reflector 44 is wiped off by the falling stop block 66; then the first driving motor 46 works to continuously drive the moving component 5 to move, and when the moving component 5 moves to the middle position of the next protecting sleeve component 6, the actions are repeated; when all the protective cover assemblies 6 have been moved to the outer extreme positions, i.e. the director 42, the vibrator 43, the reflector 44 are in the protective state, and in the protective state, the side stoppers 61 are not in the outer end extreme positions.

When severe weather passes, the rotating motor is started, the antenna body 4 rotates one hundred eighty degrees, the transverse push rod 52 is started, the transverse push rod 52 pushes the side stop block 61 to move to the outer end limit position, at the moment, the falling stop block 66 is separated from the contact with the guider 42, the vibrator 43 and the reflector 44, the falling stop block 66 moves to the inner groove of the side stop block 61 under the action of gravity, then the transverse push rod 52 resets, the protecting jacket assembly 6 moves to the inner side limit position under the action of the spring 67, at the moment, the spring 67 is still in a tension state, the driving motor 46 rotates to drive the screw rod 48 to rotate, as the moving assembly 5 moves out of the position of the protecting jacket assembly 6, the protecting jacket assembly 6 resets under the action of the spring 67, and at the moment, the spring 67; when the moving assembly 5 moves to the outer limit position, all the protective sleeve assemblies 6 are reset, and then the rotating motor is reset to drive the antenna to rotate for one hundred eighty degrees.

In the working state, the antenna motor 33 can drive the antenna body 4 to rotate, so that the antenna body 4 can receive signals transmitted from different directions. When the antenna body 4 needs to be maintained, the motor 31 is activated to move the antenna body 4 downward for the convenience of a worker.

As described above, the present invention provides an outdoor antenna protection device, which can be deployed in a severe weather environment to protect structures such as a vibrator on an antenna main body, and has a long service life.

The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.

Claims (5)

1. The outdoor antenna protection device is characterized by comprising a protection sleeve assembly (6), a moving assembly (5) and a driving assembly, wherein the protection sleeve assembly (6) is arranged on the side part of an antenna main body (4), the protection sleeve assembly (6) can extend outwards and plays a role in protecting a director (42), a vibrator (43) or a reflector (44) after extending; the moving assembly (5) can move on the antenna main body (4) and passes through the protective sleeve assembly (6) when moving, a transverse push rod (52) is arranged on the moving body (5), and the transverse push rod (52) can push the protective sleeve assembly (6) to extend outwards; the driving assembly is used for driving the moving assembly (5) to move and comprises a driving motor (46), a screw rod (48) is connected to a rotating shaft of the driving motor (46), the screw rod (48) penetrates through a screw hole (531) in the moving assembly (5) and in threaded fit with the screw rod, and the screw rod (48) drives the moving assembly (5) to move when rotating.

2. The outdoor antenna protection device according to claim 1, wherein the protective sleeve assembly (6) comprises a side block (61), an upper block set (62, 63, 64) sleeved with each other is fixed on the side block (61), a spring (67) with one end connected with the side wall of the antenna rod (41) is further arranged on the side block (61), a frame body (65) is further arranged on the side block (61), the director (42) or the vibrator (43) or the reflector (44) penetrates through the frame body (65), and a falling block (66) capable of falling is arranged on the side block (61).

3. Outdoor antenna protection device according to claim 2, characterized in that in the protection device, the frame (65) is provided with a drop chute (651) for accommodating the drop stop (66), and the through hole in the frame (65) is closed or partially closed when the drop stop (66) enters the drop chute (651).

4. Outdoor antenna protection device according to claim 1, characterized in that in the protection device, the moving assembly (5) comprises a top block (51), a transverse push rod (52) capable of extending to both sides is arranged in the top block (51), and the transverse push rod (52) is driven by a hydraulic cylinder or an air cylinder; antenna body (4) include antenna mast (41), be equipped with cavity (411) in antenna mast (41), the lower extreme of kicking block (51) is equipped with connecting block (53) that stretch into in cavity (411), is equipped with screw (531) on this connecting block (53).

5. Outdoor antenna protection device according to claim 4, characterized in that in the protection device, both sides of the connection block (53) are provided with protruding ribs (532) for reducing frictional resistance, and the ribs (532) are in contact with both side walls of the cavity (411).

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