CN208352508U - A kind of protective device in exterior aerial - Google Patents

Abstract

A kind of protective device in exterior aerial, the protective device includes protective jacket component, moving assembly and flexible driving assembly, the protective jacket component is set to the side of antenna body, and the protective jacket component can flex outward, and play protective action to director or oscillator or reflector after stretching, extension；The moving assembly can pass through protective jacket component when moving and moving on antenna body, which is equipped with lateral push rod, which can push protective jacket component to flex outward；The flexible driving assembly is used to drive the movement of moving assembly, which is cylinder push-rod or hydraulic stem in antenna body.The utility model provides a kind of protective device in exterior aerial, can according to need expansion, the structures such as oscillator can be coated to structures, the service life such as the oscillator being wherein especially suitable on protection antenna body in bad weather conditions long after expansion.

Description

A kind of protective device in exterior aerial

Technical field

The utility model belongs to exterior aerial field, and in particular to a kind of protective device in exterior aerial.

Background technique

Antenna is a kind of device for emitting or receiving electromagnetic wave, all equipment for using electromagnetic waves to transmitting information, Such as TV, broadcast, radio communication, radar, navigation etc., antenna is depended on to work, and exterior aerial is antenna One kind, such as outdoor television antenna, volume is relatively large, is generally all installed on outside building, such as outside roof, wall.

In general, exterior aerial once installs cannot move again substantially, need entirety when a failure occurs It takes off and repairs, it is more troublesome, it is therefore desirable to which that the safeguard function for increasing antenna extends its maintenance cycle.Meanwhile on antenna Oscillator structure it is more fragile, be easy to be damaged by hard object, high wind etc., in the prior art the also rare protection machine for solving the problems, such as this Structure.

Therefore, for some of the above problem, the utility model to the protective device in exterior aerial in the prior art into Further design and improvement are gone.

Utility model content

For the above deficiency in the prior art, the utility model provides a kind of protection dress in exterior aerial It sets, good safeguard function can be played to oscillator when necessary.

In order to solve the above-mentioned technical problem, the utility model is addressed by following technical proposals.

A kind of protective device in exterior aerial, the protective device include protective jacket component, moving assembly and stretch Contracting driving assembly, the protective jacket component is set to the side of antenna body, and the protective jacket component can flex outward, right after stretching, extension Director or oscillator or reflector play protective action；The moving assembly can be when moving on antenna body and moving by anti- Jacket assembly, the moving assembly are equipped with lateral push rod, which can push protective jacket component to flex outward；It is described flexible Driving assembly is used to drive the movement of moving assembly, which is the cylinder push-rod or hydraulic in antenna body Bar.

In protective device in the antenna of the utility model, the driving assembly that stretches drives the movement of moving assembly, passes through shifting The movement of lateral push rod, can successively push protective jacket component to extend outwardly, make to protect in the movement of dynamic component and moving assembly Set component covers director or oscillator or reflector, plays the role of protecting antenna well, is particularly suitable for hail, blast etc. In bad weather.

Preferably, the protective jacket component includes side block blocks, the upper stopper group being mutually socketed is fixed in the side block blocks, The spring that one end is connected with the side wall of mast is additionally provided in side block blocks, be additionally provided in side block blocks framework, director or oscillator or Reflector is through in the framework, and the side block blocks are equipped with the whereabouts block that can be fallen.In the structure, upper stopper group can be It is flexed outward under the action of lateral push rod, envelopes director or oscillator or reflector, when being stretched over certain position, fall gear Block receives gravity fall, and block gear in whereabouts is in the outer end of director or oscillator or reflector at this time, after realizing protective device expansion Fixation, director or oscillator or reflector are enveloped, while spring is in tensional state.When needing to collapse, antenna master Body rotates 180 °, and then lateral push rod is extrapolated slightly past, and then whereabouts block falls under the effect of gravity, guides at this time Device or oscillator or reflector can be through in framework, and after lateral Push rod hand cart is gone, upper stopper group and side block blocks are returned under the action of the spring Position.

Preferably, the moving assembly includes jacking block, the lateral push rod that can be stretched out to two sides, the cross are equipped in the jacking block It is driven to push rod by hydraulic cylinder or cylinder；The lower end of the jacking block is equipped with the connection component extending into cavity.

Preferably, realizing the movement of moving assembly, the effect after the flexible driving assembly and connection component phase separation It can be acted on for magnetic-adsorption.

Compared with prior art, the utility model has the following beneficial effects: providing a kind of in exterior aerial Protective device can according to need expansion, can coat wherein the structures such as oscillator after expansion, be particluarly suitable for bad weather ring Protect structures, the service life such as the oscillator on antenna body long under border.

Detailed description of the invention

Fig. 1 is the schematic diagram of the working condition of the exterior aerial in the utility model.

Fig. 2 is the schematic diagram after the exterior aerial in the utility model turns an angle.

Fig. 3 is the schematic diagram after the antenna body decline of the exterior aerial in the utility model.

Fig. 4 is the schematic diagram after the exterior aerial protective device in the utility model is opened.

Fig. 5 is the enlarged drawing of a-quadrant in Fig. 4.

Fig. 6 is the decomposition diagram of the pedestal and lifting device in the utility model.

Fig. 7 is the decomposition diagram of the antenna body in the utility model.

Fig. 8 is the enlarged drawing of B area in Fig. 7.

Fig. 9 is the decomposition diagram one of the moving assembly in the utility model in exterior aerial.

Figure 10 is the decomposition diagram two of the moving assembly in the utility model in exterior aerial.

Figure 11 is the decomposition diagram one of the protective device in the utility model.

Figure 12 is the decomposition diagram two of the protective device in the utility model.

Figure 13 is the decomposition diagram three of the protective device in the utility model.

Figure 14 is the decomposition diagram four of the protective device in the utility model.

Figure 15 is the assembling schematic diagram of the antenna body and protective device in the utility model.

Figure 16 is the enlarged drawing in the region C in Figure 15.

Figure 17 is the assembling schematic diagram of the exterior aerial in the utility model.

Specific embodiment

The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.

Referring to figs. 1 to Figure 17, a kind of lift exterior aerial involved in the utility model, including pedestal 1, be set to pedestal Lifting device on 1, the antenna body 4 on lifting device, the protective device on antenna body 4, wherein above Device specifically has structure feature below.

Lifting device, as shown in fig. 6, the lifting device includes the column 2 on pedestal 1 and is set in the column 2 On lifting circle 3, the column 2 is equipped with rack gear 25 setting up and down, and lifting circle 3 is equipped with by the driving rotation of motor 31 Gear 32, which engages with rack gear 25.Specifically, the side of the column 2 is equipped with the rach slot 21 being vertically arranged, institute It states rack gear 25 and is placed in realization fixation in the rach slot 21, such as: being fixed by the screw hole 22,26 of alignment with bolt.It is described The side of lifting circle 3 is equipped with gear installation cavity, and gear 32 is installed on wherein, and motor 31 is set to the side use of the gear installation cavity It is rotated in driving gear 32, meanwhile, which is equipped with antenna electrical 33, the specific outside for being set to gear installation cavity On wall, the end of the antenna electrical 33 and antenna body 4 is keyed and for driving antenna body 4 to rotate, and can also use it He increases bonding strength by additional structure, such as buckle-type rotation connection structure or telescopic rotation connection structure.

Antenna body, as shown in fig. 7, the antenna body 4 includes mast 41 and drawing set on 41 two sides of mast To device 42, oscillator 43, reflector 44, these directors 42, oscillator 43, reflector 44 are respectively from the side opening of 41 two sides of mast It is pierced by 413, the two sides of mast 41 are additionally provided with spring fixed hole 414, and the rotation of the antenna body 4 is set on lifting circle 3； Cavity 411 is equipped in the mast 41, the flexible driving assembly and partial movement component 5 are placed in the cavity 411.Specifically , one end of mast 41 is fixed with end-cap assembly 45, which is fixed with flexible driving assembly, should The shaft 331 of the side of end-cap assembly 45 outwardly and the antenna electrical 33 on lifting circle 3 is keyed.

Protective device, as shown in figure 15, the protective device include protective jacket component 6, moving assembly 5 and flexible driving group Part.The protective jacket component 6 is set to the side of antenna body 4, and the protective jacket component 6 can flex outward, to guiding into after stretching, extension Device 42 or oscillator 43 or reflector 44 play protective action；The moving assembly 5 passes through when can move and move on antenna body 4 Protective jacket component 6 is crossed, which is equipped with lateral push rod 52, which can push protective jacket component 6 to overhanging Exhibition；The flexible driving assembly is used to drive the movement of moving assembly 5, which is in antenna body 4 Cylinder push-rod or hydraulic stem.

Specifically, as illustrated in figs. 11-14, in protective device, the protective jacket component 6 includes side block blocks 61, the side block blocks It is fixed with the upper stopper group 62 being mutually socketed on 61,63,64, it is additionally provided on the side wall of one end and mast 41 in side block blocks 61 The connected spring 67 of spring fixed hole 414 is additionally provided with framework 65 in side block blocks 61, and director 42, oscillator 43, reflector 44 are distinguished It is through in the framework 65 of corresponding protective device, and the side block blocks 61 are equipped with the whereabouts block 66 that can be fallen, also, The framework 65 is equipped with the lower low water 651 for accommodating whereabouts block 66, after whereabouts block 66 enters in lower low water 651 Through-hole in closing or partially enclosed framework 65.In addition, the bottom of one piece of block of outermost of upper stopper group 62,63,64 is equipped with Fin 641, the fin 641 are placed in the guiding groove 416 at 41 top of mast, realize the guiding and positioning when relative movement, The end of guiding groove 416 also has anti-drop block.In addition, as shown in figure 5, protective jacket component 6 can also be set in present embodiment It is equipped with the square box or flexible concertina set that telescopic 69(such as connects together), 69 one end of telescopic and 61 phase of side block blocks Even, other end side opening 413 is connected, and can stretch with the movement of side block blocks 61, protects the structures such as oscillator well.

In addition, in protective device, the moving assembly 5 includes jacking block 51 as shown in Fig. 7,9,10, it is equipped in the jacking block 51 The lateral push rod 52 that can be stretched out to two sides, the transverse direction push rod 52 are driven by hydraulic cylinder or cylinder；The lower end of the jacking block 51 is equipped with The connection component extending into cavity 411.The shifting of moving assembly 5 is realized after the flexible driving assembly and connection component phase separation It is dynamic.In embodiment in the utility model, the flexible driving assembly includes the first hydraulic stem 48, the second hydraulic stem 47, the Three hydraulic stems 46, their end are all fixed on end-cap assembly 45, and the first hydraulic stem 46, the second hydraulic stem 47, third liquid Electromagnet 49 is equipped on the telescopic shaft of compression bar 48；Meanwhile moving assembly 5 includes top plate 51, the two sides of top plate 51 are equipped with laterally Push rod 52, the lower end of top plate 51 are once equipped with the first link block 511, the second link block 53, third link block 54, and the first connection Block 511, the second link block 53, between third link block 54 by buckling separable connection, and the first link block 511, second Link block 53, third link block 54 are placed in cavity 411, respectively with the first hydraulic stem 48, the second hydraulic stem 47, third hydraulic stem 46 position is corresponding, and the first link block 511, the second link block 53, third link block 54 can be sucked by electromagnet.The structure In, the first hydraulic stem 48, the second hydraulic stem 47, third hydraulic stem 46 length be incremented by respectively, pass through the setting of multistage hydraulic bar Increase the shift motion of moving assembly 5.

If the connection relationship in the utility model between some elements without specified otherwise, be all conventional key connection, Threaded connection, screw connection, welding etc., and conventional antenna electronics module is additionally provided on antenna, including signal receiver, amplification Device, converter etc., each power structure in the utility model, such as motor, hydraulic part, cylinder are conventional mechanical device, It is all linked into power grid by electric wire and realizes work.And these with the control mode of electric device, connection type, on-off mode also all For conventional structure.In the utility model, the power units such as each motor, hydraulic part on antenna are by being placed on indoor controller It is controlled, operation and control mode are conventional automatically controlled mode.

Specifically, exterior aerial in the application is placed on roof or other spacious places when work, after being powered on, 31 rotation driven gear 32 of motor rotation in lifting device, drives lifting circle 3 to move up and down along rack gear 25, and then realize day The position of line main body 4 adjusts, and facilitates installation and maintenance.

When normal work, protective device is in rounding state, as shown in Figure 1, outside director 42, oscillator 43, reflector 44 Dew is for receiving signal.When encountering bad weather and needing to start safeguard function, controller can be passed through and control protective device work Make, it is specific as follows.

Original state, the first hydraulic stem 48, the second hydraulic stem 47, third hydraulic stem 46 are respectively positioned on outer end extreme position, i.e., Moving assembly 5 is located at the outermost end of antenna body 4, and lateral push rod 52 is located at 51 inside extreme position of top plate, protective jacket group at this time Part 6 is in contraction state, and the non-stress of spring 67, whereabouts block 66 is located at upper end extreme position in side block blocks 61 at this time, falls Block 66 director 42, oscillator 43, reflector 44 support under can not move down, the electromagnet 49 of hydraulic stem front end is in Obtain electricity condition.

When encountering bad weather, controller controls flexible driving assembly starting, and third hydraulic stem 46 is shunk, and drives third Link block 54 is mobile, and then drives top plate 51 mobile, interacts on the inclined-plane of 51 front end of top plate and the inclined-plane of 64 side of block Under, block 64 is pushed to outer end extreme position by top plate 51, when top plate 51 is moved to 64 medium position of block, third hydraulic stem 46 stop movement, and two lateral push rods 52 are stretched out to two sides, and upper stopper group 62,63,64 is driven to be expanded to lateral limit position, During this, telescopic 69 extends, and spring 67 extends stress, when upper stopper group is expanded to lateral limit position, protective jacket group The entire length of part 6 is greater than the length of 42/ oscillator of director, 43/ reflector 44, at this time side block blocks 61 and 42/ oscillator of director 43/ reflector 44 no longer contacts, and whereabouts block 66 is moved down by gravity, and then transverse direction push rod 52 resets, and protective jacket component 6 exists After a distance that bounces back under the action of spring 67, whereabouts block 66 is contacted with 42/ oscillator of director, 43/ reflector 44, so that under Falling block 66 can not move back, and during whereabouts block 66 is displaced outwardly, heap on 42/ oscillator of director, 43/ reflector 44 The dirts such as long-pending sundries are wiped by whereabouts block 66；Then third hydraulic stem 46 continues to drive moving assembly 5 mobile, when mobile group When part 5 is moved to the medium position of next protective jacket component 6, above-mentioned movement is repeated；When third hydraulic stem 46 is moved to inside When extreme position, the second link block 53 is contacted with the second hydraulic stem 47, and the electromagnet of 47 front end of the second hydraulic stem obtains electric, the second liquid Compression bar 47 starts and drives the second link block 53 mobile, and in the process, third link block 54 and the second link block 53 are detached from and connect It connects；When the second hydraulic stem 47 is moved to inside extreme position, the first link block 511 is contacted with the first hydraulic stem 48, the first liquid The electromagnet of 48 front end of compression bar obtains electric, and the first hydraulic stem 48, which starts, simultaneously drives the first link block 511 mobile, in the process, the Two link blocks 53 are disconnected with the first link block 511；When the first link block 511 is moved to antenna inner end extreme position, institute Some protective jacket components 6 have been moved into lateral limit position, i.e. director 42, oscillator 43, reflector 44 is in protection shape State, and in the state of protection, side block blocks 61 are not in outer end extreme position.

When bad weather past tense, antenna electrical 33 starts, and antenna body 4 rotates 180 degree, and lateral push rod 52 opens Dynamic, lateral push rod 52 pushes side block blocks 61 to be moved to outer end extreme position, at this time whereabouts block 66 and 42/ oscillator 43/ of director Reflector 44 disengages, and whereabouts block 66 is moved under gravity in 61 interior grooves of side block blocks, then laterally pushes away Bar 52 resets, and protective jacket component 6 is moved to inside extreme position under the action of spring 67, and spring 67 is still in tension at this time State, the starting of the first hydraulic stem 48, the first hydraulic stem 48 drive the first link block 511 mobile, protect as moving assembly 5 removes 6 position of component is covered, protective jacket component 6 resets under the action of spring 67, and spring 67 does not stress at this time；When the first hydraulic stem 48 drive moving assemblies 5 are moved to lateral limit position, and the first link block 511 and the second link block 53 are in the first hydraulic stem 48 It under effect, is connected by a snap, at this time the electromagnet power loss of 48 front end of the first hydraulic stem, the starting of the second hydraulic stem 47, the second liquid Compression bar 47 drives the first link block 511 and the second link block 53 to move, when the second hydraulic stem 47 is moved to lateral limit position, the Two link blocks 53 under the action of the second hydraulic stem 47, are connected by a snap, at this time the second hydraulic stem 47 with third link block 54 The electromagnet power loss of front end, third hydraulic stem 46 start, and third hydraulic stem 46 drives the first link block 511, the second link block 53 Mobile with third link block 54, when moving assembly 5 is moved to lateral limit position, all protective jacket components 6 have resetted, Subsequent antenna electrical 33 resets, and antenna is driven to turn round 180 degree.

In working condition, antenna body 4 can be driven to rotate by antenna electrical 33, so that antenna body 4 can receive The signal that different directions transmit.When antenna body 4 needs repairing, motor 31 starts so that antenna body 4 moves down, with side Just worker repairs.

The above, the utility model provide a kind of lift exterior aerial, and it is convenient that installation is placed, and antenna body can Automatically it is gone up and down, facilitates maintenance；It is equipped with protective device simultaneously, can be unfolded to protect on antenna body in bad weather conditions Structures, the service life such as oscillator it is long.

The protection scope of the utility model includes but is not limited to embodiment of above, and the protection scope of the utility model is to weigh Subject to sharp claim, replacement, deformation, the improvement that those skilled in the art that any pair of this technology is made is readily apparent that are each fallen within The protection scope of the utility model.

Claims (4)

1. a kind of protective device in exterior aerial, which is characterized in that the protective device include protective jacket component (6), Moving assembly (5) and flexible driving assembly, the protective jacket component (6) are set to the side of antenna body (4), and the protective jacket group Part (6) can flex outward, and play protective action to director (42) or oscillator (43) or reflector (44) after stretching, extension；The movement Pass through protective jacket component (6) when component (5) can be moved and be moved on antenna body (4), which is equipped with laterally Push rod (52), the transverse direction push rod (52) can push protective jacket component (6) to flex outward；The flexible driving assembly is moved for driving The movement of dynamic component (5), which is cylinder push-rod or hydraulic stem in antenna body (4).

2. a kind of protective device in exterior aerial according to claim 1, which is characterized in that the protective jacket group Part (6) includes side block blocks (61), and the upper stopper group (62,63,64) being mutually socketed, side block blocks are fixed in the side block blocks (61) (61) it is additionally provided with the spring (67) that one end is connected with the side wall of mast (41) on, is additionally provided with framework (65) in side block blocks (61), Director (42) or oscillator (43) or reflector (44) are through in the framework (65), and the side block blocks (61) are equipped with and can fall Whereabouts block (66).

3. a kind of protective device in exterior aerial according to claim 1, which is characterized in that the moving assembly (5) include jacking block (51), the lateral push rod (52) that can be stretched out to two sides is equipped in the jacking block (51), the transverse direction push rod (52) is by liquid Cylinder pressure or cylinder driving；The lower end of the jacking block (51) is equipped with the connection component extending into cavity (411).

4. a kind of protective device in exterior aerial according to claim 3, which is characterized in that the flexible driving The movement of moving assembly (5) is realized after component and connection component phase separation.