CN106207464B - A kind of modularization antenna phase displacement-type regulating device - Google Patents
A kind of modularization antenna phase displacement-type regulating device Download PDFInfo
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- CN106207464B CN106207464B CN201610485360.4A CN201610485360A CN106207464B CN 106207464 B CN106207464 B CN 106207464B CN 201610485360 A CN201610485360 A CN 201610485360A CN 106207464 B CN106207464 B CN 106207464B
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- sliding block
- graduated scale
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/32—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by mechanical means
Abstract
The invention discloses a kind of modularization antenna phase displacement-type regulating devices, including sliding block, clip, graduated scale fixing seat, motor fixing base, graduated scale, drive rod, screw rod, drive motor, control circuit and fastening screw；The sliding block, in up-down structure, by lower part, round, top rectangle is formed, there is clip described in a slotted engagement between the upper and lower, tapped through hole is provided in circular configuration position coaxial and the screw rod cooperates, be respectively provided with a circular locating openings in outer surface middle side and lower surface, to hooking engagement with the installation requirements of the multiple positions of suitable solution circuit；It is equipped with mounting structure in top rectangle side, is coupled with graduated scale fixing seat；On top, rectangular internal is equipped with the axis through-hole parallel with lower part circular configuration axis, for installing with drive rod；Graduated scale can be achieved in the present invention and multiple positions of drive rod use, and realizes integral module, can effectively reduce area occupied, meet multifrequency antenna installation requirements.
Description
Technical field
The present invention relates to the communications fields, and more specifically, it relates to a kind of modularization antenna phase displacement-type regulating devices.
Background technique
Antenna phase displacement-type regulating device, it is main to drive the displacement in control circuit to adjust resistance by drive motor,
Reach the function of adjusting antenna phase, and is realized by the graduated scale being mounted in regulating device adjust the real-time aobvious of angle in turn
Show.This kind of device can accurately realize the adjusting of antenna phase by the variation of displacement adjusting resistance values, in adjustment process
Without any additional compensation, control mode is simple, effective.
In existing technology, antenna phase displacement-type regulating device generally comprises drive screw, sliding block, graduated scale, biography
Lever, drive motor and control circuit and other related auxiliary components.As shown in Fig. 1 to 2, this kind of kind of drive is used
Drive motor 101 drives screw rod 102, and then with movable slider 103, to drive drive rod 104, then drives in control circuit
Displacement adjusts resistance 105, reaches and adjusts the function that antenna phase is adjusted.
On the one hand, above-mentioned antenna phase displacement-type regulating device drives the displacement of control circuit to adjust using drive rod 104
Resistance 105, since drive rod 104 is flat structure, design limitation, control circuit can only be placed in drive mechanism side,
It is just able to achieve control, determinants space of planes is big；Graduated scale 106 is mounted on sliding block 103, since the structure of sliding block designs limit
System, graduated scale installation site are confined to two positions of horizontal plane or so.On the other hand, drive rod 104 and sliding block 103 cooperate, because
Slide block structure limitation, drive rod only have fixed single direction；Above-mentioned antenna phase displacement-type regulating device, due to each zero
Part is relatively independent, and overall structure is loose, is connected using more screw, cannot achieve modular assembly.In the competing of increasingly fierceness
In striving, the size of antenna becomes small, inner antenna space be also it is smaller and smaller, for the antenna of multiple frequency ranges, need sufficiently
Using space, meets the transmission control in multiple orientation, be able to achieve modular assembly.And existing antenna phase displacement-type adjusts dress
Setting can not be realized in a manner of low cost and met the demand.
Summary of the invention
In view of this, it is necessary in view of the above-mentioned problems, providing a kind of modularization antenna phase displacement-type regulating device, structure
Simply, low in cost, it is both able to satisfy and occupies little space, graduated scale multidigit placement location, and it is able to satisfy the multi-faceted transmission of drive rod, it is real
Existing modular demand.
The present invention is solved the above problems by following technological means:
A kind of modularization antenna phase displacement-type regulating device, including sliding block, clip, graduated scale fixing seat, motor are fixed
Seat, graduated scale, drive rod, screw rod, drive motor, control circuit and fastening screw；
The sliding block, is in up-down structure, and by lower part, round, top rectangle is formed, and is had described in a slotted engagement between the upper and lower
Clip is provided with tapped through hole in circular configuration position coaxial and the screw rod cooperates, in outer surface middle side and lower surface
Be respectively provided with a circular locating openings, to hooking engagement with the installation requirements of the multiple positions of suitable solution circuit；In upper minister
Rectangular side is equipped with mounting structure, is coupled with providing with graduated scale fixing seat；Meanwhile it being equipped in top rectangular internal
One axis through-hole parallel with lower part circular configuration axis, for being installed with drive rod；
The clip is in y-type structure, and top is arc-shaped click on fashion, has one in circular arc buckle inside bottom center
A circular boss is directed toward the center of circle, cooperates the circular locating openings on the sliding block, there is the pin-shaped boss an of oblong in outside, matches
The displacement closed in control circuit adjusts resistance；
The graduated scale fixing seat, it is L-shaped, on two faces of L-type, it is provided with circular through hole, cooperates graduated scale and sliding block；
The motor fixing base, U-shaped structure, U-shaped left vertical plane open screw rod fixation hole, and it is solid that U-shaped right vertical plane opens motor
Determine hole and drive rod pilot hole, U-shaped horizontal plane protrudes 2 boss faces near 2 vertical planes, for cooperating fixed entire dress
It sets, horizontal plane is non-convex to appear for fixing control circuit；
The drive rod, rounded structure are provided with annular groove in round bar one end, for cooperating sliding block to fix.
It further, is two circular hole boss in the mounting structure that top rectangle side is equipped with, to mention in the sliding block
Installation is fastened for the screw of graduated scale fixing seat.
It further, is buckle structure in the mounting structure that top rectangle side is equipped with, with graduated scale in the sliding block
Fixing seat realizes easy spiral-lock.
Preferably, the circular through hole, annular groove are 2.
Preferably, sliding block motion thread section is common triangle or trapezoidal.
Preferably, the arc-shaped buckle of the clip buckles into installation with sliding block lower part circle, and circular section is cross-section square
Shape, variable cross-section rectangle or rectangle and arc-shaped/trapezoidal combined shaped.
Preferably, elongated slot is arranged in the graduated scale installation end, convenient to be fixedly mounted with by adapter and sliding block, or directly with cunning
Boss screw installation in block side passes through plastic buckle spiral-lock.
Preferably, the clip, sliding block, graduated scale fixing seat use injection molding.
Preferably, the motor fixing base uses metal plate bending and molding or injection molding.
A kind of modularization antenna phase displacement-type regulating device, including sliding block, clip, motor fixing base, graduated scale, transmission
Bar, screw rod, drive motor, control circuit and fastening screw；
The sliding block, is in up-down structure, and by lower part, round, top rectangle is formed, and is had described in a slotted engagement between the upper and lower
Clip is provided with tapped through hole in circular configuration position coaxial and the screw rod cooperates, in outer surface middle side and lower surface
Be respectively provided with a circular locating openings, to hooking engagement with the installation requirements of the multiple positions of suitable solution circuit；In upper minister
Rectangular side is equipped with mounting structure, is coupled with providing with graduated scale；Meanwhile an axis is equipped in top rectangular internal
The line through-hole parallel with lower part circular configuration axis, for being installed with drive rod；
The clip is in y-type structure, and top is arc-shaped click on fashion, has one in circular arc buckle inside bottom center
A circular boss is directed toward the center of circle, cooperates the circular locating openings on the sliding block, there is the pin-shaped boss an of oblong in outside, matches
The displacement closed in control circuit adjusts resistance；
The motor fixing base, U-shaped structure, U-shaped left vertical plane open screw rod fixation hole, and it is solid that U-shaped right vertical plane opens motor
Determine hole and drive rod pilot hole, U-shaped horizontal plane protrudes 2 boss faces near 2 vertical planes, for cooperating fixed entire dress
It sets, horizontal plane is non-convex to appear for fixing control circuit；
The drive rod, rounded structure are provided with annular groove in round bar one end, for cooperating sliding block to fix.
Compared with existing structure, the beneficial effects of the present invention are:
Multiple positions that graduated scale and drive rod can be achieved use, and realize integral module, can effectively reduce occupancy face
Product, reasonable utilization space meet multifrequency antenna installation requirements, and install simple, at low cost.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is 1 schematic diagram of antenna phase displacement-type regulating device mounting means in the prior art；
Fig. 2 is 2 schematic diagram of antenna phase displacement-type regulating device mounting means in the prior art；
Fig. 3 is one general illustration of modularization antenna phase displacement-type regulating device embodiment in the present invention；
Fig. 4 is two general illustration of modularization antenna phase displacement-type regulating device embodiment in the present invention；
Fig. 5 is modularization antenna phase displacement-type regulating device graduated scale different installation solid signal in the present invention
Figure；
Fig. 6 is modularization antenna phase displacement-type regulating device drive rod difference installation position solid signal in the present invention
Figure；
Fig. 7 is two kinds of structural upright schematic diagrames of sliding block in the present invention；
Fig. 8 is clip structural upright schematic diagram in the present invention；
Fig. 9 is graduated scale fixing seat stereoscopic schematic diagram of the present invention；
Figure 10 is motor fixing base stereoscopic schematic diagram of the present invention；
Figure 11 is drive rod stereoscopic schematic diagram of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with attached drawing and specifically
Most preferred embodiment technical solution of the present invention is described in detail.It should be pointed out that described embodiment is only
A part of the embodiment of the present invention, instead of all the embodiments, based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Embodiment 1
Fig. 3 shows one general illustration of modularization antenna phase displacement-type regulating device embodiment of the invention, including
Sliding block 1, clip 2, graduated scale fixing seat 3, motor fixing base 4, graduated scale 5, drive rod 6, screw rod 7, drive motor 8, control electricity
Road 9 and fastening screw.
The sliding block 1 is in up-down structure, and lower part is circle 11, and side 13 is provided with tapped through hole 133, cooperates the screw rod
7, in outer surface middle 15, respectively there are a circular locating openings in left side 151 and lower surface 152, and centre is slotted described in 17 cooperations
Clip 2, top are rectangle 12, and side 13 is provided with circular through hole 131, cooperates the drive rod 6, and in right side 14, there are two bands
161 boss 141 of circular hole, cooperates the graduated scale mounting base 3；
The clip 2 is in circular arc type Y structure, has a circular boss 211 to be directed toward the center of circle in 21 bottom of circular arc center,
Cooperate the circular locating openings (151/152) on the sliding block 1, curved bottom central outer surface 23 has the pin-shaped convex of an oblong
Platform 232 cooperates the displacement in the control circuit 9 to adjust resistance；
The graduated scale mounting base 3, it is L-shaped, it on two faces of L-type, opens there are two circular through hole, opens circular hole on face 31
311 cooperate the graduated scales 5, and aperture 321 cooperates the sliding block 1 on face 32；
The motor fixing base 4, U-shaped structure, U-shaped left vertical plane 45 open screw rod fixation hole 451, U-shaped right vertical plane 41
Motor fixation hole 411,412 and drive rod pilot hole 413 are opened, U-shaped horizontal plane 44 protrudes 2 boss faces near 2 vertical planes
42,43, for cooperating fixed whole device, horizontal plane is non-convex to appear 44 for fixing control circuit；
The drive rod 6, rounded structure opens 2 annular grooves 62,62 in round bar one end, for cooperating the sliding block 1
On round hole 131 fixed by standard retaining ring.
Embodiment 2
Fig. 4 shows two general illustration of modularization antenna phase displacement-type regulating device embodiment of the invention, including
Sliding block 1, clip 2, motor fixing base 4, graduated scale 5, drive rod 6, screw rod 7, drive motor 8, control circuit 9 and fastening spiral shell
Nail.
The sliding block 1 is in up-down structure, and lower part is circle 11, and side 13 is provided with tapped through hole 133, cooperates the screw rod
7, in outer surface middle 15, respectively there are a circular locating openings in left side 151 and lower surface 152, and centre is slotted described in 17 cooperations
Clip 2, top are rectangle 12, and side 13 is provided with circular through hole 131, cooperates the drive rod 6, and in right side 14, there are two convex
Platform 141 has buckle 161 in boss face 16, cooperates the graduated scale 5；
The clip 2 is in circular arc type Y structure, has a circular boss 211 to be directed toward the center of circle in 21 bottom of circular arc center,
Cooperate the circular locating openings (151/152) on the sliding block 1, curved bottom central outer surface 23 has the pin-shaped convex of an oblong
Platform 232 cooperates the displacement in the control circuit 9 to adjust resistance；
The motor fixing base 4, U-shaped structure, U-shaped left vertical plane 45 open screw rod fixation hole 451, U-shaped right vertical plane 41
Motor fixation hole 411,412 and drive rod pilot hole 413 are opened, U-shaped horizontal plane 44 protrudes 2 boss faces near 2 vertical planes
42,43, for cooperating fixed whole device, horizontal plane is non-convex to appear 44 for fixing control circuit；
The drive rod 6, rounded structure opens 2 annular grooves 62,62 in round bar one end, for cooperating the sliding block 1
On round hole 131 fixed by standard retaining ring.
Fig. 5 and Fig. 6 shows modularization antenna phase displacement-type regulating device of the present invention and passes through different combination and difference
Mounting means, realize the graduated scale difference rigging position and the drive rod different location installation.
As shown in fig. 7, frame mode one, 2 cooperation position 15 of the sliding block 1 and the clip is led to using multi-diameter shaft mode
The mating surface 21,22 crossed on clip 2 forms cooperation, it is ensured that the clip 2 can not be moved forward and backward after fastening；The sliding block 1 is being matched
152 center position of bottom 151 and side that coincidence is set, has opened 2 circular holes, for cooperating 2 internal boss 211 of clip, leads to
It crosses and selects different hole locations (151/152), realize putting for 1 different location of sliding block, meanwhile, it ensure that 2 nothing of clip
Method is rotated around 1 fitted shaft 15 of sliding block；Cooperated by itself of the sliding block 1 and clip 2, realizes fastening, reach installation side
Just quick, without assisting mounting means；The top 12 of the sliding block 1, circular hole 131 and the drive rod 6 are assembled, and card is passed through
Ring is fixed；The round boss 141 of 1 side 14 of sliding block, opens the circular hole on circular hole 161 and the graduated scale fixing seat 3
311 are cooperated, and are fixed by tapping screw；The sliding block 1 is different from 2 cooperation position of clip, and the graduated scale is fixed
3 placement positions of seat are also different, realize the multiposition fixed form (as shown in Figure 5) of the graduated scale 5；When not using the scale
When ruler fixing seat 3, the graduated scale 5 and the sliding block 1 are directly used cooperatively, different position fixation sides similarly may be implemented
Formula (as shown in Figure 5).
As shown in fig. 7, frame mode two, 2 cooperation position 15 of the sliding block 1 and the clip is led to using multi-diameter shaft mode
The mating surface 21,22 crossed on clip 2 forms cooperation, it is ensured that the clip 2 can not be moved forward and backward after fastening；The sliding block 1 is being matched
152 center position of bottom 151 and side that coincidence is set, has opened 2 circular holes, for cooperating 2 internal boss 211 of clip, leads to
It crosses and selects different hole locations (151/152), realize putting for 1 different location of sliding block, meanwhile, it ensure that 2 nothing of clip
Method is rotated around 1 fitted shaft 15 of sliding block；Cooperated by itself of the sliding block 1 and clip 2, realizes fastening, reach installation side
Just quick, without assisting mounting means；The top 12 of the sliding block 1, circular hole 131 and the drive rod 6 are assembled, and card is passed through
Ring is fixed；The round boss 141 of 1 side 14 of sliding block has buckle 161 and the graduated scale to fix in boss face 16
Circular hole 311 on seat 3 is cooperated, and by spiral-lock from fixation is cooperated, reaches quick and easy for installation, without assisting mounting means；
The sliding block 1 is different from 2 cooperation position of clip, and 3 placement position of graduated scale fixing seat is also different, realizes the scale
The multiposition fixed form (as shown in Figure 5) of ruler 5；When not using the graduated scale fixing seat 3, by the graduated scale 5 and institute
It states sliding block 1 to be directly used cooperatively, different position fixed forms (as shown in Figure 5) similarly may be implemented.
As shown in figure 8, the clip 2 is round Y structure, circular top 22 is open into 1 axis of clip form and the sliding block
Position 15 cooperates；The 2 inside center protrusion round boss 211 of clip and 1 circular hole of the sliding block (151/152) cooperation, form
Self-fastening mode；The raised barrel band 232 of 2 lower outer surface of clip 23, and form reinforcing rib 231 and control electricity
The displacement on road 9 adjusts resistance cooperation, drives displacement to adjust resistance and slides；Clip 2 is by way of barrel band 232, installation side
Just quick, it realizes and is fastened without auxiliary.
As shown in figure 9, the graduated scale fixing seat is L-shaped structure, in two orthogonal planes of " L " structure
(31/32), distribution is provided with 4 circular holes；2 circular holes 311 opened on first face 31 be used for and 1 frame mode one of sliding block on
Hole 161 cooperates, and is fastened by tapping screw；2 circular holes 321 opened on second face 32 are used to match with the hole on the graduated scale 5
It closes, is fastened by tapping screw.
As shown in figure 9, the graduated scale fixing seat is L-shaped structure, in two orthogonal planes of " L " structure
(31/32), distribution is provided with 4 circular holes；2 circular holes 311 opened on first face 31 be used for and 1 frame mode two of sliding block on
161 cooperation of buckle, cooperates fastening by spiral-lock certainly；2 circular holes 321 opened on second face 32 be used for and the graduated scale 5 on
Hole cooperation, is fastened by tapping screw.
As shown in Figure 10, the motor fixing base 4, U-shaped structure, U-shaped left vertical plane 45 open screw rod fixation hole 451；It is U-shaped
Right vertical plane 41 is provided with the drive rod pilot hole 413 of drive motor fixation hole 411,412 and different direction；U-shaped horizontal plane 44 is 2
A vertical plane nearby protrudes 2 boss faces 42,43, and area is small, advantageously reduces contact area, reduces to antenna third order intermodulation
It influences, for cooperating fixed whole device；Horizontal plane is non-convex to appear 44, and Self-Clinching Standoffs 441 (also can be used self-clinching stud, insert
Pin etc.) for fixing control circuit.
As shown in figure 11, the drive rod 6 is round structure, opens annular groove 61,62, the spacing between two slots at one end
For the length of the sliding block 1, drive rod is passed through into the through-hole 131 on the sliding block 1 and sticks into the drive rod 6 using snap ring
In annular groove, achieve the purpose that be fixed on drive rod on the sliding block 1.
All parts by using motor fixing base as modular substrate, using screw rod and drive rod as modular power carrier, make
Standalone module can be pre-assembled to before, arrangement uses on demand.
By using the sliding block, clip, graduated scale mounting base, graduated scale, motor fixing base, drive rod, difference is used
Mating mounting means, realize graduated scale and drive rod multiposition installation, polydirectional transmission, rationally utilize space, reduce occupy
Area realizes modular purpose.
After the assembly is completed, compact overall structure can become an independent module to each components, easy for installation.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of modularization antenna phase displacement-type regulating device, which is characterized in that including sliding block, clip, graduated scale fixing seat,
Motor fixing base, graduated scale, drive rod, screw rod, drive motor, control circuit and fastening screw；
The sliding block, is in up-down structure, and by lower part, round, top rectangle is formed, and has clip described in a slotted engagement between the upper and lower,
Tapped through hole is provided in circular configuration position coaxial and the screw rod cooperates, and is respectively provided in outer surface middle side and lower surface
One circular locating openings, to hooking engagement with the installation requirements of the multiple positions of suitable solution circuit；The rectangle one on top
Side is equipped with mounting structure, is coupled with providing with graduated scale fixing seat；Meanwhile an axis is equipped in top rectangular internal
The line through-hole parallel with lower part circular configuration axis, for being installed with drive rod；
The clip is in y-type structure, and top is arc-shaped click on fashion, has a circle in circular arc buckle inside bottom center
The boss of shape is directed toward the center of circle, cooperates the circular locating openings on the sliding block, and there are the pin-shaped boss an of oblong, cooperation control in outside
Displacement in circuit processed adjusts resistance；
The graduated scale fixing seat, it is L-shaped, on two faces of L-type, it is provided with circular through hole, cooperates graduated scale and sliding block；
The motor fixing base, U-shaped structure, U-shaped left vertical plane open screw rod fixation hole, and U-shaped right vertical plane opens motor fixation hole
And drive rod pilot hole, U-shaped horizontal plane protrudes 2 boss faces near 2 vertical planes, for cooperating fixed whole device, water
Plane is non-convex to appear for fixing control circuit；
The drive rod, rounded structure are provided with annular groove in round bar one end, for cooperating sliding block to fix.
2. modularization antenna phase displacement-type regulating device according to claim 1, which is characterized in that in the sliding block,
It is two circular hole boss in the mounting structure that top rectangle side is equipped with, to provide the screw fastening peace of graduated scale fixing seat
Dress.
3. modularization antenna phase displacement-type regulating device according to claim 1, which is characterized in that in the sliding block,
It is buckle structure in the mounting structure that top rectangle side is equipped with, realizes easy spiral-lock with graduated scale fixing seat.
4. modularization antenna phase displacement-type regulating device according to claim 1, which is characterized in that described round logical
Hole, annular groove are 2.
5. modularization antenna phase displacement-type regulating device according to claim 1, which is characterized in that the clip circular arc
Shape buckle buckles into installation with sliding block lower part circle, and circular section is cross-section rectangle, variable cross-section rectangle or rectangle and circular arc
The combined shaped of shape/trapezoidal.
6. modularization antenna phase displacement-type regulating device according to claim 1, which is characterized in that the clip, cunning
Block, graduated scale fixing seat use injection molding.
7. modularization antenna phase displacement-type regulating device according to claim 1, which is characterized in that the motor is fixed
Seat uses metal plate bending and molding or injection molding.
8. a kind of modularization antenna phase displacement-type regulating device, which is characterized in that including sliding block, clip, motor fixing base, quarter
Spend ruler, drive rod, screw rod, drive motor, control circuit and fastening screw；
The sliding block, is in up-down structure, and by lower part, round, top rectangle is formed, and has clip described in a slotted engagement between the upper and lower,
Tapped through hole is provided in circular configuration position coaxial and the screw rod cooperates, and is respectively provided in outer surface middle side and lower surface
One circular locating openings, to hooking engagement with the installation requirements of the multiple positions of suitable solution circuit；The rectangle one on top
Side is equipped with mounting structure, is coupled with providing with graduated scale；Meanwhile an axis is equipped with under in top rectangular internal
The parallel through-hole of portion's circular configuration axis, for being installed with drive rod；
The clip is in y-type structure, and top is arc-shaped click on fashion, has a circle in circular arc buckle inside bottom center
The boss of shape is directed toward the center of circle, cooperates the circular locating openings on the sliding block, and there are the pin-shaped boss an of oblong, cooperation control in outside
Displacement in circuit processed adjusts resistance；
The motor fixing base, U-shaped structure, U-shaped left vertical plane open screw rod fixation hole, and U-shaped right vertical plane opens motor fixation hole
And drive rod pilot hole, U-shaped horizontal plane protrudes 2 boss faces near 2 vertical planes, for cooperating fixed whole device, water
Plane is non-convex to appear for fixing control circuit；
The drive rod, rounded structure are provided with annular groove in round bar one end, for cooperating sliding block to fix.
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| CN103545614A (en) * | 2013-11-12 | 2014-01-29 | 武汉虹信通信技术有限责任公司 | Antenna assembly coordinating manual power transferring and far-end power transferring |
| WO2015070380A1 (en) * | 2013-11-12 | 2015-05-21 | Alcatel-Lucent Shanghai Bell Co., Ltd. | Methods and devices for reducing passive intermodulation in rf antennas |
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| CN106207464A (en) | 2016-12-07 |
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