CN205248450U - Drive mechanism of antenna is transferred to electricity - Google Patents
Drive mechanism of antenna is transferred to electricity Download PDFInfo
- Publication number
- CN205248450U CN205248450U CN201520740113.5U CN201520740113U CN205248450U CN 205248450 U CN205248450 U CN 205248450U CN 201520740113 U CN201520740113 U CN 201520740113U CN 205248450 U CN205248450 U CN 205248450U
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- Prior art keywords
- transmission shaft
- scale
- power transmission
- sleeve
- drive block
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 230000005611 electricity Effects 0.000 title abstract 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 58
- 238000009434 installation Methods 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to a drive mechanism of antenna is transferred to electricity, its innovation point lies in: include that a transmission connects, a transmission shaft bearing plate, its center has a transmission shaft installation cover, and the transmission shaft installation is overlapped one side and is equipped with the scale uide bushing, one transfers the transmission shaft of antenna major axis direction setting along the electricity, and this transmission shaft is the screw rod structure, the first pass motion block, its have one with transmission shaft threaded connection's internal thread structure, install on the scale mounting groove of transmission piece one with transmission shaft parallel arrangement's scale, inner and the scale uide bushing sliding fit of scale, the end plate sliding fit of antenna is transferred to the outer end and the electricity of scale. The utility model has the advantages of: the transmission shaft drives the transmission piece and transfers the major axis direction of antenna to remove along the electricity, and simultaneously, the scale plays the effect of a direction for adjusted and show by stable pulling, the accurate of angle of guaranteeing to have a down dip with the pull rod that transmission piece pull rod mount pad is connected.
Description
Technical field
The utility model relates to a kind of electrical tilt antenna, particularly a kind of transmission mechanism of electrical tilt antenna.
Background technology
Electrical tilt antenna refers to use electronics to adjust the portable antenna of tilt angled down, at present, as shown in Figure 1, drive block 1 is connected by screw respectively with scale, pull bar 3 transmission mechanism of traditional electrical tilt antenna, one end of pull bar 3 is connected with governor motion, and guiding is supported by pull bar supporting 5 in the middle part of pull bar 3. When needing to regulate, rotary drive screw rod 2, and then drive block 1 front and back movement back and forth under the drive of drive screw 2, and pull pull bar 3 to move the adjusting that realizes tilt angled down.
In the time that the one end of the limited block 4 on pull bar 3 and pull bar supporting 5 are collided, drive block stops mobile. There are some problems in such kind of drive: 1, because drive block and scale move around, traditional structure cannot add effective impetus, under the effect of screw rod and drive block frictional force, scale can have along with the rotation of screw rod the swing of certain amplitude, and this not only makes tilt angled down accurately show but also also has a certain impact for the stable of structure. 2,, in common transmission mechanism, the fixed form between part and part is substantially all that screw is fixed, inconvenience when this not only installs, and the trouble that the processing of part also can be relative. 3, conventional scale is not generally symmetrical structure, need to make in addition the scale of a set of symmetry in the antenna that is applied to four ports time, not only trouble, and install and also easily make mistakes, there is situation anti-loaded or reversed left to right. 4, after one end of limited block contacts with pull bar supporting, produce deformation and can also continue to the segment distance that moves ahead, so just make position-limiting action greatly reduce; When after limited block pushes up pull bar supporting, continuation is firmly rotated drive screw simultaneously, will there is buckling deformation in plastics drive screw, thereby the elasticity of plastics back-up ring on screw rod is jumped out, thereby drive screw is oppositely exited, and cannot carry out normal transmission.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of transmission mechanism of simple in structure, reliable and stable electrical tilt antenna.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of transmission mechanism of electrical tilt antenna, its innovative point is: comprise a drive joint, this drive joint comprises motor adapter sleeve, motor adapter sleeve nut and reducing sleeve, described motor adapter sleeve is fixed on the end plates of electrical tilt antenna by the motor adapter sleeve nut check being threaded with its inner, described reducing sleeve is built in motor adapter sleeve center, the inner of reducing sleeve is set with axial limiting circlip, the outer end of reducing sleeve and motor adapter sleeve carry out axial limiting by annular table terrace, one cardan-shaft suspension plate, this cardan-shaft suspension plate is arranged on reflecting plate by screw, and its center has a power transmission shaft installation sleeve, and power transmission shaft installation sleeve one side is provided with scale fairlead, one power transmission shaft arranging along electrical tilt antenna long axis direction, this power transmission shaft is screw-rod structure, and its inner embedding in power transmission shaft installation sleeve also can freely be rotated in power transmission shaft installation sleeve, and outer end is connected with the inner key of reducing sleeve, one drive block, this drive block has a female thread structure being threaded with power transmission shaft, the top of drive block is provided with a pull bar mount pad, the sidepiece of drive block is provided with a scale mounting groove, one scale be arrangeding in parallel with power transmission shaft is installed on scale mounting groove, the inner of scale and scale fairlead are slidably matched, and the outer end of scale and the end plates of electrical tilt antenna are slidably matched.
Preferably, the inner of described power transmission shaft is provided with an elastic cylinder pin, and described drive block is provided with a limited step near one end of elastic cylinder pin.
Preferably, the pull bar mount pad of described drive block is the claw of a C shape opening, and the outer end of pull bar has an annular spacing groove near end, and the pull bar section at described annular spacing groove place just can embed in the C shape opening of pull bar mount pad.
The utility model has the advantage of: in the utility model, drive power transmission shaft to rotate by motor, power transmission shaft drives drive block to move along the long axis direction of electrical tilt antenna, simultaneously, scale plays the effect of a guiding, make the pull bar being connected with drive block pull bar mount pad by stable dragging, guarantee accurate adjusting and the demonstration of tilt angled down; In the utility model, the form that the installation of drive joint, drive link, pull bar adopts buckle or nut to connect, easy to connect reliable. Elastic cylinder pin is set on power transmission shaft and drive block is carried out spacing, can not cause damage to miscellaneous part, spacing reliable.
In accurately controlling electric melody aerial lower inclination angle degree, make the Stability Analysis of Structures installation process of antenna more convenient.
Brief description of the drawings
Fig. 1 is the transmission mechanism structural representation of traditional electrical tilt antenna.
Fig. 2 is the transmission mechanism structural representation of electrical tilt antenna in the utility model.
Fig. 3 is drive joint structural representation in the utility model.
Detailed description of the invention
As shown in Figure 2,3, comprise drive joint, cardan-shaft suspension plate 8, drive block 11, power transmission shaft 12.
Drive joint, as shown in Figure 3, this drive joint comprises motor adapter sleeve 14, motor adapter sleeve nut 16 and reducing sleeve 15, motor adapter sleeve 14 is locked on the end plates 13 of electrical tilt antenna by the motor adapter sleeve nut 16 being threaded with its inner, reducing sleeve 15 is built in motor adapter sleeve 14 centers, the inner of reducing sleeve 15 is set with circlip 17 for axial limiting, and the outer end of reducing sleeve 15 and motor adapter sleeve 14 carry out axial limiting by annular table terrace.
Cardan-shaft suspension plate 8 is arranged on reflecting plate 6 by screw, and its center has a power transmission shaft installation sleeve 81, and power transmission shaft installation sleeve 81 1 sides are provided with scale fairlead 82;
Power transmission shaft 12 arranges along electrical tilt antenna long axis direction, and this power transmission shaft 12 be screw-rod structure, and it is inner embeds in power transmission shaft installation sleeve 81 also and can freely rotate power transmission shaft installation sleeve 81 is interior, and outer end is connected with the inner key of reducing sleeve 15.
Drive block 11 has a female thread structure being threaded with power transmission shaft 12, the top of drive block 11 is provided with a pull bar mount pad 111, the sidepiece of drive block 11 is provided with a scale mounting groove 112, one scale be arrangeding in parallel with power transmission shaft is installed on scale mounting groove 112, the inner of scale 7 and scale fairlead 82 are slidably matched, and the outer end of scale 7 and the end plates of electrical tilt antenna 13 are slidably matched.
As the utility model embodiment more specifically: the pull bar mount pad 111 of drive block 11 is the claw of a C shape opening, the outer end of pull bar 9 has an annular spacing groove near end, and the pull bar section at annular spacing groove place just can embed in the C shape opening of pull bar mount pad 111.
In the present embodiment, the position limiting structure of drive block is: the inner of power transmission shaft 12 is provided with an elastic cylinder pin 10, and drive block 11 is provided with a limited step near one end of elastic cylinder pin 10.
Operation principle:
Need to carry out electric timing, motor drives power transmission shaft to rotate by reducing sleeve, and the drive block being threaded with power transmission shaft moves axially along power transmission shaft, and then pulls the pull bar on drive block draw-bar seat to move, and realizes the adjusting of Downtilt; In the time regulating, carry out the tilt angled down of vision-control according to the distance of scale external part panel.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model. The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model. The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. a transmission mechanism for electrical tilt antenna, is characterized in that: comprise
One drive joint, this drive joint comprises motor adapter sleeve, motor adapter sleeve nut and reducing sleeve, described motor adapter sleeve is fixed on the end plates of electrical tilt antenna by the motor adapter sleeve nut check being threaded with its inner, described reducing sleeve is built in motor adapter sleeve center, the inner of reducing sleeve is set with axial limiting circlip, and the outer end of reducing sleeve and motor adapter sleeve carry out axial limiting by annular table terrace;
One cardan-shaft suspension plate, this cardan-shaft suspension plate is arranged on reflecting plate by screw, and its center has a power transmission shaft installation sleeve, and power transmission shaft installation sleeve one side is provided with scale fairlead;
One power transmission shaft arranging along electrical tilt antenna long axis direction, this power transmission shaft is screw-rod structure, and its inner embedding in power transmission shaft installation sleeve also can freely be rotated in power transmission shaft installation sleeve, and outer end is connected with the inner key of reducing sleeve;
One drive block, this drive block has a female thread structure being threaded with power transmission shaft, the top of drive block is provided with a pull bar mount pad, the sidepiece of drive block is provided with a scale mounting groove, one scale be arrangeding in parallel with power transmission shaft is installed on scale mounting groove, the inner of scale and scale fairlead are slidably matched, and the outer end of scale and the end plates of electrical tilt antenna are slidably matched.
2. the transmission mechanism of electrical tilt antenna according to claim 1, is characterized in that: the inner of described power transmission shaft is provided with an elastic cylinder pin, and described drive block is provided with a limited step near one end of elastic cylinder pin.
3. the transmission mechanism of electrical tilt antenna according to claim 1, it is characterized in that: the pull bar mount pad of described drive block is the claw of a C shape opening, the outer end of pull bar has an annular spacing groove near end, and the pull bar section at described annular spacing groove place just can embed in the C shape opening of pull bar mount pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740113.5U CN205248450U (en) | 2015-09-23 | 2015-09-23 | Drive mechanism of antenna is transferred to electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520740113.5U CN205248450U (en) | 2015-09-23 | 2015-09-23 | Drive mechanism of antenna is transferred to electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248450U true CN205248450U (en) | 2016-05-18 |
Family
ID=55947525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520740113.5U Expired - Fee Related CN205248450U (en) | 2015-09-23 | 2015-09-23 | Drive mechanism of antenna is transferred to electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248450U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305085A (en) * | 2015-09-23 | 2016-02-03 | 江苏亚信电子科技有限公司 | Transmission mechanism of electrically adjustable antenna |
| CN108511911A (en) * | 2018-02-06 | 2018-09-07 | 中天宽带技术有限公司 | A kind of equivalent strip line phase shifter of multi-port modular and its transmission system |
| CN110649362A (en) * | 2019-09-30 | 2020-01-03 | 武汉虹信通信技术有限责任公司 | Electrically tunable antenna transmission system |
-
2015
- 2015-09-23 CN CN201520740113.5U patent/CN205248450U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305085A (en) * | 2015-09-23 | 2016-02-03 | 江苏亚信电子科技有限公司 | Transmission mechanism of electrically adjustable antenna |
| CN108511911A (en) * | 2018-02-06 | 2018-09-07 | 中天宽带技术有限公司 | A kind of equivalent strip line phase shifter of multi-port modular and its transmission system |
| CN110649362A (en) * | 2019-09-30 | 2020-01-03 | 武汉虹信通信技术有限责任公司 | Electrically tunable antenna transmission system |
| CN110649362B (en) * | 2019-09-30 | 2021-04-16 | 武汉虹信科技发展有限责任公司 | Electrically tunable antenna transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |