CN208433531U - The transmission device and antenna adjusted applied to lower decline angle - Google Patents
The transmission device and antenna adjusted applied to lower decline angle Download PDFInfo
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- CN208433531U CN208433531U CN201820967465.8U CN201820967465U CN208433531U CN 208433531 U CN208433531 U CN 208433531U CN 201820967465 U CN201820967465 U CN 201820967465U CN 208433531 U CN208433531 U CN 208433531U
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Abstract
The utility model discloses a kind of transmission devices and antenna adjusted applied to lower decline angle, the transmission device, including the first transmission component, first transmission component includes that rotatable first screw rod and the first driving member with the transmission cooperation of the first screw spiral, the first driving member are equipped with the first connecting portion being fixedly connected with the driving end of phase shifter；Second transmission component, the second transmission component include that rotatable second screw rod and the second driving member with the transmission cooperation of the second screw spiral, the second driving member are equipped with the second connecting portion being fixedly connected with scale；And Synchronous Transmission component, the first screw rod drive the rotation of the second screw rod by Synchronous Transmission component synchronization, keep the first driving member opposite with the direction of motion of the second driving member.The transmission device can save inner antenna space, be conducive to phase shifter miniaturization；The antenna uses above-mentioned transmission device, can make full use of inner space, is conducive to antenna miniaturization development.
Description
Technical field
The utility model relates to mobile communication technology fields, more particularly to a kind of transmission adjusted applied to lower decline angle
Device and antenna.
Background technique
In mobile communication field, antenna for base station usually requires to tilt down certain angle relative to horizontal line at work
Degree, as Downtilt or the angle of depression realize Optimal coverage effect under various circumstances by adjusting the angle of declination.
Mainly there are mechanical angle of declination and lower decline angle two ways to the adjusting of Downtilt at present, wherein lower decline angle
It can be controlled by remote electricity tune, at low cost, flexible operation has been more and more widely used.
As communication environment becomes increasingly complex, communicating requirement is higher and higher.In traditional technology, antenna lower decline angle adjusts dress
It sets when adjusting lower decline angle, the direction of motion of scale and the medium motion direction of phase shifter are consistent, such transmission
Mode makes phase shifter medium need to slide the needs that bigger distance is just able to satisfy electrical down-tilting, considerably increases because needed for transmission
The inner antenna space wanted, limits the miniaturization of phase shifter.
Summary of the invention
Based on this, it is necessary to a kind of transmission device and antenna adjusted applied to lower decline angle is provided, the transmission device
When output power, the direction of motion of scale and phase shifter is conducive to phase shifter miniaturization hair on the contrary, inner antenna space can be saved
Exhibition；The antenna uses above-mentioned transmission device, can make full use of inner space, is conducive to antenna miniaturization development.
Its technical solution is as follows:
On the one hand, the application provides a kind of transmission device adjusted applied to lower decline angle, comprising: the first transmission component,
First transmission component includes rotatable first screw rod and is driven the first driving member of cooperation with first screw spiral,
First driving member can be moved along the axis direction of first screw rod, and first driving member is equipped with and phase shifter
The first connecting portion that driving end is fixedly connected；Second transmission component, second transmission component include rotatable second screw rod
And the second driving member with second screw spiral transmission cooperation, second driving member can be along the axis of second screw rod
Line direction is mobile, and second driving member is equipped with the second connecting portion being fixedly connected with scale；And Synchronous Transmission component, it is described
First screw rod drives second screw rod to rotate by the Synchronous Transmission component synchronization, makes first driving member and described the
The direction of motion of two driving members is opposite.
Above-mentioned transmission device in use, the first driving member and the first screw spiral engaged transmission, by the rotation of the first screw rod
Transhipment turn becomes moving along a straight line, and the first driving member is connected by the driving end of first connecting portion and phase shifter, will be rotated
The motion transmission of handwheel or electrically driven (operated) rotary output is to phase shifter；Meanwhile first screw rod passes through the Synchronous Transmission
Component synchronization drives first screw rod rotation, make the direction of motion of first driving member and second driving member on the contrary,
And the second driving member is connected by second connecting portion with scale, so that the reverse drive of scale Yu phase shifter medium is realized,
When the first driving member is moved along the axis direction of the first screw rod, synchronizing moving and the angle of declination angle value for showing antenna.The transmission
When the output power of device, using moving synchronously for the first screw rod and the second screw rod, while making corresponding first driving member and
The direction of motion of two driving members has on the contrary, making the direction of motion of scale and phase shifter on the contrary, making full use of inner antenna space
Conducive to phase shifter miniaturization.
Technical solution is illustrated further below:
In one of the embodiments, the Synchronous Transmission component include the first driving gear and with first driving tooth
The first driven gear being meshed is taken turns, first driving gear is connect with one end fixed conveyor of first screw rod, described
First driven gear is connect with one end fixed conveyor of second screw rod, the rotation direction of first screw rod and second screw rod
Rotation direction it is identical.Easy to implement, gear ratio calculation is simple.
The Synchronous Transmission component includes the second driving gear, driving gear set and second in one of the embodiments,
Driven gear, second driving gear drive the second driven gear group to rotate synchronously by the driving gear set, institute
It states the second driving gear to connect with one end fixed conveyor of first screw rod, second driven gear and second screw rod
One end fixed conveyor connection；When second driving gear is opposite with the rotation direction of second driven gear, described
The rotation direction of one screw rod is identical as the rotation direction of second screw rod；Or turn of second driving gear and second driven gear
When dynamic direction is identical, the rotation direction of first screw rod is oppositely oriented with second screw rod.The setting of driving gear set, so that
Position between first screw rod and the second screw rod can utilize as far as possible inner antenna space, so that inner antenna with flexible choice
Structure is more compact.
The Synchronous Transmission component includes driving wheel, flexible drive parts and driven wheel in one of the embodiments, described
Driving wheel drives the driven wheel to rotate synchronously by the flexible drive parts, one end of the driving wheel and first screw rod
Fixed conveyor connection, the driven wheel connect with one end fixed conveyor of second screw rod, the rotation direction of first screw rod and
Second screw rod it is oppositely oriented；The flexible drive parts are belt or chain.Another embodiment is provided, it can be flexible
It arranges the first screw rod and the second screw rod, inner antenna space is rationally utilized, so that inner antenna structure is more compact.
In one of the embodiments, first driving member include connector, evacuation body and with the first screw rod spiral shell
One end of the nut seat of rotation transmission cooperation, the evacuation body is fixedly arranged on the lateral wall of the nut seat, described to avoid the another of body
It holds and is fixed with one end of the connector, so that the lateral wall interval of the connector and the nut seat is arranged and is formed and kept away
Allow space, the other end of the connector is equipped with the first connecting portion.So by setting evacuation body, so that the first driving member
Movement do not interfered.
First screw flight line at least more than second screw flight in one of the embodiments,
Screw thread；Or/and the transmission ratio of the Synchronous Transmission component is greater than 1.So set, scale is made only need to move lesser distance i.e.
The angle that phase shifter adjustment can be represented, can further shorten the length of scale, be conducive to phase shifter miniaturization.
The transmission device further includes mounting assembly in one of the embodiments, and the mounting assembly includes the first support
And with spaced second support of first support, one end and described second of first support and first screw rod
One end of screw rod is rotatablely connected, and the other end of the other end and second screw rod of second support and first screw rod turns
Dynamic connection, the Synchronous Transmission component are set on second support.Realize the independent peace of the first screw rod and the second screw rod
Dress, after debugging convenient for present apparatus modularization assembling, then is installed to inner antenna, is conducive to the packaging efficiency for improving antenna.
The mounting assembly further includes bottom plate and the end cap that is set on bottom plate in one of the embodiments, and described
One support and second support interval are fixedly arranged on the bottom plate, and the end cap is equipped with the through-hole passed through for the scale.
The both ends of first screw rod are equipped with the first stopper section, first driving member in one of the embodiments,
Both ends be equipped with first stopper section rotation stop cooperation the second stopper section；Or/and the both ends of second screw rod are all provided with
There is third stopper section, the both ends of second driving member are equipped with the 4th stopper section with the cooperation of third stopper section rotation stop.
It is corresponding, the moving distance of the first driving member or the second driving member can be controlled, effectively control transmission distance, avoid exceeding and leading
Cause phase shifter damage.
On the other hand, present invention also provides a kind of antenna, including above-mentioned transmission device, further include phase shifter, scale and
The driving end of driving device, the phase shifter is fixedly connected with the first connecting portion, one end of the scale and described second
Interconnecting piece is fixedly connected, and the driving device is for driving first screw rod to rotate.The antenna uses above-mentioned transmission device,
It can make full use of inner space, be conducive to antenna miniaturization development.
Detailed description of the invention
Fig. 1 is the partial structural diagram of the antenna in an embodiment；
Fig. 2 is the partial structurtes enlarged diagram of transmission device shown in FIG. 1；
Fig. 3 is the structural schematic diagram of another Synchronous Transmission component as described in the examples；
Fig. 4 is the structural schematic diagram of another Synchronous Transmission component as described in the examples.
Description of symbols:
10, transmission device, the 100, first transmission component, the 110, first screw rod, the 112, first stopper section, the 120, first transmission
Part, the 122, second stopper section, 124, connector, 126, evacuation body, 128, nut seat, the 200, second transmission component, 210, second
Screw rod, 212, third stopper section, the 220, second driving member, the 222, the 4th stopper section, 300, Synchronous Transmission component, 310, first is main
Moving gear, the 320, first driven gear, the 330, second driving gear, the 340, second driven gear, 350, driving gear set, 360,
Driving wheel, 370, driven wheel, 380, flexible drive parts, the 410, first support, the 420, second support, 430, bottom plate, 440, end cap,
442, through-hole, 20, phase shifter, 30, scale, 40, driving device.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that when element is referred to as " being fixed on ", " being set to ", " being fixedly arranged on " or " install in " another yuan
Part, it can directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection "
Another element, it can be directly to another element or may be simultaneously present centering elements.When element with it is another
The perfect condition that a element is mutually perpendicular to or near normal both refers to is vertical, but the influence because manufacturing and assembling, can be with
There are certain vertical errors.Term as used herein "vertical", "horizontal", "left" and "right" and similar statement
For illustrative purposes only, it is not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
" first ", " second " involved in the utility model do not represent specific quantity and sequence, are only used for title
Differentiation.
As shown in Figures 1 and 2, in the present embodiment, the transmission device 10 that lower decline angle is adjusted should be applied to, comprising: first
Transmission component 100, the first transmission component 100 include rotatable first screw rod 110 and cooperate with 110 worm drive of the first screw rod
The first driving member 120, the first driving member 120 can be moved along the axis direction of the first screw rod 110, and the first driving member 120
The first connecting portion being fixedly connected equipped with the driving end with phase shifter 20；Second transmission component 200, the second transmission component 200 packet
Include rotatable second screw rod 210 and the second driving member 220 with 210 worm drive of the second screw rod cooperation, the second driving member 220
It can be moved along the axis direction of the second screw rod 210, and the second driving member 220 is equipped with and scale 30 is fixedly connected second connect
Portion；And Synchronous Transmission component 300, the first screw rod 110 are rotated by 300 the second screw rod of synchronous drive 210 of Synchronous Transmission component, are made
First driving member 120 is opposite with the direction of motion of the second driving member 220.
The transmission device 10 is in use, the first driving member 120 is engaged with 110 spiral of the first screw rod, by the first screw rod 110
Rotary motion be changed into linear motion, and the first driving member 120 is connect by first connecting portion with the driving end of phase shifter 20,
With by the motion transmission of rotation hand wheel or electrically driven (operated) rotary output to phase shifter 20；Meanwhile first screw rod 110 pass through synchronization
The rotation of 300 the second screw rod of synchronous drive 210 of transmission component, the second driving member 220 are engaged with 210 spiral of the second screw rod, make first
The direction of motion of driving member 120 and the second driving member 220 is on the contrary, and the second driving member 220 passes through second connecting portion and scale 30
It is connected, so that the reverse drive of scale 30 Yu 20 medium of phase shifter is realized, in the first driving member 120 along the first screw rod 110
Axis direction it is mobile when, synchronizing moving and the angle of declination angle value for showing antenna.When 10 output power of transmission device, is utilized
One screw rod 110 is moved synchronously with the second screw rod 210, while making the fortune of corresponding first driving member 120 and the second driving member 220
Move it is contrary so that the direction of motion of scale 30 and phase shifter 20 on the contrary, make full use of inner antenna space, is conducive to phase shift
20 miniaturization of device.
The threaded engagement of first screw rod 110 and the first driving member 120, the second screw rod 210 and the second driving member 220 belongs to existing
There is technology, can realize that details are not described herein using any one prior art.
As shown in Fig. 2, on the basis of the above embodiments, Synchronous Transmission component 300 include the first driving gear 310 and with
The first driven gear 320 that first driving gear 310 is meshed, one end of the first driving gear 310 and the first screw rod 110 are fixed
Transmission connection, the first driven gear 320 connect with one end fixed conveyor of the second screw rod 210, the rotation direction of the first screw rod 110 and the
The rotation direction of two screw rods 210 is identical.So can use the first driving gear 310 drives the first driven gear 320 synchronous rotation
Realize the synchronous rotation of the first screw rod 110 and the second screw rod 210, it is easy to accomplish 20 angle of declination of phase shifter adjusts and the reading of scale 30
Number variation synchronizes；And in the process of implementation, the transmission ratio between the first driving gear 310 and the first driven gear 320 is easy
Setting, convenient for the angle reading size that has a down dip represented by 30 scale of calculating scale.
In addition, as shown in figure 3, Synchronous Transmission component 300 includes the second driving gear 330, transmission in another embodiment
Gear set 350 and the second driven gear 340, the second driving gear 330 drive the second driven gear by driving gear set 350
340 groups of synchronous rotations, the second driving gear 330 are connect with one end fixed conveyor of the first screw rod 110, the second driven gear 340
It is connect with one end fixed conveyor of the second screw rod 210；The rotation direction phase of second driving gear 330 and the second driven gear 340
Inverse time, the rotation direction of the first screw rod 110 are identical as the rotation direction of the second screw rod 210；Or second driving gear 330 and the second driven gear
When 340 rotation direction is identical, the rotation direction of the first screw rod 110 is oppositely oriented with the second screw rod 210.Driving gear set 350
Setting, so that the position and spacing between the first screw rod 110 and the second screw rod 210 are adjustable, and gear size can be flexible
Selection utilizes inner antenna space, so that inner antenna structure is more compact as far as possible.
The driving gear set 350 includes at least one transmission gear, and particular number can be selected according to actual needs.
Such as when driving gear set 350 includes a transmission gear, turn of the second driving gear 330 and the second driven gear 340 at this time
Dynamic direction is identical, and the rotation direction of the first screw rod 110 is oppositely oriented with the second screw rod 210；When driving gear set 350 includes two biographies
When moving gear, at this time the rotation direction of the second driving gear 330 and the second driven gear 340 on the contrary, the first screw rod 110 rotation direction
It is identical as the rotation direction of the second screw rod 210.
As shown in figure 4, in further embodiment, Synchronous Transmission component 300 include driving wheel 360, flexible drive parts 380 and
Driven wheel 370, driving wheel 360 drive driven wheel 370 to rotate synchronously by flexible drive parts 380, driving wheel 360 and the first screw rod
110 one end fixed conveyor connection, driven wheel 370 are connect with one end fixed conveyor of the second screw rod 210, the first screw rod 110
Rotation direction is oppositely oriented with the second screw rod 210；Flexible drive parts 380 are belt or chain.And then Flexible Transmission machine can be passed through
Structure realizes the synchronous rotation between the first screw rod 110 and the second screw rod 210, and the setting of the flexible drive parts 380 can be flexible
It arranges the first screw rod 110 and the second screw rod 210, inner antenna space is rationally utilized, so that inner antenna structure is more compact.
It of courses, it further includes other existing Synchronous Transmission sides that Synchronous Transmission component 300, which includes above three embodiments,
Case, as long as can be realized the first screw rod 110 and the second screw rod 210 synchronous rotation.
As shown in Fig. 2, based on any of the above embodiments, the first driving member 120 includes connector 124, evacuation body
126 and the nut seat 128 with 110 worm drive of the first screw rod cooperation, one end of evacuation body 126 be fixedly arranged on the outer of nut seat 128
Side wall, the one end for avoiding the other end and connector 124 of body 126 is fixed, so that the lateral wall of connector 124 and nut seat 128
Interval is arranged and is formed avoiding space, and the other end of connector 124 is equipped with first connecting portion.So pass through setting evacuation body
126, so that the movement of the first driving member 120 is not interfered, so that the installation site of phase shifter 20 can be with flexible choice.
Based on any of the above embodiments, screw thread of the screw thread of the first screw rod 110 at least than the second screw rod 210 is more
One line screw thread；Or/and the transmission ratio of Synchronous Transmission component 300 is greater than 1.So set, make 30, scale need to move it is lesser
Distance can represent the angle of the adjustment of phase shifter 20, can further shorten the length of scale 30；Particularly, it is applied to larger
When the adjusting of stroke, it can be effectively prevented from frangibility due to too long of scale 30, while being conducive to 20 miniaturization of phase shifter.
Specifically, the screw thread of first screw rod 110 is multi start thread, and the screw thread of the second screw rod 210 is single thread.The biography
Dynamic ratio can be 1.5,2,3 etc..
As shown in Fig. 2, the transmission device 10 further includes mounting assembly in one of the embodiments, mounting assembly includes
First support 410 and with spaced second support 420 of the first support 410, the one of the first support 410 and the first screw rod 110
End and the rotation connection of one end of the second screw rod 210, the other end and the second screw rod 210 of the second support 420 and the first screw rod 110
Other end rotation connection, Synchronous Transmission component 300 are set on the second support 420.The setting of the mounting assembly realizes first
Screw rod 110 and the second screw rod 210 it is independently installed, after debugging convenient for present apparatus modularization assembling, then be installed to inner antenna,
Be conducive to improve the packaging efficiency of antenna.
Specifically, the first screw rod 110 and the second screw rod 210 are all set in the first support 410 and the second support 420
Portion, so that first screw rod 110 and the second screw rod 210 are in hanging position after the first support 410 and the installation of the second support 420 are fixed
It sets, will not be contacted with bottom plate 430.
As shown in Figures 1 and 2, further, mounting assembly further includes bottom plate 430 and the end cap that is set on bottom plate 430
440, the first support 410 and the second support 420 interval are fixedly arranged on bottom plate 430, and end cap 440 is equipped with the through-hole passed through for scale 30
442.In this way, convenient for phase shifter 20 and 10 integrated installation of transmission device are had through-hole 442 on bottom plate 430, and through setting
End cap 440, phase shifter 20 and transmission device 10 are packaged protection convenient for the later period.
As shown in Fig. 2, the both ends of the first screw rod 110 are equipped with the first stopper section 112 in one of the embodiments, the
The both ends of one driving member 120 are equipped with the second stopper section 122 with the cooperation of 112 rotation stop of the first stopper section；Or/and second screw rod
210 both ends are equipped with third stopper section 212, and the both ends of the second driving member 220 are equipped with to be cooperated with 212 rotation stop of third stopper section
The 4th stopper section 222.It is corresponding, the moving distance of the first driving member 120 or the second driving member 220 can be controlled, is effectively controlled
System transmission distance, avoids exceeding and phase shifter 20 being caused to damage.
It should be noted that first stopper section 112 can be directly arranged at the both ends of the first screw rod 110, can also between
Away from being set on the first screw rod 110, herein with no restrictions.Specific in the present embodiment, one of them first stopper section 112 is fixed
In on pedestal, another first stopper section 112 is set on the end face of the first driving gear 310.
The third stopper section 212 can be directly arranged at the both ends of the second screw rod 210, and the second spiral shell can also be set to spacing
On bar 210, herein with no restrictions.Specific in the present embodiment, one of third stopper section 212 is fixedly arranged on pedestal, another
A third stopper section 212 is set on the end face of the first driven gear 320.
As shown in Figure 1, further including moving present invention also provides a kind of antenna, including above-mentioned transmission device 10 on the other hand
The driving end of phase device 20, scale 30 and driving device 40, phase shifter 20 is fixedly connected with first connecting portion, one end of scale 30 with
Second connecting portion is fixedly connected, and driving device 40 is for driving the rotation of the first screw rod 110.The antenna uses above-mentioned transmission device
10, it can make full use of inner space, be conducive to antenna miniaturization development.
The driving device 40 can be rotation hand wheel or electric drive rotating mechanism, which is motor+transmission
Mechanism.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of transmission device adjusted applied to lower decline angle characterized by comprising
First transmission component, first transmission component include rotatable first screw rod and are driven with first screw spiral
First driving member of cooperation, first driving member can be moved along the axis direction of first screw rod, and described first passes
Moving part is equipped with the first connecting portion being fixedly connected with the driving end of phase shifter；
Second transmission component, second transmission component include rotatable second screw rod and are driven with second screw spiral
Second driving member of cooperation, second driving member can be moved along the axis direction of second screw rod, and described second passes
Moving part is equipped with the second connecting portion being fixedly connected with scale；And
Synchronous Transmission component, first screw rod drive second screw rod to rotate, make by the Synchronous Transmission component synchronization
First driving member is opposite with the direction of motion of second driving member.
2. transmission device according to claim 1, which is characterized in that the Synchronous Transmission component includes the first driving gear
And the first driven gear being meshed with first driving gear, one end of first driving gear and first screw rod
Fixed conveyor connection, first driven gear are connect with one end fixed conveyor of second screw rod, first screw rod
Rotation direction is identical as the rotation direction of second screw rod.
3. transmission device according to claim 1, which is characterized in that the Synchronous Transmission component includes the second driving tooth
Wheel, driving gear set and the second driven gear, second driving gear by driving gear set drive described second from
Moving gear group rotates synchronously, and second driving gear connect with one end fixed conveyor of first screw rod, described second from
Moving gear is connect with one end fixed conveyor of second screw rod；Turn of second driving gear and second driven gear
When moving contrary, the rotation direction of first screw rod is identical as the rotation direction of second screw rod；Or second driving gear with
When the rotation direction of second driven gear is identical, the rotation direction of first screw rod is oppositely oriented with second screw rod.
4. transmission device according to claim 1, which is characterized in that the Synchronous Transmission component includes driving wheel, flexibility
Driving member and driven wheel, the driving wheel drive the driven wheel to rotate synchronously by the flexible drive parts, the driving wheel
It being connect with one end fixed conveyor of first screw rod, the driven wheel is connect with one end fixed conveyor of second screw rod,
The rotation direction of first screw rod is oppositely oriented with second screw rod；The flexible drive parts are belt or chain.
5. transmission device according to claim 1, which is characterized in that first driving member includes connector, evacuation body
And the nut seat with first screw spiral transmission cooperation, one end of the evacuation body are fixedly arranged on the outside of the nut seat
One end of wall, the other end and the connector of the evacuation body is fixed, so that the outside of the connector and the nut seat
Wall interval is arranged and is formed avoiding space, and the other end of the connector is equipped with the first connecting portion.
6. transmission device according to any one of claims 1 to 5, which is characterized in that first screw flight is at least
A line screw thread more than second screw flight；Or/and the transmission ratio of the Synchronous Transmission component is greater than 1.
7. transmission device according to any one of claims 1 to 5, which is characterized in that it further include mounting assembly, the installation
Component include the first support and with spaced second support of first support, first support and first screw rod
One end and second screw rod one end rotation connection, the other end of second support and first screw rod and described the
The other end of two screw rods is rotatablely connected, and the Synchronous Transmission component is set on second support.
8. transmission device according to claim 7, which is characterized in that the mounting assembly further includes bottom plate and is set to bottom
End cap on plate, first support and second support interval are fixedly arranged on the bottom plate, and the end cap is equipped with described in confession
The through-hole that scale passes through.
9. transmission device according to any one of claims 1 to 5, which is characterized in that the both ends of first screw rod are all provided with
There is the first stopper section, the both ends of first driving member are equipped with the second stopper section with the cooperation of first stopper section rotation stop；
Or/and the both ends of second screw rod are equipped with third stopper section, the both ends of second driving member are equipped with and the third
4th stopper section of stopper section rotation stop cooperation.
10. a kind of antenna, which is characterized in that further include phase shift including transmission device as described in any one of claim 1 to 9
The driving end of device, scale and driving device, the phase shifter is fixedly connected with the first connecting portion, one end of the scale with
The second connecting portion is fixedly connected, and the driving device is for driving first screw rod to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820967465.8U CN208433531U (en) | 2018-06-22 | 2018-06-22 | The transmission device and antenna adjusted applied to lower decline angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820967465.8U CN208433531U (en) | 2018-06-22 | 2018-06-22 | The transmission device and antenna adjusted applied to lower decline angle |
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| Publication Number | Publication Date |
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| CN208433531U true CN208433531U (en) | 2019-01-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023077690A1 (en) * | 2021-11-08 | 2023-05-11 | 普罗斯通信技术（苏州）有限公司 | Transmission mechanism and antenna |
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2018
- 2018-06-22 CN CN201820967465.8U patent/CN208433531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023077690A1 (en) * | 2021-11-08 | 2023-05-11 | 普罗斯通信技术（苏州）有限公司 | Transmission mechanism and antenna |
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