CN207852932U - Antenna drive switching device and antenna - Google Patents
Antenna drive switching device and antenna Download PDFInfo
- Publication number
- CN207852932U CN207852932U CN201721925706.4U CN201721925706U CN207852932U CN 207852932 U CN207852932 U CN 207852932U CN 201721925706 U CN201721925706 U CN 201721925706U CN 207852932 U CN207852932 U CN 207852932U
- Authority
- CN
- China
- Prior art keywords
- gear
- hand adjustment
- switching device
- shaft
- antenna drive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Details Of Aerials (AREA)
Abstract
The utility model discloses the antennas of a kind of antenna drive switching device and the application antenna drive switching device.The antenna drive switching device includes shell, is mounted in the shell electric regulating mechanism, hand adjustment mechanism, between the hand adjustment mechanism and the electric regulating mechanism and the switching mechanism that switches with electric tune mode for realizing hand adjustment.The antenna drive switching device realizes the separation of hand adjustment and electric tune mode; it is not rotated with built-in motor during hand adjustment; both built-in motor is protected; but also light and flexible when hand adjustment; simultaneously; built-in motor is driven under hand adjustment mode; the state that can be restored under electric tune mode; it ensure that no matter whether switch telegram in reply mode transfer formula after hand adjustment; the built-in motor will all make the antenna drive switching device be returned to electric mode transfer formula after starting; play the function of automatically reseting, it is therefore prevented that operation mistiming affects other structural members or damaged the built-in motor.
Description
Technical field
The utility model is related to antenna technical fields, specifically, the utility model is related to a kind of switchings of antenna drive to fill
It sets and antenna.
Background technology
With developing in depth and breadth for mobile communication cause, operator proposes increasingly the network optimization in its network construction
High requirement adjusts the regulative mode of angle of declination also to have new requirement the electricity of antenna.
Currently, the regulative mode to independent electric melody aerial lower inclination angle generally uses hand adjustment to be linked together with electricity tune, in hand adjustment
When need drive motor rotation.The disadvantage of this regulative mode is, torque is excessive when hand adjustment, is eaten very much in adjustment process
Power, speed are very slow, and be easy to cause the damage of inner structural members or motor.Meanwhile after hand adjustment, if forgetting to be restored to electricity
Mode transfer formula also cannot be introduced into electric mode transfer formula, influence antenna service life and customer experience with regard to driving motor.
Utility model content
The purpose of the utility model is to provide a kind of antenna drive switching device and a kind of antennas.
To achieve the goals above, the utility model provides following technical scheme：
A kind of antenna drive switching device, including shell and be mounted in the shell electric regulating mechanism, hand adjustment mechanism,
Switching mechanism between the hand adjustment mechanism and the electric regulating mechanism；The electricity regulating mechanism includes first gear；The hand
Regulating mechanism includes second gear；The switching mechanism includes：
Limiting section, the limiting section are disposed in the housing side wall and are evenly distributed with multiple limited blocks, two neighboring institute
It states and limits guide groove between limited block, the limited block top is equipped with hand adjustment limit point, limited block top endpoint and institute
It states and forms slope between hand adjustment limit point；
Third shaft is equipped with boss in the middle part of the third shaft, and the boss periphery is equipped at intervals with guide post；
Switching push button set on the lower end of the third shaft and can drive the third shaft to move upwards, so that described
Guide post rises along the guide groove and rotates to the hand adjustment limit point；
Third gear, is sheathed on the third shaft, and the third gear be located at the boss top and with it is described
First gear engages always；The third gear can drive the guide post to be limited from the hand adjustment under first gear driving
Site slides into along the slope at the guide groove；
Elastic element, is sheathed on the third shaft, and can the guide post from the hand adjustment limit point along it is described tiltedly
Slope provides restoring force for the third shaft after sliding at the guide groove and drives the guide post under the guide groove
It is sliding, so that the third gear is engaged with the second gear.
Specifically, each limited block includes the first positive stop strip, the second positive stop strip and is connected to connection between the two
Plate, first positive stop strip top are equipped with the first guiding surface close to the side of the guide groove, and the connecting plate top is equipped with
Hand adjustment limit point is respectively formed tiltedly between the hand adjustment limit point and first positive stop strip and the top endpoint of the second positive stop strip
Slope.
Further, its top of the switching push button upwardly extends to form multiple equally distributed sawtooth along end face, adjacent
There is V-groove between two sawtooth.
Further, the guide post protrudes from the bottom end of the boss and is formed with energy in face of one end of the sawtooth
With the V-groove and matched second guiding surface of the first guiding surface.
Specifically, the periphery on switching push button top, which is intervally distributed with, multiple is embedded at the guide groove and can be along the guiding
The sliding block of slot sliding.
Further, the side of relatively described first positive stop strip of the connecting plate and the second positive stop strip along case inside outward
To recess, and then the guide groove is also formed in each limited block.
Specifically, further include connecting and being used to show that the Downtilt of Downtilt angle shows machine with hand adjustment mechanism
Structure.
Further, the hand adjustment mechanism further includes the second shaft being arranged in the second gear, described second turn
Axis is installed with gear above the second gear, and the outer diameter of the gear is less than the outer diameter of the second gear；
The Downtilt indication mechanism includes the display panel for being installed on the surface of shell, drives the display panel aobvious
Show the 4th shaft of angle and is installed on the 4th gear engaged in the 4th shaft and with the gear.
Further, the Downtilt indication mechanism further includes the multi-stage gear group engaged with the 4th gear.
Further, the boss top is equipped with the installation convex ribs radially extended along third shaft, the installation convex ribs
Top is arranged with gradient；The third face of gear to one end of boss be equipped with the matched mounting groove of the installation convex ribs,
The installation convex ribs are embedded at the mounting groove, and the top of the first positive stop strip or the second positive stop strip can be crossed in the guide post
Into being detached from out of described mounting groove when the guide groove.
Specifically, the hand adjustment mechanism further includes the hand adjustment for being installed on the surface of shell and being connect with second shaft
Knob.
Specifically, the housing outer surface be equipped with grab and can with the grab of antenna drive switching device described in another into
The card slot of row hook connection.
Meanwhile the present invention also provides a kind of antennas comprising above-mentioned antenna drive switching device.
Compared with the prior art, the embodiment of the utility model has the following advantages：
In the antenna drive switching device of the utility model, the antenna drive switching device utilizes switching mechanism, realizes
The separation of hand adjustment pattern and electric mode transfer formula, and adjust Downtilt under hand adjustment pattern and do not drive motor to rotate, it protects
The motor.Meanwhile under hand adjustment pattern, the built-in motor is driven, the third gear can be made to be nibbled with the second gear
It closes, ensure that no matter whether switch telegram in reply mode transfer formula after hand adjustment, the built-in motor will all make the antenna drive after starting
Switching device is returned to electric mode transfer formula, plays the function of automatically reseting, it is therefore prevented that operation mistiming affect other structural members or
The built-in motor is damaged.
The additional aspect of the utility model and advantage will be set forth in part in the description, these will be from following description
In become apparent, or recognized by the practice of the utility model.
Description of the drawings
The utility model is above-mentioned and/or additional aspect and advantage from the following description of the accompanying drawings of embodiments will
Become apparent and is readily appreciated that, wherein：
Fig. 1 is a kind of a kind of part-structure schematic diagram of embodiment of antenna drive switching device in the utility model,
Which basically illustrate antenna drive switching devices to be in the state under hand adjustment pattern；
The antenna drive switching device that Fig. 2 is Fig. 1 is in the part-structure schematic diagram of the state under electric mode transfer formula；
Fig. 3 is the exploded view of the part-structure of the antenna drive switching device in Fig. 1；
Fig. 4 is the part-structure schematic diagram of the shell in Fig. 3；
Fig. 5 is the enlarged drawing of part A in Fig. 4；
Fig. 6 is the part-structure figure of switching construction described in Fig. 1；
Fig. 7 is the enlarged drawing of part B in Fig. 6；
Fig. 8 is the optical cable of Fig. 6；
Fig. 9 is the optical cable of Fig. 6；
Figure 10 is the structural schematic diagram of antenna drive switching device described in Fig. 1；
Figure 11 is a kind of structural schematic diagram of another embodiment of antenna drive switching device in the utility model.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
It is understood that there are two types of current antenna angle of declination regulative modes：Hand adjustment and electricity are adjusted.The utility model is provided
Antenna drive switching device can realize electricity adjust can also realize hand adjustment, hand adjustment or electricity adjust by way of, realize to phase shift
The adjusting of device, and then realize the adjusting of Downtilt.
Such as Fig. 1~Figure 10, the utility model provides a kind of antenna drive switching device of embodiment.
The antenna drive switching device 100, including shell 1, the electric regulating mechanism 2 being mounted in the shell 1, hand adjustment
Mechanism 3, the switching switched between the hand adjustment mechanism 3 and the electric regulating mechanism 2 and for realizing hand adjustment and electric tune mode
Mechanism 4.
The electricity regulating mechanism 2 includes first rotating shaft 20, first gear 21 and built-in motor (being not shown, similarly hereinafter).Described
One gear 21 is fixed in the first rotating shaft 20, and the built-in motor is fixed on one end in first rotating shaft 20.Built-in motor
When startup, the first rotating shaft 20 can be driven to rotate, and then first gear 21 is driven to rotate.
The hand adjustment mechanism 3 includes the second shaft 30 and the second gear 31 being fixed in second shaft 30.Second
Shaft 30 is used to connect with external equipment to be driven.
The switching mechanism 4 includes limiting section 40, switching push button 41, third shaft 42, third gear 43 and elastic element
44。
Fig. 4~Fig. 5 is please referred to, the limiting section 40 is formed in 1 madial wall of the shell comprising multiple equally distributed
Limited block 401.Guide groove 402 is limited between the two neighboring limited block 401.Each limited block 401 includes first
Positive stop strip 4010, the second positive stop strip 4011 and it is connected to connecting plate 4012 between the two.First positive stop strip, 4010 top
It is equipped with the first guiding surface 4013 close to the side of the guide groove 402.4012 top of the connecting plate is equipped with hand adjustment limit point
4014, between the top endpoint of 4010 and second positive stop strip 4011 of the hand adjustment limit point 4014 and first positive stop strip respectively
Form slope 4015.
Fig. 6~Fig. 8 is please referred to, 41 top of the switching push button has multiple equally distributed sawtooth 410, the sawtooth
410 upwardly extend to be formed along end face.There is V-groove 411 between two neighboring sawtooth 410.
Please continue to refer to Fig. 6~Fig. 8, third shaft 42 can axially and movably be located at the top of the switching push button 41.Institute
The middle part for stating third shaft 42 is equipped with boss 420.420 periphery of the boss, which is equipped at intervals with, to match with the guide groove 402
The guide post 421 of conjunction.The guide post 421 protrudes from bottom end and the formation of the boss 420 in face of one end of the sawtooth 410
Can with 4013 matched second guiding surface 422 of the V-groove 411 and the first guiding surface, with the guide post 421 by
Rise along the guide groove 402 when the directed force F transmitted due to external pressing to the switching push button 41 and rotates predetermined angular
Into the hand adjustment limit point 4014.
Third gear 43 is located at the top of the boss 420 and is engaged always with the first gear 21, can be relatively described
Third shaft 42 is sheathed on the third shaft 42 with axial motion.The rotation driving third gear 43 of first gear 21, third
Gear 43 drives the guide post 421 of the third shaft 42 from the hand adjustment limit point 4014 along the slope 4015 in turn
It slides at the guide groove 402.
Elastic element 44 is sheathed on the third shaft 42 and suppresses between the shell 1 and the third gear 43,
With in reaction force attenuation of the switching push button 41 to the third shaft 42 or disappearance, and it is located at institute in the guide post 421
Third shaft 42 is driven to glide and the third gear 43 is made to be engaged with the second gear 31 when stating at guide groove 402.
It presses the switching push button 41 and the hand adjustment pattern of the antenna drive switching device 100 or electric mode transfer formula may be selected.
Press the switching push button 41, also that is, applying external force to the switching mechanism 4 so that the switching mechanism 4 adjust it is described
The physical location of third gear 43, and then realize electricity tune or hand adjustment.
Fig. 6 and Fig. 7 are please referred to, the switching push button 41 is pressed, so that the antenna drive switching device 100 is into starting with
During mode transfer formula, the switching push button 41, which moves up in the guide groove 402 of the limiting section 40 and acts on third, to be turned
Guide post 42 on axis 42.The switching push button 41 can be analyzed to the switching push button 41 to the directed force F of the guide post 42
Upward thrust and axial rotation torsion are generated to the guide post 42, so that the guide post 42 is limited along from second
Position item 4011 is to guide post 42 described in the direction of first positive stop strip 4010 rotation in the process for moving upwards simultaneously lateral rotation
In, the top endpoint of second positive stop strip 4011 is crossed, into the hand adjustment limit point 4014 and second positive stop strip
The slope 4015 between 4011 top endpoints, after entering the slope 4015, the guide post 42 is finally in elasticity
Under the active force of element 44 hand adjustment limit point 4014 is slided into along slope 4015.At this point, the second gear 31 and the third
Gear 43 is in discrete state, and the antenna drive switching device enters hand adjustment pattern.
The switching push button 41 is pressed, so that during the antenna drive switching device 100 enters electric mode transfer formula,
The switching push button 41 moves up and acts on third shaft in the guide groove 402 of the limiting section 40, so that described
Three shafts 42 rotate under the pressure of elastic element 44 above, so that the guide post 42 is from the hand adjustment limit point 4014
Cross the slope 4015 between the hand adjustment limit point 4014 and first positive stop strip 4010 and close to inclined-plane 4013 most
It is moved to guide groove 402 eventually and is slid downwards along the guide groove 402, the third gear 43 follows third shaft 42 along the
The axially downwardly sliding of three shafts 42 simultaneously finally realizes that the third gear 43 engages the antenna with the second gear 31 and passes
Dynamic switching device enters electric mode transfer formula.
Likewise, under hand adjustment pattern, built-in motor is driven, no matter the built-in motor is rotated forward or is inverted, and described the
After the rotation of one gear can drive the second shaft 30 to rotate, the rotation direction of the guide post 42 does not occur due to stress factor
Variation.The guide post 42 follows the rotation of the second shaft 30 to cross the hand adjustment limit point from the hand adjustment limit point 4014
Slope 4015 between 4014 and first positive stop strip 4010, and enter above guide groove 402 close to the inclined-plane 4013.Institute
The second shaft 30 is stated under the pressure of elastic element 44, it can be downward when the guide post 42 enters above the guide groove 402
Sliding, the third gear 43 follow third shaft 42 along the axially downwardly sliding of third shaft 42 and finally realize the third
Gear 43 engages the antenna drive switching device with the second gear 31 and enters electric mode transfer formula.
The antenna drive switching device 100 utilizes switching mechanism 4, realizes the separation of hand adjustment pattern and electric mode transfer formula,
And Downtilt is adjusted under hand adjustment pattern does not drive built-in motor to rotate, and protects the motor.Meanwhile hand adjustment pattern
Under, drive the built-in motor, the third gear can be made to be engaged with the second gear, ensure that no matter after hand adjustment whether
Switching telegram in reply mode transfer formula, the built-in motor will all make the antenna drive switching device be returned to electric mode transfer formula after starting,
Play the function of automatically reseting, it is therefore prevented that operation mistiming affects other structural members or damaged the built-in motor.
Specifically, the switching push button 41 is equipped with accepting hole (being not shown, similarly hereinafter), and the lower end of the third shaft 42 can axis
To being actively sheathed in the accepting hole.
In a kind of specific embodiment of the utility model, the periphery on 41 top of switching push button is intervally distributed with multiple sliding blocks
412.The sliding block 412 is embedded at the guide groove 402 and can be slided along the guide groove 402, to realize the switching push button
41 moving up and down and act on the guide post 421 or the boss 420 in second shaft 30 along guide groove 402.
Further, relatively described first positive stop strip, 4010 and second positive stop strip 4011 of the connecting plate 4012 is along shell 1
The direction of Inside To Outside is recessed, and then also forms the guide groove 402 in each limited block 401.
Please continue to refer to Fig. 9,420 top of the boss is equipped with the installation convex ribs 7 radially extended along third shaft 42, described
The top for installing convex ribs 7 is arranged with gradient；The third gear 43 is equipped with and the installation convex ribs in face of one end of boss 420
7 matched mounting grooves 430, the installation convex ribs 7 are embedded at the mounting groove 430, and can cross in the guide post 421
One positive stop strip 4010 is detached from when entering the guide groove 402 out of the mounting groove 430.
Specifically, further include being connect with hand adjustment mechanism 3 and for showing that the Downtilt of Downtilt angle is shown
Mechanism 5, during realizing that Downtilt is adjusted, to show Downtilt angle.
Further, second shaft 30 is installed with gear 6, and the upper tooth above the second gear 31
The outer diameter of wheel 6 is less than the outer diameter of the second gear 31, so that the third gear 43 will not be engaged with the gear 6.
Please continue to refer to Fig. 1 and Figure 10, the Downtilt indication mechanism 5 includes being installed on 1 surface of the shell
Display panel 50, the 4th shaft 51 for driving 50 angles of display of display panel and the 4th tooth being installed in the 4th shaft 51
Wheel 52.4th gear 52 engages always with the gear 6.It is described under either electric mode transfer formula or under hand adjustment pattern
Second gear, which rotates, to be driven the second shaft to rotate and then the gear is driven to rotate, to realize the mistake of Downtilt adjusting
Cheng Zhong, can simultaneous display Downtilt angle.
Further, the Downtilt indication mechanism 5 further includes the multi-stage gear engaged with the 4th gear 52
Group 53.At this point, the display panel 60 is connect with the multi-stage gear group 63, the 4th gear 52 can drive described more when rotating
Grade gear set 53 rotates, so that the display panel 50 shows Downtilt angle.
Specifically, the hand adjustment mechanism 3 further includes being installed on 1 surface of the shell and being connect with second shaft 30
Manual adjusting knob 32.Under hand adjustment mode, second shaft 30 can be driven to rotate by rotating or twisting manual adjusting knob 32, to band
The dynamic phase shifter being connect with screw rod by drive link with the hand adjustment mechanism 3, the final hand adjustment realized to Downtilt.
Specifically, outer 1 surface of the shell is equipped with grab 7 and can be with the grab of antenna drive switching device described in another
7 carry out the card slot 8 of hook connection., can be stacked together by mutiple antennas transmission switching device using the grab 7 and card slot 8,
In the case of not increasing other parts, the versatility of single-frequency electricity tune and the part of multifrequency electricity tune is realized to the maximum extent.
Meanwhile the utility model additionally provides a kind of antenna using above-mentioned antenna drive switching device.
Incorporated by reference to Figure 10 and Figure 11, the antenna drive switching device 100 and the phase shift on the antenna of the antenna
Device (being not shown, similarly hereinafter) is connect by drive link 9 with screw rod 10.The operation of the transmission switching device 100 drives the transmission
Bar 9 is moved with the screw rod 10, and phase shifter is driven to run, and to change the phase of phase shifter, is finally completed Downtilt
Adjusting.
The above is only some embodiments of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the scope of protection of the utility model.
Claims (10)
1. a kind of antenna drive switching device, including shell and be mounted in the shell electric regulating mechanism, hand adjustment mechanism, position
Switching mechanism between the hand adjustment mechanism and the electric regulating mechanism；The electricity regulating mechanism includes first gear；The hand adjustment
Mechanism includes second gear；It is characterized in that, the switching mechanism includes：
Limiting section, the limiting section are disposed in the housing side wall and are evenly distributed with multiple limited blocks, the two neighboring limit
Guide groove is limited between the block of position, the limited block top is equipped with hand adjustment limit point, limited block top endpoint and the hand
Slope is formed between tune limit point；
Third shaft is equipped with boss in the middle part of the third shaft, and the boss periphery is equipped at intervals with guide post；
Switching push button set on the lower end of the third shaft and can drive the third shaft to move upwards, so that the guiding
Column rises along the guide groove and rotates to the hand adjustment limit point；
Third gear, is sheathed on the third shaft, and the third gear is located at the top of the boss and with described first
Gear engages always；The third gear can drive the guide post from the hand adjustment limit point under first gear driving
It is slid at the guide groove along the slope；
Elastic element is sheathed on the third shaft, and can be slided from the hand adjustment limit point along the slope in the guide post
There is provided restoring force after moving to the guide groove for the third shaft drives the guide post to glide along the guide groove, with
The third gear is set to be engaged with the second gear.
2. antenna drive switching device according to claim 1, which is characterized in that each limited block includes the first limit
Position and is connected to connecting plate between the two at item, the second positive stop strip, first positive stop strip top close to the guide groove one
Side is equipped with the first guiding surface, and the connecting plate top is equipped with hand adjustment limit point, and the hand adjustment limit point is limited with described first
It is respectively formed slope between item and the top endpoint of the second positive stop strip.
3. antenna drive switching device according to claim 2, which is characterized in that its top of the switching push button is along end face
It upwardly extends to form multiple equally distributed sawtooth, there is V-groove between two neighboring sawtooth.
4. antenna drive switching device according to claim 3, which is characterized in that the guide post is in face of the sawtooth
One end protrudes from the bottom end of the boss and is formed with and can be oriented to tiltedly with the V-groove and the first guiding surface matched second
Face.
5. antenna drive switching device according to claim 1, which is characterized in that the outer weekly interval on switching push button top point
It is furnished with multiple sliding blocks that is embedded at the guide groove and can be slided along the guide groove.
6. antenna drive switching device according to claim 2, which is characterized in that relatively described first limit of the connecting plate
Position item and the second positive stop strip are recessed along case inside direction outward, and then lead described in also being formed in each limited block
To slot.
7. antenna drive switching device according to claim 1, which is characterized in that further include connecting to be used in combination with hand adjustment mechanism
In the Downtilt indication mechanism of display Downtilt angle.
8. antenna drive switching device according to claim 7, which is characterized in that
The hand adjustment mechanism further includes the second shaft being arranged in the second gear, and second shaft is in second tooth
Wheel top is installed with gear, and the outer diameter of the gear is less than the outer diameter of the second gear；
The Downtilt indication mechanism includes the display panel for being installed on the surface of shell, the display panel is driven to show angle
Degree the 4th shaft and be installed on the 4th gear engaged in the 4th shaft and with the gear.
9. antenna drive switching device according to claim 2, which is characterized in that the boss top is equipped with to be turned along third
The top of the installation convex ribs that axis radially extends, the installation convex ribs is arranged with gradient；The third face of gear is to the one of boss
End be equipped with the matched mounting groove of the installation convex ribs, the installation convex ribs are embedded at the mounting groove, and can be led described
It crosses to column when the top of the first positive stop strip or the second positive stop strip enters the guide groove and is detached from out of described mounting groove.
10. a kind of antenna, which is characterized in that including the antenna drive switching device described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925706.4U CN207852932U (en) | 2017-12-28 | 2017-12-28 | Antenna drive switching device and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721925706.4U CN207852932U (en) | 2017-12-28 | 2017-12-28 | Antenna drive switching device and antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852932U true CN207852932U (en) | 2018-09-11 |
Family
ID=63416661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721925706.4U Active CN207852932U (en) | 2017-12-28 | 2017-12-28 | Antenna drive switching device and antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852932U (en) |
-
2017
- 2017-12-28 CN CN201721925706.4U patent/CN207852932U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105338135B (en) | Kato automatic pop-up device and there is its electronic equipment | |
| CN104170165B (en) | Antenna regulating device and electricity adjust antenna | |
| CN110474166B (en) | Electrically-tunable antenna transmission switching device and base station antenna | |
| CN104372561A (en) | Variable-frequency simulated hand-wash motor reduction clutch and washing machine | |
| CN102206913B (en) | Transmission device of washing machine | |
| CN110477645A (en) | One kind opening drawer mechanism | |
| CN207852932U (en) | Antenna drive switching device and antenna | |
| CN102871604B (en) | Clutch for rolling brush of dust collector | |
| CN209677724U (en) | A kind of plectrum hand controller | |
| CN110427072A (en) | A kind of electronic equipment | |
| CN207098064U (en) | Antenna drive switching device and antenna | |
| CN216597991U (en) | Phase shifter phase shifting device | |
| CN112886250B (en) | Shift type electrically-controlled antenna transmission device and base station antenna | |
| CN102927232B (en) | Stop sign arm power take-off | |
| CN205017048U (en) | From electricity generation controlling means | |
| CN205969035U (en) | Robot turns to accurate positioning mechanism | |
| CN106253572A (en) | Household electrical appliance | |
| CN103594296A (en) | Switching-on/switching-off operating mechanism of circuit breaker | |
| CN203706011U (en) | Telescoping knob assembly and oven | |
| CN106601516A (en) | Miniaturized selection switch assembly used for on-load tap changer | |
| CN206946432U (en) | Lift keyboard | |
| CN109301482A (en) | A kind of RF antenna convenient for adjusting | |
| CN201417439Y (en) | Mouse with wire winding mechanism | |
| CN220731369U (en) | Novel linkage switch | |
| CN204825385U (en) | Washing machine's operation driving lever, control panel subassembly and washing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200219 Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10 Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd. Patentee before: Comba Telecom System (China) Ltd. Co-patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd. Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd. |