CN209366448U - A kind of trigger mechanism of unmanned plane undercarriage wheel load switch - Google Patents
A kind of trigger mechanism of unmanned plane undercarriage wheel load switch Download PDFInfo
- Publication number
- CN209366448U CN209366448U CN201821996534.4U CN201821996534U CN209366448U CN 209366448 U CN209366448 U CN 209366448U CN 201821996534 U CN201821996534 U CN 201821996534U CN 209366448 U CN209366448 U CN 209366448U
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- Prior art keywords
- hole
- load switch
- trigger
- swinging axle
- wheel load
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- 230000007246 mechanism Effects 0.000 title claims abstract description 23
- 240000007643 Phytolacca americana Species 0.000 claims abstract description 23
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000005461 lubrication Methods 0.000 claims description 25
- 238000009434 installation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 239000004519 grease Substances 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model relates to unmanned plane wheel load switching technique fields, a kind of trigger mechanism of unmanned plane undercarriage wheel load switch, including wheel shaft, rotation axis, swinging axle and trigger board, wheel load switch is installed on support arm, wheel shaft is connect by rotation axis with support arm lower rotation, trigger board is installed on support arm and can rotate relative to support arm, and swinging axle is installed on wheel shaft top, and wheel shaft can drive swinging axle to swing；Support arm has limit hole, and swinging axle passes through limit hole, and the outer diameter that swinging axle is located at limit hole inner part is less than the diameter of limit hole, between the two formed swings gap；Trigger board bottom has poke hole, and swinging axle passes through poke hole, and the outer diameter that swinging axle is located at poke hole inner part is less than the diameter of poke hole, is formed stir gap therebetween；Wheel shaft rotation can drive trigger board to rotate, and may make trigger board top trigger wheel load switch.Meet requirement of strength design, guarantee wheel load switch normally and disconnection, oil gas disclosure risk is not present in save the cost, guarantees safety.
Description
Technical field
The utility model relates to unmanned plane wheel load switching technique field, in particular to a kind of unmanned plane undercarriage wheel load switch
Trigger mechanism.
Background technique
The load switch composition part important as unmanned plane is taken turns, it is to judge that aircraft is air-ground that it, which is unmanned plane for wheel load signal,
The most important reference frame of state；Therefore the installation site of wheel load switch and conducting situation directly determine the standard of unmanned aerial vehicle (UAV) control
True degree.Existing wheel load switch generally passes through the conducting and disconnection of draft gear travel change triggers wheel load switch, due to buffering
Device needs to fill oil liquid or gas, and not only use cost increases, and can also have the risk of oil and gas leakage；And buffer oil gas
Back under pressure parameter is improper, directly affects the conduction property of wheel load switch.
Therefore, the application proposes a kind of trigger mechanism of unmanned plane undercarriage wheel load switch.
Utility model content
The goal of the invention of the utility model is: in view of the above problems, providing a kind of unmanned plane undercarriage wheel load
The trigger mechanism of switch, stable structure is reasonable, meets strength of aircraft design requirement, can effectively ensure that normally leading for wheel load switch
On and off is opened, and the course of work is reliably effective, saves use cost, oil and gas leakage risk is not present, to guarantee aircraft safety.
The technical solution adopted in the utility model is such that a kind of trigger mechanism of unmanned plane undercarriage wheel load switch,
Including wheel shaft, rotation axis, swinging axle and trigger board, the wheel load switch is fixedly installed on the support arm of the undercarriage, described
Wheel shaft is rotatably fixed with the support arm bottom by the rotation axis and is connect, and the trigger board is fixedly installed in the support arm
It can rotate above and relative to the support arm, the swinging axle is installed on the wheel shaft top, and the wheel shaft can drive the swing
Axis is swung；
There is limit hole, the swinging axle passes through the limit hole, and the swinging axle is located at the limit on the support arm
The outer diameter of hole inner part is less than the diameter of the limit hole, forms swing gap therebetween；
The trigger board bottom has poke hole, and the swinging axle passes through the poke hole, and the swinging axle is located at described
The outer diameter of poke hole inner part is less than the diameter of the poke hole, is formed stir gap therebetween；
The rotation of the wheel shaft can drive the trigger board to rotate, and then the trigger board top may make to trigger the wheel
Load switch.
So set, wheel shaft lower part is used to be fixedly connected with the shaft of tire, and after unmanned plane landing, tire contact to earth, ground
Face is to one upward power of shaft of tire, which can generate a clockwise torque at rotation axis, so that wheel shaft can
It rotates clockwise, the rotational motion of the cooperation of the mechanical structures such as wheel shaft, rotation axis, swinging axle and trigger board, wheel shaft can pass through pendulum
Moving axis passes to trigger board, so that trigger board rotates, so that trigger board top trigger wheel load switch, so that wheel load switch is led
It is logical；On the contrary, after tire liftoff under the action of tire gravity, a torque counterclockwise being generated at rotation axis, passes through wheel
The cooperation of axis, rotation axis, swinging axle and trigger board, so that trigger board rotates backward, so that wheel load is left on trigger board top
Switch is taken turns load switch at this time and is disconnected；Conducting and the process disconnected are reliably effective；Swinging gap width and stirring gap width can satisfy
Trigger board turns to its top trigger wheel load switch, and trigger board rotatably returns back to initial position；Rotation axis and support arm bottom
Be fixedly connected and the cooperation of swinging axle and limit hole is that tire contacts to earth and provides stable support simultaneously.
A kind of trigger mechanism of unmanned plane undercarriage wheel load switch described in the utility model, the support arm bottom have two
Block mounting plate, the bottom of two mounting plates offer mounting hole, and the wheel shaft top passes through the rotation between two mounting plates
Axis is realized across the wheel shaft and the mounting hole is rotatably fixed connection the wheel shaft and the support arm；Two mounting plates
Top offer the limit hole, the both ends of the swinging axle are corresponding across two limit holes, the one end of the swinging axle
Across the poke hole.
So set, make between wheel shaft and support arm be connected and fixed it is more reasonable, reliable and stable.
A kind of trigger mechanism of unmanned plane undercarriage wheel load switch described in the utility model, fixed peace in the mounting hole
Equipped with lower bushing, the rotation axis is installed in the lower bushing and is adapted, and the rotation axis can be relative to the lower bushing
Rotation；Described rotation axis one end has limited step one, and the outer dimension of the limited step one is greater than the installation bore dia,
The outer surface of the rotation axis another end has external screw thread and is threaded with nut one.
So set, limited step one and nut one can effectively prevent rotation axis to be detached from mounting plate, so that rotation axis and peace
Can be rotated between loading board be fixedly connected it is more reliable and more stable, meanwhile, between mounting plate and rotation axis by lower bushing realization match
It closes, avoids direct pivoting friction between the two, avoid wearing simultaneously, increase service life.
A kind of trigger mechanism of unmanned plane undercarriage wheel load switch described in the utility model, the rotation axis offer axis
To lubrication hole, the axial direction lubrication hole is axially extending along the rotation axis together across the limited step, the axial lubrication
The inlet in hole is threaded with pump nozzle, and the position that the rotation axis corresponds to the lower bushing offers radial lubrication
Hole, described radial lubrication holes one end are connected to the axial lubrication hole, another end and the lower sleeve inner surface regional connectivity.
So set, lubricant grease can be injected by pump nozzle, lubricant grease enters axial lubrication hole, and then enters radial
Lubrication hole is eventually entered into and is lubricated between lower sleeve inner surface and rotation axis outer surface, is that rotation axis turns in lower bushing
Dynamic process provides lubrication, further increases service life.
A kind of trigger mechanism of unmanned plane undercarriage wheel load switch described in the utility model, the swinging axle includes major diameter
Section and path section have limited step two, the outer dimension of the limited step two between the major diameter section and the path section
Greater than the limit bore dia, the limited step two is between the mounting plate and the trigger board；The path section is worn
The poke hole is crossed, the outer end of the path section has external screw thread and is threaded with nut two, and the trigger board bottom has
Rotating pin, corresponding on the mounting plate to offer rotation hole, the rotating pin is installed in the rotation hole and can be in institute
Rotation in rotation hole is stated, the nut two forms the trigger board and limits；The outer end of the major diameter section has external screw thread and spiral shell
Line is connected with nut three.
So set, limited step two and nut three can effectively prevent swinging axle to be detached from mounting plate, nut two, rotating pin
Cooperation with rotation hole can effectively prevent trigger board to be detached from mounting plate, so that the connection between swinging axle, mounting plate, trigger board is more
Adduction reason is reliable.
A kind of trigger mechanism of unmanned plane undercarriage wheel load switch described in the utility model, fixed peace in the limit hole
Equipped with upper bushing, the major diameter section is installed in the upper bushing, the swing gap be formed in major diameter section outer surface in
Between the upper bushing inner surface.
Cooperate so set, being realized between mounting plate and swinging axle by upper bushing, avoids therebetween directly contact, keep away
Exempt from the two while wearing, increases service life.
A kind of trigger mechanism of unmanned plane undercarriage wheel load switch described in the utility model, the support arm have lower connection
Seat, the trigger board have upper connecting base, are connected between two attachment bases by reset tension spring.
So set, wheel load switch is left simultaneously in the top that reset tension spring facilitates trigger board after unmanned plane departs
It resets, is conducive to the disconnection process for taking turns load switch.
A kind of trigger mechanism of unmanned plane undercarriage wheel load switch described in the utility model, the trigger board top have
Trigger unit, the trigger unit are used for and the wheel load switch contact.
So set, trigger unit makes trigger board more smoothly effective to the trigger process of wheel load switch.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are: the utility model structure
Stablize rationally, meet strength of aircraft design requirement, can effectively ensure that the normal ON of wheel load switch and disconnection, the course of work can
By effective, oil and gas leakage risk is not present, to guarantee aircraft safety in saving use cost.
Detailed description of the invention
Fig. 1 is the partial sectional view of the utility model；
Fig. 2 is that A goes out enlarged drawing in Fig. 1；
Fig. 3 is that B goes out enlarged drawing in Fig. 1；
Fig. 4 is that C goes out enlarged drawing in Fig. 1；
Fig. 5 is that D goes out enlarged drawing in Fig. 1；
Fig. 6 is the side diagram of the utility model；
Fig. 7 is the schematic diagram of the utility model and matching of tyre.
Marked in the figure: 1 is wheel load switch, 2 be wheel shaft, and 3 be rotation axis, and 4 be swinging axle, and 5 be trigger board, and 6 be support arm, 7
To swing gap, 8 is stir gap, and 9 be mounting plate, and 10 be lower bushing, and 11 be limited step one, and 12 be nut one, and 13 be axis
To lubrication hole, 14 be pump nozzle, and 15 be radial lubrication holes, and 16 be limited step two, and 17 be nut two, and 18 be rotating pin, 19
It is upper bushing for nut three, 20,21 be lower connecting base, and 22 be upper connecting base, and 23 be reset tension spring, and 24 be trigger unit, and 25 be pin
Hole, 26 be gasket, and 27 be tire.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment 1
As shown in Fig. 1,4 to 7, a kind of trigger mechanism of unmanned plane undercarriage wheel load switch, including wheel shaft 2, rotation axis 3,
Swinging axle 4 and trigger board 5, wheel load switch 1 are fixedly installed on the support arm 6 of undercarriage, and wheel shaft 2 passes through rotation axis 3 and 6 bottom of support arm
Portion is rotatably fixed connection, and trigger board 5 is fixedly installed on support arm 6 and can rotate relative to support arm 6, and swinging axle 4 is installed on
2 top of wheel shaft, wheel shaft 2 can drive swinging axle 4 to swing；
There is limit hole, swinging axle 4 passes through limit hole, and the outer diameter that swinging axle 4 is located at limit hole inner part is less than on support arm 6
The diameter of limit hole forms therebetween swing gap 7, and swinging axle 4 can be swung swinging in 7 range of gap；
5 bottom of trigger board has poke hole, and swinging axle 4 passes through poke hole, and swinging axle 4 is located at the outer diameter of poke hole inner part
Gap 8 is stirred less than the diameter of poke hole, between the two formed, swinging axle 4 can stir trigger board 5 stirring in 8 range of gap
Bottom makes its rotational motion；
The rotation of wheel shaft 2 can drive trigger board 5 to rotate, and then may make 5 top trigger wheel load switch 1 of trigger board, wheel shaft 2
Lower part with the shaft of tire 27 for being fixedly connected, and fixed connection point is located at 3 lower section of rotation axis, is used for and nothing at the top of support arm 6
Man-machine fuselage (not shown) is connected and fixed.
Specifically, 6 bottom of support arm has two pieces of mounting plates 9, and the bottom of two mounting plates 9 offers mounting hole, 2 top of wheel shaft
It is rotationally solid across wheel shaft 2 and mounting hole realization wheel shaft 2 and support arm 6 by rotation axis 3 between two mounting plates 9
Fixed connection；The top of two mounting plates 9 offers limit hole, and the both ends of swinging axle 4 are corresponded to across two limit holes, swinging axle 4
One end passes through poke hole.
Further, support arm 6 has lower connecting base 21, and trigger board 5 has upper connecting base 22, passes through between two attachment bases multiple
Position tension spring 23 connects, and specifically, lower connecting base 21 is located on mounting plate 9, and reset tension spring 23 is in tensional state, lower connecting base 21
Positioned at 22 lower section of upper connecting base；5 top of trigger board has trigger unit 24, and trigger unit 24 is used to contact with wheel load switch 1.
Embodiment 2
As shown in Figures 2 and 3, on the basis of embodiment 1, lower bushing 10 is fixedly installed in mounting hole, rotation axis 3 is installed
In in lower bushing 10 and being adapted, rotation axis 3 can be rotated relative to lower bushing 10；3 one end of rotation axis has limited step one
11, the outer dimension of limited step 1 is greater than installation bore dia, i.e. the circumferential each width of limited step 1 is all larger than installation
The diameter in hole, the outer surface of 3 another end of rotation axis have external screw thread and are threaded with nut 1.
Specifically, lower bushing 10 is step-like, including cylindrical portions and annular plate portion, cylindrical portions are located in mounting hole,
Annular plate portion is located between 2 outer surface of 9 inner surface of mounting plate and wheel shaft, avoids mounting plate 9 from directly contacting with wheel shaft 2, avoids two
Person is worn simultaneously, increases service life；The male end of rotation axis 3 offers radial pin hole 25, and pin hole 25 is for installation pair
The split pin that nut 1 is limited, split pin guarantee stable connection for preventing nut 1 from loosening；Outside rotation axis 3
The end of thread is set with gasket 26, and gasket 26 is between nut 1 and mounting plate 9.
Further, rotation axis 3 offers axial lubrication hole 13, and axial lubrication hole 13 passes through limited step 1 and edge turns
Moving axis 3 is axially extending, and the inlet of axial lubrication hole 13 is threaded with pump nozzle 14, and rotation axis 3 corresponds to lower bushing 10
Position offers radial lubrication holes 15, and 15 one end of radial lubrication holes is connected to axial lubrication hole 13, in another end and lower bushing 10
Surface region connection can inject lubricant grease by pump nozzle 14, and lubricant grease enters axial lubrication hole 13, and then enters radial
Lubrication hole 15 is eventually entered into and is lubricated between lower 10 inner surface of bushing and 3 outer surface of rotation axis.
Embodiment 3
As shown in Figures 4 and 5, on the basis of embodiment 2, swinging axle 4 includes major diameter section and path section, major diameter section and path
There is limited step 2 16, the outer dimension of limited step 2 16 is greater than limit bore dia, i.e. limited step 2 16 weeks between section
To each width be all larger than the diameter of limit hole, limited step 2 16 is between mounting plate 9 and trigger board 5；Path section passes through
The outer end of poke hole, path section has external screw thread and is threaded with nut 2 17, and 5 bottom of trigger board has rotating pin 18,
Corresponding on mounting plate 9 to offer rotation hole, rotating pin 18 is installed in rotation hole and can rotate in rotation hole, nut 2 17
Positioned at 5 outside of trigger board, 2 17 pairs of trigger boards 5 of nut form limit；The outer end of major diameter section has external screw thread and is threaded with
Nut 3 19.
Specifically, the outer diameter of path section, which is less than, stirs bore dia, stirs gap 8 and is formed in path section outer surface and poke hole
Between inner surface；The male end of path section offers radial pin hole 25, and pin hole 25 limits nut 2 17 for installing
The split pin of position, split pin guarantee stable connection for preventing nut 2 17 from loosening；The male end of path section is set with gasket
26, gasket 26 is between nut 2 17 and trigger board 5；The male end of major diameter section offers radial pin hole 25, pin hole 25
For installing the split pin limited to nut 3 19, split pin guarantees stable connection for preventing nut 3 19 from loosening；Greatly
The male end of diameter section is set with gasket 26, and gasket 26 is between nut 3 19 and mounting plate 9.
Further, upper bushing 20 is fixedly installed in limit hole, major diameter section is installed in upper bushing 20, swings gap 7
Major diameter section outer surface is formed between 20 inner surface of upper bushing.
Specifically, upper bushing 20 is step-like, including cylindrical portions and annular plate portion, cylindrical portions are located in limit hole,
Annular plate portion is located between 2 outer surface of 9 inner surface of mounting plate and wheel shaft, avoids mounting plate 9 from directly contacting with wheel shaft 2, avoids two
Person is worn simultaneously, increases service life.
After unmanned plane landing, tire 27 contact to earth, to one upward power of shaft of tire 27, which acts on wheel on ground
On axis 2, and then a clockwise torque can be generated at rotation axis 3, so that wheel shaft 2 can be by rotation axis 3 in mounting plate 9
It inside rotates clockwise, rotation axis 3 drives 4 clockwise oscillation of swinging axle of upper part, and the path section of swinging axle 4 stirs trigger board 5
Bottom so that trigger board 5 rotates around it pin shaft 18 and rotates counterclockwise, and overcomes the pulling force of reset tension spring 23, so that triggering
The trigger unit 24 at 5 top of plate contacts trigger wheel load switch 1, and wheel load switch 1 is connected.
After unmanned plane takes off, tire 27 is liftoff, under the action of 27 gravity of tire, which is acted on wheel shaft 2, in turn
A torque counterclockwise can be generated at rotation axis 3, so that wheel shaft 2 can be turned counterclockwise in mounting plate 9 by rotation axis 3
Dynamic, rotation axis 3 drives 4 counter-clockwise swing of swinging axle of upper part, and the path section of swinging axle 4 stirs 5 bottom of trigger board, so that touching
Hair plate 5 rotates around it pin shaft 18 and rotates clockwise, so that the trigger unit 24 at 5 top of trigger board is detached from wheel load switch 1, wheel load
Switch 1 disconnects, meanwhile, the pulling force of reset tension spring 23 also can be done directly on upper connecting base 22, actively pull 5 top of trigger board
Trigger unit 24 is detached from wheel load switch 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (8)
1. a kind of trigger mechanism of unmanned plane undercarriage wheel load switch, it is characterised in that: including wheel shaft (2), rotation axis (3), pendulum
Moving axis (4) and trigger board (5), wheel load switch (1) are fixedly installed on the support arm (6) of the undercarriage, the wheel shaft (2)
It is rotatably fixed and is connect with the support arm (6) bottom by the rotation axis (3), the trigger board (5) is fixedly installed in institute
It states on support arm (6) and can be rotated relative to the support arm (6), the swinging axle (4) is installed on the wheel shaft (2) top, described
Wheel shaft (2) can drive the swinging axle (4) to swing；
There is limit hole, the swinging axle (4) passes through the limit hole, and the swinging axle (4) is located at described on the support arm (6)
The outer diameter of limit hole inner part is less than the diameter of the limit hole, forms swing gap (7) therebetween；
Trigger board (5) bottom has poke hole, and the swinging axle (4) passes through the poke hole, and the swinging axle (4) is located at
The outer diameter of the poke hole inner part is less than the diameter of the poke hole, is formed stir gap (8) therebetween；
The rotation of the wheel shaft (2) can drive the trigger board (5) to rotate, and then the trigger board (5) top may make to trigger
The wheel load switch (1).
2. a kind of trigger mechanism of unmanned plane undercarriage wheel load switch according to claim 1, it is characterised in that: the branch
Arm (6) bottom has two pieces of mounting plates (9), and the bottom of two mounting plates (9) offers mounting hole, and wheel shaft (2) top is located at
Between two mounting plates (9), by the rotation axis (3) pass through the wheel shaft (2) and the mounting hole realize the wheel shaft (2) and
Connection is rotatably fixed between the support arm (6)；The top of two mounting plates (9) offers the limit hole, the swing
The both ends of axis (4) are corresponding across two limit holes, and the one end of the swinging axle (4) passes through the poke hole.
3. a kind of trigger mechanism of unmanned plane undercarriage wheel load switch according to claim 2, it is characterised in that: the peace
Dress is fixedly installed with lower bushing (10) in hole, and the rotation axis (3) is installed in the lower bushing (10) and is adapted, described
Rotation axis (3) can be rotated relative to the lower bushing (10)；Described rotation axis (3) one end has limited step one (11), described
The outer dimension of limited step one (11) is greater than the installation bore dia, and the outer surface of rotation axis (3) another end has outer spiral shell
Line and it is threaded with nut one (12).
4. a kind of trigger mechanism of unmanned plane undercarriage wheel load switch according to claim 3, it is characterised in that: described turn
Moving axis (3) offers axial lubrication hole (13), and the axial direction lubrication hole (13) passes through the limited step one (11) and along described
Rotation axis (3) is axially extending, and the inlet of the axial direction lubrication hole (13) is threaded with pump nozzle (14), the rotation axis
(3) offered radial lubrication holes (15) corresponding to the position of the lower bushing (10), described radial lubrication holes (15) one end with
The axial direction lubrication hole (13) is connected to, and another end is connected to lower bushing (10) inner surface area.
5. according to a kind of described in any item trigger mechanisms of unmanned plane undercarriage wheel load switch of claim 2 to 4, feature exists
In: the swinging axle (4) includes major diameter section and path section, has limited step two between the major diameter section and the path section
(16), the outer dimension of the limited step two (16) is greater than the limit bore dia, and the limited step two (16) is located at institute
It states between mounting plate (9) and the trigger board (5)；The path section passes through the poke hole, and the outer end of the path section has
External screw thread and it is threaded with nut two (17), trigger board (5) bottom has rotating pin (18), the mounting plate (9)
Upper correspondence offers rotation hole, and the rotating pin (18) is installed in the rotation hole and can rotate in the rotation hole,
The nut two (17) forms the trigger board (5) and limits；The outer end of the major diameter section has external screw thread and is threaded with
Nut three (19).
6. a kind of trigger mechanism of unmanned plane undercarriage wheel load switch according to claim 5, it is characterised in that: the limit
Position is fixedly installed with upper bushing (20) in hole, and the major diameter section is installed in the upper bushing (20), swing gap (7) shape
Major diameter section outer surface described in Cheng Yu is between the upper bushing (20) inner surface.
7. a kind of trigger mechanism of unmanned plane undercarriage wheel load switch according to claim 1, it is characterised in that: the branch
Arm (6) has lower connecting base (21), and the trigger board (5) has upper connecting base (22), passes through reset tension spring between two attachment bases
(23) it connects.
8. a kind of trigger mechanism of unmanned plane undercarriage wheel load switch according to claim 1, it is characterised in that: the touching
Sending out plate (5) top has trigger unit (24), and the trigger unit (24) with the wheel load switch (1) for contacting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821996534.4U CN209366448U (en) | 2018-11-30 | 2018-11-30 | A kind of trigger mechanism of unmanned plane undercarriage wheel load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821996534.4U CN209366448U (en) | 2018-11-30 | 2018-11-30 | A kind of trigger mechanism of unmanned plane undercarriage wheel load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209366448U true CN209366448U (en) | 2019-09-10 |
Family
ID=67834825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821996534.4U Withdrawn - After Issue CN209366448U (en) | 2018-11-30 | 2018-11-30 | A kind of trigger mechanism of unmanned plane undercarriage wheel load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209366448U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533299A (en) * | 2018-11-30 | 2019-03-29 | 四川腾盾科技有限公司 | A kind of trigger mechanism of unmanned plane undercarriage wheel load switch |
-
2018
- 2018-11-30 CN CN201821996534.4U patent/CN209366448U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109533299A (en) * | 2018-11-30 | 2019-03-29 | 四川腾盾科技有限公司 | A kind of trigger mechanism of unmanned plane undercarriage wheel load switch |
| CN109533299B (en) * | 2018-11-30 | 2024-03-22 | 四川腾盾科技有限公司 | Trigger mechanism of unmanned aerial vehicle undercarriage wheel load switch |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190910 Effective date of abandoning: 20240322 |