CN209634713U - Horn draw off gear and multi-rotor unmanned aerial vehicle - Google Patents
Horn draw off gear and multi-rotor unmanned aerial vehicle Download PDFInfo
- Publication number
- CN209634713U CN209634713U CN201821961687.5U CN201821961687U CN209634713U CN 209634713 U CN209634713 U CN 209634713U CN 201821961687 U CN201821961687 U CN 201821961687U CN 209634713 U CN209634713 U CN 209634713U
- Authority
- CN
- China
- Prior art keywords
- gear
- horn
- fuselage
- draw
- driving gear
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of horn draw off gear and multi-rotor unmanned aerial vehicle, multiple horns for controlling multi-rotor unmanned aerial vehicle are opened and are folded, the horn draw off gear includes the power plant module for connecting the transmission mechanism and the driving transmission mechanism of the horn, the transmission mechanism includes transmission belt and driving gear set, the driving gear set includes the driven gear for being fixedly connected with the horn, and the transmission belt drives the driven gear rotation.The folding and opening of multiple horns are realized using the transmission connection of transmission belt and horn.
Description
Technical field
The utility model relates to vehicle technology fields, and in particular to a kind of horn draw off gear and more rotors nobody
Machine.
Background technique
With multi-rotor unmanned aerial vehicle widening with field, transport and carrying problem are increasingly prominent, exist to reduce unmanned plane
The risk and the portable purpose of realization being damaged in transportational process, oneself has several schemes at present, such as manual umbrella folding
Unmanned plane, though horn be in the sagging folding of umbrella, but need manually first unclamp buckle bend still further below, and cannot a folding it is complete
At, for another example it is rectangle entirety to reduce volume horn inflection to fuselage, but various schemes all need to manually control, it is more numb
It is tired, and mobility is poor, in case of emergency horn is possible to open in time.
Therefore, it is necessary to a kind of horn draw off gear be provided, to solve the above problems.
Utility model content
The main purpose of the utility model is to provide a kind of simple structure, rapid reaction, easy to operate horn folding and unfolding dress
It sets.
To achieve the above object, the utility model proposes a kind of horn draw off gear, for controlling multi-rotor unmanned aerial vehicle
Multiple horns open and fold, the horn draw off gear includes the transmission mechanism and the driving biography for connecting the horn
The power plant module of motivation structure, the transmission mechanism include transmission belt and driving gear set, and the driving gear set includes fixed connects
The driven gear of the horn is connect, the transmission belt drives the driven gear rotation.
Preferably, the driving gear set further includes the driving gear of the transmission belt of being sequentially connected, the driving gear
The transmission belt is driven to rotate.
Preferably, the driving gear is fixedly connected with the horn.
Preferably, the power plant module includes steering engine, and the driving gear set includes being set to the steering engine output shaft
First gear, and the second gear being sequentially connected respectively with the first gear and driving gear.
Preferably, the transmission belt system gear-type transmission band, it is annular in shape, it is sheathed on the driven gear and the active
The periphery of gear and it is engaged with connection respectively.
Preferably, on gravity direction, the horn is equipped with opposite upper arm and lower arm, the driven gear and driving tooth
The upper and lower ends of wheel are fixedly connected with the upper arm, lower arm respectively, and the transmission belt carries over the driven gear and the active
The periphery of gear is passed through between the upper arm and lower arm.
Preferably, the multi-rotor unmanned aerial vehicle includes fuselage and fuselage inner cavity, and the fuselage includes upper fuselage and lower machine
Body, the fuselage inner cavity are enclosed and are set by the upper fuselage, lower fuselage and the transmission belt, and the transmission belt is set to described
Between upper fuselage and lower fuselage.
Preferably, the power plant module is all set in intracavitary in the fuselage with the driving gear set, and the horn is received
Putting device further includes the gag lever post being set in the rotating path of the horn, and the gag lever post is set to the fuselage inner cavity
Outside, the upper and lower ends of the gag lever post are respectively fixedly connected with the upper fuselage and lower fuselage.
Preferably, the horn draw off gear is equipped with the first fixing piece, by first fixing piece, the upper fuselage,
Lower fuselage is fixedly connected with the upper end of the driving gear and/or the driven gear, lower end respectively.
In addition, the utility model also provides a kind of multi-rotor unmanned aerial vehicle, the multi-rotor unmanned aerial vehicle includes that above-mentioned horn is received
Put device.
The folding and opening of multiple horns are realized using the transmission connection of transmission belt and horn.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the decomposition diagram of the horn draw off gear of the utility model；
Fig. 2 is the part assembling schematic diagram of horn draw off gear shown in Fig. 1；
Fig. 3 is the structural schematic diagram of horn draw off gear opening state shown in Fig. 2；
Fig. 4 is the structural schematic diagram of horn draw off gear folded state shown in Fig. 3.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.In the description of the present invention,
The meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.
The utility model provides multi-rotor unmanned aerial vehicle, including multiple horns 20, motor 60 and the spiral shell being mounted on horn 20
Revolve paddle (not shown) and horn draw off gear.Wherein, horn draw off gear rapid reaction, easy to operate, greatly reduction body
Product substitutes traditional manual operation, realizes the automation that manipulation is taken down the exhibits.It is practical new to this in the following with reference to the drawings and specific embodiments
Type is described in detail.
It please join shown in Fig. 1 to Fig. 4, horn draw off gear includes power plant module and the transmission mechanism for connecting horn 20.It is dynamic
Power module gives transmission mechanism input power, and transmission mechanism promotes horn 20 to open or fold.
In an embodiment provided by the utility model, transmission mechanism uses gear-type transmission, including transmission belt 30 and biography
Moving gear group 40, transmission belt use gear type, have the characteristics that be driven accurate and large carrying capacity, certainly in other embodiments
In, belt-type also can be used in transmission belt.
Fig. 4 system horn draw off gear is in the top view of folded state, in conjunction with Fig. 3 and Fig. 4 it is found that biography in the present embodiment
When dynamic band 30 is driven counterclockwise, horn 20 rotates counterclockwise to folding position, when transmission belt 30 is driven clockwise, 20 up time of horn
Needle is rotated to open position.Certainly in other embodiments, horn 20 can be set to rotate counterclockwise to open position.
Specifically, please join shown in Fig. 1 and Fig. 2,30 integral type of transmission belt setting, driving gear set 40 includes transmitting power to
The driving gear 41 of transmission belt 30 and the driven gear 42 that power is obtained from transmission belt 30, the tooth of transmission belt 30 respectively with driving tooth
Wheel 41, the gear teeth of driven gear 42 are identical to engage connection, and by transmission belt 30, driving gear 41 sends power to driven tooth
Wheel 42.In the present embodiment, driving gear 41 and driven gear 42 are connected with horn 20, are achieved in multiple horns 20 simultaneously
It opens or folds simultaneously.Certainly in other embodiments, driving gear 41 can be arranged independently of horn 20, in that case,
Each horn 20 is connected at least one driven gear 42, and after driving gear 41 sends power to transmission belt 30, transmission belt 30 is driven
The dynamic horn 20 for being fixed with driven gear 42 rotates.In the present embodiment, driving gear 41 is arranged one, certainly in other implementations
In example, driving gear 41 can be set into multiple.
In the present embodiment, driving gear set 40 further includes first gear 43 and second gear 44, and 43 system of first gear sets
It is placed in power plant module, second gear 44 is engaged with first gear 43, driving gear 41 respectively, so that power from power module be passed
It is handed to driving gear 41.Since driving gear 41 is engaged with transmission belt 30, above-mentioned power is sent to by driving gear 41
Dynamic band 30.Simultaneously as transmission belt 30 is engaged with driven gear 42, therefore, above-mentioned power is sent to driven tooth by transmission belt 30
Wheel 42.
It please join shown in Fig. 1 and Fig. 2, it is preferable that transmission belt 30 is annular in shape, is sheathed on driving gear 41 and driven gear 42
Periphery engages with the formation of driven gear 42 with driving gear 41 connect respectively.That is, driving gear 41 is respectively provided with driven gear 42
Within transmission belt 30.In the present embodiment, tooth only is set in the inner surface of transmission belt 30, certainly in other embodiments, passes
Tooth can be set in the surfaces externally and internally of dynamic band 30, at this point, driven gear 42 is set within transmission belt 30, driving gear 41 is arranged
Other than transmission belt 30.
In the present embodiment, power plant module includes steering engine 10, and first gear 43 is set to the output shaft of steering engine 10.Driving tooth
Wheel 41, driven gear 42 and second gear 44 are equipped with fixing axle to fixation.Wherein, second gear 44 is using fixing axle as axis
Rotation.
The fixing axle and horn 20 of driving gear 41 are connected, and driving gear 41 and transmission belt 30 are sequentially connected.Specifically, In
In the horizontal direction in vertical gravity direction, there is horn 20 opposite end to install motor 60 and driving gear 41 respectively.In gravity
On direction, horn 20 is equipped with opposite upper arm 21 and lower arm 22, the upper and lower ends of 41 fixing axle of driving gear respectively with upper arm 21,
Lower arm 22 is fixedly connected.Transmission belt 30 carries over the periphery of driving gear 41, passes through between upper arm 21 and lower arm 22.
Driven gear 42 and the relationship of horn 20, transmission belt 30 are similar with driving gear 41, and therefore not to repeat here.
It please join shown in Fig. 1 and Fig. 2, horn draw off gear further includes gag lever post 80, and gag lever post 80 is used to realize horn folding and unfolding
Limit of the device in opening state.In the present embodiment, gag lever post 80 is arranged in the rotating path of horn 20.
Multi-rotor unmanned aerial vehicle includes fuselage 50 and fuselage inner cavity 70, and fuselage 50 includes upper fuselage 51 and lower fuselage 52.It borrows
The first fixing piece 91 is helped, upper fuselage 51, lower fuselage 52 are fixed with the upper end of 41/ driven gear 42 of driving gear, lower end respectively to be connected
It connects.Certainly, in other embodiments, upper fuselage 51, lower fuselage 52 can be directly fixed on horn 20.
In the present embodiment, fuselage inner cavity 70 is enclosed and is set by upper fuselage 51, lower fuselage 52 and transmission belt 30, specifically
Ground, transmission belt 30 are set between fuselage 51 and lower fuselage 52, and are arranged along the edge of upper fuselage 51 and lower fuselage 52, beauty
Aspect simplifies airframe structure design, so that multi-rotor unmanned aerial vehicle is simple and compact for structure, instant packed storage transport.In
In the present embodiment, power plant module, driving gear set 40 is all set in fuselage inner cavity 70.Gag lever post 80 is in the shape of a rod, is set to machine
Outside body inner cavity 70, upper and lower ends are respectively fixedly connected with fuselage 51 and lower fuselage 52.
Please join shown in Fig. 1, by the second fixing piece 92, the upper and lower ends of gag lever post 80 respectively with upper fuselage 51, lower fuselage
52 are fixedly connected.By third fixing piece 93, the upper and lower ends of 44 fixing axle of second gear respectively with upper fuselage 51, lower fuselage 52
It is fixedly connected.By the 4th fixing piece 94, the lower end of steering engine 10 is fixedly connected with lower fuselage 52.
Multi-rotor unmanned aerial vehicle system quadrotor in the present embodiment, tool is there are four horn 20 and one-to-one four with its
Gag lever post 80.Wherein, a horn 20 is fixedly connected with a driving gear 41, remaining three horns 20 be connected one by one three it is driven
Gear 42, driving gear 41 engage a second gear 44, and a second gear 44 is by being set to steering engine 10
The first gear 43 of output shaft obtains power.
Horn draw off gear in the present embodiment further includes controller (not shown) to realize the automatic of horn draw off gear
Change running.Steering engine 10 connects the controller, by the controller, it can be achieved that remote control steering engine 10 rotates, realizes horn 20
It opens and folds.Specifically, when being rotated clockwise by controller control steering engine 10, first gear 43 drives second gear 44
It rotates counterclockwise, second gear 44 drives driving gear 41 to rotate clockwise, and driving gear 41 drives transmission belt 30 to turn counterclockwise
Dynamic, transmission belt 30 drives driven gear 42 to rotate clockwise, and finally, horn 20 is clockwise to gag lever post 80, to realize
The opening of horn 20.When being rotated counterclockwise by controller control steering engine 10, first gear 43 drives 44 up time of second gear
Needle rotation, second gear 44 drive driving gear 41 to rotate counterclockwise, and driving gear 41 drives transmission belt 30 to rotate clockwise, and pass
Dynamic band 30 drives driven gear 42 to rotate counterclockwise, and finally, horn 20 rotates counterclockwise, wherein shown in ginseng Fig. 2, when being equipped with
When the horn 20 of driving gear 41 turns to the position with the interference of the fixing axle of second gear 44, controller, which controls steering engine 10, to be stopped
Rotation, to realize the folding of horn 20.
Horn draw off gear assembling steps in the present embodiment are as follows:
1, transmission belt 30 is sheathed on driving gear 41 and the periphery of driven gear 42, meanwhile, horn 20 respectively with driving gear
41, driven gear 42 is fixedly connected；
2, using four the first fixing pieces 91, it is driven to be each passed through the driving gear 41/ that lower fuselage 52 is screwed onto positioned at quadrangle
The fixing axle of gear 42, is tightened fixation；
3, using a third fixing piece 93, lower fuselage 52 is passed through, it is corresponding that second gear 44 is assembled into lower fuselage 52
Fixation is tightened in position；
4, using three the 4th fixing pieces 94, it is each passed through lower fuselage 52, it is corresponding that steering engine 10 is assembled into lower fuselage 52
Fixation is tightened in position；
5, using four the second fixing pieces 92, it is each passed through lower fuselage 52, four gag lever posts 80 are assembled into lower fuselage 52
Corresponding position, is tightened fixation, at this point, obtaining assembled state as shown in Figure 2；
6, upper fuselage 51 is assembled into the corresponding position of quadrotor drone, is each passed through using four the first fixing pieces 91
Upper fuselage 51 is screwed onto the fixing axle of 41/ driven gear 42 of driving gear positioned at quadrangle, is tightened fixation；
7, using four the second fixing pieces 92, it is each passed through fuselage 51, is screwed onto four gag lever posts 80 positioned at quadrangle, it will
It tightens fixation；
8, using a third fixing piece 93, upper fuselage 51 is passed through, the second gear 44 being screwed on lower fuselage 52 is corresponding
Position is tightened fixation, is completed at this time, and assembled state as shown in Figure 4 is obtained.
A steering engine 10 and a transmission belt 30 is arranged in horn draw off gear in the present embodiment, and four horns can be realized
It opens and folds while 20, it is rapid reaction, easy to operate, and occupy little space, significantly reduce multi-rotor unmanned aerial vehicle
Volume.Realize that the horn draw off gear manipulates the automation control that horn 20 is taken down the exhibits by the way that controller is arranged.In addition, due to transmission
The components such as gear set 40 are set within the space that transmission belt 30 surrounds, and are conducive to aesthetic appeal, and packaging is transported and stored,
Meanwhile enormously simplifying the structure of multi-rotor unmanned aerial vehicle fuselage 50.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Under the design of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or directly/
Other related technical areas are used in indirectly to be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of horn draw off gear, multiple horns for controlling multi-rotor unmanned aerial vehicle are opened and are folded, which is characterized in that institute
Stating horn draw off gear includes the power plant module for connecting the transmission mechanism and the driving transmission mechanism of the horn, the biography
Motivation structure includes transmission belt and driving gear set, and the driving gear set includes the driven gear for being fixedly connected with the horn, institute
It states transmission belt and drives the driven gear rotation.
2. horn draw off gear as described in claim 1, which is characterized in that the driving gear set further includes transmission connection institute
The driving gear of transmission belt is stated, the driving gear drives the transmission belt rotation.
3. horn draw off gear as claimed in claim 2, which is characterized in that the driving gear and the fixed company of the horn
It connects.
4. horn draw off gear as claimed in claim 3, which is characterized in that the power plant module includes steering engine, the transmission
Gear set includes the first gear for being set to the steering engine output shaft, and is driven respectively with the first gear and driving gear
The second gear of connection.
5. horn draw off gear as claimed in claim 3, which is characterized in that the transmission belt system gear-type transmission band is in
Ring-type, is sheathed on the driven gear and the periphery of the driving gear and is engaged with respectively and connect.
6. horn draw off gear as claimed in claim 5, which is characterized in that on gravity direction, the horn is equipped with opposite
Upper arm and lower arm, the driven gear is fixedly connected with the upper arm, lower arm respectively with the upper and lower ends of driving gear, described
Transmission belt carries over the periphery of the driven gear and the driving gear, passes through between the upper arm and lower arm.
7. horn draw off gear as claimed in claim 6, which is characterized in that the multi-rotor unmanned aerial vehicle includes fuselage and machine
Body inner cavity, the fuselage include upper fuselage and lower fuselage, and the fuselage inner cavity is by the upper fuselage, lower fuselage and the transmission
Band, which encloses, to be set, and the transmission belt is set between the upper fuselage and lower fuselage.
8. horn draw off gear as claimed in claim 7, which is characterized in that the power plant module and the driving gear set are equal
It is set to intracavitary in the fuselage, the horn draw off gear further includes the limit being set in the rotating path of the horn
Bar, the gag lever post are set to outside the fuselage inner cavity, and the upper and lower ends of the gag lever post are respectively fixedly connected with the upper fuselage
With lower fuselage.
9. horn draw off gear as claimed in claim 8, which is characterized in that it is fixed that the horn draw off gear is equipped with first
Part, by first fixing piece, the upper fuselage, lower fuselage respectively with the driving gear and/or the driven gear
Upper end, lower end are fixedly connected.
10. a kind of multi-rotor unmanned aerial vehicle, which is characterized in that the multi-rotor unmanned aerial vehicle includes such as any one of claim 1-9
The horn draw off gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821961687.5U CN209634713U (en) | 2018-11-23 | 2018-11-23 | Horn draw off gear and multi-rotor unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821961687.5U CN209634713U (en) | 2018-11-23 | 2018-11-23 | Horn draw off gear and multi-rotor unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209634713U true CN209634713U (en) | 2019-11-15 |
Family
ID=68473507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821961687.5U Expired - Fee Related CN209634713U (en) | 2018-11-23 | 2018-11-23 | Horn draw off gear and multi-rotor unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209634713U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441214A (en) * | 2020-11-19 | 2021-03-05 | 航天时代飞鸿技术有限公司 | Automatic retractable unmanned aerial vehicle horn subassembly and unmanned aerial vehicle thereof |
| CN113009926A (en) * | 2021-02-01 | 2021-06-22 | 湖南汽车工程职业学院 | Integrated test metering system of unmanned aerial vehicle multisensor |
-
2018
- 2018-11-23 CN CN201821961687.5U patent/CN209634713U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441214A (en) * | 2020-11-19 | 2021-03-05 | 航天时代飞鸿技术有限公司 | Automatic retractable unmanned aerial vehicle horn subassembly and unmanned aerial vehicle thereof |
| CN113009926A (en) * | 2021-02-01 | 2021-06-22 | 湖南汽车工程职业学院 | Integrated test metering system of unmanned aerial vehicle multisensor |
| CN113009926B (en) * | 2021-02-01 | 2023-08-11 | 湖南汽车工程职业学院 | Unmanned aerial vehicle multisensor's integration test measurement system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209634713U (en) | Horn draw off gear and multi-rotor unmanned aerial vehicle | |
| CN105035318B (en) | A kind of multi-rotor unmanned aerial vehicle | |
| CN101773736A (en) | Two-rotor model helicopter control system | |
| CN103402682A (en) | Cutting tool | |
| CN204546556U (en) | The parallel steering wheel of double freedom based on differential gear train | |
| CN204076247U (en) | A kind of frame for movement of crops carrying | |
| CN108177774A (en) | A kind of folding horn and more rotor unmanned aircrafts | |
| CN205989811U (en) | A kind of unmanned plane folding wing | |
| CN106240800A (en) | A kind of unmanned plane folding wing | |
| CN206968381U (en) | A kind of hybrid power automobile power assembly | |
| CN108382629A (en) | The enlacement packaging method of logistics transportation part | |
| CN107489737A (en) | A kind of speed difference transmission mechanism and differential speed reducer | |
| CN208018898U (en) | A kind of Three Degree Of Freedom shaking platform | |
| CN110788846A (en) | Energy-saving industrial robot and time-sharing control method of driving unit of energy-saving industrial robot | |
| CN113060272B (en) | Unmanned aerial vehicle horn beta structure | |
| CN206234337U (en) | A kind of adjustable harmonic speed reducer | |
| CN204564020U (en) | Omnibearing movable high efficient mixer | |
| CN107128483A (en) | Four rotor wing unmanned aerial vehicles and its transmission gear shift structure of a kind of power Redundancy Design | |
| US20110281683A1 (en) | Model helicopter with epicyclic gearing based reduction gear mechanism | |
| CN201890384U (en) | Waffle laminator | |
| CN109250133A (en) | A kind of multi-rotor aerocraft using planetary gear switching single-blade and coaxial double-oar | |
| CN206398028U (en) | Lead screw transmission mechanism, workbench module and picture pick-up device | |
| CN207917154U (en) | A kind of folding horn and more rotor unmanned aircrafts | |
| CN105774042A (en) | Packing carton forming machine | |
| CN207970986U (en) | A kind of Portable hand formula centrifuge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191115 Termination date: 20201123 |