CN204078065U - A kind of unmanned airplane empennage foldable structure - Google Patents
A kind of unmanned airplane empennage foldable structure Download PDFInfo
- Publication number
- CN204078065U CN204078065U CN201420531398.7U CN201420531398U CN204078065U CN 204078065 U CN204078065 U CN 204078065U CN 201420531398 U CN201420531398 U CN 201420531398U CN 204078065 U CN204078065 U CN 204078065U
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- rotating shaft
- torsion spring
- folded surface
- aerofoil
- circular hole
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model relates to unmanned airplane empennage field, is specifically related to a kind of unmanned airplane empennage foldable structure.Comprise fixing aerofoil, folded surface, rotating shaft, left, in, right three torsion spring bearings and a left side, right two groups of torsion springs, rotating shaft circular hole is offered at the rotary connection position of fixing aerofoil and folded surface, rotating shaft is hollow cylindrical, rotating shaft fastens the rotating shaft circular hole determining aerofoil and folded surface, rotating shaft is fixedly mounted on the rotating shaft circular hole of folded surface by screw, left, right two torsion spring bearings are arranged in the rotating shaft circular hole of fixing aerofoil by screw, and lay respectively at the both sides of rotating shaft, middle torsion spring bearing is arranged in the hollow cylinder of rotating shaft by screw, left torsion spring is arranged on a left side, between middle torsion spring bearing, right torsion spring is arranged on the right side, between middle torsion spring bearing.The utility model makes fold mechanism be in aerofoil inside, ensures good aerodynamic configuration, after empennage launches to put in place, on position when folded surface is locked in normal flight effectively.
Description
Technical field
The utility model relates to unmanned airplane empennage field, relates to a kind of unmanned airplane empennage foldable structure specifically.
Background technology
Usual unmanned plane has three empennages, and they are that chevron pointing is distributed in outside unmanned plane afterbody.If this kind of unmanned plane adopts firing box or power valve to launch, in order to make unmanned function fill feedway, these empennages just require to fold.Folding mode is that empennage is swung to bomb body, and when unmanned plane leaves feedway, empennage Automatic-expanding is to normal position.It is exactly reduce the space of unmanned plane shared by storage and transport in addition on the one hand that the effect of folding fin also has.The folding fin of use is in the past that wingstub has a pivot device, and folded section can be moved relative to section, and the general naked mode be exposed on the external of spring that adopts drives, and this mode will affect aerodynamic configuration, simultaneously also not too attractive in appearance.Certain type unmanned plane adopts canister launch, in order to reduce the longitudinal size of aircraft, saving storing and the emission space of aircraft, therefore needing to fold empennage, carry out the design of empennage fold mechanism.
Utility model content
The purpose of this utility model is to solve the problem, and provides a kind of unmanned airplane empennage foldable structure.
In order to realize the purpose of this utility model, the technical solution adopted in the utility model is:
A kind of unmanned airplane empennage foldable structure, comprise fixing aerofoil, folded surface, rotating shaft, left, in, right three torsion spring bearings and a left side, right two groups of torsion springs, rotating shaft circular hole is offered at the rotary connection position of fixing aerofoil and folded surface, rotating shaft is hollow cylindrical, rotating shaft fastens the rotating shaft circular hole determining aerofoil and folded surface, rotating shaft is fixedly mounted on the rotating shaft circular hole of folded surface by screw, left, right two torsion spring bearings are arranged in the rotating shaft circular hole of fixing aerofoil by screw, and lay respectively at the both sides of rotating shaft, middle torsion spring bearing is arranged in the hollow cylinder of rotating shaft by screw, left torsion spring is arranged on a left side, between middle torsion spring bearing, right torsion spring is arranged on the right side, between middle torsion spring bearing.
Also comprise locking pin, the some lock holes passed for locking pin are set at the rotary connection position of fixing aerofoil and folded surface.
In the complete deployed condition of folded surface, the position fixing aerofoil corresponding with folded surface respectively arranges the consistent stop surface of shape.
The beneficial effects of the utility model are: make fold mechanism be in aerofoil inside, ensure good aerodynamic configuration, after empennage launches to put in place, on position when folded surface is locked in normal flight effectively.
Accompanying drawing explanation
Fig. 1 is that after installing the utility model, folding fin is folding and schematic diagram under two states of expansion,
Fig. 2 is the utility model structural representation.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further illustrated:
Embodiment: see Fig. 1, Fig. 2.
A kind of unmanned airplane empennage foldable structure, comprise fixing aerofoil 2, folded surface 1, rotating shaft 4, left, in, right three torsion spring bearings 5, 6, 7 and left, right two groups of torsion springs 9, 10, rotating shaft circular hole is offered at the rotary connection position of fixing aerofoil 2 and folded surface 1, rotating shaft 4 is hollow cylindrical, rotating shaft 4 fastens the rotating shaft circular hole determining aerofoil 2 and folded surface 1, rotating shaft 4 is fixedly mounted on the rotating shaft circular hole of folded surface 1 by screw, left, right two torsion spring bearings 5, 7 are arranged in the rotating shaft circular hole of fixing aerofoil 2 by screw 8, and lay respectively at the both sides of rotating shaft 4, middle torsion spring bearing 6 is arranged on by screw 8 in the hollow cylinder of rotating shaft 4, left torsion spring 9 is arranged on a left side, middle torsion spring bearing 5, between 6, right torsion spring 10 is arranged on the right side, middle torsion spring bearing 7, between 6.
Also comprise locking pin, the some lock holes 11 passed for locking pin are set at the rotary connection position of fixing aerofoil and folded surface.
In the complete deployed condition of folded surface, the position fixing aerofoil 2 corresponding with folded surface 1 respectively arranges the consistent stop surface of shape 3.
Specification: unmanned plane is in firing box, by manually folded surface being folded into 90 °, by firing box pressure rail, folded surface is retrained, after launching outlet, folded surface is under the driving of torsion spring power propulsion source, rotate around the shaft, undertaken spacing by two stop surfaces of fixing aerofoil and folded surface, after folded surface is deployed into normal position, catch gear is inserted into locking pin in lock hole and is locked by folded surface, ensure that, under Aerodynamic force action, folded surface can remain at normal expanded position.
What embodiment of the present utility model was announced is preferred embodiment; but be not limited thereto; those of ordinary skill in the art; very easily according to above-described embodiment; understand spirit of the present utility model; and make different amplifications and change, but only otherwise depart from spirit of the present utility model, all in protection domain of the present utility model.
Claims (3)
1. a unmanned airplane empennage foldable structure, comprise fixing aerofoil, folded surface, rotating shaft, left, in, right three torsion spring bearings and a left side, right two groups of torsion springs, it is characterized in that: offer rotating shaft circular hole at the rotary connection position of fixing aerofoil and folded surface, rotating shaft is hollow cylindrical, rotating shaft fastens the rotating shaft circular hole determining aerofoil and folded surface, rotating shaft is fixedly mounted on the rotating shaft circular hole of folded surface by screw, left, right two torsion spring bearings are arranged in the rotating shaft circular hole of fixing aerofoil by screw, and lay respectively at the both sides of rotating shaft, middle torsion spring bearing is arranged in the hollow cylinder of rotating shaft by screw, left torsion spring is arranged on a left side, between middle torsion spring bearing, right torsion spring is arranged on the right side, between middle torsion spring bearing.
2. a kind of unmanned airplane empennage foldable structure according to claim 1, is characterized in that: also comprise locking pin, arranges at the rotary connection position of fixing aerofoil and folded surface the some lock holes passed for locking pin.
3. a kind of unmanned airplane empennage foldable structure according to claim 2, is characterized in that: in the complete deployed condition of folded surface, and the position fixing aerofoil corresponding with folded surface respectively arranges the consistent stop surface of shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531398.7U CN204078065U (en) | 2014-09-17 | 2014-09-17 | A kind of unmanned airplane empennage foldable structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420531398.7U CN204078065U (en) | 2014-09-17 | 2014-09-17 | A kind of unmanned airplane empennage foldable structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204078065U true CN204078065U (en) | 2015-01-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420531398.7U Expired - Lifetime CN204078065U (en) | 2014-09-17 | 2014-09-17 | A kind of unmanned airplane empennage foldable structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204078065U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017143657A1 (en) * | 2016-02-22 | 2017-08-31 | 深圳市大疆创新科技有限公司 | Airframe and unmanned aerial vehicle using same |
| CN107416586A (en) * | 2017-06-13 | 2017-12-01 | 江南工业集团有限公司 | A kind of aircraft stabilising arrangement fin folding device and method for folding |
| CN109141143A (en) * | 2018-07-26 | 2019-01-04 | 重庆长安工业(集团)有限责任公司 | A kind of folded surface locking mechanism |
| GB2565812A (en) * | 2017-08-23 | 2019-02-27 | Airbus Operations Ltd | Aircraft wing and locking mechanism |
| CN111998738A (en) * | 2020-09-23 | 2020-11-27 | 中国工程物理研究院总体工程研究所 | Lock hook type cylinder shooting patrol missile wing unfolding and locking mechanism |
| CN112665468A (en) * | 2020-12-21 | 2021-04-16 | 兰州空间技术物理研究所 | Novel strong locking and weak unlocking mechanism |
-
2014
- 2014-09-17 CN CN201420531398.7U patent/CN204078065U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017143657A1 (en) * | 2016-02-22 | 2017-08-31 | 深圳市大疆创新科技有限公司 | Airframe and unmanned aerial vehicle using same |
| US10625855B2 (en) | 2016-02-22 | 2020-04-21 | SZ DJI Technology Co., Ltd. | Foldable multi-rotor aerial vehicle |
| US11427319B2 (en) | 2016-02-22 | 2022-08-30 | SZ DJI Technology Co., Ltd. | Foldable multi-rotor aerial vehicle |
| US12071237B2 (en) | 2016-02-22 | 2024-08-27 | SZ DJI Technology Co., Ltd. | Foldable multi-rotor aerial vehicle |
| CN107416586A (en) * | 2017-06-13 | 2017-12-01 | 江南工业集团有限公司 | A kind of aircraft stabilising arrangement fin folding device and method for folding |
| GB2565812A (en) * | 2017-08-23 | 2019-02-27 | Airbus Operations Ltd | Aircraft wing and locking mechanism |
| US11077932B2 (en) | 2017-08-23 | 2021-08-03 | Airbus Operations Limited | Aircraft wing and locking mechanism |
| CN109141143A (en) * | 2018-07-26 | 2019-01-04 | 重庆长安工业(集团)有限责任公司 | A kind of folded surface locking mechanism |
| CN111998738A (en) * | 2020-09-23 | 2020-11-27 | 中国工程物理研究院总体工程研究所 | Lock hook type cylinder shooting patrol missile wing unfolding and locking mechanism |
| CN112665468A (en) * | 2020-12-21 | 2021-04-16 | 兰州空间技术物理研究所 | Novel strong locking and weak unlocking mechanism |
| CN112665468B (en) * | 2020-12-21 | 2023-08-15 | 兰州空间技术物理研究所 | A New Type of Strong Locking and Weak Unlocking Mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150107 |
|
| CX01 | Expiry of patent term |