CN208915427U - Foldable propeller and the unmanned plane for using the propeller - Google Patents
Foldable propeller and the unmanned plane for using the propeller Download PDFInfo
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- CN208915427U CN208915427U CN201821606867.1U CN201821606867U CN208915427U CN 208915427 U CN208915427 U CN 208915427U CN 201821606867 U CN201821606867 U CN 201821606867U CN 208915427 U CN208915427 U CN 208915427U
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- paddle
- blade
- pressing plate
- fixing seat
- positioning column
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Abstract
The utility model provides a kind of foldable propeller, it includes paddle folder, the blade being installed on the paddle folder and the washer being located between the blade and paddle folder, the paddle folder includes paddle pressing plate, with the paddle fixing seat of paddle pressing plate relative spacing setting, the blade positioning column and blade limited post being set between the paddle pressing plate and the paddle fixing seat, the blade is installed on the blade positioning column, the washer is sheathed on the blade positioning column, and the washer be located between the blade and the paddle pressing plate and or the blade and the paddle fixing seat between, the blade presss from both sides pivot joint with the paddle and the blade point can be rotated centered on the blade positioning column.Compared with the relevant technologies, reliability and working efficiency in propeller works is can be improved in foldable propeller provided by the utility model.
Description
Technical field
The utility model relates to air vehicle technique field more particularly to a kind of foldable propeller and use the propeller
Unmanned plane.
Background technique
Unmanned plane is a kind of not manned vehicle that flight attitude is controlled by radio robot and plug-in,
Since to have the advantages that maneuverability, rapid reaction, operation require low for it, now it is widely used in and takes photo by plane, plant protection, electric inspection process, rescues
The various fields such as calamity.
Propeller is the important component in the Power Component of unmanned plane, is usually made of propeller hub and blade, blade
It is mounted on propeller hub, propeller hub is fixed on Power Component, by the driving of Power Component, to drive blade to rotate, for nobody
Machine provides the power to advance.The occupied space as needed for blade is larger, occurs foldable propeller in the related technology, subtracts
Occupied space needed for lacking unmanned plane when not in use.
Foldable propeller in the related technology includes paddle folder and blade, and paddle is pressed from both sides by paddle fixing seat, paddle pressing plate and paddle clamp lock
Blade, when installing blade, is first placed in paddle fixing seat, pushes down blade with paddle pressing plate, then pass through paddle by tight screw composition
Paddle pressing plate is connected and fixed by folder lock-screw with by fixing seat, to compress blade.
However, the elasticity of paddle folder lock-screw limits blade in foldable propeller in the related art and paddle presss from both sides
Between fit clearance, whether blade can freely wave at work, be completely dependent on the elasticity control with paddle folder lock-screw
System.When foldable propeller has multiple blades, since paddle folder lock-screw is usually completed by manual work, and manual work has
There is subjectivity, the tightness that not can guarantee between each blade and paddle folder is uniform, leads to foldable propeller works efficiency not
Height, and influence the whole dynamic balance of foldable propeller.
Therefore, it is necessary to provide the new foldable propeller of one kind and solved using the unmanned plane of the propeller above-mentioned
Problem.
Utility model content
The technology that inaccurate, blade is easy to loosen is controlled with blade spacing for propeller paddle in the prior art folder to ask
Topic, the utility model provide spacing and the foldable propeller of blade fixation between the accurate control blade of one kind and paddle folder.
A kind of foldable propeller comprising paddle presss from both sides and be installed on the blade on the paddle folder, and the paddle folder includes paddle pressure
Plate and the paddle fixing seat of paddle pressing plate relative spacing setting, the paddle that is set between the paddle pressing plate and the paddle fixing seat
Leaf positioning column and blade limited post, the blade are installed on the blade positioning column, and the foldable propeller further includes being arranged
In the washer of the blade positioning column, the washer be located between the blade and the paddle pressing plate and or the blade with
Between the paddle fixing seat, the blade presss from both sides pivot joint with the paddle and the blade can be clicked through centered on the blade positioning column
Row rotation.
Preferably, the blade is put the rotation rotated by the blade limited post centered on the blade positioning column
Angular range is limited to 0 °~± 100 °.
Preferably, there are two the blade positioning column and the blade limited post are all provided with, two blade positioning columns pair
Claim setting in paddle pressing plate bottom, the blade limited post setting is by the blade positioning column and in the paddle pressing plate
The position in portion；Accordingly, the blade is equipped with two panels, and one end of the blade is equipped with perforative fixation hole, the blade positioning
Column passes through the fixation hole and the blade is installed on the paddle folder.
Preferably, the paddle pressing plate and the paddle fixing seat include close to the washer side forward surface and with it is described
The back that forward surface is oppositely arranged, the paddle pressing plate and or the paddle fixing seat further include from described in opposite directions towards the phase
Back side direction is recessed the recessed groove to be formed, and the washer is at least partially housed in the recessed groove.
Preferably, the paddle pressing plate further includes along described opposite to each other towards the forward surface direction through the logical of the paddle pressing plate
Hole, the paddle fixing seat further include the mounting hole of the setting of through-hole described in face.
Preferably, the blade positioning column and the paddle fixing seat or the paddle pressing plate are integrally formed.
Preferably, one end that the blade positioning column is not connect with the paddle fixing seat or the paddle pressing plate is provided with screw thread
Hole, the paddle fixing seat or the paddle pressing plate correspond to the screw thread hole site and are provided with connecting hole, the paddle fixing seat, the paddle
Pressing plate and the blade positioning column press from both sides lock-screw by paddle and are fixed together.
Preferably, the blade limited post and the paddle fixing seat or the paddle pressing plate are integrally formed.
Preferably, the close paddle that the blade limited post is located at the blade positioning column presss from both sides center side.
A kind of unmanned plane including fuselage, horn, the Power Component connecting with the horn and folds propeller, the folding
Coiled coil paddle includes paddle folder, the blade being installed on the paddle folder and the washer being located between paddle folder and blade, the paddle folder
Including paddle pressing plate, the paddle fixing seat being arranged with the paddle pressing plate relative spacing, it is set to the paddle pressing plate and the paddle fixing seat
Between blade positioning column and blade limited post, the blade is installed on the blade positioning column, and the washer is sheathed on described
Blade positioning column, the washer be located between the blade and the paddle pressing plate and or the blade and the paddle fixing seat
Between, the blade presss from both sides pivot joint with the paddle and the blade point can be rotated centered on the blade positioning column, passes through
Paddle mounting base lock-screw presss from both sides the paddle in integral installation to the Power Component.
Compared with the relevant technologies, the foldable propeller of the utility model is by between the blade and the paddle pressing plate
And or the blade and the paddle fixing seat between add the washer, limit the blade and the paddle folder between matching
Gap is closed, the spacing between the blade and paddle folder is controlled, so that the reliability connected between blade and paddle folder is increased,
And it can also make the tightness between multiple blades after the assembly is completed and paddle folder uniform, and then improve the work of propeller
Efficiency and whole dynamic balance.
Corresponding, the unmanned plane of the utility model is increased due to using the foldable propeller
The working efficiency of the unmanned plane, while but also the service life of the unmanned plane gets a promotion.
Detailed description of the invention
Fig. 1 is the schematic perspective view of foldable propeller provided by the utility model；
Fig. 2 is the decomposition texture schematic diagram of foldable propeller provided by the utility model；
Fig. 3 is the cross-sectional view along line A-A shown in Fig. 1；
Fig. 4 is the partial enlarged view of B area shown in Fig. 3.
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.
Embodiment one
It please refers to Fig.1 to Fig.4.The utility model provides a kind of foldable propeller 100 comprising paddle folder 10, installation
In the blade 20 on paddle folder 10 and the washer 30 being located between the paddle folder 10 and the blade 20.
The paddle folder 10 includes paddle pressing plate 11, the paddle fixing seat 12 being arranged with 11 relative spacing of paddle pressing plate, is set to
Blade positioning column 13 and blade limited post 14 between the paddle pressing plate 11 and the paddle fixing seat 12.
The blade positioning column 13 is respectively equipped with two with the blade limited post 14, and the two blade positioning columns 13 are arranged
It in the both ends for pressing from both sides 10 centers far from the paddle and is symmetrical arranged, the two blade limited posts 14 respectively correspond the two blade positioning
Column 13 is arranged, and the blade limited post 14 is located at the 10 center sides of close paddle folder of the blade positioning column 13.
The blade positioning column 13 is integrally formed with the paddle pressing plate 11 or the paddle fixing seat 12, the blade limited post
14 are integrally formed with the paddle pressing plate 11 or the paddle fixing seat 12.In the present embodiment, the blade positioning column 13 with it is described
Blade limited post 14 is integrally formed with the paddle pressing plate 11.I.e. in the present embodiment, the blade positioning column 13 and the paddle
Leaf limited post 14 is all set on the paddle pressing plate 11.It is corresponding, it is fixed that the blade is correspondingly arranged in the paddle fixing seat 12
The locating slot that position column 13 is arranged.
The paddle pressing plate 11 includes the first forward surface close to washer 30 (i.e. close to the paddle fixing seat 12) side
111, the first back 112 for being oppositely arranged with first forward surface 111, along first back 112 to described first
111 direction of forward surface is through the through-hole 113 of the paddle pressing plate 11 and from first forward surface 111 to first back
112 directions are recessed the first recessed groove 114 to be formed.
There are two the through-hole 113 is set, two through-holes 113 are located at 11 center of paddle pressing plate, and described in two
Through-hole 113 is symmetrical arranged about at 11 center of paddle pressing plate.
There are two first recessed groove 114 is set, two first recessed grooves 114 are located at far from the paddle pressing plate 11
Both ends at center, and two first recessed grooves 114 respectively correspond the two blade positioning columns 13 and are arranged.
First recessed groove 114 is arranged in a ring and around the blade positioning column 13.
The paddle fixing seat 12 includes the second forward surface close to washer 30 (i.e. close to the paddle pressing plate 11) side
121, the mounting hole being arranged with the second back 122 that second forward surface 121 is oppositely arranged, the corresponding through-hole 113
123, be recessed the second recessed groove 124 to be formed, corresponding institute from second forward surface 121 to 122 direction of the second back
It states the connecting hole 125 of the setting of blade positioning column 13 and runs through along second back 122 to 121 direction of the second forward surface
The through hole 126 of the paddle fixing seat 12.The through hole 126 is located at 12 center of paddle fixing seat.
There are two the mounting hole 123 is set, the setting of through-hole 113 described in two 123 faces two of mounting hole.Specifically, institute
Stating mounting hole 123 is counter sink, allows paddle mounting base lock-screw (not shown) to pass through the through-hole 113 during installation, then institute
It states paddle mounting base lock-screw and paddle folder 10 is mounted as a whole on Power Component by the mounting hole 123, while is described
The output shaft of Power Component is corresponding to be inserted into the through hole 126, so that the Power Component drives the paddle disk 10 to revolve
Turn, and then the blade 20 is driven to rotate.
There are two second recessed groove 124 is set, two second recessed grooves 124 are located at far from the paddle fixing seat
Both ends at 12 centers, and two second recessed grooves 124 respectively correspond two first recessed grooves 114 and are arranged.
Second recessed groove 124 is arranged in a ring and around the blade positioning column 13.
There are two the connecting hole 125 is set, two connecting holes 125 are respectively correspondingly arranged in two second recessed grooves 124
At center.Specifically, the connecting hole 125 is counter sink.
From close described 12 one end of blade fixing seat to the 11 direction concave shape of paddle pressing plate on the blade positioning column 13
At there is threaded hole, the corresponding threaded hole of the connecting hole 125 is arranged.During installation, by being packed at the connecting hole 125
Paddle folder lock-screw (not shown) is threadedly coupled the paddle folder lock-screw with the threaded hole, so that the paddle be fixed
Seat 12 is fixedly connected with the paddle pressing plate 11.
There are two the blade 20 is set, two blades 20, which respectively correspond, to be installed on the two blade positioning columns 13, is led to
The paddle folder lock-screw is crossed to lock to fix the blade 20.
The blade 20 is with 10 pivot joint of paddle folder and the blade 20 can be clicked through centered on the blade positioning column 13
Row rotation.The blade limited post 14 is used to limit the blade 20 and is put the rotation rotated centered on the blade positioning column
Gyration range, in the present embodiment, the blade limited post 14 is by the blade 20 centered on the blade positioning column 13
The rotation angle range that point is rotated is limited to 0 °~± 100 °, i.e., in the present embodiment, the blade 20 can be with the paddle
100 ° clockwise or counterclockwise are put centered on leaf positioning column 13.
Specifically, the blade 20 include the articulated section 21 that is installed on the blade positioning column 13 and with the articulated section
21 adjacent leaf portions 22.The articulated section 21 is corresponding to be pivotally connected with the blade positioning column 13.More specifically, the articulated section 21 is set
There is perforative fixation hole, the blade positioning column 13 passes through the fixation hole and the blade 20 is installed on the paddle folder 10.
The washer 30 be located between the blade 20 and the paddle pressing plate 11 and or the blade 20 and the paddle it is solid
Between reservation 12.In the present embodiment, it is fixed with the blade 20 with the paddle between the blade 20 and the paddle pressing plate 11
The washer 30 is equipped between seat 12.
The washer 30 is arranged in a ring and around the blade positioning column 13.
Specifically, washer 30 described in two of them is around a blade positioning column 13 there are four the washer 30 sets
Setting, other two described washer 30 are arranged around another described blade positioning column 13.
The washer 30 being located between the blade 20 and the paddle pressing plate 11 is at least partially housed in described first
In recessed groove 114, the washer 30 being located between the blade 20 and the paddle fixing seat 12 is at least partially housed in described
In two recessed grooves 124.
It is understood that the installation that the blade positioning column 13 limits between the paddle folder 10 and the blade 20 is matched
Space is closed, paddle folder lock-screw can be locked arbitrarily.The height and diameter of the blade positioning column 13 pass through the accurate control of machining
System is adapted to the blade 20 of corresponding model, the installation pore size and height dimension of the articulated section 21 on the blade 20
It is kept fixed gap matching, waving for the blade 20 is not influenced by lock-screw coupling mechanism force, to ensure that the blade
There is suitable gap between 20 and paddle folder 10, so that the blade 20 is freely waved during the work time, is not missed by installation
Difference and uncertain factor influence.
Meanwhile the washer 30 described in sandwiched between paddle folder 10 and the blade 20, it can be pressed from both sides with paddle described in effective guarantee
It will not cause to interfere with each other and destroy because of factors such as materials between 10 and the blade 20, so that increasing the paddle presss from both sides 10 Hes
The service life of the blade 20.The washer 30 can also limit the fit clearance between the blade 20 and paddle folder 10,
The spacing between the blade 20 and paddle folder 10 is controlled, is connected between the blade 20 and paddle folder 10 to increase
Reliability.Since the washer 30 controls the spacing between the blade 20 and paddle folder 10, so that in assembling process
In it is simpler so that after the assembly is completed multiple blades 20 and the paddle folder 10 between tightness it is uniform.Together
Sample, the washer 30 can also promote the clamping tightness that the paddle presss from both sides 10 pairs of blades 20, so that described collapsible
Propeller 100 has better service life.
Also, the washer 30 is accommodated by the way that first recessed groove 114 and second recessed groove 124 is arranged, it can be with
The installation difficulty of the washer 30 is reduced, is easier to position the washer 30 during installation, so as to avoid installing
Error is generated in journey.
Embodiment two
The utility model additionally provides a kind of unmanned plane comprising fuselage, horn, the Power Component connecting with the horn
And the foldable propeller 100 in embodiment one, 10 entirety of paddle folder is pacified by the paddle mounting base lock-screw
It is attached on the Power Component.
Compared with the relevant technologies, the foldable propeller of the utility model is by between the blade and the paddle pressing plate
And or the blade and the paddle fixing seat between add the washer, limit the blade and the paddle folder between matching
Gap is closed, the spacing between the blade and paddle folder is controlled, so that the reliability connected between blade and paddle folder is increased,
And it can also make the tightness between multiple blades after the assembly is completed and paddle folder uniform, and then improve the work of propeller
Efficiency and whole dynamic balance.
Corresponding, the unmanned plane of the utility model is increased due to using the foldable propeller
The working efficiency of the unmanned plane, while but also the service life of the unmanned plane gets a promotion.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of foldable propeller, press from both sides and be installed on the blade on the paddle folder including paddle, the paddle folder include paddle pressing plate, with
The paddle fixing seat of the paddle pressing plate relative spacing setting, the blade positioning being set between the paddle pressing plate and the paddle fixing seat
Column and blade limited post, the blade are installed on the blade positioning column, which is characterized in that the foldable propeller further includes
Be sheathed on the washer of the blade positioning column, the washer be located between the blade and the paddle pressing plate and or the paddle
Between leaf and the paddle fixing seat, the blade and the pivot joint of paddle folder and the blade can be centered on the blade positioning columns
Point is rotated.
2. foldable propeller according to claim 1, which is characterized in that the blade limited post is by the blade with institute
It states the rotation angle range put centered on blade positioning column and rotated and is limited to 0 °~± 100 °.
3. foldable propeller according to claim 1, which is characterized in that the blade positioning column and blade limit
There are two column is all provided with, two blade positioning columns are symmetricly set on paddle pressing plate bottom, and the blade limited post setting exists
Position by the blade positioning column and in the middle part of the paddle pressing plate；Accordingly, the blade is equipped with two panels, the blade
One end is equipped with perforative fixation hole, and the blade positioning column passes through the fixation hole and the blade is installed on the paddle folder.
4. foldable propeller according to claim 1, which is characterized in that the paddle pressing plate and the paddle fixing seat are wrapped
Include the forward surface close to the washer side and the back that is oppositely arranged with the forward surface, the paddle pressing plate and or it is described
Paddle fixing seat further includes being recessed the recessed groove to be formed towards the back direction in opposite directions from described, and the washer is at least partly received
It is dissolved in the recessed groove.
5. foldable propeller according to claim 4, which is characterized in that the paddle pressing plate further includes along the back
Run through the through-hole of the paddle pressing plate to the forward surface direction, the paddle fixing seat further includes the installation of the setting of through-hole described in face
Hole.
6. foldable propeller according to claim 1, which is characterized in that the blade positioning column and the paddle fixing seat
Or the paddle pressing plate is integrally formed.
7. foldable propeller according to claim 6, which is characterized in that the blade positioning column is not fixed with the paddle
One end of seat or paddle pressing plate connection is provided with threaded hole, and the paddle fixing seat or the paddle pressing plate correspond to the screw thread hole location
It installs and is equipped with connecting hole, the paddle fixing seat, the paddle pressing plate and the blade positioning column press from both sides the fixed company of lock-screw by paddle
It is connected together.
8. foldable propeller according to claim 1, which is characterized in that the blade limited post and the paddle fixing seat
Or the paddle pressing plate is integrally formed.
9. foldable propeller according to claim 8, which is characterized in that it is fixed that the blade limited post is located at the blade
Position column presss from both sides center side close to the paddle.
10. a kind of unmanned plane, including fuselage, horn and the Power Component being connect with the horn, which is characterized in that it is described nobody
Machine further includes any foldable propeller in claim 1 to 9, by paddle mounting base lock-screw that paddle folder is whole
Body is installed on the Power Component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606867.1U CN208915427U (en) | 2018-09-29 | 2018-09-29 | Foldable propeller and the unmanned plane for using the propeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606867.1U CN208915427U (en) | 2018-09-29 | 2018-09-29 | Foldable propeller and the unmanned plane for using the propeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208915427U true CN208915427U (en) | 2019-05-31 |
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ID=66707895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821606867.1U Active CN208915427U (en) | 2018-09-29 | 2018-09-29 | Foldable propeller and the unmanned plane for using the propeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208915427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920880A (en) * | 2019-12-29 | 2020-03-27 | 南京翯翼航空科技有限公司 | Anti-loosening rotor blade clamp |
| CN113911319A (en) * | 2021-11-23 | 2022-01-11 | 北京卓翼智能科技有限公司 | Unmanned aerial vehicle screw folds stop gear |
-
2018
- 2018-09-29 CN CN201821606867.1U patent/CN208915427U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920880A (en) * | 2019-12-29 | 2020-03-27 | 南京翯翼航空科技有限公司 | Anti-loosening rotor blade clamp |
| CN113911319A (en) * | 2021-11-23 | 2022-01-11 | 北京卓翼智能科技有限公司 | Unmanned aerial vehicle screw folds stop gear |
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