CN207758997U - A kind of folding propeller, Power Component and unmanned plane - Google Patents
A kind of folding propeller, Power Component and unmanned plane Download PDFInfo
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- CN207758997U CN207758997U CN201721786042.8U CN201721786042U CN207758997U CN 207758997 U CN207758997 U CN 207758997U CN 201721786042 U CN201721786042 U CN 201721786042U CN 207758997 U CN207758997 U CN 207758997U
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Abstract
The utility model embodiment is related to Propeller technology field, specifically discloses a kind of folding propeller, Power Component and unmanned plane.The folding propeller includes propeller hub, at least two blades and at least two connectors, and the propeller hub is for installing the folding propeller to driving device；The propeller hub includes the first surface and second surface being oppositely arranged, and the first surface deviates from the driving device towards the driving device, the second surface；Each blade is mounted on the second surface by a corresponding connector, and each blade can be rotated relative to the propeller hub.By the above-mentioned means, the utility model embodiment can only need the frictional force of one contact surface of adjustment to can be adjusted the rotary damping between blade and propeller hub when being molded mode transfer, facilitates mode transfer, be conducive to mass production, reduce production cost.
Description
Technical field
The utility model embodiment is related to Propeller technology field, more particularly to a kind of folding propeller, using the folding
The unmanned plane of the Power Component and application of coiled coil the paddle Power Component.
Background technology
Unmanned plane is a kind of by radio robot and built-in program controls not carrying people to fly for flight attitude
Device, since to have the advantages that maneuverability, rapid reaction, unmanned, operation require low for it, be widely used in taking photo by plane,
The various fields such as plant protection, electric inspection process, the disaster relief.With the development of wireless Internet, WLAN and image processing techniques, nothing
Man-machine is even more to have obtained the favor of more and more users.
Propeller is the important component in the Power Component of unmanned plane, is usually in two or more by propeller hub
The blade composition of axial symmery shape distribution, blade are mounted on propeller hub, and propeller hub is fixedly mounted on the drive means.Work as driving device
When rotation, blade is driven to rotate together by propeller hub, to provide the power of advance for unmanned plane.
In the process of implementing the utility model, inventor has found：Currently, carrying unmanned plane for the convenience of the user, reduce nothing
Man-machine the space occupied, the relevant technologies propose some folding propellers.However, existing foldable propeller is generally logical
It crosses clamp structure blade is mounted on propeller hub, to make rotary damping having the same between propeller hub and blade, needs to adjust paddle
The friction of two contact surfaces of leaf and clamp structure, is not easy to mode transfer.
Utility model content
A kind of folding propeller of the utility model embodiment offer, Power Component and unmanned plane, can solve existing folding
Propeller is not easy to mode transfer, the high problem of production cost.
In order to solve the above technical problems, the technical solution that the utility model uses is：A kind of folding propeller is provided,
The folding propeller includes propeller hub, at least two blades and at least two connectors, and the propeller hub is used for the folding spiral shell
Rotation paddle is installed to driving device, wherein
The propeller hub includes the first surface and second surface being oppositely arranged, and the first surface is filled towards the driving
It sets, the second surface deviates from the driving device；
Each blade is mounted on the second surface, each paddle by a corresponding connector
Leaf can be rotated relative to the propeller hub.
In some embodiments, the propeller hub includes main part and at least two clinch that are connect with the main part,
The main part and the clinch include two surfaces being oppositely arranged, a surface and the overlap joint of the main part
One surface in portion connects to form the first surface, another surface of the main part and another table of the clinch
Face connects to form the second surface；
The clinch is corresponded with the blade and the connector, and the clinch passes through described with the blade
Connector is pivotally connected.
In some embodiments, each blade includes articulated section, and each articulated section is overlapped on corresponding
On one clinch, and it is pivotally connected by a connector and the clinch.
In some embodiments, the lower surface of the articulated section is contacted with the second surface.
In some embodiments, the propeller hub further includes the boss for being set to the second surface；
It is extended with convex edge on each articulated section, the convex edge is overlapped on the boss.
In some embodiments, the lower surface of the convex edge is contacted with the upper surface of the boss.
In some embodiments, the propeller hub further includes the boss for being set to the second surface；
It is extended with convex edge on each articulated section, the convex edge is located at the top of the boss, when the folding spiral
When paddle is driven and rotated by the driving device, the convex edge is contacted with the upper surface of the boss.
In some embodiments, the cross section of the boss is in a ring.
In some embodiments, the center line of the boss is overlapped with the center line of the rotation axis of the driving device.
In some embodiments, the quantity of the boss is two.
In some embodiments, the cross section semicircular in shape or rectangle of the boss.
In some embodiments, the convex edge is in arc-shaped.
In some embodiments, at least two clinch is each formed with through-hole；
At least two articulated section corresponds to the through-hole and is formed with mounting hole；
The connector is threaded through in the mounting hole and the through-hole, and the blade is installed on the clinch.
In some embodiments, each connector includes described in the first support division, the second support division and connection
The interconnecting piece of first support division and second support division；
First support division is supported towards the surface of second support division with the first surface；
Second support division deviates from the side of the clinch towards the surface of first support division and the blade
It supports；
The interconnecting piece is threaded through in the mounting hole and the through-hole.
In some embodiments, the blade is fixedly connected by way of injection molding with the connector, the paddle
Hub is pivotally connected with the connector.
In some embodiments, the interconnecting piece is equipped with annular groove, and annular protrusion, the ring are equipped in the mounting hole
Shape protrusion is arranged in the annular groove.
In some embodiments, second support division includes teeth portion, and the blade corresponds to the teeth portion and is provided with limit
Slot, the teeth portion are arranged in the limiting slot.
In some embodiments, the propeller hub is fixedly connected by way of injection molding with the connector, the paddle
Leaf is pivotally connected with the connector.
In some embodiments, the interconnecting piece is equipped with annular groove, and annular protrusion, the annular are equipped in the through-hole
Protrusion is arranged in the annular groove.
In some embodiments, first support division includes teeth portion, and the propeller hub corresponds to the teeth portion and is provided with limit
Slot, the teeth portion are arranged in the limiting slot.
In order to solve the above technical problems, another technical solution that the utility model uses is：A kind of Power Component is provided,
The Power Component includes：Driving device, and, the folding propeller as described above being mounted in the driving device.
In order to solve the above technical problems, another technical solution that the utility model uses is：A kind of unmanned plane is provided, it should
Unmanned plane includes：Power Component as described above.
The advantageous effect of the utility model embodiment is：The case where being different from the prior art, the utility model embodiment carry
The propeller hub of the folding propeller of confession includes the first surface and second surface being oppositely arranged, the first surface direction and the folding
The driving device of propeller connection, the second surface deviate from the driving device, and each blade passes through corresponding one
Connector is mounted on the second surface, to only include a contact surface between blade and propeller hub, when carrying out injection molding mode transfer
It only needs the frictional force of one contact surface of adjustment to can be adjusted the rotary damping between blade and propeller hub, facilitates mode transfer, be conducive to criticize
Quantization production, reduces production cost.
Further, in the utility model embodiment, the propeller hub of the folding propeller further includes being set to described second
The boss on surface, also, one end that each blade is connect with the propeller hub is extended with convex edge, and the convex edge is overlapped on described
On boss, to, in the folding propeller high speed rotation, the one end that can be connect blade with propeller hub by convex edge and boss
The power born is disperseed to propeller hub, without be arranged in propeller hub clamp structure also can guarantee the folding propeller at work can
By property.
Description of the drawings
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element with same reference numbers label is expressed as similar element in attached drawing, removes
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is a kind of dimensional structure diagram for folding propeller that the one of embodiment of the utility model provides；
Fig. 2 is the stereochemical structure exploded view that propeller is folded shown in Fig. 1；
Fig. 3 is the dimensional structure diagram that the propeller hub in propeller is folded shown in Fig. 2；
Fig. 4 is the dimensional structure diagram at another visual angle of propeller hub shown in Fig. 3；
Fig. 5 is the dimensional structure diagram for another propeller hub that the utility model embodiment provides；
Fig. 6 is the dimensional structure diagram for another propeller hub that the utility model embodiment provides；
Fig. 7 is the dimensional structure diagram that the blade in propeller is folded shown in Fig. 2；
Fig. 8 is the dimensional structure diagram that the connector in propeller is folded shown in Fig. 2；
Fig. 9 is the sectional view that propeller is folded shown in Fig. 1；
Figure 10 is the partial enlarged view of encircled portion A shown in Fig. 9；
Figure 11 is the dimensional structure diagram for the alternative attachment that the utility model embodiment provides；
Figure 12 is a kind of stereochemical structure exploded view for Power Component that another embodiment of the utility model provides；
Figure 13 is a kind of dimensional structure diagram for unmanned plane that another embodiment of the utility model provides.
Specific implementation mode
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " connection " another element, it can
To be directly to another element or may exist one or more elements placed in the middle therebetween.This specification is used
Term "upper", "lower", "inner", "outside", " top ", the instructions such as " bottom " orientation or positional relationship be based on ... shown in the drawings
Orientation or positional relationship is merely for convenience of description invention and simplifies description, do not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of technical staff in art field is identical.Term used in the description of the utility model is intended merely to
The purpose for describing specific embodiment is not intended to limitation the utility model.In addition, the utility model disclosed below is each
Involved technical characteristic can be combined with each other as long as they do not conflict with each other in embodiment.This specification is made
Term "and/or" includes any and all combinations of one or more relevant Listed Items.
It only includes a contact surface that the folding propeller that the utility model embodiment provides, which is between a kind of blade and propeller hub,
Foldable type propeller, the folding propeller can by be integrally formed, when carrying out injection molding mode transfer only need adjustment one
The frictional force of contact surface can be adjusted the rotary damping between blade and propeller hub, facilitate mode transfer, be conducive to mass production, reduce
Production cost.
Further, in the utility model embodiment, the propeller hub of the folding propeller further includes being set to described second
The boss on surface, also, one end that each blade is connect with the propeller hub is extended with convex edge, and the convex edge is overlapped on described
On boss, to, when the folding propeller height rotates, one end institute that can be connect blade with propeller hub by convex edge and boss
The power born is disperseed to propeller hub, also can guarantee the folding propeller at work reliable it is not necessary that clamp structure is arranged in propeller hub
Property.
The folding propeller that the utility model embodiment provides can be suitable for any type of unmanned plane, such as：Rotor
Unmanned vehicle, tilting rotor unmanned vehicle etc..Wherein, the rotor unmanned aircraft includes but not limited to：It is single rotor, double
Rotor, quadrotor or six rotors etc..
Specifically, folding propeller, Power Component the utility model embodiment provided with reference to the accompanying drawings of the specification
And unmanned plane is described in detail.
Fig. 1 is a kind of dimensional structure diagram for folding propeller that the one of embodiment of the utility model provides, Fig. 2
It is the stereogram exploded view that propeller is folded shown in Fig. 1.Also referring to Fig. 1 and Fig. 2, which includes a paddle
10, two blades 20 of hub and two connectors 30.Propeller hub 10 is used for the folding propeller 100 installation to driving device, paddle
Hub 10 includes the first surface 101 that is oppositely arranged and second surface 102, and first surface 101 is towards driving device, second surface
102 deviate from driving device, and each blade 20 is mounted on second surface 102, each paddle by a corresponding connector 30
Leaf 20 can be rotated relative to propeller hub 10, and the longitudinal center line 10a of the rotation axis 20a and propeller hub 10 of each blade 20
(alternatively, center line of the rotation axis of driving device) is parallel.Wherein, the rotation axis 20a can be the axial direction of connector 30
Center line.As a result, in the utility model embodiment, each blade 20 can be with respect to propeller hub 10 to the left or to right folding.
Wherein, it should be appreciated that in the utility model embodiment, the damping between blade 20 and propeller hub 10 needs
Control is within the scope of certain, to ensure that blade 20 can be opened normally when rotated, also, each blade 20 and propeller hub 10
Damping can not difference it is very big, with ensure the folding propeller 100 dynamic balancing meet flight require.
Wherein, propeller hub 10 is used to install blade 20, and, on the drive means by the folding propeller 100 installation, and with
The rotation axis of driving device is fixedly connected.When high-speed rotation under drive of the propeller hub 10 in the rotation axis of driving device, two paddles
Leaf 20 is unfolded because subject to centrifugal forces, when two blades 20 are unfolded, has phase between two blades 20 and propeller hub 10
Same rotary damping；And when storing the folding propeller 100, one of blade 20 can be made around corresponding connector
30 opposite propeller hubs 10 turn left, while another blade 20 being made to turn right with respect to propeller hub 10 around corresponding connector 30
It is dynamic, to realize the folding of blade, space is saved, is convenient for carrying.
Wherein, it should be appreciated that although in the present embodiment only by taking two blades 20 and two connectors 30 as an example into
Row explanation, but can also include greater number of blade 20 and connector 30, each blade in some other embodiments
20 can also be mounted on the second surface 102 of propeller hub 10 by greater number of connector 30.
Specifically, also referring to Fig. 3 and Fig. 4, propeller hub 10 includes 11, two overlap joints being connect with main part 11 of main part
The boss 13 that portion 12 and main body 11 extend.Main part 11 and clinch 12 include two surfaces being oppositely arranged, main
One surface in body portion 11 connect to form first surface 101 with a surface of clinch 12, another surface of main part 11
It connect to form second surface 102 with another surface of clinch 12.The second surface 102 in main part 11 is arranged in boss 12
On.
Wherein, in the present embodiment, as shown in figure 4, the main part 11 first surface 101 be extended be useful for by
100 rapid-assembling/disassembling of folding propeller to corresponding driving device fastener 113.The quantity of the fastener 113 can be with
Including but not limited to：1,2,3 or 5 etc..Can be 360 °/N according to angle when fastener 113 includes N number of
It is distributed in the first surface 101 of the main part 11.Wherein, in the present embodiment, using three fasteners 113, these three snappings
Part 113 is angularly 120 ° of first surfaces 101 for being distributed in main part 11.Wherein, each fastener 113 is T-shaped, including from
The interconnecting piece that the bottom of main part 11 is extended and the buckling parts formed in interconnecting piece end.Particularly, it will be rolled over to be promoted
Coiled coil paddle 100 is installed on the stability of its corresponding driving device, the thickness or average thickness of the buckling parts of the fastener 113
At least 1.2 millimeters, the height or average height of fastener 113 are at least 3.0 millimeters.In the present embodiment, by main body
Fastener 113 is arranged in the first surface 101 in portion 11, can in order to by 100 rapid-assembling/disassembling of folding propeller to corresponding
In driving device.Certainly, in practical applications, the fastener 113 can also be omitted, otherwise by the folding propeller
100 are fixedly mounted in its corresponding driving device.
Wherein, in the present embodiment, it between clinch 12 and main part 11 can be mutual indepedent molding two parts,
It can also be integrally formed.Each clinch 12 is each formed with through-hole 121, for installing blade 20.As shown in figure 4, each take
Socket part 12 is additionally provided with the first groove 122, the central shaft of the center line and through-hole 121 of first groove 122 in first surface 101
Line overlaps, and for accommodating its corresponding connector 30, promotes the compactedness of the folding propeller 100.It will of course be understood that
It is, in some embodiments, it is also possible to omit first groove 122.Moreover, it is to be understood that in the present embodiment, taking
Socket part 12 is corresponded with blade 20 and connector 30, and clinch 12 is pivotally connected with blade 20 by connector 30, therefore, in reality
In, the quantity of clinch 12 is also not limited to two.
Wherein, in the present embodiment, boss 13 is arranged on the second surface 102 of main part 11, is used for the folding spiral shell
The pulling force that blade 20 is born when revolving 100 high speed rotation of paddle is dispersed to propeller hub 10, reduces one end that blade 20 is connect with propeller hub 10
The moment of flexure born prevents blade 20 and the junction of propeller hub 10 from being deformed because stress is excessive, ensures that blade 20 connects with propeller hub 10
The service life of the one end connect and the reliability of folding propeller 100 at work.Particularly, in the present embodiment, convex
The cross section of platform 13 in a ring, and corresponding driving device rotation axis coaxial arrangement, be centrally formed with centre bore
131, the rotation axis for assembling corresponding driving device.
Wherein it is possible to understand, in the present embodiment, the center of the center line of boss 13 and the rotation axis of driving device
Line overlaps, and all blades 20 is enabled to the power that it is born can be dispersed to propeller hub 10 with by the boss 13, so as to
To reduce the quantity of boss 13, facilitate modeling, reduces production cost.And in some other embodiments, boss 13 can also
It is disposed in other locations, and quantity can not also be limited to 1.For example, propeller hub 10'(as shown in Figure 5 is or, such as Fig. 6
Shown in propeller hub 10 ") in, boss 13'(is or, boss 13 ") quantity can also be two, two boss 13'(are or, boss
13 ") setting of blade 20 can be corresponded to respectively, that is, a blade 20 corresponds to a boss 13'(or, boss 13 ").
Moreover, it is to be understood that in the present embodiment, the cross section of boss 13 in a ring, the side of being on the one hand to
Just blade 20 is rotated relative to propeller hub 10, is on the other hand to increase boss 13 and blade when blade 20 and boss 13 support
10 contact area, enhances the dispersion effect of stress, further promotes the stabilization of folding propeller 100 when rotating at high speed
Property.In some other embodiments, the cross section of boss 13 can also be other shapes, for example, as shown in Fig. 5, propeller hub
The cross section semicircular in shape of the boss 13' of 10'；Alternatively, as shown in fig. 6, the cross section of the boss 13 " of propeller hub 10 " is rectangular.
Furthermore, it will also be appreciated that in the present embodiment, folding propeller 100 is promoted in work by the way that boss 13 is arranged
Reliability when making, in some other embodiments, if in propeller works, one end institute that blade 20 is connect with propeller hub 10
When the torque born is smaller, the boss 13 can also be omitted.
Referring to Fig. 7, each blade 20 includes the articulated section 21 for being connect with propeller hub 10, each articulated section 21 is overlapped on
On a corresponding clinch 12, and it is pivotally connected by a connector 30 and clinch 12.Wherein, the articulated section 21
Lower surface is contacted with the second surface 102 of clinch 12.The through-hole 121 that articulated section 21 corresponds to clinch 12 is formed with mounting hole
211, corresponding connector 30 is threaded through in the mounting hole 211 and through-hole 121, to which blade 20 is mounted on clinch 12
Top (that is, second surface 102).Particularly, in the present embodiment, it by blade 20 and can be taken by way of injection molding
Socket part 12 links together.Further, in order to promote the compactedness of the folding propeller 100, articulated section 21 is far from overlap joint
The side in portion 12 is provided with the second groove 212, which is coaxially disposed with mounting hole 211, corresponding for accommodating its
Connector 30.Likewise, it is understood that in some other embodiments, second groove 212 can also be omitted.
Specifically, also referring to Fig. 1 and Fig. 7, it is also extended with convex edge 213 on articulated section 21, which is overlapped on convex
On platform 13, the lower surface of convex edge 213 is contacted with the upper surface of boss 13, to, when folding 100 high speed rotation of propeller,
The power that articulated section 21 is born can pass to boss 13 by convex edge 213, finally be dispersed to main part 11.Specifically, working as paddle
20 high speed rotation of leaf and the pulling force that generates makes the blade tip (that is, the one end of blade 20 far from propeller hub 10) of blade 20 generate upward shape
When variable displacement, under leverage (its lever central point is the articulated section of articulated section 21 and clinch 21), convex edge 213 will produce
One downward deformational displacement, since the convex edge 213 and boss 13 overlap, so boss 13 convex edge 213 can be generated one to
On reaction force, and then balance the torque that is generated because under tension acts on of articulated section 21 of blade 20, make 21 institute of articulated section
The moment of flexure born reduces, and to prevent the mounting hole 211 in articulated section 21 from being deformed because stress is excessive, ensures articulated section 21
Service life, and, reliability when which works.
Wherein, in further embodiments, static under natural conditions in folding propeller 100, the lower surface of convex edge 213
Upper surface with boss 13 can also be discontiguous, that is, convex edge 213 is vacantly arranged in the top of boss 13.When folding spiral
When 100 driven device of paddle drives and rotates, since the blade tip of blade 20 is by upward pulling force, make in lever as described above
Under, convex edge 213 hanging at this time can just be contacted with the upper surface of boss 13.
Further, in the present embodiment, which is in arc-shaped, to when convex edge 213 is produced under leverage
When giving birth to downward deformational displacement, on the one hand, the contact area of convex edge 213 and boss 13 can be increased, and then increase convex edge 213
The torque that articulated section 21 is born is better balanced in stress surface；On the other hand, the stress inside convex edge 213 can also be disperseed,
The stress that convex edge 213 is born by inside is avoided to be broken due to excessively concentration.
Wherein it is possible to understand, in the present embodiment, by the convex edge 213 be set as arc-shaped be only one of which compared with
Excellent embodiment considers the specific stressing conditions of process conditions and articulated section 21 in some other embodiments
Etc. factors, which can also be arranged to other suitable shapes.
Specifically, referring to Fig. 8, connector 30 is in " I " fonts, including the first support division 31 and second being oppositely arranged
Support division 32, and, connect the interconnecting piece 33 of the first support division 31 and the second support division 32.Propeller hub 10, blade 20 and connector
After 30 complete assembly, the interconnecting piece 33 of connector 30 is threaded through in through-hole 121 and mounting hole 211, and the first support division 31 is towards the
The surface of two support divisions 32 is supported with first surface 101；Second support division 32 is towards the surface of the first support division 31 and blade 20
It is supported away from the side of clinch 12.Specifically, in the present embodiment, the first support division 31 is contained in the first groove 122, the
Two support divisions 32 are contained in the second groove 212.
Wherein, in the present embodiment, in order to enable blade 20 can be rotated relative to propeller hub 10, injection molding can be passed through
Mode makes blade 20 be fixedly connected with connector, also, propeller hub 10 is made to be pivotally connected with connector 30.Specifically, in injection molding
When, the mounting hole 211 for making articulated section 21 is adapted to the interconnecting piece 33 of connector 30, and the through-hole 121 and interconnecting piece of clinch 12
There are uniform gaps between 33.
Further, in the present embodiment, the interconnecting piece 33 of connector 30 corresponds to mounting hole 211 and is provided with annular groove
331, to which when connecting blade 20 and connector 30 by way of injection molding, the injection molding liquid of blade 20 can flow into the annular
Groove 331 but and after molding, as shown in Figure 9 and Figure 10, annular is correspondingly formed in the mounting hole 211 of blade 20 in injection molding liquid cooling
Protrusion 2111, which is arranged in the annular groove 331, so as to prevent 20 opposite joints 30 of blade
Upwardly or downwardly slide.Certainly, in some other embodiments, can also be got up with convex annular instead of the annular groove
331 (at this point, being correspondingly formed annular groove in mounting hole 211), if can prevent 20 opposite joints 30 of blade upwards or
Slide downward；Alternatively, in view of the factor of cost, the annular groove 331 can also be omitted.
In addition, in further embodiments, connector 30', the second support division 32' as shown in figure 11 can also include
Teeth portion 321, to which when connecting blade 20 and connector 30' by way of injection molding, injection molding liquid can flow into the tooth
In the gap in portion 321, in injection molding liquid cooling but and after molding, the blade 20 corresponds to the teeth portion 321 and forms limiting slot, teeth portion 321
It is arranged in the limiting slot, to prevent blade 20 from being relatively rotated with connector 30', enhances the company of blade 20 and connector 30'
The fastness connect.
In practical applications, the folding spiral of the utility model embodiment offer can be provided by way of injection molding
Paddle 100.For example, connector 30 can be placed in 20 corresponding mold of blade first, formed by way of injection molding
Blade 20, and blade 20 is fixedly connected with connector 30；Then blade 20 after molding and connector 30 are put into propeller hub 10
Propeller hub 10 is formed in corresponding mold, and propeller hub 10 is made to be pivotally connected with connector 30.Wherein, during injection molding, due to
The utility model embodiment provide folding propeller 100 when opening blade 20, between blade 20 and propeller hub 10 only there are one
Contact surface, therefore, when adjusting the rotary damping between blade 20 and propeller hub 10, a corresponding blade 20 only needs adjustment one to connect
The frictional force of contacting surface, facilitates mode transfer, is conducive to mass production, saves production cost.
Wherein it is possible to understand, in the present embodiment, blade 20 and 30 shape of connector are made by way of injection molding
Integral structure makes propeller hub 10 be pivotally connected with connector 30, to enable blade 20 to be rotated relative to propeller hub 10.In others one
In a little embodiments, connector 30 can also be made to be structure as a whole with propeller hub 10, connector 30 is pivotally connected with blade 20, such as：It is noting
When being moulded into type, the through-hole 121 of clinch 12 is made to be adapted to interconnecting piece 33, and the company of the mounting hole 211 and connector 30 of blade 20
There are uniform gaps between socket part 33.Further, in order to promote the stability being connect between propeller hub 10 and connector 30, also
The position that through-hole 121 can be corresponded in interconnecting piece 33 is arranged what limitation 10 opposite joints 30 of propeller hub such as annular groove slided up and down
Structure (correspondingly, forms annular protrusion, the annular protrusion is arranged in the annular groove) in through-hole 121, and/or,
In the first support division 31, structure (correspondingly, the correspondence of propeller hub 10 institute of limitation 10 opposite joints 30 of the propeller hub rotation such as teeth portion is set
It states teeth portion and is formed with limiting slot, the teeth portion is arranged in the limiting slot).
2 are please referred to Fig.1, for a kind of stereogram exploded view for Power Component that another embodiment of the utility model provides, this is dynamic
Power component 130 includes：Folding propeller 100 as described in above-described embodiment and driving device 200.The folding propeller 100 is logical
Propeller hub 10 is crossed in driving device 200, the rotation axis of driving device 200 is assemblied in the centre bore 131 of propeller hub 10.Work as driving
When device 200 operates, rotation axis can drive the folding propeller 100 along specific direction (i.e. turn of driving device 200
Dynamic direction：Direction clockwise or counter-clockwise) rotation, to be the loose impediment using the Power Component 130, than
Such as, unmanned plane provides mobile power.
Wherein, which can arbitrarily drive to fold the device that propeller 100 rotates, for example, it can
To include but not limited to：Brush motor, brushless motor, direct current generator, stepper motor, AC induction motor etc..The driving device
The installation part for being useful for fixing the folding propeller 100 is fixedly mounted on 200, fold the fastener 113 on propeller 100 and is somebody's turn to do
Installation part coordinates, and the rapid-assembling/disassembling between the folding propeller 100 and the driving device 200 may be implemented.
Certainly, in some other embodiments, the fixed form between propeller 100 and driving device 200 is folded
Can be other modes, the utility model embodiment is not especially limited this.
3 are please referred to Fig.1, it, should for a kind of dimensional structure diagram for unmanned plane that another embodiment of the utility model provides
Unmanned plane 300 includes：Fuselage 110, the horn 120 extended from fuselage 110 and be separately positioned on horn 120 as above-mentioned
Power Component 130 described in embodiment.
Wherein, the control circuit component being made of electronic components such as MCU, the control circuit are generally included in fuselage 110
Component includes multiple control modules, e.g., for controlling the flight control modules of 300 flight attitude of unmanned plane, for navigating nobody
At the big dipper module of machine 300 and data for handling the environmental information acquired in related airborne equipment (e.g., photographic device)
Manage module etc..Power Component 130 is installed on horn 120, for providing power for unmanned plane 300, and unmanned plane 300 is driven to fly
And carry out the adjustment of flight attitude.
Wherein it is possible to understand, in the utility model embodiment, only illustrated by taking quadrotor drone as an example,
But it is not used to limit the utility model.In some other embodiments, which can also be other kinds of more
Rotor wing unmanned aerial vehicle, such as：Single rotor unmanned plane, DCB Specimen unmanned plane, six rotor wing unmanned aerial vehicles etc.；Alternatively, the unmanned plane can be with
It is tilting rotor wing unmanned aerial vehicle, the utility model embodiment is not especially limited this.
Generally speaking, the case where being different from the prior art, the propeller hub for the folding propeller that the utility model embodiment provides
Including the first surface and second surface being oppositely arranged, the first surface is filled towards the driving being connect with the folding propeller
It sets, the second surface deviates from the driving device, and each blade is mounted on described the by a corresponding connector
Two surfaces, to only include a contact surface between blade and propeller hub, rubbing for one contact surface of adjustment is only needed when carrying out mode transfer
It wipes power and can be adjusted the rotary damping between blade and propeller hub, facilitate mode transfer, be conducive to mass production, reduce production cost.
Further, in the utility model embodiment, the propeller hub of the folding propeller further includes being set to described second
The boss on surface, also, one end that each blade is connect with the propeller hub is extended with convex edge, and the convex edge is overlapped on described
On boss, to, in the folding propeller high speed rotation, the one end that can be connect blade with propeller hub by convex edge and boss
The power born is disperseed to propeller hub, without be arranged in propeller hub clamp structure also can guarantee the folding propeller at work can
By property.
It should be noted that giving the preferable implementation of the utility model in the specification and its attached drawing of the utility model
Example, still, the utility model can be realized by many different forms, however it is not limited to which this specification is described to be implemented
Example, not as the additional limitation to the utility model content, purpose of providing these embodiments is makes to this reality these embodiments
Understanding with novel disclosure is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed not upper
The various embodiments that face is enumerated are accordingly to be regarded as the range of the utility model specification record；Further, to ordinary skill
For personnel, it can be modified or changed according to the above description, and all these modifications and variations should all belong to this practicality newly
The protection domain of type appended claims.
Claims (22)
1. a kind of folding propeller, which is characterized in that described including propeller hub, at least two blades and at least two connectors
Propeller hub is for installing the folding propeller to driving device, wherein
The propeller hub includes the first surface and second surface being oppositely arranged, and the first surface is towards the driving device, institute
It states second surface and deviates from the driving device；
Each blade is mounted on the second surface by a corresponding connector, and each blade is equal
It can be rotated relative to the propeller hub.
2. folding propeller according to claim 1, which is characterized in that the propeller hub include main part and at least two with
The clinch of the main part connection, the main part and the clinch include two surfaces being oppositely arranged, the master
One surface in body portion connect to form the first surface with a surface of the clinch, another table of the main part
Face connect to form the second surface with another surface of the clinch；
The clinch is corresponded with the blade and the connector, and the clinch passes through the connection with the blade
Part is pivotally connected.
3. folding propeller according to claim 2, which is characterized in that each blade includes articulated section, Mei Gesuo
It states articulated section to be overlapped on a corresponding clinch, and is pivotally connected by a connector and the clinch.
4. folding propeller according to claim 3, which is characterized in that the lower surface of the articulated section and second table
Face contacts.
5. folding propeller according to claim 3, which is characterized in that the propeller hub further includes being set to second table
The boss in face；
It is extended with convex edge on each articulated section, the convex edge is overlapped on the boss.
6. folding propeller according to claim 5, which is characterized in that the lower surface of the convex edge is upper with the boss
Surface contacts.
7. folding propeller according to claim 3, which is characterized in that the propeller hub further includes being set to second table
The boss in face；
It is extended with convex edge on each articulated section, the convex edge is located at the top of the boss, when the folding propeller quilt
When the driving device drives and rotates, the convex edge is contacted with the upper surface of the boss.
8. folding propeller according to claim 5-7 any one of them, which is characterized in that the cross section of the boss is in ring
Shape.
9. according to claim 5-7 any one of them fold propeller, which is characterized in that the center line of the boss with it is described
The center line of the rotation axis of driving device overlaps.
10. folding propeller according to claim 5-7 any one of them, which is characterized in that the quantity of the boss is two.
11. folding propeller according to claim 10, which is characterized in that the cross section semicircular in shape or square of the boss
Shape.
12. folding propeller according to claim 5-7 any one of them, which is characterized in that the convex edge is in arc-shaped.
13. folding propeller according to claim 3-7 any one of them, which is characterized in that at least two clinch is equal
It is formed with through-hole；
At least two articulated section corresponds to the through-hole and is formed with mounting hole；
The connector is threaded through in the mounting hole and the through-hole, and the blade is installed on the clinch.
14. folding propeller according to claim 13, which is characterized in that each connector is supported including first
Portion, the second support division and the interconnecting piece for connecting first support division and second support division；
First support division is supported towards the surface of second support division with the first surface；
Second support division is supported with the blade away from the side of the clinch towards the surface of first support division；
The interconnecting piece is threaded through in the mounting hole and the through-hole.
15. folding propeller according to claim 14, which is characterized in that the blade by way of injection molding with
The connector is fixedly connected, and the propeller hub is pivotally connected with the connector.
16. folding propeller according to claim 15, which is characterized in that the interconnecting piece is equipped with annular groove, described
Annular protrusion is equipped in mounting hole, the annular protrusion is arranged in the annular groove.
17. folding propeller according to claim 15, which is characterized in that second support division includes teeth portion, described
Blade corresponds to the teeth portion and is provided with limiting slot, and the teeth portion is arranged in the limiting slot.
18. folding propeller according to claim 14, which is characterized in that the propeller hub by way of injection molding with
The connector is fixedly connected, and the blade is pivotally connected with the connector.
19. folding propeller according to claim 18, which is characterized in that the interconnecting piece is equipped with annular groove, described
Annular protrusion is equipped in through-hole, the annular protrusion is arranged in the annular groove.
20. folding propeller according to claim 18, which is characterized in that first support division includes teeth portion, described
Propeller hub corresponds to the teeth portion and is provided with limiting slot, and the teeth portion is arranged in the limiting slot.
21. a kind of Power Component, which is characterized in that including：Driving device, and, be mounted on the driving device on as power
Profit requires 1-20 any one of them to fold propeller.
22. a kind of unmanned plane, which is characterized in that including Power Component as claimed in claim 21.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721786042.8U CN207758997U (en) | 2017-12-19 | 2017-12-19 | A kind of folding propeller, Power Component and unmanned plane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721786042.8U CN207758997U (en) | 2017-12-19 | 2017-12-19 | A kind of folding propeller, Power Component and unmanned plane |
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| CN207758997U true CN207758997U (en) | 2018-08-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891968A (en) * | 2017-12-19 | 2018-04-10 | 深圳市道通智能航空技术有限公司 | One kind folds propeller, Power Component and unmanned plane |
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2017
- 2017-12-19 CN CN201721786042.8U patent/CN207758997U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107891968A (en) * | 2017-12-19 | 2018-04-10 | 深圳市道通智能航空技术有限公司 | One kind folds propeller, Power Component and unmanned plane |
| WO2019119877A1 (en) * | 2017-12-19 | 2019-06-27 | 深圳市道通智能航空技术有限公司 | Foldable propeller, power component, and unmanned aerial vehicle |
| CN107891968B (en) * | 2017-12-19 | 2024-06-07 | 深圳市道通智能航空技术股份有限公司 | Folding screw, power component and unmanned aerial vehicle |
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Address after: 518055 Guangdong city of Shenzhen province Nanshan District Xili Street Xueyuan Road No. 1001 Chi Yuen Building 9 layer B1 Patentee after: Shenzhen daotong intelligent Aviation Technology Co.,Ltd. Address before: 518055 Guangdong city of Shenzhen province Nanshan District Xili Street Xueyuan Road No. 1001 Chi Yuen Building 9 layer B1 Patentee before: AUTEL ROBOTICS Co.,Ltd. |