CN109952248A - A kind of folding paddle and unmanned vehicle - Google Patents

A kind of folding paddle and unmanned vehicle Download PDF

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Publication number
CN109952248A
CN109952248A CN201780066005.6A CN201780066005A CN109952248A CN 109952248 A CN109952248 A CN 109952248A CN 201780066005 A CN201780066005 A CN 201780066005A CN 109952248 A CN109952248 A CN 109952248A
Authority
CN
China
Prior art keywords
blade
paddle
limit
paddle holder
holder
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.)
Pending
Application number
CN201780066005.6A
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Chinese (zh)
Inventor
徐文康
邱健达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SZ DJI Technology Co Ltd
Original Assignee
SZ DJI Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SZ DJI Technology Co Ltd filed Critical SZ DJI Technology Co Ltd
Publication of CN109952248A publication Critical patent/CN109952248A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C11/00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/02Hub construction
    • B64C11/04Blade mountings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C11/00Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16Blades
    • B64C11/20Constructional features
    • B64C11/28Collapsible or foldable blades

Abstract

A kind of folding paddle and unmanned vehicle, the folding paddle includes: paddle holder (1), and for installing blade (3), the blade (3) can be unfolded or fold relative to the paddle holder (1);It further include position-limit mechanism (2), for limiting rotation of the blade (3) relative to the paddle holder (1) when the blade (3) the paddle holder (1) relatively is unfolded.Folding paddle can make blade (3) be maintained at expanded position after deployment, reduce the abrasion between blade (3) and paddle holder (1), and overall structure function is reliable, operation is facilitated to be also easy to realize.

Description

A kind of folding paddle and unmanned vehicle Technical field
The present invention relates to unmanned vehicle technical fields, more specifically, in particular to a kind of folding paddle and unmanned vehicle.
Background technique
Rotor on unmanned vehicle provides lift and thrust for unmanned vehicle, is the key element of unmanned vehicle.Paddle is folded due to occupying little space after its folding, has the characteristics that be widely used on unmanned vehicle convenient for storage, transport.Currently, folding the blade of paddle can generally be freely rotated around the shaft on the paddle folder for folding paddle, the centrifugal force expansion that blade generates when pressing from both sides high speed rotation by paddle.But fold paddle at work, especially during motor drives paddle folder acceleration or deceleration rotation, blade can deviate expanded position.Therefore, commonly folding paddle can swing near expanded position during the work time, will lead to blade and paddle folder (or gasket on paddle folder) abrasion after working long hours to make the performance decline for folding paddle and shorten the service life for folding paddle.
Summary of the invention
It is an object of the invention to solve technical problem of the existing technology, a kind of folding paddle and the unmanned vehicle with it are provided, the abrasion between blade and paddle holder can be reduced, extends the service life for folding paddle.
In order to solve posed problems above, the technical solution adopted by the present invention are as follows:
The present invention provides a kind of folding paddle, and the folding paddle includes: blade, paddle holder and the position-limit mechanism being mounted on the paddle holder, wherein
The paddle holder, for installing blade, the blade can be unfolded relative to the paddle holder or It folds;
The position-limit mechanism, for limiting rotation of the blade relative to the paddle holder when the blade paddle holder relatively is unfolded.
Further, the position-limit mechanism, the rotation for being also used to release blade in the case where being applied external force relative to the paddle holder limits, so that blade can be folded relative to the paddle holder.
Further, the position-limit mechanism includes limiting section and elastomeric element, and the limiting section includes limit operation portion, and the blade includes blade main body and the limit inserts for being mounted on blade body end;
When the blade paddle holder relatively is unfolded, the elastomeric element supports the limiting section so that the limit inserts of the limit operation portion and blade forms limit cooperation, to limit rotation of the blade relative to paddle holder.
Further, when the limiting section is applied external force, the elastomeric element for supporting the limiting section is cooperated by compressing with releasing the limit that the limit inserts of the limit operation portion and blade is formed, so that the rotation for releasing blade relative to the paddle holder limits.
Further, the limit inserts includes limiting slot;When the blade paddle holder relatively is unfolded, the elastomeric element supports the limiting section so that the limit operation portion protrudes into the limiting slot, to limit rotation of the blade relative to paddle holder.
Further, when the limiting section is applied external force, the elastomeric element for supporting the limiting section is compressed, and the limit operation portion is exited from the limiting slot, so that the rotation for releasing the blade relative to the paddle holder limits.
Further, the limiting slot is the limiting slot being obliquely installed relative to pivot center, wherein the shaft is the shaft that the blade is rotated relative to the paddle holder;
The limit operation portion is the inclined wedge cooperated with the limiting slot.
Further, the limit inserts further includes the arc sliding surface with inclined wedge cooperation;
When the blade paddle holder relatively folds, the inclined wedge is supported under the action of elastomeric element on the arc sliding surface.
Further, the paddle holder includes upper paddle holder and lower paddle holder, and upper paddle holder and lower paddle press from both sides Seat is oppositely arranged, wherein the blade is installed on the upper paddle holder and lower paddle holder by connector.
Further, the lower paddle holder includes mounting portion;The mounting portion is used to limit the limiting section stroke mobile to the upper paddle holder direction;
One effect end of the elastomeric element supports the limiting section, another effect end of the elastomeric element supports the lower paddle holder.
Further, the paddle holder further includes locking plate, and blind hole is respectively set on the locking plate and the limiting section, wherein the blind hole on the locking plate is corresponding with the blind hole position on the limiting section;One effect end of the elastomeric element supports the blind hole into the limiting section, another effect end of the elastomeric element is supported into corresponding blind hole on the locking plate.
Further, the limiting section further includes for receiving the limit press section for being applied the external force.
Further, the upper paddle holder includes through-hole corresponding with the limit press section.
Further, the blade main body and the limit inserts are integrally formed.
The present invention also provides a kind of unmanned vehicle, the folded paddle including folding any one of described above.
Compared with prior art, the beneficial effects of the present invention are:
A kind of folding paddle and unmanned vehicle provided in the present invention, the folding paddle limits blade reliably to it after deployment by position-limit mechanism, keep it in expanded position, in the use process of folding stand, the abrasion between blade and paddle holder can be reduced, to extend the service life for folding paddle;In addition, the structure for entirely folding paddle is simple, compact layout, appearance is also succinct.
Detailed description of the invention
Fig. 1 is the axonometric drawing that the present invention folds paddle.
Fig. 2 is the explosive view that the present invention folds paddle.
Fig. 3 is the partial sectional view that the present invention folds paddle.
Fig. 4 is the B-B cross-sectional view of Fig. 3.
Fig. 5 is the C-C cross-sectional view of Fig. 3.
Fig. 6 is the structural schematic diagram that the present invention folds upper paddle holder in paddle.
Fig. 7 is the structural schematic diagram that the present invention folds lower paddle holder in paddle.
Fig. 8 is the structural schematic diagram of limiting section in position-limit mechanism of the present invention.
Fig. 9 is the structural schematic diagram that inserts is limited in the present invention.
Figure 10 is another implementation example figure of limiting section in the present invention.
Description of symbols:
1- paddle holder
2- position-limit mechanism
3- blade
The upper paddle holder of 11-
Paddle holder under 12-
13- connector
The upper interconnecting piece of 111-
The upper locking part 112-
1111- through-hole
The upper shaft-jointed hole of 1121-
Interconnecting piece under 121-
Locking part under 122-
1211- type chamber
Shaft-jointed hole under 1221-
21- limiting section
22- elastomeric element
211- limits operation portion
212- limits press section
The protrusion 213-
14- locking plate
141- counterbore
142- blind hole
31- blade main body
32- limits inserts
The auxiliary section 321-
322- inserts portion
323- arc-shaped slot
324- shaft hole
3221- limiting slot
3222- arc sliding surface
51- Upper gasket
52- lower gasket
8- screw
9- nylon column
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.Presently preferred embodiments of the present invention is given in attached drawing.But the invention can be realized in many different forms, however it is not limited to embodiment described herein.It is made the disclosure of the present invention more thorough and comprehensive on the contrary, purpose of providing these embodiments is.
Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.Term as used herein in the specification of the present invention, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.
As shown in fig.1, a kind of folding paddle provided by the invention, including paddle holder 1, position-limit mechanism 2 and blade 3, the paddle holder 1 is for installing blade 3, and the blade 3 is relative to the paddle holder 1 can be unfolded or fold.When in use, blade 3 can be in unfolded state relative to the paddle holder 1 to the folding paddle;When not in use, blade 3 can reduce the occupied space for folding paddle relative to the paddle holder 1 in folded state.
The position-limit mechanism 2 is used to limit rotation of the blade 3 relative to the paddle holder 1 when the blade 3 paddle holder 1 relatively is unfolded.In this way, in the use process for folding paddle, it is possible to reduce the abrasion between blade 3 and paddle holder 1 extends the service life for folding paddle.
The position-limit mechanism 2 is also used to release blade 3 in the case where being applied external force and limits relative to the rotation of the paddle holder 1, so that the blade 1 can be folded relative to the paddle holder 3.When no longer needing using paddle is folded, user can apply active force to position-limit mechanism 2, and the rotation for releasing blade 3 relative to the paddle holder 1 limits, and can fold up blade 3 in this way, fold the occupied space of paddle when not in use to reduce.
Refering to shown in Fig. 2~9, the position-limit mechanism 2 includes limiting section 21 and elastomeric element 22, and the limiting section 2 includes limit operation portion 211, and the blade 3 includes blade main body 31 and the limit inserts 32 for being mounted on blade body end;
When the blade 3 paddle holder 1 relatively is unfolded, the elastomeric element 22 supports the limiting section 21 so that the limit inserts 32 of the limit operation portion 212 and blade 3 forms limit cooperation, to limit rotation of the blade 3 relative to paddle holder 1.When the blade 3 paddle holder 1 relatively is unfolded, elastomeric element 22 supports the limiting section 21, enable and form limit cooperation between the limit operation portion 211 of limiting section 21 and limit inserts 32, the limit cooperation is for limiting rotation of the blade 3 relative to paddle holder 1.
When the limiting section 21 is applied external force, the elastomeric element 22 for supporting the limiting section 21 is cooperated by compressing with releasing the limit that the limit inserts 32 of the limit operation portion 211 and blade 3 is formed, so that the rotation for releasing blade 3 relative to the paddle holder 1 limits.When no longer needing using paddle is folded, user can apply active force to limiting section 21, at this time, supporting the elastomeric element 22 on limiting section 21 can be compressed, limiting section 21 can be moved along the compressed direction of elastomeric element 22, in this way, credit union's quilt is matched in the limit between the limit operation portion 211 on limiting section 21 and limit inserts 32 It releases, after releasing limit cooperation, blade 3 can be rotated relative to paddle holder 1 to realize and fold.
In certain embodiments, the limit inserts 32 includes limiting slot 3221;When the blade 3 paddle holder 1 relatively is unfolded, the elastomeric element 22 supports the limiting section 21 so that the limit operation portion 211 protrudes into the limiting slot 3221, limit cooperation is formed between limiting slot 3221 on the limit operation portion 211 and limit inserts 32, to limit rotation of the blade 3 relative to paddle holder 1.
When the limiting section 21 is applied external force, the elastomeric element 22 for supporting the limiting section 21 is compressed, limiting section 21 is moved along the compressed direction of elastomeric element 22, at this time, the limit operation portion 211 is exited from the limiting slot 3221, so that the rotation for releasing the blade 3 relative to the paddle holder 1 limits.
Further, the limiting slot 3221 on the limit inserts 32 is the limiting slot being obliquely installed relative to pivot center, wherein the shaft axis is the axis that the blade 3 is rotated relative to the paddle holder 1.The limit operation portion 211 is the inclined wedge cooperated with the limiting slot 3221, and when blade 3 is unfolded relative to paddle holder 1, under the action of elastomeric element 22, inclined wedge protrudes into limiting slot 3221 to form limit cooperation.
Further, the limit inserts 32 further includes the arc sliding surface 3222 with inclined wedge cooperation.When the blade 3 paddle holder 1 relatively folds, the inclined wedge is supported under the action of elastomeric element 22 on the arc sliding surface 3222.The arc sliding surface 3221 can be set at the both ends of limiting slot 3221, under the effect of external force, limit between inclined wedge and limiting slot 3221, which cooperates, to be released, and user can fold up blade 3, and the inclined wedge is supported under the action of elastomeric element 22 on the arc sliding surface 3222;When user wants, and blade is unfolded, user can operate blade 3, it during blade 3 is unfolded, can be slided on arc sliding surface 3222 by the inclined wedge that elastomeric element 22 supports, until inclined wedge protrudes into limiting slot 3221 so that inclined wedge and limiting slot 3221 form limit cooperation.
Further, the limit inserts 32 further includes the auxiliary section 321 and inserts portion 322 with 31 end of blade main body cooperation, the auxiliary section 321 connect with the inserts portion 322 and is formed the arc-shaped slot 323 with blade body end cooperation, is provided with the limit in the inserts portion 322 Position slot 3221 and the arc sliding surface 3222.In the present embodiment, the auxiliary section 321 is cylindrical body, and certainly, shape can be selected arbitrarily.
In certain embodiments, the limit inserts 32 includes convex extension part, the limit operation portion 211 can be limiting slot, when the blade 3 paddle holder 1 relatively is unfolded, the elastomeric element 22 supports the limiting section 21 so that the convex extension part of the limit inserts 32 protrudes into the limit operation portion 211, it limits operation portion 211 and limits and form limit cooperation between the convex extension part on inserts 32, to limit rotation of the blade 3 relative to paddle holder 1.
When the limiting section 21 is applied external force, the elastomeric element 22 for supporting the limiting section 21 is compressed, limiting section 21 is moved along the compressed direction of elastomeric element 22, at this time, the convex extension part of the limit inserts 22 is exited from the limit operation portion 211, so that the rotation for releasing the blade 3 relative to the paddle holder 1 limits.
The paddle holder 1 includes upper paddle holder 11 and lower paddle holder 12, the upper paddle holder 11 and the lower paddle holder 12 are oppositely arranged, and form the installation space for installing the blade 3, wherein the blade 3 is installed on the upper paddle holder 11 and lower paddle holder 12 by connector 13.
Further, the upper paddle holder 11 includes upper interconnecting piece 111 and upper locking part 112, wherein upper interconnecting piece 111 is one, the upper locking part 112 is two.The upper interconnecting piece 111 is located at the middle part of the upper paddle holder 11, and two upper locking parts 112 are symmetrically positioned in the two sides of the upper interconnecting piece 111.
Further, lower paddle holder 12 includes lower locking part 122 corresponding with upper locking part 112, wherein, connector 13 can sequentially pass through locking part 112, blade 3 and lower locking part 122, and blade 3 is installed on upper paddle holder 11 and lower paddle holder 12 in this way.
Specifically, the upper locking part 112 includes upper shaft-jointed hole 1121, and the lower locking part 122 includes lower shaft-jointed hole 1221, and the lower shaft-jointed hole 1221 is corresponding with upper 1121 position of shaft-jointed hole.The connector 13 sequentially passes through the upper shaft-jointed hole 1121, the blade 3 and the lower shaft-jointed hole 1121, and the blade 3 is mounted between the upper paddle holder 11 and lower paddle holder 12.
The blade main body 31 is connect with the auxiliary section 321, and the two is machined with shaft hole 324 respectively, Can the rotate pivot center of axis hole 324 of the blade main body 31 is rotated.For the shaft hole 324 between the upper shaft-jointed hole 1121 and lower shaft-jointed hole 1221, three position is corresponding and is equipped with connector 13.The connector 13 sequentially passes through paddle holder 11, blade main body 31, limit inserts 32 and the lower paddle holder 12.In the present embodiment, the connector 13 is between paddle folder screw, with the lower paddle holder 12 to be threadedly engaged, and rest part is optical axis, and the blade main body 31 can be rotated around the optical axis portion of connector 13.
Upper gasket 51 is set between the upper paddle holder 11 and the blade main body 31, lower gasket 52 is set between the limit inserts 32 and the lower paddle holder 12, for reducing between the upper paddle holder 11 and the blade main body 31, friction is generated between the limit inserts 32 and the lower paddle holder 12, to guarantee that blade 3 reliably can be unfolded or fold with respect to paddle holder 1.
The connector 13 is equipped with nylon column 9 close to the end sleeve of thread segment, and the nylon column 9 is located in the lower shaft-jointed hole 1221, causes blade 3 to generate loosening for preventing the connector 13 from generating loosening.
It is appreciated that the blade main body 31 and the limit inserts 32 can be structure as a whole in other embodiment.
Further, the limiting section 21 further includes for receiving the limit press section 212 for being applied the external force.When user, which needs that paddle will be folded, to be folded, limit press section 212 can be pressed to release the rotation of blade 3 and paddle holder 1 and limit.Further, the upper paddle holder 11 includes through-hole 1111 corresponding with the limit press section 212, wherein user can be pressed by 1111 pairs of limit press sections 212 of the through-hole.
Specifically, in the present embodiment, the through-hole 1111 be can be set in the upper interconnecting piece 111, and the through-hole 1111 is arc-shaped through-hole close to the both ends of the upper locking part 112, the middle part of the through-hole 1111 is rectangular through-hole, is cambered surface transition between the arc-shaped through-hole and the rectangular through-hole.It is appreciated that in other embodiments, the shape of the through-hole 1111 needs arbitrarily to select according to installation, it can be the arbitrary shapes such as rectangular, rectangle, ellipse, circle.
The lower paddle holder 12 further includes the lower interconnecting piece 121 for connecting lower locking part 122, wherein Lower interconnecting piece 121 is one, and the lower locking part 122 is two.The lower interconnecting piece 121 is located at the middle part of the lower paddle holder 12, and two lower locking parts 122 are symmetrically positioned in the two sides of the lower interconnecting piece 121.The lower interconnecting piece 121 is corresponding with upper 111 position of interconnecting piece, and the lower locking part 122 and 112 position of upper locking part are corresponding.
Further, the limiting section 21 can be installed on lower interconnecting piece 121, specifically, lower interconnecting piece 121 may include type chamber 1211, wherein, the type chamber 1211 can paddle holder 11 upwards direction protrusion, limiting section 21 can be slidingly attached on the type chamber 12111.Wherein, at least part of limiting section 21 can be set in type chamber 2111, and the interior shape of the type chamber 1211 can match with the outer shape of the limiting section 21.
Since the limiting section 21 can move back and forth on the inside of the type chamber 1211 along upper 11 direction of paddle holder, the limiting section 21 is skidded off from the type chamber 1211 in order to prevent, the lower paddle holder 12 further includes position-arresting part (not showing on figure), for limiting the limiting section 21 stroke mobile to upper 11 direction of paddle holder.In the present embodiment, the position-arresting part is the step surface or protrusion that 1214 inner wall of type chamber is formed.In other embodiments, the position-arresting part can also be located at the inner wall of the through-hole 1111.
The limiting section 21 further includes the protrusion 213 with position-arresting part cooperation, and the protrusion 213 is located at the side of the limit operation portion 211.When the limiting section 21 is moved along upper 11 direction of paddle holder, the protrusion 213 end face opposite with the upper paddle holder 11 resists the position-arresting part, to limit the stroke that the limiting section 21 is moved along upper 11 direction of paddle holder.
The paddle holder 1 further includes locking plate 14, and the locking plate 14 is oppositely arranged along away from upper 11 direction of paddle holder with the lower paddle holder 12.The locking plate 14 includes counterbore 141, sequentially passes through corresponding mounting hole on the counterbore 141 and the lower paddle holder 12 using screw 8, the locking plate 14 is connected on the lower paddle holder 12.
It is machined with blind hole 142 respectively on the limiting section 21 and the opposite end face of the locking plate 14, elastomeric element 22 is set in the blind hole 142, one effect end of the elastomeric element 22 supports the blind hole into the limiting section 21, another effect end of the elastomeric element 22 is supported into the lock The corresponding blind hole 142 of piece 14.When the blade 3 paddle holder 1 relatively is unfolded, the elastomeric element 22 supports the limiting section 21 so that the limit operation portion 211 and blade 3 form limit cooperation, to limit rotation of the blade 3 relative to paddle holder 1.In the present embodiment, the elastomeric element 22 uses spring, and the quantity of the elastomeric element 22 is consistent with the quantity of blind hole 142 on the limiting section 21 and the locking plate 14, can be one or more, quantity is increased or decreased according to actual needs.
It is understood that, in other embodiment, institute's limiting section 21 can also be using more assembling parts together, refering to fig. 1 shown in 0, the limiting section 21 includes the first limiting section 231, the second limiting section 232 and third limiting section 233, wherein first limiting section 231 is located at middle part, and second limiting section 232 and third limiting section 233 are located at 231 two sides of the first limiting section, and three is machined with blind hole respectively and is provided with elastomeric element 22.Second limiting section 232 and third limiting section 233 and the limit inserts 32 cooperate, and first limiting section 231 cooperates with the position-arresting part.Between first limiting section 231 and second limiting section 232, between first limiting section 231 and third limiting section 233 by way of boss and step surface cooperation, limit the stroke that second limiting section 232 is moved with third limiting section 233 along the upper paddle holder 11.When first limiting section 231 is applied external force, first limiting section 231 is respectively acting on the second limiting section 232 and third limiting section 233, releases the cooperation of the two with the limit inserts 32, so that the rotation for releasing blade 3 relative to the paddle holder 1 limits.
The present invention also provides a kind of unmanned vehicles, using above-mentioned documented folding paddle.
In the present invention, the folding paddle makes blade 3 be maintained at expanded position after deployment by position-limit mechanism 2, can reduce the abrasion between blade 3 and paddle holder 1 in this way.The position-limit mechanism 2 realizes limit using the cooperation of inclined wedge and limiting slot, and the fit system of use is simple, reliably is also easy to realize.And terminate folding paddle using rear, by compressed spring, so that inclined wedge is exited limiting slot again reliably can easily be unlocked the position-limit mechanism 2, so that paddle folding will be folded.
In the present invention, it is described fold paddle each section construction profile, can guarantee fold paddle entirety structure simply, tailored appearance;The matching relationship and layout of Each part can guarantee to fold paddle function It is compact-sized, small and exquisite and save installation space while realization.
The above embodiment is a preferred embodiment of the present invention; but embodiment of the present invention are not limited by the above embodiments; other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention; it should be equivalent substitute mode, be included within the scope of the present invention.

Claims (28)

  1. A kind of folding paddle, which is characterized in that the folding paddle includes: blade, paddle holder and the position-limit mechanism being mounted on the paddle holder, wherein
    The paddle holder, for installing blade, the blade can be unfolded or fold relative to the paddle holder;
    The position-limit mechanism, for limiting rotation of the blade relative to the paddle holder when the blade paddle holder relatively is unfolded.
  2. Folding paddle according to claim 1, which is characterized in that the position-limit mechanism, the rotation for being also used to release blade in the case where being applied external force relative to the paddle holder limits, so that blade can be folded relative to the paddle holder.
  3. Folding paddle according to claim 2, which is characterized in that the position-limit mechanism includes limiting section and elastomeric element, and the limiting section includes limit operation portion, and the blade includes blade main body and the limit inserts for being mounted on blade body end;
    When the blade paddle holder relatively is unfolded, the elastomeric element supports the limiting section so that the limit inserts of the limit operation portion and blade forms limit cooperation, to limit rotation of the blade relative to paddle holder.
  4. Folding paddle according to claim 3, it is characterized in that, when the limiting section is applied external force, the elastomeric element for supporting the limiting section is cooperated by compressing with releasing the limit that the limit inserts of the limit operation portion and blade is formed, so that the rotation for releasing blade relative to the paddle holder limits.
  5. Folding paddle according to claim 4, which is characterized in that the limit inserts includes limiting slot;When the blade paddle holder relatively is unfolded, the elastomeric element supports the limiting section so that the limit operation portion protrudes into the limiting slot, to limit rotation of the blade relative to paddle holder.
  6. Folding paddle according to claim 5, which is characterized in that
    When the limiting section is applied external force, the elastomeric element for supporting the limiting section is compressed, and the limit operation portion is exited from the limiting slot, so that the rotation for releasing the blade relative to the paddle holder limits.
  7. Folding paddle according to claim 6, which is characterized in that
    The limiting slot is the limiting slot being obliquely installed relative to pivot center, wherein the shaft axis is the axis that the blade is rotated relative to the paddle holder;
    The limit operation portion is the inclined wedge cooperated with the limiting slot.
  8. Folding paddle according to claim 7, which is characterized in that the limit inserts further includes the arc sliding surface with inclined wedge cooperation;
    When the blade paddle holder relatively folds, the inclined wedge is supported under the action of elastomeric element on the arc sliding surface.
  9. Folding paddle according to claim 4, which is characterized in that the paddle holder includes upper paddle holder and lower paddle holder, and upper paddle holder and lower paddle holder are oppositely arranged, wherein the blade is installed on the upper paddle holder and lower paddle holder by connector.
  10. Folding paddle according to claim 9, which is characterized in that the lower paddle holder includes position-arresting part;The position-arresting part is used to limit the limiting section stroke mobile to the upper paddle holder direction;
    One effect end of the elastomeric element supports the limiting section, another effect end of the elastomeric element supports the lower paddle holder.
  11. Folding paddle according to claim 1, which is characterized in that the paddle holder further includes locking plate, and blind hole is respectively set on the locking plate and the limiting section, wherein the blind hole on the locking plate is corresponding with the blind hole position on the limiting section;One effect end of the elastomeric element supports the blind hole into the limiting section, another effect end of the elastomeric element is supported into corresponding blind hole on the locking plate.
  12. Folding paddle according to claim 9, which is characterized in that the limiting section further includes for receiving the limit press section for being applied the external force.
  13. Folding paddle according to claim 12, which is characterized in that the upper paddle holder includes through-hole corresponding with the limit press section.
  14. Folding paddle according to claim 2, which is characterized in that the blade main body and the limit inserts are integrally formed.
  15. A kind of unmanned vehicle, which is characterized in that including folding paddle, the folding paddle includes blade, paddle holder and the position-limit mechanism being mounted on the paddle holder,
    The paddle holder, for installing blade, the blade can be unfolded or fold relative to the paddle holder;
    The position-limit mechanism, for limiting rotation of the blade relative to the paddle holder when the blade paddle holder relatively is unfolded.
  16. Unmanned vehicle according to claim 15, which is characterized in that the position-limit mechanism, the rotation for being also used to release blade in the case where being applied external force relative to the paddle holder limits, so that blade can be folded relative to the paddle holder.
  17. Unmanned vehicle according to claim 16, which is characterized in that the position-limit mechanism includes limiting section and elastomeric element, and the limiting section includes limit operation portion, and the blade includes blade main body and the limit inserts for being mounted on blade body end;
    When the blade paddle holder relatively is unfolded, the elastomeric element supports the limiting section so that the limit inserts of the limit operation portion and blade forms limit cooperation, to limit rotation of the blade relative to paddle holder.
  18. Unmanned vehicle according to claim 17, it is characterized in that, when the limiting section is applied external force, the elastomeric element for supporting the limiting section is cooperated by compressing with releasing the limit that the limit inserts of the limit operation portion and blade is formed, so that the rotation for releasing blade relative to the paddle holder limits.
  19. Unmanned vehicle according to claim 18, which is characterized in that the limit inserts includes limiting slot;When the blade paddle holder relatively is unfolded, the elastomeric element supports the limiting section so that the limit operation portion protrudes into the limiting slot, to limit blade relative to paddle The rotation of holder.
  20. Unmanned vehicle according to claim 19, which is characterized in that
    When the limiting section is applied external force, the elastomeric element for supporting the limiting section is compressed, and the limit operation portion is exited from the limiting slot, so that the rotation for releasing the blade relative to the paddle holder limits.
  21. Unmanned vehicle according to claim 20, which is characterized in that
    The limiting slot is the limiting slot being obliquely installed relative to pivot center, wherein the shaft axis is the axis that the blade is rotated relative to the paddle holder;
    The limit operation portion is the inclined wedge cooperated with the limiting slot.
  22. Unmanned vehicle according to claim 21, which is characterized in that the limit inserts further includes the arc sliding surface with inclined wedge cooperation;
    When the blade paddle holder relatively folds, the inclined wedge is supported under the action of elastomeric element on the arc sliding surface.
  23. Unmanned vehicle according to claim 18, which is characterized in that the paddle holder includes upper paddle holder and lower paddle holder, and upper paddle holder and lower paddle holder are oppositely arranged, wherein the blade is installed on the upper paddle holder and lower paddle holder by connector.
  24. Unmanned vehicle according to claim 23, which is characterized in that the lower paddle holder includes position-arresting part;The position-arresting part is used to limit the limiting section stroke mobile to the upper paddle holder direction;
    One effect end of the elastomeric element supports the limiting section, another effect end of the elastomeric element supports the lower paddle holder.
  25. Unmanned vehicle according to claim 15, which is characterized in that the paddle holder further includes locking plate, and blind hole is respectively set on the locking plate and the limiting section, wherein the blind hole on the locking plate is corresponding with the blind hole position on the limiting section;One effect end of the elastomeric element supports the blind hole into the limiting section, another effect end of the elastomeric element is supported into corresponding blind hole on the locking plate.
  26. Unmanned vehicle according to claim 23, which is characterized in that the limiting section further includes for receiving the limit press section for being applied the external force.
  27. Unmanned vehicle according to claim 26, which is characterized in that the upper paddle holder includes through-hole corresponding with the limit press section.
  28. Unmanned vehicle according to claim 16, which is characterized in that the blade main body and the limit inserts are integrally formed.
CN201780066005.6A 2017-10-31 2017-12-07 A kind of folding paddle and unmanned vehicle Pending CN109952248A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2017214352700 2017-10-31
CN201721435270.0U CN207875978U (en) 2017-10-31 2017-10-31 A kind of folding paddle and unmanned vehicle
PCT/CN2017/115030 WO2019085150A1 (en) 2017-10-31 2017-12-07 Foldable propeller, and unmanned aerial vehicle

Publications (1)

Publication Number Publication Date
CN109952248A true CN109952248A (en) 2019-06-28

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112455672A (en) * 2020-12-15 2021-03-09 广州极飞科技有限公司 Screw subassembly and unmanned aerial vehicle
CN112706917B (en) * 2021-01-15 2023-12-05 郑州金创工程设计有限公司 Rotor unmanned aerial vehicle screw subassembly is used in survey and drawing
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
CN116812193B (en) * 2023-08-31 2023-12-08 北京卓翼智能科技有限公司 Stop gear and unmanned aerial vehicle folding oar

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3240995A1 (en) * 1982-11-03 1984-05-03 Hoffmann Fluzeugbau Friesach GmbH, 9322 Friesach Motor-glider
US6308632B1 (en) * 1998-11-23 2001-10-30 James E. Shaffer Deployable folded propeller assembly for aerial projectiles
CN102069907A (en) * 2010-09-16 2011-05-25 孙为红 Device for fixing rotor angle of rotorcraft
CN203921188U (en) * 2014-07-08 2014-11-05 无锡荡口通和纺织机械厂 Launch gathering formula propeller arrangement
CN205022849U (en) * 2015-10-08 2016-02-10 安阳市豪克科技发展有限责任公司 Folding oar with limit structure
CN105501360A (en) * 2014-09-27 2016-04-20 陈榛 Handlebar folding mechanism
CN205675232U (en) * 2016-04-13 2016-11-09 深圳市大疆创新科技有限公司 Oar folder, folding oar, power suit and unmanned plane

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014141154A1 (en) * 2013-03-14 2014-09-18 Aeryon Labs Inc. Folding propellers system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3240995A1 (en) * 1982-11-03 1984-05-03 Hoffmann Fluzeugbau Friesach GmbH, 9322 Friesach Motor-glider
US6308632B1 (en) * 1998-11-23 2001-10-30 James E. Shaffer Deployable folded propeller assembly for aerial projectiles
CN102069907A (en) * 2010-09-16 2011-05-25 孙为红 Device for fixing rotor angle of rotorcraft
CN203921188U (en) * 2014-07-08 2014-11-05 无锡荡口通和纺织机械厂 Launch gathering formula propeller arrangement
CN105501360A (en) * 2014-09-27 2016-04-20 陈榛 Handlebar folding mechanism
CN205022849U (en) * 2015-10-08 2016-02-10 安阳市豪克科技发展有限责任公司 Folding oar with limit structure
CN205675232U (en) * 2016-04-13 2016-11-09 深圳市大疆创新科技有限公司 Oar folder, folding oar, power suit and unmanned plane

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