CN107108028B

CN107108028B - Oar presss from both sides, folding oar, power suit and unmanned aerial vehicle

Info

Publication number: CN107108028B
Application number: CN201680004279.8A
Authority: CN
Inventors: 丘力; 吴旭民; 吴晓龙
Original assignee: SZ DJI Technology Co Ltd
Current assignee: SZ DJI Technology Co Ltd
Priority date: 2016-04-13
Filing date: 2016-04-13
Publication date: 2020-05-26
Anticipated expiration: 2036-04-13
Also published as: CN107108028A; WO2017177406A1

Abstract

A paddle clip (11) of a folding paddle for holding a blade (15) of a folding paddle, the paddle clip (11) comprising: an upper paddle clamp (101); the lower paddle clamp (103) is arranged opposite to the upper paddle clamp (101) at intervals; a clamping space for clamping a connecting end (151) of the paddle is formed between the upper paddle clamp (101) and the lower paddle clamp (103); a spacer (17) that abuts between a connection end (151) of the blade and at least one of the upper paddle clip (101) and the lower paddle clip (103); the spacer (17) provides an elastic abutting force to the connecting end (151) of the paddle so that the paddle clip (11) elastically clamps the paddle (15). The invention further relates to a folding paddle, a power set and an unmanned aerial vehicle.

Description

Oar presss from both sides, folding oar, power suit and unmanned aerial vehicle

Technical Field

The invention relates to the field of unmanned aerial vehicles, in particular to a paddle clamp of a folding paddle, the folding paddle, a power set with the folding paddle and an unmanned aerial vehicle using the power set.

Background

The propeller on the unmanned aerial vehicle is a key element of the unmanned aerial vehicle, and the propeller is used for converting the rotation of a rotating shaft in a motor or an engine of the unmanned aerial vehicle into thrust or lift force. In the use process of the propeller in the prior art, the abrasion between the propeller clamp and the propeller blade is large, and the propeller blade is easy to loosen, so that the noise is large.

Disclosure of Invention

In view of the above, there is a need for a foldable paddle clip, a foldable paddle, a power kit and an unmanned aerial vehicle that solve the above problems.

A paddle clip for a folding paddle for holding a blade of the folding paddle, the paddle clip comprising:

a paddle mounting clamp;

the lower paddle clamp is arranged opposite to the upper paddle clamp at an interval; a clamping space for clamping the connecting end of the paddle is formed between the upper paddle clamp and the lower paddle clamp;

a spacer abutting between a connection end of the blade and at least one of the upper paddle clip and the lower paddle clip;

wherein, the distance piece provides an elasticity butt force for the link of paddle to make the oar press from both sides the elasticity centre gripping the paddle.

A folding paddle, comprising:

a paddle including a connecting end; and

the oar presss from both sides for the centre gripping the paddle, the oar press from both sides including last oar, with go up the oar and press from both sides lower oar clamp and the distance piece that the relative interval set up, go up the oar press from both sides with down form the centre gripping space that is used for the link of centre gripping paddle between the oar clamp, the distance piece butt is in the link of paddle with go up the oar press from both sides and reach down between at least one in the oar clamp, the distance piece provides an elasticity and supports the relay and give the link of paddle, so that the oar presss from both sides elasticity centre gripping the paddle.

A power kit, comprising:

a drive member; and

folding oar is fixed in on the driving piece, press from both sides including paddle and oar, the paddle includes the link, the oar press from both sides including last oar, with go up the oar press from both sides lower oar that the relative interval set up and press from both sides and the distance piece, go up the oar press from both sides with down form the centre gripping space that is used for the link of centre gripping paddle between pressing from both sides, the distance piece butt is in the link of paddle with go up the oar press from both sides and reach down between at least one in the oar presss from both sides, the distance piece provides an elasticity butt and gives the link of paddle, so that the oar presss from both sides elasticity centre gripping the paddle.

An unmanned aerial vehicle, comprising:

a body;

the machine arm is connected to the machine body; and

the power suit, connect in the horn is kept away from the tip of fuselage, the power suit includes the driving piece and is fixed in folding oar on the driving piece, folding oar includes paddle and oar clamp, the paddle includes the link, the oar press from both sides including last oar, with go up the lower oar clamp that the relative interval of oar clamp set up and distance piece, go up the oar press from both sides with down form the centre gripping space that is used for the link of centre gripping paddle between the oar clamp, the distance piece butt is in the link of paddle with go up the oar clamp and reach between at least one in the lower oar clamp, the distance piece provides an elasticity and supports the relay and gives the link of paddle, so that the oar presss from both sides elasticity centre gripping the paddle.

Compared with the prior art, according to the paddle clamp, the folding paddle, the power set and the unmanned aerial vehicle provided by the invention, the distance piece is abutted between the connecting end of the paddle and at least one of the upper paddle clamp and the lower paddle clamp, and an elastic abutting force is provided for the connecting end of the paddle, so that the paddle clamp elastically clamps the paddle, the paddle is prevented from loosening, and the problem of high noise is avoided.

Drawings

Fig. 1 is a perspective view of a folding paddle according to an embodiment of the present invention.

Fig. 2 is a top view of the folding paddle of fig. 1.

Fig. 3 is a sectional view taken along line III-III in fig. 1.

Fig. 4 is a perspective view of a drone provided in an embodiment of the present invention.

Description of the main elements

Folding paddle 10

Oar clamp 11

Oar clamp shaft 13

Blade 15

Spacer 17

Coupling portion 111

Connecting part 114

Upper paddle clamp 101

Lower paddle clip 103

Upper coupling 1111

Upper connecting part 1141

Upper locking part 1171

Upper facing surface 1011

Upper diverging surface 1012

Coupling boss 1112

Upper shaft connecting hole 1113

Receiving groove 1142

Upper connecting convex column 1143

Upper connection hole 1144

Locking boss 1172

Upper locking hole 1173

Lower fixing part 104

Lower connecting part 1145

Lower facing surface 1031

Lower back off plane 1032

Lower connecting convex column 1146

Lower connection hole 1147

Fixing column 1041

Top surface 1042

Lower shaft connecting hole 1115

Locking groove 1175

Lower locking aperture 1176

Positioning slot 1043

Connecting end 151

Blade 153

Connecting hole 1511

Gasket set 171

Elastic member 173

Shim 1711

Through

holes

1712, 1732

Coupling groove 1731

Unmanned plane 100

Body 20

Fuselage 21

Arm 22

Power suit 30

Driving member 31

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, 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. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

In addition, the terms of up, down, etc. in the present embodiment are referred to the folding paddle after the folding paddle is mounted to the aircraft and the normal operating attitude of the aircraft, and should not be considered as limiting.

Referring to fig. 1 to 3, a folding paddle 10 according to an embodiment of the present invention includes a paddle clip 11 and a paddle 15. The paddle holder 11 is used to hold the paddle 15.

Specifically, in the present embodiment, the paddle clip 11 includes an upper paddle clip 101, a lower paddle clip 103, a paddle clip shaft 13, and a spacer 17. The lower paddle clamp 103 is fixedly connected with the upper paddle clamp 101. The upper paddle clamp 101 and the lower paddle clamp 103 are arranged at intervals relatively. A clamping space for clamping the connecting end of the paddle 15 is formed between the upper paddle clamp 101 and the lower paddle clamp 103.

The oar presss from both sides axle 13 and wears to establish spacer 17 and paddle 15, and the both ends of oar press from both sides axle 13 and go up the oar respectively and press from both sides 101, lower oar and press from both sides 103 and be connected, with the paddle 15 with the oar presss from both sides 11 and is connected, and will spacer 17 sets up the paddle 15 with between the oar presss from both sides 11.

The paddle clip 11 includes a coupling portion 111 and a coupling portion 114. In the present embodiment, there is one shaft coupling portion 111 and two coupling portions 114. The coupling portion 111 is located at the middle of the paddle holder 11. The connecting portions 114 are located at opposite ends of the paddle clip 11. The connecting portion 114 is centrally symmetrical with respect to the shaft coupling portion 111. The coupling portion 111 is used to connect the folding paddle 10 to a driving member. The connecting portion 114 is used to connect the paddle clip 11 with the paddle 15.

It is understood that in other embodiments, the number of the connecting portions 114 may also vary according to the number of the blades 15, for example, the number of the connecting portions 114 may be three, four or other numbers, and preferably, a plurality of connecting portions are centered on the center of the shaft connecting portion 111, and every two adjacent connecting portions 114 are spaced by the same arc.

The upper paddle clip 101 includes an upper coupling portion 1111, an upper coupling portion 1141, and an upper locking portion 1171. Specifically, in the illustrated embodiment, there is one upper coupling portion 1111, and there are two upper coupling portions 1141 and two upper locking portions 1171. The upper coupling portion 1111 is located at the middle of the upper paddle holder 101. The upper connecting portions 1141 are located at opposite ends of the upper paddle holder 101. The upper fastening parts 1171 are located at both sides of the upper connecting part 1111 and between the two upper connecting parts 1141. Specifically, the upper locking portion 1171 and the upper connecting portion 1141 are respectively symmetric with respect to the center of the upper connecting portion 1111.

It is understood that in other embodiments, the number of the upper connecting portions 1141 may be multiple, and every two adjacent upper connecting portions 1141 are spaced by the same arc with the center of the upper connecting portion 1111 as the center of the circle. The upper locking portions 1171 correspond to the upper connecting portions 1141 one to one.

The upper paddle clamp 101 includes opposing upper facing surfaces 1011 and upper facing away surfaces 1012.

The upper coupling portion 1111 includes a coupling boss 1112 protruding from the upper facing surface 1011 to a direction away from the upper facing surface 1012. The coupling boss 1112 has an upper coupling hole 1113 formed in an axial direction. The upper connecting hole 1113 is a blind hole penetrating through the surface of the shaft coupling boss 1112 departing from the upper deviating surface 1012.

The upper connecting portion 1141 includes a receiving groove 1142 recessed from the upper facing surface 1011 toward the upper facing surface 1012. An upper connecting convex column 1143 is convexly arranged in the middle of the containing groove 1142 from the bottom surface thereof to the direction away from the upper deviating surface 1012. The upper connecting boss 1143 is axially provided with an upper connecting hole 1144. The upper connecting hole 1144 is a blind hole penetrating through the surface of the upper connecting convex column 1143 deviating from the upper deviating surface 1012.

The upper locking portion 1171 includes a locking protrusion 1172 protruding from the upper facing surface 1011 to a position away from the upper facing surface 1012. The locking boss 1172 is axially provided with an upper locking hole 1173. The upper locking hole 1173 is a through hole that extends through the upper surface 1012 facing away from the upper surface 1012 and the locking post 1172 facing away from the upper surface 1012. In this embodiment, the upper locking hole 1173 is a two-step hole. The upper locking hole 1173 has a larger aperture proximate to the upper diverging surface 1012 than it has a larger aperture distal to the upper diverging surface 1012. In this embodiment, the height of the locking protrusion 1172 protruding from the upper facing surface 1011 is greater than the height of the coupling protrusion 1112 protruding from the upper facing surface 1011.

The lower paddle clip 103 includes a lower fixing portion 104 and a lower connecting portion 1145. In this embodiment, there are one lower fixing portion 104 and two lower connecting portions 1145. The lower fixing portion 104 is located at the middle of the lower paddle holder 103. The lower connecting portions 1145 are located at opposite ends of the lower paddle clamp 103. The lower connecting portion 1145 is centrally symmetrical with respect to the lower fixing portion 104. The lower connecting portion 1145 is disposed opposite to the upper connecting portion 1141 to constitute the connecting portion 114. The lower fixing portion 104 is disposed opposite to the upper coupling portion 1111 to constitute the coupling portion 111.

It is understood that, in other embodiments, the number of the lower connecting portions 1145 may be multiple, and every two adjacent lower connecting portions 1145 are spaced by the same arc with the center of the lower fixing portion 104 as the center of the circle.

The lower paddle clip 103 includes opposing lower facing surfaces 1031 and lower facing away surfaces 1032. The lower facing surface 1031 is disposed opposite to the upper facing surface 1011.

The lower connecting portion 1145 includes a lower connecting protrusion 1146 protruding from the lower facing surface 1031 to a direction away from the lower facing surface 1032. The lower connecting boss 1146 is axially provided with a lower connecting hole 1147. The lower connection hole 1147 is a through hole penetrating through the lower surface 1032 and the surface of the lower connection stud 1146 departing from the lower surface 1032. The lower connecting protruding pillar 1146 corresponds to the upper connecting protruding pillar 1143. The lower connection holes 1147 are aligned with the upper connection holes 1144.

It is understood that in other embodiments, the lower connecting portion 1145 further includes a lower receiving groove recessed from the lower facing surface 1031 to the lower facing surface 1032.

The lower fixing portion 104 includes a fixing post 1041 protruding from the lower facing surface 1031 to a direction away from the lower facing surface 1032. The fixing posts 1041 include a top surface 1042 facing away from the lower facing surface 1032. The lower fixing portion 104 includes a lower coupling hole 1115 and a locking groove 1175 formed from the top surface 1042 to the downward direction away from the surface 1032. In this embodiment, there are one lower coupling hole 1115 and two locking grooves 1175. The lower coupling hole 1115 is located in the middle of the lower fixing portion 104 and aligned with the upper coupling hole 1113. The locking grooves 1175 are located on two sides of the lower shaft connecting hole 1115, and are arranged in one-to-one correspondence with the locking convex columns 1172. The lower coupling hole 1115 is a through hole penetrating through the top surface 1042 and the lower deviating surface 1032. The locking groove 1175 is used for accommodating the locking boss 1172. The diameter of the locking groove 1175 is slightly larger than the diameter of the locking post 1172. The bottom of the locking groove 1175 is provided with a lower locking hole 1176. The lower locking aperture 1176 extends through the lower facing surface 1032. The lower locking hole 1176 is disposed in alignment with the upper locking hole 1173.

The lower fixing portion 104 further includes a positioning slot 1043 opened from the lower deviating surface 1032 to the top surface 1042. In this embodiment, there are two positioning grooves. The positioning slot 1043 is located on two sides of the lower coupling hole 1115 and located between the two lower locking holes 1176. The positioning slot 1043 is used for aligning the folding paddle 10 to a driving member.

The locking boss 1172 is engaged with the locking groove 1175, and the upper locking hole 1173 and the lower locking hole 1176 are engaged with a locking member (not shown) to fix the upper paddle holder 101 and the lower paddle holder 103 to each other. In this embodiment, the locking protrusion 1172 is abutted and fixedly connected with the locking groove 1175, so as to limit the height of the clamping space, and prevent the paddle 15 from loosening due to the change of the height of the clamping space caused by the loosening of the screw when the height of the clamping space is limited by the locking of the screw.

The upper and

lower attachment holes

1113, 1115 mate with a coupling (not shown) to secure the folding paddle 10 to the drive member.

It is understood that in other embodiments, the paddle holder 11 may be a unitary structure. In this case, the upper locking portion 1171, the locking groove 1175, the lower locking hole 1176, and the locking member may be omitted.

It is understood that in other embodiments, the locking groove may be located in the upper locking portion. At this time, the locking convex column is positioned on the lower fixing part.

The number of paddle holder shafts 13 corresponds to the number of connecting portions 114. The paddle holder shaft 13 is inserted into the connecting portion 114. In this embodiment, the paddle clamp shaft 13 penetrates through the lower connection hole 1147 and extends into the upper connection hole 1144. The paddle clamp shaft 13 is in interference fit with the lower connecting hole 1147 and is in clearance fit with the upper connecting hole 1144.

The number of blades 15 may correspond to the number of connections 114. The paddle 15 is attached to the attachment portion 114 of the paddle clip 11.

The blade 15 includes a connecting end 151 and a vane 153 extending from the connecting end 151.

The attachment end 151 is connected to the attachment portion 114 to attach the blade 15 to the blade grip 11. The connecting end 151 is formed with a connecting hole 1511 corresponding to the upper connecting hole 1144 and the lower connecting hole 1147. The paddle clamp shaft 13 is further inserted into the lower connection hole 1147, the connection hole 1511, and the upper connection hole 1144, so as to connect the paddle blade 15 with the paddle clamp 11.

The spacer 17 abuts between the connecting end 151 of the blade 15 and at least one of the upper paddle holder 101 and the lower paddle holder 103. The spacer 17 provides an elastic abutting force to the attachment end 151 of the blade 15, so that the blade holder 11 elastically holds the blade 15.

In the present embodiment, the number of the spacers 17 is twice the number of the connection portions 114. The spacers 17 are located between the upper and lower sides of the blade 15 and the upper and

lower connection portions

1141 and 1145 of the paddle clip 11. The spacer 17 separates the paddle clip 11 from the paddle 15.

It is understood that in other embodiments, the number of the spacers 17 is the same as the number of the connecting portions 114. The spacers 17 correspond to the connection portions 114 one to one. The spacer 17 is located between the paddle 15 and the paddle clip 11. Specifically, the spacer 17 is located between the upper connection portion 1141 of the blade 15 and the blade clamp 11 or the lower connection portion 1145 of the blade 15 and the blade clamp 11.

The spacer 17 may include a spacer and an elastic member. The gasket can be used for reducing the friction of the paddle in the clamping space and prolonging the service life of the paddle; the elastic part is used for damping the blade and leaving an avoiding space for assembling the blade. Specifically, in the illustrated embodiment, the spacer 17 includes a set of spacers 171 and a resilient member 173.

The gasket group 171 includes two mutually attached gaskets 1711 between the blade 15 and the upper blade clamp 101 or the lower blade clamp 103. The two spacers 1711 are in contact with each other and are movable relative to each other. One of the shims 1711 can be stationary with respect to the upper paddle clamp 101 or the lower paddle clamp 103, and the other shim 1711 can be stationary with respect to the blade 15, such that the two shims 1711 rotate relative to each other when the blade 15 rotates with respect to the upper paddle clamp 101 or/and the lower paddle clamp 103. In this embodiment, one of the spacers 1711 abuts against the elastic member 173, and the other of the spacers 1711 abuts against the paddle 15. The static friction force between the shim 1711 and the elastic member 173 and the static friction force between the shim 1711 and the blade 15 are greater than the static friction force between the two shims 1711.

It is understood that in other embodiments, one of the spacers 1711 abuts against the elastic member 173, and the other spacer 1711 abuts against the upper paddle clip 101 or the lower paddle clip 103. The static friction force between the gasket 1711 and the upper paddle clamp 101 or the lower paddle clamp 103 is greater than the static friction force between the two gaskets 1711.

It is understood that in other embodiments, one of the spacers 1711 is fixedly connected to the upper paddle clip 101 or the lower paddle clip 103 by a connecting member, so that one of the spacers can be stationary with respect to the upper paddle clip 101 or the lower paddle clip 103. The other one of the shims 1711 can be fixedly connected to the blade 15 by a connector so that the other one of the shims 1711 can be stationary relative to the blade 15. It is to be understood that the fastening between the spacer 1711 and the upper paddle clip 101 or the lower paddle clip 103, or the paddle 15 is not limited to a fastening by a connector, and in other embodiments, the fastening between the spacer 1711 and the upper paddle clip 101 or the lower paddle clip 103, or the paddle 15 may be by a male-female fit, a hook-and-slot fit, or an adhesive.

In this embodiment, the gasket group 171 is closer to the attachment end 151 of the blade 15 than the elastic member 173. The elastic member 173 is closer to the connecting portion 114 of the blade holder 11 than the gasket group 171. The elastic member 173 and the gasket set 171 are attached to each other.

It is understood that in other embodiments, the resilient member 173 is closer to the attachment end 151 of the blade 15 than the set of shims 171. The gasket group 171 is closer to the connecting portion 114 of the paddle clip 11 than the elastic member 173. In this embodiment, the gasket set 171 includes two gaskets 1711 made of the same material. The shim 1711 may be made of teflon, wear-resistant metal, alloy, ceramic, or the like. It is understood that in other embodiments, the shim 1711 may be a self-lubricating shim. The gaskets 1711 are provided with through holes 1712 for the paddle clamping shaft 13 to penetrate through. The through hole 1712 is aligned with the connection hole 1511, the upper connection hole 1144 and the lower connection hole 1147. In the present embodiment, the two spacers 1711 are bonded to each other. It is understood that in other embodiments, the gasket set 171 may include a plurality of gaskets made of the same material.

It is understood that the material of the shim 1711 can be different shims.

The elastic member 173 provides an elastic abutting force to the attachment end 151 of the paddle 15, so that the paddle holder 11 elastically holds the paddle 15. The elastic member 173 is made of an elastic material. In this embodiment, the elastic member 173 is made of silicone rubber. It is understood that the elastic member 173 may also be a rubber washer, a spring plate, or other elastic structure. The elastic member 173 is received in the receiving slot 1142. The elastic member 173 includes a coupling groove 1731 coupled with the upper connection stud 1143 and/or the lower connection stud 1146. The coupling groove 1731 is engaged with the upper connecting protruding column 1143 and/or the lower connecting protruding column 1146, so as to facilitate the alignment and fixation of the elastic member 173 and the upper connecting portion 1141 and/or the lower connecting portion 1145. The bottom of the coupling groove 1731 is provided with a through hole 1732 for the paddle clamp shaft 13 to pass through. The through hole 1732 is aligned with the through hole 1712, the connection hole 1511, the upper connection hole 1144 and the lower connection hole 1147.

In the present embodiment, the static friction between the elastic member 173 and the blade clamp 11 and the gasket set 171, and the static friction between the gasket set 171 and the blade clamp 11 are both greater than the static friction between the gaskets 1711 of the gasket set 171, and the relative movement occurs between the gaskets 1711 of the gasket set 171, and the friction coefficients between the gaskets 1711 are similar, so that the wear between the blade clamp and the blade is reduced compared to the wear between the blade clamp and the blade in the prior art.

It is understood that in other embodiments, one of the pads 1711 of the set 171 of pads is fixed to the blade 15, and the other of the pads 1711 of the set 171 of pads is fixed to the blade holder 11. The elastic member 173 is fixedly connected between the paddle clamp 11 and the spacer 1711 fixed to the paddle clamp 11. It is understood that in other embodiments, the resilient member 173 may be omitted, and in this case, one of the pads of the set 171 of pads is fixed to the blade 15, and the other pad 1711 of the set 171 of pads is fixed to the blade holder 11. Since friction occurs between the shims 1711, the wear between the shims 1711 may be made less than the wear between the shims 1711 and the blades 15 or the blade clamp 11.

It is understood that in other embodiments, the number of the spacers 17 is the same as the number of the connecting portions 114. Each of the spacers 17 includes a pad set 171 and a resilient member 173. The gasket group 171 and the elastic member 173 are respectively located at upper and lower sides of the paddle 15.

Referring to fig. 4, the present embodiment further provides an unmanned aerial vehicle 100, which includes a body 20 and a power kit 30.

The body 20 includes a body 21 and a boom 22. The horn 22 is connected to the body 21.

The power suit 30 is fixed on the end of the horn 22 far away from the body 21. The power kit 30 includes the folding paddle 10 and the driving member 31. The driving member 31 is used for driving the folding paddle 10 to rotate. The driving member 31 may be a motor or an engine. The drive member 31 includes a mounting surface. The folding paddle 10 is mounted on a mounting surface of the drive member 31. The lower facing away surface 1032 of the paddle clamp 11 is in contact with the mounting surface. The paddle holder shaft 13 abuts against the mounting surface. The driving member 31 includes a shaft hole (not shown) and a locking hole (not shown) formed from the mounting surface to the inside of the driving member 31. In this embodiment, the number of the coupling holes is one, and the number of the locking holes is two. The locking holes are positioned on two sides of the shaft connecting hole. The shaft holes are aligned with the upper shaft hole 1113 and the lower shaft hole 1115. The shaft connecting holes, the lower shaft connecting hole 1115 and the upper shaft connecting hole 1113 are matched with the shaft connector so as to fix the folding paddle 10 on the driving piece. The locking holes are aligned with the lower locking hole 1176 and the upper locking hole 1173. The upper locking hole 1173, the lower locking hole 1176, and the locking holes are matched with the locking pieces to fixedly connect the upper paddle clamp 101 and the lower paddle clamp 103, and to provide assistance for fixing the folding paddle 10 on the driving member.

Compared with the prior art, the utility model provides a oar presss from both sides, folding oar, power suit and unmanned aerial vehicle, because the distance piece butt is in the link of paddle with go up the oar press from both sides and reach between at least one in the oar clamp down, the distance piece is including being located the paddle with go up the oar press from both sides or down two gaskets of laminating each other between the oar clamp, two mutual butts of gasket to can relative movement, one of them the gasket can for go up the oar press from both sides or the oar clamp is static down, and another the gasket can be static for the paddle, makes two gaskets are in the paddle for go up the oar press from both sides or/and the oar clamp rotates relative rotation down for relative rotation takes place between two gaskets, can slow down the wearing and tearing between oar clamp and the oar clamp, thereby increase of service life.

In addition, the paddle clamp is connected with the paddle through the paddle clamp shaft, the upper paddle clamp and the lower paddle clamp are abutted and fixedly connected through the convex columns and the grooves to achieve height limitation of the clamping space, and the problem that the paddle is loosened due to loosening of screws or abrasion of gaskets when the paddle clamp and the paddle are pre-tightened through the screws is solved.

In addition, due to the fact that the blades are in clearance fit with the propeller clamp shaft, in work, the lift force of the blades causes the blades to incline upwards relative to the propeller clamp shaft, bending moment is generated, the elastic piece can adapt to prying of the blades through deformation of the elastic piece, and the gaskets can be guaranteed to be evenly abraded.

In addition, because be provided with the elastic component between oar clamp and the paddle, avoided the rigid connection that paddle and oar pressed from both sides, the elastic component makes the paddle with the oar presss from both sides the tight rigid connection that links firmly, can absorb the vibrations on the paddle, reduces the noise of paddle during operation, has protected the paddle simultaneously, has prolonged the life of paddle.

It will be apparent to those skilled in the art that various other changes and modifications may be made in the invention without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. A paddle clip for a folding paddle for holding a blade of the folding paddle, the paddle clip comprising:

a paddle mounting clamp;

the distance piece provides an elastic abutting force for the connecting end of the paddle so that the paddle clamp can elastically clamp the paddle, and the distance piece comprises an elastic piece which is located in the clamping space;

the upper oar clamp comprises an upper locking part, the lower oar clamp comprises a lower locking part, and the upper locking part and the lower locking part are mutually abutted and fixedly connected to limit the height of the clamping space;

the upper locking part and the lower locking part limit the height of the clamping space in a mode of matching the convex column with the groove.

2. The paddle clip of claim 1, wherein the spacer further comprises two shims between the paddle and the upper or lower paddle clip, the shims abutting each other and being capable of relative movement.

3. A clip for a folding paddle according to claim 2, wherein one of the spacers is stationary relative to the upper or lower paddle clip and the other spacer is stationary relative to the paddle, such that the two spacers rotate relative to each other when the paddle rotates relative to the upper or lower paddle clip.

4. A folding paddle according to claim 3 wherein the stiction between the pad and the upper paddle clip or the lower paddle clip is greater than the stiction between the two pads.

5. A paddle clip according to claim 2, wherein one of the pads abuts the resilient member and the other of the pads abuts the upper paddle clip or the lower paddle clip.

6. The clip of claim 5, wherein the static friction between the pad and the resilient member is greater than the static friction between the two pads.

7. A clip for a folding paddle according to claim 2 wherein one of the spacers is fixedly connected to the upper or lower paddle clip by a connecting member or/and the other spacer is fixedly connected to the blade by a connecting member.

8. A paddle clip for a folding paddle according to claim 2, wherein the shim is a wear resistant shim or a self lubricating shim.

9. A folding paddle, comprising:

a paddle including a connecting end; and

the oar clamp is used for clamping the paddle, the oar clamp comprises an upper oar clamp, a lower oar clamp and a distance piece, the lower oar clamp and the distance piece are arranged opposite to the upper oar clamp at intervals, a clamping space used for clamping a connecting end of the paddle is formed between the upper oar clamp and the lower oar clamp, the distance piece is abutted between the connecting end of the paddle and at least one of the upper oar clamp and the lower oar clamp, the distance piece provides an elastic abutting force for the connecting end of the paddle, so that the paddle clamp elastically clamps the paddle, the distance piece comprises an elastic piece, and the elastic piece is located in the clamping space;

10. The folding paddle of claim 9, wherein the spacer further comprises two shims between the paddle and the upper paddle clip or the lower paddle clip, the two shims abutting each other and being relatively movable.

11. The folding paddle of claim 10, wherein one of the spacers is stationary relative to the upper paddle clip or the lower paddle clip and the other of the spacers is stationary relative to the paddle, such that the two spacers rotate relative to each other when the paddle rotates relative to the upper paddle clip or/and the lower paddle clip.

12. The folding paddle of claim 11, wherein the stiction between the pad and the upper paddle clip or the lower paddle clip is greater than the stiction between the two pads.

13. The folding paddle of claim 12, wherein one of the pads abuts the spring and the other of the pads abuts the upper paddle clip or the lower paddle clip.

14. The folding paddle of claim 13, wherein the static friction between the pad and the resilient member is greater than the static friction between the two pads.

15. The folding paddle of claim 10, wherein one of the spacers is fixedly attached to the upper paddle clip or the lower paddle clip by a connector, or/and the other spacer is fixedly attached to the blade by a connector.

16. The folding paddle of claim 10, wherein the shim is a wear resistant shim or a self lubricating shim.

17. A power kit, comprising:

a drive member; and

the foldable paddle is fixed on the driving piece and comprises a paddle and a paddle clamp, the paddle comprises a connecting end, the paddle clamp comprises an upper paddle clamp, a lower paddle clamp and a spacer, the lower paddle clamp and the upper paddle clamp are oppositely arranged at intervals, a clamping space used for clamping the connecting end of the paddle is formed between the upper paddle clamp and the lower paddle clamp, the spacer is abutted between the connecting end of the paddle and at least one of the upper paddle clamp and the lower paddle clamp, the spacer provides an elastic abutting force for the connecting end of the paddle, so that the paddle clamp elastically clamps the paddle, and the spacer comprises an elastic piece which is located in the clamping space;

18. The power kit of claim 17, wherein the spacer further comprises two shims located between the blade and the upper blade grip or the lower blade grip, the two shims abutting each other and being relatively movable.

19. The power kit of claim 18, wherein one of the spacers is stationary relative to the upper paddle clip or the lower paddle clip and the other of the spacers is stationary relative to the blade, such that the two spacers rotate relative to each other when the blade rotates relative to the upper paddle clip or/and the lower paddle clip.

20. The power kit of claim 19, wherein the static friction between the pad and the upper blade grip or the lower blade grip is greater than the static friction between the two pads.

21. The power kit of claim 20, wherein one of the pads abuts the resilient member and the other of the pads abuts the upper paddle clip or the lower paddle clip.

22. The power kit of claim 21, wherein a static friction between the pad and the resilient member is greater than a static friction between the two pads.

23. The power kit of claim 18, wherein one of the spacers is fixedly connected to the upper paddle clip or the lower paddle clip by a connector, or/and the other spacer is fixedly connected to the blade by a connector.

24. The power kit of claim 18, wherein the shim is a wear-resistant shim or a self-lubricating shim.

25. An unmanned aerial vehicle, comprising:

a body;

the machine arm is connected to the machine body; and

the power suit is connected to the end part, far away from the machine body, of the horn, the power suit comprises a driving part and a folding paddle fixed on the driving part, the folding paddle comprises a paddle and a paddle clamp, the paddle comprises a connecting end, the paddle clamp comprises an upper paddle clamp, a lower paddle clamp and a spacer, the lower paddle clamp and the upper paddle clamp are arranged at an interval, a clamping space used for clamping the connecting end of the paddle is formed between the upper paddle clamp and the lower paddle clamp, the spacer is abutted between the connecting end of the paddle and at least one of the upper paddle clamp and the lower paddle clamp, the spacer provides an elastic abutting force for the connecting end of the paddle, so that the paddle clamp elastically clamps the paddle, the spacer comprises an elastic part, and the elastic part is located in the clamping space;

26. The drone of claim 25, wherein the spacer further comprises two shims located between the blade and the upper paddle clip or the lower paddle clip, the two shims abutting each other and being relatively movable.

27. A drone according to claim 26, wherein one of the shims is able to be stationary relative to the upper paddle grip or the lower paddle grip, and the other shim is able to be stationary relative to the blade, such that the two shims rotate relative to each other when the blade rotates relative to the upper paddle grip or/and the lower paddle grip.

28. The drone of claim 27, wherein a static friction between the pad and the upper paddle clip or the lower paddle clip is greater than a static friction between the two pads.

29. A drone according to claim 28, wherein one of the pads abuts the resilient member and the other of the pads abuts the upper paddle clamp or the lower paddle clamp.

30. A drone according to claim 29, wherein the static friction between the pad and the resilient member is greater than the static friction between the two pads.

31. An unmanned aerial vehicle as claimed in claim 26, wherein one of the spacers is fixedly connected to the upper paddle clip or the lower paddle clip by a connector, or/and the other spacer is fixedly connected to the blade by a connector.

32. An unmanned aerial vehicle as claimed in claim 26, wherein the shims are wear-resistant shims or self-lubricating shims.