CN210707876U - Quick-release blade structure of unmanned aerial vehicle - Google Patents

Abstract

Unmanned aerial vehicle quick detach paddle structure, including screw subassembly and connecting axle, the screw subassembly includes connecting seat and paddle, the tip of connecting axle is provided with the card and holds the head, the connecting seat bottom is provided with the bottom plate, the bottom plate lower part be provided with to the connecting seat inside sunken and with the card is held the head complex and is inserted the position, still be provided with on the bottom plate with the position is held to card holding head complex card, the card is held the position and is located insert position both sides and insert and be provided with between the position and make the card hold the head from inserting the breach that the position screw in card was held the position, still be provided with the elastic component in the connecting seat, the card is held the head top and is touched the elastic component and the. The utility model provides an unmanned aerial vehicle quick detach paddle structure, its quick detach simple structure can realize the integral erection and the dismantlement of screw subassembly through pressing the rotation.

Description

Quick-release blade structure of unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned aerial vehicle field, in particular to unmanned aerial vehicle quick detach paddle structure.

Background

The propeller is a device which rotates in the air or water by virtue of blades and converts the rotating power of an engine into lift force or propulsive force, and two or more blades can be connected with a propeller hub. At present, the technology of the domestic unmanned aerial vehicle is rapidly developed, and more propeller aircrafts enter people's lives.

The utility model with the application number of CN201820637707.7 discloses a blade quick-release structure, which comprises a motor, a blade clamp locking block and a mandril bracket component; the paddle clamp locking block is sleeved on an output shaft of the motor; at least two first cylinders extend from the surface of one side, far away from the motor, of the paddle clamp locking block, and the first cylinders are used for fixing the paddles; the ejector rod bracket component comprises a bracket body; the bracket body is sleeved on the paddle clamp locking block to be matched with the paddle clamp locking block to fix the paddle. The disclosed paddle quick detach structure of this patent, it includes the more complicated ejector pin support of structure, relies on support body and oar to press from both sides the cooperation locking paddle of locking piece moreover, and the installation and the dismantlement of its paddle still are more troublesome.

Disclosure of Invention

To the above problem, the utility model provides an unmanned aerial vehicle quick detach paddle structure, its quick detach simple structure can realize the integral erection and the dismantlement of screw subassembly through pressing the rotation.

The utility model provides an unmanned aerial vehicle quick detach paddle structure, including screw subassembly and connecting axle, the screw subassembly includes connecting seat and paddle, the tip of connecting axle is provided with the card and holds the head, the connecting seat bottom is provided with the bottom plate, be provided with on the bottom plate to the connecting seat inside sunken and with the card is held the head complex and is inserted the position, still be provided with on the bottom plate with the card is held head complex card and is held the position, the card is held the position and is located insert position both sides and insert and be provided with between the position and make the card hold the head from inserting the breach that the position screw in card was held to the position, still be provided with the elastic component in the connecting seat, the card is held the head and is touched the elastic component and the.

Preferably, a protrusion is arranged on one side, close to the clamping position, of the end portion of the clamping head, and a positioning block matched with the protrusion is arranged in the inserting position.

Preferably, the upper part of the bottom plate is provided with a raised limiting block, a clamping position is formed between the limiting blocks, and the limiting block close to the inserting position is positioned at the position of the inserting position and the clamping position gap.

Preferably, the surface of the limiting block at the position of the notch on the side close to the insertion position inclines towards the clamping position.

Preferably, the bottom plate is provided with an elastic element seat, the elastic element seat is positioned at the upper part of an insertion position on the bottom plate, the elastic element seat is provided with an elastic element hole, the elastic element hole is communicated with the insertion position, and the elastic element is positioned in the elastic element hole.

Preferably, the elastic member is a spring, the elastic member hole is a through hole, a detachable connecting seat cover is arranged outside the elastic member seat, and an extension section extending to the outside of the elastic member hole is arranged at the tail end of the upper portion of the spring.

Preferably, the elastic element seat is cylindrical, the elastic element hole is a circular through hole arranged on the elastic element seat, and the elastic element seat is fixedly connected with the bottom plate through a rib plate

Preferably, the paddle is a straight paddle.

Preferably, the paddle and the connecting seat are integrally formed.

Preferably, a clamping section is further arranged on the connecting shaft and located at the lower part of the clamping head.

After the technical scheme is adopted, the utility model discloses following beneficial effect has:

the utility model provides an unmanned aerial vehicle quick detach paddle structure, its simple structure, through set up on the connecting seat with the connecting axle correspond insert the position and hold the position with the card, set up the elastic component, press down the rotation and can realize that screw assembly's dark commentaries on classics is fixed, press down the rotation equally and can wholly dismantle screw assembly, under the combined action of the effort of elastic component and the lifting force of paddle, realize that screw assembly can firmly fix with the connecting axle, rotate soon more fixed firm. On this basis, the locating piece and the corresponding arch that set up on the card head are held, can realize restriction and location to the direction of rotation when the installation, indicate the correct direction of rotation. The setting of stopper can make the user feel whether to have and rotate to the position when the installation, and the surface of stopper in the breach position sets up the slope face, can reduce the resistance. The paddle adopts straight paddle and is integrated into one piece with the connecting seat, and it is stronger to have a wind-resistant ability, and efficiency is higher, shakes advantages such as little. The elastic component adopts the spring, sets up the extension section at the end of spring, can make the spring can not follow the downthehole slippage of elastic component when installation and dismantlement, prevents that the spring from losing.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent in light of the detailed description of the preferred embodiments of the present invention as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is an overall view of a rapid-release blade structure of an unmanned aerial vehicle according to a preferred embodiment of the present invention;

fig. 2 is an overall bottom view (with a part of the blade cut) of the rapid-release blade structure of the unmanned aerial vehicle according to the preferred embodiment of the present invention;

fig. 3 is an internal view of the quick release blade structure (with a part of the blade cut out) after the connection seat cover is removed in the preferred embodiment of the present invention:

FIG. 4 is a view showing an internal structure of a connecting seat according to a preferred embodiment of the present invention;

FIG. 5 is a bottom structure view of the connecting seat according to the preferred embodiment of the present invention;

FIG. 6 is a structural view of a connecting shaft according to a preferred embodiment of the present invention;

reference numerals: 1 propeller component, 11 connecting seat, 111 bottom plate, 1111 limit block, 112 inserting position, 1121 locating block, 113 clamping position, 114 gap, 12 blades, 13 elastic element, 131 extension section, 14 elastic element seat, 141 elastic element hole, 15 rib plate, 16 connecting seat cover, 2 connecting shaft, 21 clamping head, 211 protrusion and 22 clamping section.

Detailed Description

The technical solution of the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

Referring to fig. 1-6, the utility model provides an unmanned aerial vehicle quick detach paddle structure, including screw subassembly 1 and connecting axle 2, connecting axle 2 and unmanned aerial vehicle's screw motor fixed connection, the output shaft of connecting axle 2 and motor can adopt bolt fixed connection or adopt modes fixed connection such as shaft coupling. The propeller assembly 1 comprises a connecting seat 11 and blades 12, a clamping head 21 is arranged at the end part of the connecting shaft 2, a bottom plate 111 is arranged at the bottom of the connecting seat 11, an inserting position 112 which is sunken towards the inside of the connecting seat 11 and matched with the clamping head 21 can be arranged at the lower part of the bottom plate 111, and the inserting position 112 is used for entering and positioning the clamping head 21. The insertion position 112 is disposed in cooperation with the retaining head 21, i.e. the shapes and sizes of the insertion position 112 and the retaining head 21 can correspond to each other, and the insertion position 112 can be slightly larger than the retaining head 21, so that the retaining head 21 can be conveniently put in. Then, a holding position 113 that is engaged with the holding head 21 may be disposed on the upper portion of the bottom plate 111, and the shape of the holding position 113 may be configured to be engaged with the shape of the holding head 21, for example, if a boss is disposed on the holding head 21, the holding position 113 may be configured with a corresponding groove to be engaged therewith to achieve holding and fixing. The retaining position 113 can also be integrally formed into a groove shape, or a protrusion can be formed on the bottom plate 111 to form a corresponding retaining position. The holding position 113 is located at two sides of the insertion position 112, and a notch 114 is arranged between the holding position 113 and the insertion position 112, which can enable the holding head 21 to be screwed into the holding position 113 from the insertion position 112, and when the holding head 21 is placed into the insertion position 112, the holding head can enter the holding position 113 through the notch 114 by rotation to realize holding and fixing. The connecting seat 11 is further provided with an elastic part 13, the clamping head 21 pushes against the elastic part 13 and is clamped in the clamping position 113, namely the clamping head 21 needs to compress the elastic part 13 upwards to deform the elastic part when entering the clamping position 113 so as to enter the clamping position 113, so that after the clamping head 21 enters the clamping position 113, the clamping head 21 can also be pressed downwards by the elastic part 13, when the paddle 12 rotates, the connecting seat 11 can be subjected to an upward traction force, so that the connecting shaft 2 is pressed downwards, the connecting seat 11 is lifted upwards, the propeller assembly 1 and the connecting shaft 2 are firmly fixed by interaction, and the paddle 12 is fixed tighter and tighter when the rotating speed is higher. When the propeller is installed, the clamping head 21 is placed in the clamping position 113, the connecting base 11 is pressed downwards to compress the elastic member 13, the connecting base 11 is rotated in the preset direction, the clamping head 21 enters the clamping position 113 through the gap 114 between the clamping position 113 and the inserting position 112 to realize clamping and fixing, and the propeller assembly 1 and the connecting shaft 2 are firmly fixed under the combined action of the pressure of the elastic member 13 and the lifting force of the blades 12. The utility model provides an unmanned aerial vehicle quick detach paddle 12 structure is simple structure not only, and fixed mode is swift moreover, and fixed effect is firm.

In a preferred embodiment, the connecting shaft 2 is further provided with a clamping section 22, the clamping section 22 is located at a lower portion of the clamping head 21, and the clamping section 22 may be in a shape of a hexagon nut, so that a corresponding wrench can be used to clamp and rotate the connecting shaft 2. Because the connecting shaft 2 and the motor on the horn can adopt threaded connection, the setting of centre gripping section 22 can make things convenient for the installation and the dismantlement of connecting shaft 2 like this, in addition when the screw subassembly 1 is installed to swivelling joint seat 11, can prevent connecting shaft 2 to rotate together through the spanner centre gripping to easy to assemble.

In a preferred embodiment, a protrusion 211 is disposed at a side of the end of the clamping head 21 close to the clamping position 113, and a positioning block 1121 disposed to cooperate with the protrusion 211 is disposed in the insertion position 112. A gap 114 is arranged between the clamping position 113 and the inserting position 112, and the connecting base 11 needs to rotate the clamping head 21 along a preset direction to enter the clamping position 113 from the inserting position 112 through the gap 114, so that a protrusion 211 is arranged at one side of the end of the clamping head 21 in the rotation direction, a positioning block 1121 is arranged at a corresponding position in the inserting position 112, the clamping head 21 can be screwed into the clamping position 113 by rotating the connecting base 11 along the preset rotation direction, and the protrusion 211 can be blocked by rotating the positioning block 1121 in the opposite direction, so that the anti-reverse function is realized. When the connecting seat 11 is sleeved on the clamping head 21, due to the fact that the view is shielded, positioning can be carried out less well, the limiting block 1111 and the protrusion 211 are arranged, a certain positioning effect can be achieved, whether the alignment position exists or not can be known through rotation, and mounting is facilitated.

In a preferred embodiment, the upper portion of the bottom plate 111 is provided with protruding stoppers 1111, a retaining position 113 is formed between the stoppers 1111, the retaining head 21 is fixed by the stoppers 1111 at both sides after being screwed into the retaining position 113, the stopper 1111 near the insertion position 112 is located at the position of the gap 114 between the insertion position 112 and the retaining position 113, and the retaining head 21 needs to go over the stoppers 1111 to enter the retaining position 113 when being screwed in, so that the retaining head 21 touches the stopper 1111 at this side when being screwed in, and the hand can feel when passing over the stopper 1111. In a further preferred embodiment, the surface of the stop 1111 at the notch 114 is inclined toward the retaining position 113 at a side close to the insertion position 112, i.e. a slope, so that it is easier to screw the retaining head 21 into the stop 1111.

In a preferred embodiment, the bottom plate 111 is provided with an elastic member seat 14, the elastic member seat 14 is located above an insertion position 112 on the bottom plate 111, the elastic member seat 14 is provided with an elastic member hole 141, the elastic member hole 141 is communicated with the insertion position 112, and the elastic member 13 is located in the elastic member hole 141. That is, the elastic member seat 14 is disposed on the bottom plate 111 recessed to form the insertion position 112, and the elastic member hole 141 is disposed in the elastic member seat 14 for placing the elastic member 13, the elastic member hole 141 is communicated with the insertion position 112, that is, the elastic member hole 141 penetrates through the bottom plate 111 at the lower position of the elastic member seat 14, so that the elastic member 13 can extend from the elastic member hole 141 to the insertion position 112, and the elastic member 13 needs to be compressed to deform to be screwed into the holding position 113 when the holding head 21 is screwed into the holding position 113 from the insertion position 112. The elastic element seat 14 is arranged to fix and guide the elastic element 13.

In the preferred embodiment, the elastic member 13 is a spring, but the elastic member 13 may be another elastic expansion member such as a cylinder made of elastic material, and the like, and the spring is most common and has good elasticity. The elastic member hole 141 is a through hole, that is, the upper portion of the elastic member hole 141 is also through, and then the detachable connecting seat cover 16 is arranged outside the elastic member seat 14, and the connecting seat cover 16 is covered, so that the elastic member 13 can be abutted against the connecting seat cover 16 when being compressed. The extension section 131 extending to the outside of the elastic piece hole 141 is arranged at the tail end of the upper portion of the spring, so that the spring can be hung outside the elastic piece hole 141 and cannot fall out when the spring is vertically placed, the propeller assembly 1 is convenient to install, and the spring is not easy to lose. Furthermore, the elastic element seat 14 is cylindrical, the elastic element hole 141 is a circular through hole formed in the elastic element seat 14, the elastic element seat 14 is fixedly connected with the bottom plate 111 through the rib plate 15, the rib plate 15 can increase the strength of the elastic element 13 and the strength of the whole connecting seat 11, and in addition, part of the rib plate 15 can also serve as a limiting block 1111 at one side of the clamping position 113, so that the rib plate 15 is fully utilized.

In a preferred embodiment, the paddle 12 is integrally formed with the connecting seat 11. The paddle 12 and the connecting seat 11 are integrally formed, so that the overall strength of the propeller assembly 1 can be improved, the number of components is reduced, and the propeller assembly is more quickly mounted and dismounted.

In the preferred embodiment, the blades 12 are straight blades 12. Compared with the folding paddle 12, the straight paddle 12 has the advantages of stronger wind resistance, higher efficiency, small vibration and the like, so the flying effect is better than that of the folding paddle 12.

The utility model provides an unmanned aerial vehicle quick detach paddle structure, its simple structure, through set up on the connecting seat with the connecting axle correspond insert the position and hold the position with the card, set up the elastic component, press down the rotation and can realize that screw assembly's dark commentaries on classics is fixed, press down the rotation equally and can wholly dismantle screw assembly, under the combined action of the effort of elastic component and the lifting force of paddle, realize that screw assembly can firmly fix with the connecting axle, rotate soon more fixed firm. On this basis, the locating piece and the corresponding arch that set up on the card head are held, can realize restriction and location to the direction of rotation when the installation, indicate the correct direction of rotation. The setting of stopper can make the user feel whether to have and rotate to the position when the installation, and the surface of stopper in the breach position sets up the slope face, can reduce the resistance. The paddle adopts straight paddle and is integrated into one piece with the connecting seat, and it is stronger to have a wind-resistant ability, and efficiency is higher, shakes advantages such as little. The elastic component adopts the spring, sets up the extension section at the end of spring, can make the spring can not follow the downthehole slippage of elastic component when installation and dismantlement, prevents that the spring from losing.

The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. Unmanned aerial vehicle quick detach paddle structure, its characterized in that includes screw subassembly and connecting axle, the screw subassembly includes connecting seat and paddle, the tip of connecting axle is provided with the card and holds the head, the connecting seat bottom is provided with the bottom plate, be provided with on the bottom plate to the connecting seat inside sunken and with the card is held the head complex and is inserted the position, still be provided with on the bottom plate with the card of holding head complex is held the position, the card is held the position and is located insert position both sides and with insert and be provided with between the position and make the card hold the head from inserting the breach that the position screw in was held to the position, still be provided with the elastic component in the connecting seat, the card is held the head top and is touched the elastic component and is.

2. The quick release blade structure of unmanned aerial vehicle as claimed in claim 1, wherein the end of the clamping head is provided with a protrusion on a side close to the clamping position, and a positioning block is provided in the insertion position and is engaged with the protrusion.

3. The quick release blade structure of unmanned aerial vehicle as claimed in claim 1, wherein the bottom plate is provided with protruding limiting blocks at an upper portion thereof, a clamping position is formed between the limiting blocks, and the limiting blocks near the inserting position are located at the inserting position and the clamping position gap.

4. The quick release blade structure of unmanned aerial vehicle as claimed in claim 3, wherein the surface of the limiting block at the position of the gap is inclined toward the retaining position at a side close to the insertion position.

5. The quick release blade structure of unmanned aerial vehicle as claimed in claim 1, wherein the bottom plate is provided with an elastic member seat, the elastic member seat is located at an upper portion of an insertion position on the bottom plate, the elastic member seat is provided with an elastic member hole, the elastic member hole is communicated with the insertion position, and the elastic member is located in the elastic member hole.

6. The quick release blade structure of unmanned aerial vehicle as claimed in claim 5, wherein the elastic member is a spring, the elastic member hole is a through hole, a detachable connection seat cover is provided outside the elastic member seat, and an extension section extending to the outside of the elastic member hole is provided at the upper end of the spring.

7. The quick release blade structure of an unmanned aerial vehicle according to claim 6, wherein the elastic member seat is cylindrical, the elastic member hole is a circular through hole formed in the elastic member seat, and the elastic member seat is fixedly connected with the bottom plate through a rib plate.

8. The quick release blade structure of unmanned aerial vehicle as claimed in claim 1, wherein the blade is a straight blade.

9. The quick release blade structure of an unmanned aerial vehicle as claimed in claim 1, wherein the blade and the connecting seat are integrally formed.

10. The quick release blade structure of an unmanned aerial vehicle as claimed in claim 1, wherein the connecting shaft is further provided with a clamping section, and the clamping section is located at a lower portion of the clamping head.

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