CN214824054U - Wing rotation locking mechanism and unmanned aerial vehicle with same - Google Patents

Abstract

The utility model discloses a wing rotation locking mechanism, include: go up carousel, lower carousel, torsional spring, two shell fragments, driver part and locking piece. The lower carousel rotationally sets up the lower extreme at last carousel, and the lower carousel upper surface has two recesses. The torsional spring is located the rotation center of last carousel and lower carousel, and torsional spring one end is connected with last carousel, and the torsional spring other end is connected with the lower carousel. Two shell fragments correspond with two recesses respectively, the shell fragment supports a top of withstanding the recess, the rocking arm of its output of drive unit control, can unblock carousel under with shell fragment unblock recess, torsional spring or external force and then can drive the carousel and rotate, the locking piece can be with rotating the carousel and locking under the state that the wing expandes, thereby the wing that the lockable expandes, higher security performance has, the elastic potential of torsional spring releases fast, can reach the state that the wing expandes fast, so that unmanned aerial vehicle can get into the flight state rapidly.

Description

Wing rotation locking mechanism and unmanned aerial vehicle with same

Technical Field

The utility model relates to an aircraft technical field, in particular to wing rotation locking mechanism and have its unmanned aerial vehicle.

Background

Along with the development of aviation technology, the unmanned aerial vehicle technology is mature day by day, and civil unmanned aerial vehicle's application field is more and more extensive, all has wide application prospect in fields such as aerial photography shadow, electric power inspection, environmental detection, aerial photogrammetry.

At present, wings of an unmanned aerial vehicle mainly have two common unmanned aerial vehicle structures, namely a fixed wing unmanned aerial vehicle and a multi-rotor unmanned aerial vehicle; the takeoff mode is generally rotor vertical takeoff and fixed wing running takeoff. However, the large size of the fixed-wing drone and the multi-rotor drone causes great inconvenience during their transportation; meanwhile, the requirement on the ground environment of the takeoff and landing positions is high.

Moreover, most unmanned aerial vehicles have the problems of difficult disassembly and assembly and the like, are difficult to assemble without tools and pack, and cannot adapt to the requirement of rapid takeoff. Although some unmanned aerial vehicles can realize the dismouting, but need certain assemble duration to accomplish the preparation work before taking off.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses the first aspect provides a wing rotation locking mechanism can be connected with unmanned aerial vehicle's wing simply, can expand simultaneously the wing locking also can with the wing is rotatory folding to get up to accomodate by the unmanned aerial vehicle fuselage to reduce unmanned aerial vehicle's occupation of land space.

The utility model discloses the second aspect still provides an unmanned aerial vehicle with above-mentioned wing rotation locking mechanism.

According to the utility model discloses a wing rotation locking mechanism is provided in the embodiment of first aspect, include: go up carousel, lower carousel, torsional spring, two shell fragments, locking piece and driver part. The lower rotary table is rotatably arranged at the lower end of the upper rotary table, and the upper surface of the lower rotary table is provided with two grooves. The torsional spring is located go up the carousel with the centre of rotation of carousel down, torsional spring one end with go up the carousel and be connected, the torsional spring other end with the carousel is connected down. The two elastic pieces correspond to the two grooves respectively, each elastic piece comprises a fixed portion, a movable portion and an unlocking portion, the movable portion is connected with the fixed portion, the unlocking portion is connected with the movable portion, the fixed portion is arranged on the lower surface of the upper rotary table, the movable portion extends downwards in an inclined mode and can be embedded into the grooves and abuts against the top of the grooves, the unlocking portion extends upwards and penetrates out of the upper surface of the upper rotary table, and barbs are arranged at the upper end of the unlocking portion. The locking piece is arranged on the lower surface of the lower rotary disc, and when the wing is in a unfolded state, the locking piece can lock the lower rotary disc to stop rotating. The driving part is arranged on the upper surface of the upper rotating disc, a rocker arm is arranged at the output end of the driving part, and the rocker arm is located below the barb.

According to the utility model discloses wing rotation locking mechanism has following beneficial effect at least: unmanned aerial vehicle the wing with the lower carousel is connected, and the carousel rotationally sets up down the lower extreme of going up the carousel is located go up the carousel with the centre of rotation of carousel down torsional spring one end with go up the carousel and connect, the other one end of torsional spring with the lower carousel is connected. The fixed parts of the two elastic pieces are fixedly arranged on the lower surface of the upper rotary table, the movable parts can abut against the tops of the two grooves on the upper surface of the lower rotary table, so that the lower rotary table can be locked, when the driving part drives the rocker arm to lift the barb of the unlocking part, the movable parts can leave the tops of the grooves, the elastic pieces can unlock the lower rotary table, elastic potential energy stored by the torsion spring is released, the elastic potential energy stored by the torsion spring can drive the lower rotary table to rotate at the rotation center of the lower rotary table, and the lower rotary table drives the wings to rotate; when the wing is unfolded in a rotating mode, the locking piece can lock the lower rotary disk, namely the lower rotary disk is locked in the unfolded state of the wing. This mechanism structure is simpler, and the simultaneous design is small and exquisite and nimble, and the operation is also very simple, the elastic potential energy of torsional spring releases fast, can reach the state that the wing expandes fast to make unmanned aerial vehicle can get into flight state rapidly, and unmanned aerial vehicle has been guaranteed to the locking piece the wing steadily expandes the state, ensures the stability and the security of unmanned aerial vehicle flight.

According to some embodiments of the invention, the locking piece is a spring bolt, the spring bolt comprises a spring and a bolt, the lower end of the spring bolt is provided with a link mechanism, and the link mechanism can pass through the wing.

According to some embodiments of the present invention, a sleeve is disposed in the middle of the upper turntable, and a bearing is disposed in the sleeve; the lower turntable is fixedly provided with a rotating shaft and further comprises a bearing cover; the rotating shaft is rotatably arranged in the bearing in a penetrating mode, one end of the rotating shaft is fixedly arranged at the rotating center point of the lower rotating disc, and the other end of the rotating shaft is detachably connected with the bearing cover.

According to some embodiments of the utility model the lower fixed surface of going up the carousel is provided with two stoppers, two the stopper corresponds two of carousel down the recess, the stopper can for the recess is in slide in the recess.

According to the utility model discloses a some embodiments, bearing cap edge has seted up a plurality of first mounting holes, first mounting hole is connected the one end of torsional spring.

According to some embodiments of the invention, the lower surface of the upper turntable is further provided with a baffle, and the bolt can slide on the lower surface of the baffle.

According to some embodiments of the present invention, the driving part is fixedly connected to the upper rotary table through a right-angled metal mounting block.

According to some embodiments of the invention, the drive member is a steering engine.

According to the utility model discloses an unmanned aerial vehicle of second aspect embodiment, unmanned aerial vehicle includes as above-mentioned arbitrary embodiment the rotatory locking mechanical system of wing, unmanned aerial vehicle still includes the wing, the rotatory locking mechanical system of wing is installed in unmanned aerial vehicle's the fuselage, the wing passes through the rotatory locking mechanical system of wing with unmanned aerial vehicle can dismantle the connection.

According to the utility model discloses unmanned aerial vehicle has following beneficial effect at least: the wing rotating mechanism is installed in the body of the unmanned aerial vehicle, has no protruding structure, does not influence the aerodynamic appearance of the unmanned aerial vehicle, and is beneficial to the stable flight of the unmanned aerial vehicle, and the wing is detachably connected with the unmanned aerial vehicle through the wing rotating locking mechanism, so that the unfolded wing can be safely locked, and the flight safety of the unmanned aerial vehicle is ensured; still convenient unmanned aerial vehicle's dismantlement and assembly, it is simultaneously rotatable the wing can reduce greatly unmanned aerial vehicle's occupation of land space is convenient for pack the collection and is convenient unmanned aerial vehicle's transportation.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a wing rotation locking mechanism according to an embodiment of the present invention;

FIG. 2 is an exploded view of the wing rotation lock mechanism shown in FIG. 1;

FIG. 3 is a schematic view in half section of the wing rotation lock mechanism shown in FIG. 1;

FIG. 4 is an enlarged partial schematic view of the lock of the wing rotation lock mechanism shown in FIG. 3;

FIG. 5 is a schematic view of the wing rotation lock mechanism shown in FIG. 1 from another perspective (with the upper turntable and drive components omitted);

FIG. 6 is a schematic view of the wing rotation lock mechanism shown in FIG. 1 from another perspective (with the lower disk and drive components omitted);

FIG. 7 is a schematic view of a structure of the wing rotation lock mechanism shown in FIG. 1, in which a turntable and a spring plate are engaged with each other;

FIG. 8 is a schematic structural diagram of a spring of the wing rotation locking mechanism shown in FIG. 5;

fig. 9 is a schematic structural view of an unmanned aerial vehicle wing in an unfolded state according to an embodiment of the present invention;

fig. 10 is a schematic structural view of the wing of the drone shown in fig. 9 in a stowed state.

Reference numerals:

a wing 1, a fuselage 2;

the upper turntable 10, the sleeve 11, the bearing 111, the limiting block 12, the baffle 13 and the second mounting hole 131;

the lower rotary table 20, the groove 21, the rotating shaft 22, the bearing cover 23 and the first mounting hole 231;

a torsion spring 30;

the elastic sheet 40, the fixing part 41, the movable part 42, the unlocking part 43 and the barb 431;

a driving part 50, a rocker arm 51 and a right-angle metal mounting block 52;

spring latch 60, latch 61, linkage 62, spring 63, and lock aperture 631.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

The following detailed description of the embodiments of the present invention, taken in conjunction with the accompanying drawings, is by way of illustration only and is not intended to be limiting.

In some embodiments of the present invention, referring to fig. 1-3, a wing rotation locking mechanism, comprises: the upper rotary table 10, the lower rotary table 20, the torsion spring 30, the two spring plates 40, the driving part 50 and the locking piece. The lower turntable 20 is rotatably provided at the lower end of the upper turntable 10, while the upper turntable 10 is stationary. The torsion spring 30 is positioned at the rotation center of the lower turntable 20; one end of the torsion spring 30 is connected with the upper rotary plate 10, and the other end of the torsion spring 30 is connected with the lower rotary plate 20. So that the torsion spring 30 connects the upper and lower disks 10 and 20. When the torsion spring 30 stores elastic potential energy and releases the elastic potential energy, the torsion spring 30 transmits the elastic potential energy to the lower rotary table 20 through one end connected with the lower rotary table 20 because the upper rotary table 10 is fixed, so that the lower rotary table 20 rotates under the driving of the torsion spring 30. And the lower end surface of the lower rotary table 20 is detachably connected with the wing 1, so that the lower rotary table 20 can drive the wing 1 to rotate. The locking piece sets up on carousel 20's the lower surface down, and after the rotatory back that expandes of wing 1, the locking piece can be with carousel 20 locking down, can with carousel 20 locking down under the state that the wing 1 expandes, can prevent that wing 1 from producing the phenomenon of rocking under the unmanned aerial vehicle flight state when expandeing to influence unmanned aerial vehicle's flight.

Referring to fig. 2 and 5 to 7, two grooves 21 are formed in the upper surface of the lower turntable 20, two elastic pieces 40 correspond to the two grooves 21 one by one, each elastic piece 40 includes a fixed portion 41, a movable portion 42 and an unlocking portion 43, the movable portion 42 is connected with the fixed portion 41, the unlocking portion 43 is connected with the movable portion 42, the fixed portion 41 is fixedly arranged on the lower surface of the upper turntable 10, the movable portion 42 extends obliquely downward and can be embedded into the grooves 21, the movable portion 42 extends up to the tops of the grooves 21, the unlocking portion 43 extends upward from one side of the movable portion 42 and penetrates out of the upper surface of the upper turntable 10, and a barb 431 is arranged at the upper end of the unlocking portion 43. And a rocker arm 51 connected at the output end of the driving part 50 is arranged below the barb 431, and the rocker arm 51 can rotate back and forth under the driving of the driving part 50. And the driving part 50 is installed on the upper end surface of the fixed upper turntable 10.

Referring to fig. 4, in order to make the torsion spring 30 store elastic potential energy, the top end of the movable portion 42 of the elastic piece 40 abuts against the top of the groove 21, so that the elastic piece 40 locks the lower turntable 20 to block the lower turntable 20 from rotating, and finally the purpose of blocking the torsion spring 30 and blocking the torsion spring 30 from releasing the elastic potential energy is achieved. It can be understood that, if the lower rotary disk 20 is to rotate by itself, the torsion spring 30 needs to store elastic potential energy, and at the same time, the movable portion 42 of the elastic sheet 40 needs to be lifted up, so that the movable portion 42 is separated from the top of the groove 21 of the lower rotary disk 20, and the lower rotary disk 20 can be rotated additionally by unlocking the lower rotary disk 20. Therefore, when the driving member 50 drives the swing arm 51 to rotate, the swing arm 51 can lift the unlocking portion 43 upwards, the unlocking portion 43 lifts the movable portion 42, the movable portion 42 leaves the groove 21, the elastic piece 40 unlocks the lower turntable 20, and the torsion spring 30 can drive the lower turntable 20 to rotate.

With reference to fig. 2 to 8, the following takes two processes of the wing of the unmanned aerial vehicle from the contracted state to the expanded state and from the expanded state to the contracted state as an example, and further describes the above embodiment. In order to better distinguish the two spring pieces 40 and the two grooves 21, the two spring pieces 40 are divided into a left spring piece (the left spring piece 40 in the figure) and a right spring piece (the right spring piece 40 in the figure), and the two grooves 21 are divided into a left groove (the left groove 21 in the figure) and a right groove (the right groove 21 in the figure); the left spring plate corresponds to the left groove, and the right spring plate corresponds to the right groove; the movable portion 42 of the elastic sheet 40 correspondingly abuts against the top of the groove 21, and the other end of the groove 21 is the tail of the groove 21.

Wing from the contracted state to the expanded state: when the unmanned aerial vehicle takes off, the wings need to be automatically unfolded, so that it can be understood that the torsion spring 30 in the wing rotation locking mechanism stores enough elastic potential energy to unfold the wings, and meanwhile, the locking and unlocking of the locking piece need to be realized by means of external force. In the wing rotation locking mechanism in the wing tightening state, the movable portion 42 of the left spring plate abuts against the top of the left groove corresponding to the left spring plate to lock the lower turntable 20, the right spring plate is located on the upper surface of the lower turntable 20, and the right spring plate is not embedded into the right groove to lock the top of the right groove, so that the lower turntable 20 is not limited. When the wing needs to be unfolded, the driving part 50 drives the rocker arm 51, the rotating rocker arm 51 can control the unlocking part 43 of the left elastic sheet, the upward swinging rocker arm 510 lifts the barb 431 on the unlocking part 43 of the left elastic sheet, the downward swinging rocker arm 510 is not in contact with the right elastic sheet, when the unlocking part 43 of the left elastic sheet is lifted upwards, the unlocking part 430 of the left elastic sheet pulls up the movable part 42 of the left elastic sheet, and the movable part 42 of the left elastic sheet leaves the top of the left groove, so that the lower rotary table 20 can be unlocked; at this time, the lower turntable 20 is driven by the elastic potential energy of the torsion spring 30 to rotate rapidly, and the span opening is assumed to rotate clockwise in this embodiment; and the elastic sheet 40 is fixedly arranged on the lower surface of the upper turntable 10, so that the right elastic sheet on the upper surface of the lower turntable 20 is embedded into the right groove of the lower turntable 20 under the elastic action of the elastic sheet 40 under the rapid rotation of the lower turntable 200. At this time, after the elastic potential energy of the torsion spring 30 is released, the lower turntable 20 rotates by 90 °, and meanwhile, the movable portion 42 of the right elastic sheet embedded in the right groove of the lower turntable 20 just falls into the top of the right groove corresponding to the right elastic sheet, and the rotation is terminated. At this time, since the upper rotary disk 10 is fixed, the locking member provided on the lower surface of the lower rotary disk 20 will engage with the upper rotary disk 10 to lock the lower rotary disk 20, and the wing 1 reaches a stable unfolded state.

Wing from the deployed state to the tightened state: when the unmanned aerial vehicle is recovered, the wings need to be manually tightened up by manpower. Therefore, the locking mechanism is firstly opened manually, the unfolding state of the wing is unlocked, the driving part 50 can drive the rocker arm 51 to rotate in the opposite rotating direction, the rocker arm 51 can lift the right elastic sheet movable part 42 embedded at the top of the right groove through lifting the barb 431 of the unlocking part 43 of the right elastic sheet, at the moment, the lower turntable 20 can be unlocked, the lower turntable 20 can rotate, and the left elastic sheet is positioned on the upper surface of the lower turntable 20 at the moment and does not limit the lower turntable 20. At this time, the technician can tighten the wing, the wing drives the lower turntable 20 to rotate counterclockwise, and the lower turntable 20 thereby drives the end of the torsion spring 30 connected with the lower turntable 20 to move, so that the torsion spring 30 generates elastic potential energy. When the wing is tightened by a technician, the wing is in a tightened state, the lower rotary table 20 rotates 90 degrees anticlockwise, in addition, the elastic sheet 40 fixedly arranged on the lower surface of the upper rotary table 10 is fixed, the left elastic sheet on the upper surface of the lower rotary table 20 is under the elastic action of the elastic sheet 40, the movable part 42 of the left elastic sheet is embedded into the left groove of the lower rotary table 20, the movable part 42 of the left elastic sheet can be abutted against the top of the left groove, the lower rotary table 20 is further locked, the lower rotary table 20 is prevented from rotating under the elastic potential energy of the torsion spring 30, and finally, the torsion spring 30 stores enough elastic potential energy for unfolding the wing next time.

It should be noted that the swing arm 51 can be aligned by the driving member 50 after lifting the spring piece 40 each time. The rotation direction of the lower turntable 20 is also merely an example and is not particularly limited.

Referring to fig. 2 to 4, in some embodiments of the present invention, the locking element is a spring bolt 60, the spring bolt 60 includes a spring 63 and a bolt 61, the spring 63 is sleeved on the bolt 61, a link mechanism 62 is provided at a lower end of the spring bolt 60, and the link mechanism 62 can pass through the wing 1. Therefore, it can be understood that the latch 61 can be lifted upwards by the spring 63, that is, when the wing 1 is completely unfolded, the latch 61 is lifted upwards just by the elastic force of the spring 63, and the latch 61 is inserted into the locking hole 631 of the upper rotary disk 10, and since the upper rotary disk 10 is not rotated relative to the fuselage 2, the rotating lower rotary disk 20 can be locked and fixed immediately by inserting the latch 61 into the locking hole 631 of the upper rotary disk 10, so that the completely unfolded wing 1 is locked and fixed just by locking and fixing the rotating lower rotary disk 20.

When the wing 1 needs to be folded by a technician, the link mechanism 62 on the spring bolt 60 can extend and retract to pass through the wing 1, and the link mechanism 62 is connected with the bolt 61, so that when the technician pulls the link mechanism 62 out of the wing 1, the bolt 61 can compress the spring 63 to overcome the resistance of the spring 63, the spring 63 has elastic potential energy, the top end of the bolt 61 can be separated from the locking hole 631 of the upper rotary plate 10, that is, the lower rotary plate 20 is unlocked, and the technician can fold the wing 1 at this time. When the wing 1 is stowed, the linkage 62 is released. It should be noted that when the link mechanism 62 is released, the spring 63 with elastic potential energy can push the released latch 61 upward, but since the wing 1 is already retracted, the top end of the upward-pushing latch 61 can only push against the lower end surface of the upper rotary disk 10, and cannot be inserted into the locking hole 631 of the upper rotary disk 10, i.e. cannot lock the lower rotary disk 20, so that the locking member can unlock the lower rotary disk 20 without relying on external force, and further facilitate the next deployment of the wing 1, and the deployment of the wing 1 has been described in detail in the above embodiments, and will not be repeated herein.

Referring to fig. 1 to 3, 5 and 6, it can be understood that the upper turntable 10 of the above embodiment may further be provided with a sleeve 11 in the middle, and a bearing 111 is provided in the sleeve 11; the lower rotary disk 20 is fixedly provided with a rotating shaft 22, the rotating shaft 22 is rotatably arranged in the bearing 111 in a penetrating way, and meanwhile, the lower rotary disk 20 also comprises a bearing cover 23. One end of the rotary shaft is fixedly arranged at the rotation center point of the lower rotary disc 20, and the other end is detachably connected at the rotation center of the bearing cover 23.

Also in the above embodiment, the torsion spring 30 is sleeved outside the sleeve 11, one end of the torsion spring 30 is connected to the first mounting hole 231 on the upper surface of the upper turntable 10, and the other end of the torsion spring is connected to the outer edge of the bearing cover 23 of the lower turntable 20, so that the torsion spring 30 can connect the upper turntable 10 and the lower turntable 20. The upper rotary plate 10 is fixed, so that the end of the torsion spring 30 connected with the upper rotary plate 10 is fixed, and the torsion spring 30 having elastic potential energy due to deformation releases the elastic potential energy through the end connected with the edge of the bearing cover 23, so as to drive the bearing cover 23 to rotate clockwise. Because the bearing cover 23 is connected with the rotating shaft 22, and because the other end of the rotating shaft 22 is fixedly arranged at the rotating center of the lower turntable 20, the bearing cover 23 finally drives the lower turntable 20 to rotate instantaneously, and the lower turntable 20 can control the wing connected with the lower turntable 20 to rotate and unfold.

Conversely, when the wings of the unmanned aerial vehicle need to be tightened, the technician rotates the wings in the counterclockwise direction to tighten the wings. At this moment, the wing drives the lower rotary table 20 to rotate anticlockwise, so that the lower rotary table 20 drives the rotary shaft 22 to rotate anticlockwise, the bearing cover 23 is driven to rotate anticlockwise, finally, the end, connected with the bearing cover 23, of the torsion spring 30 is turned open, and elastic potential energy for secondary unfolding of the wing of the unmanned aerial vehicle is stored. It should be noted that, according to the above embodiments, the specific control principle is not described repeatedly herein, and due to the locking structure of the elastic sheet 40 and the groove 21 of the lower rotary table 20, the lower rotary table 20 can be locked, and further the torsion spring 30 is locked to limit the rotation thereof, so that the energy storage effect of the torsion spring 30 can be achieved, and the fixed wing is held by the unmanned external force.

With particular reference to fig. 3, and with reference to fig. 2, 8, and 4 to 5, it can be understood that two limit blocks 12 are further fixedly disposed on the lower surface of the upper turntable 10 of the above embodiment, the two limit blocks 12 also correspond to the two grooves 21 of the lower turntable 20, respectively, and the limit blocks 12 can slide in the grooves 21 relative to the grooves 21. In order to better distinguish the two limit blocks 12, the two limit blocks 12 are also divided into a left limit block and a right limit block; the left limiting block corresponds to the left groove, and the right limiting block corresponds to the right groove. The two processes of the wing tightening state to the wing unfolding state and the unfolding state to the tightening state of the unmanned aerial vehicle are taken as examples.

Wing from the contracted state to the expanded state: in the wing rotation locking mechanism in the wing tightening state, the torsion spring 30 has elastic potential energy. Wherein the movable part 42 of the left spring plate supports the top of the left groove of the lower turntable 20, so as to lock the lower turntable 20, at this time, the left limit block is located at the tail part of the left groove, and the right limit block is located at the top of the right groove. The right spring plate is arranged on the upper surface of the lower rotary table 20, and the right spring plate is not embedded into the right groove to clamp the right groove, so that the lower rotary table 20 is not limited. When the wing needs to be unfolded, the driving part 50 drives the rocker arm 51, the rotating rocker arm 51 can control the barb 431 on the unlocking part 43 of the left elastic sheet, the upward swinging rocker arm 51 lifts the unlocking part 430 of the left elastic sheet, the downward swinging rocker arm 51 is not in contact with the right elastic sheet, when the unlocking part 43 of the left elastic sheet is lifted upwards, the unlocking part 43 of the left elastic sheet pulls up the movable part 42 of the left elastic sheet, and the top end of the movable part 42 of the left elastic sheet leaves the top of the left groove, so that the lower rotary table 20 can be unlocked; at this time, the lower turntable 20 is driven by the elastic potential energy of the torsion spring 30 to rotate clockwise rapidly; the elastic sheet 40 and the limiting block 12 are fixedly arranged on the lower surface of the upper turntable 10, so that the right elastic sheet on the upper surface of the lower turntable 20 is embedded into the right groove of the lower turntable 20 under the quick rotation of the lower turntable 20 under the elastic action of the elastic sheet 40, and the right limiting block slides to the tail part from the top part of the right groove relative to the right groove. At this moment, the right shell fragment of the right recess of embedding lower carousel 20 just reaches the top of right recess, and simultaneously, because the fixed lower surface that sets up at last carousel 10 of left stopper, so left stopper is for left recess, the afterbody from left recess slides to the top, thereby the top of left recess has been blocked, and then lower carousel 20 is locked, hinder lower carousel 20 further to rotate, rotation angle control has been at 90, rotatory termination, it needs to be noted that, bolt 61 top in the spring bolt 60 at this moment just inserts in the locking hole 631 of last carousel 10, the wing has reached the state of expanding.

It should be noted that when the wing is unfolded, the left limiting block slides relative to the left groove, and slides from the tail of the left groove to the top of the left groove, and the top of the left groove is clamped, that is, the rotation angle of the wing can be controlled to be just 90 °, and at this time, the torsion spring 30 can still have a certain elastic potential energy (the torsion spring 30 does not release the elastic potential energy), so that the lower turntable 20 still has a tendency of clockwise rotation. Therefore, it can be understood that the lower rotary disk 20 is clamped by the limit of the left limit block, so that the lower rotary disk 20 is prevented from rotating, the wings are provided with certain pretightening force, the wings can be stably fixed in a stable flying state when the unmanned aerial vehicle flies, and finally the flying stability and safety of the unmanned aerial vehicle are improved.

Wing from the deployed state to the tightened state: when the unmanned aerial vehicle is recovered, the wings need to be manually tightened up by manpower. The driving part 50 drives the rocker arm 51 to rotate in the opposite rotating direction, the rocker arm 51 can lift the movable part 42 of the right elastic sheet embedded in the right groove from the top of the right groove by lifting the barb 431 of the unlocking part 43 of the right elastic sheet, at the moment, the lower turntable 20 can be unlocked, and thus the lower turntable 20 can rotate, and the lower turntable 200 can be manually rotated. The left spring plate is located on the upper surface of the lower rotary table 20 at this time, and the lower rotary table 20 is not limited. The technical staff tightens up the wing, the wing drives down carousel 20 anticlockwise rotation, thereby lower carousel 20 drives bearing cap 23 rotatory, and then drive that the one end of being connected with bearing cap 23 of torsional spring 30 removes, and then make torsional spring 30 produce elastic potential energy, in addition, the fixed right stop block that sets up at last carousel 10 lower surface is for right recess, the afterbody of following right recess slides to the top, when the wing is tightened up by the technical staff, the wing is in the state of tightening up, right stop block can just support the top of withstanding right recess, carousel 20 further anticlockwise rotation under the prevention, carousel 20 has just anticlockwise rotation 90 down this moment, get back to the state that the wing tightened up. In addition, the elastic sheet 40 fixedly arranged on the lower surface of the upper turntable 10 is fixed, the left elastic sheet positioned on the upper surface of the lower turntable 20 is under the elastic action of the elastic sheet 40, the movable part 42 of the left elastic sheet is embedded into the left groove of the lower turntable 20, the movable part 42 of the left elastic sheet can abut against the top of the left groove, so that the lower turntable 20 is locked, the lower turntable 200 is prevented from rotating under the elastic potential energy of the torsion spring 30, and the left limiting block slides to the tail part of the left groove from the top of the left groove relative to the left groove. Eventually, the torsion spring 300 stores enough elastic potential energy for the next wing deployment.

It should be noted that, when the wing is tightened back, the right limiting block slides relative to the right groove, and slides to the top from the tail of the right groove, and the top of the right groove is clamped, so that a technician can control the lower rotary table 20 to rotate by just 90 degrees, and the wing returns to a tightened state. The right limit block is used for preventing the wing from rotating back more than 90 degrees anticlockwise on one hand, and is used for preventing the torsion spring 30 from exceeding the elastic limit on the other hand, so that the torsion spring 30 loses the elastic effect and loses the elastic potential energy.

Referring to fig. 2, 4 and 5, it can be understood that the edge of the bearing cap 23 of the above embodiment may be further provided with a plurality of first mounting holes 231, and the first mounting holes 231 are used for mounting and fixing one end of the torsion spring 30. It should be noted that the wings of the unmanned aerial vehicle include a central wing and a tail wing, and when the unmanned aerial vehicle is in a flying state, the central wing and the tail wing are unfolded to bear the load of air pressure, so that a certain pretightening force is required to stabilize the wings. The wing rotation locking mechanism used with the central wing and the wing rotation locking mechanism used with the tail wing are determined according to the specific situation of the wing, so the torsion springs 30 in the two mechanisms are different in pretightening force according to the difference of the wing, and the installation positions of the torsion springs 30 at one end of the bearing cover 23 are different due to the different pretightening force. Compared with the mass of the empennage, the mass of the central wing is larger, the required pretightening force of the torsion spring 30 is larger, and one end of the torsion spring 30 is arranged in the first mounting hole 231 which is opposite to the spiral direction of the torsion spring 30; on the contrary, the mass of the tail wing is small, and the pre-tightening force of the torsion spring 30 is small, so that the end of the torsion spring 30 is installed in the first installation hole 231 spirally rotated in the same direction as the torsion spring 300. That is, the position of the first mounting hole 231 may be selected according to specific characteristics of the wing, and the number of the first mounting holes 231 is not specifically limited in this embodiment.

Referring to fig. 6 and 7, in some embodiments of the present invention, the lower surface of the upper rotating disk 10 is further provided with a baffle 13, and the latch 61 can slide on the lower surface of the baffle 13. According to the rotation process of spring bolt 60 at wing 1, it can be understood that bolt 61 can slide on the lower surface of last carousel 10, but go up carousel 10 and be the lighter aluminium product of intensity of quality, so, go up carousel 10 very wear-resisting, so through the second mounting hole 131 of seting up on last carousel 10, on corresponding the gliding region of bolt 61, a semicircular steel baffle 13 has been installed, steel baffle 13 is more wear-resisting, thereby the lower surface of having avoided going up carousel 10 receives the wearing and tearing of bolt 61, and then has prolonged the life of going up carousel 10, reduce cost of maintenance.

In some embodiments of the present invention, referring to fig. 1 and 2, the driving member 50 is fixedly connected to the upper turntable 10 by a right-angle metal mounting block 52. A right-angle metal mounting block 52 is mounted on the upper turntable 10 through a bolt coupling structure, and the driving part 50 is mounted on the right-angle metal mounting block 52. The driving member 50 may be a steering engine or a servo motor. The steering engine is stable and accurate in control, the elastic sheet 40 can be stably lifted, the right-angle metal mounting block 52 is independently arranged on the upper rotary table 10, the driving part 50 or the upper rotary table 10 can be conveniently replaced, and maintenance and repair of the wing rotation locking mechanism are facilitated.

Referring to fig. 9 and 10, in a second aspect, the present invention further provides an unmanned aerial vehicle, which includes the wing rotation locking mechanism according to any one of the embodiments of the first aspect, the unmanned aerial vehicle further includes a wing 1, the wing rotation locking mechanism is installed in a fuselage 2 of the unmanned aerial vehicle, and the wing 1 is detachably connected with the unmanned aerial vehicle through the wing rotation locking mechanism.

The wing rotating mechanism is arranged in the body 2 of the unmanned aerial vehicle, has no protruding structure, does not influence the pneumatic appearance of the unmanned aerial vehicle, and is beneficial to the stable flight of the unmanned aerial vehicle, and the wing 1 is detachably connected with the unmanned aerial vehicle through the wing rotating locking mechanism, so that the wing 1 which is unfolded can be safely locked by the locking piece, and the flight safety of the unmanned aerial vehicle is ensured; the wing rotary locking mechanism and the unmanned aerial vehicle can be detachably connected, the wing 1 of the unmanned aerial vehicle can be conveniently detached and assembled, meanwhile, the rotatable wing 1 can greatly reduce the occupied space of the unmanned aerial vehicle, and is convenient to pack and store and convenient for transportation of the unmanned aerial vehicle.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.

Claims (9)

1. A wing rotation locking mechanism, comprising:

an upper turntable (10);

the lower rotating disc (20) is rotatably arranged at the lower end of the upper rotating disc (10), and two grooves (21) are formed in the upper surface of the lower rotating disc (20);

the torsion spring (30) is positioned at the rotating center of the lower rotating disc (20), one end of the torsion spring (30) is connected with the upper rotating disc (10), and the other end of the torsion spring (30) is connected with the lower rotating disc (20);

the two elastic sheets (40) correspond to the two grooves (21) respectively, each elastic sheet (40) comprises a fixed portion (41), a movable portion (42) and an unlocking portion (43), each movable portion (42) is connected with the corresponding fixed portion (41), each unlocking portion (43) is connected with the corresponding movable portion (42), each fixed portion (41) is arranged on the lower surface of the corresponding upper turntable (10), each movable portion (42) extends downwards obliquely and can be embedded into the corresponding groove (21) and abut against the top of the corresponding groove (21), each unlocking portion (43) extends upwards and penetrates out of the upper surface of the corresponding upper turntable (10), and an inverted hook (431) is arranged at the upper end of each unlocking portion (43);

a locking member provided on a lower surface of the lower turntable (20), the locking member being capable of locking the lower turntable (20) to stop the lower turntable (20) from rotating when the wing (1) is in the deployed state; and

the driving part (50) is arranged on the upper surface of the upper rotating disk (10), a rocker arm (51) is arranged on the output end of the driving part (50), and the rocker arm (51) is located below the barb (431).

2. The wing rotation locking mechanism according to claim 1, characterized in that the locking piece is a spring bolt (60), the spring bolt (60) comprises a spring (63) and a bolt (61), the spring (63) is sleeved on the bolt (61), the lower end of the spring bolt (60) is provided with a link mechanism (62), and the link mechanism (62) can pass through the wing (1).

3. The wing rotation locking mechanism according to claim 1, characterized in that a sleeve (11) is arranged in the middle of the upper rotary disk (10), and a bearing (111) is arranged in the sleeve (11); the lower turntable (20) is fixedly provided with a rotating shaft (22), and the lower turntable (20) further comprises a bearing cover (23); the rotating shaft (22) is rotatably arranged in the bearing (111) in a penetrating mode, one end of the rotating shaft is fixedly arranged at the rotating center of the lower rotating disk (20), and the other end of the rotating shaft is detachably connected with the bearing cover (23).

4. The wing rotation locking mechanism according to claim 1, characterized in that two limiting blocks (12) are fixedly arranged on the lower surface of the upper rotary table (10), the two limiting blocks (12) correspond to the two grooves (21) of the lower rotary table (20), and the limiting blocks (12) can slide in the grooves (21) relative to the grooves (21).

5. The wing rotation locking mechanism of claim 3, characterized in that a plurality of first mounting holes (231) are formed at the edge of the bearing cover (23), and the first mounting holes (231) are connected with one end of the torsion spring (30).

6. The wing rotation lock mechanism according to claim 2, characterized in that a baffle (13) is further provided on the lower surface of the upper turntable (10), and the latch (61) is slidable on the lower surface of the baffle (13).

7. The wing rotation lock mechanism of claim 1, wherein the drive member (50) is connected to the upper turntable (10) by a right-angled metal mounting block (52).

8. The wing rotation locking mechanism of claim 1, wherein the drive component (50) is a steering engine.

9. An unmanned aerial vehicle, comprising a wing rotation locking mechanism according to any one of claims 1 to 8, the unmanned aerial vehicle further comprising the wing (1), the wing rotation locking mechanism being mounted in a fuselage (2) of the unmanned aerial vehicle, the wing (1) being detachably connected with the unmanned aerial vehicle through the wing rotation locking mechanism.

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