阅读说明：本技术 一种载荷微型手抛折叠四旋翼无人机 (Load micro hand-throwing folding quad-rotor unmanned aerial vehicle ) 是由 孙鹏飞 李铁 关宗瑞 王成军 陈松 宋博浩 郝晓夜 于 2021-10-20 设计创作，主要内容包括：本发明涉及一种载荷微型手抛折叠四旋翼无人机,属于无人机技术领域,包括壳体、设置于所述壳体上端的顶盖、和设置于所述壳体下端的底座；在所述壳体的外侧壁且沿竖直方向开设有内嵌槽,所述内嵌槽沿圆周方向设置有多个；所述内嵌槽靠近所述顶盖的一端转动设置有悬臂,所述悬臂可转动打开至水平或转动闭合于所述内嵌槽内；所述悬臂中部设置有无刷电机,所述无刷电机的输出轴上连接有桨叶,所述无刷电机和所述桨叶可嵌合进入或穿出所述内嵌槽。通过采用上述方案,实现壳体和悬臂和折叠,在储存时能够对悬臂进行保护,避免其受到挤压而发生损坏,展开时能够保证无人机飞行的稳定性。(The invention relates to a load micro hand-throwing folding quad-rotor unmanned aerial vehicle, which belongs to the technical field of unmanned aerial vehicles and comprises a shell, a top cover arranged at the upper end of the shell and a base arranged at the lower end of the shell; the outer side wall of the shell is provided with a plurality of inner embedding grooves along the vertical direction, and the number of the inner embedding grooves is multiple along the circumferential direction; one end of the embedded groove close to the top cover is rotatably provided with a cantilever which can be opened to be horizontal or closed in the embedded groove in a rotating way; the middle part of the cantilever is provided with a brushless motor, an output shaft of the brushless motor is connected with a paddle, and the brushless motor and the paddle can be embedded into or penetrate out of the embedded groove. Through adopting above-mentioned scheme, realize casing and cantilever and folding, can protect the cantilever when storing, avoid it to receive the extrusion and take place to damage, can guarantee the stability of unmanned aerial vehicle flight when expanding.)

1. The utility model provides a four folding rotor unmanned aerial vehicle are thrown to miniature hand of load, its characterized in that: comprises a shell (200), a top cover (100) arranged at the upper end of the shell (200), and a base (300) arranged at the lower end of the shell (200);

the outer side wall of the shell (200) is provided with a plurality of inner embedding grooves (230) along the vertical direction, and the number of the inner embedding grooves (230) is arranged along the circumferential direction;

one end of the embedded groove (230) close to the top cover (100) is rotatably provided with a cantilever (400), and the cantilever (400) can be opened to be horizontal in a rotating mode or closed in the embedded groove (230) in a rotating mode;

the middle of the cantilever (400) is provided with a brushless motor (500), an output shaft of the brushless motor (500) is connected with a paddle (600), and the brushless motor (500) and the paddle (600) can be embedded into or penetrate out of the embedded groove (230).

2. The load miniature hand-throwing folding quad-rotor unmanned aerial vehicle of claim 1, wherein: an unfolding shaft (110) is arranged at one end, close to the inner embedded groove (230), of the top cover (100), the cantilever (400) is rotatably connected to the unfolding shaft (110), and an elastic piece for controlling the cantilever (400) to be automatically opened is arranged on the unfolding shaft (110);

the base (300) is provided with a locking component (700) for locking the cantilever (400), and when the cantilever (400) is embedded in the embedded groove (230), the locking component (700) locks the cantilever (400).

3. The load miniature hand-throwing folding quad-rotor unmanned aerial vehicle of claim 1, wherein: the elastic piece is an elastic torsion spring, and when the locking assembly (700) cancels the locking of the cantilever (400), the elastic torsion spring drives the cantilever (400) to rotate to the horizontal position.

4. The load miniature hand-throwing folding quad-rotor unmanned aerial vehicle of claim 1, wherein:

an inclined upper limiting end face (120) is arranged on the top cover (100) and is positioned at the upper end of the inner embedding groove (230);

the upper end of cantilever (400) is circular-arcly, the lateral surface of cantilever (400) just is close to the position of last spacing terminal surface (120) is provided with down spacing terminal surface (410), when cantilever (400) rotated to the level, down spacing terminal surface (410) with last spacing terminal surface (120) are parallel, and laminate each other.

5. The load miniature hand-throwing folding quad-rotor unmanned aerial vehicle of claim 1, wherein: the base (300) and the shell (200) are detachably and fixedly connected; an installation cavity (310) is formed in one side, close to the shell (200), of the base (300);

the locking assembly (700) comprises an electromagnet (710) fixed at the lower end of the shell (200), a thimble (711) capable of moving along the vertical direction is arranged on the electromagnet (710), and the thimble (711) is positioned in the mounting cavity (310); a pressure tongue (720) is arranged in the mounting cavity (310), and the pressure tongue (720) is connected with the ejector pin (711); an annular groove (320) is formed in the bottom of the mounting cavity (310); a return spring (730) is arranged in the annular groove (320), the return spring (730) abuts against the pressure tongue (720), and the return spring (730) is in a compressed state;

when the electromagnet (710) is electrified, the ejector pin (711) is controlled to drive the pressure tongue (720) to move downwards; when the electromagnet (710) loses power, the return spring (730) controls the pressure tongue (720) to restore to the original position;

a lock catch structure (740) buckled with each other is arranged between the pressing tongue (720) and the lower end of the cantilever (400); after the pressing tongue (720) restores to the original position, the locking structure (740) limits the cantilever (400); when the press tongue (720) moves downwards, the locking structure (740) cancels the limit of the cantilever (400).

6. The load miniature hand-throwing folding quad-rotor unmanned aerial vehicle of claim 1, wherein: the locking structure (740) comprises a first locking hook (741) arranged at the lower end of the cantilever (400) and a second locking hook (742) arranged on the upper side surface of the pressure tongue (720), and the first locking hook (741) and the second locking hook (742) can be mutually buckled;

the pressure tongue (720) comprises a body connected with the thimble (711) and pressure plates connected with the body and corresponding to each group of cantilevers (400) one by one; and a second lock hook (742) is respectively arranged on each pressure plate.

7. The load miniature hand-throwing folding quad-rotor unmanned aerial vehicle of claim 1, wherein: casing (200) lower extreme demountable installation has fixing base (240), electro-magnet (710) install in on fixing base (240).

8. The load miniature hand-throwing folding quad-rotor unmanned aerial vehicle of claim 1, wherein: the paddle (600) comprises a first blade (610) and a second blade (620) which are symmetrically arranged along the output shaft of the brushless motor (500);

the first blade (610) and the second blade (620) can be embedded in the embedded groove (230) when being parallel to the length direction of the embedded groove (230).

9. The load miniature hand-throwing folding quad-rotor unmanned aerial vehicle of claim 1, wherein: the brushless motor (500) and the paddle (600) are positioned on a side of the cantilever (400) relatively close to the inner caulking groove (230).

10. The load miniature hand-throwing folding quad-rotor unmanned aerial vehicle of claim 1, wherein: the combination of the top cover (100), the shell (200) and the base (300) is in an ellipsoid structure.

Technical Field

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a load micro hand-throwing folding quad-rotor unmanned aerial vehicle.

Background

With the rapid development of science and technology, the application of unmanned aerial vehicles in life is gradually and generally developed. Wherein, the application of the four-rotor unmanned aerial vehicle in life is common, the four-rotor unmanned aerial vehicle is an unmanned aerial vehicle which transmits the first hand aerial video data in real time through a high-definition camera, but because the design structure of the existing four-rotor unmanned aerial vehicle in life is too simple, the load capacity is not high generally, and some or even no load capacity can not well transmit materials, and the existing four-rotor unmanned aerial vehicle body is generally heavier, the flight of the unmanned aerial vehicle can not be controlled well freely during the flight period, the take-off mode of the four-rotor unmanned aerial vehicle is mainly a ground remote control direct lifting type, the take-off mode is broken through, the load is increased, the volume is small, and the light weight is the problem which is needed to be solved currently, therefore, the novel load micro hand-throwing folding four-rotor unmanned aerial vehicle is designed to change the technical defects and improve the practicability of the whole four-rotor unmanned aerial vehicle, is particularly important.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a load micro hand-throwing folding quad-rotor unmanned aerial vehicle, which realizes the folding of a shell and a cantilever, can protect the cantilever during storage, avoids the damage of the cantilever caused by extrusion, and can ensure the flying stability of the unmanned aerial vehicle during expansion.

In order to achieve the above object, the present invention provides a technical solution as follows:

a load micro hand-throwing folding quad-rotor unmanned aerial vehicle comprises a shell, a top cover arranged at the upper end of the shell and a base arranged at the lower end of the shell; the outer side wall of the shell is provided with a plurality of inner embedding grooves along the vertical direction, and the number of the inner embedding grooves is multiple along the circumferential direction; one end of the embedded groove close to the top cover is rotatably provided with a cantilever which can be opened to be horizontal or closed in the embedded groove in a rotating way; the middle part of the cantilever is provided with a brushless motor, an output shaft of the brushless motor is connected with a paddle, and the brushless motor and the paddle can be embedded into or penetrate out of the embedded groove.

Preferably, an unfolding shaft is arranged at one end, close to the embedded groove, of the top cover, the cantilever is rotatably connected to the unfolding shaft, and an elastic piece for controlling the cantilever to be automatically opened is arranged on the unfolding shaft; the base is provided with a locking assembly for locking the cantilever, and when the cantilever is embedded in the embedded groove, the locking assembly locks the cantilever.

Preferably, the elastic part is an elastic torsion spring, and when the locking assembly cancels the locking of the cantilever, the elastic torsion spring drives the cantilever to rotate to the horizontal position.

Preferably, an inclined upper limiting end face is arranged on the top cover and positioned at the upper end of the embedded groove; the upper end of cantilever is circular-arcly, the lateral surface of cantilever just is close to the position of last spacing terminal surface is provided with down spacing terminal surface, when the cantilever rotated to the level, down spacing terminal surface with it is parallel to go up spacing terminal surface, and laminate each other.

Preferably, the base and the shell are detachably and fixedly connected; an installation cavity is formed in one side, close to the shell, of the base;

the locking assembly comprises an electromagnet fixed at the lower end of the shell, a thimble capable of moving along the vertical direction is arranged on the electromagnet, and the thimble is positioned in the mounting cavity; a pressing tongue is arranged in the mounting cavity and connected with the ejector pin; the bottom of the mounting cavity is provided with an annular groove; a return spring is arranged in the annular groove and is abutted against the pressure tongue, and the return spring is in a compressed state; when the electromagnet is electrified, the thimble is controlled to drive the pressure tongue to move downwards; when the electromagnet is powered off, the reset spring controls the pressing tongue to restore the original position; a lock catch structure buckled with each other is arranged between the pressing tongue and the lower end of the cantilever; after the pressing tongue returns to the original position, the locking structure limits the cantilever, and when the pressing tongue moves downwards, the locking structure cancels the limitation on the cantilever.

Preferably, the lock catch structure comprises a first lock hook arranged at the lower end of the cantilever and a second lock hook arranged on the upper side surface of the pressure tongue, and the first lock hook and the second lock hook can be buckled with each other; the pressure tongue comprises a body connected with the ejector pin and pressure plates connected with the body and corresponding to each group of cantilevers one by one; and each pressing plate is provided with a second locking hook.

Preferably, the lower end of the shell is detachably provided with a fixed seat, and the electromagnet is arranged on the fixed seat.

Preferably, the paddle comprises a first blade and a second blade symmetrically arranged along the output shaft of the brushless motor; the first blade and the second blade can be embedded in the embedded groove when being parallel to the length direction of the embedded groove.

Preferably, the brushless motor and the paddle are located on a side of the cantilever relatively close to the embedded groove.

Preferably, the combination of the top cover, the shell and the base is in an ellipsoid structure.

According to the load micro hand-throwing folding quad-rotor unmanned aerial vehicle provided by the invention, the inner embedded groove and the rotatable cantilever are arranged on the shell, when the cantilever of the quad-rotor unmanned aerial vehicle is unfolded, the top cover can play a role of unfolding limiting bearing force, so that four groups of cantilevers can be kept on the same horizontal plane when the cantilevers are unfolded, the flying stability of the quad-rotor unmanned aerial vehicle is ensured, the combination of the top cover and the shell is designed to be an ellipsoid structure, when the quad-rotor unmanned aerial vehicle is stored, the brushless motor and the blades are all retracted into the ellipsoid, the occupied space is small, the quad-rotor unmanned aerial vehicle is convenient to transport, store and carry, the shell can play a role of protecting the blades and the brushless motor of the aircraft, when the quad-rotor unmanned aerial vehicle is stored, the blades and the brushless motor cannot be damaged due to extrusion, the quad-rotor unmanned aerial vehicle can be ensured to be normally used, and compared with the existing quad-rotor unmanned aerial vehicle, the integral convenience of the quad-rotor unmanned aerial vehicle can be improved through the design, and the unmanned aerial vehicle can be normally used Safety and practicality.

Drawings

Fig. 1 is a schematic structural diagram of a load-carrying miniature hand-throwing folding quad-rotor unmanned aerial vehicle according to the invention;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure A of FIG. 2;

FIG. 4 is an enlarged view of a portion of the structure B of FIG. 2;

fig. 5 is a schematic view of a load-carrying micro hand-throwing folding quad-rotor unmanned aerial vehicle in an unfolded state;

fig. 6 is a top view of a loaded micro hand-throwing folding quad-rotor drone according to the present invention.

Reference numbers in the figures:

100. a top cover; 110. a deployment shaft; 120. an upper limit end face;

200. a housing; 210. an upper housing; 220. a lower housing; 230. an embedded groove is formed; 240. a fixed seat;

300. a base; 310. a mounting cavity; 320. an annular groove;

400. a cantilever; 410. a lower limit end face;

500. a brushless motor;

600. a paddle; 610. a first blade; 620. a second blade;

700. a locking assembly; 710. an electromagnet; 711. a thimble; 720. tongue depressing; 730. a return spring; 740. a locking structure; 741. a first latch hook; 742. a second latch hook.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.

Examples

The invention provides a load micro hand-throwing folding quad-rotor unmanned aerial vehicle, which comprises a top cover 100, a shell 200 and a base 300, wherein the shell 200 comprises an upper shell 210 and a lower shell 220, and the upper shell 210 and the lower shell 220 are detachably and fixedly connected. The combination of the top cover 100, the upper shell 210 and the lower shell 220 is designed in an ellipsoid structure, and the bottom of the lower shell 220 is provided with a base 300.

The outer side wall of the housing 200 is provided with a plurality of embedded grooves 230 along the vertical direction, the embedded grooves 230 are arranged at equal angles along the circumferential direction of the housing 200, each embedded groove 230 is provided with a cantilever 400, one end of each cantilever 400 close to the top cover 100 is rotatably connected, and the cantilevers 400 can be rotatably opened to be horizontal or rotatably closed in the embedded grooves 230. Specifically, four groups of cantilevers 400 are provided, a brushless motor 500 is provided in the middle of the cantilever 400, a paddle 600 is connected to an output shaft of the brushless motor 500, and the brushless motor 500 and the paddle 600 can be inserted into or penetrate out of the inner caulking groove 230. Inside the housing 200 is provided a power supply and control unit.

An unfolding shaft 110 is arranged at one end of the top cover 100 close to the inner embedded groove 230, the cantilever 400 is rotatably connected to the unfolding shaft 110, and an elastic member for controlling the cantilever 400 to be automatically opened is arranged on the unfolding shaft 110; the base 300 is provided with a locking member 700 for locking the arm 400, and when the arm 400 is fitted into the inner groove 230, the locking member 700 locks the arm 400. When the flight is required, the locking assembly 700 unlocks the cantilever 400, and the elastic member controls the cantilever 400 to rotate to the horizontal state for flight.

Specifically, the elastic member is an elastic torsion spring, and when the locking assembly 700 unlocks the cantilever 400, the elastic torsion spring drives the cantilever 400 to rotate to the horizontal position. An inclined upper limiting end face 120 is arranged on the top cover 100 and positioned at the upper end of the embedded groove 230; the upper end of cantilever 400 is circular-arc, and the lateral surface of cantilever 400 and the position that is close to upper limit terminal surface 120 are provided with down spacing terminal surface 410, and when cantilever 400 rotated to the level, lower limit terminal surface 410 was parallel with upper limit terminal surface 120, and laminated each other. By providing the upper limiting end surface 120 and the lower limiting end surface 410, when the cantilever 400 is rotated to be horizontal, the cantilever 400 can be supported to be maintained in the same horizontal state. Stability when having ensured four rotor unmanned aerial vehicle flights, whole practicality is higher, and the corresponding setting of the exterior structure size of inner structure size and cantilever 400 of embedded groove 230.

The base 300 and the shell 200 are detachably and fixedly connected; the base 300 has a mounting cavity 310 formed at a side thereof adjacent to the housing 200.

The locking assembly 700 comprises an electromagnet 710 fixed at the lower end of the housing 200, the electromagnet 710 is provided with a thimble 711 capable of moving along the vertical direction, and the thimble 711 is positioned in the mounting cavity 310; the lower end of the housing 200 is detachably mounted with a fixing base 240, and the electromagnet 710 is mounted on the fixing base 240. The electromagnet 710 is a push-pull electromagnet 710, and when energized, the electromagnet drives the thimble 711 to move.

A pressing tongue 720 is arranged in the mounting cavity 310, and the pressing tongue 720 is connected with the ejector pin 711; the bottom of the mounting cavity 310 is provided with an annular groove 320; a return spring 730 is arranged in the annular groove 320, the return spring 730 is abutted against the pressure tongue 720, and the return spring 730 is in a compressed state; when the electromagnet 710 is powered on, the thimble 711 is controlled to drive the tongue depressor 720 to move downwards; when the electromagnet 710 loses power, the return spring 730 controls the pressure tongue 720 to recover the original position; a lock catch structure 740 buckled with each other is arranged between the pressing tongue 720 and the lower end of the cantilever 400; after the latch 720 returns to the original position, the locking structure 740 limits the cantilever 400, and when the latch 720 moves downwards, the locking structure 740 cancels the limitation of the cantilever 400.

Specifically, the latch structure 740 includes a first latch hook 741 disposed at a lower end of the cantilever 400 and a second latch hook 742 disposed at an upper side of the tongue 720, and the first latch hook 741 and the second latch hook 742 can be engaged with each other; the tongue 720 includes a body connected to the thimble 711, and a pressing plate connected to the body and corresponding to each set of cantilevers 400 one by one; each of the pressing plates is provided with a second latch hook 742. In the present embodiment, four sets of the suspension arms 400 are provided, and four sets of the pressure plates are also provided, and each set of the first locking hooks 741 and the second locking hooks 742 correspond to each other one by one, so as to lock the four sets of the suspension arms 400.

Further, paddle 600 includes first blade 610 and second blade 620 symmetrically disposed along the output shaft of brushless motor 500; the first blade 610 and the second blade 620 may be fitted into the inner insertion groove 230 when they are parallel to the length direction of the inner insertion groove 230. Brushless motor 500 and paddle 600 are located on a side of cantilever 400 relatively close to inner spline 230, and first blade 610 and second blade 620 have a width smaller than that of inner spline 230.

When storing, brushless motor 500 and paddle 600 have all been received inside embedded groove 230, and occupation space is few, and convenient transportation, storage and carrying, and go up casing 210 and lower casing 220 can play the effect of protection to paddle 600 and brushless motor 500. During depositing, paddle 600 and brushless motor 500 can not take place to damage because of receiving the extrusion, and guarantee four rotor unmanned aerial vehicle can normal use during the use, and whole convenience, security and practicality are higher.

The working process of the invention is as follows: when the load micro hand-throwing folding quad-rotor unmanned aerial vehicle is used, the unmanned aerial vehicle is firstly held on the hand, vertically placed and then electrified to start, when the electromagnet 710 is electrified, the electromagnet 710 can attract, the ejector pin 711 is controlled to move downwards, and the pressing tongue 720 is driven to drive downwards. The latch structure 740 is now free from the cantilever 400. The cantilever arms 400 are unfolded by the elastic torsion spring until the plurality of cantilever arms 400 are maintained in the same plane. Then brushless motor 500 can drive paddle 600 and function, and unmanned aerial vehicle can accomplish the flight, when retrieving unmanned aerial vehicle, carries out the outage to electro-magnet 710 and handles, and electro-magnet 710 does not have magnetism this moment, and thimble 711 loses power, presses tongue 720 to resume to initial condition under reset spring 730's effect, can fold back the inside of embedded groove 230 with unmanned aerial vehicle's cantilever 400 this moment, and it can lock cantilever 400 here to press tongue 720 this moment. The whole using process is simple and convenient, through the design of the top cover 100, when the cantilevers 400 of the quad-rotor unmanned aerial vehicle are unfolded, the top cover 100 can play the role of unfolding limiting bearing force, so that the four groups of cantilevers 400 can be kept on the same horizontal plane when being unfolded, the stability of the quad-rotor unmanned aerial vehicle during flying is ensured, through the design of the top cover 100, the upper shell 210 and the lower shell 220, the combination of the top cover 100, the upper shell 210 and the lower shell 220 is designed in an ellipsoid structure, when in storage, the brushless motor 500 and the blades 600 are all retracted into the ellipsoid, the occupied space is small, the transportation, the storage and the carrying are convenient, the upper shell 210 and the lower shell 220 can play the role of protecting the blades 600 and the brushless motor 500 of the airplane, during the storage period, the blades 600 and the brushless motor 500 can not be damaged due to extrusion, and the quad-rotor unmanned aerial vehicle can be normally used, compared with the existing quad-rotor unmanned aerial vehicle, the design of the quad-rotor unmanned aerial vehicle provided by the invention can improve the overall convenience, safety and practicability of the quad-rotor unmanned aerial vehicle.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a communication between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.