CN212022974U

CN212022974U - Unmanned aerial vehicle tilting mechanism and unmanned aerial vehicle

Info

Publication number: CN212022974U
Application number: CN202020400365.4U
Authority: CN
Inventors: 肖川; 姜林弟
Original assignee: Shenyang Woozoom Technology Co ltd
Current assignee: Shenyang Woozoom Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-27
Anticipated expiration: 2030-03-25

Abstract

The utility model relates to an unmanned aerial vehicle mechanism and unmanned aerial vehicle vert. Wherein unmanned aerial vehicle tilting mechanism includes: a tilting steering engine (1); the bidirectional rocker arm (2) is connected to an output shaft of the tilting steering engine (2) in a swinging manner; and the two connecting rods (3) are respectively connected to two ends of the bidirectional rocker arm (2) so as to respectively drive the corresponding tilting shafts to rotate when the bidirectional rocker arm (2) swings. Through above-mentioned technical scheme, the axle that verts is driven through two connecting rods (3) respectively at the both ends of two-way rocking arm (2) to replace and connect the structure of two axles that vert by a connecting rod, avoided because the connecting rod overlength, the problem of easy production vibrations when the action of verting, the stability of fuselage when guaranteeing unmanned aerial vehicle verts is favorable to the adjustment of flight gesture.

Description

Unmanned aerial vehicle tilting mechanism and unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned aerial vehicle technique field specifically, relates to an unmanned aerial vehicle mechanism and unmanned aerial vehicle vert.

Background

Along with the continuous development of unmanned aerial vehicle technique, unmanned aerial vehicle has widely applied to a plurality of fields, has also proposed higher requirement to unmanned aerial vehicle's flight stability. When carrying out flight attitude adjustment, the steering wheel that need vert provides corresponding drive power to transmit the drive power of the steering wheel that verts for the axle that verts through the connecting rod. In the correlation technique, two shafts that vert are mainly connected through a connecting rod, and this kind of structure is because the connecting rod overlength, when the action of verting, the connecting rod can shake, leads to the action unstability of verting, and then influences unmanned aerial vehicle at the stability of flight in-process.

SUMMERY OF THE UTILITY MODEL

The first purpose of this disclosure is to provide an unmanned aerial vehicle mechanism of verting to solve unmanned aerial vehicle's rotor and vert the unstable problem of time body when the action.

A second object of this disclosure is to provide a unmanned aerial vehicle, this unmanned aerial vehicle includes the mechanism that verts that this disclosure provided.

In order to realize above-mentioned purpose, the present disclosure provides an unmanned aerial vehicle mechanism of verting, includes: a tilting steering engine; the bidirectional rocker arm is connected to the output shaft of the tilting steering engine in a swinging manner; and the two connecting rods are respectively connected with the two ends of the bidirectional rocker arm so as to respectively drive the corresponding tilting shafts to rotate when the bidirectional rocker arm swings.

Optionally, the connecting rod is configured in a long strip plate shape and is formed with a hollow structure.

Optionally, the bidirectional rocker arm includes a turntable coaxially connected to the output shaft of the tilt steering engine and two first lugs protruding from the turntable, and each of the first lugs is connected to the corresponding connecting rod.

Optionally, one end of the connecting rod is rotatably connected to the first lug, and the other end of the connecting rod is rotatably connected to a shaft sleeve for mounting the tilting shaft.

Optionally, a second lug is formed on the shaft sleeve, accommodating grooves are formed at two ends of the connecting rod, and the first lug and the second lug are respectively inserted into the accommodating grooves and are rotatably connected with the connecting rod.

Optionally, the shaft sleeve is provided with a lightening hole.

Optionally, the output shaft of the steering wheel that verts with the axle parallel just is located same horizontal plane of verting, the connecting rod level extends, the axle that verts arrives the distance of the output shaft of the steering wheel that verts is the same with corresponding the length of connecting rod.

Optionally, the two connecting rods respectively extend forwards and backwards and are located in the same vertical plane.

According to the second purpose of this disclosure, still provide an unmanned aerial vehicle, including foretell unmanned aerial vehicle tilting mechanism.

Optionally, the unmanned aerial vehicle further comprises a mounting seat for mounting the tilting steering engine on the unmanned aerial vehicle, a first mounting hole is formed in the mounting seat, a second mounting hole corresponding to the first mounting hole is formed in the unmanned aerial vehicle, and the tilting steering engine is mounted on the unmanned aerial vehicle through a fastener.

Through above-mentioned technical scheme, the axle that verts through two connecting rod drives respectively at the both ends of two-way rocking arm to replace and connect the structure of two axles that vert by a connecting rod, avoided because the connecting rod overlength, the problem of easy production vibrations when the action of verting, the stability of fuselage when guaranteeing unmanned aerial vehicle verts is favorable to the adjustment of flight gesture.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic structural view of an unmanned aerial vehicle tilting mechanism provided in an exemplary embodiment of the present disclosure.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a partially enlarged view of a portion B in fig. 1.

Description of the reference numerals

1 tilting steering engine 2 bidirectional rocker arm

21 rotary disc 22 first lug

3 link 31 accommodating groove

4 shaft sleeve 5 second lug

6 lightening hole 7 mounting seat

8 first mounting hole

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the embodiments of the present disclosure, the terms "first", "second", and the like are used for distinguishing one element from another element without order or importance. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated.

Multiaxis unmanned aerial vehicle is many rotor unmanned aerial vehicle promptly for realizing the adjustment of flight gesture, often needs to make the rotor can vert, is provided with the axle that verts of two parallels along the front and back of fuselage or left and right sides direction usually, and the epaxial installation that verts is useful for providing the rotor of lift for unmanned aerial vehicle. When the flight gesture of unmanned aerial vehicle in front and back or left and right sides direction needs to be controlled, the steering wheel drive that verts inclines the axle, and then drives the rotor and verts to finally change unmanned aerial vehicle's flight gesture. Compare in the mode of the certain angle of motor control fuselage slope in order to adjust flight attitude, by verting the axle drive rotor, can realize not taking place to incline at the in-process fuselage that verts, guaranteed unmanned aerial vehicle at the stability of the in-process that verts. In the correlation technique, two incline and adopt a connecting rod to connect between the axle usually to realize the linkage, this kind of structure is because the connecting rod overlength, when inclining the action, the connecting rod can produce vibrations, influences unmanned aerial vehicle at the stability of flight in-process.

For solving the problem that exists among the above-mentioned correlation technique, as shown in fig. 1, this disclosed embodiment provides an unmanned aerial vehicle tilting mechanism, includes: a tilting steering engine 1; the bidirectional rocker arm 2 is connected to an output shaft of the tilting steering engine 1 in a swinging manner; and two connecting rods 3, wherein the two connecting rods 3 are respectively connected to two ends of the bidirectional rocker arm 2 so as to respectively drive the corresponding tilting shafts to rotate when the bidirectional rocker arm 2 swings. In the unmanned aerial vehicle mechanism of verting of this disclosed embodiment, connecting rod 3 can be followed vertical setting, along the fore-and-aft direction of unmanned aerial vehicle fuselage promptly, also can follow horizontal setting, along the left and right sides side direction of unmanned aerial vehicle fuselage promptly. When the tilting mechanism is arranged along the longitudinal direction, the tilting steering engine 1 drives the tilting shaft to tilt, and the rotor wing which tilts along with the tilting shaft has component forces in two directions of upward direction and forward direction (or backward direction), so that the unmanned aerial vehicle is driven to fly forward (or backward); when tilting mechanism along horizontal setting, tilting steering wheel 1 drive tilting shaft takes place to vert, and the rotor that verts along with tilting shaft together has the component force of upwards and two directions left (or right) this moment to drive unmanned aerial vehicle flight left (or right).

The length of two connecting rods 3 can be decided according to the specific structure of the applied unmanned aerial vehicle, and the lengths can be the same or different. When the whole symmetrical structure that is of unmanned aerial vehicle, and the tilting steering wheel 1 of tilting mechanism can install the position of unmanned aerial vehicle's symmetry center, two connecting rods 3 can be designed to have the same length to maintain the holistic balance of unmanned aerial vehicle, when the whole asymmetrical structure that is of unmanned aerial vehicle, perhaps tilting steering wheel 1 because the restriction of unmanned aerial vehicle spare part overall arrangement can't install when the symmetry center puts, for maintaining the holistic balance of unmanned aerial vehicle, two connecting rods 3 can be designed to have different lengths.

Through above-mentioned technical scheme, the axle that verts is driven through two connecting rods 3 respectively at the both ends of two-way rocking arm 2 to replace and connect the structure of two axles that vert by a connecting rod 3, avoided because connecting rod 3 overlength, the problem of easy production vibrations when the action of verting, the stability of fuselage when guaranteeing unmanned aerial vehicle verts is favorable to the adjustment of flight gesture. In addition, the installation direction of the tilting mechanism relative to the unmanned aerial vehicle is changed, and the adjustment of the flight attitude by the unmanned aerial vehicle can be realized.

In the disclosed embodiment, as shown in fig. 1, the connecting rod 3 may be configured in a long plate shape, and may be formed with a hollowed-out structure to reduce the weight of the entire tilt mechanism while ensuring strength and rigidity. When the bidirectional rocker arm 2 includes the first lug 22, the link 3 is configured in an elongated plate shape so that the link 3 can be attached to the outer surface of the first lug 22, and the assembled structure is more compact.

It should be understood that the embodiment of the present disclosure is not limited to a specific structure of the bidirectional swing arm 2, and any structure or method that can drive the connecting rod 3 to make a swinging motion under the driving of the tilt steering engine 1 may be applied to the embodiment of the present disclosure. For example, according to one embodiment, as shown in fig. 1 and 2, the bidirectional rocker arm 2 may include a rotary plate 21 for coaxial connection with the output shaft of the tilt steering engine 1, and two first lugs 22 projecting relatively from the rotary plate 21, each first lug 22 being connected to a corresponding connecting rod 3. Two first lugs 22 protruding relatively from the carousel 21 are equivalent to two swing arms, and under the drive of the steering wheel 1 that verts, the connecting rod 3 that drives and be connected with two first lugs 22 does the pendulum motion. According to other embodiments, the bidirectional swing arm 2 may also be configured as a bar, the center of gravity of the bar is coaxially connected with the output shaft of the tilt steering engine 1, and both ends of the bar are connected with the corresponding connecting rods 3, or the bar is configured as a structure with two symmetrical blades.

In the embodiment of the present disclosure, as shown in fig. 1 to 3, one end of the link 3 is rotatably connected to the first lug 22, and the other end is rotatably connected to the boss 4 for mounting the tilt shaft, so that the bidirectional rocker arm 2, the link 3, and the boss 4 are generally formed in a multi-link structure, enabling rotation flexibility. The tilting shaft and the shaft sleeve 4 are in interference fit. The inner surface of the sleeve 4 may be configured to engage the outer surface profile of the tilt shaft, increasing the fit between the tilt shaft and the sleeve 4. Here, it should be noted that the above-mentioned sleeve 4 is limited by other structures on the body, and can only rotate around its own rotation axis (i.e., the axis of the tilt shaft).

Further, as a connection manner of the connecting rod 3 and the sleeve 4, as shown in fig. 1 to 3, the sleeve 4 may be formed with a second lug 5, the two ends of the connecting rod 3 are configured with receiving grooves 31, and the first lug 22 and the second lug 5 are respectively inserted into the receiving grooves 31 and rotatably connected with the connecting rod 3. The first lug 22 and the second lug 5 are connected with the connecting rod 3 in a manner of being inserted into the accommodating groove 31, so that the connection between the first lug and the second lug is stable, and the connecting rod 3 is not easy to separate in the swinging process along with the bidirectional swinging arm 2. Of course, the first lug 22 and the second lug 5 may also be directly connected to the connecting rod 3 through a rotating shaft, which is not limited in the present disclosure.

To further reduce the weight of the tilt mechanism, as shown in fig. 1 and 3, in the disclosed embodiment, the bushing 4 may be provided with a lightening hole 6.

According to the embodiment of the disclosure, as shown in fig. 1, the output shaft of the tilt steering engine 1 is parallel to the tilt shaft and is located on the same horizontal plane, the connecting rod 3 extends horizontally, and the distance from the tilt shaft to the output shaft of the tilt steering engine 1 is the same as the length of the corresponding connecting rod 3. At the in-process that verts, the output shaft of the steering wheel 1 that verts is parallel with the axle that verts and is located same horizontal plane all the time for unmanned aerial vehicle can keep steady relatively at the flight in-process. The distance of the shaft that verts to the output shaft of the steering wheel 1 that verts is the same with the length of corresponding connecting rod 3, and this kind of structure makes connecting rod 3, the output shaft of the steering wheel 1 that verts and has constituted a parallelogram structure between the shaft, and parallelogram has stable in structure's characteristics, has further improved the stability of unmanned aerial vehicle flight in-process fuselage.

In the embodiment of the present disclosure, as shown in fig. 1, the two links 3 extend forward and backward respectively and are located in the same vertical plane. This kind of two connecting rods 3 extend around and be located the structure of same vertical face can further optimize the arrangement of mechanism of verting in unmanned aerial vehicle, because it only occupies a planar space, therefore can save more spaces in order to install other spare parts for unmanned aerial vehicle.

According to the second aspect of the disclosed embodiment, the disclosed embodiment further provides an unmanned aerial vehicle, which includes the above-mentioned unmanned aerial vehicle tilting mechanism provided by the disclosed embodiment. This unmanned aerial vehicle has all beneficial effects of the unmanned aerial vehicle mechanism of verting that this disclosed embodiment provided.

As shown in fig. 1, in some embodiments of the embodiment of the present disclosure, the unmanned aerial vehicle further includes a mounting seat 7 for installing the tilting steering engine 1 on the unmanned aerial vehicle, a first mounting hole 8 is formed in the mounting seat 7, and a second mounting hole corresponding to the first mounting hole 8 is formed in the unmanned aerial vehicle, so that the tilting steering engine 1 is installed on the unmanned aerial vehicle through a fastener.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The utility model provides an unmanned aerial vehicle mechanism of verting which characterized in that includes:

a tilting steering engine (1);

the bidirectional rocker arm (2) is connected to an output shaft of the tilting steering engine (1) in a swinging manner; and

the connecting rods (3) are connected with the two ends of the bidirectional rocker arm (2) respectively, and the two ends of the bidirectional rocker arm (2) are driven to rotate by the corresponding tilting shafts respectively during swinging of the bidirectional rocker arm (2).

2. Unmanned aerial vehicle tilting mechanism according to claim 1, characterized in that the connecting rod (3) is configured as a long strip plate and is formed with a hollowed-out structure.

3. Unmanned aerial vehicle tilting mechanism according to claim 1, characterized in that the bidirectional rocker arm (2) comprises a turntable (21) for coaxial connection with the output shaft of the tilting steering engine (1) and two first lugs (22) projecting relatively from the turntable (21), each first lug (22) being connected to a corresponding connecting rod (3).

4. Unmanned aerial vehicle tilting mechanism according to claim 3, characterized in that the connecting rod (3) is rotatably connected at one end to the first lug (22) and at the other end to a bushing (4) for mounting the tilting shaft.

5. The unmanned aerial vehicle tilting mechanism according to claim 4, wherein a second lug (5) is formed on the shaft sleeve (4), a containing groove (31) is formed at two ends of the connecting rod (3), and the first lug (22) and the second lug (5) are respectively inserted into the containing groove (31) and are rotatably connected with the connecting rod (3).

6. The unmanned aerial vehicle tilting mechanism according to claim 4, wherein the shaft sleeve (4) is provided with a lightening hole (6).

7. The unmanned aerial vehicle tilting mechanism according to claim 4, wherein the output shaft of the tilting steering engine (1) is parallel to the tilting shaft and is located on the same horizontal plane, the connecting rod (3) extends horizontally, and the distance from the tilting shaft to the output shaft of the tilting steering engine (1) is the same as the length of the corresponding connecting rod (3).

8. The unmanned aerial vehicle tilting mechanism according to any one of claims 1-7, characterized in that the two connecting rods (3) extend respectively back and forth and are located in the same vertical plane.

9. An unmanned aerial vehicle comprising an unmanned aerial vehicle tilt mechanism according to any of claims 1 to 8.

10. The unmanned aerial vehicle of claim 9, further comprising a mounting seat (7) for mounting the tilting steering engine (1) on the unmanned aerial vehicle, wherein the mounting seat (7) is provided with a first mounting hole (8), and the unmanned aerial vehicle is provided with a second mounting hole corresponding to the first mounting hole (8), so that the tilting steering engine (1) is mounted on the unmanned aerial vehicle through a fastener.