CN212099335U

CN212099335U - Variable pitch propeller structure

Info

Publication number: CN212099335U
Application number: CN202020696926.XU
Authority: CN
Inventors: 窦立
Original assignee: Nanjing Electronic Technology Co ltd
Current assignee: Nanjing Electronic Technology Co ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-08
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a displacement propeller structure, including two paddles, sliding sleeve, actuating lever, motor and steering wheel, the fixed pivot and the card post of setting at the pivot top that is equipped with of paddle one end, the bearing is installed through the bolt to pivot outside one end, the sliding sleeve bottom is equipped with the stand pipe, the inside layer board that is equipped with of sliding sleeve, layer board bottom fixedly connected with actuating lever, actuating lever run through the stand pipe and extend to the bottom of stand pipe, the motor top is equipped with the steering wheel bottom plate of fixed plate and fixed mounting at the fixed plate top, the pivot of motor runs through the bottom of fixed plate and steering wheel bottom plate fixed connection to actuating lever. The utility model discloses a positive reverse work of control steering wheel can promote the regulating arm up-and-down motion, makes the stand pipe slide along the actuating lever, makes the sliding sleeve drive the paddle and uses the pivot to rotate as the axle center, can realize adjusting the angle of paddle, the utility model discloses rational in infrastructure, the displacement is adjusted convenient and fast, and simple structure is reasonable.

Description

Variable pitch propeller structure

Technical Field

The utility model relates to an unmanned air vehicle technique field, in particular to pitch-variable propeller structure.

Background

The variable pitch propeller is a propeller capable of automatically (or manually) changing the blade angle according to the flying speed and the height in flight, and utilizes the maximum effective power of an engine at any flying speed. The variable pitch mechanism structure that light, little, miniature unmanned aerial vehicle generally adopted at present is comparatively complicated and weight is great to be not fit for light, little, miniature unmanned aerial vehicle's application. To this end, we propose a pitch propeller structure.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a displacement propeller structure, during the displacement is adjusted, through the positive reverse work of control steering wheel, can promote the regulating arm up-and-down motion, make the stand pipe slide along the actuating lever, because the card post that the paddle set up is installed in the draw-in groove that the sliding sleeve set up, when the stand pipe slides from top to bottom, make the sliding sleeve drive the paddle and use the pivot to rotate as the axle center, can realize the angle of adjusting the paddle, the displacement is adjusted convenient and fast, and simple structure is reasonable, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a variable pitch propeller structure comprises two blades, a sliding sleeve, a driving rod, a motor and a steering engine, wherein one end of each blade is fixedly provided with a rotating shaft and a clamping column arranged at the top of the rotating shaft, one end of the outer side of the rotating shaft is provided with a bearing through a bolt, the bottom of the sliding sleeve is provided with a guide pipe, a supporting plate is arranged inside the sliding sleeve, the bottom of the supporting plate is fixedly connected with the driving rod, the driving rod penetrates through the guide pipe and extends to the bottom of the guide pipe, the top of the motor is provided with a fixed plate and a steering engine bottom plate fixedly arranged at the top of the fixed plate, the rotating shaft of the motor penetrates through the fixed plate and the steering engine bottom plate and is fixedly connected to the bottom of the driving rod, two sides of the sliding sleeve are respectively provided with a U-shaped groove and, the utility model discloses a paddle, including paddle, steering wheel, one end lock, the outside of stand pipe and the bottom fixed mounting that is located the regulating arm have a spacing ring, the card post that the paddle set up is installed in the draw-in groove, the steering wheel is installed at steering wheel bottom plate top, and the top that is located the steering wheel is equipped with the regulating arm of fixed mounting at the steering wheel output shaft, the one end lock of regulating arm is in the outside of.

Further, paddle, pivot and card post are integrated into one piece structure, sliding sleeve and stand pipe are integrated into one piece structure and are the T style of calligraphy, actuating lever and layer board are integrated into one piece structure and are the T style of calligraphy.

Furthermore, the bottom of the clamping block is provided with a groove matched with the bearing, and the clamping block is fixed on the top of the supporting plate through a screw.

Further, the output shaft of the steering engine is in threaded connection with the adjusting arm.

Further, the motor and the steering engine are both electrically connected with a power supply and a controller.

Compared with the prior art, the utility model discloses following beneficial effect has: through the positive reverse work of control steering wheel, can promote the regulating arm up-and-down motion, make the stand pipe slide along the actuating lever, make the sliding sleeve drive the paddle and use the pivot to rotate as the axle center, can realize adjusting the angle of paddle, the utility model discloses rational in infrastructure, the displacement is adjusted convenient and fast, and simple structure is reasonable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the sliding sleeve top surface structure of the present invention.

Fig. 3 is a schematic view of the structure of the blade of the present invention.

Fig. 4 is a schematic view of the internal structure of the sliding sleeve of the present invention.

Fig. 5 is a schematic view of the whole structure of the sliding sleeve of the present invention.

Fig. 6 is a schematic view of the fixture block mounting structure of the present invention.

In the figure: 1. a paddle; 2. a card slot; 3. a sliding sleeve; 4. an adjusting arm; 5. a drive rod; 6. a fixing plate; 7. a motor; 8. a steering engine bottom plate; 9. a steering engine; 10. a clamping block; 11. a bolt; 12. a bearing; 13. a guide tube; 14. a limiting ring; 15. a rotating shaft; 16. a support plate; 17. clamping the column; 18. a U-shaped groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-6, a variable pitch propeller structure comprises two blades 1, a sliding sleeve 3, a driving rod 5, a motor 7 and a steering engine 9, wherein one end of each blade 1 is fixedly provided with a rotating shaft 15 and a clamping column 17 arranged at the top of the rotating shaft 15, one end of the outer side of the rotating shaft 15 is provided with a bearing 12 through a bolt 11, the bottom of the sliding sleeve 3 is provided with a guide pipe 13, a supporting plate 16 is arranged inside the sliding sleeve 3, the bottom of the supporting plate 16 is fixedly connected with the driving rod 5, the driving rod 5 penetrates through the guide pipe 13 and extends to the bottom of the guide pipe 13, the top of the motor 7 is provided with a fixed plate 6 and a steering engine bottom plate 8 fixedly arranged at the top of the fixed plate 6, the rotating shaft of the motor 7 penetrates through the fixed plate 6 and the steering engine bottom plate 8 and is fixedly connected to the bottom of the driving rod 5, both sides of the sliding sleeve 3 are, and the pivot 15 is located the inside one end of sliding sleeve 3 and installs at the top of layer board 16 through fixture block 10, the card post 17 that paddle 1 set up is installed in draw-in groove 2, steering wheel 9 is installed at steering wheel bottom plate 8 top, and the top that is located steering wheel 9 is equipped with the regulating arm 4 of fixed mounting at steering wheel 9 output shaft, the one end lock of regulating arm 4 is in the outside of stand pipe 13, the outside of stand pipe 13 and the bottom fixed mounting who is located regulating arm 4 have spacing ring 14.

The utility model relates to a displacement propeller structure, can drive actuating lever 5 and paddle 1 through 7 work of control motor and rotate, realize unmanned aerial vehicle flight, during the displacement is adjusted, through the positive reverse work of control steering wheel 9, can promote the upper and lower motion of regulating arm 4, make the stand pipe 13 slide along actuating lever 5, because the card post 17 of paddle 1 setting is installed in draw-in groove 2 that sliding sleeve 3 set up, when sliding sleeve 13 from top to bottom, make sliding sleeve 3 drive paddle 1 use pivot 15 to rotate as the axle center, can realize adjusting paddle 1's angle, the displacement is adjusted convenient and fast, and simple structure is reasonable.

Wherein, paddle 1, pivot 15 and card post 17 are the integrated into one piece structure, sliding sleeve 3 and stand pipe 13 are the integrated into one piece structure and are the T style of calligraphy, actuating lever 5 and layer board 16 are the integrated into one piece structure and are the T style of calligraphy, and integrated into one piece's design can improve stability, prevents to scatter in high-speed flight.

The bottom of the fixture block 10 is provided with a groove matched with the bearing 12, the fixture block 10 is fixed on the top of the supporting plate 16 through a screw, the bearing 12 is fixed on the supporting plate 16 through the fixture block 10, and the stability can be improved through the arranged groove.

An output shaft of the steering engine 9 is in threaded connection with the adjusting arm 4, and the adjusting arm 4 can move up and down when the steering engine 9 controls the output shaft to rotate positively and negatively.

Wherein, the motor 7 and the steering engine 9 are both electrically connected with a power supply and a controller.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a variable pitch propeller structure, includes two paddle (1), sliding sleeve (3), actuating lever (5), motor (7) and steering wheel (9), its characterized in that: the blade is characterized in that a rotating shaft (15) and a clamping column (17) arranged at the top of the rotating shaft (15) are fixedly arranged at one end of the blade (1), a bearing (12) is installed at one end of the outer side of the rotating shaft (15) through a bolt (11), a guide pipe (13) is arranged at the bottom of the sliding sleeve (3), a supporting plate (16) is arranged inside the sliding sleeve (3), a driving rod (5) is fixedly connected to the bottom of the supporting plate (16), the driving rod (5) penetrates through the guide pipe (13) and extends to the bottom of the guide pipe (13), a fixed plate (6) and a steering engine bottom plate (8) fixedly arranged at the top of the fixed plate (6) are arranged at the top of the motor (7), the rotating shaft of the motor (7) penetrates through the fixed plate (6) and the steering engine bottom plate (8) and is fixedly connected to the bottom of the driving rod (5), U-shaped, the paddle is characterized in that the paddle (1) is installed in a U-shaped groove (18) formed in the sliding sleeve (3) through a rotating shaft (15), one end of the rotating shaft (15) located inside the sliding sleeve (3) is installed at the top of the supporting plate (16) through a clamping block (10), a clamping column (17) formed in the paddle (1) is installed in a clamping groove (2), a steering engine (9) is installed at the top of a steering engine bottom plate (8), an adjusting arm (4) fixedly installed on an output shaft of the steering engine (9) is arranged above the steering engine (9), one end of the adjusting arm (4) is buckled on the outer side of the guide pipe (13), and a limiting ring (14) is fixedly installed at the bottom of the adjusting arm (4) and on the outer side of the guide pipe (.

2. A variable pitch propeller structure as claimed in claim 1, wherein: paddle (1), pivot (15) and card post (17) are the integrated into one piece structure, sliding sleeve (3) and stand pipe (13) are the integrated into one piece structure and are the T style of calligraphy, actuating lever (5) and layer board (16) are the integrated into one piece structure and are the T style of calligraphy.

3. A variable pitch propeller structure as claimed in claim 1, wherein: the bottom of the clamping block (10) is provided with a groove matched with the bearing (12), and the clamping block (10) is fixed on the top of the supporting plate (16) through screws.

4. A variable pitch propeller structure as claimed in claim 1, wherein: and an output shaft of the steering engine (9) is in threaded connection with the adjusting arm (4).

5. A variable pitch propeller structure as claimed in claim 1, wherein: the motor (7) and the steering engine (9) are electrically connected with a power supply and a controller.