TWI386346B - Flapping flapper - Google Patents

Description

Shoot flapping gear

The present invention relates to a transmission device, and more particularly to a flapping wing transmission.

"Bionics" (Bionics) is mainly to observe, study and simulate the structure, principle, behavior, various organ functions, physical and chemical processes in the body, energy supply, memory and transmission, etc. Machinery or solve existing technical problems.

The invention patent application of the Republic of China No. 200930619, "Bionic-shaped micro-aircraft with a trajectory of a figure of 8", discloses a four-bar linkage mechanism for driving a flap formed by a flexible carbon fiber rod and a parylene film. A bionic micro-aircraft that produces a three-dimensional 8-shaped trajectory of the wing with a specific rate of airflow flapping up and down.

However, in addition to the four-bar linkage mechanism, the bionic micro-aircraft must cooperate with the front-rear vibration of the flow direction to generate a three-dimensional figure-shaped trajectory of the wing tip. Therefore, the flapping wing of the bionic micro-aircraft must be expensive. The electromechanical process is made of a flexible carbon fiber rod and a parylene film, so that the manufacturing cost of the bionic micro-aircraft is high; further, since the flap of the bionic micro-aircraft must couple the upper and lower periodic vibrations of the flow direction Only a three-dimensional figure-shaped trajectory is generated, and therefore, the stability of the flap of the bionic micro-aircraft is poor.

How to reduce the manufacturing cost of the bionic aircraft and improve the stability of the bionic aircraft has become the next problem to be overcome in the study of bionic aircraft.

Accordingly, it is an object of the present invention to provide a flapping wing transmission that simulates a biological flap flight and that is inexpensive to manufacture and highly stable.

Therefore, the flapping wing transmission device of the present invention comprises a base, a first flapping wing unit pivoted on the base, and a first pivoting unit on the base corresponding to the first flapping wing unit. A two-shot flapping wing unit and a power unit for driving the first and second flapping wing units.

The first flapping flap unit includes a first link set pivoted on the base, a first drive gear set pivoted on the base to drive the first link set, and a first connection a first wing on the first link set.

The second flapping wing unit includes a second link set pivotally coupled to the base corresponding to the first link set, and a second pivoted on the base to drive the second link set a drive gear set and a second wing connected to the second link set.

The power unit includes a power source disposed on the base, a driving gear that is driven to rotate by the power source, and a reduction gear set that meshes with the driving gear.

The utility model has the advantages that the driving gear and the reduction gear set transmit the power of the power source to drive the first and second driving gear sets, thereby driving the first and second connecting rod groups to interlock the first and second wing generating The flapping motion with the same closed trajectory simulates the condition of the biological flapping flight, which is not only low in manufacturing cost but also high in stability.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

Referring to FIG. 1, a preferred embodiment of the flapping wing transmission device 1 of the present invention comprises a base 2, a first flapping wing unit 3 pivoted on the base 2, and a first flapping wing unit. 3 corresponds to the second flapping wing unit 4 pivoted on the base 2, and a power unit 5 for driving the first and second flapping flap units 3, 4.

The base 2 includes a connecting plate 21 , a mounting plate 22 spaced apart from the connecting plate 21 , and a bracket 23 connected to the connecting plate 21 . The connecting plate 21 is interposed between the mounting plate 22 and the bracket Between 23 .

The first flapping flap unit 3 includes a first link set 31 pivoted on the connecting plate 21 of the base 2, and a first pivoting member on the base 2 to drive the first link set 31. A driving gear set 32, a first wing 33 connected to the first link group 31, and a first wing film 34 connected to the first wing 33.

The second flapping flap unit 4 includes a second link set 41 pivotally connected to the connecting plate 21 of the base 2 corresponding to the first link set 31, and is pivoted on the base 2 for driving a second drive gear set 42 of the second link set 41, a second wing 43 connected to the second link set 41, and a second wing film 44 connected to the second wing 43 . The first and second link sets 31, 41 and the first and second wings 33, 43 are made of carbon fiber material.

In the preferred embodiment, the first and second link sets 31, 41 are located on opposite sides of the mounting plate 22, but in practical applications, the first and second link sets 31, 41 can also be borrowed. By the size control and thus on the same side of the mounting plate 22, the same effect can still be achieved.

Referring to FIGS. 1 and 2, for convenience of description of FIG. 2, a part of the member is omitted. The power unit 5 includes a power source 51 disposed on the base 2, a driving gear 52 rotating for driving the power source 51, and A reduction gear set 53 that meshes with the drive gear 52. In the preferred embodiment, the power source 51 is a motor.

Referring to FIGS. 2 and 3, and referring back to FIG. 1 , the first link group 31 has a first rotating shaft 311 pivotally mounted on the connecting plate 21 of the base 2 for omitting a part of the member in FIG. a first driving rod 312, one end of which is sleeved on the first rotating shaft 311, a first driven rod 313 whose one end is pivotally mounted on the mounting plate 22 of the base 2, and one end of which is pivotally connected The first driving rod 312 and the first coupling rod 314 of the first driven rod 313; and the first driving gear set 32 has a first mandrel 321 extending from the first rotating shaft 311 to the base 2 a first driving gear 322 coupled to the first rotating shaft 311, and a first driven gear 323 coupled to the first spindle 321 and intermeshing with the first driving gear 322, the first A wing 33 is coupled to the first coupling rod 314.

Referring to FIGS. 2 and 4, and referring back to FIG. 1 , for the convenience of the description of the components in FIG. 4 , the second link set 41 has a connecting plate 21 pivotally connected to the base 2 corresponding to the first rotating shaft 311 . a second rotating shaft 411, a second driving rod 412 with one end sleeved on the second rotating shaft 411, a second driven rod 413 with one end pivoted on the base 2, and one end The second driving rod 412 and the second coupling rod 414 of the second driven rod 413 are respectively pivotally connected; and the second driving gear set 42 has a second extending distance from the second rotating shaft 411 to the base 2 a second spindle 421, a second driving gear 422 coupled to the second rotating shaft 411, a second driven gear 423 coupled to the second spindle 421, and a pivoting base 423 The second drive gear 422 and the idler gear 424 of the second driven gear 423 are coupled to the second coupling rod 414.

Referring to Figures 2 and 5, and referring back to Figure 1, for ease of explanation of the components omitted in Figure 5, the reduction gear set 53 has an axis spaced from the power source 51 and placed on the connecting plate 21 of the base 2. An output shaft 532 pivotally disposed on the connecting plate 21 of the base 2 and a first reduction gear 533 pivotally coupled to the shaft 531 and intermeshing with the driving gear 52 a second reduction gear 534 coupled to the output shaft 532 and intermeshing with the first reduction gear 533, and a third reduction gear 535 spaced from the second reduction gear 534 to the output shaft 532 a first transmission gear 536 coupled to the first spindle 321 and intermeshing with the third reduction gear 535, and a set of the second spindle 421 and the third reduction gear 535 Engaged second transmission gear 537.

In use, the driving gear 52 can transmit the power of the power source 51 to the intermeshing first and second reduction gears 533, 534, since the diameters and the number of teeth of the first and second reduction gears 533, 534 are greater than The diameter of the driving gear 52 and the number of teeth, so that the rotation speed of the output shaft 532 can be reduced, and the third reduction gear 535 sleeved on the output shaft 532 can be rotated, and the third reduction gear 535 simultaneously drives the first, The two transmission gears 536, 537 rotate, thereby driving the first and second spindles 321, 421 to rotate.

Referring to FIGS. 2 and 3, the first spindle 321 rotates to simultaneously rotate the first driven gear 323, and the first driven gear 323 is engaged to drive the first sleeve on the first rotating shaft 311. The driving gear 322, in turn, drives the first rotating shaft 311 and the first driving rod 312 sleeved on the first rotating shaft 311 to rotate according to the direction indicated by an arrow 61 in FIG. 3, and cooperates with the first coupling rod 314 and the first coupling rod 314. The moving rod 313 causes the first wing 33 to produce a flapping motion of a closed trajectory which is substantially the same as the trajectory of the long-eared batwing wing as indicated by an arrow 62 in FIG.

Referring to FIGS. 2 and 4, when the second spindle 421 rotates, the second driven gear 423 is simultaneously rotated, and the second driving gear 422 can be coupled to the second driven gear by the idler 424. The gear 423 rotates in the same direction, and the second rotating shaft 411 and the second driving rod 412 that is sleeved on the second rotating shaft 411 are rotated according to the direction indicated by the arrow 63 in FIG. 4, and the second coupling rod 414 is matched with the second coupling rod 414. The second follower rod 413 causes the second wing 43 to produce a flapping motion of a closed trajectory which is substantially the same as the trajectory of the long-eared batwing wing as indicated by an arrow 64 in FIG.

With the above design, the first and second flapping flap units 3, 4 can generate the flapping motion of the closed trajectory shown by arrows 62 and 64 in FIG. 6 without fitting the airflow at a specific rate, thereby not only effectively reducing manufacturing. Cost can also improve the stability of the flapping movement.

In summary, the flapping wing transmission device 1 of the present invention transmits the power of the power source 51 by the driving gear 52 and the reduction gear set 53 to drive the first and second driving gear sets 32 and 42 to drive the first The two link groups 31, 41 are combined with the first and second wings 33, 43 to generate a flapping motion with the same closed trajectory to simulate the flight condition of the biological flap, which is not only low in manufacturing cost but also high in stability, so it is true The object of the invention can be achieved.

The above is only the preferred embodiment of the present invention, and the scope of the invention is not limited thereto, that is, the simple equivalent changes and modifications made by the scope of the invention and the description of the invention are All remain within the scope of the invention patent.

1. . . Shoot flapping gear

2. . . Pedestal

twenty one. . . Connection plate

twenty two. . . Mounting plate

twenty three. . . support

3. . . First flapping wing unit

31. . . First link set

311. . . First shaft

312. . . First drive rod

313. . . First follower

314. . . First coupling

32. . . First drive gear set

321. . . First mandrel

322. . . First drive gear

323. . . First driven gear

33. . . First wing

34. . . First wing membrane

4. . . Second flapping wing unit

41. . . Second link set

411. . . Second shaft

412. . . Second drive rod

413. . . Second follower

414. . . Second coupling rod

42. . . Second drive gear set

421. . . Second mandrel

422. . . Second drive gear

423. . . Second driven gear

424. . . Idler

43. . . Second wing

44. . . Second wing membrane

5. . . Power unit

51. . . Power source

52. . . Drive gear

53. . . Reduction gear set

531. . . Shaft

532. . . Output shaft

533. . . First reduction gear

534. . . Second reduction gear

535. . . Third reduction gear

536. . . First transmission gear

537. . . Second transmission gear

61~64. . . arrow

Figure 1 is an exploded perspective view showing a preferred embodiment of the flapping wing transmission of the present invention;

Figure 2 is a partial plan view, assistance to illustrate Figure 1, in which some of the components are omitted;

Figure 3 is a side elevational view showing the first flapping wing unit of the preferred embodiment, wherein a part of the member is omitted;

Figure 4 is a side elevational view showing the second flapping wing unit of the preferred embodiment, wherein a part of the member is omitted;

Figure 5 is another side elevational view showing the embodiment of the power unit of the preferred embodiment, wherein a part of the member is omitted;

Figure 6 is a schematic diagram showing the simulation of the preferred embodiment of the preferred embodiment using the ADAMS/View software.

1. . . Shoot flapping gear

2. . . Pedestal

twenty one. . . Connection plate

twenty two. . . Mounting plate

twenty three. . . support

3. . . First flapping wing unit

31. . . First link set

311. . . First shaft

312. . . First drive rod

313. . . First follower

314. . . First coupling

32. . . First drive gear set

322. . . First drive gear

323. . . First driven gear

33. . . First wing

34. . . First wing membrane

4. . . Second flapping wing unit

41. . . Second link set

411. . . Second shaft

412. . . Second drive rod

413. . . Second follower

414. . . Second coupling rod

42. . . Second drive gear set

422. . . Second drive gear

423. . . Second driven gear

424. . . Idler

43. . . Second wing

44. . . Second wing membrane

5. . . Power unit

51. . . Power source

53. . . Reduction gear set

531. . . Shaft

532. . . Output shaft

533. . . First reduction gear

534. . . Second reduction gear

536. . . First transmission gear

537. . . Second transmission gear

Claims (7)

A flapping flap transmission device includes: a base; a first flapping flap unit, including a first link set pivoted on the base, and a pivoting base on the base to drive the first a first driving gear set of the connecting rod set, and a first wing connected to the first connecting rod set, the first connecting rod set has a first rotating shaft and one end pivoted on the base a first driving rod that is sleeved on the first rotating shaft, a first driven rod that is pivotally disposed on the base, and one end of which is pivotally connected to the first driving rod and the first driven rod a first coupling rod of the rod, and the first driving gear set has a first mandrel extending from the first rotating shaft to the base, a first driving gear coupled to the first rotating shaft, and a first driving gear a first driven gear that is engaged with the first spindle and intermeshes with the first driving gear, the first wing is connected to the first coupling rod; and a second flapping wing unit includes a second link set pivotally disposed on the base corresponding to the first link set, and a second drive gear set pivotally mounted on the base to drive the second link set, a second wing that is connected to the second link set, the second link set has a second rotating shaft that is pivotally disposed on the base corresponding to the first rotating shaft, and one end is fitted to the first rotating shaft a second driving rod on the two rotating shafts, a second driven rod pivotally disposed on the base, and a second coupling of the second driving rod and the second driven rod a second driving gear set having a second mandrel extending from the second rotating shaft to the base, a second driving gear coupled to the second rotating shaft, and a set of the second driving gear Second on the two mandrels a driven gear, and an idler wheel pivotally mounted on the base and engaging the second drive gear and the second driven gear, the second wing is connected to the second coupling rod; and a power The unit includes a power source disposed on the base, a driving gear driven to rotate the power source, and a reduction gear set meshing with the driving gear; the driving gear and the reduction gear set can transmit the power The power of the source drives the first and second drive gear sets, thereby causing the first and second wings to produce a flapping motion having the same closed trajectory. The flapping gear transmission according to claim 1, wherein the reduction gear set has a shaft that is spaced from the power source and is disposed on the base, and is spaced apart from the shaft. An output shaft on the base, a first reduction gear pivoted on the shaft and intermeshing with the driving gear, and a second reduction gear coupled to the output shaft and intermeshing with the first reduction gear a third reduction gear that is spaced from the second reduction gear and is coupled to the output shaft, a first transmission gear that is coupled to the first spindle and intermeshes with the third reduction gear, and a set a second transmission gear coupled to the second spindle and intermeshing with the third reduction gear. The flapping wing transmission device according to claim 1, wherein the first and second link sets and the first and second wing fins are made of carbon fiber. The flapping wing transmission device according to claim 1, wherein the power source is a motor. The flapping wing transmission device of claim 1, wherein the first flapping wing unit further comprises a first wing film connected to the first wing, and the second flapping wing unit Further comprising a second wing film attached to the second wing. According to the flapping wing transmission device of claim 1, wherein the closed trajectory generated by the first and second wings is substantially the same as the trajectory of the long-eared bat wings. The slap-up flap transmission device of claim 2, wherein the base comprises a connecting plate, a mounting plate spaced apart from the connecting plate, and a bracket connected to the connecting plate, wherein The connecting plate is interposed between the mounting plate and the bracket, the first and second rotating shafts are extending and extending on the connecting plate and the mounting plate, and the first and second spindles and the output shaft are extending and extending. The first and second driving gear sets and the reduction gear set are located on opposite sides of the connecting plate.