CN111252244B - Can strut or fold unmanned aerial vehicle of flabellum - Google Patents
Can strut or fold unmanned aerial vehicle of flabellum Download PDFInfo
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- CN111252244B CN111252244B CN202010229568.6A CN202010229568A CN111252244B CN 111252244 B CN111252244 B CN 111252244B CN 202010229568 A CN202010229568 A CN 202010229568A CN 111252244 B CN111252244 B CN 111252244B
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- side wall
- fixedly arranged
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- transmission shaft
- cavity
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- 241000883990 Flabellum Species 0.000 title claims description 4
- 230000005540 biological transmission Effects 0.000 claims abstract description 132
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C27/00—Rotorcraft; Rotors peculiar thereto
- B64C27/32—Rotors
- B64C27/46—Blades
- B64C27/473—Constructional features
- B64C27/50—Blades foldable to facilitate stowage of aircraft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D47/00—Equipment not otherwise provided for
- B64D47/08—Arrangements of cameras
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/10—Propulsion
- B64U50/19—Propulsion using electrically powered motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Remote Sensing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Toys (AREA)
Abstract
The invention discloses an unmanned aerial vehicle capable of expanding or folding fan blades, which comprises a first transmission cavity arranged in a main machine body, a first storage cavity arranged at the lower side of the first transmission cavity, a lower side wall of the first storage cavity communicated with the outside of the main machine body, a camera arranged at the lower side of the first storage cavity, and a first transmission device for driving the camera to rotate by three hundred sixty degrees; the unmanned aerial vehicle is simple and convenient to operate and low in manufacturing cost, the fan blades can be unfolded or folded through the screw rod four and the nut three-screw matching, so that the overall size of the unmanned aerial vehicle is reduced, the space is saved, and the camera can be collected into the containing cavity through the screw rod one and the screw rod two-screw matching, so that the camera is prevented from being collided.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle capable of opening or closing fan blades.
Background
With the gradual maturity of unmanned aerial vehicle technology, manufacturing cost and entry thresholds are reduced, the consumer-grade unmanned aerial vehicle market has exploded, while the civilian unmanned aerial vehicle market is in the early night of the explosion. The shadow of unmanned aerial vehicle appears more and more in occasions such as advertisement, movie & TV, wedding video recording, but current unmanned aerial vehicle flabellum all launches always for unmanned aerial vehicle retrieves or deposits and occupy a large amount of spaces, and the last camera of unmanned aerial vehicle all is fixed, and does not establish protection device.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle capable of opening or closing fan blades, which is used for overcoming the defects in the prior art.
The unmanned aerial vehicle capable of opening or closing the fan blades comprises a main machine body, a first transmission cavity is arranged in the main machine body, a first storage cavity is arranged on the lower side of the first transmission cavity, the lower side wall of the first storage cavity is communicated with the outside of the main machine body, a camera is arranged on the lower side of the first storage cavity, a first transmission device for driving the camera to rotate by three hundred sixty degrees is arranged in the first storage cavity, a recovery device for recovering the camera into the first storage cavity is arranged in the first transmission cavity, a first screw rod and a second screw rod are sequentially arranged between the first transmission cavity and the first storage cavity from left to right in a rotating mode, a first disc matched with the first screw rod 26 and the second screw rod in a spiral mode is arranged in the first storage cavity, a second disc is arranged in the first disc in a rotating mode, a first motor is fixedly arranged on the upper side wall of the second disc, and a first transmission shaft is rotatably, a first connecting rod is symmetrically hinged between the first transmission shaft and the front and rear walls of the camera, a first guide groove is formed in the lower side wall of the second disc, a second motor is rotatably mounted on the right side wall of the first guide groove, a third screw rod is rotatably mounted on the left side wall of the second motor, a first nut which is spirally matched with the third screw rod is slidably arranged in the first guide groove, a first supporting block is fixedly arranged on the lower side wall of the first nut, and a second connecting rod is hinged between the first supporting block and the front and rear walls of the camera; the screw rod III is in spiral fit with the nut I to drive the nut I to move left and right along the guide groove I, the nut I drives the camera to swing left and right through the connecting rod II and the connecting rod, and meanwhile, the camera is driven to rotate through rotation of the transmission shaft I.
On the basis of the technical scheme, the recovery device comprises a motor III fixedly installed on the upper side wall of a transmission cavity I, the tail end of the upper side of a screw rod I is rotatably installed on the lower side wall of the motor III, a belt wheel I is fixedly arranged on the screw rod I in the transmission cavity I, a belt wheel II is fixedly arranged on the screw rod II in the transmission cavity I, a belt is arranged between the belt wheel II and the belt wheel I in a transmission manner, a limit block I is fixedly arranged at the tail end of the lower side of the screw rod I, a limit block II is fixedly arranged at the tail end of the lower side of the screw rod II, an auxiliary groove communicated with the transmission cavity I is formed in the upper side wall of an accommodating cavity, and the auxiliary groove.
On the basis of the technical scheme, auxiliary machine bodies are symmetrically and fixedly arranged on the left side wall and the right side wall of the main machine body, a transmission cavity II is formed in the auxiliary machine body, a sliding groove is formed in the upper side of the transmission cavity II, a transmission shaft II is rotatably arranged between the sliding groove and the transmission cavity II, a transmission shaft III extending upwards to the outside of the auxiliary machine body is rotatably arranged on the side wall of the sliding groove, an auxiliary block I is fixedly arranged between the transmission shaft III and the transmission shaft II, a supporting block II is fixedly arranged at the tail end of the upper side of the transmission shaft III in an annular array mode, a fan blade is hinged to the supporting block II, a transmission device II for driving the fan blade to rotate is arranged in the transmission cavity II, and a transmission device III for opening.
On the basis of the technical scheme, the second transmission device comprises a fourth motor fixedly installed on the upper side wall of the second transmission cavity, a fourth transmission shaft is installed on the lower side wall of the fourth motor in a rotating mode, a first bevel gear and a second bevel gear are sequentially and fixedly arranged on the fourth transmission shaft from top to bottom, limiting plates are symmetrically and fixedly arranged at the front and back positions between the upper wall and the lower wall of the second transmission cavity, nuts are slidably arranged on two sides between the limiting plates, a fifth transmission shaft extending leftwards and rightwards is arranged in the nuts in a rotating mode, the tail end of the right side of the fifth transmission shaft is fixedly provided with a third bevel gear meshed with the first bevel gear or the second bevel gear, the tail end of the left side of the fifth transmission shaft is fixedly provided with a.
On the basis of the technical scheme, the third transmission device comprises a first electromagnet fixedly arranged on the lower side wall of the second nut, a second electromagnet fixedly arranged on the lower side wall of the second transmission cavity, a spring fixedly arranged between the first electromagnet and the second electromagnet, a second guide groove communicated with the sliding groove is formed in the upper side wall of the second transmission cavity, an iron block is arranged in the second guide groove in a sliding manner, the tail end of the lower side of the iron block is fixedly arranged on the upper side wall of the second nut, a first magnet is fixedly arranged on the right side wall of the sliding groove, a clamping block is arranged in the sliding groove in a sliding manner, a connecting block is fixedly arranged on the right side wall of the clamping block, a second magnet is fixedly arranged on the right side tail end of the connecting block, a third guide groove is formed in the third transmission shaft, the third guide groove extends downwards into the second transmission cavity, a fourth screw rod is rotatably arranged in the second transmission cavity, and a sixth, a third nut matched with the fourth screw rod in a spiral mode is arranged in the third guide groove in the third transmission shaft in a sliding mode, a fourth guide groove is formed in the inner wall of the third guide groove in an annular array mode, a third supporting block is arranged in the fourth guide groove in a sliding mode, the third supporting block is fixedly arranged on the third nut, a second auxiliary block is fixedly arranged on the lower side wall of the fan blade, and a third connecting rod is hinged between the second auxiliary block and the third supporting block.
On the basis of the technical scheme, the lower side wall array of the main machine body is fixedly provided with the supporting rods, and the tail ends of the lower sides of the supporting rods are fixedly provided with the soft pads.
The invention has the beneficial effects that: the unmanned aerial vehicle is simple and convenient to operate and low in manufacturing cost, the fan blades can be unfolded or folded through the screw rod four and the nut three-screw matching, so that the overall size of the unmanned aerial vehicle is reduced, the space is saved, and the camera can be collected into the containing cavity through the screw rod one and the screw rod two-screw matching, so that the camera is prevented from being collided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic front view of an unmanned aerial vehicle capable of opening or closing fan blades according to the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic view of the structure at A-A in FIG. 1;
FIG. 4 is a schematic view of the structure at B-B in FIG. 3;
FIG. 5 is an enlarged view of the second portion of the transmission cavity of FIG. 1;
FIG. 6 is a schematic view of the structure at C-C in FIG. 5;
FIG. 7 is an enlarged view of the receiving cavity of FIG. 1;
fig. 8 is an enlarged view of the structure of fig. 1 at the position of the fan blade.
Detailed Description
The invention will now be described in detail with reference to fig. 1-8, for the sake of convenience, the orientations described hereinafter being defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
Referring to fig. 1 to 8, an unmanned aerial vehicle capable of opening or closing fan blades according to an embodiment of the present invention includes a main body 10, a first transmission cavity 11 is provided in the main body 10, a first receiving cavity 15 is provided at a lower side of the first transmission cavity 11, a lower side wall of the first receiving cavity 15 is communicated with an outside of the main body 10, a camera 32 is provided at a lower side of the first receiving cavity 15, a first transmission device 71 for driving the camera 32 to rotate three hundred and sixty degrees is provided in the first receiving cavity 15, a first recovery device 72 for recovering the camera 32 into the first receiving cavity 15 is provided in the first transmission cavity 11, the first transmission device 71 includes a first screw 26 and a second screw 12 which are sequentially rotatably provided between the first receiving cavity 15 and the first transmission cavity 11 from left to right, a first disc 36 spirally engaged with the first screw 26 and the second screw 12 is provided in the first receiving cavity 15, a second disc 35 is rotatably provided in the first disc 36, a first motor 14 is fixedly installed on the upper side wall of the second disc 35, a first transmission shaft 34 is rotatably installed between the lower side wall of the first motor 14 and the second disc 35, first connecting rods 50 are symmetrically hinged between the first transmission shaft 34 and the front and rear walls of the camera 32, a first guide groove 39 is formed in the lower side wall of the second disc 35, a second motor 42 is rotatably installed on the right side wall of the first guide groove 39, a third screw 38 is rotatably installed on the left side wall of the second motor 42, a first nut 45 in spiral fit with the third screw 38 is slidably installed in the first guide groove 39, a first support block 41 is fixedly installed on the lower side wall of the first nut 45, and a second connecting rod 40 is hinged between the first support block 41 and the front side wall of the camera 32; the third screw 38 is in screw fit with the first nut 45 to drive the first nut 45 to move left and right along the first guide groove 39, the first nut 45 drives the camera 32 to swing left and right through the second connecting rod 40 and the first connecting rod 50, and simultaneously drives the camera 32 to rotate through the rotation of the first transmission shaft 34.
In addition, in one embodiment, the recycling device 72 includes a motor three 31 fixedly installed on the upper side wall of the first transmission cavity 11, the upper end of the first screw 26 is rotatably installed on the lower side wall of the motor three 31, a pulley one 49 is fixedly installed on the first screw 26 in the first transmission cavity 11, a pulley two 33 is fixedly installed on the second screw 12 in the first transmission cavity 11, a belt 48 is arranged between the pulley two 33 and the pulley one 49 in a transmission manner, a stopper one 37 is fixedly installed on the lower end of the first screw 26, a stopper two 43 is fixedly installed on the lower end of the second screw 12, an auxiliary groove 13 communicated with the first transmission cavity 11 is formed on the upper side wall of the accommodating cavity 15, and the auxiliary groove 13 is located right above the motor one 14; the first screw 26 drives the second screw 12 to rotate synchronously through the first belt wheel 49, the second belt wheel 33 and the belt 48, and the first disc 36 moves up and down along the first screw 26 and the second screw 12 through spiral matching with the first screw 26 and the second screw 12.
In addition, in one embodiment, the auxiliary body 24 is symmetrically and fixedly disposed on the left and right side walls of the main body 10, a second transmission cavity 22 is disposed in the auxiliary body 24, a sliding groove 53 is disposed on the upper side of the second transmission cavity 22, a second transmission shaft 56 is rotatably disposed between the sliding groove 53 and the second transmission cavity 22, a third transmission shaft 28 extending upward to the outside of the auxiliary body 24 is rotatably disposed on the upper side wall of the sliding groove 53, a first auxiliary block 55 is fixedly disposed between the third transmission shaft 28 and the second transmission shaft 56, a second support block 29 is fixedly disposed at the end of the upper side of the third transmission shaft 28 in an annular array, the second support block 29 is hinged to a fan blade 30, a second transmission device 73 for driving the fan blade 30 to rotate is disposed in the second transmission cavity 22, and a third transmission device 74 for opening or closing the fan blade 30 is disposed in the second.
In addition, in one embodiment, the second transmission device 73 includes a fourth motor 25 fixedly mounted on the upper side wall of the second transmission cavity 22, a fourth transmission shaft 63 is rotatably mounted on the lower side wall of the fourth motor 25, a first bevel gear 64 and a second bevel gear 18 are fixedly mounted on the fourth transmission shaft 63 from top to bottom, limiting plates 58 are symmetrically and fixedly arranged between the upper wall and the lower wall of the second transmission cavity 22 at the front and back positions, a second nut 62 is slidably arranged between the limiting plates 58 at the two sides, a fifth transmission shaft 51 extending left and right is rotatably arranged in the second nut 62, a third bevel gear 19 meshed with the first bevel gear 64 or the second bevel gear 18 is fixedly mounted at the tail end of the right side of the fifth transmission shaft 51, a fourth bevel gear 20 is fixedly mounted at the tail end of the left side of the fifth transmission shaft 51, and a fifth bevel gear; the fourth transmission shaft 63 is meshed with the third bevel gear 19 through the first bevel gear 64 to drive the fifth transmission shaft 51 to rotate, the fifth transmission shaft 51 is meshed with the fifth bevel gear 23 through the fourth bevel gear 20 to drive the second transmission shaft 56 to rotate, and the second transmission shaft 56 drives the fan blades 30 to rotate.
In addition, in one embodiment, the third transmission device 74 includes a first electromagnet 61 fixedly arranged on a lower side wall of the second nut 62, a second electromagnet 60 fixedly arranged on a lower side wall of the second transmission cavity 22, a spring 59 fixedly arranged between the first electromagnet 61 and the second electromagnet 60, a second guide groove 67 communicated with the sliding groove 53 and formed on an upper side wall of the second transmission cavity 22, an iron block 52 is slidably arranged in the second guide groove 67, a lower end of the iron block 52 is fixedly arranged on an upper side wall of the second nut 62, a first magnet 66 is fixedly arranged on a right side wall of the sliding groove 53, a clamping block 69 is slidably arranged in the sliding groove 53, a connecting block 68 is fixedly arranged on a right side wall of the clamping block 69, a second magnet 65 is fixedly arranged on a right end of the connecting block 68, a third guide groove 44 is formed in the third transmission shaft 28, the third guide groove 44 extends downwards into the second transmission cavity 22, a fourth screw 57 is rotatably arranged in the second, a bevel gear six 21 meshed with the bevel gear four 20 is fixedly arranged on the screw rod four 57 in the transmission cavity two 22, a nut three 46 in screw fit with the screw rod four 57 is arranged in the guide groove three 44 in the transmission shaft three 28 in a sliding manner, a guide groove four 54 is arranged on the inner wall of the guide groove three 44 in an annular array manner, a support block three 47 is arranged in the guide groove four 54 in a sliding manner, the support block three 47 is fixedly arranged on the nut three 46, an auxiliary block two 70 is fixedly arranged on the lower side wall of the fan blade 30, and a connecting rod three 27 is hinged between the auxiliary block two 70 and the support block three 47; the first electromagnet 61 and the second electromagnet 60 are electrified, the iron block 52 is pulled away from the position between the second magnet 65 and the first magnet 66, so that the latch 69 is moved leftward by the repulsive force generated by the second magnet 65 and the first magnet 66, and the first auxiliary block 55 is latched to block the rotation of the fan blade 30, meanwhile, the bevel gear four 20 is meshed with the bevel gear six 21, the bevel gear three 19 is meshed with the bevel gear two 18, the transmission shaft IV 63 drives the transmission shaft V51 to rotate by meshing the bevel gear II 18 with the bevel gear III 19, the transmission shaft five 51 drives the screw rod four 57 turns by meshing the bevel gear four 20 with the bevel gear six 21, the screw rod four 57 is in screw fit with the nut three 46 to drive the supporting block three 47 to move up and down along the guide groove four 54, the supporting block III 47 can open or close the fan blades 30 through the connecting rod III 27.
In addition, in one embodiment, the bottom wall array of the main body 10 is fixedly provided with a support bar 17, and the bottom end of the support bar 17 is fixedly provided with a soft pad 16.
In the initial state, the spring 59 is in a relaxed state, so that the bevel gear four 20 is meshed with the bevel gear five 23, the bevel gear three 19 is meshed with the bevel gear one 64, and the iron block 52 is positioned between the magnet two 65 and the magnet one 66, so that the magnet two 65 is attracted to the iron block 52.
When the fan blade support starts to work, the second electromagnet 60 and the first electromagnet 61 are electrified, so that the bevel gear four 20 is meshed with the bevel gear six 21, the bevel gear three 19 is meshed with the bevel gear two 18, the motor four 25 is started, and the fan blade 30 is supported through the transmission device three 74.
After the unmanned aerial vehicle is unfolded, the second electromagnet 60 and the first electromagnet 61 are powered off, so that the fourth bevel gear 20 is meshed with the fifth bevel gear 23, the third bevel gear 19 is meshed with the first bevel gear 64, and the fourth motor 25 drives the fan blades 30 to rotate through the second transmission device 73, so that the unmanned aerial vehicle is lifted off.
When shooting, the motor three 31 starts, through recovery unit 72 drives camera 32 moves out downwards in the storage cavity 15, and through transmission 71 drives camera 32 rotates, carries out all-round shooting.
The invention has the beneficial effects that: the unmanned aerial vehicle is simple and convenient to operate and low in manufacturing cost, the fan blades can be unfolded or folded through the screw rod four and the nut three-screw matching, so that the overall size of the unmanned aerial vehicle is reduced, the space is saved, and the camera can be collected into the containing cavity through the screw rod one and the screw rod two-screw matching, so that the camera is prevented from being collided.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and scope of the present invention are intended to be included therein.
Claims (1)
1. The utility model provides an unmanned aerial vehicle that can strut or fold flabellum, includes the host computer body, the internal transmission chamber that is equipped with of host computer is one, transmission chamber one side is equipped with accomodates the chamber, accomodate under the chamber lateral wall with the external intercommunication of host computer, it is equipped with camera, its characterized in that to accomodate the chamber downside: the camera is characterized in that a first transmission device for driving the camera to rotate by three hundred and sixty degrees is arranged in the containing cavity, a first screw and a second screw are arranged in the first transmission cavity in a rotating mode from left to right, a first disc matched with the first screw and the second screw is arranged in the containing cavity, a second disc is arranged in the first disc in a rotating mode, a first motor is fixedly installed on the side wall of the second disc, a first transmission shaft is rotatably installed between the lower side wall of the first motor and the second disc, a first connecting rod is symmetrically hinged between the first transmission shaft and the front and rear walls of the camera, a first guide groove is formed in the lower side wall of the second disc, a second motor is rotatably installed on the right side wall of the first guide groove, and a third screw is rotatably installed on the left side wall of the second motor, a first nut which is spirally matched with the screw rod III is arranged in the guide groove I in a sliding mode, a first support block is fixedly arranged on the lower side wall of the nut, and a second connecting rod is hinged between the first support block and the front side wall of the camera; the screw rod III is in spiral fit with the nut I to drive the nut I to move left and right along the guide groove I, the nut I drives the camera to swing left and right through the connecting rod II and the connecting rod, and simultaneously drives the camera to rotate through one rotation of the transmission shaft; the recovery device comprises a motor III fixedly installed on the upper side wall of the transmission cavity I, the tail end of the upper side of the screw rod I is rotatably installed on the lower side wall of the motor III, a belt wheel I is fixedly arranged on the screw rod I in the transmission cavity I, a belt wheel II is fixedly arranged on the screw rod II in the transmission cavity I, a belt is arranged between the belt wheel II and the belt wheel I in a transmission manner, a limit block I is fixedly arranged at the tail end of the lower side of the screw rod I, a limit block II is fixedly arranged at the tail end of the lower side of the screw rod II, an auxiliary groove communicated with the transmission cavity I is formed in the upper side wall of the accommodating cavity, and the auxiliary groove is; auxiliary machine bodies are symmetrically and fixedly arranged on the left side wall and the right side wall of the main machine body, a transmission cavity II is arranged in the auxiliary machine body, a sliding groove is formed in the upper side of the transmission cavity II, a transmission shaft II is rotatably arranged between the sliding groove and the transmission cavity II, a transmission shaft III extending upwards to the outside of the auxiliary machine body is rotatably arranged on the side wall of the sliding groove, an auxiliary block I is fixedly arranged between the transmission shaft III and the transmission shaft II, a support block II is fixedly arranged at the tail end of the upper side of the transmission shaft III in an annular array mode, fan blades are hinged to the support block II, a transmission device II driving the fan blades to rotate is arranged in the transmission cavity II, and a transmission device III used for expanding or folding; the transmission device II comprises a motor IV fixedly arranged on the upper side wall of the transmission cavity II, a transmission shaft IV is rotatably arranged on the lower side wall of the motor IV, a bevel gear I and a bevel gear II are fixedly arranged on the transmission shaft IV from top to bottom in sequence, limiting plates are symmetrically and fixedly arranged between the upper wall and the lower wall of the transmission cavity II in the front-back position, a nut II is slidably arranged between the limiting plates on two sides, a transmission shaft V extending leftwards and rightwards is rotatably arranged in the nut II, a bevel gear III meshed with the bevel gear I or the bevel gear II is fixedly arranged at the tail end of the right side of the transmission shaft V, a bevel gear IV is fixedly arranged at the tail end of the left side of the transmission shaft V; the third transmission device comprises a first electromagnet fixedly arranged on the lower side wall of the second nut, a second electromagnet fixedly arranged on the lower side wall of the second transmission cavity, a spring fixedly arranged between the first electromagnet and the second electromagnet, a second guide groove communicated with the sliding groove and formed in the upper side wall of the second transmission cavity, an iron block is arranged in the second guide groove in a sliding manner, the tail end of the lower side of the iron block is fixedly arranged on the upper side wall of the second nut, a first magnet is fixedly arranged on the right side wall of the sliding groove, a clamping block is arranged in the sliding groove in a sliding manner, a connecting block is fixedly arranged on the right side wall of the clamping block, a second magnet is fixedly arranged on the right side tail end of the connecting block, a third guide groove is formed in the third transmission shaft, the three-way downward extending into the second transmission cavity, a fourth screw rod is rotatably arranged in the second transmission cavity, and a sixth bevel, a third nut which is spirally matched with the fourth screw rod is arranged in the third guide groove in the third transmission shaft in a sliding manner, a fourth guide groove is formed in the inner wall of the third guide groove in an annular array manner, a third support block is arranged in the fourth guide groove in a sliding manner, the third support block is fixedly arranged on the third nut, a second auxiliary block is fixedly arranged on the lower side wall of the fan blade, and a third connecting rod is hinged between the second auxiliary block and the third support block; the side wall array has set firmly the bracing piece under the host computer body, the cushion has set firmly at bracing piece downside end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010229568.6A CN111252244B (en) | 2020-03-27 | 2020-03-27 | Can strut or fold unmanned aerial vehicle of flabellum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010229568.6A CN111252244B (en) | 2020-03-27 | 2020-03-27 | Can strut or fold unmanned aerial vehicle of flabellum |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111252244A CN111252244A (en) | 2020-06-09 |
| CN111252244B true CN111252244B (en) | 2020-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010229568.6A Active CN111252244B (en) | 2020-03-27 | 2020-03-27 | Can strut or fold unmanned aerial vehicle of flabellum |
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| CN (1) | CN111252244B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108408660A (en) * | 2018-05-10 | 2018-08-17 | 成都蒲江珂贤科技有限公司 | A kind of electrician's swing type cable hoisting frame |
| CN108894671A (en) * | 2018-07-09 | 2018-11-27 | 王晓 | A kind of automatic push-pull pulley door gear |
| CN109183032A (en) * | 2018-10-18 | 2019-01-11 | 方余 | A kind of chemical process |
| CN209408199U (en) * | 2018-10-30 | 2019-09-20 | 石狮市佰旺五金有限责任公司 | A kind of production hardware plate burnishing device |
| CN109770632A (en) * | 2018-12-25 | 2019-05-21 | 河南库课文化科技股份有限公司 | A kind of sculpture show stand for art teaching |
| CN110027703B (en) * | 2019-05-24 | 2024-04-12 | 广东电网有限责任公司 | Unmanned aerial vehicle electric power folding flight oar |
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