CN214875537U - Unmanned aerial vehicle screw anticreep device - Google Patents
Unmanned aerial vehicle screw anticreep device Download PDFInfo
- Publication number
- CN214875537U CN214875537U CN202120381087.7U CN202120381087U CN214875537U CN 214875537 U CN214875537 U CN 214875537U CN 202120381087 U CN202120381087 U CN 202120381087U CN 214875537 U CN214875537 U CN 214875537U
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- unmanned aerial
- aerial vehicle
- sleeve
- propeller
- side wall
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- 230000000670 limiting effect Effects 0.000 claims description 33
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses an unmanned aerial vehicle propeller anti-drop device, which comprises an unmanned aerial vehicle body; propeller structures are arranged at the diagonal positions of the unmanned aerial vehicle body respectively; the propeller structure comprises an anti-drop mounting structure and propeller blades; the propeller blade passes through the anticreep mounting structure and stabilizes in the drive arrangement drive end of unmanned aerial vehicle body, just the corresponding card of embedding end of anticreep mounting structure is in the drive arrangement drive end. The utility model provides an unmanned aerial vehicle screw anticreep device can effectually prevent the effect of unmanned aerial vehicle screw slippage in flight process.
Description
Technical Field
The utility model relates to an unmanned aerial vehicle field especially relates to unmanned aerial vehicle screw anticreep field.
Background
Unmanned aerial vehicles are used more and more frequently in life, and the unmanned aerial vehicles bring much convenience to people and are more and more concerned by people; the unmanned aerial vehicle is inevitably damaged in the long-term use process, and particularly the part rotationally connected with the propeller is easy to loosen due to high vibration frequency, so that accidents are likely to occur and the unmanned aerial vehicle is damaged; therefore need design the structure that can prevent the slippage of unmanned aerial vehicle screw in order to guarantee that unmanned aerial vehicle lasts normal flight.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the not enough of existence among the prior art, the utility model provides an unmanned aerial vehicle screw anticreep device can effectually prevent the effect of unmanned aerial vehicle at flight in-process screw slippage.
The technical scheme is as follows: in order to achieve the above purpose, the technical scheme of the utility model is as follows:
an unmanned aerial vehicle propeller anti-drop device comprises an unmanned aerial vehicle body; propeller structures are arranged at the diagonal positions of the unmanned aerial vehicle body respectively; the propeller structure comprises an anti-drop mounting structure and propeller blades; the propeller blade is fixed on the driving end of the driving device of the unmanned aerial vehicle body through the anti-falling mounting structure, and the embedded end of the anti-falling mounting structure is correspondingly clamped on the driving end of the driving device; the propeller slippage is avoided, and the normal flight is guaranteed.
Further, the anti-drop mounting structure comprises a sleeve; the propeller blades are circumferentially and fixedly arranged on the side wall of the sleeve; one end of the sleeve is arranged in a closed manner, and the other end of the sleeve is sleeved on the driving end of the driving device correspondingly; a ring groove is formed in the side wall of the driving end of the driving device; the section of the annular groove is triangular, and the depth of the annular groove corresponding to the closed end of the sleeve is gradually increased; the limiting end in the sleeve is correspondingly embedded into the annular groove; used for clamping the limiting elastic block.
Furthermore, a plurality of accommodating grooves are formed in the sleeve corresponding to the circumferential interval of the inner wall of the closed end; a limiting elastic block is correspondingly arranged in the accommodating groove; one end of the limiting elastic block is hinged with the inner wall of the accommodating groove; an elastic piece is clamped between the side wall of the other end of the limiting elastic block and the inner wall of the accommodating groove; the limiting elastic block protrudes out of the accommodating groove at one end back to the elastic piece, and the protruding end of the limiting elastic block is correspondingly embedded into the enlarged end of the annular groove; the better limiting effect is achieved.
Furthermore, a plurality of salient points are fixedly arranged on the end surface of the protruding end of the limiting elastic block; the convex points are contacted with the side wall of the enlarged end of the ring groove; the surface-to-surface contact is replaced by the point-to-surface contact, so that the friction can be effectively reduced, and the disassembly and the assembly are convenient.
Furthermore, movable grooves are formed in the side wall accommodating groove of the sleeve towards one side of the open end of the sleeve at intervals; the plurality of movable grooves are uniformly distributed in the circumferential direction; the movable groove is correspondingly provided with a connecting strip; a ring sheet is arranged in the sleeve; one end of the connecting strip extending into the sleeve is fixedly connected with the side wall of the ring piece; the other end of the connecting strip is fixedly provided with a pushing ring block; convenient manual dismouting.
Furthermore, the side wall of the ring piece is tightly attached to the inner wall of the sleeve and arranged in a sliding manner; the inner wall of the ring piece is arranged in a gap with the side wall of the driving end of the driving device; the disassembly and assembly are convenient.
Has the advantages that: the utility model can prevent the propeller from slipping through the anti-slipping mounting structure, and ensure the normal flight of the unmanned aerial vehicle; including but not limited to the following benefits:
1) when the unmanned aerial vehicle is installed, the limiting elastic block is clamped into the annular groove, so that the sleeve can be prevented from slipping off the driving end of the driving device, the unmanned aerial vehicle can be ensured to normally fly, and the damage to the unmanned aerial vehicle caused by accidents is avoided;
2) through setting up drivable ring piece, in the exogenic action ring piece supported spacing elastic block into the storage tank, the sleeve pipe just so can just can pull down the sleeve pipe, makes things convenient for the dismouting not just by spacing like this.
Drawings
FIG. 1 is a diagram of a structure of an unmanned aerial vehicle;
FIG. 2 is a view of the propeller structure;
FIG. 3 is a view of the anti-separation installation structure;
FIG. 4 is a diagram of a structure of a limit bullet block;
FIG. 5 is a view of a ring plate.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached figures 1-5: an unmanned aerial vehicle propeller anti-falling device comprises an unmanned aerial vehicle body 1; the propeller structures 2 are arranged on the opposite angles of the unmanned aerial vehicle body 1; the propeller structure 2 comprises an anti-drop mounting structure 3 and propeller blades 21; propeller blade 21 passes through anticreep mounting structure 3 and stabilizes on the drive arrangement drive end of unmanned aerial vehicle body 1, just anticreep mounting structure 3's the corresponding card in built-in end is on the drive arrangement drive end. The unmanned aerial vehicle generates buoyancy through rotation of the propellers, so that the unmanned aerial vehicle body is driven to fly, and in the flying process of the unmanned aerial vehicle, the propeller connection parts need to be connected tightly, so that the propeller falling caused by vibration of the propellers is avoided, and the damage to the unmanned aerial vehicle is seriously caused; consequently set up anticreep mounting structure between screw and unmanned aerial vehicle body and can effectually prevent at the flight in-process, the screw drops.
The anti-drop mounting structure 3 comprises a sleeve 31; the propeller blades 21 are annularly and fixedly arranged on the side wall of the sleeve 31; one end of the sleeve 31 is closed, and the other end of the sleeve 31 is sleeved on the driving end of the driving device correspondingly; a ring groove 4 is formed in the side wall of the driving end of the driving device; the section of the ring groove 4 is triangular, and the depth of the ring groove 4 is gradually increased corresponding to the closed end of the sleeve 31; the limiting end of the sleeve 31 is correspondingly embedded into the annular groove 4. During installation, the sleeve is sleeved on the driving end of the driving device, the limiting end in the sleeve is embedded into the annular groove, and the annular groove can clamp the limiting end in the sleeve, so that the sleeve and the propeller blade can be prevented from slipping.
A plurality of accommodating grooves 311 are formed in the sleeve 31 at intervals corresponding to the circumferential direction of the inner wall of the closed end; the accommodating groove 311 is correspondingly provided with a limiting elastic block 312; one end of the limiting elastic block 312 is hinged with the inner wall of the containing groove 311; an elastic element 313 is clamped between the side wall of the other end of the limiting elastic block 312 and the inner wall of the accommodating groove 311; the end of the limiting elastic block 312 opposite to the elastic element 313 protrudes out of the accommodating groove 311, and the protruding end of the limiting elastic block 312 is correspondingly embedded into the enlarged end of the ring groove 4. When the limiting elastic block is installed in a sleeved mode, the side wall of the driving end of the driving device abuts against the containing groove; when the limiting elastic block is correspondingly embedded into the annular groove, the elastic piece extends to abut against the limiting elastic block in the annular groove, so that the sleeve cannot be easily separated from the driving end of the driving device; avoid the accident, just can cause unmanned aerial vehicle to damage
A plurality of salient points 314 are fixedly arranged on the end surface of the protruding end of the limiting elastic block 312; the raised point 314 is in contact with the enlarged end side wall of the ring groove 4. The convex points are in contact with the inner wall of the annular groove, so that the limiting effect can be achieved, meanwhile, the limiting elastic block can be conveniently driven to be separated from the annular groove, the design can be conveniently carried out, and the annular groove is convenient and fast to assemble and disassemble.
The side wall accommodating groove 311 of the sleeve 31 is provided with movable grooves 32 at intervals towards one side of the open end of the sleeve 31; the plurality of movable grooves 32 are circumferentially and uniformly distributed; the movable groove 32 is correspondingly provided with a connecting strip 321; a ring piece 33 is arranged in the sleeve 31; one end of the connecting strip 321 extending into the sleeve 31 is fixedly connected with the side wall of the ring piece 33; the other end of the connecting bar 321 is fixedly provided with a pushing ring block 34. When needs are dismantled, external force push-and-pull promotes the ring piece and drives the connecting strip at the activity inslot motion, and the connecting strip just can drive the ring piece and move at the intraductal motion of cover like this, and the ring piece pushes away to the motion along spacing elastic block lateral wall, just so can pull out the sleeve pipe in just so, convenient operation with spacing elastic block pushing into the storage tank.
The side wall of the ring piece 33 is tightly attached to the inner wall of the sleeve 31 and arranged in a sliding manner; the inner wall of the ring piece 33 is arranged in a clearance with the side wall of the driving end of the driving device. The ring piece can be ensured to tightly abut against the limiting elastic block, and the limiting elastic block is abutted into the accommodating groove, so that the assembly and disassembly are convenient; and the ring piece is ensured not to collide with the ring groove.
The above description is of the preferred embodiment of the present invention, and it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the principles of the invention, and these modifications and variations are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides an unmanned aerial vehicle screw anticreep device which characterized in that: comprises an unmanned aerial vehicle body (1); the propeller structures (2) are arranged on the opposite angles of the unmanned aerial vehicle body (1) respectively; the propeller structure (2) comprises an anti-falling mounting structure (3) and propeller blades (21); propeller blade (21) are firm on the drive arrangement drive end of unmanned aerial vehicle body (1) through anticreep mounting structure (3), just the corresponding card of built-in end of anticreep mounting structure (3) is in the drive arrangement drive end.
2. The propeller anti-drop device for the unmanned aerial vehicle according to claim 1, wherein: the anti-falling mounting structure (3) comprises a sleeve (31); the propeller blades (21) are fixedly arranged on the side wall of the sleeve (31) in the circumferential direction; one end of the sleeve (31) is arranged in a closed manner, and the other end of the sleeve (31) is sleeved on the driving end of the driving device correspondingly; a ring groove (4) is formed in the side wall of the driving end of the driving device; the section of the ring groove (4) is triangular, and the depth of the ring groove (4) corresponding to the closed end of the sleeve (31) is gradually increased; the limiting end of the sleeve (31) is correspondingly embedded into the annular groove (4).
3. The propeller anti-drop device for the unmanned aerial vehicle according to claim 2, wherein: a plurality of accommodating grooves (311) are formed in the sleeve (31) corresponding to the circumferential interval of the inner wall of the closed end; a limiting elastic block (312) is correspondingly arranged in the accommodating groove (311); one end of the limiting elastic block (312) is hinged with the inner wall of the containing groove (311); an elastic piece (313) is clamped between the side wall of the other end of the limiting elastic block (312) and the inner wall of the accommodating groove (311); one end of the limiting elastic block (312), which is back to the elastic piece (313), protrudes out of the accommodating groove (311), and the protruding end of the limiting elastic block (312) is correspondingly embedded into the enlarged end of the annular groove (4).
4. The propeller anti-drop device for the unmanned aerial vehicle as claimed in claim 3, wherein: a plurality of salient points (314) are fixedly arranged on the end surface of the protruding end of the limiting elastic block (312); the salient point (314) is contacted with the side wall of the enlarged end of the annular groove (4).
5. The propeller anti-drop device for the unmanned aerial vehicle according to claim 2, wherein: the side wall accommodating groove (311) of the sleeve (31) is provided with movable grooves (32) at intervals towards one side of the open end of the sleeve (31); the plurality of movable grooves (32) are circumferentially and uniformly distributed; the movable groove (32) is internally and correspondingly provided with a connecting strip (321); a ring piece (33) is arranged in the sleeve (31); one end of the connecting strip (321) extending into the sleeve (31) is fixedly connected with the side wall of the ring piece (33); and a pushing ring block (34) is fixedly arranged at the other end of the connecting strip (321).
6. The propeller anti-drop device for the unmanned aerial vehicle of claim 5, wherein: the side wall of the ring piece (33) is tightly attached to the inner wall of the sleeve (31) and arranged in a sliding manner; the inner wall of the ring piece (33) is arranged in a clearance with the side wall of the driving end of the driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120381087.7U CN214875537U (en) | 2021-02-20 | 2021-02-20 | Unmanned aerial vehicle screw anticreep device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120381087.7U CN214875537U (en) | 2021-02-20 | 2021-02-20 | Unmanned aerial vehicle screw anticreep device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214875537U true CN214875537U (en) | 2021-11-26 |
Family
ID=78858774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120381087.7U Expired - Fee Related CN214875537U (en) | 2021-02-20 | 2021-02-20 | Unmanned aerial vehicle screw anticreep device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214875537U (en) |
-
2021
- 2021-02-20 CN CN202120381087.7U patent/CN214875537U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |