CN215475734U - Unmanned aerial vehicle screw fixing device - Google Patents
Unmanned aerial vehicle screw fixing device Download PDFInfo
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- CN215475734U CN215475734U CN202122448883.0U CN202122448883U CN215475734U CN 215475734 U CN215475734 U CN 215475734U CN 202122448883 U CN202122448883 U CN 202122448883U CN 215475734 U CN215475734 U CN 215475734U
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Abstract
The utility model discloses an unmanned aerial vehicle propeller fixing device which comprises a motor and a positioning disc, wherein a driving end of the motor is fixedly connected with a rotating shaft, the middle part of a shaft body of the rotating shaft is uniformly and fixedly connected with a plurality of positioning blocks, the top of the outer diameter of the rotating shaft is in threaded connection with a locking nut, the top of the front end of the locking nut is provided with a groove, and the inner walls of the left end and the right end of the groove are respectively fixed at the left end and the right end of a torsion spring. According to the utility model, the positioning block can be inserted into the positioning groove, the positioning disc is limited by the positioning groove to continuously slide downwards, and then the top of the rotating shaft is limited by rotating the locking nut, so that the trouble that a traditional propeller needs to be fixed by a plurality of screws or damage to a threaded hole of the propeller caused by repeated disassembly and assembly is avoided, the disassembly and assembly efficiency and the durability of the propeller are improved, the torsional spring drives the clamping plate to rotate, the clamping strip is clamped into the clamping groove of the rotating shaft, and the locking nut is prevented from being loosened after long-term use.
Description
Technical Field
The utility model relates to the field of unmanned aerial vehicle equipment, in particular to a propeller fixing device for an unmanned aerial vehicle.
Background
Unmanned aerial vehicle is called unmanned aerial vehicle for short, is the unmanned aerial vehicle that utilizes radio remote control equipment and self-contained program control device to control, or by the vehicle-mounted computer completely or intermittently independently operate, compare with manned aircraft, unmanned aerial vehicle often is more suitable for those too "fool, dirty or dangerous" tasks, unmanned aerial vehicle is in the application of taking photo by plane, agriculture, plant protection, miniature autodyne, express delivery transportation, disaster relief, observe wild animal, control infectious disease, survey and drawing, news report, electric power inspection, relief of disaster, movie & TV shooting, make romantic field etc. field, great expansion unmanned aerial vehicle's own usage.
Chinese patent document CN205971837U discloses a fixed connection device for motor and propeller on unmanned aerial vehicle, which includes propeller and motor in: the propeller is connected with the motor through a quick-release device, and the quick-release device comprises a connecting piece, a first bolt for connecting the connecting piece with the motor and a second bolt for connecting the connecting piece with the propeller. The connecting device of this patent is connected with motor and screw respectively, the screw is direct when dismantling the bolt that will be used for connecting screw and connecting piece take off alright dismantle the screw, need not get the screw through twisting the bolt that links to each other with the motor bolt hole and unload and get the screw again, this installation is dismantled conveniently, motor and screw in frequent dismantlement in-process have been solved, influence motor life scheduling problem, quick dismantlement between motor and the screw has been realized, but when it need dismantle the screw repeatedly, the bolt all slips easily with the through-hole, cause fixed jail or direct unable fixed, so need change the bolt, waste time and energy, be unfavorable for long-term use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides a propeller fixing device for an unmanned aerial vehicle.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides an unmanned aerial vehicle screw fixing device, includes motor and positioning disk, the drive end fixedly connected with pivot of motor, a plurality of locating pieces of the even fixedly connected with in axis body middle part of pivot, the external diameter top threaded connection of pivot has lock nut, lock nut's front end top is provided with the recess, both ends about the torsional spring are fixed respectively to both ends inner wall about the recess, the front end fixedly connected with driving plate of torsional spring, the position that the bottom of positioning disk corresponds the locating piece all is provided with the constant head tank, the top fixedly connected with buffer block of positioning disk, the top sliding connection of buffer block has the slide, the equal fixed connection in the one end of spring in the bottom left and right sides of slide.
As a further description of the above technical solution:
the front end of the transmission plate is fixedly connected with a poking plate.
As a further description of the above technical solution:
the top end of the transmission plate is fixedly connected to the front of the top end of the clamping plate, and the rear of the bottom end of the clamping plate is fixedly connected with a clamping strip.
As a further description of the above technical solution:
and a clamping groove is formed in the top end of the rotating shaft.
As a further description of the above technical solution:
the left end and the right end of the positioning plate are fixedly connected with paddles.
As a further description of the above technical solution:
the bottom of positioning disk corresponds the equal fixedly connected with boss in both sides of constant head tank.
As a further description of the above technical solution:
the other end of the spring is fixedly connected to the top end of the buffer block.
As a further description of the above technical solution:
the inner walls of the positioning disc and the buffer block are both connected with the shaft body of the rotating shaft in a sliding mode.
The utility model has the following beneficial effects:
1. according to the propeller, the rotating shaft is inserted into the through holes of the positioning disc and the buffer block, the positioning disc is pushed downwards, the positioning block can be inserted into the positioning groove by adjusting the angle, the positioning disc is limited by the positioning groove to continuously slide downwards, then the top of the rotating shaft is limited by rotating the locking nut, the positioning disc is prevented from slipping, the installation of a propeller blade is facilitated, the trouble that the traditional propeller needs to be fixed through a plurality of screws or damage to threaded holes of the propeller due to repeated assembly and disassembly is avoided, and the assembly and disassembly efficiency and the durability of the propeller are improved.
2. According to the utility model, the top of the rotating shaft slowly protrudes from the top end of the locking nut by rotating the locking nut, the clamping plate is upwards extruded by the rotating shaft to enable the torsion spring to deform and have certain potential energy, and after the locking nut is continuously rotated to a certain angle, the torsion spring drives the clamping plate to rotate and clamps the clamping strip into the clamping groove of the rotating shaft, so that the rotation of the locking nut is limited, and the locking nut is prevented from loosening after long-term use.
Drawings
Fig. 1 is a perspective view of a propeller fixing device of an unmanned aerial vehicle according to the present invention;
fig. 2 is a schematic view of a rotating shaft structure of the propeller fixing device of the unmanned aerial vehicle provided by the utility model;
fig. 3 is a schematic structural view of a positioning plate of the propeller fixing device of the unmanned aerial vehicle, which is provided by the utility model;
fig. 4 is a schematic structural view of a lock nut of the propeller fixing device of the unmanned aerial vehicle, which is provided by the utility model;
fig. 5 is a schematic structural view of a buffer block of the propeller fixing device of the unmanned aerial vehicle according to the present invention.
Illustration of the drawings:
1. a motor; 2. a rotating shaft; 3. positioning a plate; 4. a paddle blade; 5. a buffer block; 6. locking the nut; 7. a torsion spring; 8. a drive plate; 9. a poking plate; 10. clamping a plate; 11. clamping the strip; 12. positioning a groove; 13. a reinforcing block; 14. positioning blocks; 15. a card slot; 16. a spring; 17. a slide plate; 18. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, one embodiment of the present invention is provided: an unmanned aerial vehicle propeller fixing device comprises a motor 1 and a positioning disk 3, wherein a rotating shaft 2 is fixedly connected with a driving end of the motor 1, a plurality of positioning blocks 14 are uniformly and fixedly connected with the middle part of a shaft body of the rotating shaft 2, a locking nut 6 is in threaded connection with the top part of the outer diameter of the rotating shaft 2, a groove 18 is arranged at the top part of the front end of the locking nut 6, the inner walls of the left end and the right end of the groove 18 are respectively fixed at the left end and the right end of a torsion spring 7, a transmission plate 8 is fixedly connected with the front end of the torsion spring 7, a positioning groove 12 is arranged at the bottom end of the positioning disk 3 corresponding to the positioning block 14, a buffer block 5 is fixedly connected with the top end of the positioning disk 3, a sliding plate 17 is slidably connected with the top end of the buffer block 5, the left side and the right side of the bottom end of the sliding plate 17 are fixedly connected with one end of a spring 16, a certain angle adjusting space can be provided for the locking nut 6 through compression of the spring 16, so that a clamping strip 11 can be smoothly clamped into a clamping groove 15, insert the pivot 2 in the through-hole of positioning disk 3 and buffer block 5, impel positioning disk 3 downwards and make locating piece 14 can insert constant head tank 12 through angle of adjustment in, it continues the lapse to restrict positioning disk 3 through constant head tank 12, then it is spacing to carry out the top of pivot 2 through rotating lock nut 6, prevent 3 slippage of positioning disk, make things convenient for the installation of oar piece 4, it needs to carry out the trouble of fixing or relapse the dismouting through many screws and cause the damage to the screw hole of screw to have avoided traditional screw.
The front end of the transmission plate 8 is fixedly connected with a stirring plate 9, the top end of the transmission plate 8 is fixedly connected with the front end of the top end of the clamping plate 10, the rear end of the bottom end of the clamping plate 10 is fixedly connected with a clamping strip 11, the top end of the rotating shaft 2 is provided with a clamping groove 15, the left end and the right end of the positioning plate 3 are both fixedly connected with paddles 4, the bottom end of the positioning plate 3 corresponding to the two sides of the positioning groove 12 is both fixedly connected with a reinforcing block 13, the structural strength of the positioning plate 3 is improved, meanwhile, a certain protection effect on the positioning block 14 can be achieved, the other end of the spring 16 is both fixedly connected with the top end of the buffer block 5, the inner walls of the positioning plate 3 and the buffer block 5 are both in sliding connection with the shaft body of the rotating shaft 2, the top of the rotating shaft 2 slowly emits out of the top end of the locking nut 6 by rotating the locking nut 6, the clamping plate 10 is upwards extruded by the rotating shaft 2 to enable the torsion spring 7 to deform and have certain potential energy, after the locking nut 6 is continuously rotated to a certain angle, the torsion spring 7 drives the clamping plate 10 to rotate and clamps the clamping strip 11 into the clamping groove 15 of the rotating shaft 2, so that the rotation of the locking nut 6 is limited, and the locking nut 6 is prevented from loosening after long-term use.
The working principle is as follows: firstly, the rotating shaft 2 is inserted into the through holes of the positioning disk 3 and the buffer block 5, the positioning disk 3 is pushed downwards, the positioning blocks 14 can be inserted into the positioning grooves 12 by adjusting the angle, the positioning disk 3 is limited to continuously slide downwards by the positioning grooves 12, then the top of the rotating shaft 2 is limited by rotating the locking nut 6 to prevent the positioning disk 3 from slipping, so that the installation of the blades 4 is facilitated, the trouble that the traditional propeller needs to be fixed by a plurality of screws or damage to the threaded hole of the propeller caused by repeated disassembly and assembly is avoided, the disassembly and assembly efficiency is improved, the top of the rotating shaft 2 slowly protrudes out from the top end of the locking nut 6 by rotating the locking nut 6, the torsion spring 7 is deformed and has certain potential energy by upwards extruding the clamping plate 10 by the rotating shaft 2, after the locking nut 6 is continuously rotated to a certain angle, the torsion spring 7 drives the clamping plate 10 to rotate and clamps the clamping strips 11 into the clamping grooves 15 of the rotating shaft 2, the rotation of the lock nut 6 is restricted, and the lock nut 6 is prevented from loosening after long-term use.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (8)
1. The utility model provides an unmanned aerial vehicle screw fixing device, includes motor (1) and positioning disk (3), its characterized in that: the driving end of the motor (1) is fixedly connected with a rotating shaft (2), the middle part of the shaft body of the rotating shaft (2) is uniformly and fixedly connected with a plurality of positioning blocks (14), the top of the outer diameter of the rotating shaft (2) is in threaded connection with a locking nut (6), the top of the front end of the locking nut (6) is provided with a groove (18), the inner walls of the left end and the right end of the groove (18) are respectively fixed at the left end and the right end of the torsion spring (7), the front end of the torsion spring (7) is fixedly connected with a transmission plate (8), the bottom end of the positioning plate (3) is provided with positioning grooves (12) corresponding to the positioning blocks (14), the top end of the positioning disc (3) is fixedly connected with a buffer block (5), the top end of the buffer block (5) is connected with a sliding plate (17) in a sliding way, the left side and the right side of the bottom end of the sliding plate (17) are fixedly connected to one end of the spring (16).
2. The propeller fixing device of an unmanned aerial vehicle of claim 1, wherein: the front end of the transmission plate (8) is fixedly connected with a poking plate (9).
3. The propeller fixing device of an unmanned aerial vehicle of claim 1, wherein: the top end of the transmission plate (8) is fixedly connected to the front of the top end of the clamping plate (10), and the rear of the bottom end of the clamping plate (10) is fixedly connected with a clamping strip (11).
4. The propeller fixing device of an unmanned aerial vehicle of claim 1, wherein: and a clamping groove (15) is formed in the top end of the rotating shaft (2).
5. The propeller fixing device of an unmanned aerial vehicle of claim 1, wherein: the left end and the right end of the positioning disc (3) are fixedly connected with paddles (4).
6. The propeller fixing device of an unmanned aerial vehicle of claim 1, wherein: the bottom end of the positioning disc (3) corresponds to the two sides of the positioning groove (12) and is fixedly connected with a reinforcing block (13).
7. The propeller fixing device of an unmanned aerial vehicle of claim 1, wherein: the other end of the spring (16) is fixedly connected to the top end of the buffer block (5).
8. The propeller fixing device of an unmanned aerial vehicle of claim 1, wherein: the inner walls of the positioning disc (3) and the buffer block (5) are both in sliding connection with the shaft body of the rotating shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122448883.0U CN215475734U (en) | 2021-10-12 | 2021-10-12 | Unmanned aerial vehicle screw fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122448883.0U CN215475734U (en) | 2021-10-12 | 2021-10-12 | Unmanned aerial vehicle screw fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215475734U true CN215475734U (en) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122448883.0U Active CN215475734U (en) | 2021-10-12 | 2021-10-12 | Unmanned aerial vehicle screw fixing device |
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| CN (1) | CN215475734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114735198A (en) * | 2022-04-28 | 2022-07-12 | 南昌三瑞智能科技有限公司 | Propeller structure and rapid development and shaping method |
| CN115126982A (en) * | 2022-07-22 | 2022-09-30 | 深圳鹏锐信息技术股份有限公司 | Three-dimensional visual modeling platform for digital power plant |
-
2021
- 2021-10-12 CN CN202122448883.0U patent/CN215475734U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114735198A (en) * | 2022-04-28 | 2022-07-12 | 南昌三瑞智能科技有限公司 | Propeller structure and rapid development and shaping method |
| CN114735198B (en) * | 2022-04-28 | 2024-04-26 | 南昌三瑞智能科技有限公司 | Propeller structure and rapid development and shaping method |
| CN115126982A (en) * | 2022-07-22 | 2022-09-30 | 深圳鹏锐信息技术股份有限公司 | Three-dimensional visual modeling platform for digital power plant |
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