Unmanned aerial vehicle propeller convenient to assemble
By setting a sealing structure on the connecting head of the drone propeller, the problem of poor sealing during the assembly process of the drone propeller is solved, and the effects of convenient assembly and anti-corrosion are achieved.
Patent Information
- Application Number
- CN202421715937.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-07-19
AI Technical Summary
During the assembly process of drone propellers, the connection where the drive part extends outside the propeller is not easy to seal, which leads to the problem of rust at the assembly position.
A drone propeller with blades is installed on a connecting head. The connecting head is provided with a mounting hole and a threaded port. A threaded head is inserted into the threaded port. A sealing structure is installed between the threaded port and the threaded head, including a mounting port, a round cover, a rubber sleeve and a bolt. The structure is connected through a threaded groove and combined with a tapered sleeve and a sealing ring to achieve sealing between the driving part and the connecting head.
The convenient assembly and sealing of the UAV propeller is achieved, the rust at the assembly position is avoided, and the reliability and sealing of the assembly are improved.
Smart Images
Figure CN223420953U_ABST
Abstract
Description
Technical Field
[0001] This patent relates to the technical field of drone propellers, specifically a drone propeller that is easy to assemble. Background Art
[0002] Unmanned aerial vehicles (UAVs) are unmanned aircraft controlled by radio remote control equipment and self-contained program control devices, or operated completely or intermittently autonomously by an onboard computer. UAVs are driven by propellers. However, during the assembly process of current UAV propellers, the drive parts extend out of the propeller for connection, and the connection point between the propeller and the drive parts is not convenient for sealing. In addition, the assembly position of the UAV propeller is exposed, which will cause rust at the assembly position over a long period of time. Utility Model Content
[0003] The purpose of this patent is to provide a drone propeller that is easy to assemble.
[0004] To achieve the above objectives, this patent provides the following technical solutions: a propeller for a drone that is easy to assemble, comprising a connector, characterized in that: blades are mounted on the connector, the number of the blades is three, and the blades are distributed equidistantly in a ring shape on the connector;
[0005] The connector is provided with a mounting hole, a threaded opening is provided in the mounting hole, and a threaded head is sleeved in the threaded opening;
[0006] A sealing structure is installed between the threaded opening and the threaded head, and the sealing structure includes a mounting opening, a round cover, a rubber sleeve, a bolt and a threaded groove;
[0007] The installation port is opened in the threaded port, the bolt is installed on the round cover, the threaded groove is opened on the threaded head, the rubber sleeve is sleeved outside the bolt, the bolt is sleeved in the threaded groove, and the round cover presses the rubber sleeve on the connecting head.
[0008] Preferably, a driving member is connected to the threaded head, and an output shaft of the driving member is placed in the mounting hole.
[0009] Preferably, a protective structure is installed outside the output shaft of the driving member, and the protective structure includes a tapered sleeve and a sealing ring;
[0010] The tapered sleeve is mounted outside the output shaft of the driving member, the sealing ring is sleeved outside the output shaft of the driving member, and the tapered sleeve presses the sealing ring onto the connecting head.
[0011] Preferably, a connecting structure is installed between the output shaft of the driving member and the threaded head, and the connecting structure includes a screw and a threaded hole;
[0012] The screw is mounted on the threaded head, the threaded hole is provided on the output shaft of the driving member, and the screw is sleeved in the threaded hole.
[0013] Preferably, a threaded round block is installed on the side wall of the round cover, and a hexagonal hole is opened on the threaded round block.
[0014] Preferably, an internal thread is provided on the side wall of the round cover, and the threaded round block is sleeved in the internal thread.
[0015] Compared with the existing technology, the beneficial effects of this patent are: the easy-to-assemble drone propeller has the following advantages compared with traditional technology:
[0016] 1. During assembly, screw the threaded opening in the mounting hole of the connector onto the threaded opening on the drone to complete the assembly. Then, put the rubber sleeve over the bolt, and let the round cap drive the bolt through the mounting opening and screw it into the threaded groove. After tightening, the round cap will press the rubber sleeve onto the connector, facilitating the installation of the propeller and sealing the propeller installation to prevent water from entering the installation position and causing rust.
[0017] 2. Screw the screw on the threaded head into the threaded hole on the output shaft of the driver, install the threaded head on the output shaft of the driver, put the sealing ring on the outside of the threaded head, and move it downward to put it on the outside of the output shaft of the driver. When the threaded mouth in the mounting hole on the connector is screwed onto the threaded head on the drone, the sealing ring is pressed on the tapered sleeve, which can seal the output shaft of the driver and the lower position of the connector. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Fig. 1 This is a schematic diagram of the structure of this patent;
[0019] Fig. 2 This is a schematic diagram of the structure of the round cover, bolts and thread grooves of this patent;
[0020] Fig. 3 This is a schematic diagram of the structure of the threaded round block, hexagonal hole and internal thread of this patent.
[0021] In the figure: 1. Connector, 2. Blade, 3. Driving part, 4. Sealing structure, 401. Mounting port, 402. Round cover, 403. Rubber sleeve, 404. Bolt, 405. Threaded groove, 5. Mounting hole, 6. Threaded port, 7. Threaded head, 8. Protective structure, 9. Tapered sleeve, 10. Sealing ring, 11. Connecting structure, 12. Screw, 13. Threaded hole, 14. Threaded round block, 15. Hexagonal hole, 16. Internal thread. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the embodiments described are only part of the embodiments of this patent, not all of them. Based on the embodiments of this patent, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this patent.
[0023] See also Figs. 1-3 This patent provides a technical solution: a drone propeller that is easy to assemble, including a connector 1, on which blades 2 are installed, the number of blades 2 is three, and the blades 2 are distributed on the connector 1 in an annular shape and at equal intervals. The connector 1 and the annularly installed blades 2 constitute a drone propeller;
[0024] The connector 1 is provided with a mounting hole 5, in which a threaded opening 6 is provided, and a threaded head 7 is sleeved in the threaded opening 6. The threaded head 7 is a fixing part on the drone;
[0025] A sealing structure 4 is installed between the threaded opening 6 and the threaded head 7. The sealing structure 4 includes a mounting opening 401, a round cover 402, a rubber sleeve 403, a bolt 404 and a threaded groove 405.
[0026] The mounting port 401 is opened in the threaded port 6, the bolt 404 is installed on the round cover 402, the threaded groove 405 is opened on the threaded head 7, the rubber sleeve 403 is sleeved on the outside of the bolt 404, and the rubber sleeve 403 is made of fluororubber. The bolt 404 is sleeved in the threaded groove 405, and the round cover 402 presses the rubber sleeve 403 on the connector 1. During assembly, the threaded port 6 in the mounting hole 5 on the connector 1 is screwed onto the threaded head 7 on the drone to complete the assembly. Then, the rubber sleeve 403 is sleeved on the outside of the bolt 404, and the round cover 402 drives the bolt 404 to pass through the mounting port 401 and screw into the threaded groove 405. After tightening, the round cover 402 presses the rubber sleeve 403 on the connector 1, which is convenient for the installation of the propeller and makes the propeller installation sealed to prevent water from entering the installation position and rusting.
[0027] The screw head 7 is connected to the driving member 3, which is a motor installed on the drone, and the output shaft of the driving member 3 is placed in the mounting hole 5;
[0028] A protective structure 8 is installed outside the output shaft of the driving member 3, and the protective structure 8 includes a tapered sleeve 9 and a sealing ring 10;
[0029] The tapered sleeve 9 is installed outside the output shaft of the driving member 3, and the sealing ring 10 is sleeved outside the output shaft of the driving member 3. The tapered sleeve 9 presses the sealing ring 10 onto the connector 1. The sealing ring 10 is made of fluororubber.
[0030] A connecting structure 11 is installed between the output shaft of the driving member 3 and the threaded head 7. The connecting structure 11 includes a screw 12 and a threaded hole 13.
[0031] The screw 12 is installed on the threaded head 7, and the threaded hole 13 is opened on the output shaft of the driving member 3. The screw 12 is sleeved in the threaded hole 13. The screw 12 on the threaded head 7 is screwed into the threaded hole 13 on the output shaft of the driving member 3, so that the threaded head 7 is installed on the output shaft of the driving member 3, and the sealing ring 10 is sleeved on the outside of the threaded head 7 and moved downward to sleeve on the outside of the output shaft of the driving member 3. When the threaded mouth 6 in the mounting hole 5 on the connecting head 1 is screwed onto the threaded head 7 on the drone, the sealing ring 10 is pressed on the tapered sleeve 9, so that the output shaft of the driving member 3 and the lower position of the connecting head 1 can be sealed (the tightening direction of the screw and the threaded hole is the tightening direction of the threaded head and the threaded mouth, and the screw can be fixed by an external tool, and the connecting head can be screwed for disassembly).
[0032] A threaded block 14 is mounted on the side wall of the round cover 402. The threaded block 14 is provided with a hexagonal hole 15. An internal thread 16 is provided on the side wall of the round cover 402. The threaded block 14 is sleeved into the internal thread 16. An external hexagonal wrench is inserted into the hexagonal hole 15 and the round cover 402 is screwed. When the hexagonal hole 15 is worn, the threaded block 14 can be unscrewed from the internal thread 16 and replaced without replacing the round cover 402.
[0033] When using the drone propeller that is easy to assemble, first assemble the propeller by screwing the screw 12 on the threaded head 7 into the threaded hole 13 on the output shaft of the driving member 3, so that the threaded head 7 is installed on the output shaft of the driving member 3, and the sealing ring 10 is sleeved on the outside of the threaded head 7 and moved downward to sleeve on the outside of the output shaft of the driving member 3. When the threaded port 6 in the mounting hole 5 on the connector 1 is screwed onto the threaded head 7 on the drone, the sealing ring 10 is pressed on the tapered sleeve 9, so that the output shaft of the driving member 3 and the lower position of the connector 1 can be sealed. Then, the rubber sleeve 403 is sleeved on the outside of the bolt 404, and the round cover 402 drives the bolt 404 to pass through the mounting port 401 and screwed into the threaded groove 405. After tightening, the round cover 402 presses the rubber sleeve 403 on the connector 1, which is convenient for the installation of the propeller and makes the propeller installation sealed to prevent water from entering the installation position and rusting.
[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A propeller for a drone that is easy to assemble, comprising a connector (1), characterized in that: The connector (1) is provided with blades (2), the number of the blades (2) is three, and the blades (2) are distributed on the connector (1) in an annular shape and at equal intervals; The connector (1) is provided with a mounting hole (5), a threaded opening (6) is provided in the mounting hole (5), and a threaded head (7) is sleeved in the threaded opening (6); A sealing structure (4) is installed between the threaded opening (6) and the threaded head (7), and the sealing structure (4) includes a mounting opening (401), a round cover (402), a rubber sleeve (403), a bolt (404) and a threaded groove (405); The installation opening (401) is provided in the threaded opening (6), the bolt (404) is installed on the round cover (402), the threaded groove (405) is provided on the threaded head (7), the rubber sleeve (403) is sleeved on the outside of the bolt (404), the bolt (404) is sleeved in the threaded groove (405), and the round cover (402) presses the rubber sleeve (403) onto the connector (1).
2. The easy-to-assemble drone propeller according to claim 1, characterized in that: The threaded head (7) is connected to a driving member (3), and the output shaft of the driving member (3) is placed in the mounting hole (5).
3. The easy-to-assemble drone propeller according to claim 2, characterized in that: A protective structure (8) is installed outside the output shaft of the driving member (3), and the protective structure (8) includes a tapered sleeve (9) and a sealing ring (10); The conical sleeve (9) is installed outside the output shaft of the driving member (3), the sealing ring (10) is sleeved outside the output shaft of the driving member (3), and the conical sleeve (9) presses the sealing ring (10) onto the connecting head (1).
4. The easy-to-assemble drone propeller according to claim 2, characterized in that: A connecting structure (11) is installed between the output shaft of the driving member (3) and the threaded head (7), and the connecting structure (11) includes a screw (12) and a threaded hole (13); The screw (12) is mounted on the threaded head (7), the threaded hole (13) is formed on the output shaft of the driving member (3), and the screw (12) is sleeved in the threaded hole (13).
5. The easy-to-assemble drone propeller according to claim 1, characterized in that: A threaded round block (14) is installed on the side wall of the round cover (402), and a hexagonal hole (15) is opened on the threaded round block (14).
6. The easy-to-assemble drone propeller according to claim 5, characterized in that: An internal thread (16) is provided on the side wall of the circular cover (402), and the threaded round block (14) is sleeved in the internal thread (16).