CN215025970U - Folding multi-rotor and lead screw lifting device thereof - Google Patents
Folding multi-rotor and lead screw lifting device thereof Download PDFInfo
- Publication number
- CN215025970U CN215025970U CN202121082274.1U CN202121082274U CN215025970U CN 215025970 U CN215025970 U CN 215025970U CN 202121082274 U CN202121082274 U CN 202121082274U CN 215025970 U CN215025970 U CN 215025970U
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- China
- Prior art keywords
- lead screw
- lifting device
- folding
- rotor
- screw lifting
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Abstract
The utility model relates to an aeromodelling field, concretely relates to folding many rotors and lead screw lifting devices thereof. The device mainly comprises a folding multi-rotor wing and a screw rod lifting device; the volume can be dwindled under the exogenic action to many folding rotors, puts into lead screw lifting devices inside, inside can restricting many folding rotors of lead screw lifting devices and expand automatically to can be controlled will fold many rotors and release lead screw lifting devices inside, make many folding rotors no longer retrain and expand automatically. The utility model discloses convenient to use, simple structure, low cost.
Description
Technical Field
The utility model relates to an aeromodelling field, concretely relates to folding many rotors and lead screw lifting devices thereof.
Background
The scientific research national aerospace model championship (CADC) is jointly hosted by the national sports administration, the education department and the science and technology department, and the aerospace model is manufactured by contestants for scale verification flight, so that the feasibility, reliability and practicability of innovative works are tested. At present, a miniature folding aircraft competition project is newly added to the CADC, the miniature aircraft which is folded in a barrel and carries loads is required to be remotely controlled to be unfolded and take off, pass through an obstacle area, put the loads in a putting area and safely return to a landing area for landing, and aiming at the unmanned aerial vehicle and matching devices of the type, a device which meets requirements and is efficient is urgently needed to be designed for competition and other related purposes.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a folding many rotors and lead screw lifting devices thereof has advantages such as convenient to use, simple structure, low cost, has solved the aircraft and has expanded untimely, too big, the low and wayward problem of lifting devices precision with the shell friction.
For solving the problem that the aircraft expandes untimely, rubs too big, the lifting device precision is low and wayward with the shell, the utility model provides a following technical scheme:
the utility model relates to a folding multi-rotor and a lead screw lifting device thereof, which comprises a folding multi-rotor and a lead screw lifting device; the volume can be dwindled under the exogenic action to many folding rotors, puts into lead screw lifting devices inside, inside can restricting many folding rotors of lead screw lifting devices and expand automatically to can be controlled will fold many rotors and release lead screw lifting devices inside, make many folding rotors no longer retrain and expand automatically.
The folding multi-rotor main body is a fuselage, the middle part of the fuselage is rectangular, and electric control equipment is installed on the fuselage; bosses are respectively arranged on the middle shafts on the two side surfaces of the machine body; through holes and limiting baffles are arranged at the two ends of the two bosses; each through-hole all articulates there is the horn, limit baffle limits the extreme turned angle of horn.
The lead screw lifting device is characterized in that the main body of the lead screw lifting device is an outer cylinder, the outer cylinder is a cylinder with a closed bottom, and a groove is formed in the side surface of the outer cylinder; the side face of the bottom of the outer barrel, opposite to the groove, is fixedly connected with a driving motor, a motor shaft of the driving motor is fixedly connected with a screw rod, the screw rod is matched with a screw rod nut, and the screw rod nut is fixedly connected with a platform.
The middle part of the machine arm is fixedly connected with a spring, and the other end of the spring is fixedly connected with the middle part of the lug boss of the machine body.
A pulley is hinged to the side face of one end, which is not hinged to the through hole in the machine body boss, of the machine arm, and a motor is mounted on the upper plane; the motor is provided with a folding paddle.
The platform is a disc with the outer diameter being the same as the inner diameter of the outer barrel, and a circular hole is formed in the disc and can enable the screw rod to penetrate through the circular hole; a boss is arranged on the disc opposite to the screw rod, and the width of the boss is the same as that of the groove of the outer barrel; the boss is confined in the groove of the outer barrel.
Compared with the prior art, the utility model provides a many folding rotors and lead screw lifting devices thereof possesses following beneficial effect:
1. the springs would be compressed when the folded multi-rotor is in the bucket to enable the folded multi-rotor to unfold quickly when disengaged from the platform constraint.
2. One side of the horn is hinged with a pulley, so that the friction between the folded multi-rotor and the outer cylinder when the multi-rotor is pushed out is reduced.
3. The screw rod mechanism is adopted as the lifting device, so that the precision is high, and the lifting stroke can be accurately controlled.
Drawings
Fig. 1 is a schematic structural view of a folding multi-rotor and a lead screw lifting device thereof;
fig. 2 is a side sectional view of the folding multi-rotor and the lead screw lifting device thereof;
fig. 3 is a top view of the utility model discloses a folding many rotors and lead screw lifting devices thereof.
In the figure: 1. a body; 2. a spring; 3. a horn; 4. folding the paddle; 5. a motor; 6. a pulley; 7. a platform; 701. a boss; 8. an outer cylinder; 9. a screw rod; 10. a drive motor; 11. and a screw nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a foldable multi-rotor and lead screw lifting device thereof includes a foldable multi-rotor and a lead screw lifting device; the folding multi-rotor wing can reduce the size under the action of external force and is placed into the screw rod lifting device, the folding multi-rotor wing can be limited in the screw rod lifting device to be automatically unfolded, and the folding multi-rotor wing can be pushed out of the screw rod lifting device in a controllable mode, so that the folding multi-rotor wing is not restrained any more and is automatically unfolded.
The folding multi-rotor main body is a fuselage 1, the middle part of the fuselage 1 is rectangular, and electric control equipment is installed; bosses are respectively arranged on the middle shafts on the two side surfaces of the machine body 1; through holes and limit baffles are arranged at the two ends of the two bosses; each through-hole all articulates there is the horn 3, and limit baffle limits the extreme turned angle of horn 3.
The middle part of the machine arm 3 is fixedly connected with a spring 2, and the other end of the spring 2 is fixedly connected with the middle part of a lug boss of the machine body 1.
The side surface of one end of the machine arm 3, which is not hinged with the through hole on the boss of the machine body 1, is hinged with a pulley 6, and the upper plane is provided with a motor 5; the motor 5 is provided with a folding paddle 4.
The screw rod lifting device main body is an outer cylinder 8, the outer cylinder 8 is a cylinder with a closed bottom, and a groove is formed in the side surface of the outer cylinder; the bottom of the outer barrel 8 is fixedly connected with a driving motor 10 on the side opposite to the groove, a motor shaft of the driving motor 10 is fixedly connected with a screw rod 9, a screw rod nut 11 is matched on the screw rod 9, and a platform 7 is fixedly connected on the screw rod nut 11.
The platform 7 is a disc with the outer diameter same as the inner diameter of the outer cylinder 8, and a circular hole is formed in the disc and can enable the screw rod 9 to penetrate through the circular hole; a boss 701 is arranged on the disc opposite to the screw rod 9, and the width of the boss 701 is the same as the width of the groove of the outer barrel 8; the boss 701 is confined in a groove of the outer barrel 8.
When the foldable multi-rotor wing unfolding device is used, the driving motor 10 rotates to drive the screw rod 9 to rotate, the screw rod 9 rotates to drive the platform 7 to move upwards, and when the foldable multi-rotor wing unfolding device reaches a position where the foldable multi-rotor wing can be unfolded, the foldable multi-rotor wing can be rapidly unfolded under the action of the spring force to fly away from the outer barrel 8; when not in use, the platform 7 is put down, the four folding multi-rotor wing booms 3 are folded by external force and put on the platform 7 of the outer barrel 8.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a many folding rotors and lead screw lifting devices thereof which characterized in that: comprises a folding multi-rotor wing and a screw rod lifting device; the folding multi-rotor wing can be reduced in size under the action of external force and placed into the lead screw lifting device, the folding multi-rotor wing can be limited to be automatically unfolded in the lead screw lifting device, and the folding multi-rotor wing can be pushed out of the lead screw lifting device in a controlled mode, so that the folding multi-rotor wing is not restrained any more and is automatically unfolded;
the folding multi-rotor-wing main body is a machine body (1), the middle part of the machine body (1) is rectangular, and electric control equipment is installed on the machine body; bosses are respectively arranged on the central axes of the two side surfaces of the machine body (1); through holes and limiting baffles are arranged at the two ends of the two bosses; each through hole is hinged with a machine arm (3), and the limiting baffle plate limits the limit rotation angle of the machine arm (3);
the lead screw lifting device is characterized in that the main body of the lead screw lifting device is an outer cylinder (8), the outer cylinder (8) is a cylinder with a closed bottom, and a groove is formed in the side surface of the outer cylinder; the bottom of the outer barrel (8) is fixedly connected with a driving motor (10) on the side opposite to the groove, a screw rod (9) is fixedly connected onto a motor shaft of the driving motor (10), a screw rod nut (11) is matched on the screw rod (9), and a platform (7) is fixedly connected onto the screw rod nut (11).
2. The folding multi-rotor and the lead screw lifting device thereof according to claim 1, is characterized in that: the middle of the machine arm (3) is fixedly connected with a spring (2), and the other end of the spring (2) is fixedly connected with the middle of a boss of the machine body (1).
3. The folding multi-rotor and the lead screw lifting device thereof according to claim 1, is characterized in that: a pulley (6) is hinged to the side face of one end, which is not hinged to the through hole in the boss of the machine body (1), of the machine arm (3), and a motor (5) is mounted on the upper plane; the motor (5) is provided with a folding paddle (4).
4. The folding multi-rotor and the lead screw lifting device thereof according to claim 1, is characterized in that: the platform (7) is a disc with the outer diameter being the same as the inner diameter of the outer cylinder (8), and a circular hole is formed in the disc and can enable the screw rod (9) to penetrate through the circular hole; a boss (701) is arranged at the position, opposite to the screw rod (9), on the disc, and the width of the boss (701) is the same as the width of the groove of the outer cylinder (8); the projection (701) is confined in a groove of the outer cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121082274.1U CN215025970U (en) | 2021-05-20 | 2021-05-20 | Folding multi-rotor and lead screw lifting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121082274.1U CN215025970U (en) | 2021-05-20 | 2021-05-20 | Folding multi-rotor and lead screw lifting device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215025970U true CN215025970U (en) | 2021-12-07 |
Family
ID=79212749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121082274.1U Expired - Fee Related CN215025970U (en) | 2021-05-20 | 2021-05-20 | Folding multi-rotor and lead screw lifting device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215025970U (en) |
-
2021
- 2021-05-20 CN CN202121082274.1U patent/CN215025970U/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 |
Granted publication date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |