CN109823517A - A kind of multi-rotor unmanned aerial vehicle blade of fast demountable - Google Patents

A kind of multi-rotor unmanned aerial vehicle blade of fast demountable Download PDF

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Publication number
CN109823517A
CN109823517A CN201910255129.XA CN201910255129A CN109823517A CN 109823517 A CN109823517 A CN 109823517A CN 201910255129 A CN201910255129 A CN 201910255129A CN 109823517 A CN109823517 A CN 109823517A
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CN
China
Prior art keywords
self
blade
locking body
rotor
locking
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910255129.XA
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Chinese (zh)
Inventor
冯秀
刘萍萍
金良
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Nanjing Polytechnic Institute
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Nanjing Polytechnic Institute
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Publication date
Application filed by Nanjing Polytechnic Institute filed Critical Nanjing Polytechnic Institute
Priority to CN201910255129.XA priority Critical patent/CN109823517A/en
Publication of CN109823517A publication Critical patent/CN109823517A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a kind of multi-rotor unmanned aerial vehicle blades of fast demountable, including blade, self-locking body and motor.The apex rotor of motor is equipped with optical axis, and optical axis passes through rotor and is combined as a whole with rotor.Self-locking body is connected by screw with rotor, is set on the inner wall of self-locking body there are two self-locking protrusion.The outside of blade be equipped with for self-locking body match from lock crossbeam and guiding groove, the bosom of blade is equipped with the cylinder with variable diameter hole.Optical axis is equipped with spring, and the lower part of spring and self-locking body interference fit connect.When self-locking protrusion be respectively aligned to the guiding groove on blade pin paddle rotation, it is self-locking to protrude out into from lock crossbeam, and under the action of the spring it is self-locking herein.This patent only need to merely press blade rotation when installing blade, and novelty easy to operate will save many times for multi-rotor unmanned aerial vehicle installation, equally also easily quick when dismantling blade, without any tool.

Description

A kind of multi-rotor unmanned aerial vehicle blade of fast demountable
Technical field
The present invention relates to more rotations of multi-rotor unmanned aerial vehicle accessory and paddle technical field more particularly to a kind of fast demountable Wing unmanned plane blade.
Background technique
Currently, the advantages such as multi-rotor unmanned aerial vehicle is simple with structure, highly-safe, use cost is low are widely used in electricity The every field such as power, traffic, agricultural, fire-fighting.Multi-rotor unmanned aerial vehicle dynamical system is adjusted by battery, electricity, motor and blade form, Before and after use, installing and dismounting blade is needed.But in the prior art, installation blade mostly uses screw to fix, time-consuming and laborious, Influence installation effectiveness.
Summary of the invention
The present invention is in order to make up for the deficiencies of the prior art, and it is an object of the present invention to provide one kind very convenient can efficiently dismount paddle Leaf and the multi-rotor unmanned aerial vehicle blade with self-locking function, are torn open when in use with solving unmanned plane blade existing in the prior art Fill inconvenient technical problem.
The present invention is achieved through the following technical solutions: a kind of multi-rotor unmanned aerial vehicle blade of fast demountable, including blade, Self-locking body and motor.The apex rotor of the motor is equipped with optical axis, and the optical axis passes through rotor and is combined into one;It is described from Latch fitting is connected by screw with rotor, is set on the inner wall of the self-locking body there are two self-locking protrusion;The outside of the blade is set Have for self-locking body match from lock crossbeam and guiding groove, the bosom of the blade is equipped with the cylinder with variable diameter hole; Spring is additionally provided on the optical axis of the output shaft;The lower part of the spring and self-locking body interference fit connect;When the self-locking convex Paddle rotation is pinned when acting the guiding groove being respectively aligned on blade, it is self-locking to protrude out into from lock crossbeam, and in the effect of spring Under it is self-locking herein.
Preferably, be equipped with variable diameter centre bore among the pedestal of the self-locking body, the optical axis clearance fit it is described from In latch fitting variable diameter centre bore.
Preferably, the spring is mounted between optical axis and the variable diameter centre bore of self-locking body;The spring inside diameter is bigger In optical axis outer diameter, spring outer diameter is slightly larger than self-locking body variable diameter centre bore internal diameter.
Preferably, the rotation direction of the spring is identical as the direction of rotation of rotor.
Preferably, the self-locking protrusion is two, and is symmetrically distributed on the inner wall of self-locking body, it is described match from Lock crossbeam also there are two.
Preferably, it is set in the central diameter of the self-locking body pedestal there are two screw hole, the screw passes through screw hole for self-locking body It is locked on the rotor.
Preferably, the thread rotary orientation of the screw hole and the direction of rotation of rotor are identical.
Preferably, the motor is brushless motor.
It is further preferred that the blade, self-locking body are made of engineering plastics.
After adopting the above structure, the invention has the following beneficial effects: this patent creativeness using protrusion, groove and bullet The structure that spring combines, structure is very simple, so that blade rotation only need to be merely pressed when installation blade, without additional Other movements, make it operate simpler novelty, to save many times for multi-rotor unmanned aerial vehicle installation.Blade is dismantled simultaneously When, it also only needs to press blade, then small angle rotation is once.It is equally also easily quick, without by any tool.
In conclusion the present invention provides one kind very convenient efficiently to dismount multi-rotor unmanned aerial vehicle paddle blade structure.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, in which:
Fig. 1 is the assembling schematic diagram of the unmanned plane paddle blade structure of fast demountable in the present invention.
Fig. 2 is the schematic diagram after the assembly is completed of the unmanned plane paddle blade structure of fast demountable of the present invention.
Fig. 3 is the enlarged diagram of self-locking body involved in the present invention.
Fig. 4 is the reverse side schematic diagram of blade involved in the present invention.
It is as shown in the figure: 1, blade, 101, from lock crossbeam, 102, guiding groove, 103, cylinder, 2, self-locking body, 201, self-locking convex It rises, 202, variable diameter centre bore, 203, screw hole, 3, motor, 4, rotor, 5, optical axis, 6, screw, 7, spring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.
Attached drawing 4, a kind of multi-rotor unmanned aerial vehicle blade of fast demountable, including blade 1,2 and of self-locking body are arrived in conjunction with attached drawing 1 Motor 3.4 top of rotor of the motor is equipped with optical axis 5, and the optical axis 5 passes through rotor 4 and is combined as a whole;It is described self-locking Part 2 is connected by screw 6 with the rotor 4 of motor 3, set on the inner wall of the self-locking body 2 there are two self-locking raised 201;It is described The outside of blade 1 be equipped with for self-locking body 2 match from lock crossbeam 101 and guiding groove 102, the inside of the blade 1 Between be equipped with the cylinder 103 with variable diameter hole;Spring 7 is additionally provided on the optical axis 5;Match with 2 interference of self-locking body the lower part of the spring 7 Close connection;It pins paddle 1 when the guiding groove 102 that described self-locking raised 201 are respectively aligned in paddle 1 to rotate, self-locking raised 201 Into from lock crossbeam 101, and under the action of spring 7 it is self-locking herein.
Variable diameter centre bore 202 is equipped in the present embodiment among the pedestal of self-locking body 2,5 clearance fit of optical axis is described In 2 variable diameter centre bore 202 of self-locking body.
Spring 7 is mounted between optical axis 5 and the variable diameter centre bore 202 of self-locking body 2 in the present embodiment;7 internal diameter of spring Slightly larger than 5 outer diameter of optical axis, 7 outer diameter of spring is slightly larger than 2 variable diameter centre bore of self-locking body, 202 internal diameter.
The rotation direction of spring 7 is identical as the direction of rotation of rotor 4 in the present embodiment.
Self-locking raised 201 be two in the present embodiment, and be symmetrically distributed on the inner wall of self-locking body 2, described to match From lock crossbeam 101 also there are two.
It is set in the central diameter of 2 pedestal of self-locking body in the present embodiment there are two screw hole 203, the screw 6 will be certainly across screw hole 203 Latch fitting 2 is locked on the rotor 4.
The thread rotary orientation of screw hole 203 is identical as the direction of rotation of rotor 4 in the present embodiment.
Preferably, the motor 3 is brushless motor.
Blade 1, self-locking body 2 are made of engineering plastics in the present embodiment.
After adopting the above structure, the invention has the following beneficial effects: this patent creativeness using protrusion, groove and bullet The structure that spring combines, structure is very simple, so that blade rotation only need to be merely pressed when installation blade, without additional Other movements, make it operate simpler novelty, to save many times for multi-rotor unmanned aerial vehicle installation, while dismantling blade When, it also only needs to press blade, then small angle rotation is once.It is equally also easily quick, without by any tool.
In conclusion the present invention provides one kind very convenient efficiently to dismount multi-rotor unmanned aerial vehicle paddle blade structure.
In the specific implementation, the motor can use general brushless motor to the present invention;The self-locking body 2 and paddle 1 material of leaf is identical, using engineering plastics, such as the material of polyamide PA, plastic alloy PC/ABS.The screw 6 can be adopted Round end Philip's head screw, size can be determined according to 4 size of rotor.The self-locking body 2 is equipped with screw hole 203, passes through two Cheese head screw 6 is locked on rotor 4, and thread rotary orientation is identical as 3 rotation direction of motor, works as rotor on self-locking body 2 Self-locking body 2 the more can turn the more tight when 4 rotation.The spring 7 is installed between optical axis 5 and 2 variable diameter centre bore 202 of self-locking body, is used Interference fit type is fixed on 7 one end of spring on self-locking body 2.When blade 1 is installed, the guiding groove 102 of blade 1 is placed on certainly Self-locking raised 201 top of latch fitting 2, easily rotates blade 1 until cannot press again with hand pressing 1 middle upper part of blade Positive slurry rotates clockwise, and anti-slurry rotates counterclockwise, and self-locking raised 201 can enter outside paddle 1 from lock crossbeam 101, and in bullet It fixes blade 1 with self-locking body 2, looses one's grip, blade 1 is driven by self-locking body 2 when motor 3 rotates Rotation.When needing to dismantle blade 1, need to only press 1 middle upper part of blade inverts blade 1, makes self-locking raised the 201 of self-locking body 2 It is directed at the guiding groove 102 of blade 1, is stopped operating, blade 1 can be removed by loosing one's grip.

Claims (9)

1. a kind of multi-rotor unmanned aerial vehicle blade of fast demountable, including blade (1), self-locking body (2) and motor (3), feature Be: rotor (4) top of the motor is equipped with optical axis (5), and the optical axis (5) passes through rotor (4) and is combined as a whole;Institute State self-locking body (2) and be connected with the rotor (4) of motor (3) by screw (6), set on the inner wall of the self-locking body (2) there are two Self-locking protrusion (201);The outside of the blade (1) be equipped with for self-locking body (2) match from lock crossbeam (101) and guidance The bosom of slot (102), the blade (1) is equipped with the cylinder (103) with variable diameter hole;Spring is additionally provided on the optical axis (5) (7);The lower part of the spring (7) and self-locking body (2) interference fit connect;When self-locking raised (201) are respectively aligned to paddle (1) blade (1) rotation is pinned when guiding groove (102) on, self-locking protrusion (201) enters from lock crossbeam (101), and in spring (7) under the action of it is self-locking herein.
2. the multi-rotor unmanned aerial vehicle blade of fast demountable according to claim 1, it is characterised in that: the self-locking body (2) variable diameter centre bore (202) are equipped among pedestal, optical axis (5) clearance fit is in the self-locking body (2) variable diameter centre bore (202) in.
3. the multi-rotor unmanned aerial vehicle blade of fast demountable according to claim 2, it is characterised in that: the spring (7) It is mounted between optical axis (5) and the variable diameter centre bore (202) of self-locking body (2);Spring (7) internal diameter is outside slightly larger than optical axis (5) Diameter, spring (7) outer diameter are slightly larger than self-locking body (2) variable diameter centre bore (202) internal diameter.
4. the multi-rotor unmanned aerial vehicle blade of fast demountable according to claim 1, it is characterised in that: the spring (7) Rotation direction it is identical as the direction of rotation of rotor (4).
5. the multi-rotor unmanned aerial vehicle blade of fast demountable according to claim 1, it is characterised in that: the self-locking protrusion (201) be two, and be symmetrically distributed on the inner wall of self-locking body (3), it is described match from lock crossbeam (101) also there are two.
6. the multi-rotor unmanned aerial vehicle blade of fast demountable according to claim 1, it is characterised in that: the self-locking body (2) it is set in the central diameter of pedestal there are two screw hole (203), the screw (6) passes through screw hole (203) and self-locking body (2) is locked at institute It states on rotor (4).
7. the multi-rotor unmanned aerial vehicle blade of fast demountable according to claim 6, it is characterised in that: the screw hole (203) thread rotary orientation is identical as the direction of rotation of rotor (4).
8. the multi-rotor unmanned aerial vehicle blade of fast demountable according to claim 1, it is characterised in that: the motor (3) For brushless motor.
9. the multi-rotor unmanned aerial vehicle blade of fast demountable according to claim 1, it is characterised in that: the blade (1) It is made with self-locking body (2) of engineering plastics.
CN201910255129.XA 2019-04-01 2019-04-01 A kind of multi-rotor unmanned aerial vehicle blade of fast demountable Pending CN109823517A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021070469A (en) * 2019-10-29 2021-05-06 エスゼット ディージェイアイ テクノロジー カンパニー リミテッドSz Dji Technology Co.,Ltd Rotor mount assembly, rotor seat, propulsion system, and unmanned aerial vehicle (uav)
WO2021184199A1 (en) * 2020-03-17 2021-09-23 SZ DJI Technology Co., Ltd. Rotor mount assembly

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US3409249A (en) * 1966-06-29 1968-11-05 United Aircraft Corp Coaxial rigid rotor helicopter and method of flying same
CN106195073A (en) * 2016-03-30 2016-12-07 西安航空制动科技有限公司 A kind of combination type spring housing
CN206374967U (en) * 2016-12-21 2017-08-04 吴根飚 A kind of aircraft propeller device of convenient disassembly
CN107021221A (en) * 2017-03-16 2017-08-08 昆明理工大学 A kind of helicopter screw propeller displacement device
CN206537504U (en) * 2017-02-07 2017-10-03 深圳市高巨创新科技开发有限公司 A kind of propeller component for being easy to store
CN207670657U (en) * 2017-12-28 2018-07-31 四川中飞赛维航空科技有限公司 A kind of plain type quadrotor drone
CN209700916U (en) * 2019-04-01 2019-11-29 南京科技职业学院 A kind of multi-rotor unmanned aerial vehicle blade of fast demountable

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3409249A (en) * 1966-06-29 1968-11-05 United Aircraft Corp Coaxial rigid rotor helicopter and method of flying same
CN106195073A (en) * 2016-03-30 2016-12-07 西安航空制动科技有限公司 A kind of combination type spring housing
CN206374967U (en) * 2016-12-21 2017-08-04 吴根飚 A kind of aircraft propeller device of convenient disassembly
CN206537504U (en) * 2017-02-07 2017-10-03 深圳市高巨创新科技开发有限公司 A kind of propeller component for being easy to store
CN107021221A (en) * 2017-03-16 2017-08-08 昆明理工大学 A kind of helicopter screw propeller displacement device
CN207670657U (en) * 2017-12-28 2018-07-31 四川中飞赛维航空科技有限公司 A kind of plain type quadrotor drone
CN209700916U (en) * 2019-04-01 2019-11-29 南京科技职业学院 A kind of multi-rotor unmanned aerial vehicle blade of fast demountable

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021070469A (en) * 2019-10-29 2021-05-06 エスゼット ディージェイアイ テクノロジー カンパニー リミテッドSz Dji Technology Co.,Ltd Rotor mount assembly, rotor seat, propulsion system, and unmanned aerial vehicle (uav)
WO2021081762A1 (en) * 2019-10-29 2021-05-06 SZ DJI Technology Co., Ltd. Rotor mount assembly
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WO2021184199A1 (en) * 2020-03-17 2021-09-23 SZ DJI Technology Co., Ltd. Rotor mount assembly
CN115315388A (en) * 2020-03-17 2022-11-08 深圳市大疆创新科技有限公司 Rotor wing mounting assembly

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