CN210852880U

CN210852880U - Four rotor integral type frames of PLA polylactic acid material coreless

Info

Publication number: CN210852880U
Application number: CN201921520335.0U
Authority: CN
Inventors: 伍健
Original assignee: Tibet Feilong Aviation Technology Co ltd
Current assignee: Tibet Feilong Aviation Technology Co ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-06-26
Anticipated expiration: 2029-09-12

Abstract

The utility model discloses a four rotor integral type frames of PLA polylactic acid material coreless, including casing, coreless motor, screw, first spring and second spring, the below of casing is provided with the buckle, and the outside of buckle is connected with the unmanned aerial vehicle frame to the front end of unmanned aerial vehicle frame is provided with solid fixed ring, gu fixed ring's internally mounted has the coreless motor, and the top of coreless motor installs the screw, gu fixed ring's the outside is provided with the connecting rod, and the front end of connecting rod installs the oar safety cover, the inboard of buckle is fixed with the inserted bar, and the inside of inserted bar top is provided with first spring to the front end of first spring is connected with the fixture block. This four rotor integral type frames of PLA polylactic acid material coreless is whole size less, practices thrift the cost more during manufacturing, and wing toughness is higher moreover, and when teaching uses, student's fault operation can not damage the unmanned aerial vehicle body yet, can not cause the injury to the student moreover equally yet.

Description

Four rotor integral type frames of PLA polylactic acid material coreless

Technical Field

The utility model relates to a teaching unmanned air vehicle technique field specifically is a four rotor integral type frames of PLA polylactic acid material coreless cup.

Background

Unmanned aerial vehicle is used in teaching indicates a miniature remote control unmanned aerial vehicle, is applicable to the low latitude and takes photo by plane usually, compares in traditional large-scale unmanned aerial vehicle that takes photo by plane, and miniature remote control unmanned aerial vehicle practices thrift the cost more, is convenient for shoot the plan view in whole area, also can be used for in the aspect of the amusement.

Unmanned aerial vehicle on the existing market:

(1) most unmanned aerial vehicles have large size, large propeller size and large overall power, so that the power consumption is too high, batteries need to be replaced or charged again after the unmanned aerial vehicles are used for a period of time, and the unmanned aerial vehicles are inconvenient to disassemble and assemble the rack;

(2) the petroleum-based plastic material toughness that some unmanned aerial vehicle's wing used is lower, causes great injury easily under student's maloperation, is unfavorable for the teaching and uses.

Therefore, a hollow cup four-rotor integrated type frame made of PLA polylactic acid is provided so as to solve the problems mentioned above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a four rotor integral type frames of PLA polylactic acid material coreless to solve some unmanned aerial vehicle screw sizes on the existing market that above-mentioned background art provided great, whole power is great, causes the problem of great injury under student's maloperation easily.

In order to achieve the above object, the utility model provides a following technical scheme: a hollow cup and four-rotor integrated stander made of PLA polylactic acid comprises a machine shell, a hollow cup motor, a propeller, a first spring and a second spring, wherein a buckle is arranged below the machine shell, the outer side of the buckle is connected with an unmanned aerial vehicle stander, and the front end of the unmanned aerial vehicle frame is provided with a fixed ring, a hollow cup motor is arranged in the fixed ring, a propeller is arranged above the hollow cup motor, a connecting rod is arranged outside the fixed ring, the front end of the connecting rod is provided with a paddle protective cover, the inner side of the buckle is fixed with an inserted bar, a first spring is arranged in the upper part of the inserted bar, and the front end of the first spring is connected with a clamping block, the inner parts of the shell and the buckle are both provided with a clamping groove, the inner part of the clamping groove is provided with a pressing block, and the inside of briquetting is provided with the second spring, the through-hole has been seted up to the inside of briquetting and buckle.

Preferably, the buckle symmetry sets up the left and right sides at the casing, the unmanned aerial vehicle frame is central symmetry form distribution with solid fixed ring in the outside of casing, and is fixed connection between unmanned aerial vehicle frame and the solid fixed ring.

Preferably, the oar safety cover is central symmetry form distribution in the outside of casing, and the appearance of oar safety cover is semicircle annular to the opening of oar safety cover is all inwards.

Preferably, the shape of the inserted bar is L-shaped, and the outer wall of the inserted bar is matched with the inner wall of the groove in the shell.

Preferably, the fixture block penetrates through the inside of the casing, the fixture block forms an elastic structure through the first spring and the insertion rod, and the horizontal center line of the fixture block is flush with the horizontal center line of the through hole.

Preferably, the briquetting passes through to constitute elastic construction between second spring and the buckle, and the shape of briquetting is right trapezoid to the briquetting passes through the fixture block and constitutes the block structure between casing and the inserted bar.

Compared with the prior art, the beneficial effects of the utility model are that: this four rotor integral type frames of PLA polylactic acid material coreless:

(1) the propeller of the unmanned aerial vehicle frame is made of PLA polylactic acid, the PLA polylactic acid is made of degradable materials and can reduce pollution to the environment, compared with the traditional petroleum-based plastic, the PLA is safer, lower-carbon and green, the frame of the unmanned aerial vehicle can be conveniently disassembled and installed, and the using effect of the device is improved;

(2) this unmanned aerial vehicle's whole size is less, practices thrift the cost more during manufacturing, and this unmanned aerial vehicle's wing toughness is higher moreover, and when teaching uses, student's fault operation can not damage the unmanned aerial vehicle body yet, can not cause the injury to the student moreover yet equally yet, has promoted the security that unmanned aerial vehicle used.

Drawings

FIG. 1 is a schematic bottom perspective view of the present invention;

fig. 2 is a schematic view of the overhead structure of the unmanned aerial vehicle frame of the present invention;

fig. 3 is the schematic view of the sectional structure of the buckle of the present invention.

In the figure: 1. a housing; 2. buckling; 3. an unmanned aerial vehicle frame; 4. a fixing ring; 5. a coreless motor; 6. a propeller; 7. a connecting rod; 8. a paddle protective cover; 9. inserting a rod; 10. a first spring; 11. a clamping block; 12. a card slot; 13. a through hole; 14. briquetting; 15. a second spring.

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, the present invention provides a technical solution: a hollow cup and four-rotor integrated frame made of PLA polylactic acid comprises a shell 1, a buckle 2, an unmanned aerial vehicle frame 3, a fixing ring 4, a hollow cup motor 5, a propeller 6, a connecting rod 7, a paddle protective cover 8, an inserting rod 9, a first spring 10, a clamping block 11, a clamping groove 12, a through hole 13, a pressing block 14 and a second spring 15, wherein the buckle 2 is arranged below the shell 1, the outer side of the buckle 2 is connected with the unmanned aerial vehicle frame 3, the front end of the unmanned aerial vehicle frame 3 is provided with the fixing ring 4, the hollow cup motor 5 is arranged inside the fixing ring 4, the propeller 6 is arranged above the hollow cup motor 5, the outer side of the fixing ring 4 is provided with the connecting rod 7, the front end of the connecting rod 7 is provided with the paddle protective cover 8, the inner side of the buckle 2 is fixedly provided with the inserting rod 9, the first spring 10 is arranged inside the upper part of the inserting, the clamping groove 12 is formed in the shell 1 and the buckle 2, the pressing block 14 is arranged in the clamping groove 12, the second spring 15 is arranged in the pressing block 14, and the through hole 13 is formed in the pressing block 14 and the buckle 2.

2 symmetry settings of buckle are in the left and right sides of casing 1, and unmanned aerial vehicle frame 3 and solid fixed ring 4 are central symmetry form distribution in the outside of casing 1, and be fixed connection between unmanned aerial vehicle frame 3 and the solid fixed ring 4, have guaranteed the stability of device during operation.

The oar safety cover 8 is central symmetry form distribution in the outside of casing 1, and the appearance of oar safety cover 8 is semicircle annular to the opening of oar safety cover 8 is all inwards, and the appearance of oar safety cover 8 can lighten weight saving manufacturing cost.

The shape of the inserted link 9 is "L" shape, and the outer wall of the inserted link 9 is matched with the inner wall of the groove inside the casing 1, so that the subsequent fastening of the buckle 2 and the casing 1 is facilitated.

The clamping block 11 penetrates through the interior of the machine shell 1, the clamping block 11 forms an elastic structure with the insertion rod 9 through the first spring 10, the horizontal center line of the clamping block 11 is flush with the horizontal center line of the through hole 13, the clamping block 11 can be clamped with the pressing block 14, and the stability of the device is improved.

Briquetting 14 passes through to constitute elastic construction between second spring 15 and the buckle 2, and briquetting 14's shape is right trapezoid to briquetting 14 passes through and constitutes the block structure between fixture block 11 and casing 1 and the inserted bar 9, can support fixture block 11 backward in inserting through-hole 13 through objects such as needle, makes

fixture block

11 and 14 break away from the block, convenient to detach and installation unmanned aerial vehicle frame 3.

The working principle is as follows: when the hollow cup and four-rotor integrated type frame made of PLA polylactic acid is used, as shown in figures 1-3, when the unmanned aerial vehicle frame 3 needs to be installed, a buckle 2 connected with the front end of the unmanned aerial vehicle frame 3 is grasped, the inner wall of the buckle 2 is attached to the outer walls of the left side and the right side of a machine shell 1 (as shown in figures 2-3), an inserted link 9 fixed in front of the buckle 2 is aligned with a groove on the surface of the machine shell 1 (as shown in figure 3), then the buckle 2 and the inserted link 9 are pushed into the groove of the machine shell 1 until the inserted link 9 is attached to the machine shell 1, when a pressing block 14 passes through a clamping groove 12 in the machine shell 1 in the upward movement process of the buckle 2, the pressing block 14 is squeezed into the clamping groove 12 under the action of the elastic force of a second spring 15, and meanwhile, a clamping block 11 on the right side of the inserted link 9 is clamped into the groove between the machine shell 1 and the clamping groove 12, after the clamping work is finished, the whole device reaches a stable state;

as shown in fig. 2-3, when the device is disassembled, objects such as toothpicks or needles are firstly attached to the through holes 13 on the lower surface, then the toothpicks or needles are inserted into the through holes 13 on the surfaces of the buckle 2 and the casing 1, the front end of the toothpicks or needles is abutted against the fixture block 11, so that the fixture block 11 is separated from the press block 14 and the casing 1, the buckle 2 and the inserted rod 9 are pulled outwards, so that the fixture block 11 is abutted against the right side of the groove in the casing 1, and the buckle 2 is pulled outwards, the lower surface of the press block 14 is an inclined surface, and can conveniently slide down from the inner side of the device, so as to complete the disassembly of the device, when in use, the propeller 6 is driven to rotate by starting the hollow cup motor 5 in the fixing ring 4, and the propeller protection cover 8 protects the propeller 6, so that the working process of the whole device is just the above, and the content not described.

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 invention.

Claims

1. The utility model provides a four rotor integral type frames of PLA polylactic acid material coreless, includes casing (1), coreless motor (5), screw (6), first spring (10) and second spring (15), its characterized in that: the unmanned aerial vehicle is characterized in that a buckle (2) is arranged below the shell (1), an unmanned aerial vehicle frame (3) is connected to the outer side of the buckle (2), a fixing ring (4) is arranged at the front end of the unmanned aerial vehicle frame (3), a coreless motor (5) is installed inside the fixing ring (4), a propeller (6) is installed above the coreless motor (5), a connecting rod (7) is arranged on the outer side of the fixing ring (4), a propeller protecting cover (8) is installed at the front end of the connecting rod (7), an inserting rod (9) is fixed on the inner side of the buckle (2), a first spring (10) is arranged inside the upper portion of the inserting rod (9), a clamping block (11) is connected to the front end of the first spring (10), clamping grooves (12) are formed in the shell (1) and the buckle (2), a pressing block (14) is arranged inside the clamping grooves (12), and a second spring (15) is arranged inside the pressing block (, through holes (13) are formed in the pressing block (14) and the buckle (2).

2. The all-in-one frame of PLA polylactic acid hollow cup and four rotors as claimed in claim 1, wherein: buckle (2) symmetry sets up the left and right sides at casing (1), unmanned aerial vehicle frame (3) and solid fixed ring (4) are central symmetry form distribution in the outside of casing (1), and are fixed connection between unmanned aerial vehicle frame (3) and the solid fixed ring (4).

3. The all-in-one frame of PLA polylactic acid hollow cup and four rotors as claimed in claim 1, wherein: the oar safety cover (8) are central symmetry form in the outside of casing (1) and distribute, and the appearance of oar safety cover (8) is semicircle annular to the opening of oar safety cover (8) is all inwards.

4. The all-in-one frame of PLA polylactic acid hollow cup and four rotors as claimed in claim 1, wherein: the shape of the inserted bar (9) is L-shaped, and the outer wall of the inserted bar (9) is matched with the inner wall of the groove in the machine shell (1).

5. The all-in-one frame of PLA polylactic acid hollow cup and four rotors as claimed in claim 1, wherein: the clamping block (11) penetrates through the interior of the machine shell (1), an elastic structure is formed between the clamping block (11) and the inserting rod (9) through the first spring (10), and the horizontal center line of the clamping block (11) is flush with the horizontal center line of the through hole (13).

6. The all-in-one frame of PLA polylactic acid hollow cup and four rotors as claimed in claim 1, wherein: the pressing block (14) forms an elastic structure through the second spring (15) and the buckle (2), the pressing block (14) is in a right trapezoid shape, and the pressing block (14) forms a clamping structure through the clamping block (11), the machine shell (1) and the inserted rod (9).