CN211351897U - Motor that four rotor unmanned aerial vehicle were used - Google Patents

Abstract

The utility model discloses a motor that four rotor unmanned aerial vehicle used, which comprises an outer shell, the middle part fixedly connected with stator of shell, the solid fixed ring of bottom fixedly connected with bearing of shell, the middle part of stator is the cavity structure, the middle part of stator is rotated and is connected with the rotor, the middle part of rotor is connected with the center pin, the top fixedly connected with sand control cap of center pin, the center pin top is equipped with the oil blanket with the top cap junction, the top and the bottom of rotor all are equipped with the sealing washer, the both ends of stator all are equipped with the coil, the bottom of rotor is equipped with the second gimbal, the bottom mounting of center pin is equipped with the gravity dish, the fixed smart dish of thrust carbon that is equipped with in bottom of gravity dish, the. The utility model increases the sealing performance of the motor by arranging the oil seal and the sealing ring double sealing structure; through setting up the high shell of leakproofness, improve overall structure's leakproofness, through setting up waterproof coil, prevent that the shell from intaking.

Description

Motor that four rotor unmanned aerial vehicle were used

Technical Field

The utility model relates to a high-voltage motor, in particular to motor that four rotor unmanned aerial vehicle used.

Background

The motor is widely applied and often used in various severe environments, and many motors can be operated in environments with high moisture, heavy moisture, much dust and large oil, so that the motor is greatly damaged and is easily damaged. And when the motor applies to unmanned aerial vehicle in, the condition that needs satisfy needs the leakproofness enough good, can prevent in the flight of long-time, and the steam in the air gets into the motor, influences the motor normal operating.

The traditional motor is not good in sealing performance generally, a single-layer sealing structure is arranged from the outside, and the sealing effect is not good under the long-term severe environment. Therefore, the motor for the four-rotor unmanned aerial vehicle is improved.

Disclosure of Invention

A primary object of the present invention is to provide a motor for a quad-rotor unmanned aerial vehicle, which can effectively solve the problem that the sealing performance of the conventional motor proposed in the background art is not good enough, and only the single-layer sealing structure is arranged from the outside, and under the work of a long-term adverse environment, the sealing effect is not good enough.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a motor for a four-rotor unmanned aerial vehicle comprises a shell, wherein a top cover is arranged at the top of the shell, a stator is arranged in the middle of the shell, a bearing fixing ring is arranged at the bottom of the shell, the middle of the stator is of a cavity structure, a rotor is arranged in the middle of the stator, a central shaft is arranged in the middle of the rotor, a sand prevention cap is arranged at the top of the central shaft, an oil seal is arranged at the joint of the top of the central shaft and the top cover, a first balance ring is arranged at the bottom of the top cover, sealing rings are arranged at the top end and the bottom end of the rotor, coils are arranged at the top end and the bottom end of the stator, a second balance ring is fixedly arranged at the bottom end of the rotor, a gravity disc is fixedly arranged; the two sides of the top cover are provided with grooves, sealing gaskets are arranged in the grooves, one sides of the grooves are provided with clamping grooves, and clamping pieces are arranged on the two sides of the top of the shell and matched with the clamping grooves.

Further, the shell is only provided with one opening at the top, and the rest part is a sealing structure.

Further, the coil is a waterproof coil.

Further, the stator is matched with the rotor, and the sealing ring is arranged at a gap between the stator and the rotor.

Furthermore, the clamping sheet is an elastic metal shifting sheet.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a be equipped with the oil blanket at center pin top and top cap junction, the bottom of top cap is equipped with first gimbal, and the top and the bottom of rotor all are equipped with the sealing washer, oil blanket and sealing washer double seal structure, increase the leakproofness of motor.

2. The utility model discloses a both sides at the top cap are equipped with the recess, are equipped with sealed the pad in the recess, and one side of recess is equipped with the draw-in groove, the both sides snap-on piece at shell top, and the snap-on piece cooperatees with the draw-in groove, and simultaneously, the shell only is equipped with an opening, makes things convenient for the installation and the maintenance of motor promptly, can further improve the leakproofness of this motor again.

Drawings

Fig. 1 is a schematic view of the overall structure of a motor for a four-rotor unmanned aerial vehicle according to the present invention;

fig. 2 is the utility model discloses a partial enlarged view of a structure in fig. 1 that four rotor unmanned aerial vehicle used.

In the figure: 1. a housing; 2. a central shaft; 3. a sand prevention cap; 4. oil sealing; 5. a top cover; 6. a first gimbal ring; 7. a rotor; 8. a stator; 9. a second gimbal ring; 10. a gravity plate; 11. a coil; 12. a thrust carbon disc; 13. a gravity balance seat; 14. a bearing fixing ring; 15. a seal ring 16, a groove; 17. a gasket; 18. a card slot; 19. a clamping piece.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1, a motor for a four-rotor unmanned aerial vehicle comprises a housing 1, a top cover 5 is fixedly connected to the top of the housing 1, a stator 8 is fixedly connected to the middle of the housing 1, a bearing fixing ring 14 is fixedly connected to the bottom of the housing 1, the middle of the stator 8 is of a cavity structure, a rotor 7 is rotatably connected to the middle of the stator 8, a central shaft 2 is fixedly connected to the middle of the rotor 7, a sand control cap 3 is fixedly connected to the top of the central shaft 2, an oil seal 4 is arranged at the joint of the top of the central shaft 2 and the top cover 5, a first balance ring 6 is arranged at the bottom of the top cover 5, seal rings 15 are arranged at the top and the bottom of the rotor 7, coils 11 are arranged at the top and the bottom of the stator 8, a second balance ring 9 is fixedly arranged at the bottom of the rotor 7, a gravity disc 10 is fixedly arranged at the bottom of the central shaft 2, the double sealing structure of the oil seal 4 and the sealing ring 15 is arranged, so that the waterproof performance is enhanced; grooves 16 are formed in two sides of the top cover 5, sealing gaskets 17 are arranged in the grooves 16, clamping grooves 18 are formed in one sides of the grooves 16, clamping pieces 19 are arranged on two sides of the top of the shell 1, and the clamping pieces 19 are matched with the clamping grooves 18.

Wherein, the shell 1 only has an opening at the top, and the rest is a sealing structure, thus being easier to realize sealing.

Wherein, coil 11 is waterproof coil, prevents into water and influences the motor work.

Wherein, cooperate between stator 8 and the rotor 7, sealing washer 15 is located the clearance department of stator 8 and rotor 7 for stator 8 and rotor 7 are not influenced when motor housing 1 intakes.

Wherein, the engaging piece 19 is an elastic metal shifting piece, which is convenient for engaging the top cover 5.

It should be noted that, the utility model relates to a motor that four rotor unmanned aerial vehicle used, when concrete, casing 1 of motor is except open-top, all the other parts are seal structure, do benefit to and realize sealing, 1 open-top's of casing both sides are top cap 5, be used for fixed center pin 2 when the motor function, it is sealed by oil blanket 4 between the top cap 5 of both sides, it is sealed to realize the first layer, prevent to get into water or dust etc. in casing 1, in long-term work, center pin 2 rotates, sand control cap 3 and oil blanket 4 are not hard up, be difficult for getting into debris in the casing 1, sealing washer 15 can block debris and get into between electric motor rotor 7 and the stator 8 this moment, guarantee that the motor operates as usual, coil 11 is waterproof coil, can continue to work after casing 1 intakes, as long as regularly do maintenance and clearance for this motor, can guarantee the long-term effectual work of.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a motor that four rotor unmanned aerial vehicle used, includes shell (1), its characterized in that: the top of the shell (1) is provided with a top cover (5), the middle of the shell (1) is provided with a stator (8), the bottom of the shell (1) is provided with a bearing fixing ring (14), the middle of the stator (8) is of a cavity structure, the middle of the stator (8) is provided with a rotor (7), the middle of the rotor (7) is provided with a central shaft (2), the top of the central shaft (2) is provided with a sand control cap (3), the joint of the top of the central shaft (2) and the top cover (5) is provided with an oil seal (4), the bottom of the top cover (5) is provided with a first balance ring (6), the top and the bottom of the rotor (7) are respectively provided with a sealing ring (15), the top and the bottom of the stator (8) are respectively provided with a coil (11), the bottom of the rotor (7) is fixedly provided with a second balance ring (9), the bottom of the central shaft (2) is, the bottom of the thrust carbon disc (12) is provided with a gravity balance seat (13); the improved structure of the automobile seat is characterized in that grooves (16) are formed in two sides of the top cover (5), sealing gaskets (17) are arranged in the grooves (16), clamping grooves (18) are formed in one sides of the grooves (16), clamping pieces (19) are arranged on two sides of the top of the shell (1), and the clamping pieces (19) are matched with the clamping grooves (18).

2. A motor for a quad-rotor unmanned aerial vehicle according to claim 1, wherein: the shell (1) is provided with only one opening at the top, and the rest part is a sealing structure.

3. A motor for a quad-rotor unmanned aerial vehicle according to claim 1, wherein: the coil (11) is a waterproof coil.

4. A motor for a quad-rotor unmanned aerial vehicle according to claim 1, wherein: the stator (8) is matched with the rotor (7), and the sealing ring (15) is arranged at the gap between the stator (8) and the rotor (7).

5. A motor for a quad-rotor unmanned aerial vehicle according to claim 1, wherein: the clamping sheet (19) is an elastic metal shifting sheet.

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