Unmanned aerial vehicle motor base with rainproof function

By employing a waterproof design with double sealing rings and filling gaskets on the drone motor base, the problem of water ingress into the motor is solved, achieving effective rainproof function and improving the motor's safety and sealing performance.

CN223686869UActive Publication Date: 2025-12-19JIANGSU BLUE WHALE SMART SPACE RES INST CO LTD
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Patent Information

Application Number
CN202520296553.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2025-12-19
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

The existing drone motor base has a gap between the motor output shaft and the hole, which may allow rainwater to flow in, causing water damage to the motor and posing a safety hazard.

Method used

The motor output shaft waterproofing mechanism with a double-seal structure includes a first sealing ring and a second sealing ring, which, together with a filling gasket and a protective gasket, form a lip structure and are fixed by locking bolts to constitute a sealing structure.

Benefits of technology

It effectively prevents rainwater from entering the motor base, avoids motor damage, improves sealing effect, extends the life of the sealing ring, and eliminates safety hazards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an unmanned aerial vehicle motor base with a rainproof function, which comprises an unmanned aerial vehicle body, a motor base, an unmanned aerial vehicle motor, a cover plate and a motor output shaft waterproof mechanism, and the motor base is fixed at four corners of the unmanned aerial vehicle body. The motor output shaft waterproof mechanism has the advantages that the first sealing ring and the second sealing ring which are symmetrically arranged in the motor output shaft waterproof mechanism and the lip-type structures of the sealing rings are combined to form a double-sealing structure, rainwater is prevented from flowing into a motor base from the connecting position between the output shaft of the unmanned aerial vehicle motor and the cover plate, and the motor output shaft waterproof mechanism is safe and reliable. The motor of the unmanned aerial vehicle is effectively prevented from being damaged by water, the sealing effect is greatly improved while potential safety hazards are eliminated, meanwhile, through arrangement of a filling gasket and a protective gasket, the first sealing ring and the second sealing ring are isolated from each other, abrasion between the first sealing ring and the second sealing ring and the fixing base is avoided, and the service life of the motor of the unmanned aerial vehicle is prolonged. And the service life of the sealing ring is effectively prolonged.
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Description

TECHNICAL FIELD

[0001] The utility model relates to an unmanned plane, concretely to an unmanned plane motor base with rainwater prevention function belongs to unmanned plane technical field. BACKGROUND

[0002] Multi-rotor unmanned plane is a special unmanned helicopter with three or more rotor axes, which rotates through the motor on each axis to drive the rotor to generate lift and thrust, and the total pitch of the rotor is fixed, unlike the general helicopter that can be changed, by changing the relative rotation speed between different rotors, the size of single-axis propulsion force can be changed to control the running track of the aircraft, for the unmanned plane, the motor is the "heart" of the unmanned plane, and the motor is generally fixed on the motor base provided on the unmanned plane.

[0003] However, the existing unmanned plane motor base has various problems, for example, in the integrated unmanned plane waterproof built-in electronic governor motor base disclosed in the publication number CN211494482U, the upper seat body and the lower seat body are sealed and combined, and the electronic governor is sealed and installed in the upper seat body and the lower seat body, so that the electronic governor can be waterproofed, but in the technical scheme and most of the current technical schemes, the motor base only waterproofs the upper and lower connected parts, and the output shaft of the motor needs to pass through the hole provided on the base, and there is a gap between the output shaft and the hole, which may cause rainwater to flow into the motor base from the gap during use, causing the motor to be damaged by water, and there is a great safety hazard. UTILITY MODEL CONTENTS

[0004] The utility model technical scheme aims at the technical problem that the prior art solution is too single, and provides a solution significantly different from the prior art, specifically, the purpose of the utility model is to solve the above-mentioned shortcomings in the prior art, and a unmanned plane motor base with rainwater prevention function is provided.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A unmanned plane motor base with rainwater prevention function, including unmanned plane body, motor base, unmanned plane motor, cover plate and motor output shaft waterproof mechanism, the motor base is fixed at the four corners of the unmanned plane body, the unmanned plane motor is fixed in the motor base, the cover plate is connected at the top of the motor base, the motor output shaft waterproof mechanism is arranged at the center of the cover plate;

[0007] The motor output shaft waterproof mechanism comprises a fixed seat, a first sealing ring and a second sealing ring, the fixed seat is fixed at the center of the cover plate, the first sealing ring and the second sealing ring are coaxially connected in the fixed seat and are symmetrically arranged upward and downward, the first sealing ring and the second sealing ring are in a lip structure, and a through hole is formed in the center of the first sealing ring and the second sealing ring, and the output shaft of the unmanned aerial vehicle motor passes through the through hole.

[0008] As a further scheme of the utility model: the center of the first sealing ring and the second sealing ring is coaxially provided with a filling gasket, the filling gasket is made of high-density rubber material and is in a circular ring structure.

[0009] As a further scheme of the utility model: the gap between the first sealing ring and the fixed seat and the gap between the second sealing ring and the fixed seat are filled with protective gaskets, the protective gaskets are made of soft rubber material and are in a circular ring structure.

[0010] As a further scheme of the utility model: the side wall top of the motor base and the outer wall of the cover plate are coaxially provided with butt joints, and locking bolts are arranged between the two butt joints.

[0011] As a further scheme of the utility model: a through hole is formed in the butt joint, the locking bolt passes through the through hole and is locked by a nut, and a plurality of locking bolts are correspondingly and equidistantly arranged in the through hole.

[0012] As a further scheme of the utility model: the top of the motor base is concave and provided with a limiting groove, the bottom of the cover plate is convex and provided with a sealing pad, and the sealing pad is connected in the limiting groove.

[0013] The utility model discloses the beneficial effect is:

[0014] In the utility model, the first sealing ring and the second sealing ring symmetrically arranged in the motor output shaft waterproof mechanism and the lip structure of the sealing ring are combined to form a double-sealing structure, so that rainwater is prevented from flowing into the motor base from the connection between the output shaft of the unmanned aerial vehicle motor and the cover plate, the unmanned aerial vehicle motor is effectively prevented from being damaged by water, the safety hazard is eliminated, the sealing effect is greatly improved, the first sealing ring and the second sealing ring are isolated by the filling gasket and the protective gasket, and wear between the first sealing ring, the second sealing ring and the fixed seat is avoided, and the service life of the sealing ring is effectively prolonged. ACCURACY OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the motor base and the whole split structure schematic diagram of the utility model;

[0017] Figure 3 It is the cover plate connecting structure schematic view of the utility model;

[0018] Figure 4 It is the motor output shaft waterproof mechanism section structure schematic view of the utility model.

[0019] In the drawing: 1, unmanned aerial vehicle body, 2, motor base, 3, unmanned aerial vehicle motor, 4, cover plate, 5, motor output shaft waterproof mechanism, 51, fixed seat, 52, first sealing ring, 53, second sealing ring, 54, filling gasket, 55, protective gasket, 6, butt joint disc, 7, locking bolt, 8, limiting groove, 9, sealing pad. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model. EMBODIMENT

[0021] As Figures 1 to 4 shown, a unmanned aerial vehicle motor base with rainwater-proof function, including unmanned aerial vehicle body 1, motor base 2, unmanned aerial vehicle motor 3, cover plate 4 and motor output shaft waterproof mechanism 5, motor base 2 is fixed at the four corners of unmanned aerial vehicle body 1, unmanned aerial vehicle motor 3 is fixed in motor base 2, cover plate 4 is connected at the top of motor base 2, and motor output shaft waterproof mechanism 5 is arranged at the center of cover plate 4;

[0022] Motor output shaft waterproof mechanism 5 includes fixed seat 51, first sealing ring 52 and second sealing ring 53, fixed seat 51 is fixed at the center of cover plate 4, first sealing ring 52 and second sealing ring 53 are coaxially connected in fixed seat 51, and are symmetrically arranged up and down, and first sealing ring 52 and second sealing ring 53 are both in lip structure, and a through hole is arranged at the center of the two, and the output shaft of unmanned aerial vehicle motor 3 passes through the through hole;

[0023] The center of first sealing ring 52 and second sealing ring 53 is coaxially provided with filling gasket 54, filling gasket 54 is made of high-density rubber material and constitutes a circular ring structure, the gap between first sealing ring 52 and fixed seat 51 is filled with protective gasket 55, and the gap between second sealing ring 53 and fixed seat 51 is filled with protective gasket 55, and protective gasket 55 is made of soft rubber material and constitutes a circular ring structure.

[0024] In the utility model, the first sealing ring 52 and the second sealing ring 53 which are symmetrically arranged in the waterproof mechanism 5 of the motor output shaft and the lip structure of the sealing ring are combined to form a double sealing structure, so that rainwater cannot flow into the motor base 2 from the connecting part between the output shaft of the unmanned aerial vehicle motor 3 and the cover plate 4, the unmanned aerial vehicle motor 3 is effectively prevented from being damaged by water, the safety hazard is eliminated, the sealing effect is greatly improved, the first sealing ring 52 and the second sealing ring 53 are isolated from each other by the filling gasket 54 and the protective gasket 55, and the first sealing ring 52 and the second sealing ring 53 are prevented from being abraded by the fixing seat 51, so that the service life of the sealing ring is effectively prolonged. Embodiment

[0025] As Figures 1 to 4 shown, in addition to comprising all the technical features in embodiment one, the embodiment also comprises:

[0026] The side wall top of the motor base 2 and the outer wall of the cover plate 4 are coaxially provided with the butt joint discs 6, and the locking bolts 7 are arranged between the upper and lower butt joint discs 6, so that the cover plate 4 and the motor base 2 can be quickly disassembled and assembled through the arrangement of the locking bolts 7.

[0027] The through holes are arranged through the butt joint discs 6, the locking bolts 7 pass through the through holes and are locked by nuts, and the locking bolts 7 are one-to-one corresponding to the through holes and are equidistantly arranged, so that the cover plate 4 and the motor base 2 can be uniformly locked through the arrangement of the plurality of locking bolts 7.

[0028] The top of the motor base 2 is concave and provided with the limiting grooves 8, the bottom of the cover plate 4 is convexly provided with the sealing pads 9, the sealing pads 9 are clamped in the limiting grooves 8, and the concave-convex connecting structure is formed through the combination of the sealing pads 9 and the limiting grooves 8, so that the connecting part of the cover plate 4 and the motor base 2 can form a sealing structure.

[0029] Working principle: when the unmanned aerial vehicle is used, the unmanned aerial vehicle motor 3 is first fixed in the motor base 2, then the cover plate 4 is placed on the top of the motor base 2, when the cover plate 4 is placed, the output shaft of the unmanned aerial vehicle motor 3 passes through the first sealing ring 52 and the second sealing ring 53 until the cover plate 4 is butt jointed with the top of the motor base 2, then the sealing pad 9 is pressed into the limiting groove 8, and then the locking bolt 7 passes through the through hole between the adjacent two butt joint discs 6 and locks the adjacent two butt joint discs 6 through the nut.

[0030] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0031] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single independent technical solution, but this does not mean that each embodiment only contains one independent technical solution. The specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A UAV motor base with rainproof function, comprising a UAV body (1), a motor base (2), a UAV motor (3), a cover plate (4) and a motor output shaft waterproof mechanism (5), characterized in that, The motor base (2) is fixed at the four corners of the unmanned aerial vehicle body (1), the unmanned aerial vehicle motor (3) is fixed in the motor base (2), the cover plate (4) is connected at the top of the motor base (2), and the motor output shaft waterproof mechanism (5) is arranged at the center of the cover plate (4). The motor output shaft waterproof mechanism (5) comprises a fixing seat (51), a first sealing ring (52) and a second sealing ring (53), the fixing seat (51) is fixed at the center of the cover plate (4), the first sealing ring (52) and the second sealing ring (53) are coaxially connected in the fixing seat (51) and are symmetrically arranged up and down, and the first sealing ring (52) and the second sealing ring (53) are in a lip structure and are provided with through holes at their centers, and the output shaft of the unmanned aerial vehicle motor (3) passes through the through holes.

2. The unmanned aerial vehicle motor base with rainproof function according to claim 1, characterized in that: The center of the first sealing ring (52) and the second sealing ring (53) is coaxially provided with a filling gasket (54), and the filling gasket (54) is made of high-density rubber material and is in a circular ring structure.

3. The unmanned aerial vehicle motor base with rainproof function according to claim 1, characterized in that: The gap between the first sealing ring (52) and the fixing seat (51) and the gap between the second sealing ring (53) and the fixing seat (51) are filled with protective gaskets (55), and the protective gaskets (55) are made of soft rubber material and are in a circular ring structure.

4. The unmanned aerial vehicle motor base with rainproof function according to claim 1, characterized in that: The side wall top of the motor base (2) and the outer wall of the cover plate (4) are coaxially provided with butt joints (6), and locking bolts (7) are arranged between the two butt joints (6).

5. The unmanned aerial vehicle motor base with rainproof function according to claim 4, characterized in that: The butt joint (6) is provided with a through hole, the locking bolt (7) passes through the through hole and is locked by a nut, and the locking bolt (7) and the through hole are one-to-one and equidistantly arranged.

6. The unmanned aerial vehicle motor base with rainproof function according to claim 1, characterized in that: The top of the motor base (2) is recessed to form a limiting groove (8), the bottom of the cover plate (4) is protruding to form a sealing pad (9), and the sealing pad (9) is connected in the limiting groove (8).

Citation Information

Patent Citations

  • Integrated unmanned aerial vehicle waterproof built-in electric speed controller motor base

    CN211494482U