Motor fixing structure and unmanned aerial vehicle

The combination of detachable screws and convex end nut screws solves the problem of loose mounting bolts, achieving stable motor connection and reducing safety risks.

CN223919614UActive Publication Date: 2026-02-17NANCHANG SANRUI INTELLIGENT TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520797538.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-02-17
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

When disassembling the integrated motor, the mounting bolts loosen as the screws are removed, leading to the need for secondary tightening and the safety risk of loosening due to vibration.

Method used

It adopts a combination structure of detachable screws and convex end grommets, and connects to the countersunk hole of the ESC through the mounting bolt, preventing the mounting bolt from rotating with the detachable screw and achieving a stable connection.

Benefits of technology

No need for secondary tightening of installation bolts, improving motor stability and reducing safety risks caused by vibration and loosening.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223919614U_ABST
    Figure CN223919614U_ABST
Patent Text Reader

Abstract

The utility model discloses a motor fixing structure and an unmanned aerial vehicle. The motor fixing structure comprises a motor body, an electronic speed controller, a mounting bolt, a convex-end machine meter screw, a mounting plate and a detachable screw, the motor body and the electronic speed controller are assembled together through mounting bolts; the mounting plate and the mounting bolt are detachably and fixedly connected through the detachable screw; and the convex end machine-meter screws are fixed in the corresponding counter bores on the electronic speed controller through the mounting bolts. According to the motor fixing structure and the unmanned aerial vehicle provided by the embodiment of the invention, the convex-end machine meter screws are connected to the mounting bolts and the counter bores corresponding to the electronic speed controller, so that the effect of preventing rotation is achieved. When the detachable screw is detached, the installation bolt does not loosen along with rotation of the detachable screw, and secondary fastening of the installation bolt is not needed. And during use vibration, the mounting bolt does not loosen, so that the stability can be improved and the safety risk can be reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of unmanned aerial vehicles, and particularly relates to a motor fixing structure and an unmanned aerial vehicle. BACKGROUND

[0002] At present, some unmanned aerial vehicles adopt an integrated motor as a power device, and the integrated motor is usually composed of a motor body, an electronic speed controller (ESC) and mounting bolts.

[0003] During the process of disassembling the screws for fixing the integrated motor, the mounting bolts are loosened simultaneously with the withdrawal of the screws, thereby causing the need for secondary tightening of the mounting bolts and the safety risks caused by the vibration loosening. CONTENT OF THE UTILITY MODEL

[0004] The application aims to provide a motor fixing structure and an unmanned aerial vehicle, and solve the above technical problems.

[0005] To achieve the above application purposes, the application adopts the following technical solutions:

[0006] In the first aspect, the application provides a motor fixing structure, which comprises a motor body, an ESC, mounting bolts, a convex-end machine screw, a mounting plate and a detachable screw.

[0007] The motor body and the ESC are assembled together through the mounting bolts.

[0008] The detachable screw detachably and fixedly connects the mounting plate and the mounting bolts.

[0009] The convex-end machine screw is fixed to the corresponding counterbore of the ESC through the mounting bolts.

[0010] In some embodiments, the motor body is provided with a first mounting hole, the ESC is provided with a second mounting hole, and the mounting bolts pass through the first mounting hole and the second mounting hole to fixedly connect the motor body and the ESC.

[0011] In some embodiments, the end face of the bolt head of the mounting bolt is provided with a third mounting hole, the mounting plate is provided with a fifth mounting hole, and the detachable screw passes through the third mounting hole and the fifth mounting hole to detachably and fixedly connect the mounting plate and the mounting bolt.

[0012] In some embodiments, the end face of the bolt head of the mounting bolt is provided with a fourth mounting hole, the ESC is provided with a counterbore, and the convex-end machine screw passes through the fourth mounting hole and the counterbore to fixedly connect the mounting bolt to the ESC.

[0013] In some embodiments, the motor body is a brushless direct current motor.

[0014] In a second aspect, the embodiment of the present application provides a UAV, comprising the motor fixing structure provided in the first aspect.

[0015] Compared with the prior art, the embodiment of the present application has the following beneficial effects:

[0016] The motor fixing structure and the UAV provided by the embodiment of the present application have the following beneficial effects: the protruding end motor screw is connected to the mounting bolt and the corresponding counterbore of the electronic speed controller, thereby preventing rotation; when the detachable screw is disassembled, the mounting bolt does not loosen with the rotation of the detachable screw, so that the mounting bolt does not need to be fastened again; when vibration is used, the mounting bolt does not loosen, so that stability can be improved and safety risks can be reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0018] Figure 1 An exploded view of the motor fixing structure provided by the embodiment of the present application is shown;

[0019] Figure 2 A part of the view of Figure 1 is shown;

[0020] Figure 3 Another part of the view of Figure 1 is shown;

[0021] Figure 4 A sectional view of the motor fixing structure provided by the embodiment of the present application is shown.

[0022] Illustration:

[0023] 1, motor body; 11, first mounting hole; 2, electronic speed controller; 21, second mounting hole; 22, counterbore; 3, mounting bolt; 31, third mounting hole; 32, fourth mounting hole; 4, protruding end motor screw; 5, mounting plate; 51, fifth mounting hole; 6, detachable screw. DETAILED DESCRIPTION

[0024] In order to make the technical problems, technical solutions and beneficial effects of the present application more clearly understood, the following will further describe the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0025] It is to be noted that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] In addition, the terms "first", "second", "third", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second", "third", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0027] In order to illustrate the technical solutions of the present application, specific embodiments are described below.

[0028] Please refer to Figures 1 to 4 As shown in the drawings, the embodiments of the present application provide a motor fixing structure, comprising: a motor body 1, an electronic governor 2, a mounting bolt 3, a convex end machine screw 4, a mounting plate 5 and a detachable screw 6.

[0029] Among them, the motor body 1 and the electronic governor 2 are assembled together through the mounting bolt 3. As an example, the motor body 1, the electronic governor 2 and the mounting bolt 3 constitute an integrated motor.

[0030] The detachable screw 6 detachably and fixedly connects the mounting plate 5 and the mounting bolt 3, so as to realize detachable fixing of the integrated motor.

[0031] The convex end machine screw 4 is fixed to the corresponding counterbore 22 of the electronic governor 2 through the mounting bolt 3, so as to realize anti-backout and anti-looseness.

[0032] The above motor fixing structure, the convex end machine screw 4 is connected to the mounting bolt 3 and the corresponding counterbore 22 of the electronic governor 2, which plays a role of preventing rotation. When the detachable screw 6 is disassembled, the mounting bolt 3 does not loosen with the rotation of the detachable screw 6, and there is no need to tighten the mounting bolt 3 again. When vibration is used, the mounting bolt 3 does not loosen, which can improve the stability of the motor and reduce the safety risk.

[0033] In some embodiments of the present application, a first mounting hole 11 is provided on the motor body 1, a second mounting hole 21 is provided on the electronic governor 2, and the mounting bolt 3 is fixedly connected to the motor body 1 and the electronic governor 2 through the first mounting hole 11 and the second mounting hole 21.

[0034] In some embodiments of the present application, an end surface of a bolt head of the mounting bolt 3 is provided with a third mounting hole 31, a fifth mounting hole 51 is provided on the mounting plate 5, and the detachable screw 6 detachably and fixedly connects the mounting plate 5 and the mounting bolt 3 through the third mounting hole 31 and the fifth mounting hole 51.

[0035] In some embodiments of the present application, the end surface of the head of the mounting bolt 3 is provided with a fourth mounting hole 32, the electric governor 2 is provided with a counterbore 22, and the convex end machine screw 4 is fixedly connected to the electric governor 2 through the fourth mounting hole 32 and the counterbore 22.

[0036] For example, the third mounting hole 31 is located at the center of the end surface of the head of the mounting bolt 3, and the two fourth mounting holes 32 are located on both sides of the third mounting hole 31.

[0037] For example, the plurality of counterbores 22 are circularly distributed around the second mounting hole 21.

[0038] In some embodiments of the present application, the motor body 1 is a brushless direct current motor.

[0039] In some embodiments of the present application, a kind of unmanned plane is also provided, including the motor fixing structure provided by any one of the above embodiments, also has the beneficial effects described above.

[0040] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A motor fixing structure, characterized in that, include: Motor body, ESC, mounting bolts, convex end screws, mounting plate and removable screws; The motor body and the ESC are assembled together by the mounting bolts; The removable screws detachably and securely connect the mounting plate to the mounting bolts. The convex end nut screw is fixed to the corresponding countersunk hole on the ESC by the mounting bolt.

2. The motor fixing structure according to claim 1, characterized in that, The motor body is provided with a first mounting hole, and the ESC is provided with a second mounting hole. The mounting bolts pass through the first mounting hole and the second mounting hole to fix the motor body and the ESC together.

3. The motor fixing structure according to claim 1, characterized in that, The bolt head of the mounting bolt has a third mounting hole on its end face, and the mounting plate has a fifth mounting hole. The detachable screw detachably and securely connects the mounting plate and the mounting bolt through the third mounting hole and the fifth mounting hole.

4. The motor fixing structure according to claim 1, characterized in that, The bolt head of the mounting bolt has a fourth mounting hole on its end face, and the ESC has a countersunk hole. The convex end nut screw is used to fix the mounting bolt to the ESC through the fourth mounting hole and the countersunk hole.

5. The motor fixing structure according to claim 1, characterized in that, The motor body is a brushless DC motor.

6. A drone, characterized in that, Includes a motor fixing structure as described in any one of claims 1 to 5.