CN221929525U

CN221929525U - Motor and propeller component

Info

Publication number: CN221929525U
Application number: CN202323452092.0U
Authority: CN
Inventors: 陶飞; 黄伟光; 朱志宏; 史梓汐; 徐山益
Original assignee: Chengdu Shenglan Innovation Technology Co ltd
Current assignee: Chengdu Shenglan Innovation Technology Co ltd
Priority date: 2023-12-15
Filing date: 2023-12-15
Publication date: 2024-10-29
Anticipated expiration: 2033-12-15

Abstract

A motor and a propeller component relate to the field of motors and comprise a connecting component connected with a rotor shell, wherein the central axis of the connecting component coincides with the rotation axis of the rotor shell, and the connecting component can facilitate the connection of an executing mechanism and ensure the stability of the motor during rotation; the screw component comprises the motor and the blade assembly, and can be connected with the motor in a detachable mode, so that the stability of the screw during rotation is ensured.

Description

Motor and propeller component

Technical Field

The utility model relates to the field of motors, in particular to a motor and a propeller component.

Background

At present, the rotor shell of the existing outer rotor motor is the same as the rotor motor shell, no installation structure exists, the execution mechanism can only be installed on the rotor shell through welding or other modes when the execution mechanism is installed, and the use is extremely inconvenient.

In view of this, the present application has been made.

Disclosure of utility model

A first object of the present utility model is to provide a motor, which can facilitate connection of an actuator by providing a connection assembly and ensure stability when the motor rotates;

A second object of the present utility model is to provide a propeller member which can facilitate connection of a propeller to a motor in a detachable manner and ensure stability when the propeller rotates.

Embodiments of the present utility model are implemented as follows:

A motor comprises a connecting component connected with a rotor shell, wherein the central axis of the connecting component coincides with the axis of rotation of the rotor shell.

Further, the connecting assembly comprises a first connecting part and a second connecting part which are coaxially arranged, and the first connecting part is connected with the rotor shell;

The rotor shell is provided with a central hole matched with the second connecting part, and one end, far away from the first connecting part, of the second connecting part penetrates through the central hole and then is placed in the shaft hole of the stator.

Further, along the circumference of the second connecting part, the second connecting part is movably connected with the stator.

Further, the outer wall of the connecting assembly is provided with bearing parts, the bearing parts are uniformly distributed along the circumferential direction of the connecting assembly, and the bearing parts are connected with the rotor shell.

Further, the rotor housing is provided with a receiving groove for receiving the plurality of bearing parts, and a central axis of the receiving groove coincides with a rotational axis of the rotor housing.

Further, the connection assembly is detachably connected with the rotor housing.

Further, the motor further comprises a bearing part, the bearing part is connected with one end, far away from the rotor shell, of the connecting assembly, and an included angle is formed between the central axis of the bearing part and the central axis of the connecting assembly.

A propeller member comprising the motor and a blade assembly; the blade assembly comprises a fixed connection part, a rotary connection part and a propeller blade, and the fixed connection part is detachably connected with the bearing part; the fixed connecting part is movably connected with the rotary connecting part along the circumferential direction of the bearing part; the propeller blade is connected with the rotation connecting part.

Further, the blade assembly also comprises a transition connecting part, one side of the transition connecting part is connected with the propeller blade, and the other end of the transition connecting part is rotatably connected with the rotating connecting part; the rotating axis of the transition connecting part is positioned on the same plane with the central axis of the bearing part, and an included angle is formed between the rotating axis of the transition connecting part and the central axis of the bearing part.

Further, at least two acceptors are evenly arranged along the circumference of the connecting assembly, and each acceptors is connected with a blade assembly.

The embodiment of the utility model has the beneficial effects that:

The motor provided by the embodiment of the utility model can directly arrange the connecting component on the rotor shell, thereby being convenient for the direct connection of the actuating mechanism, ensuring the stability of the motor in the rotating process to a great extent and improving the application range of the motor.

In general, the motor provided by the embodiment of the utility model can facilitate the connection of the actuating mechanism by arranging the connecting component and ensure the stability of the motor during rotation; the screw component is realized based on the motor, can be convenient for screw and motor to be connected through detachable mode to guarantee the stability when screw rotates.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a motor according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a motor provided by an embodiment of the present utility model;

FIG. 3 is a schematic view of a rotor housing according to an embodiment of the present disclosure;

Fig. 4 is a schematic structural diagram of a connection assembly according to an embodiment of the present utility model;

fig. 5 is a schematic structural view of a propeller member according to an embodiment of the present utility model;

Fig. 6 is a schematic view of a state of a propeller member when a motor provided in an embodiment of the present utility model stops rotating;

FIG. 7 is a schematic view of a blade assembly according to an embodiment of the present utility model;

fig. 8 is an exploded view of a blade assembly provided in an embodiment of the present utility model.

Icon: 100-motor, 110-connecting assembly, 111-first connecting part, 112-second connecting part, 120-bearing part, 130-bearing part, 140-rotor shell, 141-central hole, 142-containing groove, 150-stator;

200-blade assemblies, 210-fixed connection, 220-rotational connection, 230-transitional connection, 240-propeller blades;

1000-propeller members.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "parallel," "perpendicular," and the like, do not denote that the components are required to be absolutely parallel or perpendicular, but may be slightly inclined. For example, "parallel" merely means that the directions are more parallel than "perpendicular" and does not mean that the structures must be perfectly parallel, but may be slightly tilted.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

Referring to fig. 1-4, the present embodiment provides a motor 100, which includes a connection assembly 110, a bearing portion 120 and a receiving portion 130, wherein the connection assembly 110 is connected with a rotor housing 140, and a central axis of the connection assembly 110 coincides with a rotational axis of the rotor housing 140;

The receiving portion 130 is connected to an end of the connection assembly 110 away from the rotor housing 140, and an included angle is formed between a central axis of the receiving portion 130 and a central axis of the connection assembly 110.

It should be noted that, the motor 100 in the present embodiment is an external rotor motor, which has a fixed stator 150 and a rotor housing 140 rotating around the stator 150, and this is a conventional structure of the external rotor motor 100, and will not be described herein.

In this embodiment, the angle between the central axis of the receiving portion 130 and the central axis of the connection assembly 110 is preferably 90 °.

It should be noted that, in the actual implementation process, the number of the receiving parts 130 may be correspondingly set according to the number of the actuators that need to be connected; however, in order to ensure that the rotor housing 140 drives the actuator to rotate stably during rotation, when there are a plurality of actuators to be connected, and thus the bearing portions 130 are correspondingly a plurality of, the bearing portions 130 need to be distributed in an array along the circumferential direction of the connection assembly 110, so as to ensure that the stress in the rotation process is uniform.

Through the design, the connecting component 110 can be directly arranged on the rotor shell 140, so that the direct connection of an executing mechanism is facilitated, the stability of the motor 100 in the rotation process is ensured to a great extent, and the application range of the motor 100 is improved.

In general, the motor 100 according to the embodiment of the present utility model can facilitate connection of an actuator and ensure stability of the motor 100 during rotation by providing the connection assembly 110.

Further, the connection assembly 110 includes a first connection part 111 and a second connection part 112 coaxially disposed, and the first connection part 111 is connected with the rotor housing 140; the rotor housing 140 is provided with a central hole 141 matching with the second connection part 112, and one end of the second connection part 112 far from the first connection part 111 passes through the central hole 141 and is then placed in the shaft hole of the stator 150.

Specifically, the second connecting portion 112 is movably connected with the stator 150 along the circumferential direction of the second connecting portion 112.

It should be noted that, the stator 150 of the external rotor motor 100 is provided with a shaft hole, which is a conventional technical means, and is intended to facilitate connection of the stator 150 with an external fixture for installation.

It should be noted that, the central axis of the central hole 141 coincides with the central axis of the shaft hole of the stator 150, that is, the central hole 141 is coaxial with the shaft hole of the stator 150; further, since the connection assembly 110 is connected to the rotor housing 140, the second connection 112 and the central bore 141 may be either an interference fit or a clearance fit or no fit relationship.

In this embodiment, in order to ensure that the stator 150 can support the connection assembly 110 to a certain extent, the second connection portion 112 is externally provided with a plurality of bearings, and the outer ring of the bearings is in contact with the inner wall of the shaft hole of the stator 150.

Through the mode, the first connecting part 111 can be connected with the rotor housing 140, and the second connecting part 112 is movably connected with the stator 150 along the circumferential direction of the rotation axis of the rotor housing 140, so that the stability of the rotation of the rotor housing 140 is further ensured, the stability of the connecting component 110 along with the rotation of the rotor housing 140 is ensured, and the swinging of the connecting component 110 in the horizontal direction is avoided, so that the actual use effect is influenced.

In this embodiment, in order to ensure the connection stability between the connection assembly 110 and the rotor housing 140, the bearing portion 120 is specially added, the bearing portion 120 is disposed on the outer wall of the first connection portion 111, the plurality of bearing portions 120 are uniformly distributed along the circumferential direction of the connection assembly 110, and the plurality of bearing portions 120 are detachably connected with the rotor housing 140.

Specifically, the detachable connection manner between the bearing portion 120 and the rotor housing 140 may be one of a bolt connection, a screw connection, a snap connection, or other detachable connection manners in the conventional prior art, in this embodiment, the detachable connection manner is preferably a bolt connection manner, and the through hole is formed in the bearing portion 120, the threaded hole is formed in the rotor housing 140, and then the connection is performed through a bolt.

The rotor case 140 is provided with a receiving groove 142 for receiving the plurality of bearing parts 120, and a central axis of the receiving groove 142 coincides with a rotational axis of the rotor case 140. And the distance from the end of the bearing part 120 to the central axis of the first connecting part 111 is smaller than the radius of the accommodating groove 142, so that the bearing part 120 can be placed in the accommodating groove 142.

In addition, referring to fig. 5-8, the present embodiment further provides a propeller member 1000, which includes the motor 100 and the blade assembly 200, wherein the blade assembly 200 includes a fixed connection portion 210, a rotating connection portion 220, a transition connection portion 230, and a propeller blade 240, and the fixed connection portion 210 is detachably connected with the receiving portion 130; along the circumferential direction of the receiving part 130, the fixed connecting part 210 is movably connected with the rotating connecting part 220; the propeller blade 240 is connected to the rotation connection 220.

Specifically, the receiving portion 130 is provided with a threaded hole along an axial direction thereof, and one end of the fixed connection portion 210 is provided with a thread engaged with the threaded hole, in such a manner that the fixed connection portion 210 is connected with the receiving portion 130.

In addition, the rotation connection part 220 is provided with a coupling hole along an axial direction thereof, one end of the fixed connection part 210 remote from the receiving part 130 may be disposed in the coupling hole, and the fixed connection part 210 is connected with the rotation connection part 220 through a bearing, so that the rotation connection part 220 may rotate with a central axis of the fixed connection part 210 as a shaft.

In this embodiment, one side of the transition connection part 230 is connected with the propeller blade 240, and the other end is rotatably connected with the rotation connection part 220; the rotation axis of the transition connection part 230 is located on the same plane with the central axis of the receiving part 130, and an included angle is formed between the rotation axis of the transition connection part 230 and the central axis of the receiving part 130.

Specifically, in the present embodiment, an included angle is formed between the rotation axis of the transition connection portion 230 and the central axis of the receiving portion 130 by 90 °.

It should be noted that, in the present embodiment, when the motor 100 is not rotating, the propeller 240 drives the transition connection portion 230 to rotate under the action of gravity, and at this time, an included angle of 90 ° is formed between the central axis of the propeller 240 and the central axis of the receiving portion 130; when the motor 100 starts to rotate, the rotor housing drives the blade assembly 200 to rotate, and the transitional connection part 230 and the rotation connection part 220 rotate relatively under the action of centrifugal force, at this time, the central axis of the propeller blade 240 coincides with the central axis of the receiving part 130.

In addition, in the present embodiment, at least two receiving parts 130 are uniformly arranged along the circumferential direction of the connection assembly 110, and each receiving part 130 is connected with a blade assembly 200; when the blade assemblies 200 are not less than three, the plurality of blade assemblies 200 are distributed in an annular array with the central axis of the connecting assembly 110 as the axis, so that the stability during rotation is ensured.

The working principle of the propeller member 1000 is that when the motor 100 is not rotating, the propeller blade 240 drives the transitional connection part 230 to rotate relative to the rotational connection part 220 under the action of gravity, and at this time, an included angle of 90 ° is formed between the central axis of the propeller blade 240 and the central axis of the receiving part 130;

When the motor 100 starts to rotate, the rotating shell rotates to drive the connecting assembly 110 to rotate, so that the blade assembly 200 is driven to rotate by the bearing part 130, the transition connecting part 230 and the rotating connecting part 220 rotate relatively under the action of centrifugal force, and at the moment, the central axis of the propeller blade 240 coincides with the central axis of the bearing part 130;

When the propeller member 1000 needs to change the pitch, the steering engine drives the rotating connection part 220 to rotate by a certain angle with the central axis of the fixed connection part 210, and at this time, the rotating connection part 220 synchronously drives the propeller blade 240 to rotate by a certain angle.

In summary, the motor 100 provided by the utility model can facilitate the connection of the actuating mechanism and ensure the stability of the motor 100 during rotation by arranging the connecting assembly 110; the propeller member 1000 is realized based on the above-described motor 100, which can facilitate connection of the propeller with the motor 100 in a detachable manner and ensure stability when the propeller rotates.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The motor is characterized by comprising a connecting component connected with a rotor shell, wherein the central axis of the connecting component coincides with the rotation axis of the rotor shell;

The connecting assembly comprises a first connecting part and a second connecting part which are coaxially arranged, and the first connecting part is connected with the rotor shell;

2. The motor of claim 1, wherein the second connecting portion is movably connected to the stator in a circumferential direction of the second connecting portion.

3. The motor of claim 1, wherein the outer wall of the connecting assembly is provided with bearing parts, the bearing parts are uniformly distributed along the circumferential direction of the connecting assembly, and the bearing parts are connected with the rotor housing.

4. A motor according to claim 3, wherein the rotor housing is provided with a receiving groove for receiving a plurality of the bearing portions, and a central axis of the receiving groove coincides with a rotational axis of the rotor housing.

5. The electric machine of claim 1, wherein the connection assembly is removably connected to the rotor housing.

6. The motor of any one of claims 1-5, further comprising a receptacle connected to an end of the connection assembly remote from the rotor housing, the receptacle having a central axis that is angled from a central axis of the connection assembly.

7. A propeller member comprising the motor and blade assembly of claim 6; the blade assembly comprises a fixed connection part, a rotary connection part and a propeller blade, wherein the fixed connection is detachably connected with the bearing part; the fixed connecting part is movably connected with the rotating connecting part along the circumferential direction of the bearing part; the propeller blade is connected with the rotating connection part.

8. The propeller member of claim 7, wherein the blade assembly further comprises a transition connection portion having one side connected to the propeller blade and the other end rotatably connected to the rotational connection portion; the rotating axis of the transition connecting part and the central axis of the bearing part are positioned on the same plane, and an included angle is formed between the rotating axis of the transition connecting part and the central axis of the bearing part.

9. A propeller member according to claim 7 or 8, wherein at least two of said sockets are evenly arranged along the circumference of said connection assembly, each of said sockets being connected with said blade assembly.