Brushless motor convenient to install

Abstract

The utility model aims to provide a brushless motor convenient to install, which comprises a stator seat and a rotating assembly, the rotating assembly comprises a rotor frame, paddles and an O-shaped ring, the rotor frame is rotatably arranged on the stator seat, a positioning convex column is arranged on the axis of the rotor frame, two fixing convex blocks are arranged on the rotor frame along the radial direction, and the O-shaped ring is arranged on the rotor frame. The two fixing protruding blocks are located on the two opposite sides of the positioning protruding column, the positioning protruding column is sleeved with the paddle, and the two ends of the O-shaped ring are connected to the two fixing protruding blocks respectively so that the O-shaped ring can tightly press the top of the paddle. Therefore, the blades can be rapidly and fixedly installed on the rotor frame, the structure is simple, installation is convenient, a blade clamp does not need to be used as a middle part, the overall weight of the motor is reduced by reducing accessories, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a brushless motor which is easy to install. Background Art

[0002] Fixed-wing model aircraft are scaled-down replicas of real aircraft used for recreation, competition, or training. They are typically constructed from lightweight materials such as foam, wood, or composite materials and can be equipped with electric or fuel-powered propulsion systems. The basic components of a fixed-wing model aircraft include the nose, wings, fuselage, engine / motor, tail, and landing gear. The motor, as a power source, is crucial to the aircraft's flight performance.

[0003] The current mainstream design approach in the industry is to minimize the overall weight of model aircraft. Therefore, as the power source of the model aircraft, the motor itself is the source of the power. How to reduce the weight of the motor itself without affecting its performance is a problem that those skilled in the art need to solve. Currently, the propeller blades of fixed-wing model aircraft require the use of a propeller clamp as an intermediate component to mount on the motor. However, this mounting structure not only increases the weight of the propeller clamp but also increases the assembly process. Therefore, to address this issue, the easy-to-install brushless motor of this application is proposed. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a brushless motor that is easy to install and has a simplified installation structure, thereby reducing the weight of the motor itself and lowering the manufacturing cost.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A brushless motor that is easy to install, comprising:

[0007] stator housing; and

[0008] A rotating assembly, comprising a rotor frame, a blade and an O-ring, wherein the rotor frame is rotatably arranged on the stator seat, a positioning boss is provided on the axis of the rotor frame, two fixing protrusions are radially provided on the rotor frame, and the two fixing protrusions are located on opposite sides of the positioning boss, the blade is sleeved on the positioning boss, and the two ends of the O-ring are respectively connected to the two fixing protrusions so that the O-ring presses the top of the blade.

[0009] Optionally, the rotor frame includes a rotating frame and a rotating shaft, the rotating shaft is sequentially provided in the rotating frame and the stator seat so that the rotating frame is rotatably connected to the stator seat, and the positioning boss and the fixing block are both located on the rotating frame.

[0010] Optionally, two locking protrusions are provided on the fixing protrusion, and the two locking protrusions are respectively located on two outer side walls of the fixing protrusion that are distributed facing each other.

[0011] Optionally, the rotor frame further includes a frame ring and a plurality of magnetic tiles, the frame ring is arranged on the rotating frame, and the magnetic tiles are arranged at intervals on the inner side wall of the frame ring.

[0012] Optionally, the rotating frame is further provided with a number of equally spaced spacers, each of which abuts against the inner side wall of the frame ring, so that a groove is formed between any adjacent spacers, and each magnetic tile is located in each groove.

[0013] Optionally, the rotating frame is glued to the frame ring.

[0014] Optionally, the rotating frame is a hollow structure.

[0015] Optionally, a plurality of stator coils distributed at equal angles are arranged in the stator seat.

[0016] Optionally, a plurality of fixing ears are provided on the outer side wall of the stator seat.

[0017] Optionally, the O-ring is a rubber structure.

[0018] Compared with the prior art, the present invention has at least the following advantages:

[0019] The utility model discloses a brushless motor that is easy to install, comprising a stator base and a rotating assembly. The rotating assembly comprises a rotor frame, blades, and an O-ring. The rotor frame is rotatably mounted on the stator base. A positioning boss is provided on the axis of the rotor frame. Two radially disposed fixing bumps are provided on the rotor frame, and the two fixing bumps are located on opposite sides of the positioning boss. The blades are sleeved on the positioning boss. The ends of the O-ring are respectively connected to the two fixing bumps so that the O-ring presses against the top of the blades. In this way, the blades can be quickly fixed to the rotor frame. The structure is simple and easy to install. No blade clamps are required as intermediate components. By reducing the number of accessories, the overall weight of the motor is reduced, and the manufacturing cost is lowered. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is a schematic structural diagram of a brushless motor that is easy to install according to one embodiment of the present invention;

[0022] Figure 2 for Figure 1 The exploded structure diagram of the brushless motor is shown to be easy to install;

[0023] Figure 3 This is a schematic structural diagram of a rotating rack according to one embodiment of the present invention;

[0024] Figure 4 for Figure 2 A is a schematic diagram of a local enlarged structure.

[0025] Description of reference numerals:

[0026] 10. Easy-to-install brushless motor; 100. Stator seat; 200. Rotating assembly; 210. Rotor frame; 220. Blade; 230. O-ring; 240. Positioning boss; 250. Fixing boss; 211. Rotating frame; 212. Rotating shaft; 260. Positioning boss; 213. Frame ring; 214. Magnetic tile; 215. Spacer; 310. Stator coil; 410. Fixing ear. DETAILED DESCRIPTION

[0027] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0028] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0030] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0031] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the accompanying drawings, in which preferred embodiments of the present invention are shown.

[0032] like Figure 1 and Figure 2 As shown, a brushless motor 10 that is easy to install includes a stator base 100 and a rotating assembly 200. The rotating assembly 200 includes a rotor frame 210, a blade 220 and an O-ring 230. The rotor frame 210 is rotatably set on the stator base 100. A positioning boss 240 is set on the axis of the rotor frame 210. Two fixing protrusions 250 are radially provided on the rotor frame 210, and the two fixing protrusions 250 are located on opposite sides of the positioning boss 240. The blade 220 is sleeved on the positioning boss 240. The two ends of the O-ring 230 are respectively connected to the two fixing protrusions 250 so that the O-ring 230 presses the top of the blade 220.

[0033] It should be noted that the rotor frame 210 is rotatably mounted on the stator base 100 via a bearing, so that the rotor frame 210 can continuously rotate relative to the stator base 100. A positioning boss 240 is provided at the axial center position on the rotor frame 210, and a fixing protrusion 250 is provided on both sides of the positioning boss 240. In this way, the blade 220 is sleeved on the positioning boss 240. For example, a socket is provided on the blade 220 so that the positioning boss 240 is inserted into the socket. The O-ring 230 is sleeved on the two fixing protrusions 250, and the O-ring 230 passes over the top of the blade 220 to press the blade 220. In this way, the blade 220 can be quickly fixed on the rotor frame 210. The structure is simple and easy to install. There is no need to use a blade clamp as an intermediate component. The overall weight of the motor is reduced by reducing accessories and the manufacturing cost is reduced.

[0034] like Figure 2 As shown, in one embodiment, the rotor frame 210 includes a rotating frame 211 and a rotating shaft 212. The rotating shaft 212 is sequentially provided through the rotating frame 211 and the stator base 100 so that the rotating frame 211 is rotatably connected to the stator base 100. The positioning boss 240 and the fixing protrusion 250 are both located on the rotating frame 211.

[0035] It should be noted that the rotating shaft 212 passes through the rotating frame 211 and the stator base 100 in sequence, and the rotating shaft 212 and the stator base 100 are mounted via a bearing. In this way, the rotating shaft 212 can rotate relative to the stator base 100, which also allows the rotating frame 211 to rotate relative to the stator base 100. In one embodiment, the rotating frame 211 has a hollow structure, which facilitates the flow of gas through the stator base 100 for heat dissipation.

[0036] like Figure 3 As shown, in one embodiment, two locking protrusions 260 are provided on the fixing protrusion 250 , and the two locking protrusions 260 are respectively located on two outer side walls of the fixing protrusion 250 that are distributed facing each other.

[0037] It should be noted that the two locking protrusions 260 are located on either side of the fixing protrusion 250. Thus, the two locking protrusions 260 can stably clamp the O-ring 230 and prevent the O-ring 230 from falling off the fixing protrusion 250. In one embodiment, the locking protrusions 260, the fixing protrusion 250, the positioning boss 240, and the rotating frame 211 are an integrally molded plastic structure.

[0038] like Figure 2 and Figure 4 As shown, in one embodiment, the rotor frame 210 further includes a frame ring 213 and a plurality of magnetic tiles 214 . The frame ring 213 is disposed on the rotating frame 211 , and the magnetic tiles 214 are spaced apart and disposed on the inner side wall of the frame ring 213 .

[0039] It should be noted that the frame ring 213 is secured to the rotating frame 211 using glue. The frame ring 213 wraps around the outside of the stator base 100, and the magnetic tiles 214 are mounted at equal angles on the inner sidewall of the frame ring 213. This creates a stable structure comprising the rotating frame 211, the frame ring 213, and the magnetic tiles 214, allowing for rotation relative to the stator base 100. In one embodiment, the frame ring 213 and the rotating frame 211 are secured using glue.

[0040] like Figure 3 As shown, in one embodiment, a plurality of equally spaced spacers 215 are provided on the rotating frame 211, and each spacer 215 abuts against the inner wall of the frame ring 213, so that a partition groove is formed between any adjacent spacers 215, and each magnetic tile 214 is respectively located in each partition groove.

[0041] Thus, multiple spacers 215 are arranged at equal intervals on the rotating frame 211, so that any two adjacent spacers 215 can limit the position of a magnetic tile 214. This facilitates gluing and fixing the magnetic tile 214 within the frame ring 213. In one embodiment, the spacers 215 and the rotating frame 211 are integrally formed.

[0042] like Figure 1 、 Figure 2and Figure 4 As shown, in one embodiment, a plurality of stator coils 310 distributed at equal angles are disposed in the stator base 100 .

[0043] In this way, each stator coil 310 is distributed at equal angles in a circle around the axis of the stator base 100. By controlling the power on and off of the stator coil 310, each stator coil 310 can generate a rotating magnetic field. This rotating magnetic field can magnetically attract the magnetic tiles 214, thereby allowing the rotating frame 211 to continuously rotate relative to the stator base 100.

[0044] like Figure 1 As shown, in one embodiment, a plurality of fixing ears 410 are provided on the outer side wall of the stator base 100. Thus, the stator base 100 can be quickly installed and fixed by the fixing ears 410.

[0045] In one embodiment, the O-ring 230 is a rubber structure. Thus, the O-ring 230 has a certain elasticity, so that the O-ring 230 can reliably press the blade 220.

[0046] Furthermore, in one embodiment, the blades 220 and the positioning bosses 240 are also glued and fixed together, thereby improving the structural strength of the blades 220 and the rotor frame 210 .

[0047] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A brushless motor that is easy to install, characterized in that: include: stator seat; and A rotating assembly, comprising a rotor frame, a blade and an O-ring, wherein the rotor frame is rotatably arranged on the stator seat, a positioning boss is provided on the axis of the rotor frame, two fixing protrusions are radially provided on the rotor frame, and the two fixing protrusions are located on opposite sides of the positioning boss, the blade is sleeved on the positioning boss, and the two ends of the O-ring are respectively connected to the two fixing protrusions so that the O-ring presses the top of the blade.

2. The brushless motor that is easy to install according to claim 1, characterized in that: The rotor frame includes a rotating frame and a rotating shaft. The rotating shaft is sequentially provided in the rotating frame and the stator seat so that the rotating frame is rotatably connected to the stator seat. The positioning boss and the fixing block are both located on the rotating frame.

3. The brushless motor that is easy to install according to claim 2, characterized in that: The fixing protrusion is provided with two locking protrusions, and the two locking protrusions are respectively located on two outer side walls of the fixing protrusion that are distributed toward each other.

4. The brushless motor that is easy to install according to claim 2, characterized in that: The rotor frame further comprises a frame ring and a plurality of magnetic tiles. The frame ring is arranged on the rotating frame, and the magnetic tiles are arranged on the inner side wall of the frame ring at intervals.

5. The brushless motor that is easy to install according to claim 4, characterized in that: The rotating frame is also provided with a number of equally spaced spacers, each of which is in contact with the inner side wall of the frame ring, so that a groove is formed between any adjacent spacers, and each magnetic tile is located in each groove.

6. The brushless motor that is easy to install according to claim 5, characterized in that: The rotating frame is glued to the frame ring.

7. The brushless motor that is easy to install according to claim 2, characterized in that: The rotating frame is a hollow structure.

8. The brushless motor that is easy to install according to claim 1, characterized in that: A plurality of stator coils distributed at equal angles are arranged in the stator seat.

9. The brushless motor that is easy to install according to claim 1, characterized in that: A plurality of fixing ears are provided on the outer side wall of the stator seat.

10. The brushless motor that is easy to install according to claim 1, characterized in that: The O-ring is a rubber structure.

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