Split type outer rotor rim shaftless propeller

Abstract

The utility model relates to the technical field of propelling power, in particular to a split type outer rotor rim shaftless propeller which comprises a driving module and a transmission module, and the driving module comprises a main support, a stator winding and a waterproof cover. The stator winding is arranged on the main support, the waterproof cover is arranged on the main support and covers the stator winding, the transmission module comprises a rotor shell, a plurality of rotor magnetic shoes and an impeller, the rotor shell is rotationally connected with the main support and / or the waterproof cover, the rotor magnetic shoes are uniformly distributed on the inner circumference of the rotor shell, and the impeller comprises a connecting disc and fan blades. A round hole is formed in the axis of the connecting disc, the fan blades are arranged on the round hole, and the main support is provided with a through groove facing the round hole. According to the utility model, the split type outer rotor rim design is adopted, and the impeller and the rotor magnetic shoes are reasonably arranged, so that the efficient propulsion performance is realized. The impeller is reasonable in design, electric energy can be effectively converted into propulsive force, and propulsive efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of propulsion power, in particular to a split type outer rotor rim shaftless propeller. Background Art

[0002] An underwater thruster is a device used to propel an object forward underwater. It is usually composed of a motor, a propeller and other components, and the propeller is driven by electricity to rotate, thereby generating thrust. Underwater thrusters have a wide range of applications and can be used in underwater robots, submersibles, underwater ships and other fields to achieve their movement and operation underwater. The existing thruster structure is generally an integrated design, and the propulsion power is achieved by driving the impeller through the rotating shaft of the motor. The interior is not waterproof, which affects the use. Therefore, a new design is needed for the existing thruster structure. Utility Model Content

[0003] In order to solve the above problems, the utility model adopts a split outer rotor rim design, and realizes efficient propulsion performance through a reasonably arranged impeller and rotor magnetic tile. The impeller is reasonably designed, can effectively convert electrical energy into propulsion force, and improves the propulsion efficiency of the split outer rotor rim shaftless propeller.

[0004] The technical solution adopted by the utility model is: a split outer rotor rim shaftless propeller, including a driving module and a transmission module, the driving module including a main bracket, a stator winding and a waterproof cover; the stator winding is arranged on the main bracket, the waterproof cover is arranged on the main bracket and covers the stator winding, the transmission module includes a rotor casing, a rotor magnetic tile and an impeller, the rotor casing is rotatably connected to the main bracket and / or the waterproof cover, the rotor magnetic tile is provided with a plurality of and evenly distributed on the inner circumference of the rotor casing, the impeller includes a connecting disk and blades, a circular hole is provided at the axis center of the connecting disk, the blades are arranged on the circular hole, and the main bracket is provided with a through groove facing the circular hole.

[0005] A further improvement to the above scheme is that the main bracket includes a stator mounting portion and a sealing connection portion, the stator mounting portion is used to install the stator winding, the sealing connection portion is installed with a sealing rear bracket, and the sealing rear bracket is used to fix one end of the waterproof cover on the sealing connection portion.

[0006] A further improvement to the above scheme is that the sealed rear bracket is provided with an inner diameter connecting step and an outer diameter connecting step, the inner diameter connecting step is used to connect the sealing connection part, the outer diameter connecting step is provided with a first bearing, and the outer diameter connecting step is rotatably connected to the rotor housing through the first bearing.

[0007] A further improvement to the above scheme is that a sealing front bracket is provided at one end of the main bracket, one end of the sealing front bracket extends into the through groove, and the other end is provided with a matching step, a second bearing is provided on the matching step, and the matching step is rotatably connected to the rotor housing through the second bearing.

[0008] A further improvement to the above solution is that the inner diameter connecting step is provided with a first sealing groove, the sealing front bracket is provided with a sealing connecting ring, and the sealing connecting ring is provided with a second sealing groove.

[0009] A further improvement to the above solution is that a first sealing convex ring and a second sealing convex ring are respectively provided at both ends of the waterproof cover, the first sealing convex ring is used to connect to the first sealing groove, and the second sealing convex ring is used to connect to the second sealing groove.

[0010] A further improvement to the above scheme is that the waterproof cover is arranged on the outer periphery of the main bracket and a sealed cavity is formed between the waterproof cover and the outer periphery of the main bracket, the stator winding is arranged in the sealed cavity, the rotor magnetic tile is located on the outside of the waterproof cover and opposite to the stator winding, and the waterproof cover is used to separate the rotor magnetic tile from the stator winding.

[0011] A further improvement to the above scheme is that the inner diameter of the rotor housing is provided with a magnetic shoe mounting groove, and there are multiple magnetic shoe mounting grooves, and the multiple magnetic shoe mounting grooves are evenly distributed along the inner diameter of the rotor housing in an annular direction, and multiple rotor magnetic shoes are distributed on each magnetic shoe mounting groove.

[0012] A further improvement to the above scheme is that an end step is provided at one end of the rotor housing, one end of the end step is connected to the magnetic shoe mounting groove, and an end cover is installed on the end step, one end of the end cover is used to abut the end of the rotor magnetic shoe, and the other end is used to install the connecting plate.

[0013] A further improvement to the above solution is that an extension ring is provided on one side of the connecting disk, one end of the extension ring extends toward the through slot, and the fan blades are provided on the inner diameter of the extension ring.

[0014] The beneficial effects of the utility model are:

[0015] Compared with the existing propellers, the utility model adopts a split outer rotor rim design, and realizes efficient propulsion performance through the rational layout of the impeller and rotor magnet. The impeller is reasonably designed and can effectively convert electrical energy into propulsion, thereby improving propulsion efficiency. The rotor housing of the propeller is rotatably connected to the main bracket and / or the waterproof cover, and the structure is stable, which can ensure the stability and reliability of the propeller during operation. There are multiple rotor magnets evenly distributed on the inner circumference of the rotor housing. This design can ensure uniform magnetic field distribution and improve the working efficiency and propulsion performance of the propeller. The use of a waterproof cover to cover the stator winding can effectively prevent water intrusion, improve the durability and applicability of the propeller, and has advantages in humid environments or underwater applications. The main bracket is provided with a through groove facing the circular hole. Such a design is conducive to improving the dynamics of water flow and reducing water flow resistance, thereby improving the efficiency and performance of the propeller. The use of a shaftless propeller design reduces mechanical transmission components and energy loss, which is in line with the trend of energy conservation and environmental protection. The utility model has multiple technical effects such as efficient propulsion, stable operation, waterproof design, compact structure, reliability and durability, energy saving and environmental protection, etc. It is suitable for various underwater propulsion applications and has broad market prospects. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the split outer rotor rim shaftless propeller of the utility model;

[0017] Figure 2 for Figure 1 Explosion diagram of a center-split outer rotor rim shaftless propeller;

[0018] Figure 3 for Figure 1 A schematic diagram of the main view of a center-split outer rotor rim shaftless propeller;

[0019] Figure 4 for Figure 3 Sectional view of AA in the middle;

[0020] Figure 5 for Figure 4 A is an enlarged schematic diagram;

[0021] Figure 6 for Figure 4 The enlarged schematic diagram of point B in FIG.

[0022] Explanation of the accompanying drawings: drive module 10, transmission module 20, main bracket 1, through groove 11, stator mounting portion 12, sealing connection portion 13, sealed rear bracket 14, inner diameter connecting step 141, outer diameter connecting step 142, first bearing 143, first sealing groove 144, sealed front bracket 15, matching step 151, second bearing 152, sealing connecting ring 153, second sealing groove 154, stator winding 2, waterproof cover 3, first sealing convex ring 31, second sealing convex ring 32, rotor housing 4, magnetic shoe mounting groove 41, end step 42, rotor magnetic shoe 5, impeller 6, connecting plate 61, circular hole 611, extension ring 612, fan blade 62. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0026] like Figure 1 to Figure 6As shown, in one embodiment of the utility model, a split outer rotor rim shaftless propeller is involved, including a drive module 10 and a transmission module 20, wherein the drive module 10 includes a main support 1, a stator winding 2 and a waterproof cover 3; the stator winding 2 is arranged on the main support 1, the waterproof cover 3 is arranged on the main support 1 and covers the stator winding 2, the transmission module 20 includes a rotor housing 4, a rotor magnetic tile 5 and an impeller 6, the rotor housing 4 is rotatably connected to the main support 1 and / or the waterproof cover 3, the rotor magnetic tile 5 is provided with multiple and evenly distributed on the inner circumference of the rotor housing 4, the impeller 6 includes a connecting disk 61 and a fan blade 62, the connecting disk 61 is provided with a circular hole 611 at the axis center, the fan blade 62 is arranged on the circular hole 611, and the main support 1 is provided with a through slot 11 toward the circular hole 611. This embodiment adopts a split outer rotor rim design, and achieves efficient propulsion performance through the rational layout of the impeller 6 and the rotor magnetic tile 5. The impeller 6 is reasonably designed and can effectively convert electrical energy into propulsion, thereby improving propulsion efficiency. The rotor housing 4 of the propeller is rotatably connected to the main bracket 1 and / or the waterproof cover 3, and the structure is stable, which can ensure the stability and reliability of the propeller during operation. The rotor magnetic tile 5 is provided with multiple and evenly distributed on the inner circumference of the rotor housing 4. This design can ensure that the magnetic field is evenly distributed, thereby improving the working efficiency and propulsion performance of the propeller. The waterproof cover 3 is used to cover the stator winding 2, which can effectively prevent water intrusion, improve the durability and applicability of the propeller, and has advantages in humid environments or underwater applications. The main bracket 1 is provided with a through groove 11 toward the circular hole 611. Such a design is conducive to improving the dynamics of water flow and reducing water flow resistance, thereby improving the efficiency and performance of the propeller. The shaftless propeller design is adopted to reduce mechanical transmission components, reduce energy loss, and meet the trend of energy saving and environmental protection. The utility model has multiple technical effects such as efficient propulsion, stable operation, waterproof design, compact structure, reliable and durable, energy saving and environmental protection, etc. It is suitable for various underwater propulsion applications and has broad market prospects.

[0027] The main bracket 1 includes a stator mounting portion 12 and a sealing connection portion 13, wherein the stator mounting portion 12 is used to mount the stator winding 2, and the sealing connection portion 13 is installed with a sealing rear bracket 14, and the sealing rear bracket 14 is used to fix one end of the waterproof cover 3 on the sealing connection portion 13. In this embodiment, the stator mounting portion 12 provides a stable mounting position, which can ensure the accurate positioning of the stator winding 2, thereby ensuring the stability and reliability of the propeller during operation. By installing the sealing rear bracket 14 through the sealing connection portion 13, effective sealing and fixing of the waterproof cover 3 can be achieved. This design can prevent water intrusion and improve the reliability and durability of the propeller in a humid or underwater environment. The design of the sealing connection portion 13 and the sealing rear bracket 14 makes the installation of the waterproof cover 3 simple and reliable, reducing the difficulty and cost of installation. Since the waterproof cover 3 is effectively fixed and sealed, the influence of external environmental factors on the stator winding 2 can be effectively prevented, and the durability and stability of the propeller are improved. The design of the sealed connection part 13 and the sealed rear bracket 14 makes the thruster more adaptable to the underwater working environment, which is beneficial to the stable operation and long-term use of the thruster in underwater applications.

[0028] The sealed rear bracket 14 is provided with an inner diameter connecting step 141 and an outer diameter connecting step 142, wherein the inner diameter connecting step 141 is used to connect the sealed connecting portion 13, and the outer diameter connecting step 142 is provided with a first bearing 143, and the outer diameter connecting step 142 is rotatably connected to the rotor housing 4 through the first bearing 143. Specifically, a sealed front bracket 15 is provided at one end of the main bracket 1, and one end of the sealed front bracket 15 extends into the through groove 11, and the other end is provided with a matching step 151, and the matching step 151 is provided with a second bearing 152, and the matching step 151 is rotatably connected to the rotor housing 4 through the second bearing 152. In this embodiment, through the design of the inner diameter connecting step 141 and the outer diameter connecting step 142, the sealed rear bracket 14 can be firmly connected to the main bracket 1 and the rotor housing 4. This connection method ensures the stability and reliability between the components. Through the first bearing 143, the outer diameter connecting step 142 is rotatably connected to the rotor housing 4, and this design enables the rotor housing 4 to rotate stably, thereby improving the working efficiency and performance of the propeller. The sealing front bracket 15 extends into the through groove 11 and is connected to the rotor housing 4 by matching the step 151 and the second bearing 152. This design not only ensures the stable position of the sealing front bracket 15, but also helps to improve the sealing effect, effectively prevent water intrusion, and improve the ability of the propeller to adapt to underwater environments. The setting of the first bearing 143 and the second bearing 152 effectively reduces the friction between the rotor housing 4 and the main bracket 1 and the sealing front bracket 15, reduces the rotation resistance, and improves the efficiency and durability of the propeller.

[0029] The inner diameter connection step 141 is provided with a first sealing groove 144, and the sealing front bracket 15 is provided with a sealing connection ring 153, and the sealing connection ring 153 is provided with a second sealing groove 154. Specifically, the two ends of the waterproof cover 3 are respectively provided with a first sealing convex ring 31 and a second sealing convex ring 32, the first sealing convex ring 31 is used to connect the first sealing groove 144, and the second sealing convex ring 32 is used to connect the second sealing groove 154. In this embodiment, through the design of the first sealing groove 144, the second sealing groove 154 and the corresponding sealing convex ring, an effective sealing connection between the waterproof cover 3 and the main bracket 1 and the sealing front bracket 15 is achieved. This design can effectively prevent water intrusion and improve the reliability and durability of the propeller in an underwater environment. The setting of the sealing connection ring 153 and the sealing convex ring can ensure the tight connection between the two ends of the waterproof cover 3 and the main bracket 1 and the sealing front bracket 15, thereby enhancing the waterproof performance of the propeller when working underwater, which is conducive to the long-term stable operation of the propeller in harsh environments. The design of connecting the sealing convex ring with the sealing groove makes the installation of the waterproof cover 3 simpler and more reliable, and reduces the installation difficulty and time cost.

[0030] The waterproof cover 3 is arranged on the periphery of the main support 1, and a sealed cavity is formed between the waterproof cover 3 and the periphery of the main support 1. The stator winding 2 is arranged in the sealed cavity, and the rotor magnetic tile 5 is located on the outside of the waterproof cover 3 and opposite to the stator winding 2. The waterproof cover 3 is used to separate the rotor magnetic tile 5 from the stator winding 2. In this embodiment, the sealed cavity formed between the waterproof cover 3 and the periphery of the main support 1 is used to effectively isolate the stator winding 2 and the rotor magnetic tile 5. This design helps to protect the stator winding 2 from the external environment, and can prevent the rotor magnetic tile 5 from directly contacting the stator winding 2, thereby improving the stability and safety of the propeller. The rotor magnetic tile 5 is located on the outside of the waterproof cover 3 and opposite to the stator winding 2. This design effectively reduces the friction between the rotor magnetic tile 5 and the stator winding 2, reduces energy loss, and improves the efficiency and durability of the propeller. The provision of the waterproof cover 3 is not only conducive to the protection of the internal components of the propeller, but also helps to reduce the risk of failure that may occur during the operation of the propeller, thereby improving the overall safety and stability of the propeller.

[0031] The inner diameter of the rotor housing 4 is provided with a magnetic tile installation groove 41, and the magnetic tile installation groove 41 is provided with a plurality of magnetic tile installation grooves 41, and the plurality of magnetic tile installation grooves 41 are uniformly distributed along the inner diameter of the rotor housing 4 in the circumferential direction, and a plurality of rotor magnetic tiles 5 are distributed on each magnetic tile installation groove 41. Specifically, an end step 42 is provided at one end of the rotor housing 4, and one end of the end step 42 is connected to the magnetic tile installation groove 41, and the end step 42 is installed with an end cover, and one end of the end cover is used to abut the end of the rotor magnetic tile 5, and the other end is used to install the connecting plate 61. In this embodiment, the magnetic tile installation groove 41 provided on the inner diameter of the rotor housing 4 can ensure that a plurality of rotor magnetic tiles 5 are distributed on each magnetic tile installation groove 41, and are evenly and stably fixed on the rotor housing 4. This design helps to improve the rotational balance and operating stability of the propeller. The design of the end step 42 and the end cover enables the rotor magnetic tile 5 to be firmly connected to the rotor housing 4, and facilitates the installation of the connecting plate 61, simplifies the installation process of the rotor magnetic tile 5, and reduces the installation difficulty and cost. The connection design of the evenly distributed rotor magnetic tiles 5 and the end steps 42 helps to improve the transmission efficiency between the rotor housing 4 and the rotor magnetic tiles 5, thereby improving the working efficiency and performance of the propeller. The stable magnetic tile installation design helps to reduce the risk of magnetic tiles falling off or being damaged, prolong the service life of the magnetic tiles, and reduce maintenance costs.

[0032] An extension ring 612 is provided on one side of the connection disk 61, one end of the extension ring 612 extends toward the through slot 11, and the fan blade 62 is provided at the inner diameter of the extension ring 612. In this embodiment, the provision of the extension ring 612 enables the fan blade 62 to be fixed on the connection disk 61 and extend into the through slot 11, thereby ensuring that the fan blade 62 can fully utilize the water flow for propulsion when the propeller is running. This design helps to improve the propulsion efficiency and performance of the propeller, and also helps to reduce the vibration and noise that may be generated by the propeller during operation.

[0033] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A split outer rotor rim shaftless propeller, characterized in that: It comprises a driving module and a transmission module, wherein the driving module comprises a main support, a stator winding and a waterproof cover; the stator winding is arranged on the main support, the waterproof cover is arranged on the main support and covers the stator winding, the transmission module comprises a rotor housing, a rotor magnetic tile and an impeller, the rotor housing is rotatably connected to the main support and / or the waterproof cover, a plurality of rotor magnetic tiles are arranged and evenly distributed on the inner circumference of the rotor housing, the impeller comprises a connecting disk and a fan blade, a circular hole is arranged at the axis center of the connecting disk, the fan blade is arranged on the circular hole, and the main support is provided with a through groove facing the circular hole; The waterproof cover is arranged on the outer periphery of the main support, and a sealed cavity is formed between the waterproof cover and the outer periphery of the main support, and the stator winding is arranged in the sealed cavity.

2. The split outer rotor rim shaftless propeller according to claim 1, characterized in that: The main bracket includes a stator mounting portion and a sealing connection portion, wherein the stator mounting portion is used to mount the stator winding, and the sealing connection portion is provided with a sealing rear bracket, and the sealing rear bracket is used to fix one end of the waterproof cover on the sealing connection portion.

3. The split outer rotor rim shaftless propeller according to claim 2, characterized in that: The sealed rear bracket is provided with an inner diameter connecting step and an outer diameter connecting step, the inner diameter connecting step is used to connect the sealing connection part, the outer diameter connecting step is provided with a first bearing, and the outer diameter connecting step is rotatably connected to the rotor housing through the first bearing.

4. The split outer rotor rim shaftless propeller according to claim 3, characterized in that: A sealing front bracket is arranged at one end of the main bracket, one end of the sealing front bracket extends into the through groove, and the other end is arranged with a matching step, a second bearing is arranged on the matching step, and the matching step is rotatably connected to the rotor housing through the second bearing.

5. The split outer rotor rim shaftless propeller according to claim 4, characterized in that: The inner diameter connecting step is provided with a first sealing groove, the sealing front bracket is provided with a sealing connecting ring, and the sealing connecting ring is provided with a second sealing groove.

6. The split outer rotor rim shaftless propeller according to claim 5, characterized in that: A first sealing convex ring and a second sealing convex ring are respectively provided at both ends of the waterproof cover, wherein the first sealing convex ring is used to connect to the first sealing groove, and the second sealing convex ring is used to connect to the second sealing groove.

7. The split outer rotor rim shaftless propeller according to claim 1, characterized in that: The rotor magnetic tile is located outside the waterproof cover and opposite to the stator winding. The waterproof cover is used to separate the rotor magnetic tile from the stator winding.

8. The split outer rotor rim shaftless propeller according to claim 1, characterized in that: The inner diameter of the rotor shell is provided with a magnetic shoe installation groove, and a plurality of the magnetic shoe installation grooves are provided. The plurality of magnetic shoe installation grooves are evenly distributed along the inner diameter of the rotor shell in the circumferential direction, and a plurality of rotor magnetic shoes are distributed on each magnetic shoe installation groove.

9. The split outer rotor rim shaftless propeller according to claim 8, characterized in that: An end step is provided at one end of the rotor housing, one end of the end step is connected to the magnetic shoe installation groove, and an end cover is installed on the end step, one end of the end cover is used to abut the end of the rotor magnetic shoe, and the other end is used to install the connecting plate.

10. The split outer rotor rim shaftless propeller according to claim 1, characterized in that: An extension ring is arranged on one side of the connection disk, one end of the extension ring extends toward the through slot, and the fan blade is arranged on the inner diameter of the extension ring.

Images