High-speed fan driving motor structure

Abstract

The application relates to the technical field of motor structures, in particular to a high-speed fan driving motor structure which comprises a casing, an end cover arranged at the end of the casing, a rotor structure and a stator structure arranged in the casing, and an output shaft arranged in the middle of the casing and connected with the rotor structure; the position of the rotor structure and the stator structure is exchanged, so that the rotor structure is arranged outside the stator structure, the rotor structure is arranged at the position farthest from the output shaft in the motor, the rotor structure can provide greater torque for the output shaft under the condition that the stator structure provides constant force for the rotor structure, the output torque value of the motor is improved, the structure of the barrel is used, one end of the barrel is connected with the output shaft, the other end of the barrel is provided with an opening position which can provide mounting space for the connection between the stator structure and the casing, so that the stator structure is conveniently supported, and the assembly of the overall motor structure is facilitated.

Description

Technical Field

[0001] This invention relates to the technical field of motor structure, and in particular to a high-speed fan drive motor structure. Background Technology

[0002] As core equipment in fields such as industrial ventilation, aerospace, and energy and chemical engineering, the performance of high-speed fans directly depends on the technical level of the drive motor. Currently, high-speed fans generally use traditional rotating motors for drive. In traditional motors, the rotor is located inside the stator. In this structure, the rotor is confined to the center position inside the motor and is driven to rotate by the magnetic field generated by the stator windings. This internal rotor structure has an inherent physical defect: because the rotor is confined within the stator cavity, its rotation radius is small, resulting in a small output torque of the motor. In order to meet the requirements of high-load start-up and high-efficiency operation of the fan, it is often necessary to use high-power motors or multiple sets of motors working together. This not only increases the cost but also increases the complexity of the system. Summary of the Invention

[0003] This invention provides a high-speed fan drive motor structure that can effectively solve the problems in the background art.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0005] A high-speed fan drive motor structure includes a housing and a rotor structure, a stator structure, and an output shaft disposed therein. The rotor structure is disposed on the outer ring of the stator structure and is fixedly connected to the output shaft.

[0006] The rotor structure includes a barrel and a plurality of rotor bodies disposed on its inner wall. The stator structure includes a support cylinder and a plurality of stator bodies disposed thereon. The support cylinder is coaxially arranged with the barrel and located inside it. The output shaft is coaxially arranged with the support cylinder and fixedly connected to the barrel.

[0007] Furthermore, a front cover and a rear cover are respectively provided at both ends of the housing, and both ends of the output shaft pass through the front cover and the rear cover and are rotatably connected to them;

[0008] A sleeve is fitted onto the output shaft, and multiple rotor bodies are provided on the sleeve corresponding to the rotor body one. The output shaft is fixedly connected to the bottom of the barrel through the sleeve, and the opening end of the barrel faces the rear cover.

[0009] Furthermore, a first magnetic uniform sleeve is coaxially arranged inside the barrel, and the first magnetic uniform sleeve is fixedly connected to the barrel body through a plurality of rotor bodies.

[0010] A second magnetic equalizing sleeve is coaxially arranged on the outside of the sleeve. The second magnetic equalizing sleeve is fixedly connected to the sleeve through a plurality of rotor bodies. The support cylinder is located between the first magnetic equalizing sleeve and the second magnetic equalizing sleeve.

[0011] Furthermore, multiple stators are arranged circumferentially along the support cylinder, and adjacent stators are respectively disposed on the outer wall and inner wall of the support cylinder.

[0012] Furthermore, the support cylinder is rotatably connected to the rear cover via a transmission ring at its end. A transmission wheel is provided on the rear cover corresponding to the transmission ring, and a rotating wheel is sleeved on the output shaft. The rotating wheel drives the transmission ring to rotate via the transmission wheel, and multiple transmission wheels are provided along the circumference of the transmission ring.

[0013] Furthermore, a first annular cavity is formed between the support cylinder and the sleeve, and a second annular cavity is formed between the barrel and the support cylinder. The first annular cavity and the second annular cavity are connected to form a flow channel with a U-shaped cross-section.

[0014] An air intake channel is provided along the axial direction at one end of the output shaft extending out of the front cover, and a vent hole is provided on the side wall of the output shaft. The air intake channel is connected to the first annular cavity through the vent hole. Multiple air guide ports are provided circumferentially on the rear cover located on the outer ring of the support cylinder. The air guide ports are connected to the second annular cavity.

[0015] Multiple tail blades are arranged circumferentially at one end of the output shaft that extends out of the rear cover, and a tail cover is provided on the housing corresponding to the tail blades, with multiple mesh openings on the tail cover.

[0016] Furthermore, a sealing plate is provided at one end of the barrel near the rear cover corresponding to the air inlet, and the sealing plate is connected to the guide seat on the barrel through an elastic body;

[0017] The guide seat is arranged radially along the barrel body and inclined toward the rear cover. The sealing plate slides obliquely along the guide seat via a slider on it. The slider is configured as a wedge-shaped structure corresponding to the guide seat.

[0018] Furthermore, a plurality of first fan plates are provided on the inner wall of the first magnetic equalizing sleeve along the spiral direction, and a plurality of second fan plates are provided on the outer wall of the second magnetic equalizing sleeve along the spiral direction, wherein the spiral directions of the plurality of first fan plates and the plurality of second fan plates are opposite.

[0019] An installation sleeve is provided inside the air intake channel, and a spiral blade is provided inside the installation sleeve.

[0020] Furthermore, the rotor body one and the rotor body two are configured as a structure in which windings and permanent magnets cooperate, or as a structure in which two windings cooperate;

[0021] The rotor body has a winding structure on which the winding axis of the conductor is perpendicular to and intersects with the axis of the output shaft.

[0022] Furthermore, a support ring is provided on the inner wall of the housing corresponding to the barrel body, and a rolling element is provided inside the support ring. The rolling element is rotatably connected to the support ring, and multiple rolling elements are provided around it.

[0023] A ring groove is formed on the outer wall of the barrel corresponding to the support ring. Multiple support rings and ring grooves are provided. The barrel body is rotatably connected to the support ring through the rolling element.

[0024] The beneficial effects of this invention are as follows:

[0025] This invention employs a method of swapping the positions of the rotor and stator structures, placing the rotor structure outside the stator structure. This positions the rotor structure at the location furthest from the output shaft within the motor. With the stator structure providing a constant force to the rotor structure, the rotor structure can provide greater torque to the output shaft, thus increasing the motor's output torque. The rotor structure uses a barrel-like design, allowing one end to connect to the output shaft, while the open end provides installation space for connecting the stator structure to the housing. This facilitates support for the stator structure and streamlines the assembly of the overall motor structure. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the high-speed fan drive motor structure in this invention;

[0028] Figure 2 This is a cross-sectional view of the high-speed fan drive motor structure in this invention;

[0029] Figure 3 This is an exploded view of the high-speed fan drive motor structure in this invention;

[0030] Figure 4 This is a schematic diagram of the stator structure in this invention;

[0031] Figure 5 This is a schematic diagram of the rotor structure in this invention;

[0032] Figure 6 This is a schematic diagram of the barrel structure in this invention;

[0033] Figure 7 This is a schematic diagram of the support ring structure in this invention;

[0034] Figure 8 This is a schematic diagram of the sealing plate in this invention.

[0035] Reference numerals: 1. Housing; 11. Front cover; 12. Rear cover; 121. Drive wheel; 122. Air vent; 13. Tail cover; 131. Mesh; 14. Support ring; 141. Rolling element; 2. Rotor structure; 21. Barrel; 211. Sealing plate; 212. Elastic body; 213. Guide seat; 214. Slider; 215. Annular groove; 22. Rotor body one; 23. First magnetic equalizing sleeve; 231. First sector plate; 3. Stator structure; 31. Support cylinder; 311. Drive ring; 32. Stator body; 4. Output shaft; 41. Sleeve; 42. Rotor body two; 43. Second magnetic equalizing sleeve; 431. Second sector plate; 44. Rotary wheel; 45. Air inlet channel; 46. Vent hole; 47. Tail blade; 48. Mounting sleeve; 481. Spiral blade; 51. First annular cavity; 52. Second annular cavity. Detailed Implementation

[0036] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments.

[0037] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0039] This invention discloses a high-speed fan drive motor structure, such as... Figures 1 to 5As shown, the device includes a housing 1 and a rotor structure 2, a stator structure 3, and an output shaft 4 disposed therein. The rotor structure 2 is disposed on the outer ring of the stator structure 3 and is fixedly connected to the output shaft 4. The rotor structure 2 includes a barrel 21 and a plurality of rotor bodies 22 disposed on its inner wall. The stator structure 3 includes a support cylinder 31 and a plurality of stator bodies 32 disposed thereon. The support cylinder 31 is coaxially disposed with the barrel 21 and located inside it. The output shaft 4 is coaxially disposed with the support cylinder 31 and is fixedly connected to the barrel 21.

[0040] In this invention, the output shaft 4 is used to connect with the external fan blades; the barrel 21 is coaxial with the output shaft 4 and its opening faces the tail of the motor. The bottom of the barrel 21 near the front cover 11 is fixedly connected to the output shaft 4, thereby enabling several rotor bodies 22 on the barrel 21 to be connected to the output shaft 4; the barrel 21 and the output shaft 4 are combined to form an annular space, which is used to place the stator structure 3, thereby forming a rotor-encased stator structure. The opening of the barrel 21 can be used to provide installation space for the interconnection between the stator structure 3 and the housing 1, avoiding the structural drawback that the stator structure 3 is completely located inside the barrel 21 when the opening of the barrel 21 is directly blocked, which would prevent the stator structure 3 from being effectively supported.

[0041] In the specific implementation process, when the motor is powered on, the rotor body 22 and the stator body 32 will generate an interaction force around the circumference of the output shaft 4. Since the stator body 32 is connected to the rear cover 12 of the housing 1 through the support cylinder 31, the force exerted by the stator body 32 on the rotor body 22 will drive the cylinder 21 and the output shaft 4 to rotate, thereby starting the motor and driving the external fan blades to rotate. Since multiple rotor bodies 22 enclose the stator structure 3, the position of the force exerted on the rotor body 22 is the position furthest from the axis of the output shaft 4 inside the motor, ensuring that the rotor body 22 provides the maximum torque to the output shaft 4, thereby increasing the output torque of the output shaft 4.

[0042] Compared to the stator and rotor structure 2 in a traditional motor, this invention swaps the positions of the rotor structure 2 and the stator structure 3, placing the rotor structure 2 outside the stator structure 3. This positions the rotor structure 2 at the location furthest from the output shaft 4 within the motor. Thus, while the stator structure 3 provides a constant force to the rotor structure 2, the rotor structure 2 can provide a greater torque to the output shaft 4, increasing the motor's output torque. The barrel 21's structure allows one end to connect to the output shaft 4, while its other open end provides installation space for connecting the stator structure 3 to the housing 1. This facilitates the housing 1's support of the stator structure 3 and the assembly of the overall motor structure.

[0043] As a preferred embodiment of the above, rotor body 22 and rotor body 42 are configured with a structure in which windings and permanent magnets cooperate, or are configured with a structure in which two windings cooperate.

[0044] When the rotor body 22 is a wire-wound winding, the stator body 32 can also be a wire-wound winding or a permanent magnet structure. When the rotor body 22 is a permanent magnet structure, the stator body 32 is a wire-wound winding. This allows the rotor body 22 and the stator body 32 to be used together, making the structure of the rotor structure 2 wrapping the stator structure 3 applicable to most motors and improving applicability.

[0045] Furthermore, such as Figure 6 As shown, the winding structure of the rotor body 22 has a wire winding axis that is perpendicular to and intersects the axis of the output shaft 4.

[0046] By setting the winding axis of the wires on rotor body 22, the direction of the magnetic field generated by rotor body 22 can be limited. This ensures that the direction of the magnetic field generated on the end face of rotor body 22 facing the output shaft 4 is along the radial direction of the output shaft 4. This allows the force between rotor body 22 and stator body 32 to be along the circumferential tangent of the output shaft 4, improving the effectiveness of force transmission and preventing a smaller force on rotor body 22 along the rotational direction of the output shaft 4 when the force direction is tilted. The above method only limits the direction of the magnetic field lines near the end face of rotor body 22, while leaving the magnetic field lines away from the end face of rotor body 22 unrestricted. During relative motion between rotor body 22 and stator body 32, the end faces of stator body 32 approach each other.

[0047] In this embodiment, as Figure 2 and Figure 6 As shown, a front cover 11 and a rear cover 12 are respectively provided at both ends of the housing 1. The two ends of the output shaft 4 pass through the front cover 11 and the rear cover 12 respectively and are rotatably connected to them. A sleeve 41 is sleeved on the output shaft 4. Multiple rotor bodies 22 are provided on the sleeve 41 corresponding to the rotor body 1 22. The output shaft 4 is fixedly connected to the bottom of the barrel 21 through the sleeve 41. The open end of the barrel 21 faces the rear cover 12.

[0048] The sleeve 41 is inserted and fixed in the middle of the barrel 21. The output shaft 4 passes through the sleeve 41 and is connected together by bolts, snap-fit, welding and other means. Multiple rotor bodies 42 are distributed around the sleeve 41. The winding direction of the wires on the rotor bodies 42 is the same as the winding direction of the wires on the rotor bodies 22. This allows the rotor bodies 42 and rotor bodies 22 to work together. That is, a stable magnetic field perpendicular to the output shaft 4 can be generated between the rotor bodies 22 and the rotor bodies 42. This realizes the sorting of magnetic field lines and avoids the random scattering of magnetic field lines when they are far away from the end of the rotor bodies 22, which would cause magnetic field disorder.

[0049] The rotor body 22 and barrel 21, together with the sleeve 41 and rotor body 42, can form a structure similar to a traditional U-shaped magnet. The magnetic field lines between rotor body 22 and rotor body 42 are the external magnetic field lines of the magnet, and these magnetic field lines are perpendicular to the output shaft 4. The magnetic field lines inside the magnet are transported through the barrel 21 and the sleeve 41, making the magnetic field on the rotor structure 2 more stable.

[0050] As a preferred embodiment of the above, such as Figure 6 As shown, a first magnetic uniform sleeve 23 is coaxially arranged inside the barrel 21 and is fixedly connected to the barrel 21 through multiple rotor bodies 22; a second magnetic uniform sleeve 43 is coaxially arranged outside the sleeve 41 and is fixedly connected to the sleeve 41 through multiple rotor bodies 42; and a support cylinder 31 is located between the first magnetic uniform sleeve 23 and the second magnetic uniform sleeve 43.

[0051] The magnetic forces on rotor body 22 and rotor body 42 are respectively transmitted to the first magnetic equalizing sleeve 23 and the second magnetic equalizing sleeve 43. This allows the magnetic field between the two magnetic equalizing sleeves to be evenly distributed in the circumferential direction of the output shaft 4, and the magnetic field lines to be along the radial direction of the output shaft 4. When the rotor structure 2 rotates to any angle, the magnitude of the force on the rotor structure 2 remains constant. This improves the uniformity of the force on the rotor structure 2 and ensures that the rotor structure 2 can be subjected to force in the circumferential direction of the output shaft 4. This improves the stability of the output torque of the output shaft 4 and avoids the disadvantage of unstable force on the rotor structure 2 when the stator body 32 is located between two adjacent rotor bodies 22 and when the stator body 32 is aligned with the rotor body 22.

[0052] In this embodiment, as Figure 4 As shown, in order to increase the interaction force between the rotor structure 2 and the stator structure 3, the arrangement of the stator body 32 is set. Specifically, multiple stator bodies 32 are arranged circumferentially along the support cylinder 31, and adjacent stator bodies 32 are respectively set on the outer wall and inner wall of the support cylinder 31.

[0053] By adopting the above-mentioned stator body 32 arrangement method, the support cylinder 31 is fully utilized, and the number of stator bodies 32 is increased. In some embodiments, since the magnetic field between the two uniform magnetic sleeves will pass through the support cylinder 31 and act on all the stator bodies 32, in order to avoid the support cylinder 31 from interfering with the magnetic field, the support cylinder 31 can be made of high-strength, non-metallic materials, such as carbon fiber composite materials.

[0054] In this embodiment, as Figures 5 to 7As shown, a support ring 14 is provided on the inner wall of the housing 1 corresponding to the barrel 21. A rolling element 141 is provided on the inner side of the support ring 14. The rolling element 141 is rotatably connected to the support ring 14 and multiple of them are provided in the circumference. A ring groove 215 is provided on the outer wall of the barrel 21 corresponding to the support ring 14. Multiple support rings 14 and ring grooves 215 are provided. The barrel 21 is rotatably connected to the support ring 14 through the rolling element 141.

[0055] Multiple support rings 14 and multiple ring grooves 215 are used in conjunction with each other. The rolling element 141 slides on the bottom of the ring groove 215, so that the barrel 21 can rotate with low friction on the multiple support rings 14, and the position of the barrel 21 is restricted.

[0056] As a preferred embodiment of the above, such as Figures 4 to 5 As shown, the support cylinder 31 is rotatably connected to the rear cover 12 via a transmission ring 311 at its end. A transmission wheel 121 is provided on the rear cover 12 corresponding to the transmission ring 311. A rotating wheel 44 is sleeved on the output shaft 4. The rotating wheel 44 drives the transmission ring 311 to rotate via the transmission wheel 121. Multiple transmission wheels 121 are provided around the circumference of the transmission ring 311.

[0057] When the stator structure 3 provides force to the rotor structure 2 and drives the rotor structure 2 to rotate, the stator structure 3 is also subjected to a reaction force. If the stator structure 3 is fixedly connected to the housing 1, the reaction force of the stator structure 3 will be transmitted to the housing 1, and the force will not be effectively utilized. To solve this problem, the above-mentioned structural method can be used, that is, the reaction force of the rotor structure 2 on the stator structure 3 will drive the stator structure 3 to rotate. The stator structure 3 transmits the force to the output shaft 4 through the support cylinder 31, the transmission ring 311 and the transmission wheel 121, thereby enabling both the rotor structure 2 and the stator structure 3 to drive the output shaft 4.

[0058] In this embodiment, as Figures 3 to 6 As shown, a first annular cavity 51 is formed between the support cylinder 31 and the sleeve 41, and a second annular cavity 52 is formed between the barrel 21 and the support cylinder 31. The first annular cavity 51 and the second annular cavity 52 are connected and form a flow channel with a U-shaped cross section. An air intake channel 45 is provided along its axial direction at one end of the output shaft 4 that extends out of the front cover 11, and a vent hole 46 is provided on the side wall of the output shaft 4. The air intake channel 45 is connected to the first annular cavity 51 through the vent hole 46. Multiple air guide ports 122 are provided circumferentially on the rear cover 12 located on the outer ring of the support cylinder 31. The air guide ports 122 are connected to the second annular cavity 52. ​​Multiple tail blades 47 are provided circumferentially at one end of the output shaft 4 that extends out of the rear cover 12. A tail cover 13 is provided on the housing 1 corresponding to the tail blades 47, and multiple mesh holes 131 are provided on the tail cover 13.

[0059] Secondly, a plurality of first fan plates 231 are arranged in a spiral direction on the inner wall of the first magnetic equalizing sleeve 23, and a plurality of second fan plates 431 are arranged in a spiral direction on the outer wall of the second magnetic equalizing sleeve 43. The spiral directions of the plurality of first fan plates 231 and the plurality of second fan plates 431 are opposite. An mounting sleeve 48 is provided in the air intake channel 45, and a spiral blade 481 is provided in the mounting sleeve 48.

[0060] Since the support cylinder 31 is located between the two magnetic equalizing sleeves, a transverse channel, namely the first annular cavity 51, can be formed between the support cylinder 31 and its first magnetic equalizing sleeve 23; a vertical channel is formed between the end of the support cylinder 31 and the bottom of the barrel 21, and another transverse channel, namely the second annular cavity 52, is formed between the support cylinder 31 and its outer second magnetic equalizing sleeve 43; the two transverse channels are connected by a vertical channel. For example, taking the cross-sectional structure on one side of the output shaft 4 as an example, a horizontally opening U-shaped channel is formed between the two magnetic equalizing sleeves and the support cylinder 31. One end of this U-shaped channel is connected to the vent 46, and the other end is connected to the air guide port 122; during rotation... When substructure 2 rotates, multiple fan blades on the two magnetic sleeves rotate synchronously. The multiple fan blades push the air between rotor structure 2 and stator structure 3 along the U-shaped channel trajectory. A low-pressure area is formed near the vent 46 due to the reduction of air. This low-pressure area will draw in air from the external fan through the vent 46 and the air intake channel 45. The drawn-in air is then guided into the tail cover 13 through the U-shaped channel and the air guide port 122. The rotating output shaft 4 and its multiple tail blades 47 push the air in the tail cover 13 out through the mesh 131, thereby forming a stable air path inside the motor, which facilitates continuous cooling of the motor interior using air.

[0061] Furthermore, when the output shaft 4 rotates, the mounting sleeve 48 and the spiral blade 481 inside the output shaft 4 will rotate synchronously. The spiral blade 481 will assist in pushing air through the intake channel 45 into the housing 1, thereby increasing the cooling effect.

[0062] In some embodiments, the air discharged through the mesh 131, due to its pressure, can also be used as the output airflow of the fan.

[0063] In this embodiment, see Figure 8 As shown, a sealing plate 211 is provided at one end of the barrel 21 near the rear cover 12, corresponding to the air inlet 122. The sealing plate 211 is connected to the guide seat 213 on the barrel 21 through an elastic body 212. The guide seat 213 is arranged radially along the barrel 21 and inclined toward the rear cover 12. The sealing plate 211 slides obliquely along the guide seat 213 through a slider 214 on it. The slider 214 is set as a wedge structure corresponding to the guide seat 213.

[0064] When the rotor structure 2 rotates, the barrel 21 will drive the sealing plate 211, slider 214 and guide seat 213 to rotate synchronously. Due to the centrifugal force, the sealing plate 211 and slider 214 will move away from the output shaft 4. Since the slider 214 and guide seat 213 slide relative to each other, the sealing plate 211 will also move away from the air inlet 122. At this time, the sealing plate 211 stops blocking the air inlet 122. That is, when the motor is running, the sealing plate 211 will automatically open. When the motor stops running, the elastic body 212 can be used to make the sealing plate 211 automatically close the air inlet 122, thereby preventing external impurities from entering the motor.

[0065] Those skilled in the art should understand that this invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to this invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A high speed fan drive motor structure, characterized by, The application relates to a motor, which comprises a casing, a rotor structure arranged in the casing, a stator structure and an output shaft. The rotor structure comprises a barrel and a plurality of rotor bodies arranged on the inner wall of the barrel. The stator structure comprises a supporting cylinder coaxially arranged on the inner side of the barrel and a plurality of stator bodies arranged on the supporting cylinder. The output shaft is coaxially arranged on the supporting cylinder and fixedly connected with the barrel. The output shaft is rotatably connected with the front cover and the rear cover. A sleeve is arranged on the output shaft. A plurality of rotor bodies II are arranged on the sleeve corresponding to the rotor bodies I. The barrel is fixedly connected with the sleeve through the rotor bodies II. A first magnetic uniform sleeve is coaxially arranged on the inner side of the barrel. A second magnetic uniform sleeve is coaxially arranged on the outer side of the sleeve. The first ring cavity and the second ring cavity are connected and form a U-shaped flow channel. An air inlet channel is arranged on the output shaft. A plurality of air guide holes are arranged on the rear cover.

2. The high speed fan drive motor structure according to claim 1, wherein A plurality of tail leaves are arranged on the output shaft.

3. The high speed fan drive motor structure according to claim 2, wherein A tail cover is arranged on the casing corresponding to the tail leaves. An elastic body is arranged on the barrel corresponding to the air guide holes. The guiding seat is radially arranged on the barrel and inclined towards the rear cover. The sliding block is wedge-shaped. A plurality of first fan plates are arranged on the inner wall of the first magnetic uniform sleeve. A plurality of second fan plates are arranged on the outer wall of the second magnetic uniform sleeve. The rotating directions of the first fan plates and the second fan plates are opposite. A mounting sleeve is arranged in the air inlet channel. A plurality of spiral leaves are arranged in the mounting sleeve. The stator bodies are arranged on the outer wall and the inner wall of the supporting cylinder. The supporting cylinder is rotatably connected with the rear cover through a transmission ring arranged on the end of the supporting cylinder. A transmission wheel is arranged on the rear cover corresponding to the transmission ring. A rotating wheel is arranged on the output shaft. The rotating wheel is driven to rotate by the transmission wheel.

4. The high speed fan drive motor structure of claim 1, wherein The rotor body one and the rotor body two are arranged in a structure matched with windings and permanent magnets, or a structure matched with two windings; The winding structure of the rotor body one is arranged with a wire winding axis perpendicular to and intersecting with the axis of the output shaft.

5. The high speed fan drive motor structure according to claim 1, wherein A support ring is arranged on the inner wall of the shell corresponding to the barrel body, a rolling body is arranged inside the support ring, the rolling body is rotationally connected with the support ring, and a plurality of rolling bodies are arranged in the circumferential direction of the rolling body; A ring groove is formed on the outer wall of the barrel body corresponding to the support ring, the support ring and the ring groove are both arranged with a plurality of ring grooves, and the barrel body is rotationally connected with the support ring through the rolling body.

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