Rotor assembly of motor with double stators and rotors

Abstract

The utility model discloses a double stator rotor motor rotor assembly comprising a housing and a rotating shaft, the rotating shaft is rotatably connected on the housing, two ends of the rotating shaft respectively penetrate through two sides of the housing, an iron core is installed on the rotating shaft in the housing, the rotating shaft is coaxially provided with a rotating frame in a rotating manner, and the rotating frame is provided with a rotor. An inner rotor main body and an outer rotor piece are respectively arranged on the rotating frame from inside to outside, and a stator is arranged in the shell corresponding to the position between the inner rotor main body and the outer rotor piece; the outer rotor member includes an outer rotor body. The double-stator-rotor motor rotor assembly is reasonable in structural design and convenient to use, after magnets in the rotor are installed, the magnets can be efficiently fixed, loosening or displacement of the magnets caused by long-term use of the motor can be effectively prevented, then the situation that normal use of the motor is affected due to disturbance of magnetic field distribution is avoided, the whole rotor assembly is convenient to assemble and disassemble, and the service life of the motor is prolonged. The practicability and the use effect are better.

Description

TECHNICAL FIELD

[0001] The utility model relates to motor technical field, concretely is a kind of double stator rotor motor rotor assembly. BACKGROUND

[0002] According to the patent literature CN201620975637.7, a "core type double rotor motor" is disclosed. The stator of the motor is provided with end covers at both ends. The shafts at both ends of the asynchronous rotor are fixed to the end covers through bearings. A synchronous rotor is provided between the stator and the asynchronous rotor. The synchronous rotor is fixed to the shaft through a bearing. The synchronous rotor is fixed with magnets. The motor structure can generate power synchronously and run asynchronously. Since the synchronous rotor uses magnetic steel and has two layers with different magnetic field pole numbers, it can adapt to different environmental requirements for motor characteristics.

[0003] In actual use, the patent does not realize the fixation of the magnets on the rotor. After long-term use of the motor, the magnets are prone to looseness, which affects the magnetic field distribution and may cause the motor to malfunction. Therefore, a double stator rotor motor rotor assembly is proposed to solve the problems raised in the background technology. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a double stator rotor motor rotor assembly to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double stator rotor motor rotor assembly, comprising a shell and a shaft, the shaft is rotatably connected to the shell and penetrates through both sides of the shell at both ends, an iron core is installed on the shaft in the shell, a rotating frame is coaxially rotatable on the shaft, an inner rotor body and an outer rotor piece are installed on the rotating frame from inside to outside, and a stator is installed in the shell corresponding to the position between the inner rotor body and the outer rotor piece.

[0006] The outer rotor piece comprises an outer rotor body, a plurality of through installation grooves are equally circumferentially provided on the outer rotor body, a magnet body is arranged in the installation groove, and a locking ring for fixing the magnet body is clamped on the top and bottom of the outer rotor body.

[0007] Further, annular grooves are provided on the top and bottom of the outer rotor body, the annular grooves and the installation grooves are interconnected, and the locking ring is clamped inside the annular groove.

[0008] Further, an inner insert plate and an outer insert plate are integrally formed on the inner and outer surfaces of the locking ring corresponding to the positions between the adjacent two installation grooves, and an insert groove interconnected with the annular groove is provided on the top and bottom of the outer rotor body corresponding to the positions of the inner insert plate and the outer insert plate.

[0009] Further, the circular hole on the outer plate of the relative direction is fixedly connected with a clamping rod by a push spring, the outer rotor body is provided with a locking hole communicated with the insertion slot at the position corresponding to the clamping rod, and the outer rotor body is provided with a communicated unlocking hole at the position corresponding to the locking hole.

[0010] Further, the top and bottom of the shell are fixedly provided with rolling bearings at positions corresponding to the rotating shaft, and the rotating shaft is rotatably connected to the two rolling bearings, so that the rolling bearings can support the rotating shaft, thereby improving the stability of the rotating shaft.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The utility model discloses a double fixed rotor motor rotor assembly, which is reasonable in structure design and convenient to use, can efficiently fix the magnets in the rotor after installation, can effectively prevent the magnets from loosening or shifting due to long-term use of the motor, and can avoid disturbing the magnetic field distribution and affecting the normal use of the motor. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structure sectional view of the utility model;

[0014] Figure 2 It is an explosion view of the three-dimensional structure of the outer rotor part of the utility model;

[0015] Figure 3 It is a local three-dimensional structure schematic view of the outer rotor body of the utility model;

[0016] Figure 4 It is a local top structure sectional view of the locking ring of the utility model.

[0017] In the drawing: 1 shell, 2 rotating shaft, 3 rotating frame, 4 inner rotor body, 5 outer rotor part, 51 outer rotor body, 52 installation slot, 53 magnet body, 54 locking ring, 55 annular groove, 56 inner plate, 57 outer plate, 58 insertion slot, 59 push spring, 510 clamping rod, 6 stator, 7 rolling bearing. DETAILED DESCRIPTION

[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0019] Please refer to Figures 1-4 The application discloses a double-stator-rotor motor rotor assembly, which comprises a shell 1 and a rotating shaft 2, the rotating shaft 2 is rotatably connected to the shell 1 and penetrates through the shell 1 at two ends, an iron core is arranged on the rotating shaft 2 in the shell 1, a rotating frame 3 is coaxially arranged on the rotating shaft 2, an inner rotor main body 4 and an outer rotor piece 5 are arranged on the rotating frame 3 from inside to outside, and a stator 6 is arranged in the shell 1 and corresponds to the position between the inner rotor main body 4 and the outer rotor piece 5.

[0020] The outer rotor piece 5 comprises an outer rotor main body 51, a plurality of through installation grooves 52 are equidistantly and circumferentially arranged on the outer rotor main body 51, a magnet body 53 is arranged in the installation groove 52, locking rings 54 for fixing the magnet body 53 are arranged on the top and the bottom of the outer rotor main body 51, the magnet body 53 is tightly pressed from both ends by the locking ring 54, and thus the magnet body 53 is prevented from loosening or moving after the motor is used for a long time.

[0021] Specifically, annular grooves 55 are arranged on the top and the bottom of the outer rotor main body 51, the annular grooves 55 are in communication with the installation grooves 52, and the locking ring 54 is clamped in the annular groove 55.

[0022] Specifically, the inner and outer surfaces of the locking ring 54 are integrally formed with an inner insertion plate 56 and an outer insertion plate 57 at positions corresponding to the positions between the adjacent two installation grooves 52, the top and the bottom of the outer rotor main body 51 are provided with insertion grooves 58 in communication with the annular grooves 55 at positions corresponding to the positions of the inner insertion plate 56 and the outer insertion plate 57, and the insertion grooves 58 are in interference fit with the inner insertion plate 56 and the outer insertion plate 57, so that the stability of the locking ring 54 can be ensured and the locking ring 54 is not easy to be pulled out.

[0023] Specifically, the round holes on the outer insertion plates 57 of one group of opposite directions are fixedly connected with clamping rods 510 through the thrust springs 59, the outer rotor main body 51 is provided with locking holes in communication with the insertion grooves 58 at positions corresponding to the positions of the clamping rods 510, the outer rotor main body 51 is provided with unlocking holes in communication with the locking holes at positions corresponding to the positions of the locking holes on the outer side, the two clamping rods 510 are pressed inward before the locking ring 54 is installed, and the clamping rods 510 are completely inserted into the annular grooves 55, and then the clamping rods 510 are clamped into the locking holes under the action of the thrust springs 59, so that the installation strength of the locking ring 54 is further improved, and the locking ring 54 can be inserted into the unlocking holes by means of a thin needle or other tools, and the clamping rods 510 are pressed inward, so that the locking ring 54 is conveniently removed.

[0024] Specifically, the top and bottom of the shell 1 are fixedly installed with rolling bearings 7 corresponding to the positions of the rotating shaft 2, the rotating shaft 2 is rotatably connected to the two rolling bearings 7, the rolling bearings 7 can support the rotating shaft 2, thereby improving the stability during rotation.

[0025] The double-stator motor rotor assembly has reasonable structure design and is convenient to use, can realize efficient fixation of the inner magnet of the rotor after installation, can effectively prevent the magnet from loosening or shifting due to long-term use of the motor, thereby avoiding disturbance of the magnetic field distribution and affecting the normal use of the motor, the overall rotor assembly is convenient to assemble and disassemble, has good practicality and use effect.

[0026] In use, after the magnet body 53 is fixed in the installation slot 52, the locking ring 54 for fixing the magnet body 53 is inserted into the annular slot 55, and the inner insertion plate 56 and the outer insertion plate 57 are inserted into the corresponding insertion slots 58, so that the locking ring 54 is prevented from falling off, and the two clamping rods 510 are pressed inward before the locking ring 54 is installed, until the clamping rods 510 are completely inserted into the annular slot 55, and the clamping rods 510 are clamped into the locking holes under the action of the thrust spring 59, thereby further improving the installation strength of the locking ring 54, and the two locking rings 54 can be used to fix the magnet body 53 from both ends, so that the magnet body is not loosened or shifted.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A dual stator motor rotor assembly comprising a housing (1) and a rotor shaft (2), characterized in that: The rotating shaft (2) is rotatably connected to the shell (1) and penetrates through the shell (1) on both sides, the rotating shaft (2) in the shell (1) is provided with an iron core, the rotating shaft (2) is coaxially rotatably provided with a rotating frame (3), the rotating frame (3) is provided with an inner rotor body (4) and an outer rotor (5) from inside to outside, and the shell (1) is provided with a stator (6) corresponding to the position between the inner rotor body (4) and the outer rotor (5). The outer rotor (5) comprises an outer rotor body (51), a plurality of through installation grooves (52) are equidistantly and circumferentially formed in the outer rotor body (51), and a magnet body (53) is arranged in the installation groove (52).

2. A dual stator motor rotor assembly according to claim 1, characterized in that: The top and bottom of the outer rotor body (51) are provided with annular grooves (55), the annular grooves (55) and the installation grooves (52) are in communication, and the locking ring (54) is clamped in the annular groove (55).

3. A dual stator motor rotor assembly according to claim 2, characterized in that: The inner and outer surfaces of the locking ring (54) are integrally formed with an inner insertion plate (56) and an outer insertion plate (57) corresponding to the positions between the adjacent two installation grooves (52), and the top and bottom of the outer rotor body (51) are provided with insertion grooves (58) in communication with the annular grooves (55) corresponding to the positions of the inner insertion plate (56) and the outer insertion plate (57).

4. A dual stator motor rotor assembly according to claim 3, wherein: The circular holes on one group of opposite direction outer insertion plates (57) are fixedly connected with clamping rods (510) through push springs (59), the outer rotor body (51) is provided with locking holes in communication with the insertion grooves (58) corresponding to the positions of the clamping rods (510), and the outer side of the outer rotor body (51) is provided with communication unlocking holes corresponding to the positions of the locking holes.

5. A dual stator motor rotor assembly according to claim 4, wherein: The top and bottom of the shell (1) are provided with rolling bearings (7) corresponding to the positions of the rotating shaft (2), The rotating shaft (2) is rotatably connected to the two rolling bearings (7). ​

Images