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CN-224233466-U - Motor with integral shell

CN224233466UCN 224233466 UCN224233466 UCN 224233466UCN-224233466-U

Abstract

The utility model relates to the technical field of motors and discloses a motor with an integrated shell, which comprises a shell, wherein a heat dissipation hole is formed in the lower surface of the shell, a movable shaft sleeve is rotatably clamped in the center of the inner surface of the shell, a rotating shaft is fixedly connected to the inner wall of the movable shaft sleeve, a rotor assembly is arranged between the inner wall of the shell and the outer wall of the rotating shaft, the rotor assembly comprises an impeller, the inner wall of the impeller is fixedly sleeved on the outer side of the rotating shaft, a rotor core frame is fixedly connected to the outer side of the impeller, and an installation groove is formed in the upper surface of the rotor core frame. According to the utility model, the rotor assembly is adopted, the positioning clamping groove of the mounting groove is in clearance fit with the positioning clamping column of the permanent magnet, so that the rotor core frame and the permanent magnet can be conveniently assembled and overhauled and disassembled subsequently, meanwhile, the symmetrical positioning clamping columns balance the stress of the permanent magnet, limit the radial displacement of the permanent magnet, avoid looseness caused by centrifugal force during rotation, enhance the connection strength and positioning precision, and meet the high-rotation-speed requirement of a motor.

Inventors

  • ZHANG SHIHONG

Assignees

  • 丽水泰荣电机有限公司

Dates

Publication Date
20260512
Application Date
20250609

Claims (8)

  1. 1. The motor with the integrated shell comprises a shell body (1) and is characterized in that a heat dissipation hole (2) is formed in the lower surface of the shell body (1), a movable shaft sleeve (3) is rotatably clamped at the center of the inner surface of the shell body (1), a rotating shaft (4) is fixedly connected to the inner wall of the movable shaft sleeve (3), and a rotor assembly (5) is arranged between the inner wall of the shell body (1) and the outer wall of the rotating shaft (4); The rotor assembly (5) comprises an impeller (51), the outer side of a rotating shaft (4) is fixedly sleeved with the inner wall of the impeller (51), a rotor core frame (52) is fixedly connected with the outer side of the impeller (51), an installation groove (53) is formed in the upper surface of the rotor core frame (52), a positioning clamping groove (54) is formed in the inner wall of the installation groove (53), a permanent magnet (55) is movably clamped in the inner wall of the installation groove (53), a fixed shaft sleeve (6) is sleeved between the outer side of the rotating shaft (4) and the inner side of the rotor core frame (52), a top cover (7) is fixedly connected with the top cover (6), an upper bearing (9) is fixedly clamped on the upper surface of the top cover (7), a stator winding (10) is sleeved on the outer periphery of the fixed shaft sleeve (6), and a lower bearing (11) is fixedly clamped on the lower surface of the stator winding (10).
  2. 2. The motor with the integrated housing according to claim 1, wherein two positioning clamping grooves (54) are arranged in total, and the two positioning clamping grooves (54) are arranged in a mirror image mode along the central axis of the mounting groove (53).
  3. 3. The motor with the integrated housing according to claim 1, wherein the outer wall of the permanent magnet (55) is fixedly connected with a positioning clamping column (56), and the outer wall of the positioning clamping column (56) is movably clamped with the inner wall of the positioning clamping groove (54).
  4. 4. A motor with an integrated housing as set forth in claim 3, wherein said plurality of detent studs (56) are provided in total, and wherein said detent studs (56) are mirror images of each other along a central axis of said permanent magnet (55).
  5. 5. The motor with the integrated shell according to claim 1, wherein the upper surface of the top cover (7) is provided with mounting screw holes (8), and the mounting screw holes (8) are distributed in an annular equidistant manner along the upper surface of the top cover (7).
  6. 6. The motor with the integrated shell according to claim 1, wherein a mounting through hole is formed between the top cover (7) and the fixed shaft sleeve (6), and the inner wall of the mounting through hole is matched with the outer wall of the rotating shaft (4) in size.
  7. 7. The motor with the integrated shell according to claim 1, wherein the inner walls of the upper bearing (9) and the lower bearing (11) are connected to the outer wall of the rotating shaft (4) in a fitting manner.
  8. 8. An electric machine with an integrated housing according to claim 1, characterized in that the upper surface of the stator winding (10) is fixedly connected with a control connection (12).

Description

Motor with integral shell Technical Field The utility model relates to the technical field of motors, in particular to a motor with an integrated shell. Background An electric motor refers to an electromagnetic device 12 that converts or transfers electrical energy according to the law of electromagnetic induction. The motor is divided into a motor, which is mainly used to convert electric energy into mechanical energy to generate a driving torque, and a generator, which is mainly used to convert mechanical energy into electric energy as a power source for electric appliances or various machines. Motors are usually composed of core components such as stators, rotors, shells, bearings, shafts, windings, end covers and the like, and the structures of different types of motors such as direct current motors, alternating current motors, stepping motors and the like are slightly different, but the basic composition principles are similar. The motor in the prior art realizes the conversion of electric energy and mechanical energy, but the spliced shell of the motor is easy to generate gaps, has running separation risks and lower heat dissipation efficiency, and meanwhile, the permanent magnet mounting structure of the rotor assembly is insufficient in stability and poor in positioning accuracy, so that the protection level and the service life of the motor are influenced, and the motor is inconvenient to use. Disclosure of utility model In order to make up for the defects, the utility model provides a motor with an integrated shell, and aims to solve the problems that in the prior art, a spliced shell is easy to generate gaps, running separation risks exist, heat dissipation efficiency is low, meanwhile, the permanent magnet mounting structure of a rotor assembly is insufficient in stability and poor in positioning precision, and therefore the protection level and the service life of the motor are affected. In order to achieve the aim, the motor with the integrated shell comprises a shell, wherein the lower surface of the shell is provided with a heat dissipation hole, the center of the inner surface of the shell is rotatably clamped with a movable shaft sleeve, the inner wall of the movable shaft sleeve is fixedly connected with a rotating shaft, and a rotor assembly is arranged between the inner wall of the shell and the outer wall of the rotating shaft; the rotor assembly comprises an impeller, the outside of pivot is located to the fixed cover of inner wall of impeller, the outside fixedly connected with rotor core frame of impeller, mounting groove has been seted up to rotor core frame's upper surface, positioning slot has been seted up to mounting groove's inner wall, mounting groove's inner wall activity joint has the permanent magnet, the cover is equipped with fixed axle sleeve between the inboard of pivot outside and rotor core frame, fixed axle sleeve's top fixedly connected with top cap, the upper surface fixed joint of top cap has the upper bearing, fixed axle sleeve's periphery cover is established and is connected with stator winding, stator winding's lower surface fixed joint has lower bearing. As a further description of the above technical solution: The two positioning clamping grooves are arranged in total and are arranged along the central shaft mirror image of the mounting groove. As a further description of the above technical solution: the outer wall fixedly connected with location card post of permanent magnet, the outer wall activity joint of location card post is in the inner wall of location draw-in groove. As a further description of the above technical solution: The two positioning clamp columns are arranged in total and are arranged along the central axis of the permanent magnet in a mirror image mode. As a further description of the above technical solution: the upper surface of top cap has seted up the installation screw, the annular equidistant distribution of upper surface along the top cap of installation screw is equipped with three. As a further description of the above technical solution: and a mounting through hole is formed between the top cover and the fixed shaft sleeve in a penetrating way, wherein the inner wall of the mounting through hole is matched with the outer wall of the rotating shaft in size. As a further description of the above technical solution: The inner walls of the upper bearing and the lower bearing are attached to the outer wall of the rotating shaft. As a further description of the above technical solution: the upper surface of the stator winding is fixedly connected with a control wiring. The utility model has the following beneficial effects: 1. According to the utility model, the rotor assembly is adopted, the positioning clamping groove of the mounting groove is in clearance fit with the positioning clamping column of the permanent magnet, so that the rotor core frame and the permanent magnet can be conveniently assembled and overhauled and disasse