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CN-224218192-U - Motor of five-in-one low-power electric pump assembly applied to vehicle active suspension

CN224218192UCN 224218192 UCN224218192 UCN 224218192UCN-224218192-U

Abstract

The utility model is suitable for the technical field of vibration dampers, and provides a motor of a five-in-one low-power electric pump assembly applied to a vehicle active suspension, which comprises a motor shell and a lower controller shell, wherein the motor shell and the lower controller shell are integrally cast and formed, a motor stator is arranged in the motor shell, the motor shell is in interference fit with the motor stator, a motor rotor is arranged in the motor stator, the air gap between the motor rotor and the motor stator is 0.8, a deep groove ball bearing is arranged in the motor shell, the deep groove ball bearing supports the motor rotor and transmits torque, and a magnetic braid for detecting the position of the motor rotor is also arranged in the motor shell. The motor structure is more compact through the integral casting molding of the motor shell and the lower controller shell, so that the space occupancy rate of the motor is reduced, the BOM cost is saved, the weight is reduced, and the improvement of light weight and miniaturization is realized.

Inventors

  • DAI HOUSHAN
  • LIU XIANG
  • CHEN WEI
  • SHI YONGHONG
  • CHI ZHIHENG

Assignees

  • 上海淅减汽车悬架有限公司
  • 南阳淅减汽车减振器有限公司

Dates

Publication Date
20260508
Application Date
20250408

Claims (9)

  1. 1. The motor of the five-in-one low-power electric pump assembly applied to the vehicle active suspension is characterized by comprising a motor shell (4) and a controller lower shell (13), wherein the motor shell (4) and the controller lower shell (13) are integrally cast and formed, A motor stator (5) is arranged in the motor shell (4), the motor shell (4) is in interference fit with the motor stator (5), a motor rotor (6) is arranged in the motor stator (5), and the air gap between the motor rotor (6) and the motor stator (5) is 0.8; the motor is characterized in that a deep groove ball bearing (9) is arranged in the motor shell (4), the deep groove ball bearing (9) supports the motor rotor (6) and transmits torque, and a magnetic braid (12) for detecting the position of the motor rotor (6) is further arranged in the motor shell (4).
  2. 2. The motor applied to the five-in-one low-power electric pump assembly on the vehicle active suspension according to claim 1, wherein one side of the deep groove ball bearing (9) is limited by a reserved clamp spring groove on the motor shell (4), and the other side of the deep groove ball bearing (9) is limited axially by the reserved clamp spring groove on the motor shaft to axially limit the motor rotor (6).
  3. 3. The motor of the five-in-one low-power electric pump assembly applied to the vehicle active suspension according to claim 1, wherein a pressure sensor (1) and a temperature sensor (2) are further arranged in the motor shell (4), the pressure sensor (1) is arranged at an oil inlet and outlet of a hydraulic pump, and outgoing lines of the pressure sensor (1) and the temperature sensor (2) are fixed, insulated and protected by a warm-air wire harness rubber plug (3) and connected with a controller.
  4. 4. The motor of a five-in-one low power electric pump assembly for use in a vehicle active suspension according to claim 1, wherein a 0.8mm air gap is left between the motor stator (5) and the motor rotor (6).
  5. 5. The motor of a five-in-one low power electric pump assembly applied to a vehicle active suspension according to claim 4, wherein a rotor protective sleeve (7) is fixed on the inner wall of the motor stator (5), and the rotor protective sleeve (7) is made of 0.1-0.25mm stainless steel.
  6. 6. The motor of the five-in-one low-power electric pump assembly applied to the vehicle active suspension according to claim 1, wherein the motor shell (4) is provided with a glue filling hole for carrying out glue filling treatment on a motor gap through the glue filling hole.
  7. 7. The motor of the five-in-one low-power electric pump assembly applied to the vehicle active suspension according to claim 1, characterized in that the three-phase line of the motor stator (5) is radially switched through the three-phase switching plate (11).
  8. 8. The motor of a five-in-one low power electric pump assembly for use in an active suspension of a vehicle according to claim 1, wherein the motor housing (4) is provided with a magnet rear cover (10).
  9. 9. The motor of the five-in-one low-power electric pump assembly applied to the vehicle active suspension according to claim 1, wherein a sealing ring (8) is arranged in the motor shell (4), and the sealing ring (8) is used for being sleeved outside a deep groove ball bearing (9) to realize the sealing between the deep groove ball bearing (9) and the motor rotor (6).

Description

Motor of five-in-one low-power electric pump assembly applied to vehicle active suspension Technical Field The utility model belongs to the technical field of vibration dampers, and particularly relates to a motor of a five-in-one low-power electric pump assembly applied to a vehicle active suspension. Background The automobile suspension damper is an automobile part for reducing the vibration of an automobile body, is an important part in a suspension, and relates to the running smoothness and the operating stability of the whole automobile. The semi-active suspension has continuously adjustable damping compared with the traditional shock absorber, but has no small gap in the aspects of adjusting precision and response speed compared with the active suspension. Along with the increasing requirements of market clients on smoothness and operability of automobiles, the market share of the electric control shock absorber is gradually increasing, and the active suspension serving as a better technical scheme is gradually becoming the main stream of the market. The motor is an important and indispensable power element of the electric pump assembly, the total components of the traditional electric pump are a motor, a hydraulic pump and a controller, the motor and the controller are of split structures, and the motor and the controller are connected through bolts, so that the whole volume is large, and meanwhile, the production and manufacturing cost is increased. Disclosure of utility model The utility model provides a motor of a five-in-one low-power electric pump assembly applied to a vehicle active suspension, and aims to solve the problems of how to reduce the space utilization rate and the manufacturing cost of the electric pump assembly, and meanwhile, the motor is used for solving the problems of how to improve the smoothness and the operability of a vehicle through the motor and bringing better driving experience to passengers. The utility model is realized in such a way that the motor of the five-in-one low-power electric pump assembly applied to the vehicle active suspension comprises a motor shell and a lower controller shell, wherein the motor shell and the lower controller shell are integrally cast and formed, and the motor is characterized in that, A motor stator is arranged in the motor shell, the motor shell is in interference fit with the motor stator, a motor rotor is arranged in the motor stator, and an air gap between the motor rotor and the motor stator is 0.8; The motor is characterized in that a deep groove ball bearing is arranged in the motor shell, the deep groove ball bearing carries and transmits torque to the motor rotor, and a magnetic braid for detecting the position of the motor rotor is also arranged in the motor shell. Optionally, one side of the deep groove ball bearing is limited by a reserved clamp spring groove on the motor shell, and the other side of the deep groove ball bearing is limited axially to the motor rotor by a reserved clamp spring groove on the motor shaft. Optionally, still be provided with pressure sensor and temperature sensor in the motor casing, pressure sensor sets up in hydraulic pump business turn over hydraulic fluid port, pressure sensor and temperature sensor's lead-out wire is fixed and insulation protection with warm-pressing pencil rubber buffer to be connected with the controller. Optionally, a 0.8mm air gap is left between the motor stator and the motor rotor. Optionally, a rotor protecting sleeve is fixed on the inner wall of the motor stator, and the rotor protecting sleeve is made of stainless steel with the thickness of 0.1-0.25 mm. Optionally, a glue filling hole is formed in the motor shell and used for carrying out glue filling treatment on a motor gap through the glue filling hole. Optionally, the three-phase line of the motor stator realizes radial switching through a three-phase switching plate. Optionally, a magnet rear cover is arranged on the motor shell and is used for sealing the rotor and preventing oil leakage. Optionally, be provided with the sealing washer in the motor casing, the sealing washer is used for the cover to establish in the outside realization of deep groove ball bearing the sealing of deep groove ball bearing and motor rotor. The motor of the five-in-one low-power electric pump assembly applied to the vehicle active suspension comprises a motor shell and a lower controller shell, wherein the motor shell and the lower controller shell are integrally cast and formed, a motor stator is arranged in the motor shell, the motor shell is in interference fit with the motor stator, a motor rotor is arranged in the motor stator, an air gap between the motor rotor and the motor stator is 0.8, a deep groove ball bearing is arranged in the motor shell, the deep groove ball bearing carries and transmits torque to the motor rotor, and magnetic braiding for detecting the position of the motor rotor is also arranged in the motor sh