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CN-224229128-U - Electromagnetic clutch

CN224229128UCN 224229128 UCN224229128 UCN 224229128UCN-224229128-U

Abstract

The application discloses an electromagnetic clutch, which belongs to the technical field of electric drive systems and comprises a sliding sleeve component and an electromagnetic drive unit, wherein the sliding sleeve component is arranged on the outer peripheral side of an input shaft in a sleeved mode and is in transmission connection with the input shaft, the sliding sleeve component is arranged on one side of a free gear, the free gear is sleeved on the outer peripheral side of the input shaft and is movably connected with the input shaft, the electromagnetic drive unit is sleeved on the outer peripheral side of the sliding sleeve component and is used for driving the sliding sleeve component to move along the axial direction of the input shaft.

Inventors

  • LUO YAN
  • Zhong Lianggang

Assignees

  • 浙江凌昇动力科技有限公司
  • 浙江零跑科技股份有限公司

Dates

Publication Date
20260512
Application Date
20260310

Claims (10)

  1. 1. An electromagnetic clutch, comprising: The sliding sleeve assembly (300) is arranged on the outer peripheral side of the input shaft (100) in a sleeved mode and is in transmission connection with the input shaft (100), the sliding sleeve assembly (300) is positioned on one side of the idler gear (200), and the idler gear (200) is arranged on the outer peripheral side of the input shaft (100) in a sleeved mode and is movably connected with the input shaft (100); and the electromagnetic driving unit (400) is sleeved on the outer peripheral side of the sliding sleeve assembly (300), and the electromagnetic driving unit (400) is configured to drive the sliding sleeve assembly (300) to move along the axial direction of the input shaft (100) to be in transmission connection with the idler gear (200).
  2. 2. The electromagnetic clutch of claim 1, wherein the slip sleeve assembly (300) includes a first stop (310), the input shaft (100) includes a second stop (110), and the first stop (310) cooperates with the second stop (110) to drivingly connect the slip sleeve assembly (300) with the input shaft (100).
  3. 3. The electromagnetic clutch according to claim 2, characterized in that one of the first and second limit portions (310, 110) is a groove and the other is a protrusion; the groove extends along the axial direction of the sliding sleeve assembly (300), and the protrusion is accommodated in the groove and can move along the extending direction of the groove.
  4. 4. The electromagnetic clutch according to claim 2, wherein the sliding sleeve assembly (300) includes a plurality of the first limiting portions (310), the plurality of first limiting portions (310) being circumferentially spaced along an inner wall of the sliding sleeve assembly (300); The input shaft (100) comprises a plurality of second limiting parts (110), the second limiting parts (110) are circumferentially distributed at intervals along the outer periphery side of the input shaft (100), and each second limiting part (110) is matched with one first limiting part (310).
  5. 5. The electromagnetic clutch as set forth in claim 2 or 3 or 4, wherein the slip sleeve assembly (300) further includes: The sliding sleeve body (320) is sleeved on the outer peripheral side of the input shaft (100), and the first limiting part (310) is arranged on the inner wall of the sliding sleeve body (320); The first end fluted disc (330) is arranged on one side of the sliding sleeve body (320) facing the idler gear (200) and is connected with the sliding sleeve body (320); A second end fluted disc (210) is arranged on one side, facing the first end fluted disc (330), of the idler gear (200), and the second end fluted disc (210) is matched with the first end fluted disc (330) in terms of tooth number and tooth shape; Wherein the first end toothed disc (330) meshes with the second end toothed disc (210) upon movement of the sliding sleeve assembly (300) into driving connection with the idler gear (200).
  6. 6. The electromagnetic clutch of claim 5, wherein the sliding sleeve assembly (300) further comprises a mounting portion (340), the mounting portion (340) being connected to the sliding sleeve body (320) and the first end gear plate (330), respectively; the size of the mounting portion (340) is larger than the size of the sliding sleeve body (320) in the radial direction of the sliding sleeve assembly (300).
  7. 7. The electromagnetic clutch according to claim 5, wherein the sliding sleeve assembly (300) further comprises a receiving portion (350), and the receiving portion (350) is sleeved on the outer peripheral side of the sliding sleeve body (320) and is connected with the sliding sleeve body (320); The receiving part (350) is configured to receive electromagnetic force generated by the electromagnetic driving unit (400) and is used for driving the sliding sleeve body (320) to move along the axial direction of the input shaft (100).
  8. 8. The electromagnetic clutch according to claim 5, further comprising a clutch housing (500), the clutch housing (500) being fitted around an outer peripheral side of the sliding sleeve assembly (300), and a gap being present between the clutch housing (500) and the sliding sleeve assembly (300) in a radial direction of the input shaft (100); The clutch housing (500) is provided with a containing cavity (510), the electromagnetic driving unit (400) is contained in the containing cavity (510) and is connected with the clutch housing (500), and the electromagnetic driving unit (400) is configured to generate axial electromagnetic force acting on the sliding sleeve assembly (300) to drive the sliding sleeve assembly (300) to move along the axial direction of the input shaft (100).
  9. 9. The electromagnetic clutch according to claim 8, the electromagnetic clutch is characterized by further comprising: A sensing head (600) configured to be connected with one of an electric drive housing (800) and the clutch housing (500), the clutch housing (500) being connected with the electric drive housing (800), a detection end of the sensing head (600) being disposed toward the sliding sleeve assembly (300), and a detection direction of the sensing head (600) being disposed along an axial direction of the input shaft (100); The sensor support (700), one end of sensor support (700) is towards the detection end setting of inductive head (600), the other end of sensor support (700) with sliding sleeve assembly (300) are connected.
  10. 10. The electromagnetic clutch as set forth in claim 9, wherein the sensor holder (700) includes: An extension (710) extending in a radial direction of the input shaft (100), the extension (710) being located between the clutch housing (500) and the idler gear (200); The bending part (720) is connected with one end of the extending part (710) far away from the induction head (600), one end of the bending part (720) far away from the extending part (710) is bent towards the electromagnetic driving unit (400) along the axial direction of the input shaft (100), and the bending part (720) is connected with the sliding sleeve body (320).

Description

Electromagnetic clutch Technical Field The application relates to the technical field of electric drive systems, in particular to an electromagnetic clutch. Background In the related art of electric drive systems, a clutch is generally provided for achieving transmission and interruption of power. The clutch has larger axial and radial dimensions, complex matching system and more space occupation in the electric drive system. Disclosure of utility model The embodiment of the application provides an electromagnetic clutch, which aims to solve the technical problems of larger size and more occupied space of the clutch. In order to achieve the above object, an embodiment of the present application provides an electromagnetic clutch including: The sliding sleeve assembly is sleeved on the outer peripheral side of the input shaft and is in transmission connection with the input shaft, the sliding sleeve assembly is positioned on one side of an idler gear, and the idler gear is sleeved on the outer peripheral side of the input shaft and is movably connected with the input shaft; And the electromagnetic driving unit is sleeved on the outer peripheral side of the sliding sleeve assembly and is configured to drive the sliding sleeve assembly to move along the axial direction of the input shaft to be in transmission connection with the idler gear. In some embodiments, the sliding sleeve assembly includes a first stop portion and the input shaft includes a second stop portion, the first stop portion cooperating with the second stop portion to drivingly connect the sliding sleeve assembly with the input shaft. In some embodiments, one of the first and second limit portions is a slot and the other is a protrusion; The groove extends along the axial direction of the sliding sleeve assembly, and the protrusion is accommodated in the groove and can move along the extending direction of the groove. In some embodiments, the sliding sleeve assembly comprises a plurality of first limiting parts, and the plurality of first limiting parts are circumferentially distributed at intervals along the inner wall of the sliding sleeve assembly; The input shaft comprises a plurality of second limiting parts, the second limiting parts are circumferentially distributed at intervals along the outer periphery of the input shaft, and each second limiting part is matched with one first limiting part. In some embodiments, the sliding sleeve assembly further comprises: the sliding sleeve body is sleeved on the outer peripheral side of the input shaft, and the first limiting part is arranged on the inner wall of the sliding sleeve body; The first end fluted disc is arranged on one side of the sliding sleeve body facing the idler gear and is connected with the sliding sleeve body; A second end tooth disc is arranged on one side of the idler gear, facing the first end tooth disc, and the second end tooth disc is matched with the first end tooth disc in tooth number and tooth shape; And the first end fluted disc is meshed with the second end fluted disc under the condition that the sliding sleeve assembly moves to be in transmission connection with the idler gear. In some embodiments, the sliding sleeve assembly further comprises a mounting portion connected with the sliding sleeve body and the first end toothed disc, respectively; in the radial direction of the sliding sleeve assembly, the size of the mounting part is larger than that of the sliding sleeve body. In some embodiments, the sliding sleeve assembly further comprises a receiving part sleeved on the outer peripheral side of the sliding sleeve body and connected with the sliding sleeve body; The receiving part is configured to receive electromagnetic force generated by the electromagnetic driving unit and is used for driving the sliding sleeve body to move along the axial direction of the input shaft. In some embodiments, the electromagnetic clutch further comprises a clutch housing, wherein the clutch housing is sleeved on the outer peripheral side of the sliding sleeve assembly, and a gap exists between the clutch housing and the sliding sleeve assembly in the radial direction of the input shaft; The clutch housing is provided with a containing cavity, the electromagnetic driving unit is contained in the containing cavity and is connected with the clutch housing, and the electromagnetic driving unit is configured to generate axial electromagnetic force acting on the sliding sleeve assembly and drive the sliding sleeve assembly to axially move along the input shaft. In some embodiments, the electromagnetic clutch further comprises: The induction head is configured to be connected with one of an electric drive shell and the clutch shell, the clutch shell is connected with the electric drive shell, the detection end of the induction head faces the sliding sleeve assembly, and the detection direction of the induction head is arranged along the axial direction of the input shaft; The sensor s