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CN-115899161-B - Electromagnetic buffer structure, buffer system and vehicle

CN115899161BCN 115899161 BCN115899161 BCN 115899161BCN-115899161-B

Abstract

The invention discloses an electromagnetic buffer structure, a buffer system and a vehicle, wherein the electromagnetic buffer structure comprises a buffer main body part and a piston connecting part, the buffer main body part comprises a suspension cavity and a through hole communicated with the suspension cavity, the piston connecting part comprises a piston head and a connecting rod, the piston head is arranged in the suspension cavity, the connecting rod is connected with the piston head, the connecting rod penetrates through the through hole, a piston electromagnetic part is arranged on the outer surface of the piston head, a suspension cavity electromagnetic part is arranged on the inner wall of the buffer main body part, the piston electromagnetic part is arranged opposite to the suspension cavity electromagnetic part, and like magnetic poles between the piston electromagnetic part and the suspension cavity electromagnetic part are opposite. The electromagnetic buffer structure can be used for buffering impact force transmitted to a vehicle body by an uneven road surface and attenuating vibration caused by the impact force so as to ensure the stability of the vehicle body.

Inventors

  • LU DI
  • ZHANG QIANG

Assignees

  • 浙江极氪智能科技有限公司
  • 浙江吉利控股集团有限公司

Dates

Publication Date
20260508
Application Date
20220926

Claims (7)

  1. 1. An electromagnetic buffer structure is characterized by comprising a buffer main body part (1) and a piston connecting part (2); The buffer main body part (1) comprises a suspension cavity (11) and a through hole (12) communicated with the suspension cavity (11), the piston connecting part (2) comprises a piston head (21) and a connecting rod (22), the piston head (21) is arranged in the suspension cavity (11), the connecting rod (22) is connected with the piston head (21), and the connecting rod (22) penetrates through the through hole (12); The outer surface of the piston head (21) is provided with a piston electromagnetic piece (3), the inner wall of the buffer main body part (1) is provided with a suspension cavity electromagnetic piece (4), the piston electromagnetic piece (3) is arranged opposite to the suspension cavity electromagnetic piece (4), and like magnetic poles between the piston electromagnetic piece (3) and the suspension cavity electromagnetic piece (4) are opposite; The piston head (21) comprises a first end face (211) and a second end face (212) which are oppositely arranged, the first end face (211) is provided with a first piston electromagnetic piece (31), the second end face (212) is provided with a second piston electromagnetic piece (32), and the inner wall of the buffer main body part (1) is provided with a first suspension cavity electromagnetic piece (41) opposite to the first piston electromagnetic piece (31) and a second suspension cavity electromagnetic piece (42) opposite to the second piston electromagnetic piece (32); The piston head (21) comprises a plurality of side surfaces (213), a third piston electromagnetic member (33) is arranged on each side surface (213), the buffer main body part (1) comprises a plurality of side wall parts (13) which are respectively opposite to the side surfaces (213), and a third suspension cavity electromagnetic member (43) which is opposite to the third piston electromagnetic member (33) is arranged on each side wall part (13); The connecting rod (22) is fixed in second terminal surface (212), be equipped with at least two on the second terminal surface (212) second piston electromagnetic part (32), second suspension chamber electromagnetic part (42) with second piston electromagnetic part (32) one-to-one.
  2. 2. An electromagnetic buffering structure according to claim 1, characterized in that the piston head (21) is a cylinder or a polygonal cylinder.
  3. 3. An electromagnetic cushioning structure according to claim 1 or 2, characterized in that the cushioning body portion (1) includes a side wall portion (13), the side wall portion (13) being provided with a first inner wall portion (14) at one end and a second inner wall portion (15) at the other end, the second inner wall portion (15) being provided with the through hole (12).
  4. 4. An electromagnetic buffer structure according to claim 3, characterized in that the second suspension chamber electromagnetic member (42) is arranged at the second inner wall portion (15).
  5. 5. An electromagnetic buffer structure according to claim 1, characterized in that the side of the connecting rod (22) is provided with a first guiding electromagnetic member (34), and the wall of the through hole (12) is provided with a second guiding electromagnetic member (44) opposite to the first guiding electromagnetic member (34).
  6. 6. An electromagnetic buffer system, characterized by comprising an electromagnetic controller (5), a body controller (8) and an electromagnetic buffer structure according to any one of claims 1-5; One end of the electromagnetic controller (5) is in communication connection with the vehicle body controller (8), the other end of the electromagnetic controller (5) is connected with the piston electromagnetic piece (3) and the suspension cavity electromagnetic piece (4) of the electromagnetic buffer structure, and the electromagnetic controller (5) is used for controlling the piston electromagnetic piece (3) and the suspension cavity electromagnetic piece (4) to generate a magnetic field.
  7. 7. A vehicle characterized by comprising a body (6), a wheel assembly (7), a vehicle chassis (9) and an electromagnetic cushioning system as claimed in claim 6; The electromagnetic buffer structure of the electromagnetic buffer system is arranged between the vehicle body (6) and the wheel assembly (7), and the electromagnetic controller (5) is arranged between the vehicle body (6) and the vehicle chassis (9).

Description

Electromagnetic buffer structure, buffer system and vehicle Technical Field The invention relates to the technical field of automotive suspensions, in particular to an electromagnetic buffer structure, a buffer system and a vehicle. Background Vehicle suspension refers to a system of connection structures between the body, frame and wheels. The function of the suspension structure is to transmit forces and moments acting between the wheels and the frame or body, to cushion the impact forces imparted to the body by the uneven road surface and to dampen the vibrations caused thereby, to ensure smooth travel of the vehicle. The existing air suspension assembly and spring suspension assembly are complex in structure and more in mechanical connection parts, when a vehicle runs on an uneven road surface and is subjected to vibration and impact, hardware contact can be generated between parts in the suspension assembly, so that hardware abrasion is caused, and vibration of the vehicle cannot be completely eliminated. Disclosure of Invention In order to solve the problems that in the prior art, a suspension assembly is complex in structure and more in mechanical connecting parts, when a vehicle runs on an uneven road surface and is subjected to vibration and impact, hardware contact can be generated between parts in the suspension assembly, hardware abrasion is easy to cause, and the damping effect is poor. In a first aspect, the present application provides an electromagnetic buffering structure, including a buffering body portion and a piston connecting portion; The buffer main body part comprises a suspension cavity and a through hole communicated with the suspension cavity, the piston connecting part comprises a piston head and a connecting rod, the piston head is arranged in the suspension cavity, the connecting rod is connected with the piston head, and the connecting rod penetrates through the through hole; The outer surface of the piston head is provided with a piston electromagnetic member, the inner wall of the buffer main body part is provided with a suspension cavity electromagnetic member, the piston electromagnetic member is arranged opposite to the suspension cavity electromagnetic member, and like magnetic poles between the piston electromagnetic member and the suspension cavity electromagnetic member are opposite. Further, the piston head is a cylinder or a polygonal cylinder. Further, the buffer main body portion includes a side wall portion, one end of the side wall portion is provided with a first inner wall portion, the other end is provided with a second inner wall portion, and the second inner wall portion is provided with the through hole. Further, the piston head comprises a first end face and a second end face which are oppositely arranged, the first end face is provided with a first piston electromagnetic piece, the second end face is provided with a second piston electromagnetic piece, and the inner wall of the buffer main body part is provided with a first suspension cavity electromagnetic piece opposite to the first piston electromagnetic piece and a second suspension cavity electromagnetic piece opposite to the second piston electromagnetic piece. Further, the connecting rod is fixed in the second terminal surface, be equipped with two at least second piston electromagnetism spare on the second terminal surface, second suspension chamber electromagnetism spare with second piston electromagnetism spare one-to-one, second suspension chamber electromagnetism spare set up in second inner wall portion. Further, a third piston electromagnetic member is arranged on the side face of the piston head, and a third suspension cavity electromagnetic member opposite to the third piston electromagnetic member is arranged on the side wall portion of the buffer main body portion. Further, the piston head comprises a plurality of side surfaces, a third piston electromagnetic member is arranged on each side surface, the buffer main body part comprises a plurality of side wall parts which are respectively opposite to the side surfaces, and the side wall parts are provided with the third suspension cavity electromagnetic member which is opposite to the third piston electromagnetic member. Further, a first guiding electromagnetic piece is arranged on the side face of the connecting rod, and a second guiding electromagnetic piece opposite to the first guiding electromagnetic piece is arranged on the hole wall of the through hole. In a second aspect, the application also provides an electromagnetic buffer system, which comprises an electromagnetic controller, a vehicle body controller and the electromagnetic buffer structure; one end of the electromagnetic controller is in communication connection with the vehicle body controller, the other end of the electromagnetic controller is connected with the piston electromagnetic part and the suspension cavity electromagnetic part of the electromagnetic buffer struc