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CN-224225140-U - Automobile steering system

CN224225140UCN 224225140 UCN224225140 UCN 224225140UCN-224225140-U

Abstract

The utility model discloses an automobile steering system which comprises a steering column, a motor power-assisted system and a steering actuating mechanism, wherein the power-assisted system comprises a power-assisted motor, one side of the power-assisted motor is connected with a speed reducer shell, a first fixed plate is arranged on the steering column, the bottom of the speed reducer shell is connected with a second fixed plate, the bottom of the second fixed plate is connected with a mounting seat, a controller is arranged on the mounting seat, the steering actuating mechanism comprises a side pull rod and a ball joint, and the side pull rod is in threaded connection with the ball joint.

Inventors

  • LI HE
  • SHAO JIAYI
  • LIU ZHONG
  • YIN KAI
  • WANG XIAOHUI

Assignees

  • 深圳昇麒新能源汽车科技有限公司

Dates

Publication Date
20260512
Application Date
20250603

Claims (8)

  1. 1. The automobile steering system comprises a steering column (1), a motor power-assisted system and a steering actuating mechanism, wherein the power-assisted system comprises a power-assisted motor (11), one side of the power-assisted motor (11) is connected with a speed reducer shell (12), and the automobile steering system is characterized in that a first fixing plate (5) is arranged on the steering column (1), the bottom of the speed reducer shell (12) is connected with a second fixing plate (6), the bottom of the second fixing plate (6) is connected with a mounting seat (3), a controller (4) is arranged on the mounting seat (3), and the steering actuating mechanism comprises a side pull rod (21) and a ball joint (22), and the side pull rod (21) is in threaded connection with the ball joint (22).
  2. 2. The automobile steering system according to claim 1, wherein the mounting seat (3) comprises a connecting plate (31) and a clamping plate (32), the controller (4) comprises a shell (41), the top of the connecting plate (31) is of an L-shaped structure, the top of the connecting plate (31) is connected with the second fixing plate (6) through bolts, the bottom of the mounting seat (3) is of an inverted T-shaped structure, and two ends of the bottom of the mounting seat (3) are connected with the shell of the controller (4) through bolts.
  3. 3. The steering system of a vehicle according to claim 2, wherein the two ends and the bottom end of the housing (41) are respectively provided with a clamping block (42), the clamping plate (32) is provided with a groove (33) corresponding to the clamping block (42), the two sides of the clamping plate (32) are provided with a stop block (35), and the two sides of the housing (41) are provided with notches (43) corresponding to the stop block (35).
  4. 4. A steering system for a vehicle according to claim 3, wherein the steering actuator further comprises an intermediate shaft (2), the side tie rods (21) are hinged to both ends of the intermediate shaft (2), the ball joints (22) comprise connecting sleeves (24), screw rods (23) are arranged at the ends of the side tie rods (21), the screw rods (23) are in threaded connection with the connecting sleeves (24), adjusting nuts (25) are arranged on the screw rods (23), and the adjusting nuts (25) are located on one side of the ends of the connecting sleeves (24).
  5. 5. A steering system for a vehicle according to any one of claims 1 to 4, wherein the booster motor (11) and the controller (4) are located on either side of the steering column (1).
  6. 6. The automobile steering system according to claim 5, wherein the first fixing plate (5) is provided with kidney-shaped holes (51), two kidney-shaped holes (51) are formed, two sides of the first fixing plate (5) are provided with fixing flanges (52), an arc-shaped groove (53) is formed in the middle of each fixing flange (52), and the arc-shaped groove (53) is in contact with the outer wall of the steering column (1).
  7. 7. The steering system of a vehicle according to claim 6, wherein the second fixing plate (6) has an L-shaped structure, a U-shaped groove (61) is formed in the bottom end of the second fixing plate (6), and two U-shaped grooves (61) are formed.
  8. 8. The steering system of a vehicle according to claim 2, wherein the top of the connecting plate (31) is further provided with an auxiliary fixing hole (34).

Description

Automobile steering system Technical Field The utility model belongs to the technical field of automobile steering, and particularly relates to an automobile steering system. Background The steering column and the controller in the existing automobile steering system are general in connection performance and insufficient in firmness, the long-term operation reliability of the steering system is affected, the structural length of the existing steering pull rod is not easy to adjust, and when the existing steering pull rod is assembled with wheels, the ball joint is required to be disassembled to assemble and adjust the front beam of the automobile. The invention patent with the publication number of CN106218710B discloses an automobile steering system on the 8 th month of 2018, which comprises a driving steering part and a power-assisted steering part, wherein the driving steering part comprises a steering column and a driving steering device, the steering column is connected with the driving steering device through a first electric mechanism, the driving steering device is used for driving an automobile steering pull rod to move so as to adjust the rotation angle of automobile wheels, and the power-assisted steering part comprises a second electric mechanism and a power-assisted steering device, and the second electric mechanism is connected with the power-assisted steering device. The steering system of the automobile cannot solve the technical problems described above. Disclosure of utility model The utility model aims to overcome the defects of the prior art and provide an automobile steering system which reduces the assembly difficulty of a steering column, a controller and a steering pull rod and improves the assembly efficiency. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The automobile steering system comprises a steering column, a motor power-assisted system and a steering actuating mechanism, wherein the power-assisted system comprises a power-assisted motor, one side of the power-assisted motor is connected with a speed reducer shell, a first fixing plate is arranged on the steering column, the bottom of the speed reducer shell is connected with a second fixing plate, the bottom of the second fixing plate is connected with a mounting seat, a controller is arranged on the mounting seat, and the steering actuating mechanism comprises a side pull rod and a ball joint which are in threaded connection. The mounting seat comprises a connecting plate and a clamping plate, the controller comprises a shell, the top of the connecting plate is of an L-shaped structure, the top of the connecting plate is connected with a second fixing plate through bolts, the bottom of the mounting seat is of an inverted T-shaped structure, and two ends of the bottom of the mounting seat are connected with a controller shell through bolts. Clamping blocks are arranged at the two ends and the bottom end of the shell, grooves corresponding to the clamping blocks are formed in the clamping plates, stop blocks are arranged at the two sides of the clamping plates, and notches corresponding to the stop blocks are formed at the two sides of the shell. The steering actuating mechanism further comprises an intermediate shaft, the side pull rods are hinged to two ends of the intermediate shaft, the ball joints comprise connecting sleeves, the end parts of the side pull rods are provided with screw rods, the screw rods are in threaded connection with the connecting sleeves, adjusting nuts are arranged on the screw rods, and the adjusting nuts are located on one side of the end parts of the connecting sleeves. The power-assisted motor and the controller are respectively positioned at two sides of the steering column. The steering column is characterized in that kidney-shaped holes are formed in the first fixing plate, two kidney-shaped holes are formed in the first fixing plate, fixing flanges are arranged on two sides of the first fixing plate, arc-shaped grooves are formed in the middle of the fixing flanges, and the arc-shaped grooves are in contact with the outer wall of the steering column. The second fixed plate is of an L-shaped structure, a U-shaped groove is formed in the bottom end of the second fixed plate, and two U-shaped grooves are formed in the bottom end of the second fixed plate. The top of the connecting plate is also provided with an auxiliary fixing hole. The automobile steering system has the technical effects that the automobile steering system improves the installation and fixation modes of the steering column and the controller, improves the installation stability of the steering column, ensures high installation firmness of the controller, ensures the reliability of long-term operation, improves the assembly efficiency, optimizes the assembly, realizes the length adjustment of the side pull rod and the ball joint in a threaded connection mode, can adjus