Electric opening and closing system for automobile tailgate

Abstract

The invention discloses an electric opening and closing system for an automobile back door. The electric opening and closing system for the automobile back door comprises an ECU control system and a supporting rod; one end of the supporting rod is connected to the automobile back door, and the other end of the supporting rod is fixed to an automobile body; the supporting rod comprises a motor, a speed reducer, a damper and a screw rod nut and further comprises a screw rod, an inner tube and an outer tube which are arranged sequentially from inside to outside in a sleeved mode; the motor is controlled by the ECU control system; the screw rod nut is clamped to the outer tube; the first end of the screw rod is fixedly connected with the inner tube, and the second end of the screw rod is arranged in the screw rod nut in a penetrating mode; the motor, the speed reducer and the damper are connected in sequence; the damper is connected to the second end of the screw rod so that the motor can drive the screw rod to drive the inner tube to move; a bearing is further arranged in the position, below the damper, of the second end of the screw rod; a coupling and a blocking piece are arranged above the bearing; and a bearing positioning sleeve and a shock absorption pad are arranged below the bearing. The electric opening and closing system for the automobile back door integrates electric execution of the ECU control system and mechanical driving of the supporting rod, tedious setting of the ECU control system is avoided, both hands of an automobile owner are thoroughly liberated, and the requirement of the automobile owner for comfort is met.

Description

technical field [0001] The invention relates to the technical field of medical care equipment, in particular to an electric opening and closing system for a tailgate of an automobile. Background technique [0002] The trunk of a car is an important part of the car and is mainly used to store and transport goods. Therefore, the tailgate of the trunk needs to be opened or closed frequently so that people can take items according to their needs. The convenience of opening or closing the tailgate mainly depends on the support rod connecting the tailgate and the body. [0003] The electric strut is the product of the improvement of the traditional pneumatic strut. It is the trend of the development of comfort for the opening and closing of the tailgate of the car. It has the advantages of compact structure, excellent dustproof and waterproof performance, and stable performance. The logic of the system (Electronic Control Unit, electronic control unit, also known as "driving comp...

AI Technical Summary

Problems solved by technology

[0003] The electric strut is the product of the improvement of the traditional pneumatic strut. It is the trend of the development of comfort for the opening and closing of the tailgate of the car. It has the advantages of compact structure, excellent dustproof and waterproof performance, and stable performance. The logic of the system (Electronic Control Unit, also known as "driving computer", "vehicle computer", etc.) is complex, and the initial investment cost is large

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