Adjustable insert assistive device

The utility model provides an adjustable insert assistive device which comprises a brake connector arranged on an automobile brake, a connector is arranged on the inner side of the brake connector, an open groove is formed in the top of the brake connector, and a front sliding column assembling assembly capable of adjusting the size of an opening of the connector is arranged on the open groove. The adjusting device is suitable for adjusting the size of a brake interface when the sliding column is connected with the brake, and when the brake and the sliding column are installed after the front sliding column assembling assembly is additionally installed on the brake interface, installation personnel can enable the adjusting square block to transversely move by shifting the inserting piece shifting rod, so that the interface is opened, the size of the interface is increased, and the installation efficiency is improved. The sliding column can be conveniently installed, when the front sliding column is installed,