Card insertion type high-definition hybrid matrix convenient to install

The utility model relates to the technical field of matrix equipment, and discloses a plug-in type high-definition hybrid matrix convenient to install, which comprises a matrix body, a first handle fixedly connected to the front surface of the matrix body, a display screen arranged on the front surface of the matrix body, and buttons arranged on the front surface of the matrix body. The protection device comprises a connecting piece, one side of the matrix body is fixedly connected with the connecting piece, the back face of the connecting piece is provided with a cover plate, one side of the cover plate is fixedly connected with a second handle, the other side of the cover plate is fixedly connected with a limiting piece, and the back face of the matrix body is fixedly connected with an installation block. When the equipment is not used, the second handle is held to enable the cover plate to cover the access port, the limiting piece is matched with the inclined face arranged on the installation block, the pr