2results about How to "Add control function" patented technology

This utility model discloses a novel switch structure, including a panel assembly, a PCB board, a power board, and a base assembly. The panel assembly includes an outer frame, a button assembly, and a back cover arranged sequentially from front to back. A cavity is formed on the surface of the back cover. A receiving cavity is provided inside the outer frame, and a button hole communicating with the receiving cavity is formed on the surface of the outer frame. An assembly groove is formed on the inner surface of the outer frame. The PCB board is located between the button assembly and the back cover assembly, and at least one button is provided on the PCB board. The button assembly includes a button plate and a button glass. The button plate has button areas corresponding to each button, and the button plate is connected to the outer frame via the assembly groove. The button areas protrude from the button plate. The button glass is disposed within the button hole and is fixedly connected to the button area. The button hole and button glass are arranged in a one-to-one correspondence. After the back cover is connected to the outer frame via a locking member, the PCB board and the button assembly are fixed within the receiving cavity. This utility model features high assembly precision, low cost, and multiple control functions.

The utility model discloses a label paper tape winding device of a non-setting adhesive printing machine, which relates to the technical field of label paper winding equipment, and comprises a rack and a winding roller, the inner side of a chuck is provided with a clamping groove, the end part of the winding roller is positioned in the clamping groove, the inner wall of a sliding sleeve is connected with a baffle block, the outer part of a guide rod is sleeved with a first spring, and the guide rod is sleeved with a second spring. Through cooperation of a sliding sleeve, a stop block, a stop groove and a first spring, a containing space is provided for a winding roller through a clamping groove, the sliding sleeve is used for controlling the stop block to move, an inlet and an outlet of the clamping groove are controlled to be opened and closed by moving the stop block, elastic pushing force is provided for the sliding sleeve through the first spring, and the sliding sleeve pushes the stop block to be located in the clamping groove; when the wind-up roller is replaced, the fixed part does not need to be disassembled, and the wind-up roller can be taken out from the interior of the clamping groove only by pushing the sliding sleeve to drive the stop block to be separated from the clamping groove, so that the convenience of replacing the wind-up roller is improved.