Single-end-to-double-end blind plate sealing piece for bus board and connecting device for multiple electromagnetic valves

The utility model discloses a single-end to double-end blind plate sealing sheet for a confluence plate and a plurality of electromagnetic valve connecting devices, the single-end to double-end blind plate sealing sheet for the confluence plate comprises a plug which can be inserted on the confluence plate, the plug is provided with a gas path sealing part for sealing a gas path of the confluence plate, and when the plug is inserted on the confluence plate, the gas path sealing part can seal the gas path of the confluence plate. And the gas path sealing part corresponds to the gas path position of the single-head electromagnetic valve on the confluence plate and seals the gas path. The confluence plate can be applied to various occasions, can be suitable for scenes with a single-head electromagnetic valve and a double-head electromagnetic valve, can enable the double-head electromagnetic valve to be installed on the confluence plate of the single-head electromagnetic valve, improves the application range of t