Connecting mechanism and test terminal

The utility model relates to the technical field of relay detection, in particular to a connecting mechanism and a test terminal, and the connecting mechanism comprises a plugging part which comprises a guide block, a standby connecting port fixedly connected to the top end of the guide block, a chute arranged in the guide block, a cavity arranged in the guide block, and a first circular hole arranged in the guide block. The pressing assembly is adaptively mounted in the guide block, the clamping assembly is adaptively mounted on the outer side of the guide block, and the clamping assembly is adaptively mounted on the outer side of the clamping assembly; through mutual cooperation of the pressing assembly, the clamping assembly and the clamping assembly, a sliding plate and a bottom plate can be staggered when no connection wire is connected, so that a second circular hole is sealed, impurities cannot enter the second circular hole, a test terminal is protected, the connection wire can be connected into a loo