Blood pressure alarm

The utility model discloses a blood pressure alarm, which relates to the technical field of nursing instruments and comprises a shell, a furling mechanism is arranged in the shell, and a measuring mechanism is arranged at one end of the furling mechanism. An operating mechanism is arranged at one end of the winding mechanism and one end of the measuring mechanism, and an alarm is arranged at the top end of the winding mechanism; the furling mechanism comprises a fixing seat connected with one end of the shell, a through groove is formed in the fixing seat, a pull rod is arranged at one end of the fixing seat, and a guide rod is arranged at one end of the pull rod. According to the utility model, the pull rod is pulled to drive the guide rod and the spring to move longitudinally, the top block also moves longitudinally, at the moment, the electric connecting wire is drawn to a required length, after use, the pull rod is pulled to drive the top block to move longitudinally, the rotation of the coil spring drive