A
speed reduction structure for a
tape measure, comprising a tape (100), a case (200), a
tape measure hub (300), and a winding member (400), wherein the
tape measure hub (300) is rotatably arranged inside the case (200); the tape (100) is wound on the tape measure hub (300); the winding member (400) is arranged inside the case (200) and is connected to the tape measure hub (300); the winding member (400) is configured to drive the tape measure hub (300) to rotate and wind the tape (100). The
speed reduction structure further comprises: a
flywheel plate (500), wherein the
flywheel plate (500) is arranged on the tape measure hub (300); and a
speed reduction assembly (600), wherein the speed reduction
assembly (600) is arranged inside the case (200), and when the tape measure hub (300) rotates, the
flywheel plate (500) collides with the speed reduction
assembly (600), and the speed reduction assembly (600) buffers and reduces the speed of the tape measure hub (300). Thus, the speed reduction structure for the tape measure has the effect of reducing potential safety hazards during use of a steel tape measure. In addition, also provided are a tape measure capable of realizing emergency-stop, speed reduction, and safe retraction, a tape measure capable of realizing friction-based speed reduction, a tape measure capable of realizing
noise reduction and speed reduction, an adjustable tape measure capable of realizing centrifugal speed reduction, a tape measure capable of realizing fly-hammer-based speed reduction, and a tape measure capable of realizing stop-position speed-limiting.