TOILET BRUSH HAVING REPLACEABLE CLEANING HEAD

Provided is a toilet brush having a replaceable cleaning head, which belongs to the technical field of cleaning tools and solves the problem of a low replacement efficiency in the prior art. The toilet brush comprises a hollow housing (1) and a cleaning head, wherein a push rod (2) is arranged in the housing (1); one end of the push rod (2) is provided with a clamping portion (21) for clamping the cleaning head, and the other end thereof extends into the housing (1) and is axially and movably connected to the housing; the end of the housing (1) that is close to the clamping portion (21) is provided with a guide portion (11) that enables the clamping portion (21) to contract when the push rod (2) moves towards the side that is away from the clamping portion (21); and the housing (1) is provided with a locking device (3) that can lock and unlock the push rod (2) in an axial direction. By means of providing the locking device (3), the push rod (2) can be rapidly locked or unlocked in the axial direction, and the