Blood sampler for preventing epidemic diseases of ruminants

The invention relates to the technical field of blood collectors, in particular to a blood collector for preventing epidemic diseases of ruminants. According to the technical scheme, the device comprises a needle tube assembly, a blood storage assembly and a disinfection assembly, one end of the needle tube assembly is connected with the blood storage assembly, and the disinfection assembly is arranged below the needle tube assembly; the needle tube assembly comprises a shell, a core rod is installed in the shell in a sliding mode, a negative pressure hole is formed in one end of the needle tube assembly, the blood storage assembly comprises a connecting sleeve in threaded connection with the shell, a threaded hole is formed in the position, corresponding to the negative pressure hole, of the connecting sleeve, a tube body is connected to one side of the connecting sleeve, and the tube body is connected to the other side of the connecting sleeve. The end, away from the connecting sleeve, of the tube body is c