Fast-connected laboratory animal test bench

A quick-connected laboratory animal test bench, comprising a test bench (1) and a liquid storage tank (2) and a plurality of fixing bolts (3), and the fixing bolts (3) are all arranged on the test bench (1), and is able to bind ropes to fix animals, the test bench (1) is provided with a discharge groove (1.1) located inside a range surrounded by all the fixing bolts (3), the liquid storage tank (2) is arranged at a bottom of the test bench (1) and is configured to accommodate waste liquid discharged from the liquid discharge groove (1.1),

• a liquid discharge port (1.2) communicating with the liquid discharge groove (1.1) is formed in the test bench (1), and the waste liquid in the liquid discharge groove (1.1) is led to the inside of the liquid storage tank (2) through the liquid discharge port (1.2),
• an annular protrusion is provided at an outer edge of a bottom end surface of the test bench (1) around the liquid discharge port (1.2), and a connecting piece (1.3) located on an outer periphery of the annular protrusion is arranged on the bottom end surface of the test bench (1), an outer wall of a bottle mouth of the liquid storage tank (2) is provided with external threads, and is screwed with the connecting piece (1.3) through the external threads,
• the connecting piece (1.3) comprises:
• an annular ring (1.3.1), located on the outer periphery of the annular protrusion;
• two lugs (1.3.2), connected to both symmetrical sides of the annular ring (1.3.1), and fixed to the bottom end surface of the test bench (1);
• two internally threaded sleeves (1.3.3), respectively connected to an inner and outer sides of an outer surface of the annular ring (1.3.1), there is a distance between the internally threaded sleeves, and there is also a distance between the internally threaded sleeve (1.3.3) located on the inner side and an outer ring of the annular protrusion, the bottle mouth of the liquid storage tank (2) is connected with one of the internally threaded sleeves (1.3.3).