Hemodialysis centralized liquid supply connecting device for dialysis machine

The invention belongs to the technical field of hemodialysis concentrated liquid supply, and discloses a hemodialysis concentrated liquid supply connecting device for a dialysis machine, which comprises an upper tool head and a tool body, the upper tool head and the tool body are connected through a fixing pin, and a hydraulic connecting device is arranged between the upper tool head and the tool body. Comprising a first clamp, a second clamp, an oil cavity box, a spring and a handle, through mutual cooperation of the spring, the oil cavity box and the handle, the second clamp is driven to move towards a tool head in a tool body, the distance between the first clamp and the second clamp is adjusted, and the silicone tube and the hemodialysis concentrated liquid supply three-way adapter are hydraulically fixed. According to the hemodialysis concentrated liquid supply connecting device for the dialysis machine, through cooperation of the hydraulic connecting device and the heat-seal connecting device, a conveni