Small-flow regulating valve

The utility model provides a small-flow regulating valve. The valve comprises a valve body, a valve seat, a valve rod, a valve core and a covering core, the valve rod is mounted in the valve body; thevalve element is of a cylindrical structure. The bottom of the valve element is in a bevel groove shape. The core is mounted on the valve seat; the wrapping core is arranged at the periphery of the valve core; the wrapping core is in clearance fit with the valve core; coamings are mounted at the upper and lower parts of the valve core; the coaming is connected with the bottom of the side wall ofthe valve core; a circular channel is formed in the center of the valve core; meanwhile, an inverted-cone-shaped cavity groove is formed in the middle of the valve element; the inverted-cone-shaped cavity groove is communicated with the circular channel, an opening of the inverted-cone-shaped cavity groove is connected with the inverted-cone-shaped cavity groove, the valve rod extends into the circular channel of the valve