| 摘要 |
A defrosting valve, comprising: a valve body (2) provided with a valve core (5) therein and an upper lid (1) thereon, and a pushing piston (3) is provided in the valve core (5); a return tension spring (4) is sleeved on the lower portion of the upper lid (1), the upper end of the return tension spring (4) is connected to the upper lid (1), and the lower end of the return tension spring (4) is connected to the lower end of the pushing piston (3); a lower table board (12) is provided at the lower portion in the valve body (2), a flow channel inlet (9) is provided on the upper lid (1), the side wall of the valve body (2) is arranged with a bidirectional flow channel opening (10), and the lower end of the valve body (2) is arranged with a flow channel outlet (11). The defrosting valve is simple and reasonable in structure and long in service life, and improves the heating efficiency of an air conditioner. |
