Drain valve for low-level water tank flushing
AssigneeXiamen Axent Corporation Limited
InventorsWenqing Xie, Fusheng Li
Life of this patent
Estimating the term…
Abstract
A drain valve for low-level water tank flushing includes a drain valve body, a low-level washing ring flushing device and a switch assembly. The switch assembly includes a switch element and a switch sheet. The switch element is connected to the switch sheet by using a lifting rod. When the switch element opens a sealing assembly of the drain valve body under the action of an external force, the switch sheet changes a channel between a water inlet and a water outlet from a small opening state to a big opening state.
Claims20
A drain valve for low-level water tank flushing, comprising a drain valve body, a low-level washing ring flushing device and a switch assembly, wherein,
- the drain valve body comprises a sealing assembly and a valve seat, the sealing assembly is arranged on the valve seat and configured to open or close a drain port of the valve seat;
- the low-level washing ring flushing device comprises a water inlet and a water outlet, the water inlet is in communication with an outlet of a water inlet valve in a water tank;
- the switch assembly comprises a switch member and a switch sheet, and the switch member controls the movement of the sealing assembly and opens or closes the drain port by controlling the movement of the sealing assembly, and the switch sheet is configured to switch between different communication states of the water inlet and the water outlet;
- wherein the switch member is connected to the switch sheet by a connection member, and in the case that the switch member opens the sealing assembly under the action of an external force, the switch sheet is moved to allow a channel between the water inlet and the water outlet to switch from a small opening state to a large opening state.
Dependencies are inferred from the claim text.