Interlocking valve for hydraulic support

The invention discloses an interlocking valve for a hydraulic support. The interlocking valve comprises a valve body, a first one-way valve string and a second one-way valve string are arranged in thevalve body, the first one-way valve string is provided with a first valve seat and a first end plug opposite to the first valve seat, a first liquid inlet and a first reflux inlet are formed in the first valve seat, a first valve element is arranged in the first valve seat, and a first return spring is arranged in a first accommodating cavity between the first valve element and the first end plug; and the structure of the second one-way valve string is similar to that of the first one-way valve string, the first accommodating cavity communicates with a second liquid inlet of the second one-way valve string through a first damping channel, and a second accommodating cavity of the second one-way valve string communicates with the first liquid inlet through a second damping channel. The interlocking valve for the hy