1results about How to "Strong support and stability" patented technology

The balanced oil tank pressure solenoid valve of the present application discloses a solenoid valve, which comprises an upper valve body, a middle valve body and a lower valve body, the inner cavity of the upper valve body is communicated with the inner cavity of the middle valve body, the communication part forms a sealing surface through a sealing assembly, the bottom end of the upper valve body is provided with a flange in contact with the sealing surface to form a first channel; the inner cavity of the middle valve body is communicated with the inner cavity of the lower valve body to form a cavity, a solenoid valve is fixed in the cavity, the solenoid valve is fixedly connected with the sealing assembly for driving the sealing assembly away from the upper valve body to open the first channel; the middle part of the sealing assembly is provided with a sealing guide rod, the sealing guide rod comprises a sealing joint, a guide rod and a small diameter spring, the bottom end of the sealing joint is provided with a flange in contact with the sealing surface to form a second channel, the guide rod is connected with the solenoid valve through a locking part after passing through a through hole, the locking part compresses the small diameter spring to make the second channel in a sealed state. The sealing mode is improved, and the overall sealing performance is improved.