A Floating Ball Filling-control Device for Cryogenic tank

摘要

Disclosed herein is a floating ball filling-control device for a cryogenic tank with enhanced structural stability. The floating ball filling-control device comprises a liquid feeding pipe (2) with a liquid discharging end disposed in the liquid storage tank (1), the liquid feeding pipe (2) having liquid spraying holes (3) located on the pipe wall at the top of the pipe, and a slide valve (4) arranged on the top end of the liquid feeding pipe, wherein the slide valve is in a sliding fit with the liquid feeding pipe in a vertical direction via a floating ball lever driving mechanism, and forms an open/close mechanism for the liquid spraying holes via a control mechanism.

主权项

1. A floating ball filling-control device for a cryogenic tank, comprising:
a liquid feeding pipe (2) with a liquid discharging end disposed in the liquid storage tank (1), the liquid feeding pipe (2) having liquid spraying holes (3) located on the pipe wall at the top of the pipe, wherein a slide valve (4) is arranged on the top end of the liquid feeding pipe (2), the slide valve (4) positioned in a sliding fit with the liquid feeding pipe (2) in a vertical direction via a floating ball lever driving mechanism so as to forms an open/close mechanism for the liquid spraying holes (3) via a control mechanism, wherein the floating ball lever driving mechanism comprises:
a swing link (6) with one end provided on a supporting plate (5) at the inner wall of the liquid storage tank (1), a floating ball (7), anda horizontal lever (8), wherein one end of the horizontal lever (8) is connected to the slide valve (4) via a connecting rod (9), and the other end of the horizontal lever (8) is hinged with the floating ball (7) via a connecting assembly disposed on a central shaft of the floating ball,wherein, the other end of the swing link (6) is provided within the floating ball (7) along the center shaft of the floating ball (7) and is in a sliding fit with the floating ball (7) in the vertical direction.