| 摘要 |
FIELD: valving systems. ^ SUBSTANCE: hose valve gate comprises flexible hose and mechanism for pinching the hose. The mechanism has load-bearing frame provided with concave base for the hose, running nut for the driving screw spindle, and guiding rods for the pressing traverse. The traverse is connected with the driving screw spindle and is provided with convex surface. The base for the hose and pressing traverse are additionally provided with flat sides. The sides are perpendicular to the direction of the hose pinching. The distance between the opposite sections does not exceed the total stroke of the pressing traverse with respect to the base. ^ EFFECT: enhanced reliability and prolonged service life. ^ 2 cl, 2 dwg |
