Lifting and switching-on and switching-off type hydrant
A water supply cock, opening and closing technology, applied in the direction of lifting valves, valve details, engine components, etc., can solve problems such as poor guidance, poor sealing effect of fluid switching valves, etc.
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[0026] Such as Figure 1 to Figure 10 As shown, the lifting opening and closing type water supply cock includes an elbow 1, an inner pipe 6, an outer pipe 3, a gland 2 and a bottom support 4, and the elbow 1 is connected with the inner pipe 6, which is more optimally designed. The connection method of the inner pipe is one of screw connection, quick chuck connection, bonding or flange connection.
[0027] The elbow 1 and the inner pipe 6 can be arranged as a split structure, such as Figure 8 shown. The elbow 1 can be unscrewed and taken away to avoid being stolen, and the inner tube 6 can be provided with a cover 10 to seal the inner tube mouth and prevent foreign matter from entering.
[0028] The inner tube 6 moves inside the outer tube 3 , and the upper end of the outer tube 3 is provided with a gland 2 for sealing between the inner tube 6 and the outer tube 3 .
[0029] Further, a sealing ring 9 is provided between the outer tube 3 and the gland 2, and the sealing ring...
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