Pipeline control device
The utility model relates to a pipeline control device which comprises a piston component, an installation component and a spring. The piston component comprises a plastic piston shaft and a plastic cap; the plastic cap is connected with the plastic piston shaft through a buckle; the upper portion o...
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Main Authors | , |
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Format | Patent |
Language | Chinese English |
Published |
30.11.2021
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model relates to a pipeline control device which comprises a piston component, an installation component and a spring. The piston component comprises a plastic piston shaft and a plastic cap; the plastic cap is connected with the plastic piston shaft through a buckle; the upper portion of the plastic piston shaft is a cavity, and a bearing assembly, a sealing assembly and a communicating hole are arranged on a shaft body of the plastic piston shaft. The sealing assembly comprises a plurality of sealing rings which are respectively arranged above and below the communicating hole; the mounting component is a plastic component, the mounting component is a hollow cylinder with an opening in the upper end, a plastic piston shaft fixing position is arranged in the mounting component, and the plastic piston shaft is movably fixed in the longitudinal direction through the fixing position; and the spring is sleeved outside the plastic piston shaft and is supported between the plastic cap and the mounting p |
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Bibliography: | Application Number: CN202120035629U |