Sealing device suitable for outer pipe of vacuum double-wall pipe

By designing the sealing device of the vacuum double-wall pipe outer pipe, using components such as sealing bodies and gears, the problems of pipe damage and construction inconvenience caused by welding are solved, and more accurate airtightness detection and better connection sealing are achieved, and a longer The service life of the equipment is reduced and maintenance costs are reduced.

CN119103435APending Publication Date: 2024-12-10CSSC POWER (GRP) CO LTD
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Patent Information

Application Number
CN202411289669.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-14
Publication Date
2024-12-10

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    Figure CN119103435A_ABST
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Abstract

The invention discloses a sealing device suitable for an outer pipe of a vacuum double-wall pipe, and relates to the technical field of pressure pipelines, in particular to the sealing device suitable for the outer pipe of the vacuum double-wall pipe, the sealing device comprises an inner pipe of the vacuum double-wall pipe and the outer pipe of the vacuum double-wall pipe, one end of the inner pipe of the vacuum double-wall pipe extends into one end of the outer pipe of the vacuum double-wall pipe, and the other end of the inner pipe of the vacuum double-wall pipe extends into the outer pipe of the vacuum double-wall pipe; and one end of the vacuum double-wall pipe inner pipe, which is jointed with the vacuum double-wall pipe outer pipe, is connected with a sealing body which is combined and sealed between the vacuum double-wall pipe inner pipe and the vacuum double-wall pipe outer pipe. According to the sealing device suitable for the outer pipe of the vacuum double-wall pipe, through combination of the sealing bodies and connection of the bolts, the sealing bodies can seal the connecting position between the inner pipe of the vacuum double-wall pipe and the outer pipe of the vacuum double-wall pipe, and under the action of the first sealing gasket, the second sealing gasket and the third sealing gasket, the connecting position can be blocked.
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Citation Information

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