Seal assembly in concrete drain pipe

A technology for sealing components and drainage pipes, which is applied in the direction of pipes/pipe joints/fittings, passing elements, sleeves/sockets, etc., which can solve problems such as poor stability and achieve high sealing stability

Active Publication Date: 2017-05-10
浙江宏泰构件股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the existing concrete pipes are connected in series, an external sealing device needs to be used to seal the connection.
Moreover, the above-mentioned sealed connection is exposed, resulting in relatively poor stability

Method used

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  • Seal assembly in concrete drain pipe

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Embodiment Construction

[0030] Such as figure 1 As shown, the sealing assembly in the concrete drainage pipe, the concrete drainage pipe includes a long tubular body 1, the end of the body 1 has a concave connection seat 1a, the sealing assembly is located at the end of the body 1, including a sealing ring 2 and seal ring two 3, the seal ring one 2 and seal ring two 3 are both flexible materials and have a connection structure that can make them tightly connected between the two. When two adjacent bodies 1 are connected in series, the above seal rings A 2 and a sealing ring 2 3 are tightly pressed between the two bodies 1 .

[0031] The bottom of the connection base 1a has a protruding convex edge 1a1, and the sealing ring 1 has a concave shoulder 2a matching the convex edge 1a1, and the convex edge 1a1 is embedded in the concave shoulder 2a.

[0032] The outer edge of the seal ring 2 3 has a guide edge 3a that smoothly transitions from the edge to its center, and the end of the body 1 has a guide p...

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PUM

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Abstract

The invention provides a seal assembly in a concrete drain pipe. The seal assembly in the concrete drain pipe belongs to the field of mechanical technique, and solves the problem of low stability in the prior art. According to the seal assembly in the concrete drain pipe, the concrete drain pipe comprises a long-tubular body; a concave connecting seat is arranged on the end part of the body; the seal assembly is located at the end part of the body and comprises a seal ring I and a seal ring II; the seal ring I and the seal ring II are made of flexible materials; a connecting structure for tightly connecting the seal ring I and the seal ring II is arranged between the seal ring I and the seal ring II; and when two adjacent bodies are connected in series, the seal ring I and the seal ring II are tightly pressed between the two bodies. The seal assembly in the concrete drain pipe is high in stability and good in sealing performance.

Description

technical field [0001] The invention belongs to the technical field of machinery and relates to a sealing assembly in a concrete drainage pipe. Background technique [0002] Drainage pipes are mainly responsible for the drainage of rainwater, sewage, farmland irrigation and drainage. Drainage pipes are divided into plastic drainage pipes, concrete pipes (CP) and reinforced concrete pipes (RCP). [0003] Concrete pipes are widely used due to their low cost and good corrosion resistance. [0004] However, when the existing concrete pipes are connected in series, an external sealing device needs to be used to seal the joints. Moreover, the above-mentioned sealed connection is exposed, resulting in relatively poor stability. Contents of the invention [0005] The object of the present invention is to solve the above problems in the prior art, and provide a sealing assembly in a concrete drainage pipe with high sealing performance and compact structure. [0006] The purpose...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L21/03
CPCF16L21/03
Inventor 严法明
Owner 浙江宏泰构件股份有限公司
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