Joint for hdpe reinforced sprial pipe

By introducing a combination structure of mounting plate, slider, guide rod, spring, fixing block and clamp in HDPE reinforced spiral pipe joint, the problem of loose threaded connection is solved, the joint achieves stable connection and sealing effect, and improves connection reliability.

CN224533721UActive Publication Date: 2026-07-21FUJIAN HONGYUTONG PIPE IND TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN HONGYUTONG PIPE IND TECHNOLOGY CO LTD
Filing Date
2025-09-28
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing HDPE reinforced spiral pipe joints are prone to loosening at the threaded connection due to thermal expansion and contraction or vibration, resulting in insufficient connection reliability.

Method used

It adopts a combination structure of mounting plate, slider, guide rod, spring, fixing block, clamping rod and clamping groove. The slider and clamping rod cooperate to achieve effective limiting of the nut, and the sealing ring and corrugated rubber sleeve prevent moisture and debris from entering, thus enhancing the reliability of the connection.

Benefits of technology

It effectively prevents the nut from loosening due to external force, improves the reliability and practicality of the connection, and ensures the stability of the joint under various environmental conditions.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224533721U_ABST
    Figure CN224533721U_ABST
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Abstract

This utility model belongs to the field of joint technology, specifically a joint for HDPE reinforced spiral wound pipe. It includes a horizontally arranged sleeve and nuts fitted onto both ends of the sleeve. The nuts are threaded to the sleeve. A horizontally arranged mounting plate is fixedly connected to the upper side wall of the sleeve. The mounting plate has a horizontally arranged sliding groove. Sliding blocks are slidably connected to the inner side wall of the sliding groove near the left and right edges. A locking rod is fixedly connected to the opposite side of each of the two sliding blocks. Multiple locking slots corresponding to the locking rods are arranged in a ring on the end of the nut facing the mounting plate. A horizontally arranged guide rod is slidably inserted into the opposite side of each of the two sliding blocks. A fixing block is fixedly connected to the opposite end of each of the two guide rods. This utility model, through the design of the sliding blocks and locking slots, can limit the connection after the nut and sleeve are connected, preventing loosening and thus improving reliability and practicality.
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