Sealing plug of wire harness connector

By designing expansion rings and link components in the sealing block of the wire harness connector, the problem of sealing gaps caused by swing of the vehicle wire harness is solved, and better waterproofing and wiring harness protection are achieved.

CN222673428UActive Publication Date: 2025-03-25HENAN FANGYUAN ELECTROMECHANICAL CO LTD
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Patent Information

Application Number
CN202420822962.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-19
Publication Date
2025-03-25
Estimated Expiration
2034-04-19

AI Technical Summary

Technical Problem

When the car wiring harness swings, the existing seals can easily create gaps with the connector, affecting the waterproofing effect.

Method used

A sealing block for a wire harness connector is designed, including a sealing blocking body, a blocking frame, an expansion ring, a sealing ring, an elastic tube and link components. The expansion ring expands inwardly when it encounters water, and compresses the gap inward; the link components pass through the swing rod and pressing wheel structure to buffer the swing of the wire harness to avoid friction and wear.

Benefits of technology

It effectively prevents water from entering the sealing block, extends the service life of the sealing block, maintains the stability of the waterproof function, and avoids wear of the wire harness.

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Abstract

The utility model relates to the technical field of wire harness connectors, in particular to a sealing plug of a wire harness connector, which comprises a sealing plug body, a waterproof component is arranged in the sealing plug body, the waterproof component comprises an expansion ring, a plug frame is arranged at the front end of the sealing plug body, the expansion ring is arranged on the inner wall of the plug frame, and the expansion ring is arranged on the inner wall of the plug frame. A plurality of link components are uniformly arranged on the plug frame, each link component comprises a swing rod which is pressed to rotate inwards, and a pressing wheel corresponding to the wire harness is arranged at the front end of each swing rod, so that the problems that when the automobile wire harness in the prior art swings, a gap is easily generated between the sealing plug and the connector, and the waterproof effect is influenced are effectively solved.
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