Washing machine door switch

By designing the fit between the housing and linkage in the washing machine door switch, the problem of insufficient durability and stability of the dynamic contact and static contact plates in the prior art is solved, and stronger durability and stability are achieved, ensuring the accuracy and safety of the door closed state.

CN119753996APending Publication Date: 2025-04-04YUEQING DONGNAN ELECTRONICS
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Patent Information

Application Number
CN202510258537.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-06
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

The dynamic and static contact plates of existing washing machine door switches lack protection, are weak in durability, and are prone to separation due to vibration, affecting the door closed state and safety.

Method used

A washing machine door switch including a shell, an inner cavity, a swing member and a linkage is designed. The static contact piece and the movable contact piece are arranged in the inner cavity of the shell. Through the cooperation of the swing member and the linkage, the movable contact piece is pressed on the static contact piece under the driving of the linkage, which enhances the protection and stability of the contact piece.

Benefits of technology

Through the protection of the housing and the elastic expansion and contraction mechanism of the linkage, the durability and stability of the movable and static contact plates are enhanced, the separation problems caused by vibration are avoided, and the accuracy and safety of the door closed state are ensured.

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Abstract

The present invention provides a washing machine door switch, comprising a housing, a static contact piece and a moving contact piece are arranged on the housing, an inner cavity, a swinging member and a linkage member are arranged on the housing, the static contact piece and the moving contact piece are arranged in the inner cavity, one end of the swinging member forms a transmission match with the washing machine door, the other end of the swinging member is swingably connected to the housing, the linkage member is penetrated on the housing, the linkage member is elastically telescopically arranged, the lower end of the linkage member is abutted against the moving contact piece, the upper end of the linkage member is arranged on the movement path of the swinging member, and the linkage member can press the moving contact piece against the static contact piece under the drive of the swinging member. In view of the shortcomings of the prior art, the present invention provides a washing machine door switch with strong stability and better durability.
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