Household electrical appliance door lock device comprising switch device

By designing a switch device including a switch rod, a spring and a terminal in the door lock device of the home appliance product, the problem of insufficient durability of the switch device in the prior art is solved, and a more stable and reliable door lock function is achieved.

CN120077186APending Publication Date: 2025-05-30DUAL POWER ELECTRONICS CO LTD
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Patent Information

Application Number
CN202280101131.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2022-10-24
Filing Date
2022-10-31
Publication Date
2025-05-30

AI Technical Summary

Technical Problem

In the existing door lock devices of home appliance products, the durability of the switch devices is insufficient, resulting in unnatural connection and release between contact terminals, affecting the stability and reliability of the door lock device.

Method used

A switching device including a switching rod, a first spring, a first terminal, a second terminal, a connecting terminal and a second spring is designed to provide a restorative force through the first spring and the second spring to ensure linear movement of the switching rod and stable transmission of signals.

Benefits of technology

It improves the durability of the door lock device, reduces the risk of errors in switching, ensures the stability and reliability of the door lock device, and reduces the failure rate.

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Abstract

The present invention relates to a door lock device, and the door lock device according to an embodiment of the present invention comprises: a body housing having a space formed therein; the motor is arranged in the body outer cover and used for providing driving force; the opening and closing device comprises an opening and closing lever, one end of which faces the direction of the door; a first spring that provides a restoring force to the switch lever in one direction; the first terminal and the second terminal serve as conductive terminals, are arranged in a mutually separated mode and are used for generating or blocking connection signals; the connecting terminal is arranged between the first terminal and the second terminal and is used for connecting or disconnecting the two terminals; and a second spring attached to the connection terminal for providing a restoring force in a direction opposite to that of the first spring.
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Claims

1. A door lock device, comprising: The body housing forms a space inside; The motor is arranged inside the body housing and is used to provide driving force; And a switch device, characterized in that the switch device includes: The switch rod, one end facing the direction of the door; The first spring provides a restoring force to the switch rod along a direction; The first terminal and the second terminal are arranged separately as conductive terminals and are used to generate or block a connection signal; The connection terminal is arranged between the first terminal and the second terminal and is used to connect or disconnect the two terminals; and The second spring is attached to the connection terminal and is used to provide a restoring force in a direction opposite to that of the first spring.

2. The door lock device according to claim 1, characterized in that: The switch rod includes: The main body is in direct contact with the door; The slide rail is used to guide the linear movement of the main body; The spring receiving hole is used to receive the first spring; and The protruding strip is attached to one side of the main body and is in contact with the connection terminal.

3. The door lock device according to claim 1, characterized in that One ends of the first terminal and the second terminal form a "匚”-shaped hook shape, The connection terminal includes: The coupling part is coupled with the second spring; and A pair of wing pieces are formed on both sides of the coupling part, The pair of wing pieces are linearly moved through the space between the hook-shaped terminals at one ends of the first terminal and the second terminal to connect or disconnect the first terminal and the second terminal.

4. The door lock device according to claim 3, characterized in that: The connection terminal includes a groove part recessed in a manner of coupling the second spring.

Citation Information

Patent Citations

  • Door-lock Apparatus of Push and Push

    KR101667916B1

  • Manual door lock

    KR101915250B1

  • Electrical switch, particularly of microswitch design

    US8193461B2

  • Press button switch

    CN101728102A

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    CN103943398A