Refueling or Charging Port Door Lock Assembly
AssigneeIllinois Tool Works Inc.
InventorsJianwei Bai, Yifan Wang
Life of this patent
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Abstract
A door lock assembly includes a housing having a hollow structure, a lifting shaft provided inside the housing, a driving spring, and a buffering device. A top end of the lifting shaft is configured for assembling a refueling or charging port flap, the lifting shaft being slidably engaged with the housing along a first portion and threadably engaged with the housing along a second portion. One end of the driving spring is fixed and the other end abuts against the lifting shaft for driving the lifting shaft to move relative to the housing. The buffering device provides a buffering function in the when the lifting shaft is threadably engaged with the housing.
Claims10
A door lock assembly, comprising:
- a housing having a hollow structure;
- a lifting shaft provided inside the housing, with a top end of the lifting shaft being configured for assembling a refueling or charging port flap, the lifting shaft being rotationally fixed and linearly movable relative to the housing along a first portion and threadably engaged with the housing along a second portion;
- a driving spring, wherein one end of the driving spring is fixed, and the other end thereof abuts against the lifting shaft for driving the lifting shaft to move relative to the housing;
- and
- a buffering device configured to provide a buffering function as the second portion moves relative to the housing.
Dependencies are inferred from the claim text.