Patent ID: 11873663
Assignee: SMART ELECTRONIC INDUSTRIAL (DONG GUAN) CO., LTD.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 5:
6. The door lock device of claim 5, further comprising:
a second pushing plate;
a third gear meshed with the rack; and
a second return block coaxially fixed to the third gear,
wherein, the second return block is provided with a second protrusion, and the second push plate elastically presses the second protrusion; the second protrusion has two intersecting second pressing surfaces, and the second pushing plate has a second pushing surface that is matched with the second pressing surfaces;
when the deadbolt body is in the extended state, the second protrusion is pressed by the second pushing plate to be in a third holding position; and when the deadbolt body is in the retracted state, the second protrusion is pressed by the second pushing plate to be in a fourth holding position.