Lock mechanism and automobile seat comprising same

Abstract

The invention discloses a lock mechanism. The lock mechanism comprises a cushion movable side board and a cushion fixed side board hinged to the cushion movable side board; the lock mechanism furthercomprises a limiting baffle, a lock pin and a lock pulling mechanism, wherein the limiting baffle is fixedly connected with the cushion fixed side board and provided with a lock hole; the lock pin isarranged on the cushion movable side board and clamped into the lock hole along with turning up of the cushion movable side board so that locking of the lock mechanism can be achieved when a seat is turned upwards; the head of the lock pulling mechanism is connected with the tail of the lock pin, and by pulling the lock pulling mechanism upwards, the lock pin is pulled out from the lock hole so that unlocking of the lock mechanism can be achieved; the plug pin type lock mechanism is simple in structure, small in part quantity and reliable in lock function; and manual unlocking is conducted after a passenger on the third row sits down or gets out completely, and safety and reliability are achieved.

Description

technical field [0001] The invention relates to a locking mechanism and a car seat containing it. Background technique [0002] With the development of automobiles, for SUVs and MPVs with three rows of seats, passengers need to flip up the second row of seats and move forward to make enough space to enter the third row. At present, the second-row seats of some SUV and MPV models have the problems of complex structure, many parts and high space requirements. At the same time, when the passenger enters the third row, the seat back of the second row is first turned up, and then the seat is moved forward through the slide rail, so that the passenger has enough space to enter and exit the third row. The existing seat back needs to be automatically unlocked by sliding backwards on the slide rail when it is turned down. However, passengers who enter and exit are likely to use hand force on the seat back, so that the turned-up seat back is unlocked in advance and turned down. Caus...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the seat back in the prior art when the passenger gets in and out of the seat, the seat back is forced on the seat back by hand, so that the turned-up seat back is unlocked in advance and turned down, thereby opening the seat back. To the footsteps of passengers entering and exiting, there are defects such as potential safety hazards, and a locking mechanism and a car seat including the same are provided

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