Seat flip base

Abstract

The invention discloses an overturning underframe of a seat. The overturning underframe of the seat comprises a seat bracket, a locking mechanism, two supporting sliding mechanisms, and two bases fixed on a car body, wherein the bases are provided with bracket seats and supporting seats; locking grooves are arranged between the bracket seats and the supporting seats; the bracket seats are provided with locking blocks; the two foot ends of the seat bracket are respectively hinged on the bracket seats; one ends of the supporting sliding mechanisms are hinged on the supporting seats; the other ends of the supporting sliding mechanisms are fixed on the corresponding side of the seat bracket; the locking mechanism is movably arranged on the seat bracket; the supporting end of the locking mechanism is pressed on the locking blocks; and the limiting end of the locking mechanism is locked in a locking slot, and is connected with a locking switch. According to the overturning underframe of the seat, the seat bracket is fixed on the base by the locking mechanism, so that the seat is fixed and the safety of a passenger is guaranteed; when the passenger wants to get on or get off the car, the locking mechanism can be loosened by a limiting mechanism, so that the seat bracket can be overturned forwards, a channel space of a front door or a middle door is enlarged and the passenger is convenient to get on or get off the car.

Description

technical field [0001] The invention relates to a seat reversing base frame, which is applied in the technical field of seat support structures and other reversing equipment. Background technique [0002] The seats on the existing passenger cars are all fixed positions, and it can only reduce the space occupied by the seats by adjusting the inclination of the backrest through the adjusting mechanism of the seat. However, due to the position limitation of the front door or the middle door, even if the seat is fixed, a certain aisle space is occupied, which brings inconvenience to passengers getting on and off the car. If the number of seats on the front door or the middle door is reduced, it will affect the loading capacity of the passenger car. Contents of the invention [0003] In order to overcome the deficiencies in the prior art, the present invention provides a seat reversing underframe suitable for the front door or middle door of passenger cars. [0004] The prese...

AI Technical Summary

Problems solved by technology

However, due to the position limitation of the front door or the middle door, even if the seat is fixed, it still occupies a certain space in the aisle, which brings inconvenience to passengers getting on and off the car

If the seats of the front door or the middle door are reduced, it will affect the loading capacity of the passenger car

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