Spring lock and vehicle using spring lock

Abstract

The invention relates to a spring lock and a vehicle using the spring lock. The spring lock comprises a lock base, a spring bolt and a self-locking spring used for keeping the spring bolt at an unlocking position or a locking position. The spring bolt comprises a lock hook used for being matched with a lock catch on a vehicle body framework in a locking mode and a crank arm connected with the self-locking spring through a pin shaft. The spring bolt is assembled on the lock base in a swinging mode through a hinge shaft arranged at the joint of the lock hook and the crank arm, the spring lock further comprises a locking rod which is movably arranged in the direction parallel to the axis of the pin shaft, and the locking rod is provided with a blocking position matched with the spring bolt ina blocking mode to prevent the spring bolt from moving towards the unlocking position and a receding position matched with the spring bolt in a blocking mode. The spring lock further comprises an elastic piece for driving the locking rod to move towards the blocking position, and when the spring bolt is located at the unlocking position, the locking rod can elastically abut against the connectinglever and / or the pin shaft under the action of the elastic piece. The vehicle comprises a front overhead door, and the spring lock is arranged on the front overhead door. According to the technical scheme, the opening risk caused by opening of the front overhead door in the running process of the vehicle is avoided.

Description

technical field [0001] The invention relates to a latch and a vehicle using the latch. Background technique [0002] Most of the front flap doors of existing passenger cars adopt latches to be locked on the car body frame of the passenger car. The structure of the latch on the common front flap is as follows: figure 1 As shown, the latch includes a lock seat and a dead bolt 5 hinged on the lock seat. The lock seat includes a base plate 1 fixed on the front flap door of a passenger car and vertical plates 2 fixed on both sides of the base plate 1. Two vertical plates 2 There are an upper hinge shaft 6, a pin shaft 7 and a lower hinge shaft 8 in sequence, and the dead bolt 5 is hinged between the two vertical plates 2 through the upper hinge shaft 6. Such as figure 2 As shown, the lock tongue 5 includes a lock hook 19 and a crank arm 20 fixedly connected thereto, and the pin shaft 7 passes through the crank arm 20 . The vertical plates 2 on both sides are correspondingly ...

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a latch, which solves the problem that the car is prone to safety risks during driving; the object of the present invention is also to provide a vehicle using the latch, which solves the problem that the front flap door is easy to open during the driving of the vehicle. problems that pose safety hazards

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