A durable limiter for vehicles

Abstract

The invention belongs to the technical field of car door stoppers, in particular to a durable stopper for vehicles, which includes a mounting bracket, a limiter box, a rubber buffer block, a limiter arm, and a clamping mechanism. The working states of the spring and the lower side compression spring are different, and the limiting plane of the limiting protrusion on the lower side of the limiting arm is designed. When the lower side roller passes the limit plane, the limit plate will bear the redundant compression elastic force of the upper side compression spring relative to the lower side compression spring, while the first gear continues to remain stationary. On the one hand, the use of the limit plate ensures that the compression amount of the upper compression spring is higher than that of the lower compression spring, which meets the technical requirements of different working states of the upper and lower compression springs; on the other hand, when the limit box is not matched with the limit protrusion , after the elasticity of the upper compression spring becomes weaker, the upper mounting plate is slightly moved downwards away from the limit plate under the action of force balance, so that the second rack can pass through the limit box to ensure the normal operation of the subsequent adjustment process.

Description

[0001] Technical field [0002] The invention belongs to the technical field of vehicle door stoppers, in particular to a durable stopper for vehicles. Background technique [0003] At present, when the vehicle is manufactured, a door stopper, a rubber spring stopper and a torsion spring stopper are installed on the car door. The car door stopper generally has the following two functions: one is the stopper arm Set 2-3 arc belts on the top, so as to form switch gears at the nodes of the arc belts and arc belts, so that the door has 2-3 positioning points during the opening and closing process; the second is to ensure that the car is on the specified ramp. It can ensure that the door stops at a certain fixed point and does not open or close by itself; The advantages of this structure are simple structure, low cost, small footprint and maintenance-free. The disadvantage is that the requirements for sheet metal are relatively high. If the strength of the hinge is not enough, th...

AI Technical Summary

Problems solved by technology

The disadvantage is that the requirements for sheet metal are relatively high. If the strength of the hinge is not enough, the door sinks, which may cause abnormal noise. After running for a period of time, the limit torque will decrease rapidly.

[0004] For the rubber spring type limiter, the door limiter of this structure generally has two or three gears, its maximum torque is about 35N.m, its length is generally about 60mm, and its maximum opening angle is generally below 70 degrees. After the test, the torque change is about 30%-40%; but the limit force loss is relatively large. After a long time of use, the elastic force of the spring or rubber will weaken, which will affect the overall performance of the vehicle.

Images