A Hydraulic Hinge Device for Slowly Opening Automobile Doors

Abstract

The invention discloses a hydraulic hinge device for automobile door slow opening. The hydraulic hinge device comprises a fixing assembly, a first pin shaft, a rotary assembly, a second pin shaft, a piston connecting rod, a manometric spring, a limiting screw, a piston, a hydraulic cylinder and a sealing ring. The hydraulic cylinder is arranged in the fixing assembly. The rotary assembly is hingedto the fixing assembly through the second pin shaft. The rotary assembly is hinged to the piston connecting rod through the first pin shaft. The piston connecting rod penetrates through the top of the hydraulic cylinder. The manometric spring is arranged in the lower end of the piston connecting rod. The piston is arranged at the inner top end of the hydraulic cylinder. The limiting screw penetrates through the manometric spring through a limiting hole to fix the piston to the piston connecting rod. A piston rod penetrates through a clamping groove. Through the device, different opening resistances can be generated along with changes of opening speeds, meanwhile, and damages to an automobile body and an automobile door caused by door slamming can be avoided through hydraulic buffer; and the beneficial effect that persons in an automobile open the door slowly can be achieved, and the traffic accidents caused by sudden opening of the automobile door are avoided.

Description

technical field [0001] The invention relates to an automobile door hinge, in particular to a hydraulic hinge device for slowly opening an automobile door, and belongs to the technical field of automobile equipment. Background technique [0002] With the increase in car ownership, in recent years, traffic accidents caused by improper opening of car doors have gradually increased. There is no way to avoid a head-on collision, and the existing automobile door hinges mostly adopt the movement mode of natural opening or mechanical setting of opening resistance, which is difficult to achieve the purpose of slowly opening the door. [0003] The issue of car safety has always been the focus of widespread attention in the global auto industry. In recent years, news about traffic accidents caused by car doors has been published on the Internet. Get out of the car without paying attention to the surrounding traffic conditions, and suddenly open the door, resulting in a head-on collisi...

AI Technical Summary

Problems solved by technology

[0002] With the increase of car ownership, in recent years, traffic accidents caused by improper opening of car doors have gradually increased. It is impossible to avoid a head-on collision in time, and most of the existing car door hinges adopt natural opening or mechanical setting of opening resistance movement mode, which is difficult to achieve the purpose of slowly opening the door

[0003] The issue of car safety has always been the focus of widespread attention in the global auto industry. In recent years, news about traffic accidents caused by car doors has been published on the Internet. These accidents mainly occurred between small cars and other motor vehicles, mostly because Get out of the car without paying attention to the surrounding traffic conditions, and suddenly open the door, resulting in a head-on collision with a motor vehicle driving at a short distance behind without time to avoid it. However, the traditional mechanical simple hinge is the most widely used on the market, and the speed of opening the door depends on the speed of the hand. The moment of action on the door is determined by the size of the moment, which cannot avoid a collision accident or reduce the consequences of a collision accident; and the existing mechanical setting of the opening resistance car door hinge will cause serious injury when it is too late to avoid the motor vehicle hitting the door , and the rigid contact of the parts will greatly shorten the service life of the hinge, and it is difficult to achieve the effect of long-term slow opening of the door

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