CN2843954Y - Energy absorber with anticollision and damping functions in engine room of vehicle - Google Patents

Abstract

The utility model discloses an energy absorber with anticollision and damping functions in an engine room of a vehicle, which comprises a frame arranged in the engine room; the frame is arranged in front of an engine body and behind a conventional bumper. A damping device is installed in the frame. A protector of the damping device is arranged in front of the engine body by the utility model. When vehicles are crashed, the impact force generated by the collision is buffered, so that the loss of the collision accident is decreased to the minimum. The utility model which has the advantages of simplicity and easy practicability is suitable for the mechanization production line manufacture of the vehicle, and a collision device from the front can be effectively solved. When collision happens, a bumper of the vehicle is used as primary percussive force and definite energy is consumed. The utility model is used for supporting the second time impact force, and the complementary wave of the external impact force is resisted by rebound force generated by the spring which is compressed to the limit by absorbing the external energy. The exterior of an occupant human body and a frame work of the vehicle can be protected from colliding by the third time collision. The purpose of stifling in the cradle can be obtained, and the occurrence of vital wound of a host machine and the occupant can be avoided.

Description

Crashproof damping energy absorption device in the automobile engine nacelle

Affiliated technical field

The utility model relates to the device that uses on a kind of automobile, relates to crashproof damping energy absorption device in a kind of automobile engine nacelle specifically.

Background technology

China's first one " law on road traffic safety " has been born.This is a marvelous law, has embodied that people-oriented, the purpose of legislation of love life.This law has caused the concern that various circles of society are unprecedented.Various places relevant department also formulates and implements way in full preparation.Undoubtedly, the appearance of this law and enforcement, further the law enforcement behavior and the law enforcement dynamics of standard and reinforcement traffic safety also will improve the sense of security of people's trip widely.Yet, the appearance of the law on road traffic safety and implementing method thereof, and do not mean that our trip just must have safety control.Take a broad view of the situation of human transport development, we are not difficult to draw such conclusion: the traffic safety fundamental turn for the better depends on the constantly perfect of laws and regulations; Depend on pedestrian, self-propelled vehicle, control of traffic and road person's joint efforts; Also depend on advanced science and technology.According to the relevant article of network report: be the World Hygiene Day annual April 7, and this is the World Health Organigation's its establishment in honor of and definite.At the Road Traffic Injury of people's growing interest, the World Health Organigation is defined as " road safety " with the theme of World Hygiene Day first this year, and " road safety takes preventive measures " is defined as the slogan of World Hygiene Day in this year.According to World Health Organigation's statistics, in the reason of human death and morbidity, traffic accident comes the 9th.Expert's prophesy: to the year two thousand twenty, traffic accident causes the rank of people's casualties, will advance to the 3rd, is higher than diseases such as acquired immune deficiency syndrome (AIDS), malaria far away.In China, because of more than 10 ten thousand people, road traffic safety situation sternness are all arranged in every year of traffic accident death.Why " preventing trouble before it happens " as slogan, be that we just can obtain real safety because have only danger is eliminated in bud; Also only accomplish to prevent trouble before it happens, just can when meeting with an misfortune, loss reduce to minimum.The whole world has 1,200,000 people to be killed in an automobile accident every year, and in traffic accident injured and disabled person especially up to the millions of people, wherein the young people and just neck driver's license person account for significant proportion.Last year, traffic accident victim's age in the whole world 50% was at 15 to 24 years old.The economic loss that annual traffic accident causes reaches 5,180 hundred million dollars.China: 667507 of the road traffic accidents of accepting through national public safety traffic management department in 2003, cause that 104372 people's death, 494174 people are injured, direct economic loss reaches 33.7 hundred million yuan.About 1800 of average every day, average every day dead people more than 280.It is global 1.9% that China's automobile pollution only accounts for, but the death by accident number accounts for global about 15%.China has become the most serious country of road traffic accident in the world.Biomechanics expert, wound expert point out study the various impacts that human body stands in great detail in collision process after: traffic accident is not the mono-collision, but the mixing of a succession of bump.At first be that automobile and obstacle bump; For the second time be that human body and automotive interior bump against, wound begins to take place, and rib and thigh bone be fracture at this moment generally; Bump is that human body viscera bumps against with the human external framework that stops suddenly for the third time, and brain bumps against the skull inwall to preshoot at this moment, and heart also can clash into the chest inboard.During mortal wound generally occurs in and clashes into for the third time.In addition, vehicle bumps against that moment often takes place, no matter automotive safety is equipped with what, as long as driving just keeps away unavoidable traffic accident.This is because the speed that people's Vision information processing ability only is suitable for, runs, and when automobile high-speed was driven, this ability was exhibited to the limit.The information that eyes are seen passes to brain, and brain needs 1.5 seconds time to limbs transmission instruction again.During 100 kilometers of automobile speed per hours, meaned from chaufeur and see dangerous situation when tramping with one's feet brake that the dynamic inertia impulsive force of car has been left 41.67 meters in 1.5 seconds.Touching on the brake begins to stop also to car needs 37.3 meters or longer distance.The technical standard of stopping from braking to of various new cars propaganda also has certain distance, simultaneously, car stop moment forward inertial impact force be very large, this is that express highway is got on the car one to hit be exactly a lot of reason.The current bumper/spoiler of popularizing crash energy in more than 10 kilometer of speed per hour guarantees that automobile can not be damaged.Speed per hour collision above 20 kilometers is (because current Federal bumper and bottom girder are direct, thereby be very stiff and demanding, so huge impact power will pass to the bottom girder and itself of automobile) make automobile distortion, distortion equally even seriously damage automobile, thus cause endangering occupant's personal safety and damage to property.Life that brings to the mankind for fear of traffic accident and the huge disaster on the property in the world as advanced persons' such as Germany, Japan, the U.S. car production state, began the research and development of anticollision safety device before 10 years.All drop into a huge sum of money every year.These purposes are to avoid the positive technical research and development of bumping against and knocking into the back and bumping against of automobile, have initiated impact to the safety device of traditional type.At present safety strap, safety air bag, reversing annunciator, the bumper/spoiler of using on the automobile all is safety device, can only be that traffic accident reduces the degree that some are subjected to disaster when having taken place.And anticollision energy absorption device in the cabin is to guarantee fundamentally that when traffic accident takes place driving engine and occupant safety are standard techniques.

Summary of the invention

For overcoming the deficiencies in the prior art, the utility model provides crashproof damping energy absorption device in a kind of automobile engine nacelle, and this coffer is simple in structure, and is with low cost, and in-use performance is reliable, can effectively improve the safety performance of automobile.

The technical scheme that its technical matters that solves the utility model adopts is:

Crashproof damping energy absorption device in a kind of automobile engine nacelle, its structural feature is: comprise one be installed in engine body before, the framework the cabin behind the conventional bumper/spoiler in, installation shock absorption device in this framework.

Said shock absorption device comprises the damping spring seat that is separately fixed in the framework of front and back, and the damping spring seat is provided with the damping spring cover, connects damping spring between the front and back damping spring cover.

Said shock absorption device is between the framework of front and back rubber plate or rubber filling gas tyre to be installed.

Said framework is a lattice window shaped steel plate framework, this framework fixed outside rubber pad.Can adopt the affected framework of plastic-steel or plastic plate.

All be connected with the fixed pedestal bar on said framework and automobile frame and automotive frame and the vehicle bridge frame.

Two ends, said framework front put up and down with machinery space in the both sides automobile frame be connected with before and after sliding feet, the track of sliding feet is fixed in the machinery space on the automobile frame of both sides, and two ends, framework back are put up and down and are connected with mooring anchor with automobile frame and crossbeam or vehicle bridge and fasten.

The beneficial effects of the utility model are, the utility model is with shock absorption device of being made up of damping spring cover, damping spring seat and damping spring of engine body front position design, this shock absorption device is a protection body with elastic shock attenuation, is connected to form integral body with automotive frame and automobile frame; When auto against, realize the impact of generation when buffering bumps against, thereby the loss of collision accident is minimized, and the utility model provides a kind of simple, easy row, is suitable for the manufacturing of automobile mechanical conveyor line, also can effectively solves the crash device from the place ahead.After bumping against, Federal bumper is as the impact first time, consume certain energy, the design accepts impact for the second time, and absorb external energy and make length of spring compressed produce the repercussions of the external impact of bounce opposing to the limit, the generation and the alleviation of human body and automotive interior collision, wound are target to get rid of for the second time; Occupant's human external and car structure did not bump against when bump produced for the third time with protection, and accomplishing to prevent trouble before it happens is purpose, avoids the generation of main frame, occupant's mortal wound.The utility model is provided with collision energy-absorbing device at machinery space; can guarantee that the automobile speed per hour bumps for 100 kilometers is not damaged; because the utility model can deduct huge impact power or shed; and make impulsive force directly pass to the bottom girder and the vehicle body of automobile, adequately protecting, automotive engine can not be damaged, the occupant preserves from.The utility model occupies the space about 5-200mm, and assembling the utility model does not change the outward appearance of automobile.The utility model can reach the crashproof limit effect of speed per hour 120-200 kilometer.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a structural representation of the present utility model.

1. strut bars among the figure, 2. rubber pad, 3. damping spring seat, 4. damping spring cover, 5. damping spring, 6. framework, 7. sliding feet.

The specific embodiment

As shown in Figure 1, crashproof damping energy absorption device in a kind of automobile engine nacelle, comprise one be installed in engine body before, framework 6 in the cabin behind the conventional bumper/spoiler, this framework is a lattice window shaped steel plate framework, this framework fixed outside rubber pad 2, can adopt plastic-steel or plastic plate to make framework, shock absorption device is installed in this framework, this shock absorption device comprises the damping spring seat 3 that is separately fixed in the framework of front and back, the damping spring seat is provided with damping spring cover 4, connect damping spring 5 between the damping spring cover of front and back, said shock absorption device also can be for installing rubber plate or rubber filling gas tyre between the framework of front and back, replace the effect of spring, all be connected with fixed pedestal bar 1 on said framework and automobile frame and automotive frame and the vehicle bridge frame, two ends, said framework front put up and down with machinery space in the both sides automobile frame be connected with before and after sliding feet 7, the track of sliding feet is fixed in the machinery space on the automobile frame of both sides, and two ends, framework back are put up and down and are connected with mooring anchor with automobile frame and crossbeam or vehicle bridge and fasten.

Claims (6)

1, crashproof damping energy absorption device in a kind of automobile engine nacelle is characterized in that: comprise one be installed in engine body before, the framework (6) the cabin behind the conventional bumper/spoiler in, installation shock absorption device in this framework.

2, crashproof damping energy absorption device in the automobile engine nacelle according to claim 1, it is characterized in that: said shock absorption device comprises the damping spring seat (3) that is separately fixed in the framework of front and back, the damping spring seat is provided with damping spring cover (4), connects damping spring (5) between the front and back damping spring cover.

3, crashproof damping energy absorption device in the automobile engine nacelle according to claim 1, it is characterized in that: said shock absorption device is between the framework of front and back rubber plate or rubber filling gas tyre to be installed.

4, crashproof damping energy absorption device in the automobile engine nacelle according to claim 1, it is characterized in that: said framework is a lattice window shaped steel plate framework, this framework fixed outside rubber pad (2).

5, crashproof damping energy absorption device in the automobile engine nacelle according to claim 1 is characterized in that: all be connected with fixed pedestal bar (1) on said framework and automobile frame and automotive frame and the vehicle bridge frame.

6, crashproof damping energy absorption device in the automobile engine nacelle according to claim 1, it is characterized in that: two ends, said framework front put up and down with machinery space in the both sides automobile frame be connected with before and after sliding feet (7), the track of sliding feet is fixed in the machinery space on the automobile frame of both sides, and two ends, framework back are put up and down and are connected with mooring anchor with automobile frame and crossbeam or vehicle bridge and fasten.