CN2185221Y

CN2185221Y - Safety protector for vehicle collision

Info

Publication number: CN2185221Y
Application number: CN 94206739
Authority: CN
Inventors: 李宗录
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-03-08
Filing date: 1994-03-08
Publication date: 1994-12-14
Anticipated expiration: 2004-03-08

Abstract

The utility model discloses a safety protector for vehicle collision whose front bumper is connected with the piston in an oil cylinder by the front bumper supporting rod. The oil cylinder is fixed on a front shaft by a front shaft sleeve. The front end of the connecting rod of the oil cylinder is fixed on the oil cylinder, and the back end is fixed on a back shaft sleeve. A back bumper and the back shaft sleeve are fixedly connected to a back shaft by the back shaft sleeve. The utility model has the advantages that the safety of passengers can be effectively protected when the vehicle collides and the structural design is novel, simple, and special.

Description

Safety protector for vehicle collision

The utility model belongs to the auto against device and makes the field, is mainly used in automobile when bumping, protection driver and personnel's safety by bus.

Background technology of the present utility model is: the automobile in travelling hits on other vehicle or trees, building, the antagonistic force that is collided and produces.Because the antagonistic force direction is opposite with vehicle traveling direction, car body will be squeezed.When the automobile of running at high speed bumped, huge squeese pressure can make car body shorten, and vehicle interior space diminishes, and compartment inwall, bearing circle, seat push mutually, jeopardize driver and conductor's life security.What first was on the hazard when automobile bumped is to be sitting in front-seat driver and conductor, especially driver, shank is subjected to the extruding of compartment forearm often, or chest is subjected to the bearing circle extruding, next be exactly the pincer attack that by bus personnel on the back seat are subjected to front seats and back seats, serious collision case can make driver and conductor's injures and deaths, rejection of car.

Design goal of the present utility model is: provide a kind of when automobile bumps, the automotive crash safety protector of driver and conductor and automotive safety in the protection compartment.

Design plan of the present utility model is: the automotive crash safety protector (is called for short security device; down together); be contained on the automobile; when facing a danger in the running car; narrow as highway pavement; smooth; oncoming vehicle peccancy travels etc. during meeting; the driver pushes the coupling spindle handle to " closing ", and when inevitably collision occurring in a flash, the driver pushes rise from the distributing box bar handle to position at once; open security device; front bumper rises from generation thrust forward, pushes other vehicle to, on trees, the building.In order to prevent automobile to bump, can open security device in advance, make provision against emergencies.Open security device, not only front bumper can produce thrust, can produce bearing force between the bumper/spoiler of front and back, and opposing car body rear end or rear and front end are subjected to the extruding of other vehicle collision.When the automobile that security device is housed bumped, other vehicle tonnage was little or weight of object is light, is then pushed away away or pushes over by the security device front bumper; During thrust that other vehicle or weight of object produce greater than the security device front bumper, back of automobile, but car body is indeformable, guarantee car body at least before and after length constant, the vehicle interior space size is constant, the constancy of volume, protection driver and conductor safety.The automotive crash safety protector is when producing thrust and bearing force, and the high vibration in the time of can reducing collision is protected driver and conductor and automotive safety.

After automobile is loaded onto the collision safety protector; face a danger when bumping in travelling; driver's measure of taking to brake from meeting with an accidet becomes and not only brakes but also open two measures of security device; automobile is passively hit a function and becomes front bumper emersion and produce thrust impact collision thing by brake is out of service, is collided two functions before and after the bearing force defence that produces with the front and back bumper/spoiler.The automotive crash safety protector; front bumper (8) is connected with piston (16) in the oil cylinder (15) by front bumper push rod (9); oil cylinder (15) is fixed on the automobile front axle on (18) by front shaft sleeve (17); the front end of oil cylinder pipe link＜21〉is fixed on the oil cylinder＜15 〉; the rear end is fixedly connected on the rear axle housing＜22 〉; rear bumper＜26〉is captiveed joint with rear axle housing＜22〉by rear bumper strut bar＜25 〉; distributing box＜13〉is positioned at automotive front; and be communicated with hydraulic oil pump＜5〉by hydraulic oil pump oil outlet pipe＜11 〉; be communicated with oil cylinder＜15〉by oil pipe before the distributing box＜14 〉; be communicated with hydraulic reservoir＜28〉by oil return pipe＜34 〉; one end of hydraulic oil pump oil suction pipe＜7〉is communicated with hydraulic oil pump oil inlet＜6 〉; the other end is communicated with the pipe of front bumper frame bar＜9〉by the mouth center with hydraulic reservoir＜28 〉; the inside casing heart of piston＜16 〉, the cylinder center in-line of oil cylinder＜15 〉.

The utility model has the advantages that: can protect automobile driver and conductor's when collision safety effectively, and have novel simple, unique, the practical advantage of structure design.

Description of drawings

Fig. 1 is the structural representation of the structural safety protector of auto against.

Fig. 2 is the structural representation of the control spool of automotive crash safety protector.

Below in conjunction with Fig. 1 and Fig. 2, the structure of automotive crash safety protector is explained.

The automotive crash safety protector is made up of major parts such as coupling spindle handle 1, hydraulic oil pump 5, hydraulic oil pump oil suction pipe 7, front bumper 8, front bumper push rod 9, distributing box 13, oil cylinder 15, oil cylinder pipe link 21, rear bumper strut bar 25, rear bumper 26, hydraulic reservoir 28, oil return pipes 34.Coupling spindle and transmission gear 2, driving engine and gear 3, hydraulic oil pump 5 and gear 4, distribute 13 all to be contained in before the automobile before (head) portion firewall, coupling spindle handle 1 and distributing box bar handle 12 right side, left front in operator's compartment, conveniently be advisable with driver's operation in the position.Front bumper 8, front bumper push rod 9, piston 16 are fixed together.The cylinder barrel center in-line of the pipe internal orifice center of front bumper push rod 9, the cylindrical center of piston 16, oil cylinder 15.Piston 16 is contained in the oil cylinder 15.Oil cylinder 15 and front bumper push rod 9 are inclined upwardly.Being fixed on the automobile front axle 18 of (inclination being suitably standard with front bumper height) with front shaft sleeve 17.Oil cylinder pipe link 21 front ends are fixedly connected on the oil cylinder 15, and the rear end is fixedly connected on the rear axle housing 22.Rear bumper strut bar 25 front ends are captiveed joint with rear axle housing 22, captive joint with rear bumper 26 in the rear end.Rear axle housing 22 is oil cylinder pipe link 21, and rear bumper strut bar 25 is fixed on the rear axle 23.Rear bumper strut bar 25 being fixed on the automobile hind axle 23 of (inclination after bumper height suitable is as the criterion) that be inclined upwardly 2. with rear axle housing 22.Front bumper 8, front bumper push rod 9, oil cylinder 15, oil cylinder pipe link 21, rear bumper strut bar 25, rear bumper 26 are coupled to as a whole, are fixed on automobile front axle 18 and the rear axle 23.Hydraulic reservoir 28 usefulness hydraulic reservoir bracing frames 27 are fixed on the automobile rear bumper strut bar 25.The position is the afterbody left side behind automobile.Hydraulic reservoir oil filling port 33 on afterbody left side outer wall behind the automobile and the position of oil feeding port of automobile gasoline tank afterbody outer right wall behind automobile symmetrical.The upper bottom surface of hydraulic reservoir 28 is close to below the automobile trunk base plate, and a hole is arranged on the base plate, and removable cover is arranged on the hole, after opening removable cover, oil return fil 32 on hydraulic reservoir 28 upper bottom surfaces exposes, and facing to square hole, the size of square hole is advisable with the fil of demolition oil return easily 32.When cleaning oil return fil 32, open the automobile bonnet earlier, raise trunk base plate upper aperture removable cover again and take out.Oil discharge screw 29 is on hydraulic reservoir 28 bottom surfaces, and loosening oil discharge screw 29 can be discharged the oil in the hydraulic reservoir 28 easily.Hydraulic oil pump oil suction pipe 7, oil return pipe 34 are contained in below the automobile bodies base plate.

The parts of automotive crash safety protector except that coupling spindle handle 1 and distributing box bar handle 12, all are contained in the shelter, do not take space in the automobile bodies, and automobile can not dwindle carriage box volume capacity because of the installation shock protector.

Annotate: 1., 2., because of the automobile antero posterior axis is low, insurance Du Gaodu before and after guaranteeing, installation will be inclined upwardly.

Below in conjunction with Fig. 1, Fig. 2, the principle of work of automotive crash safety protector is explained.

Shown in Figure 1, coupling spindle handle 1 is pushed to " closing ", by coupler transmission gear 2 is bound up engine gear 3 and hydraulic oil pump gear 4, hydraulic oil pump 5 work, by hydraulic oil pump oil suction pipe 7 the oil in the hydraulic reservoir 28 from hydraulic oil pump oil inlet 6 inspiration hydraulic oil pumps 5, become high pressure oil.High pressure oil enters distributing box 13 from hydraulic oil pump oil outlet 10 through hydraulic oil pump oil outlet pipe 11.Distributing box 13 mainly is made of housing, guiding valve, bar handle 12 etc.Guiding valve is the oil circuit switch of distributing box, guiding valve is moved to the left or to the right or neutral motionless by bar handle 12, and the control high pressure oil transforms between oil cylinder epicoele, cavity of resorption, make piston 16 forward, motion or slack backward.

Fig. 2 be control spool from neutrality left, the mesohigh circulation of the oil that moves right flows and to the mechanism of piston, also be the change in location process of front bumper.

(1) guiding valve is a center position in shown position, and piston is fixed a certain position:

(2) be moved to the left guiding valve to piston reach position by center position:

Oil cylinder epicoele oil extraction → 46 → 42 → oil sump tank.

(3) move right guiding valve to the piston backspacing a position by center position:

Oil cylinder cavity of resorption oil extraction → 47 → 42 → oil sump tank

Make guiding valve sway in distributor body by the distributing box bar handle; to high pressure oil at the oil cylinder epicoele; flow between the cavity of resorption and control; to piston carry out reach, after move; stop the control that three positions transform; finally reach to piston 16 direct coupled front bumper push rods 9; the control of bonded assembly front bumper 8 emersions indirectly, withdrawal, neutral three change in location; realize that the automotive crash safety protector produces thrust support power; keep thrust support power, eliminate the function of thrust support power.

In the automotive crash safety protector distributing box 13 slide valve spring is housed, make guiding valve from emersion or retrieving position can both self-return to center position.During use, earlier coupling spindle handle 1 is pushed to " closing ", primer fluid pressure oil pump 5, then distributing box bar handle 12 is pushed to " liter ", make front bumper 8 be raised to a certain length that needs, stop to push away distributing box bar handle 12, slide valve spring makes the guiding valve self-return to center position, front bumper 8 rests on this position, and front bumper 8 is regained, and distributing box bar handle 12 is pulled to " receipts ", front bumper 8 is recovered to a certain length that needs, stop to draw distributing box bar handle 12, slide valve spring makes the guiding valve self-return to center position, and front bumper 8 rests on this position.When closing; if front bumper 8 is in certain position neutrality of emersion; should pull to " receipts " to distributing box bar handle 12; front bumper 8 is all regained; again coupling spindle handle 1 is pulled to " from ", making transmission gear 2 and engine gear 3 by coupling spindle, hydraulic oil pump gear 4 leaves; hydraulic oil pump 5 is closed, and the automotive crash safety protector quits work.Can make automotive crash safety protector periodical duty by above program repeat operation.

The first half of automotive crash safety protector---front bumper 8; front bumper push rod 9; piston 16 and latter half---oil cylinder 15, oil cylinder pipe link 21; rear bumper strut bar 25,26 one-tenth of rear bumpers are as a whole, are installed in automobile front axle 18; on the rear axle 23; equal to have increased with two steel pipes (9.15.21.25 and a corresponding side) to car chassis and make longeron, former and later two bumper/spoilers (8.26) are made the framework of crossbeam, have strengthened the function of anti-deformation in the auto against.The automotive crash safety protector is divided into former and later two parts from structure; the connecting portion of leading portion and trailing portion is between piston 16 and oil cylinder 15 cylinder barrels hydraulic oil to be arranged; the pressure and the liquid proterties of oil; increased elasticity; can reduce front bumper 8; when being collided, rear bumper 26, reduces the secondary action of vibration to automobile and occupant to the high vibration of car body.

The length and width yardstick of automotive crash safety protector; front bumper rises receives distance; the big I of thrust support power is according to the needs design of different model car body; both can be designed for the small-sized collision safety protector of miniature car, also can design the large-scale collision safety protector that is applicable to full-sized car (passenger vehicle, truck).

The hydraulic oil pump of automotive crash safety protector, main parts size such as distributing box, oil cylinder, fuel tank, bumper/spoiler, volume are little, and are installed in outside shelter, compartment, do not change car conour, do not reduce the volume in the compartment, do not reduce the staffing number of automobile; In light weight, not quite amplitude increase automotive dead weight, and weight is born by the automobile antero posterior axis, and center of gravity is low, can increase the automobile stability; The manufacturing process maturation, equipment is ready-made, and the producer that can produce automobile, hoisting crane, tractor hydraulic system both at home and abroad can both make.The main parts size material source is extensive, with high-test metal material and plastics manufacturing.

Automotive crash safety protector volume is little; in light weight, compact conformation; power is big; the thrust support power that produces is big; automobile is easy to install; can ensure driver and conductor and vehicle safety conscientiously when crashing in the driving, be applicable to that the automobile of domestic and international various models and power actuated vehicle use, be applicable to that equally also aircraft, train, steamer use.Exploitation automotive crash safety protector series of products can have a tremendous social and economic benefits.

Remarks: distributing box bar handle 12 is corresponding with three positions of I II III among Fig. 1 when " liter ", " neutrality ", " receipts " three positions.

Claims

1; a kind of automotive crash safety protector; it is characterized in that: front bumper (8) is connected with piston (16) in the oil cylinder (15) by front bumper push rod (9); oil cylinder (15) is fixed on the automobile front axle on (18) by front shaft sleeve (17); oil cylinder pipe link＜21〉front end be fixed on oil cylinder＜15 on; the rear end is fixedly connected on rear axle housing＜22〉on; distributing box＜13〉be positioned at automotive front; and by hydraulic oil pump oil outlet pipe＜11〉with hydraulic oil pump＜5 be communicated with; by oil pipe before the distributing box＜14〉with oil cylinder＜15 be communicated with; by oil return pipe＜34〉with hydraulic reservoir＜28 be communicated with hydraulic oil pump oil suction pipe＜7 an end and hydraulic oil pump oil inlet＜6 be communicated with; the other end and hydraulic reservoir＜28〉be communicated with.

2, automotive crash safety protector according to claim 1,

It is characterized in that: the pipe internal orifice center of front bumper frame bar＜9 〉, the post center, garden of piston＜16 〉, the cylinder barrel center in-line of oil cylinder＜15 〉.