CN2048831U

CN2048831U - Passenger protection device

Info

Publication number: CN2048831U
Application number: CN 89206293
Authority: CN
Inventors: 胡齐甲
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-04-28
Filing date: 1989-04-28
Publication date: 1989-12-06

Abstract

The utility model relates to a passenger protection device on the vehicle, which comprises a lever gearing mechanism, a seat backward shift mechanism, and a guide frame. The power of the seat backward shift mechanism can use springs, can also use the high-pressure gas of the vehicle or the high-pressure gas produced from the ignited gunpowder. When the vehicle crash happens, the seat backward shift mechanism is stimulated by the lever gearing mechanism, and a safety belt is cooperatively used to make the passenger leave dangerous place quickly. The utility model has the advantages of simple structure, and safety.

Description

Passenger protection device

The utility model relates to a kind of automotive occupant fender guard.

The device that is used at present the passenger protection aspect both at home and abroad has two kinds, and a kind of is to utilize with seat bonded assembly safety to bring occupant restraint, prevents that the occupant from hitting steering handwheel, gauge panel, Windshield etc.Another kind is in occupant the place ahead air cushion to be set, and air cushion is heaved rapidly when colliding, thereby reaches protection occupant this purpose, and its structure is made up of sensor, gas generator, air cushion three parts.Though above-mentioned two kinds of devices can be brought into play the part protective effect, because of when colliding, the occupant can not be completely free of the injury to the occupant near steering handwheel, gauge panel, Windshield, joystick, stretcher etc. eventually.

The purpose of this utility model provide a kind of can be in the moment of colliding, make the speed away occupant protection system in dangerous space, the place ahead of occupant.

The purpose of this utility model takes following technical scheme to realize that it includes seat and safety strap, and particularly it also includes moving mechanism and guide frame behind lever transmission mechanism, the seat.Moving mechanism is fixed on the below of seat behind the seat, and it can adopt moving device after the spring cartridge type, also can adopt moving device behind the piston type, and moving device can utilize the high pressure gas that gunpowder produces or utilize the high pressure gas that store in the car to be power behind the piston type.Moving mechanism is contained on the guide frame by its wheel 22 behind the seat.

Principle of work of the present utility model is as follows, and when take place colliding, leverage is subjected to impact, by the action of lever percussion chair mechanism, moves after making seat, combines with using of seat belts in addition, makes the speed away dangerous space in the place ahead of occupant.

The utility model is described in further detail below in conjunction with drawings and Examples:

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

Fig. 2 is moving mechanism and a guide frame birds-eye view behind the seat;

Fig. 3 is the A-A section-drawing of Fig. 2;

Fig. 4 is a moving device structural representation behind shell case, the firing pin type piston;

Fig. 5 for adopt body inner height calm the anger body as the seat of power after the moving mechanism scheme drawing;

Fig. 6 is a seat normal position scheme drawing;

When being collision, moves Fig. 7 the back scheme drawing behind the seat;

In Fig. 1, lever transmission mechanism is made up of the slide bar 6 of safety lever 1, piston rod 2, piston barrel 3, push rod 4, double-arm lever 5, an end band pulley 18.Safety lever 1 and piston rod 2 are for being welded to connect.Double-arm lever 5 is fixing by rotating shaft 17, and double-arm lever one end contacts with push rod 4, and the other end contacts with the pulley 18 of slide bar 6 by its curved surface.One end of slide bar 6 contacts with preceding kayser 8 on being installed in guide frame.

Moving mechanism is by front end cover 7, spring strut 9, spring 11, spring verge ring 10 behind the seat among Fig. 1, and spring gives accent part composition.Front end cover 7 is fixed on the truck board, and spring strut 9 downsides have two kayser faces, matches with front and back kayser 8,15 respectively, and during the kayser face, spring 11 is compressed before preceding kayser 8 snaps in, and the horizontal Cylinder part of front end cover 7 is inserted in spring strut 9 front portions.The front end of spring 11 is equipped with spring verge ring 10, and the rear end of spring 11 is equipped with spring and is given accent spare, and spring gives transfers part to form by adjusting screw rod 14 and bearing 13.

Guide frame shown in Fig. 1-3 is made up of guide rail 23, guard net 24, preceding kayser 8, back kayser 15; buffering blob of viscose 16 is equipped with in the guide rail rear and front end; preceding kayser 8 is fixing by axle 19; spring 20 is equipped with in bottom, its rear end; back kayser 15 is fixing by axle 21; its front bottom end is equipped with spring 20, and guard net 24 is installed in guide rail 23 rear ends, and its angle of inclination is consistent with back of seat.

The working process of occupant protection system shown in Figure 1 is as follows: kayser 8 blocks the preceding kayser face below the spring strut 9 at ordinary times under the effect of spring 20, and spring 11 is compressed, and seat 12 is positioned at the place ahead (as shown in Figure 6).When taking place to collide, move behind bumper/spoiler 1 and the piston rod 2, the aft end face that thick stick 1 is protected in the danger bar 4 that bears down on one moves backward, force both arms type lever 5 to rotate along axle 17, the pulley 18 on slide bar 6 tops also moves backward along the curved surface rolling of double-arm lever 5, kayser 8 clockwise rotated around axle 19 before it forced, compression spring 20, thereby decontrol spring strut 9, this moment, the occupant was by the inertia preshoot, the locking safety strap, spring 11 is upheld afterwards, push away seat 12 and move backward, wheel 22 rolls along track 23, and the back kayser face of spring strut 9 bottoms slips over back kayser 15, trailing wheel 22 extruding buffering blob of viscoses 16, seat 12 slows down and is static, is promptly blocked by back kayser 15 toward reach slightly, and seat 12 is positioned at position shown in Figure 7.Thereby avoided the injury that causes because of steering handwheel, gauge panel etc.During seat return, block spring strut 9 as long as when moving back kayser 15, promote seat 12 to preceding kayser 8 forward.

Fig. 4 is second embodiment of the present utility model.It is to adopt the gunpowder alternative spring that is used as power.Moving mechanism is by shell case 28 is housed behind its seat, the piston rod 26 of firing pin 27 and striker spring 42, piston barrel 30 is formed, piston rod 26 front ends are with obturator pad 29 and snap ring 43, shell case 28 front ends are flash eliminator 35, the action of firing pin 27 is by last kayser 25, upper slide bar 31 and 8 controls of preceding kayser, last kayser 25 is fixing by axle 33, the one end blocks firing pin 27 under the effect of spring 34, the other end contacts with the upper slide bar of vertically placing 31, the lower end of upper slide bar 31 contacts with the front end ramp of preceding kayser 8 by its pulley 32, and an air bleed hole 44 is arranged in the bottom of piston barrel 30, is used for discharging high pressure gas when the seat back seat puts in place.The downside of piston barrel 30 has two kayser faces.

Its principle of work is as follows: go up kayser 25 at ordinary times and block firing pin 27, striker spring 42 is compressive state, preceding kayser 8 seized piston tubes 30, and seat 12 is positioned at the place ahead.When taking place to collide, through safety lever 1, piston rod 2, push rod 4, double-arm lever 5, the mutual action of slide bar 6, kayser 8 rotated around axle 19 before slide bar 6 promoted, produce two actions this moment, one is the spring 20 of preceding kayser 8 compression bottoms, thereby decontrols piston barrel 30, the 2nd, the curved surface of the preceding kayser 8 nocks pulley 32 on the top slide bar 31 that makes progress, make it upwards, last kayser 25 rotates compression spring 34 around axle 33 under the effect of upper slide bar 31, and then relieving firing pin 27, striker spring 42 is upheld, firing pin 27 bump shell cases 28 fires in a stove before fuel is added, and the gunpowder that ignites produces high pressure gas, through 35 ejections of flame arrest gas, enter piston 29 the place aheads, promote piston barrel 30 and move backward, move the same thereafter.

Fig. 5 is the 3rd embodiment.It is that the high pressure gas that store in the employing car are the motive force substitute spring.Moving mechanism is made up of hollow piston bar 39 that air intake control valve is housed and piston barrel 38 behind its seat.Hollow piston bar 39 lower ends are fixed with truck board and are communicated with air receiver in the car, and hollow piston bar 39 front ends are with rubber bowl 40.Air intake control valve is contained in the neck of hollow piston bar 39, and it is by valve body 37, and spring 36 is formed, and the lower end of valve body 37 contacts with the front end ramp by its pulley 41, at the downside of piston barrel 38 two kayser faces is arranged.

Its principle of work is as follows: at ordinary times kayser 8 under the effect of spring 20, the preceding kayser face below the seized piston tube 38, seat 12 is positioned at the place ahead, valve body 37 makes pipeline be closed condition under the effect of spring 36.When take place colliding, through insure 1, the mutual action of piston rod 2, push rod 4, double-arm lever 5, slide bar 6, kayser 8 rotated around axle 19 before slide bar 6 promoted, produce two actions this moment, the one, the spring 20 of kayser 8 compression bottoms is decontroled piston barrel 38; The 2nd, the curved surface of preceding kayser 8 nocks pushes away the pulley 41 on the valve body 37, the motion compresses spring 36 that valve body 37 is made progress is connected pipeline, and the interior high pressure gas of air receiver this moment enter the admission port of piston rod 39 bottoms, inner chamber through piston rod 39 enters piston the place ahead, promotes piston barrel and moves backward.Move afterwards with embodiment 1.

The utility model has the advantages that simple in structurely, safe and reliable, when take place colliding, can make the occupant hightail the dangerous space in the place ahead, thereby effectively prevent the injury to the occupant.

Claims

1, a kind of occupant protection system; it includes seat and safety strap; it is characterized in that it also includes lever transmission mechanism; moving mechanism and guide frame behind the track chair; moving mechanism is fixed on the below of seat behind the seat, and it can adopt moving device after the spring cartridge type, also can adopt moving device behind the piston type; moving device can utilize the high pressure gas of gunpowder generation or utilize the high pressure gas that store in the car to be power behind the piston type, and moving mechanism is contained on the guide frame by its wheel 22 behind the seat.

2, occupant protection system according to claim 1; it is characterized in that lever transmission mechanism is made up of the slide bar 6 of safety lever 1, piston rod 2, piston barrel 3, push rod 4, double-arm lever 5, an end band pulley 18; safety lever 1 and piston rod 2 are for being welded to connect; double-arm lever 5 is fixing by rotating shaft 17; double-arm lever one end contacts with push rod 4; the other end contacts with the pulley 18 of slide bar 6 by its curved surface, and the other end of slide bar 6 contacts with preceding kayser 8 on being contained in guide frame.

3; occupant protection system according to claim 2; it is characterized in that when moving mechanism behind the seat is spring cartridge type device; it is by front end cover 7; spring strut 9; spring 11; spring verge ring 10; and spring gives accent part composition; front end cover 7 is fixed on the truck board; spring strut 9 downsides have two kayser faces; respectively with front and back kayser 8; 15 match; when preceding kayser 8 snaps in the kayser face; spring 11 is compressed, and the horizontal Cylinder part of front end cover 7 is inserted in spring strut 9 front portions, and the front end of spring 11 is equipped with spring verge ring 10; the rear end of spring 11 is equipped with spring and is given accent spare, and spring gives transfers part to form by adjusting screw rod 14 and bearing 13.

4; according to the described occupant protection system of claim 2; it is characterized in that when the power of moving device behind the piston type is the high pressure gas of gunpowder generation; moving mechanism is by shell case 28 is housed behind its seat; the piston rod 26 of firing pin 27 and striker spring 42; piston barrel 30 is formed; piston rod 26 front ends are with obturator pad 29 and snap ring 43; shell case 28 front ends are flash eliminator 35; the action of firing pin 27 is by last kayser 25; upper slide bar 31 and 8 controls of preceding bayonet lock; last kayser 25 is fixing by axle 33; the one end blocks firing pin 27 under the effect of spring 34; the other end contacts with the upper slide bar 31 that vertically straightens; the lower end of upper slide bar 31 contacts with the front end ramp of preceding kayser 8 by its pulley 32; in the bottom of piston barrel 30 air bleed hole 44 is arranged, the downside of piston barrel 30 has two kayser faces.

5; occupant protection system according to claim 2; it is characterized in that when the power of moving device behind the piston type is the high pressure gas that store in the car; moving mechanism is made up of hollow piston bar 39 that air intake control valve is housed and piston barrel 38 behind its seat; hollow piston bar 39 lower ends are fixed with truck board and are communicated with air receiver in the car; hollow piston bar 39 front ends are with rubber bowl 40; air intake control valve is contained in the neck of hollow piston bar; it is by valve body 37; spring 36 is formed; the lower end of valve body 37 contacts with the front end ramp of preceding kayser 8 by its pulley 41, at the downside of piston barrel 38 two kayser faces is arranged.

6, according to claim 1 or 3 or 4 or 5 described occupant protection systems; it is characterized in that described guide frame is made up of guide rail 23, guard net 24, preceding kayser 8, back kayser 15; buffering blob of viscose 16 is equipped with in the guide rail rear and front end; preceding kayser 8 is fixing by axle 19; spring 20 is equipped with in bottom, its rear end, and back kayser 15 is fixing by axle 21, and its front bottom end is equipped with spring 20; guard net 24 is installed in guide rail 23 rear ends, and its angle of inclination is consistent with back of seat.