CN102529600A - Tire safe airbag - Google Patents

Abstract

The invention relates to a tire safe airbag, which is characterized in that: an air cylinder and an airbag are arranged in a hub, and a control valve and an air release valve are connected between the air cylinder and the airbag; and the control valve is controlled by a centrifugal hammer through a rocker. When a car tire rotates, the control valve is turned on under the action of centrifugal force, and a valve rod is pressed by the air pressure in the tire, so that the control valve is in a turn-off state, and further the airbag is also in a standby state; when the tire bursts suddenly, the air pressure in the tire is plummeted, but the tire still rotates at high speed, the centrifugal hammer is not put down, and the control valve is not pressed by the air pressure in the tire any more; under the action of spring force, a control air channel is turned on, and the air in the air cylinder flows into the air release valve through the control air channel; and the air release valve is turned on, and high-pressure gas in the cylinder is instantaneously filled into the airbag to support the tire through a large-caliber rapid release air channel, so that the driving function of the tire is recovered in an extremely short time so as to improve the driving safety.

Description

The tire safety air bag

Technical field

The present invention relates to a kind of vehicle tyre safety fender guard, specifically a kind of automobile runs into when blowing out suddenly under steam, a kind of device of instantaneous execution safety guard-safeguard.

Background technology

According to statistics, in the traffic accident of express highway, have 80% serious accident to be since motor tire blow out suddenly cause; If the speed of a motor vehicle is in the time of 120 kilometers on the express highway, the accident of blowing out 100% cause death these bloody facts; Make people startling, though people did explosion-proof all measures before last high speed; To cause the reason blow out a lot, have plenty of to prevent, and have plenty of unpredictalbe; Therefore how preventing the caused traffic accident of blowing out, is that traffic police department and vast sailing are taken advantage of the urgent hope of personnel institute.

Summary of the invention

For overcome automobile blow out suddenly under steam the pernicious traffic accident that possibly cause; The present invention provides a kind of tire safety air bag; This air bag not only can instantaneously be heaved tire after tyre explosion loses heart, and prevents that tire breaks away from wheel rim, but also can continue the segment distance that goes; Reusable, need not special tire.

The present invention solves the technical measures that its technical matters takes, and is provided with one along the circumferential hollow tubular of wheel rim in the bottom of wheel rim " U " font, and hollow tubular is processed the pressure cylinder of annular closed; Mounting of tyre is suitable for reading wheel rim " U " font, and gas cylinder is included in the cavity that tire and wheel rim surround, after charging into gas in the gas cylinder; The interior rated insulation voltage power of bottle is greater than the standard pressure of tire, and volume charges in the tire when the pressed gas that stores in the gas cylinder discharges less than volume that tyre and rim surrounds; The air pressure of tire can reach minimum standard pressure, and a charging connector that leads to outside the wheel rim is set on gas cylinder, through charging connector can be in gas cylinder make-up gas; Upwards simultaneously an air bag along the gas cylinder circumference is set at gas cylinder, airbag wall has elasticity, and quality is solid; Air tight, after splashing and rise, its inflation just in time fills up the space in the tire, fixing bungee on the inwall of air bag both sides wheel rim across air bag; Air bag utilizes the elastic force of bungee that air bag is bundled on the hollow tubular after losing heart, and on the bottle wall between gas cylinder and the air bag, establishes control cock and aie escape valve, and centrifugal hammer is set above the air bag above control cock; Centrifugal hammer is through the flexible connection of rocking arm and wheel rim inwall one side, at the coupling end of rocking arm the pressure arm spring is set, and under the rocking arm briquetting is set; Under the situation of no centnifugal force, that is to say tire under static state, tire is under the state of rotation at a slow speed in other words; Centnifugal force is less; The pressure arm spring is depressed centrifugal hammer, and the briquetting under the rocking arm just in time is pressed in above the valve rod of control cock under the air bag, makes control cock be in closed condition.The valve rod upper end of control cock is stretched out valve casing and is aimed at the briquetting under the rocking arm; Valve rod top is provided with valve block, and the middle part of valve rod is provided with valve disc in the form of piston, and valve disc can slide up and down in valve casing; The lower end of valve rod connects spool; Control pore on the front end aligning valve casing lower value seat of spool is provided with spring between valve disc and the control pore, under the effect of spring force, can spool be lifted and open the control pore.Behind sufficient gas in the tire, the air pressure in the tire is greater than spring force, and atmospheric pressure acts on above the valve block the valve stem depressions of control cock, and spool is closed on the control pore.The valve disc cavity of resorption of control cock is established the control air flue, and the control air flue connects aie escape valve, the valve casing upper end closed of aie escape valve, and air bleed hole is established in the lower end, on sidewall, opens lose heart road and speed venting road, and air bag is connected in speed venting road.In the valve casing of aie escape valve spool is set, opens pore on the spool, spool can slide up and down in valve casing.Establish spring between the upper end of spool and the valve casing top, the lower end aligned air bleed hole of spool is under the effect of spool upper end spring force; Spool depressed close air bleed hole, when spool upwards lifts, air bleed hole is opened; Conducting gas cylinder inner chamber and air bag inner chamber are closed speed venting road simultaneously.During use, sufficient gas in the tire, also top off in the gas cylinder simultaneously; When running car, tire rotational speed improves, and the centrifugal hammer in the tire upwards lifts under action of centrifugal force; Release is to the compressing of control cock, because the air pressure in the tire is greater than the spring force in the control valve rod, even therefore centrifugal hammer leaves control cock and also can under the compressing of tire internal gas pressure, be in closed condition; Under tire place low speed rotation or quiescence, centrifugal hammer tightly is pressed on the control valve rod under the effect of spring force; Can avoid at retread a tyre like this or during in Parking tire lose heart, air bag can not opened, and has only when the tire internal gas pressure is released (blowing out) suddenly under steam; Tire promotes down also in rotation at force of inertia, and centrifugal hammer is not also depressed, tire internal gas pressure reduction suddenly at this moment and less than the spring pressure of control cock; Control cock is opened, and the pressed gas in the gas cylinder is got in the valve pocket of aie escape valve through control pore, control air flue, and the pressure moment the chamber in is greater than the spring pressure on the spool of exitting and the disappointing ability of air extractor vent; The venting spool is upwards lifted open air bleed hole,, therefore can moment the gas in the hollow tubular be charged in the air bag because air bleed hole is bigger with the aperture in speed venting road; Air bag expands rapidly and fills up the tyre cavity after losing heart, and avoids the tire after the explosion to break away from wheel rim, recovers the motoring condition of tire in the short time at the utmost point; And under the support of air bag, can also continue the segment distance that goes.For fear of misplacing gas, in aie escape valve, be provided with and lead to the disappointing road of atmosphere, if being not closed completely, control cock causes gas leakage; Hollow tubular internal pressure gas accumulates in the aie escape valve through the control air flue, if the air pressure that gathers surpasses the spring pressure on the spool; Will lift spool and open aie escape valve, cause to misplace gas, so be provided with disappointing road; Can lose heart road row to atmosphere through spool bleeder port and valve casing even having loses heart, in time release and avoid gas to gather, not only will measure the air pressure in the tire before therefore driving to set out on a journey; But also to check the air pressure in the gas cylinder, find not enough in time additional.Such tire safety air bag has been installed; When galloping, tire can instantaneously be heaved tire after blowing out suddenly and losing heart; Prevent that tire after the breakage breaks away from wheel rim and causes that direction is unstable, thus reach avoid blowing out suddenly possibly cause the purpose of pernicious traffic accident.

The invention has the beneficial effects as follows that improve the safety factor of tire, this air bag is reusable, need not special tire, and simple in structure.

Description of drawings

Below in conjunction with accompanying drawing the present invention is described further.

Fig. 1 is the structural representation of tire and safety air bag.

Fig. 2 is the structural representation of control cock and aie escape valve.

Among the figure, 1, wheel rim, 2, tire, 3, air bag, 4, gas cylinder, 5, centrifugal hammer, 6, control cock; 7, gas cylinder charging connector, 8, the pressure arm spring, 9, rocking arm, 9-1, bungee, 10, briquetting, 11, valve rod, 11-1, valve block; 11-2, valve disc, 12, spring, 13, spool, 14, the control pore, 14-1, control air flue, 15, aie escape valve; 16, spool, 17, the road that loses heart, 18, spring, 19, speed venting road, 20, air bleed hole, 21, bleeder port.

The specific embodiment

In Fig. 1, the bottom of " U " font of wheel rim 1 is provided with one along the circumferential hollow tubular of wheel rim, and hollow tubular is processed the pressure cylinder 4 of annular closed; Tire 2 is installed in the suitable for reading of wheel rim " U " font; Gas cylinder is included in the cavity that tire and wheel rim surround, and gas cylinder is provided with one and leads to the outer charging connector 7 of wheel rim, and an air bag 3 along the gas cylinder circumference is set above the said gas cylinder; On the bottle wall between gas cylinder and the air bag control cock 6 and aie escape valve are set; Centrifugal hammer 5 is set above the air bag above said control cock, and centrifugal hammer flexibly connects through rocking arm 9 and wheel rim inwall one side, in one of the activity of rocking arm pressure arm spring 8 is set; rocking arm is divided into briquetting, fixing bungee 9-1 across air bag on the inwall of the both sides wheel rim of said air bag.

In Fig. 2, the upper end of the valve rod 11 of said control cock 6 is stretched out valve casing and is aimed at the briquetting 10 under the rocking arm, and valve block 11-1 is established on the top of valve rod; The middle part of valve rod is provided with valve disc 11-2 in the form of piston, and the lower end spool 13 of valve rod is aimed at control pore 14, between valve disc and the control pore spring 12 is set; Control air flue 14-1 connects aie escape valve 15 said aie escape valve upper end closeds, and air bleed hole 20 is established in the lower end, on the sidewall of valve casing, opens lose heart road 17 and speed venting road 19; The logical atmosphere in disappointing road, speed venting road ventilation capsule is established spool 16 in the valve casing of aie escape valve; Between the upper end of spool and the valve casing top spring 18 is set, the lower end aligned air bleed hole 20 of spool is opened bleeder port 21 on spool.

Claims (4)

1. tire safety air bag; It is characterized in that: establish one along the circumferential hollow tubular of wheel rim in the bottom of " U " of wheel rim font; Said hollow tubular is processed the pressure cylinder of annular closed; Said gas cylinder is provided with one and leads to the outer charging connector of wheel rim, and an air bag along the gas cylinder circumference is set above the said gas cylinder; On the bottle wall between said gas cylinder and the air bag control cock and aie escape valve are set, above the air bag of said control cock top centrifugal hammer are set, centrifugal hammer flexibly connects through rocking arm and wheel rim inwall one side, and the coupling end of rocking arm is established the pressure arm spring; rocking arm is divided into briquetting, and the upper end of said control cock valve rod is stretched out valve casing and aimed at the briquetting under the rocking arm, and valve block is established on valve rod top, and the middle part of valve rod is provided with valve disc in the form of piston; the lower end of valve rod connects spool, and spool is aimed at the control pore of valve casing lower end, between valve disc and the control pore spring is set; valve rod can slide up and down in valve casing, and the valve casing of said control cock is established the control air flue, and the control air flue connects aie escape valve; the upper end closed of said aie escape valve, and air bleed hole is established in the lower end, on the sidewall of aie escape valve, opens lose heart road and speed venting road; air bag is connected in said speed venting road, in the valve casing of said aie escape valve spool is set, and spool is opened bleeder port; spool can slide up and down in valve casing, establishes spring between the upper end of spool and the valve casing top, the lower end aligned air bleed hole of spool.

2. tire safety air bag according to claim 1 is characterized in that: said airbag wall has elasticity, and quality is abundant air tight.

3. tire safety air bag according to claim 1 is characterized in that: the fixing elastic across air bag of the inwall of the both sides wheel rim of said air bag.

4. tire safety air bag according to claim 1 is characterized in that: atmosphere is connected in the disappointing road of said aie escape valve.

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