CN103042886A - Built-in explosion-proof spare tire for automobile - Google Patents
Built-in explosion-proof spare tire for automobile Download PDFInfo
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- CN103042886A CN103042886A CN2011103154968A CN201110315496A CN103042886A CN 103042886 A CN103042886 A CN 103042886A CN 2011103154968 A CN2011103154968 A CN 2011103154968A CN 201110315496 A CN201110315496 A CN 201110315496A CN 103042886 A CN103042886 A CN 103042886A
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Abstract
The invention belongs to the field of automobile parts and relates to a built-in explosion-proof spare tire for an automobile. The built-in explosion-proof spare tire for the automobile can support a tire when tire burst occurs so as to enable the automobile to be continuously and safely driven after air escape or tire burst of the tire. The built-in explosion-proof spare tire comprises a ball bundling net mounted in the tire, and a plurality of air bags filled in the ball bundling net, wherein the ball bundling net is used for fixing the whole built-in spare tire on a wheel hub tire tread; and the ball bundling net is mounted in a cavity of the tire, the volume of the ball bundling net is smaller than that of an inner cavity of the tire, then the ball bundling net and the air bags in the ball bundling net are not in contact with the tire all the time during the normal driving process of the automobile, and a tire tread of the tire is only supported when the air escape or the tire burst of the tire occurs so as to prevent the tire from sinking. The invention further provides a single-air bag explosion-proof spare tire, and a tire tube-shaped single air bag can be used for supporting the tire after the air escape of the tire. The explosion-proof spare tire disclosed by the invention has the advantages of comfort, safety, convenience in mounting and operation and low replacement cost.
Description
Technical field
The invention belongs to the vehicular spare parts field, relate to a kind of explosion-resistant car tyre, be specifically related to a kind of automotive internal formula burst-preventing spare wheel tire, relate in particular to a kind of motor tire lose heart the rear support tire, prevent the trouble-proof tire (run flat tire) that tire subsides.
Background technology
Have statistics to show that the major accident of express highway about 70% is to cause by blowing out, the mortality that causes of blowing out when speed per hour reaches 160 kilometers is near 100%; Also be the not pleasant driving experience of the utmost point even if blow out when prevailing roadway travels, therefore, in the epoch that automobile is popularized on a large scale, exploitation effectively, the trouble-proof tire of practicality and reasonable price is very necessary.
At present, the trouble-proof tire near practicality all adopts the sidewall reinforcing technology, and described trouble-proof tire uses in the sub-fraction automobile.The principal character of above-mentioned technology is that all higher enhancement Layers of hardness and intensity are set in lower tire side wall, behind leakage of tyre, continued to travel to the maintenance station changing of tire by the lower tire side wall support tire of strengthening, make the chaufeur changing of tire on highway of needn't taking a risk, also can save spare tyre, alleviate the weight of automobile.But described sidewall reinforcing technology still has following obvious defective: (1) is owing to have all higher sidewall reinforcing layers of hardness and intensity, traveling comfort and the heat dispersion of tire all decrease, and need to adopt expensive high-fire resistance tartan to alleviate the impact of the problems referred to above; (2) lower tire side wall of strengthening is so that the installation difficult of tire, need to use expensive special tyre erecting equipment, rear tyre can support the restriction of vehicle driving mileage owing to lose heart, in country with a vast territory, in fact usually after being difficult to guarantee leakage of tyre, the enough distance travel of automobile wheeled is to the nearest maintenance store with this special tyre installing equipment; Tire may occur when (3) the sidewall reinforcing tire travels after losing heart also to be removed not yet fully from the danger that wheel hub comes off; (4) price of sidewall reinforcing tire is about 3 to 5 times of conventional tyre, but lacks the somewhat expensive of changing of tire its service life.
Therefore, current in the urgent need to a kind of traveling comfort of tire, Novel explosion-proof tyre that replacing is easy and simple to handle, the tire changing expense is few of not reducing.
Summary of the invention
The objective of the invention is defective and deficiency for overcoming prior art, a kind of explosion-resistant car tyre is provided, be specifically related to a kind of automotive internal formula burst-preventing spare wheel tire, and supporting wheel hub and accessory device; This trouble-proof tire can be when blowing out support tire, make automobile at leakage of tyre or still can continue the suitable distance of safety traffic after blowing out.
Particularly, automotive internal formula burst-preventing spare wheel tire of the present invention comprises two kinds of specifications of many air bags trouble-proof tire and monosaccate trouble-proof tire;
Described many air bags trouble-proof tire comprises tire 2 and wheel hub, it is characterized in that, also comprises air bag 1 and bundle net 3; Described bundle net 3 places tire 2, and bundle holds air bag 1 in the net 3, described tire 2 be connected net 3 and be connected with wheel hub, establish ball-loading hole 16 on the wheel hub.
Among the present invention, described air bag 1 integral sealing, inner inflatable, but its surface coating tetrafluoroethylenes etc. can reduce the material of surperficial frictional resistance; The profile of described air bag 1 is any three-dimensional shapes such as sphere, olive shape, ellipse, centrum or polyhedron; Be full of pressure gas in the air bag 1, can fill any gas that air, nitrogen or helium etc. are difficult for occuring with tire 2, bundle net 3, air bag 1 chemical reaction, or filling rubber or other artificial poly-mers are made solid sphere;
Described air bag 1 adopts sealing, the elastomeric materials such as rubber, butyl rubber to make; Wherein, airbag wall 38 interior employing cords or cord are strengthened, and described cord, cord can adopt the materials such as steel wire, carbon fiber wire, nylon wire, poly-ester fibres, polyamide fibre to make.
In many air bags trouble-proof tire of the present invention,
The quantity of described air bag 1 be 1 or more than; 1 in air bag does not interconnect, and the inner chamber of different bladder does not communicate; Pressure in the air bag 1 is greater than barometric pressure, and its atmospheric pressure is not less than the normal inflation of the tire 2 at its place, is preferably more than the normal inflation of tire 2;
Described air bag 1 can be positioned in the bundle net 3 of vehicle front or trailing wheel; The inflation pressure of air bag is different in the front and rear wheel, to adapt to respectively the inflation pressure of front-wheel or trailing wheel; Inflation pressure with each air bag 1 in a branch of net is all identical; In one embodiment of the present of invention, the different air bag of inflation pressure 1 adopts the material manufacturing of different colours, or puts on its inflation pressure of obvious symbolic representation in its appearance, so as can be fast when installing the air bag 1 that interior pressure is identical pack into and restraint in the net 3.
In many air bags trouble-proof tire of the present invention, described tire 2 is tire commonly used in the prior art.
In many air bags trouble-proof tire of the present invention, described bundle net 3 is installed in the cavity of tire 2, is fixed on the wheel hub tyre surface 5; The volume of this bundle net 3 does not come in contact bundle net 3 and air bag 1 less than the volume of tire 2 inner chambers all the time with tire 2 in the automobile normal running process, and only lose heart or support tire tyre surface 40 during explosion at tire 2, stops tire 2 to subside;
Described bundle net 3 has tensile strength, makes it in the automobile normal running process or loses heart or air bag 1 can both be limited in the bundle net 3 during explosion at tire 2, and be fixed in independently on the wheel hub tyre surface 5; Simultaneously, the posterior cord net 3 of blowing out does not break away from wheel hub tyre surface 5 yet;
Described bundle net 3 is made by material flexible, folding, that be difficult for being expanded, and above-mentioned material adopts but is not limited to the materials such as steel wire, nylon, polyester, polyamide, carbon fiber; But bundle net 3 inboard coats with rubber or covering cord avoid restrainting net 3 incised wounds with protection air bag 1 wherein; In the described bundle net 3, two lateral bundle nets wheel limit 6 links to each other by radial cord 13, and radial cord 13 intersects with ring-type cord 14, forms net structure, and its mesh 8 is less than the air bag 1 in the bundle net 3;
Described bundle net wheel limit 6 is adopted steel wire, polyester, polyamide, carbon fiber or nylon wire etc. can omit crooked, slightly flexible, that enough tensile strength are arranged material and is made, and the intensity of above-mentioned material is enough to make bundle net 3 and air bag 1 also can be fixed in tightly on the wheel hub tyre surface 5 when tire 2 subsides; Bundle net wheel can be coated with one deck rubber on the limit 6, makes bundle net wheel limit 6 have elasticity, is convenient to it be striden across wheel hub flange projection 12 and be installed in two wheel hub tread grooves 15;
Around two lateral bundle nets wheel limit 6, in one embodiment of the present of invention, made by steel wire with radial cord, by welding it linked to each other by described bundle net 3 from outer felt for described radial cord 13; Described radial cord 13 and ring-type cord 14 interconnect in joining, and connection mode is the rubber coating by bundle net 3 surfaces mutually bonding or be weldingly connected (being applicable to steel cord);
Described radial cord 13 is walked around from the bundle net bracing ply outside and is restrainted net band bundle 11 and intersect; Joining can be mutually bonding by the rubber coating on bundle net 3 surfaces, and (being applicable to steel cord and band bundle) also can be weldingly connected; Aperture is all left in bundle net tyre surface 41 and two side 13, its aperture is less than the diameter of bundle net 3 interior air bags 1, make air bag 1 be limited in restrainting in the net 3, but allow the gas in the bundle net 3 to pass through these aperture free-flowings, link up air bag gap 9 and tire-bundle net gap 4 in the bundle net 3, be convenient to the travel heat of middle generation of tire 2 and distribute by wheel hub tyre surface 5.
In one embodiment of the present of invention, described tire 2 is radial-ply tyre, then restraint net 3 and also make the shape that is complementary with it, namely restraint net 3 when being full of air bag 1, its near a side of tire protector 40 owing to contain and restraint net band bundle 11 and form the bundle net tyre surface 41 parallel with tire protector 40; The trend of bundle net band bundle 11 parallels with the trend of tire belt 10; Two lateral bundle net sidewalls 13 are symmetric relation.Bundle net 3 is fixed on the wheel hub tyre surface 5 by two bundle net wheel limits 6 that are closely buckled in the wheel hub tread grooves 15; Bundle net wheel limit 6 is positioned at tire wheel 7 inboards, limit, can take turns limit 7 near tire; Bundle net sidewall 13 is normal at tire 2 tire pressures, do not come in contact with both sides lower tire side wall 30 when keeping one's end up, when tire 2 loses heart, bundle net sidewall 13 is because restrainting net tyre surface 41 pressurizeds to the both sides bulging, and promote two lateral bundle nets wheel limit 6 respectively to 7 extruding of both sides tire wheel limit, make them prevent that near the wheel hub flange projection 12 of both sides the tire 2 that loses heart from coming off from wheel hub tyre surface 5; Described bundle net 3 is with bundle net band bundle 11, can form the bundle net tyre surface 41 parallel with tire protector 40, and when tire 2 lost heart, bundle net 3 was larger with the contact surface of the tire that subsides, tire 2 is lost heart after rolling resistance less.
In many air bags trouble-proof tire of the present invention, described wheel hub is different from conventional wheel hub, establish ball-loading hole 16 on its wheel hub tyre surface 5, the pressure bladder 1 (if air bag 1 is circular sacculus, then ball-loading hole 16 is slightly larger than the circular hole of balloon diameter for internal diameter) that can inflate to bundle net 3 interior addings by ball-loading hole 16; After filling air bag 1 in the bundle net 3, with ball-loading hole lid 18 sealing ball-loading holes 16 (establishing ball-loading hole screw thread 19 on the ball-loading hole lid 18); Described air bag 1 fills up bundle net 3 tightly under certain thrust, make bundle net 3 surfaces form certain tension force, makes bundle net 3 wrap tightly air bag 1, and when automobile normal running, air bag 1 can be in the 3 interior rollings of bundle net;
Described ball-loading hole lid 18 is provided with ball-loading hole lid screw thread 20, and size and the ball-loading hole 16 of this ball-loading hole lid screw thread 20 are complementary; During use, can cover 18 by screwing ball-loading hole screw thread 19 and ball-loading hole lid screw thread 20 sealing ball-loading holes, or can a chute that can hold ball-loading hole lid 18 be installed at ball-loading hole 16 peripheries, ball-loading hole 16 be opened or be sealed to ball-loading hole lid 18 can by sliding, in chute;
Be provided with " O " RunddichtringO 22 between described ball-loading hole lid 18 and the ball-loading hole 16, ball lid 18 has the ball-loading hole lid shoulder 21 of outstanding its outer rim, after screwing ball-loading hole lid 18, ball-loading hole lid shoulder 21 compresses " O " RunddichtringO 22 and reaches airtight effect, not only air bag is enclosed in the bundle net 3, can lose heart from ball-loading hole 16 after also making tire 2 inflation; Described " O " RunddichtringO 22 adopts rubber, polytetrafluoroethylene or other airtight materials to make.
Among the present invention, described wheel hub also can adopt to transform on the existing wheel hub basis and form; In one embodiment of the present of invention, wheel hub is steel, and directly perforate forms ball-loading hole 16 on its wheel hub tyre surface 5, and ball-loading hole guard shield 17 is also used the steel manufacturing, is welded on the wheel hub tyre surface 5; Among another embodiment, described wheel hub adopts aluminum alloy to make, and ball-loading hole 16 and wheel hub as a unit-cast unit, or after wheel hub tyre surface 5 side hole, are installed on ball-loading hole guard shield 17 on the wheel hub tyre surface 5 by screw thread or rivet (all using seal ring).
In many air bags trouble-proof tire of the present invention, the periphery of described ball-loading hole 16 is provided with a ball-loading hole guard shield 17 that is hollow cylindrical, this ball-loading hole guard shield collar extension place establishes an annular arrangement ball-loading hole back up ring 24 of inwardly shrinking, the internal diameter of ball-loading hole back up ring 24 is less than the external diameter of ball-loading hole lid 18, diameter greater than air bag 1, air bag 1 can be packed into by ball-loading hole back up ring 24 to be restrainted in the net 3, but ball-loading hole lid 18 can't eject in the ball-loading hole back up ring, thereby the ball-loading hole that prevents from when tire 2 is not exitted, outwarding winding mistakenly lid 18, and ball-loading hole lid 18 is outwards ejected under tire 2 chamber inner high voltage effects;
Installation and the taking-up of described ball-loading hole lid 18 are then finished (as shown in Figure 5) by a side opening 29 on ball-loading hole guard shield 17 sides: ball-loading hole lid 18 laterally takes out from side opening 29 after screwing off from ball-loading hole 16; Bundle fill air bag 1 in the net 3 and bundle net 3 tightened reach rated tension after, from then on side opening 29 laterally inserted ball-loading holes lids 18 are tightened in it on ball-loading hole 16 again; After tightening, the bundle net 3 of air bag 1 has sizable tension force owing to fill, finishing the air bag filling, sealing in ball-loading holes 16 processes with ball-loading hole lid 18, need to guarantee that the air bag 1 that has loaded can not eject under bundle net 3 tension force and air bag 1 elastomeric effect, be provided with a resistance ball sheet notch 39 in side opening 29 limits of ball-loading hole guard shield 17, more close bundle net 3 one sides from ball-loading hole 16; After in bundle net 3, filling air bag 1, in resistance ball sheet notch 39, insert flat resistance ball sheet, stop the air bag 1 in the bundle net 3 to eject from ball-loading hole 16 after dress bulb 27 (as shown in Figure 6) withdraws from, can cover ball-loading hole in the 18 laterally inserted ball-loading hole guard shields 17 this moment by the side mouth of ball-loading hole guard shield 17; After withdrawing from resistance ball sheet, by ball-loading hole guard shield collar extension 25, insert special screwdriver, ball-loading hole lid 18 is pushed up to ball-loading hole 16, and screw simultaneously ball-loading hole lid 18, it is tightened on the ball-loading hole 16 by screw thread 19 and screw thread 20; Wherein, described resistance ball sheet is made by rigid material; The outside of described ball-loading hole guard shield 17 is provided with dentation outer process 34.
The said structure air bag 1 of can rated pressure easy to use packing in the bundle net 3, and the ball-loading hole lid 18 that can prevent from when tire 2 is not exitted, outwarding winding mistakenly, the accidents that ball-loading hole lid 18 is outwards ejected under tire 2 chamber inner high voltage effects.
When this trouble-proof tire is installed, the tire 2 of bundle net 3 with not yet inflation is installed on the wheel hub, bundle net 3 linings are in the inboard of tire 2, and two lateral bundle nets wheel limit 6 lays respectively at the inboard on tire wheel limit 7, both sides; Described tire wheel limit 7 is provided with some projections with crack or hole towards a side on bundle net wheel limit 6, and the corresponding position that a side on limit 7 is taken turns towards tire in bundle net wheel limit 6 also is provided with some projections with crack or hole that suit mutually, by in crack or hole, inserting fastener the above-mentioned projection that suits is mutually linked together, thereby make bundle net wheel limit 6 be fixed on the inboard on tire wheel limit 7; After described bundle net 3 and tire 2 are installed on the wheel hub together, pass through first tire valve 23 to tire 2 interior inflations, the bundle net wheel limit 6 and the tire wheel limit 7 that promote to link together with air pressure snap in the wheel hub tread grooves 15, then tire 2 is exitted by tire valve 23, after in bundle net 3, filling spherical air bag 1, reach rated pressure by tire valve 23 to tire 2 interior inflations again and get final product;
When dismantling this trouble-proof tire, first by tire valve 23 exhausts, the inner and outer air pressure of tire 2 is equated, then outward winding, take out ball-loading hole lid 18, take out part air bag 1 from ball-loading hole the tension force of bundle net 3 is descended; And then by common tire dismantling method one side wheel tire wheel limit 7 is peeled off from wheel hub together with the bundle net wheel limit 6 that links together, all the other air bags 1 in the bundle net 3 can be poured out from the bundle net wheel limit 6 of peeling off.
In one embodiment of the present of invention, also be provided with the air bag 1 that a collection funnel is poured out.
Fill air bag 1 in the bundle net 3 of this many air bag trouble-proof tire and air bag 1 fills up whole bundle net 3 tightly under rated pressure, air bag 1 rolls and generation noise and heat in bundle net 3 in the time of can preventing running car, and also preventing affects the kinetic balance of tire because air bag 1 rolls; Wherein, after the rated pressure of described dress ball refers to pressure air bag 1 be filled bundle net 3, at tension force that bundle net cord the produces tension force on the corresponding tyre casing ply during more than or equal to the tire 2 normal inflation at its place.
In one embodiment of the present of invention, cancelled bundle net 3 and directly air bag 1 has been added in tires 2 chambeies by ball-loading hole 16; After in tire 2 chambeies, filling air bag 1, with ball-loading hole lid 18 sealing ball-loading holes 16, and then pass through tire valve 23 to tire 2 interacvity air-fillings, make it reach the normal inflation of tire 2; Trouble-proof tire among this embodiment, mutually friction can occur with tire 2 and produce heat, noise and damage easily tire 2 and air bag 1 in air bag 1 when running car, can be used for the vehicle of low speed driving, such as engineering truck, beach buggy etc.
The present invention also provides a kind of specific ball-loading device, and air bag trouble-proof tire more than supporting uses; This ball-loading device can be used for rapid reloading air bag 1, and reaches specified air bag filling pressure and bundle net tension force after making air bag 1 be full of bundle net 3;
Described ball-loading device is by pressure ball wheel 26, and dress bulb 27 forms with collection ball funnel 28; Described dress bulb 27 is connected with collection ball funnel 28, and pressure ball wheel 26 is located on the dress bulb 27;
The outlet internal diameter of described collection ball funnel 28 with and dress bulb 27 internal diameters equate, be slightly larger than air bag 1 external diameter, make air bag 1 from collection ball funnel 28, fill bulb 27 because gravity forms a line to enter successively;
The side, stage casing of described dress bulb 27 has notch, establishes herein pressure ball wheel 26; The partial blade of pressure ball wheel 26 embeds in the notch of dress bulb 27; Craft or mechanical power drive pressure ball wheel 26 and rotate and promote air bag 1 and be pressed in the bundle net 3 through dress bulb 27; Wherein, described pressure ball wheel 26 totally two, be arranged on symmetric position;
The outlet inboard of described dress bulb 27 is provided with dentation inner process 35.
When using this ball-loading device, rotation dress bulb 27 collar extensions with described dentation inner process 35, with the dentation outer process 34 mutual fastenings of many air bags of the present invention trouble-proof tire, connect ball-loading hole guard shield 17 and dress bulb 27; The mutual fastening of above-mentioned dentalation, connect the intensity reach can resist by specified dress ball pressure in the bundle net 3 during the dress ball to the tension force of this communication port generation, can conveniently fill bulb 27 alignings and be connected with ball-loading hole 16; Then, two pressure balls wheel 26 press opposite senses synchronously rotate, 1 in air bag is produced unidirectional thrust from both sides, load air bag 1.
In one embodiment of the present of invention, by one group of gear two pressure ball wheels 26 are interconnected, make it keep rightabout synchronous rotation, the device that described drive pressure ball wheel 26 rotates is a strength restraint device, after pressure ball wheel 26 filling air bags 1 make bundle net 3 reach rated tension, can automatically stop operating; Or at pressure ball wheel 26 pressure sensor is set, and when being measured to the pressure ball resistance and reaching rated value, send electric signal, cut off the power supply and the power that drive pressure ball wheel 26, also can send simultaneously sound and optic signal, prompting air bag 1 installs.
Or,
Monosaccate trouble-proof tire described in the present invention, it is characterized in that, formed by tire 2, wheel hub, bundle net 3 and inner tube of a tyre shape monosaccate 43, described bundle net 3 is located in the tire 2, hold inner tube of a tyre shape monosaccate 43 in the bundle net 3, described tire 2 be connected net 3 and be connected with wheel hub, wheel hub for double-deck, be provided with air bag platform 31.
In this monosaccate trouble-proof tire, described monosaccate is that the air bag of bundle in the net 3 is the inner tube of a tyre shape monosaccate 43 that is full of whole bundle net 3 after the inflation, its shape and classics/the old-fashioned inner tube of a tyre is similar;
Described inner tube of a tyre shape monosaccate 43 from classical/it is old-fashioned that to contain inner tube tyre different: inner tube of a tyre shape monosaccate 43 is limited in restrainting in the net 3 in tire 2 undismayed situations and contact with tire 2 (cover tire), and only at tire 2 disappointing rear support tires 2; Inner tube of a tyre shape monosaccate 43 does not bear the load of tire 2 in the automobile normal running process, and inner tube of a tyre shape monosaccate 43 neither can produce heats with tire 2 friction, can because of friction or not bear load impaired yet;
In this monosaccate trouble-proof tire, described wheel hub is compared with the prior art wheel hub larger difference; This wheel hub is Double-layer wheel hub (as shown in Figure 7), establishes wheel hub tyre surface 5 on it, is the centrality depression to the wheel direction of principal axis in the middle of the wheel hub tyre surface, and is provided with therein independently air bag platform 31;
Described air bag platform 31 both sides raise up and form air bag platform edges 36, and air bag platform edges groove 37 is arranged on it, to hold bundle net wheel limit 6; Air bag platform 31 is supported on the wheel hub tyre surface 5 of depression by air bag platform support 32, on the air bag platform support 32 opening is arranged, so that the pressurized air in tire 2 chambeies is in 32 liang of side flow of air bag platform support;
The circle diameter of described air bag platform edges 36 is not more than the circle diameter of the wheel hub tread grooves 15 on wheel hub tyre surface 5 both sides, namely from the tire section, air bag platform edges 36 is not higher than the height of wheel hub tread grooves 15, air bag platform 31 centers are then to lower recess, it can will be restrainted when inner tube of a tyre shape monosaccate 43 is not inflated holds wherein after net 3 and inner tube of a tyre shape monosaccate 43 compress together, make its horizon that does not exceed wheel hub tread grooves 15, do not hinder the installation of tire 2;
In this monosaccate trouble-proof tire, establish some bridge loads and connect in air bag platform-wheel hub tread grooves gap 42, under the prerequisite in incomplete closed airbag platform-wheel hub tread grooves gap 42, can prevent that tire wheel limit 7 from snapping in air bag platform-wheel hub tread grooves gap 42;
In the running car, the heat that tire 2 produces not only can distribute by lower tire side wall 30, also can distribute from wheel hub tyre surface 5 by the air extractor vent on air bag platform-wheel hub tread grooves gap 42 and the air bag platform support 32; Described air bag platform 31 forms the Double-layer wheel hub structure with wheel hub tyre surface 5, space therebetween is conducive to distribute the heat that tire 2 produces by wheel hub in running car, and the buffer action that is conducive to the pressurized air participation tire 2 in the greater room is conducive to tire 2 performance shock-absorbing functions.
In this monosaccate trouble-proof tire, described inner tube of a tyre shape monosaccate 43 does not communicate (as shown in Figure 7) with tire 2 inner chambers, inner tube of a tyre shape monosaccate 43 is provided with an air bag valve 33 independently, air bag valve 33 leads to outside the tire through air bag platform 31 and wheel hub tyre surface 5 respectively, and its outer end can be marked with different colours or symbol and distinguish with the intrinsic tire valve 23 of tire 2; Can be to the 43 interior inflations of inner tube of a tyre shape monosaccate by air bag valve 33, then to tire 2 interacvity air-fillings, both tire valve 23 do not communicate.
In this monosaccate trouble-proof tire, inner tube of a tyre shape monosaccate 43 and bundle net 3 are installed, may further comprise the steps: put into bundle net 3 after the inner tube of a tyre shape monosaccate 43 that will not yet inflate flattens, first inner tube of a tyre shape monosaccate 43 and bundle net 3 are installed on the air bag platform 31, two lateral bundle nets wheel limit 6 snaps in respectively in the air bag platform edges groove 37 on air bag platform 31 both sides, and mounting fastener will be restrainted net wheel limit 6 and be fixed in the air bag platform edges groove 37, bundle net 3 is compressed in the depression of air bag platform 31 together with inner tube of a tyre shape monosaccate 43, then, mounting tyre 2 (described bundle net wheel limit 6 is provided with the projection with crack or hole, is used for will restraint net by fastener and takes turns limit 6 and be fixed on air bag platform edges 36) according to a conventional method; After tire 2 installs, in inner tube of a tyre shape monosaccate 43, be inflated to the pressure identical with specified tire 2 pressure by air bag valve 33, then in tire 2, be inflated to specified tire 2 pressure by tire valve 23; In addition, during mounting tyre 2, by air bag valve 33 air in the inner tube of a tyre shape monosaccate 43 is found time first, produce negative pressure, it is compressed in the depression of air bag platform 31 together with bundle net 3, make things convenient for the installation of tire 2.
In this monosaccate trouble-proof tire, described bundle net 3 can water with airbag wall 38 and make an integral body, be conducive to by in inner tube of a tyre shape monosaccate 43 interior formation negative pressure inner tube of a tyre shape monosaccate 43 is compressed in the depression of air bag platform 31 together with bundle net 3, make things convenient for the fitting operation of tire 2; Wherein, need not to establish a plurality of air extractor vents on the bundle net 3 of this monosaccate trouble-proof tire.
The advantage of trouble-proof tire of the present invention has:
Trouble-proof tire of the present invention can be when blowing out support tire, make automobile still can continue safety traffic at leakage of tyre or after blowing out; Compared with prior art, all be better than existing trouble-proof tire at aspects such as tire traveling comfort, safety, fitting operation convenience and tire changing costs, application prospect is extensive.
For the ease of understanding, below will describe in detail trouble-proof tire of the present invention by concrete drawings and Examples.It needs to be noted, instantiation and accompanying drawing only are in order to illustrate, obviously those of ordinary skill in the art can illustrate according to this paper, within the scope of the invention the present invention is made various corrections and change, and these corrections and change are also included in the scope of the present invention.
Description of drawings
Fig. 1 is tire cross-section scheme drawing among the present invention.
Fig. 2 is that bundle net cord among the present invention, bundle net wheel limit and bundle net band bundle move towards scheme drawing.
Fig. 3 is bundle net scheme of installation among the present invention.
Fig. 4 is bundle net dismounting scheme drawing among the present invention.
Fig. 5 is that the parallel axletree of ball-loading hole guard shield side opening sight line is looked scheme drawing among the present invention.
Fig. 6 is dress ball system principle scheme drawing among the present invention.
Fig. 7 is monosaccate scheme tire cross-section scheme drawing among the present invention.
Among Fig. 1～Fig. 7, the 1st, air bag; the 2nd, tire; the 3rd, the bundle net; the 4th, tire-bundle net gap; the 5th, the wheel hub tyre surface; the 6th, bundle net wheel limit; the 7th, tire wheel limit; the 8th, mesh; the 9th, the air bag gap; the 10th, tire belt; the 11st, bundle net band bundle; the 12nd, wheel hub flange projection; the 13rd, bundle net sidewall/radial cord; the 14th, the ring-type cord; the 15th, the wheel hub tread grooves; the 16th, ball-loading hole; the 17th, the ball-loading hole guard shield; the 18th, the ball-loading hole lid; the 19th, the ball-loading hole screw thread; the 20th, ball-loading hole lid screw thread; the 21st, ball-loading hole lid shoulder; the 22nd, " O " RunddichtringO; the 23rd, tire valve; the 24th, the ball-loading hole back up ring; the 25th, ball-loading hole guard shield collar extension; the 26th, the pressure ball wheel; the 27th, the dress bulb; the 28th, collection ball funnel; the 29th, side opening; the 30th, lower tire side wall; the 31st, the air bag platform; the 32nd, the air bag platform support; the 33rd, the air bag valve; the 34th, the dentation outer process; the 35th, the dentation inner process; the 36th, the air bag platform edges; the 37th, air bag platform edges groove; the 38th, airbag wall; the 39th, resistance ball sheet notch; the 40th, tire protector; the 41st, bundle net tyre surface; the 42nd, air bag platform-wheel hub tread grooves gap; the 43rd, inner tube of a tyre shape monosaccate.
The specific embodiment
As shown in Figure 1, the present invention adopts 16 inches wheel hubs, 205/55 R16 radial-ply tyre, front-wheel; Many air bags in the bundle net; Air bag 1 is spherical, but material is rubber pneumatic bag 1 surface coating tetrafluoroethylene; Described air bag 1 wall includes meridian wire nylon, polyamide fibre or polyester fiber cord; Air bag 1 is interior hollow, is full of pressurized air or nitrogen, and its pressure is 250kPa (front-wheel air bag) or 300kPa (trailing wheel air bag).Air bag 1 diameter is 3.6cm.
As shown in Figure 1 and Figure 2, bundle net wheel limit 6, the radial cord 13 of bundle net 3 sidewalls, ring-type cord 14 and bundle net 3 band Shu Junyong steel wires are made, and its intersection is by being welded to connect, and form approximate foursquare mesh 8; Mesh 8 is less than the air bag 1 in the bundle net 3, and the length of side of square mesh 8 is 1cm; The steel cord surface scribbles one deck rubber, and then twines one deck nylon, polyamide fibre or polyester fiber cord, is coated with one deck rubber again, and nylon, polyamide fibre or polyester fiber cord are wrapped in around the steel cord; Above-mentioned fibre-bearing fiber-reinforced rubber coating also can have multilayer.Inboard 11 layers of bundle net band bundles also is lined with one deck nylon or polyamide fibre cord, has air extractor vent with mesh 8 mappings place on the cord.Scribble one deck rubber between bundle net band bundle 11 and the cord, the cord surface also is coated with one deck rubber again, but rubber coating closed vent hole not.Bundle net band bundle 11 parallels with the tire belt 10 of radial-ply tyre; The radius of a circle of bundle net band bundle 11 is less than the radius of a circle of tire belt 10, making tire 2 reach 250kPa pressure, bundle in inflation is full of air bag 1 and bundle net band bundle in the net 3 (1 tension force that is subject to is slightly larger than or when equaling tire belt 10 suffered tension force, tire-bundle net gap 4 is 3cm.
As shown in Figure 1 and Figure 2, the length of the radial cord 13 of bundle net 3 sidewalls also is shorter than the length of the radial cord of lower tire side wall, bundle net sidewall 13 is not contacted with lower tire side wall 30, and the outermost of bundle net sidewall 13 and the closest approach of lower tire side wall be 1cm at least apart.
Described bundle net 3 is held in the wheel hub tread grooves 15 by the bundle net wheel limit 6 of both sides; Bundle net wheel limit 6 is positive circular steel wire strand circles that radius equals tire wheel limit 7, and its periphery scribbles one deck rubber.Bundle net wheel limit 6 is near the inboard on tire wheel limit 7, and is uniformly distributed in whole 8 couple steel projection with holes of taking turns the limit circumference and interconnected by 8 fasteners with crossing between the two; Fastener is a steel screw, and the screw thread that matches is arranged in the hole on the projection, and screwing screw can be fixed together the steel projection from bundle net wheel limit 6 and tire wheel limit 7.Bundle net 3 is installed to tire 2 on the wheel hub after being fixed together with tire 2 according to a conventional method, and bundle net 3 can be installed on the wheel hub with tire 2.
Such as Fig. 1, Fig. 3, shown in Figure 5, be provided with the circular hole that an internal diameter is 4cm at wheel hub tyre surface 5, namely ball-loading hole 16; After bundle net 3 and tire 2 are installed on the wheel hub, (front-wheel take normal inflation as 250kPa is example) is by the spherical envelope 1 of ball-loading hole 16 to bundle net 3 interior filling diameters as 3.6cm in the situation that tire 2 is not yet inflated, until be full of air bag 1 in the bundle net 3, then firmly continue toward bundle net 3 interior filling air bags 1, to the last an air bag 1 is pushed down into bundle net 3 in 26 thrust-kilograms, keep 26 thrust-kilograms with the air bag 1 that prevents from having loaded under bundle net 3 interior resiliences condition out, with the ball-loading hole lid 18 of a steel, the air bag 1 that will load by screwing ball-loading hole lid 18 is enclosed in the space of restrainting between net 3 and the wheel hub tyre surface 5.Ball-loading hole lid 18 is comprised of two concentric solid cylinders that become one.Ball-loading hole builds the cylinder that 18 front ends are external diameter 4cm, height 1.2cm, and its side has the ball-loading hole lid screw thread (20) that matches with ball-loading hole screw thread (19); Ball-loading hole lid (18) rear end is the cylinder of an external diameter 6cm, height 0.5cm, and its outstanding outer circular edge forms the ball-loading hole lid shoulder 21 (as shown in Figure 1) of wide 1cm.
Between ball-loading hole lid shoulder 21 and ball-loading hole 16, establish " O " RunddichtringO 22 that a rubber is made; " O " RunddichtringO 22 is the annular rubber ring of internal diameter 4.5cm, external diameter 5.5cm; " O " RunddichtringO 22 is inlayed in the annular groove around ball-loading hole 16 outsides (in the face of a side of axletree), and " O " RunddichtringO 22 still exceeds ball-loading hole 16 outer side planes after being embedded in the groove, after screwing ball-loading hole lid 18, ball-loading hole lid shoulder 21 compresses " O " RunddichtringO 22, make ball-loading hole 16 complete closed reach airtight effect, not only air bag is enclosed in the bundle net 3, can lose heart from ball-loading hole 16 after also making tire 2 inflation.In the periphery of ball-loading hole 16 a ball-loading hole guard shield 17 that is hollow cylindrical is installed, the center of circle of its two ends circular open all with the center of circle of ball-loading hole 16 on same axle; Ball-loading hole guard shield 17 is steel, and its internal diameter is 6.2cm, external diameter 7.2cm, wall thickness 0.5cm; One end of ball-loading hole guard shield 17 is aimed at ball-loading hole 16, other end opening part have one inwardly shrink, internal diameter is the annular arrangement ball-loading hole back up ring (24) of 4.5cm, because of the external diameter of its internal diameter less than ball-loading hole lid 18, but the diameter greater than air bag 1, air bag 1 can be packed into by ball-loading hole back up ring 24 to be restrainted in the net 3, but from then on ball-loading hole lid 18 ejects in the hole, thereby the ball-loading hole that prevents from when tire 2 is not exitted, outwarding winding mistakenly lid 18, and ball-loading hole lid 18 is outwards ejected under tire 2 chamber inner high voltage effects; Installation and the taking-up of described ball-loading hole lid 18 are then finished (as shown in Figure 5) by a side opening 29 on ball-loading hole guard shield 17 sides; The side projection of the shape of side opening 29 and ball-loading hole lid 18 matches, and is slightly larger than the side projection of ball-loading hole lid 18, so that ball-loading hole lid 18 after screwing off from ball-loading hole 16, can laterally take out from side opening 29.
In addition, also be provided with a special automatic mounting ball equipment (as shown in Figure 6), can be easily and quickly to bundle net 3 interior filling spherical envelope 1, and bundle net 3 is tightened reach rated tension; This dress ball equipment comprises collection ball funnel 28, pressure ball wheel 26 and dress bulb 27; The outlet internal diameter of collection ball funnel 28 and dress bulb 27 internal diameters are 4cm, make air bag 1 enter successively dress bulb 27 because gravity forms a line from collection ball funnel 28; Be provided with dentation outer process 34 in the outside of ball-loading hole guard shield 17, dentation outer process 34 can fill bulb 27 collar extensions and mutually fastening by rotation with the dress bulb 27 inboard correspondence positions of outlet and the dentation inner process 35 that matches, and connects ball-loading hole guard shield 17 and dress bulb 27 with this; The mutual fastening of above-mentioned dentalation, connect the intensity reach and need resist when filling ball by specified dress ball pressure in the bundle net 3 tension force of this communication port generation, in the present embodiment should be greater than 26 kilograms.
Described dress bulb 27 is steel, wall thickness 0.5cm; Side, stage casing at dress bulb 27 has notch, steel pressure ball wheel 26 is set herein, the partial blade of pressure ball wheel 26 embeds in the notch of dress bulb 27, and formed circular arc incision pressure ball was taken turns 26 places and approached but do not surmount dress bulb 27 central axis as good when the degree that the pressure ball impeller blade embeds dress bulb 27 notches was rotated take pressure ball wheel 26.At dress bulb 27 same positions a pair of pressure ball wheel 26 is set symmetrically, it is pressed synchronously opposite sense and rotates, and air bag 1 is then produced unidirectional thrust from both sides; By one group of gear two pressure ball wheels 26 are interconnected, make it keep rightabout synchronous rotation.The device that drives 26 rotations of pressure ball wheel is a strength restraint device, after pressure ball wheel 26 filling air bags 1 make bundle net 3 reach rated tension, can automatically stop operating; Also can take turns 26 at pressure ball pressure sensor is set, when being measured to the pressure ball resistance and reaching rated value, send electric signal, cut off the power supply and the power that drive pressure ball wheel 26, also can send simultaneously sound and optic signal, prompting dress ball is complete.Spherical envelope 1, inflation pressure for 3.6cm are the tire of 250kPa, and it is 26 kilograms that two pressure ball wheels 26 rotate the strength that promotes air bag 1 synchronously.The pressure ball wheel is driven by one group of gear or rotation band by an electrical motor.Promoting air bag 1 when pressure ball wheel rotates is pressed in the bundle net 3 through dress bulb 27, ball-loading hole 16, be full of air bag 1 rear continuation in the net 3 toward restrainting filling air bag 1 in the net 3, until the resistance that air bag 1 moves ahead reaches 26 kilograms, equates with the propelling thrust of pressure ball wheel and automatically stops to restrainting in dress bulb 27; Restraint net 3 and be in tensioned state this moment, and the air bag 1 of wherein filling can not roll in bundle net 3 and produce noise and heat.
On side opening 29 limits of ball-loading hole guard shield 17, more close bundle net 3 one sides arrange 39 (as shown in Figure 5) of a resistance ball sheet notch; Resistance ball sheet is for inserting this resistance ball sheet notch 39 and blocking the steel disc that air bag 1 moves, and thickness is 0.5cm.As shown in Figure 6, after air bag 1 being full of bundle net 3 by dress ball system and reaching rated pressure, stop to fill ball, in resistance ball sheet notch 39, insert flat resistance ball sheet, remove the dentation that dress bulb 27 is connected with the ball-loading hole guard shield by rotation and connect, withdraw from dress bulb 27; And this moment since resistance ball sheet stop the air bag 1 that is filled in bundle net 3 can resilience out; Can cover ball-loading hole in the 18 laterally inserted ball-loading hole guard shields 17 this moment by the side mouth of ball-loading hole guard shield 17; After withdrawing from resistance ball sheet, by ball-loading hole guard shield collar extension 25, insert the special screwdriver that matches with ball lid 18 upper top groove shapes, with at least 26 kilograms thrusts ball-loading hole lid 18 is pushed up to ball-loading hole 16, and screw simultaneously ball-loading hole lid 18, it is tightened on the ball-loading hole 16 by screw thread 19 and 20, and not only the air bag 1 of filling is enclosed in the bundle net 3, and makes ball-loading hole 16 reach rate of pressurization by compressing " O " RunddichtringO 22.
After air bag 1 loads complete and seals ball-loading hole lid 18, reach the 250kPa rated pressure by tire valve 23 to tire 2 interior inflations.
During remove a tyre 2, should by tire valve 23 tire 2 be vented to the tire inner and outer air pressure first and equate, then outward winding, take out ball-loading hole lid 18, take out several spherical envelope 1 from ball-loading hole and make bundle net 3 lax; And then by common tire dismantling method wheel hub is peeled off together with the bundle net wheel limit 6 that links together in one side wheel tire wheel limit 7, the spherical envelope 1 that all the other air bags 1 in the bundle net 3 can be poured out from the bundle net wheel limit 6 of peeling off and pour out with a collection funnel.Meet in the bundle net 3 of again to pack into after the pressure requirement through detection after spherical envelope 1 reclaims and use.
Described bundle net 3 and spherical envelope 1 need be born separately 600 kilograms peak load in the situation that tire 2 loses heart, spherical envelope 1 interior accessible maximum inflation pressure is 350kPa.
As shown in Figure 7, the present invention adopts 16 inches wheel hubs, 205/55 R16 radial-ply tyre, front-wheel; Be monosaccate in the bundle net; Air bag in the described bundle net 3 is the inner tube of a tyre shape monosaccate 43 that is full of whole bundle net 3 after the inflation; Structure and above-described embodiment 1 of bundle net 3 similar, its bundle net band bundle 11 is parallel with tire belt, restraints the net tyre surface and parallels with tire protector 40; Difference is that the bundle net 3 of monosaccate scheme is less.Described inner tube of a tyre shape monosaccate 43 does not communicate with tire 2 inner chambers, their each own independent valves.Take front-wheel as example, inner tube of a tyre shape monosaccate 43 is inflated to 280kPa by its exclusive air bag valve 33, and tire 2 then is inflated to 250kPa by tire valve 23, and this moment, tire-bundle net gap 4 was 4cm.
The circle diameter of described air bag platform edges 36 equals the circle diameter of the wheel hub tread grooves 15 on wheel hub tyre surface 5 both sides, namely from the tire section, air bag platform edges 36 equals the height of wheel hub tread grooves 15, air bag platform 31 centers are downward curved depression (its nadir is apart from the wheel hub tyre surface 0.5cm of depression) then, it can will be restrainted when inner tube of a tyre shape monosaccate 43 is not inflated holds wherein after net 3 and inner tube of a tyre shape monosaccate 43 compress together, make its level height that does not exceed wheel hub tread grooves 15, and do not hinder the installation of tire 2.Air bag platform-wheel hub tread grooves gap 42 wide 1cm, on the formed circumference parallel with air bag platform edges 36 in this gap, bridge load that 16 width are 2cm connects to wait equably camber line to distribute, can under the prerequisite in incomplete closed airbag platform-wheel hub tread grooves gap 42, prevent that tire wheel limit 7 from snapping in air bag platform-wheel hub tread grooves gap 42 in the process of mounting tyre 2.
In the running car, the heat that tire 2 produces not only can distribute by lower tire side wall 30, also can distribute from wheel hub tyre surface 5 by the air extractor vent on air bag platform-wheel hub tread grooves gap 42 and the air bag platform support 32.Described inner tube of a tyre shape monosaccate 43 is established an air bag valve 33 independently, and air bag valve 33 leads to outside the tire through air bag platform 31 and wheel hub tyre surface 5 respectively, and its outer end is marked with different colours or symbol and distinguishes with the intrinsic tire valve 23 of tire 2; Can be to the 43 interior inflations of inner tube of a tyre shape monosaccate by air bag valve 33, then to tire 2 interacvity air-fillings, both tire valve 23 do not communicate.When mounting tyre 2 not yet, bundle net 3 and inner tube of a tyre shape monosaccate 43 are installed first; Inner tube of a tyre shape monosaccate 43 and bundle net 3 are installed on the air bag platform 31, and 6 on limit of two lateral bundle nets wheel snaps in respectively in the air bag platform edges groove 37 on air bag platform 31 both sides.
The first-class arc length of whole circumference on each bundle net wheel limit 6 16 lamellar projections with hole, diameter 0.3cm garden that distributing equably, these 16 steel lamellar projections stretch out laterally from each bundle net wheel limit 6, and then also have 16 with the lamellar projection in hole, diameter 0.3cm garden on the air bag platform edges 36 at its corresponding position; When bundle net wheel limit 6 is held in the air bag platform edges groove 37, on the bundle net wheel limit 6 hole, garden of lamellar projection with the air bag platform edges 36 at its corresponding position on the hole, garden of lamellar projection just align, and screw thread is arranged in the hole, two gardens, screw in the hole, garden of these two alignment with the bolt of an external diameter 0.3cm, two lamellar projections are fixed together; To restraint net wheel limit 6 by the method bolt that is 0.3cm with 16 external diameters altogether is fixed on the air bag platform edges 36.When mounted, put into bundle net 3 after not yet the inner tube of a tyre shape monosaccate 43 of inflation flattens, by air bag valve 33 air in the inner tube of a tyre shape monosaccate 43 is found time, produce therein negative pressure, it is compressed in the depression of air bag platform 31 together with bundle net 3, make mounted bundle net 3 and inner tube of a tyre shape monosaccate 43 not be higher than air bag platform edges 36, thereby do not hinder the installation of tire 2, and then mounting tyre 2 according to a conventional method; Installing tire wheel limit 7, rear both sides is closely buckled in the wheel hub tread grooves 15.First in inner tube of a tyre shape monosaccate 43, be inflated to 280kPa behind bundle net 3 and inner tube of a tyre shape monosaccate 43 installation in position, and then to and be inflated to 250kPa in the tire 2.When tire 2 loses heart, can not lose heart with the inner tube of a tyre shape monosaccate 43 that tire 2 inner chambers do not communicate, but support tire 2 can not subside it.
First with inner tube of a tyre shape monosaccate 43 venting, bundle net 3 and inner tube of a tyre shape monosaccate 43 are compressed in the arc-shaped recess of air bag platform 31 under tire 2 chamber pressure effects during remove a tyre, then with remove a tyre 2 according to a conventional method after tire 2 venting; After removing tire 2, bundle net 3 is exposed in the good visual field, and the bolt of the fixing bundle net 3 of can outwarding winding easily will be restrainted net 3 and inner tube of a tyre shape monosaccate 43 disassembles from air bag platform 31 together.
Bundle net 3 structures in this monosaccate trouble-proof tire are similar with above-described embodiment 1, seek only it and neither can passively expand, and are comparatively soft again; Bundle net wheel limit 6, the radial cord 13 of bundle net 3 sidewalls, ring-type cord 14 and bundle net 3 band Shu Junyong steel wires are made, and their intersections are by being welded to connect, and to form the length of side be the foursquare mesh 8 of 0.5cm; The steel cord surface scribbles one deck rubber, and then twines one deck nylon, polyester or polyamide fibre cord, is coated with one deck rubber again, and nylon, polyamide fibre or polyester fiber cord are wrapped in around the steel cord.Inboard at bundle net 3 also is lined with one deck nylon or polyamide fibre cord, parcel inner tube of a tyre shape monosaccate 43 under the cord; Contain one deck nylon, polyamide fibre or poly-ester fibres cord in the inner tube of a tyre shape monosaccate 43.
Described bundle net 3 and inner tube of a tyre shape monosaccate 43 need bear separately 600 kilograms peak load in the situation that tire 2 loses heart, inner tube of a tyre shape monosaccate 43 interior accessible maximum inflation pressures are 350kPa.
Present embodiment is the reduction procedure of above-mentioned " embodiment 1 ", is only applicable to the vehicle of low speed driving, such as engineering truck, beach buggy etc.The main difference part of present embodiment and above-described embodiment 1 is to have omitted bundle net 3.
The present invention adopts 16 inches wheel hubs, 205/55 R16 radial-ply tyre, front-wheel; Wheel hub and tire all with " embodiment one " in basic identical, only wheel hub tread grooves 15 is slightly narrow, just holds tire wheel limit 7 (as shown in Figure 1).Behind mounting tyre 2 according to a conventional method, directly by ball-loading hole 16 spherical envelope 1 is packed in tire 2 chambeies as built-in explosion-proof spare tyre.
Such as Fig. 1, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, when tire 2 installs but not yet inflates, with the dress ball system spherical envelope 1 that is 3.6cm by ball-loading hole 16 to tire 2 interior filling diameters, until be full of air bag 1 in the tire 2, then firmly continue toward tire 2 interior filling air bags 1, to the last an air bag 1 is pushed down in the tyre cavity in 26 thrust-kilograms, keep 26 thrust-kilograms with the air bag 1 that prevents from having loaded under tire 2 interior resiliences condition out, with the ball-loading hole of steel lid 18, be enclosed in the tyre cavity between tire 2 and the wheel hub tyre surface 5 by screwing ball-loading hole lid 18 air bags that will load 1.
After screwing ball-loading hole lid 18, ball-loading hole lid shoulder 21 compresses " O " RunddichtringOs 22, makes ball-loading hole 16 complete closed reach airtight effect, not only air bag is enclosed in the bundle net 3, can not lose heart from ball-loading hole 16 after also making tire 2 inflations; Then in tire 2, be inflated to 250kPa by tire valve 23.
Claims (14)
1. automotive internal formula burst-preventing spare wheel tire has tire (2) and wheel hub, it is characterized in that, also comprises air bag (1) and bundle net (3); Described bundle net (3) is located in the tire (2), holds air bag (1) in bundle net (3), described tire (2) be connected net (3) and be connected with wheel hub, establish ball-loading hole (16) on the described wheel hub.
2. by automotive internal formula burst-preventing spare wheel tire claimed in claim 1, it is characterized in that described automotive internal formula burst-preventing spare wheel tire comprises two kinds of specifications of many air bags trouble-proof tire and monosaccate trouble-proof tire.
3. by automotive internal formula burst-preventing spare wheel tire claimed in claim 2, it is characterized in that the profile of described air bag 1 is sphere, olive shape, ellipse, centrum or polyhedron-shaped; Air bag (1) integral sealing, inner inflatable or filling are solid sphere, its surface is coated with the material that can reduce surperficial frictional resistance.
4. by automotive internal formula burst-preventing spare wheel tire claimed in claim 3, it is characterized in that described air bag (1) adopts rubber, butyl rubber material to make; Wherein, adopt cord or cord to strengthen in the airbag wall (38), described cord, cord adopt steel wire, carbon fiber wire, nylon wire, poly-ester fibres or polyamide fibre material.
5. by automotive internal formula burst-preventing spare wheel tire claimed in claim 3, it is characterized in that the quantity of described air bag (1) is more than 1 or 1; Air bag does not interconnect between (1), and the pressure in the air bag (1) is not less than the normal inflation of the tire (2) at its place greater than barometric pressure.
6. by automotive internal formula burst-preventing spare wheel tire claimed in claim 2, it is characterized in that described bundle net (3) is installed in the cavity of tire (2), is fixed on the wheel hub tyre surface (5); The volume of this bundle net (3) does not contact with tire (2) less than the volume of tire (2) inner chamber.
7. by automotive internal formula burst-preventing spare wheel tire claimed in claim 2, it is characterized in that described bundle net (3) adopts, and material flexible, folding, that be difficult for being expanded is made, and is selected from steel wire, nylon, polyester, polyamide or carbon fibre material; The bundle inboard coat with rubber of net (3) or covering cord, two lateral bundle nets wheel limits (6) link to each other by radial cord (13), radial cord (13) intersects with ring-type cord (14), form net structure, its mesh (8) is less than the air bag (1) in the bundle net (3).
8. by automotive internal formula burst-preventing spare wheel tire claimed in claim 7, it is characterized in that described bundle net wheel limit (6) adopts steel wire, polyester, polyamide, carbon fiber or nylon wire material to make; The upper coating rubber in bundle net wheel limit (6), it strides across wheel hub flange projection (12) and is installed in two wheel hub tread grooves (15); Described radial cord (13) is taken turns limit (6) from outer felt around two lateral bundle nets.
9. by automotive internal formula burst-preventing spare wheel tire claimed in claim 7, it is characterized in that, described two lateral bundle net sidewalls (13) are symmetric relation, and bundle net (3) is fixed on the wheel hub tyre surface (5) by two bundle net wheel limits (6) that are closely buckled in the wheel hub tread grooves (15); Bundle net wheel limit (6) is positioned at tire wheel inboard, limit (7), and described bundle net (3) forms the bundle net tyre surface (41) parallel with tire protector (40) with bundle net band bundle (11).
10. by claim 1 or 2 described automotive internal formula burst-preventing spare wheel tires, it is characterized in that, establish ball-loading hole (16) and ball-loading hole lid (18) on its tyre surface of described wheel hub (5), be provided with seal ring (22) therebetween; Establish ball-loading hole screw thread (19) and ball-loading hole lid screw thread (20) on the ball-loading hole lid (18), the ball-loading hole lid shoulder (21) that outstanding its outer rim is arranged on the ball lid (18), after screwing ball-loading hole lid (18), ball-loading hole lid shoulder (21) press seal circle (22) makes and reaches airtight effect
11., it is characterized in that the air bag of described sealing (1) is packed into by ball-loading hole (16) and restrainted net (3) by claim 3 or 10 described automotive internal formula burst-preventing spare wheel tires.
12. by automotive internal formula burst-preventing spare wheel tire claimed in claim 1, it is characterized in that, the upper perforate of its wheel hub tyre surface (5) of described wheel hub forms ball-loading hole (16), and ball-loading hole guard shield (17) welds or is installed on the wheel hub tyre surface (5) by screw thread or rivet.
13. by the described automotive internal formula of claim 12 burst-preventing spare wheel tire; it is characterized in that; described ball-loading hole guard shield (17) is located at the periphery of ball-loading hole (16); be hollow cylindrical; this ball-loading hole guard shield collar extension place establishes the annular arrangement ball-loading hole back up ring (24) of inside contraction, and the internal diameter of ball-loading hole back up ring (24) is less than the external diameter of ball-loading hole lid (18), greater than the diameter of air bag (1).
14. by the described automotive internal formula of claim 12 burst-preventing spare wheel tire, it is characterized in that, side opening (29) is established in described ball-loading hole guard shield (17) side, and side opening (29) limit, close bundle net (3) one sides are provided with resistance ball sheet notch (39).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315496.8A CN103042886B (en) | 2011-10-17 | 2011-10-17 | Built-in explosion-proof spare tire for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110315496.8A CN103042886B (en) | 2011-10-17 | 2011-10-17 | Built-in explosion-proof spare tire for automobile |
Publications (2)
| Publication Number | Publication Date |
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| CN103042886A true CN103042886A (en) | 2013-04-17 |
| CN103042886B CN103042886B (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110315496.8A Expired - Fee Related CN103042886B (en) | 2011-10-17 | 2011-10-17 | Built-in explosion-proof spare tire for automobile |
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| Country | Link |
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| CN (1) | CN103042886B (en) |
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| CN114379291A (en) * | 2022-03-24 | 2022-04-22 | 山东玲珑轮胎股份有限公司 | Safety locking device for inner support of tire |
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| US20030019553A1 (en) * | 2001-07-27 | 2003-01-30 | Yun Song Moon | Run-flat system for pneumatic tires utilizing air-filled elastic balls |
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| Publication number | Publication date |
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| CN103042886B (en) | 2016-03-30 |
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