CN209795078U - Multi-cavity gas storage explosion-proof tire - Google Patents

Abstract

The utility model discloses a multi-chamber gas storage run-flat tire, including tire and wheel hub, wheel hub's outside cover is equipped with the tire, and is equipped with the valve cock on wheel hub's the circumference, and valve cock and wheel hub threaded connection and opposite direction, and the inside of valve cock is equipped with the core groove, and the core groove is "conical", and the bottom in core groove is equipped with the airway, and the airway is "annular" and distributes on the circumference in core groove, and the airway is a plurality ofly. This multi-chamber gas storage run-flat tire, through the cooperation between first gasbag and the second gasbag, under the effect of first pipe and second pipe, inflate first gasbag and second gasbag, make the inside tire pressure homodisperse of tire, and then make the tire receive still for the tire provides stable holding power after the damage, the local tire pressure unstability of tire can not appear and leads to the broken aggravation of tire, thereby overcome run-flat tire in the use, be fit for using widely.

Description

Multi-cavity gas storage explosion-proof tire

Technical Field

The utility model relates to an explosion-proof tire technical field specifically is a multi-chamber gas storage explosion-proof tire.

background

With the development of national economy, the life of people is improved, social vehicles are multiplied, and traffic accidents are gradually increased. The loss can not be borne by families, so that the attention of the whole society is paid, the explosion-proof tires in the market are various, and the following three reasons are provided for the reason that most vehicle owners do not select the explosion-proof tires:

Firstly, the price is high: the price of the common explosion-proof tire is 50% higher than that of the common tire, and a special wheel hub is used, so that the tire is difficult to repair after the puncture area exceeds the limit of the explosion-proof tire, and the tire is generally replaced by a new tire;

Secondly, the comfort is poor: the rigidity of the explosion-proof tire is high, and the flat ratio of the tire is small due to technical reasons, so that the tire is not comfortable when bumpy and has high noise;

thirdly, difficult repair: due to the fact that the tire wall of the run-flat tire is thickened, the internal structure of the run-flat tire is more complex, the run-flat tire is more difficult to repair compared with a common tire, once the bearable damage limit of the run-flat tire is broken through, the repair is lost, only the new tire can be used, loss is caused to an owner economically, and therefore the run-flat tire is safe, cheap and repairable for a common household vehicle with higher pursuit performance price.

Fourthly, the repairable cost is low: the tire burst is a very serious safety accident, according to statistics, 70 percent of the accident traffic accidents of the domestic expressway are caused by the tire burst, and the death rate of the tire burst is close to 100 percent when the speed per hour is over 160 kilometers; in the prior art, for example, a utility model with application number 201710466170.2 includes an inner tube with a valve core and an outer tube sleeved outside the inner tube, wherein a plurality of air storage balloons which are connected in series through check valves are distributed in a cavity of the inner tube; the gas outlet of valve core stretches into the head end store up in the cavity of balloon, at the tail end store up and be equipped with the intercommunication on the ball wall of balloon the ball wall check valve of the cavity of the inner tube of a tyre, this utility model though simple structure, but there are a lot of not enough and defects, in current equipment, there is the defect in the design of gas storage ball, in the use, in case a plurality of storage balloons are pricked simultaneously, still can cause the intensity of pressure unstability of cavity inside, lead to the holding power of rubber tire not enough, take place the traffic accident, user's purchasing cost has been increased, to these circumstances, for avoiding above-mentioned technical problem, do it necessary to provide a multi-chamber gas storage run-flat tire in order to overcome prior art the defect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-chamber gas storage run-flat tire to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-cavity gas storage run-flat tire comprises a tire and a hub, wherein the tire is sleeved outside the hub, a valve plug is arranged on the circumference of the hub, the valve plug is in threaded connection with the hub in opposite direction, a core groove is formed in the valve plug, the core groove is conical, an air guide channel is formed in the bottom of the core groove and is distributed on the circumference of the core groove in an annular shape, the air guide channels are multiple, a valve core is arranged in the core groove and is in threaded connection with the core groove in opposite direction, a bottom plate is arranged at the bottom of the valve plug and is connected with a flange on the hub in an inserting mode, a second guide pipe and a first guide pipe are sequentially arranged on the bottom plate from top to bottom, the first guide pipe and the second guide pipe are multiple, the first guide pipe and the second guide pipe respectively penetrate through the bottom plate in an interference mode, and the first guide pipe and the second guide pipe are respectively connected with the air guide channel, the inside outside-in of tire is equipped with second gasbag and first gasbag in proper order, and the second gasbag cup joints with first gasbag and links to each other, and first gasbag passes through first pipe and links to each other with the valve plug, and first gasbag bonds with first pipe and links to each other, and the second gasbag passes through second pipe and valve plug, and the second gasbag bonds with the second pipe and links to each other, and the quantity of first gasbag and second gasbag is the same.

Preferably, the bottom cover of valve inside is equipped with the cushion, and the cushion links to each other with the valve inside bonding, and the cushion is used for promoting the sealing performance of core groove and valve inside junction.

Preferably, the outside of tire is equipped with anti-skidding arris, and anti-skidding arris and tire set up as an organic whole, and anti-skidding arris is used for increasing the frictional force of tire and ground, promotes the ground ability of grabbing of tire.

Preferably, the wall thickness of the first air bag is 5-20mm, the number of the first air bags is different according to the use function, the number of the first air bags is 1-6, and the air pressure of the first air bags is 1.6-2.0 bar.

Preferably, the wall thickness of the second air bag is 5-20mm, the number of the second air bags is different according to the use function, the number of the second air bags is 1-6, and the air pressure of the second air bags is 0.2-1.0 bar.

Compared with the prior art, the beneficial effects of the utility model are that: the multi-cavity gas storage explosion-proof tire inflates the first air bag and the second air bag under the action of the first guide pipe and the second guide pipe through the matching between the first air bag and the second air bag, so that the tire pressure in the tire is uniformly distributed, each guide pipe and each air bag are of an independent structure, the air bags and the air bags are not connected in series, the integral reduction of the air pressure in the tire caused by the fact that one air bag is pricked is avoided, the air pressure of only the pricked air bag is reduced, stable supporting force is provided, the tire breakage aggravation caused by the instable local tire pressure of the tire is avoided, the first air bag and the second air bag can ensure that the tire can keep running after being pricked in the running process of a vehicle under the condition of not changing the original state of the tire and a hub, the repairability is very high, each tire only increases 30-40 yuan economically and cannot cause great trouble to a vehicle owner, four or, according to the method of small outside and large inside, the second air bag is a small-diameter tire liner, each stored air pressure accounts for 10 percent of the total stored air volume, if three liners are pricked, the stored air volume in the tire can not cause unstable direction even if 70 percent of the stored air volume is remained, the vehicle is out of control, thereby causing great harm to drivers and passengers, the service life of the tire casing can be prolonged after the invention is used, and simultaneously, the maintenance is convenient, the cost is low, thereby overcoming the defects that once a plurality of air storage balloons are pricked simultaneously in the use process of the explosion-proof tire, the pressure in the cavity can still be unstable, the supporting force of the rubber tire is insufficient, traffic accidents are caused, the purchase cost of users is increased, the defects that the inner part of the rubber tire is separated by the air storage balloons in the existing explosion-proof tire, the air pressure in the rubber tire is uniformly distributed, the practical function is single are overcome, the working efficiency and the service life of the, the existing multi-cavity gas storage run-flat tire can be recognized in the market, the product quality of the multi-cavity gas storage run-flat tire is improved, the purchasing cost of a user is saved, the resource waste of the multi-cavity gas storage run-flat tire is avoided, and the multi-cavity gas storage run-flat tire is suitable for popularization and use.

drawings

FIG. 1 is a schematic structural view of a four-cavity gas storage run-flat tire;

FIG. 2 is a side cross-sectional view taken at A of FIG. 1;

FIG. 3 is a schematic view of the connection at B in FIG. 1;

Fig. 4 is a schematic structural view of a six-cavity gas storage run-flat tire.

In the figure: 1. the tire comprises a tire body, 2, a hub, 3, a valve plug, 4, a bottom plate, 5, an air guide channel, 6, a core groove, 7, a valve core, 8, a rubber pad, 9, a first air bag, 10, a first guide pipe, 11, a second air bag, 12, a second guide pipe, 13 and an anti-skid edge.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a multi-cavity gas storage explosion-proof tire comprises a tire 1 and a hub 2, wherein the tire 1 is made of rubber, the hub 2 is made of stainless steel, the tire 1 is sleeved outside the hub 2, an anti-slip edge 13 is arranged outside the tire 1, the anti-slip edge 13 and the tire 1 are integrally arranged, the anti-slip edge 13 is used for increasing the friction force between the tire 1 and the ground and improving the grip capability of the tire 1, an air valve plug 3 is arranged on the circumference of the hub 2, the material of the air valve plug 3 is the same as that of the hub 2 and is used for fixing an air valve core 7, the air valve plug 3 is in threaded connection with the hub 2 and has opposite direction, a core groove 6 is arranged inside the air valve plug 3, the core groove 6 is used for accommodating the air valve core 7, the bottom of the core groove 6 is provided with an air guide channel 5, the air guide channel 5 is used for fixing a first guide pipe 12 and a second guide pipe 10, and the air guide channel 5 is distributed on the circumference of, the number of the air guide channels 5 is 1-10, and is equal to the sum of the number of the first air bags 9 and the number of the second air bags 11, the valve core 7 is arranged in the core groove 6, the valve core 7 inflates the first air bags 9 and the second air bags 11, the valve core 7 is in threaded connection with the core groove 6 in an opposite direction, the bottom of the valve core 7 is sleeved with a rubber cushion 8, the rubber cushion 8 is connected with the valve core 7 in an adhesive manner, the rubber cushion 8 is used for improving the sealing performance of the connection part of the core groove 6 and the valve core 7, the bottom of the valve plug 3 is provided with a bottom plate 4, the bottom plate 4 is used for fixing a first guide pipe 10 and a second guide pipe 12, the bottom plate 4 is connected with a flange on the hub 2 in an inserting manner, the bottom plate 4 is sequentially provided with a second guide pipe 12 and a first guide pipe 10 from top to bottom, the first guide pipe 10 and the second guide pipe 12 are respectively used for connecting the valve plug 3 and the air bags, and the air pumps can inflate the first air bags 9 and the second air, the first guide pipe 10 and the second guide pipe 12 are both multiple, the first guide pipe 10 and the second guide pipe 12 respectively penetrate through the bottom plate 4, the first guide pipe 10 and the second guide pipe 12 are respectively connected with the air duct 5 in an interference mode, the second air bag 11 and the first air bag 9 are sequentially arranged inside the tire 1 from outside to inside, the number of the first air bags 9 and the number of the second air bags 11 in the tire 1 are the same according to different using functions, the four cavities are shown in figure 1, the six cavities are shown in figure 4, the six cavities divide air pressure in the tire 2 more uniformly, the tire is suitable for special vehicles such as military vehicles and the like, the stable and safe function can be shown in the environment with poor road conditions, the price is 20-60 yuan higher than that of a common tire, the second air bags 11 are connected with the first air bags 9 in a sleeved mode, the wall thickness of the first air bags 9 is 5-20mm, and the number of the first air bags 9 is different according to the using functions, the number of the first air bags 9 is between 1 and 6, the air pressure of the first air bags 9 is between 1.6 and 2.0bar, the first air bags 9 are connected with the valve plug 3 through the first guide pipe 10, the first air bags 9 are connected with the first guide pipe 10 in an adhesion mode, the second air bags 11 are connected with the valve plug 3 through the second guide pipe 12 in an adhesion mode, the second air bags 11 are connected with the second guide pipe 12 in an adhesion mode, the number of the first air bags 9 is the same as that of the second air bags 11, the wall thickness of the second air bags 11 is between 5 and 20mm, the number of the second air bags 11 is different according to different use functions, the number of the second air bags 11 is between 1 and 6, and the air pressure of the second air bags 11 is between 0.2 and 1.0 bar.

a multi-cavity gas storage explosion-proof tire comprises a tire 1, a hub 2, a valve plug 3, a bottom plate 4, an air duct 5, a core groove 6, a valve core 7, a rubber cushion 8, a first air bag 9, a first conduit 10, a second air bag 11, a second conduit 12, an anti-slip edge 13 and other parts, wherein the main matching dimension, especially the interference fit dimension and the related precision of the parts are rechecked before assembly, when the same part is fastened by a plurality of screws (bolts), the screws (bolts) need to be crossed, symmetrical, gradual and uniformly screwed, whether the valve core 7 and the valve plug 3 are screwed or not needs to be checked before inflation, if the valve core 7 and the valve plug 3 are loosened, the valve core 7 needs to be screwed by a wrench to enable the valve core 7 and the core groove 6 to be firmly connected, an external air pump is used for inflating the valve core 7, the tire pressure is 2.2-2.5bar, and attention needs to be paid here, the standard air pressure of the automobile tires in winter is properly increased by about 0.2bar according to the principle; in summer, according to the standard lower limit of the air pressure of the automobile tire; in summer, the vehicle is parked in the open air, and the air pressure can be generally about 0.1bar lower than the standard so as to avoid high-temperature tire burst; air enters the first guide pipe 10 and the second guide pipe 12 through the valve core 7 and the valve plug 3, the compressed air makes the first guide pipe 10 and the second guide pipe 12 swell under the action of high pressure and is driven into the first air bag 9 and the second air bag 11, the first guide pipe 10 and the second guide pipe 12 are made of latex materials and have elasticity, when the high-pressure air stops being injected, the swelling state of the first guide pipe 10 and the second guide pipe 12 is changed into a normal state under the action of elasticity, a gas injection pore channel is closed, the inflation is completed, the first air bag 9 and the second air bag 11 uniformly divide the tire pressure inside the tire 2, the tire pressure can be effectively prevented from being unstable locally after the tire 2 is pricked, when the second air bag 11 is pricked, the tire pressure inside the second air bag 11 leaks, the air pressure inside the first air bag 9 can provide stable support for the tire 2, the tire pressure inside the second air bag 11 is one fourth of the total tire pressure inside the tire, the cruising ability of the vehicle is ensured, and the safety performance is improved.

in the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a multi-chamber gas storage run-flat tire, includes tire (1) and wheel hub (2), its characterized in that: the tyre is characterized in that a tyre (1) is sleeved outside the wheel hub (2), the circumference of the wheel hub (2) is provided with an air valve plug (3), the air valve plug (3) is in threaded connection with the wheel hub (2) in an opposite direction, a plurality of core grooves (6) are arranged inside the air valve plug (3), the core grooves (6) are conical, air guide channels (5) are arranged at the bottoms of the core grooves (6), the air guide channels (5) are distributed on the circumference of the core grooves (6) in an annular shape, the air guide channels (5) are provided, an air valve core (7) is arranged inside the core grooves (6), the air valve core (7) is in threaded connection with the core grooves (6) in an opposite direction, the bottom of the air valve plug (3) is provided with a bottom plate (4), the bottom plate (4) is connected with a flange on the wheel hub (2) in an inserting manner, the bottom plate (4) is sequentially provided with a second guide pipe (12) and a first guide pipe, the first guide pipe (10) and the second guide pipe (12) are multiple, the first guide pipe (10) and the second guide pipe (12) penetrate through the bottom plate (4) respectively, the first guide pipe (10) and the second guide pipe (12) are connected with the air guide hole (5) in an interference mode respectively, a second air bag (11) and a first air bag (9) are sequentially arranged inside the tire (1) from outside to inside, the second air bag (11) is connected with the first air bag (9) in a sleeved mode, the first air bag (9) is connected with the valve plug (3) through the first guide pipe (10), the first air bag (9) is connected with the first guide pipe (10) in an adhesion mode, the second air bag (11) is connected with the valve plug (3) through the second guide pipe (12), the second air bag (11) is connected with the second guide pipe (12) in an adhesion mode, and the number of the first air bag (9) and the second air bag (11) is the same.

2. a multi-chamber gas storage run-flat tire according to claim 1, characterized in that: the bottom cover of valve inside (7) is equipped with cushion (8), and cushion (8) and valve inside (7) bonding link to each other, and cushion (8) are used for promoting the sealing performance of core groove (6) and valve inside (7) junction.

3. A multi-chamber gas storage run-flat tire according to claim 1, characterized in that: the outside of tire (1) is equipped with anti-skidding arris (13), and anti-skidding arris (13) and tire (1) set up as an organic whole, and anti-skidding arris (13) are used for increasing the frictional force on tire (1) and ground, promote the ability of grabbing ground of tire (1).

4. A multi-chamber gas storage run-flat tire according to claim 1, characterized in that: the wall thickness of the first air bags (9) is 5-20mm, the number of the first air bags (9) is different according to different use functions, the number of the first air bags (9) is 1-6, and the air pressure of the first air bags (9) is 1.6-2.0 bar.

5. A multi-chamber gas storage run-flat tire according to claim 1, characterized in that: the wall thickness of the second air bag (11) is 5-20mm, the number of the second air bags (11) is different according to different use functions, the number of the second air bags (11) is 1-6, and the air pressure of the second air bags (11) is 0.2-1.0 bar.