CN114312149A

CN114312149A - Multi-volume tire inner tube and tire

Info

Publication number: CN114312149A
Application number: CN202210096088.6A
Authority: CN
Inventors: 张宪法
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-04-12

Abstract

The invention discloses a multi-volume tire inner tube and a tire, wherein the tire inner tube comprises an inner tube body, an air adding nozzle is arranged on the inner tube body, the inner tube body internally comprises an air passage and an air storage cavity, the air passage is arranged at one side close to the air adding nozzle, the air storage cavity is arranged at one side far away from the air adding nozzle, the air adding nozzle is communicated with the air passage, the air storage cavity is divided into a plurality of air storage spaces, the air storage spaces are not communicated with each other, one side of each air storage space close to the air passage is provided with a one-way valve, the one-way valve is used for conveying air injected by the air adding nozzle to each air storage space in a one-way mode, and a flow limiter is arranged in each one-way valve and used for limiting air inlet flow and air inlet speed in each air storage space. The invention can solve the problem that the prior tire can not ensure the stable and long-distance normal running of the vehicle after being pricked.

Description

Multi-volume tire inner tube and tire

Technical Field

The embodiment of the invention relates to the technical field of tires, in particular to a multi-volume tire inner tube and a tire.

Background

Existing tire technologies are generally divided into three categories: in the first category, the rubber body without an inner tube is not influenced after the tire is pricked, and the vehicle normally runs, but the vehicle mainly depends on the tire to realize shock absorption when running, and the shock absorption performance is greatly reduced because the tire has no air pressure; secondly, the tire is filled with a solid elastic foam material, the tire loses air pressure after being pricked, but the solid elastic foam in the tire plays a supporting role, and a vehicle can slowly drive to a repair shop for maintenance; the third type, self-repairing tire, injects the viscous semi-fluid liquid into the tire, after the tire is pricked, the gas and liquid in the tire flow out together, make the gas leakage speed reduce, when pricked the tire aperture smaller, play the role of preventing the gas leakage temporarily, but when pricked the aperture bigger, the gas and liquid in the tire flow out together, can't reach the purpose of self-repairing, in addition the liquid in the tire, in the cold area in winter, it is easy to freeze, influence the normal driving of vehicle.

The three types of tires have small influence on the running of the vehicle after being pricked, but cannot ensure that the vehicle runs normally for a long distance smoothly.

Disclosure of Invention

Therefore, the embodiment of the invention provides a multi-volume tire inner tube and a tire, which aim to solve the problem that the conventional tire cannot ensure that a vehicle can run normally in a long distance and stably after being punctured.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

in a first aspect, the multi-volume tire inner tube comprises an inner tube body, wherein an air adding nozzle is arranged on the inner tube body, the inner tube body comprises an air channel and an air storage cavity, the air channel is an integral annular space, the gas channel is arranged at one side close to the gas adding nozzle, the gas storage cavity is arranged at one side far away from the gas adding nozzle, the gas adding nozzle is communicated with the gas channel, the gas storage cavity is internally divided into a plurality of gas storage spaces which are not communicated with each other, each gas storage space is of a fan-shaped annular structure, one side of each gas storage space, which is close to the gas channel, is provided with a one-way valve, the one-way valves are used for conveying the gas injected by the gas adding nozzle to each gas storage space in a one-way mode, each one-way valve is internally provided with a flow restrictor, the flow restrictor is a hollow cylindrical structure for limiting the inlet gas flow and inlet gas velocity in each gas storage space.

Preferably, one side of the gas channel close to the gas adding nozzle is provided with a plurality of convex structures.

Preferably, the material of the check valve is hard rubber.

Preferably, 32 gas storage spaces are arranged in the gas storage cavity.

Preferably, the diameter of the inner hole of the flow restrictor is 0.01-0.5 mm.

Preferably, a plurality of said gas storage spaces are of the same size and are evenly distributed.

Preferably, the outlet of the air-entrainment nozzle is directed out of alignment with the one-way valve position of the gas storage space.

In a second aspect, a tire includes an outer tube and an inner tube, wherein the inner tube is a multi-volume inner tube.

The invention has at least the following advantages:

according to the multi-volume tire inner tube and the tire, when the tire is pricked and the pricked object is removed, normal running can be achieved, because the plurality of gas storage spaces in the multi-volume tire inner tube are independent spaces and are not ventilated mutually, 1-3 gas storage spaces are pricked, the air pressure of the tire is slightly reduced, normal running is not influenced, the problem that the vehicle cannot run normally due to the pricked tire is thoroughly solved, the market potential is huge, and certain economic benefits and certain social benefits are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, should fall within the scope covered by the technical contents disclosed in the present invention without affecting the effects and the achievable purposes of the present invention.

FIG. 1 is a schematic partial cross-sectional view of a multi-volume tire inner tube according to an embodiment of the present invention;

FIG. 2 is a schematic view of the gas storage space of FIG. 1;

FIG. 3 is a schematic diagram showing details of the gas passages and gas storage chambers of FIG. 1;

wherein: 1-air adding nozzle; 2-a gas channel; 3-a gas storage chamber; 31-a gas storage space; 32-a one-way valve; 33-flow restrictor.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, an embodiment of the present invention provides a multi-volume tire tube and a tire, wherein the tire tube includes a tube body, a gas adding nozzle 1 is disposed on the tube body, the tube body includes a gas passage 2 and a gas storage cavity 3 therein, the gas passage 2 is an integral annular space, the gas passage 2 is disposed at a side close to the gas adding nozzle 1, the gas storage cavity 3 is disposed at a side far from the gas adding nozzle 1, the gas adding nozzle 1 is communicated with the gas passage 2, the gas storage cavity 3 is divided into a plurality of gas storage spaces 31, the plurality of gas storage spaces 31 are not ventilated, each gas storage space 31 is of a fan-ring structure, a check valve 32 is disposed at a side close to the gas passage 2 of each gas storage space 31, the check valve 32 is used for unidirectionally delivering gas injected from the gas adding nozzle 1 into each gas storage space 31, in order to ensure uniform inflation of each gas storage space 31, a flow restrictor 33 is provided in each check valve 32, the flow restrictor 33 having a hollow cylindrical structure for restricting the flow rate and the velocity of the intake air in each gas storage space 31;

a plurality of convex structures are arranged on one side of the gas channel 2 close to the gas adding nozzle 1, so that the inner walls of the gas channel 2 are prevented from being attached to each other, and gas cannot be uniformly injected into each gas storage space 31 at a constant speed;

the one-way valve 32 is made of hard rubber;

the tire inner tube related to the embodiment of the invention is multi-volume and has a plurality of spaces, if one space is punctured during operation, the punctured space can leak air, but other spaces are intact, and the tire can still normally operate;

the plurality of gas storage spaces 31 are the same in size and are uniformly distributed; 32 gas storage spaces 31 can be arranged in each inner tube, if one gas storage space 31 is damaged, the rest 31 gas storage spaces 31 are still filled with gas, and the normal operation can be realized; if two gas storage spaces 31 are damaged, the rest 30 gas storage spaces 31 are still filled with gas, and the gas storage device can normally operate, namely, the gas storage spaces 31 are not influenced by each other;

each independent gas storage space 31 is respectively provided with a one-way valve 32, so that the injected gas can only enter but not exit;

the diameter of an inner hole of the flow restrictor 33 is controlled to be 0.01-0.5 mm, so that gas can be uniformly distributed into independent spaces of each tire inner tube, and each space can be uniformly filled only by slowing down inflation of the tire compared with that of a common tire;

the outlet of the gas adding nozzle 1 points to be staggered with the position of the one-way valve 32 of the gas storage space 31, so that the injected gas is prevented from directly impacting one of the one-way valves 32;

a kind of tire, including outer tyre and inner tube, the inner tube adopts the inner tube of the multi-volume tire, the inner tube of the multi-volume tire is disposable, can't repair, the disposable inflation is gassy, damage or outer tyre of the outer tyre reach the service life, if the tire pricks more than five holes, propose to change the inner and outer tire;

when the tire is pricked, the air pressure is changed to be small, and the air pressure can be supplemented;

when the tire is punctured for many times or the outer tire is not provided with flowers and the service life is prolonged, the inner tire is recommended to be replaced, when the tire is replaced, a thin steel wire needs to penetrate inwards from the inflating nozzle, all inner tire interlayers in the inner tire are poked to be broken, the air pressure of the inner tire is released, and then normal replacement operation is carried out;

when the multi-volume tire inner tube related to the embodiment of the invention is manufactured, a special mold is needed, and the manufacturing and using streamline operation can be carried out, so that the large-area popularization can be realized;

the tire inner tube related to the embodiment of the invention has certain profit margin. For example, the cost of a common tire inner tube is 10 yuan, the cost of a novel tire inner tube is 15 yuan, the price born by the market is 30 yuan, and the total profit space for manufacturing the multi-volume tire inner tube is about 80%;

in some embodiments, a plurality of air-filled spheres may be disposed within the carcass;

in some embodiments, a plurality of 0.3-3 cm rice balls can be arranged in the outer casing, each rice ball is filled with gas, and the rice balls are placed in the outer casing through a high-pressure valve;

in some embodiments, a plurality of annular inner tubes may be disposed within the outer tire;

the principle is as follows:

the multi-volume tire inner tube related to the embodiment of the invention is a large inner tube formed by combining a plurality of independent gas storage spaces 31, the gas storage spaces 31 are not communicated with each other to form independent spaces, and when a tire is pricked and punctures one gas storage space 31, gas in the gas storage space 31 can be reserved and loses air pressure. The remaining 31 independent gas storage spaces 31 do not leak gas, so that the air pressure in the tire is basically stable, and the tire can normally run. In order to meet the requirement of commercialization of the multi-volume tire inner tube, air is injected through an air adding nozzle 1, the air is respectively inflated for 32 independent spaces through an air channel 2, a one-way valve 32 is respectively arranged on each independent air storage space 31, and the injected air can only enter and not exit. In order to achieve uniform filling of each gas storage space 31, a flow restrictor 33 is provided in each gas storage space 31 to control the flow rate and velocity of the incoming gas to each gas storage space 31. If one space leaks, without the restrictor 33, gas will preferentially flow away from the punctured tire during inflation, leaving the other gas storage space 31 uninflated. The inner tube is disposable, can not be repaired, and can be inflated once until the outer tube is damaged or the service life of the outer tube is reached, and if the tire pricks more than five holes, the inner and outer tires are recommended to be replaced.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The utility model provides a many volumes tire inner tube, includes the inner tube body, be provided with on the inner tube body and add air cock (1), a serial communication port, the inner tube body is inside to include gas passage (2) and gas storage chamber (3), gas passage (2) are a holistic annular space, gas passage (2) set up in the one side of being close to with air cock (1), gas storage chamber (3) set up in the one side of keeping away from with air cock (1), it communicates with each other with gas passage (2) to add air cock (1), divide into a plurality of gas storage spaces (31) in the gas storage chamber (3), and a plurality of gas storage spaces (31) are each other not ventilated, and every gas storage space (31) are fan-shaped structure, and one side that every gas storage space (31) are close to gas passage (2) is provided with check valve (32), check valve (32) are used for with adding the gaseous one-way transport of air cock (1) injection in every gas storage space (31) each gas storage space (31) in And each one-way valve (32) is internally provided with a flow restrictor (33), and the flow restrictor (33) is of a hollow cylindrical structure and is used for limiting the air inlet flow and air inlet speed in each gas storage space (31).

2. A tyre tube with multiple volumes as claimed in claim 1, characterized in that said air passage (2) is provided with a plurality of raised structures on the side close to the inflating nozzle (1).

3. A multi-volume tire inner tube as claimed in claim 1, wherein said one-way valve (32) is of a hard rubber material.

4. A multi-volume tire inner tube according to claim 1, wherein 32 gas storage spaces (31) are provided in the gas storage chamber (3).

5. A multi-volume tire inner tube as claimed in claim 1, wherein the inner bore diameter of said flow restrictor (33) is 0.01-0.5 mm.

6. A multi-volume tire inner tube as claimed in claim 1, wherein a plurality of said gas storage spaces (31) are of the same size and are evenly distributed.

7. A tyre inner tube with multiple volumes as claimed in claim 1, characterized in that the outlet of said air-adding nozzle (1) is directed to be offset with respect to the position of the one-way valve (32) of the air storage space (31).

8. A tire comprising a casing and an inner tube, wherein the inner tube is the multi-volume tire inner tube of claim 1.