阅读说明：本技术 一种复合层内胎 (Composite layer inner tube ) 是由 杜金蔓 杜正林 于 2019-08-03 设计创作，主要内容包括：本发明公开了一种复合层内胎,属于内胎技术领域。它包括充气圈,所述充气圈包括外圈内胎层和内圈内胎层,内圈内胎层为补胎橡胶粘合胶层或固态补胎胶层,所述内圈内胎层内部形成充气空腔,在充气圈上设有气门。充气圈在漏气的状态下环形补胎橡胶层会通过空腔内气压堵塞并且粘合充气圈漏气孔部位,充气圈直径与外胎内面直径相吻合,充气圈支撑在外胎上部位左侧内面或上部位右侧内面,充气圈充气状态下能支撑外胎。(The invention discloses a composite layer inner tube, and belongs to the technical field of inner tubes. The tire repair device comprises an inflation ring, wherein the inflation ring comprises an outer ring inner tire layer and an inner ring inner tire layer, the inner ring inner tire layer is a tire repair rubber adhesive layer or a solid tire repair adhesive layer, an inflation cavity is formed in the inner part of the inner ring inner tire layer, and an air valve is arranged on the inflation ring. The annular tire repairing rubber layer can be blocked by air pressure in the cavity and is adhered to the air leakage hole part of the inflating ring in the air leakage state of the inflating ring, the diameter of the inflating ring is matched with that of the inner surface of the outer tire, the inflating ring is supported on the inner surface of the left side of the upper part of the outer tire or the inner surface of the right side of the upper part of the outer tire, and the outer tire can be supported by the inflating ring in the air leakage state.)

1. A composite layer inner tube comprising: the tyre comprises a wheel hub (10), air valves (22) and a tyre casing (20), and is characterized in that at least one air charging ring (31) or a plurality of air charging rings (31) are arranged in the tyre casing, each air charging ring is provided with an air charging cavity, the air charging rings (31) are arranged between the inner surface of the tyre casing and the wheel hub to form a first air charging cavity (21), the outer surface of each air charging ring (31) is tangent to the inner surface of the tyre casing, a second air valve (32) is arranged on each air charging ring (31), each air charging ring (31) is provided with an air charging cavity to form a second air charging cavity (313), the air charging rings (31) are sequentially arranged on the inner surface of the tyre casing and then are arranged on the wheel hub, the second air valve (32) is a variable (double-arranged) spherical air pressure regulating valve, the variable (double-arranged) spherical air pressure regulating valve can automatically, in order to keep the air pressure in the inflatable ring consistent with the air pressure of the outer tire, the air valve of the variable (double-arranged) spherical air pressure regulating valve is opened for air intake, when the air pressure of the outer tire changes in a small range, the air pressure of the inflatable ring is kept consistent with the air pressure of the outer tire, and when the air pressure of the outer tire is lower than a normal set air pressure value, the air inlet (324) is closed.

2. The composite tube of claim 1, wherein the inflatable ring includes an outer inner tube layer and an inner tube layer.

3. The composite layer inner tube of claim 2, wherein a ply is provided in said outer inner tube.

4. The composite layer inner tube of claim 2 or 3, wherein two symmetrically spaced corrugated annular plies are provided within said outer tube inner layer.

5. The composite layer inner tube according to claim 2 or 3, wherein the outer ring inner tube is provided with more than two spaced corrugated plies.

6. The composite layer inner tube of claim 2 or 3, wherein said outer inner tube layer is provided with a ring of corrugated annular plies.

7. The composite layer inner tube of claim 2, wherein a rubber layer for repairing a tire is provided in the inner tube.

8. The composite layer inner tube of claim 2, wherein two layers of the tire sealant, a first tire sealant layer and a second tire sealant layer, are disposed within the inner tube inner layer.

Technical Field

The invention relates to an inner tube, in particular to a composite layer inner tube.

Background

At present, most of automobiles, cars, motorcycles and the like use steel wheels or aluminum alloy wheels which are divided into container wheels and container-free wheels, and in the driving process of the two wheels, if a tire is punctured and deflated, the automobile can damage the cover tires of the wheels when continuously driving, and if the tire is deflated in a high-speed driving state, the vehicle is unbalanced, the direction is difficult to control, safety accidents are very easy to happen, and the vehicle is damaged and people are killed.

To address the above issues, the prior art discloses various solutions to solve the problem, for example, the chinese patent application No. is: 200810007287.5, published as 2008, 11/26/a, discloses a multi-sub-tire self-repairing explosion-proof tire, which comprises a hub and an outer tire, wherein an inner tube in the outer tire is composed of 2 or more than 2 sub-tires; the sub tire is filled with gas, no air valve is arranged, and the sub tire is in a shape of a bent pipe clamp wedge; when the sub tire is in a shape of a wedge clamped by the bent pipe, the wedge-shaped air block is used for making up a wedge-shaped space generated by the bent pipe, and the spare inner tube and the valve are arranged on the hub of the wedge-shaped air block.

The above-mentioned patent discloses that when the inner tube is punctured, the inner tube cannot function, so that the application of the self-repairing tire is limited, not to mention the problem of guaranteeing the safety of personnel.

Disclosure of Invention

1. Problems to be solved

The invention provides a composite layer inner tube which is simple in structure and capable of safely continuing running after tire burst, and guarantees the life safety of drivers and passengers, aiming at the problem that safety accidents are easily caused when the conventional tire is punctured and deflated.

The invention also provides a method for mounting the composite layer inner tube, which has the advantages of orderly step connection and convenient, smooth and quick mounting technical effect.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

The invention relates to a composite layer inner tube, which comprises an outer tube and a hub, wherein the outer tube is arranged on the hub and is provided with a first air valve, and a first inflation cavity is formed at the inner side of the outer tube; the inflatable ring comprises an outer ring inner tire layer and an inner ring inner tire layer, a tire repairing rubber bonding adhesive layer or a solid tire repairing adhesive layer is arranged in the inner ring inner tire layer, a second inflatable cavity is formed in the inner ring inner tire layer, a second valve is arranged on the inflatable ring and located in the first inflatable cavity, and the second valve is connected and communicated with the second inflatable cavity.

The inner tube is arranged on the inner surface of the outer tube, and when the outer tube is in a running state and the inner tube is punctured by a nail through the outer tube to leak air, the air leakage hole part of the inner tube is blocked by the tire repairing rubber adhesive layer of the inner tube under the action of air pressure in the second inflation cavity to keep the air pressure of the inner tube.

In a possible embodiment of the invention, a ply is provided in the inner tube of the outer ring.

In one possible embodiment of the invention, two symmetrically spaced apart corrugated annular plies are provided within the outer carcass layer.

In a possible embodiment of the present invention, the inner layer of the outer ring has at least two spaced corrugated plies.

In a possible embodiment of the invention, a corrugated annular ply is provided in the outer inner layer.

In a possible implementation manner of the invention, the second valve arranged on the inflation ring is a spherical air pressure regulating valve, the valve comprises a body, a spherical valve and a spring, the body is provided with an air inlet hole, a mounting groove and an air inlet channel along a central axis, a joint of the mounting groove and the air inlet channel is a bell mouth, one end of the spring is arranged in the mounting groove, the other end of the spring is fixed with the spherical valve, and the spherical valve is arranged in the mounting groove and can reciprocate.

When the tire is mounted on a wheel hub and inflated to reach a certain air pressure, the air pressure pushes the ball valve to act on the spring through the air inlet hole to move, the ball valve leaves the bell mouth to allow the air inlet channel to be completely opened, the air is filled into the inflation ring, and when the air pressure of the first inflation cavity reaches a preset air pressure value, the inflation of the inflation ring is completed.

In one possible embodiment of the present invention, two inner tubes are disposed on the inner surface of the outer tire, and the two inner tubes are mounted on the inner surface of the outer tire, and the outer surfaces of the two inner tubes are tangent to the inner surface of the outer tire.

In one possible embodiment of the invention, more than three inner tubes are arranged on the inner surface of the outer tire, the more than three inner tubes are arranged on the inner surface of the outer tire in parallel, and the outer surfaces of the inner tubes are tangent to the inner surface of the outer tire.

In a possible embodiment of the invention, the inner tube sections have different diameters and are sequentially and randomly arranged on the inner surface of the outer tube in the transverse direction of the inner diameter.

In one possible embodiment of the present invention, the inner tube is provided with a cord fabric layer, an outer ring inner tube layer and an inner ring inner tube layer, and the inner ring inner tube layer is provided with a tire repairing rubber adhesive layer or a solid tire repairing adhesive layer.

In a possible implementation mode of the invention, the cord fabric layer, the outer ring inner tire layer and the inner ring inner tire layer are arranged in the outer ring inner tire layer, the tire repairing rubber adhesive layer or the solid tire repairing adhesive layer is arranged in the inner ring inner tire layer, and in all possible implementation structural modes of the inner tire, any number of inner tires can be combined and arranged in the inner surface of the outer tire in the transverse inner diameter direction.

The invention also provides an installation method of the composite layer inner tube, which is characterized by comprising the following specific steps of:

step S101, inner tube installation

Holding the inflatable ring into an 8 shape or an oval or a triangle to narrow the diameter of the inflatable ring, and inserting the inflatable ring into the first inflatable cavity from the inner diameter of the outer tire for transverse installation;

step S102, mounting the outer tire

The inner tube is arranged on the inner surface of the first inflation cavity, the outer tube is arranged on the hub, and the first valve is used for inflating after the outer tube is sequentially arranged.

The inner tube is provided with one or more than two inner tubes which are supported on the inner surface of the outer tube, the outer surface of the inner tube is matched with the inner surface of the outer tube, the inner tube is provided with a valve which is opened by the inflation pressure of the outer tube and closed by the change of the air pressure in the inner tube, and the outer tube can be supported in the inflation state of the inner tube.

3. Advantageous effects

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention relates to a composite layer inner tube, wherein a tire repairing rubber bonding layer is a bonding rubber layer, an annular self-tire repairing rubber bonding layer is arranged on the inner surface of an inflating ring, the annular tire repairing rubber layer can be blocked by air pressure in a cavity and is bonded with an air leakage hole part of the inflating ring in an air leakage state of the inflating ring, the inflating ring is provided with a second inflating cavity, the inflating ring is provided with a second valve, the diameter of the inflating ring is matched with that of the inner surface of an outer tire, the inflating ring is supported on the inner surface of the left side of the upper part of the outer tire or the inner surface of the right side of the upper part of the outer tire, and;

(2) according to the composite layer inner tube, the cord fabric is arranged in the inner tube layer of the outer ring, so that the strength of the whole tire body is enhanced, and the outer tire can be well supported under the condition that the inflatable ring is inflated enough;

(3) according to the composite layer inner tube, the corrugated cord fabric is arranged on the inner tube layer of the outer tube, so that when the air pressure of the outer tube is changed in a high or low air pressure mode, the air pressure of the inflatable ring is stretched in the high or low air pressure change through the air valve of the spherical air pressure regulating valve to be always tightly attached to the diameter outer surface of the inflatable ring, and the outer tube can be supported in the inflated state of the diameter inflatable ring on the inner surface of the outer tube;

(4) the invention relates to a composite layer inner tube, wherein variable (double-arranged) spherical air pressure regulating valve valves can automatically regulate and coordinate the change of the outer tube air pressure, when the outer tube air pressure reaches a standard air pressure value, in order to keep the air pressure in an inflatable ring consistent with the outer tube air pressure, variable (double-arranged) spherical air pressure regulating valve valves are opened for air intake, when the outer tube air pressure changes in a small range, the air pressure of the inflatable ring is kept consistent with the outer tube air pressure, when the outer tube air pressure is lower than a normally set air pressure value, for example, when the outer tube air pressure is 2.0-0Kpa, the spherical valve can flow in the opposite direction of the air pressure of the inflatable ring, when the spring force is larger than the air pressure of the outer tube, the spherical valve can be automatically and rapidly pushed to return to a bell mouth, an air inlet is closed, the air pressure in the;

(5) the invention has simple structure, reasonable design and easy implementation.

Drawings

FIG. 1 is a schematic view showing a structure of an inflatable ring according to example 1 of the present invention;

FIG. 2 is a schematic view showing a structure of an inflatable ring according to embodiment 2 of the present invention;

FIG. 3 is another schematic structural view of the inflatable ring according to embodiment 2 of the present invention;

FIG. 4 is a schematic structural view of an inner tube according to embodiment 3 of the present invention;

FIG. 5 is another schematic structural view of an inner tube according to embodiment 3 of the present invention;

FIG. 6 is another schematic structural view of an inner tube according to embodiment 3 of the present invention;

FIG. 7 is a schematic structural view of an inner tube according to example 4 of the present invention;

FIG. 8 is another schematic structural view of the inner tube according to embodiment 4 of the present invention;

FIG. 9 is another schematic structural view of the inner tube according to example 4 of the present invention;

FIG. 10 is another schematic structural view of the inner tube according to example 4 of the present invention;

FIG. 11 is a schematic structural view of an inner tube according to example 5 of the present invention;

FIG. 12 is another schematic structural view of an inner tube according to example 5 of the present invention;

FIG. 13 is another schematic structural view of the inner tube according to example 5 of the present invention;

FIG. 14 is another schematic structural view of the inner tube according to example 5 of the present invention;

FIG. 15 is another schematic structural view of the inner tube according to example 5 of the present invention;

FIG. 16 is another schematic structural view of the inner tube according to example 5 of the present invention;

FIG. 17 is another structural schematic view of the inner tube according to embodiment 5 of the present invention;

FIG. 18 is another structural schematic view of the inner tube according to embodiment 5 of the present invention;

FIG. 19 is another structural schematic view of the inner tube according to embodiment 5 of the present invention;

FIG. 20 is another structural schematic view of the inner tube according to example 5 of the present invention;

FIG. 21 is another schematic structural view of the inner tube according to example 5 of the present invention;

FIG. 22 is another structural schematic view of the inner tube according to embodiment 5 of the present invention;

figure 23 is a schematic structural view of an inner tube according to example 6 of the present invention;

FIG. 24 is another structural schematic view of an inner tube according to embodiment 6 of the present invention;

FIG. 25 is another structural schematic view of an inner tube according to example 6 of the present invention;

FIG. 26 is another structural schematic view of an inner tube according to example 6 of the present invention;

FIG. 27 is another structural schematic view of an inner tube according to embodiment 6 of the present invention;

figure 28 is another structural schematic view of the inner tube of example 6 of the present invention;

figure 29 is another structural schematic view of the inner tube of example 6 of the present invention;

FIG. 30 is another structural schematic view of an inner tube according to example 6 of the present invention;

figure 31 is another structural schematic view of the inner tube of example 6 of the present invention;

FIG. 32 is another structural schematic view of an inner tube according to example 6 of the present invention;

FIG. 33 is another structural schematic view of an inner tube according to embodiment 6 of the present invention;

figure 34 is another structural schematic view of the inner tube of example 6 of the present invention;

FIG. 35 is another structural schematic view of the inner tube according to embodiment 6 of the present invention;

FIG. 36 is another structural schematic view of an inner tube according to embodiment 6 of the present invention;

FIG. 37 is another structural schematic view of an inner tube according to embodiment 6 of the present invention;

figure 38 is another structural schematic view of the inner tube according to example 7 of the present invention;

FIG. 39 is another structural schematic view of an inner tube according to example 7 of the present invention;

FIG. 40 is another structural schematic view of an inner tube according to example 7 of the present invention;

FIG. 41 is another structural view of the inner tube according to example 7 of the present invention;

FIG. 42 is another structural schematic view of an inner tube according to example 7 of the present invention;

FIG. 43 is another structural schematic view of an inner tube according to example 7 of the present invention;

FIG. 44 is a schematic structural view of an inner tube according to example 7 of the present invention;

FIG. 45 is another structural schematic view of an inner tube according to embodiment 7 of the present invention;

FIG. 46 is another structural view of the inner tube according to example 7 of the present invention;

FIG. 47 is another structural view of the inner tube according to example 7 of the present invention;

FIG. 48 is another structural view of the inner tube according to example 7 of the present invention;

FIG. 49 is another structural schematic view of an inner tube according to example 7 of the present invention;

FIG. 50 is another structural schematic view of an inner tube according to example 7 of the present invention;

FIG. 51 is another schematic structural view of an inner tube according to example 7 of the present invention;

FIG. 52 is another structural view of the inner tube according to embodiment 7 of the present invention;

FIG. 53 is a schematic structural view of a second valve in embodiment 8 of the invention;

FIG. 54 is a schematic structural view of an inner tube according to example 8 of the present invention;

FIG. 55 is another structural view of the inner tube according to embodiment 8 of the present invention;

FIG. 56 is another structural view of the inner tube according to embodiment 8 of the present invention;

FIG. 57 is another structural schematic view of an inner tube according to embodiment 8 of the present invention;

FIG. 58 is a schematic view showing another structure of the inner tube according to embodiment 8 of the present invention;

FIG. 59 is another structural schematic view of an inner tube according to embodiment 8 of the present invention;

FIG. 60 is another structural schematic view of an inner tube according to embodiment 8 of the present invention;

FIG. 61 is another structural schematic view of an inner tube according to embodiment 8 of the present invention;

fig. 62 is another structural view of the inner tube according to embodiment 8 of the present invention.

Description of reference numerals:

10. a hub;

20. an outer tire; 21. a first inflatable cavity; 22. a first valve;

30. an inner tube; 31. an inflatable ring; 311. an outer ring inner tube layer; 312. an inner tube ply; 3121. a first tire repair glue layer; 3122. a second tire repair glue layer; 313. a second inflatable cavity; 314. a ply layer; 32. a second valve; 321. a body; 322. a ball valve; 323. a spring; 324. an air inlet; 325. mounting grooves; 326. an air inlet channel; 327. an H-shaped support frame.

Detailed Description

The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration exemplary embodiments in which the invention may be practiced. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it should be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only and not limitation to describe the features and characteristics of the invention, to set forth the best mode of carrying out the invention, and to sufficiently enable one skilled in the art to practice the invention. Accordingly, the scope of the invention is to be limited only by the following claims.

The detailed description and exemplary embodiments of the invention will be better understood when read in conjunction with the appended drawings, where the elements and features of the invention are identified by reference numerals.