CN210502127U

CN210502127U - Inflatable and non-inflatable dual-purpose safety tire

Info

Publication number: CN210502127U
Application number: CN201921551768.2U
Authority: CN
Inventors: 宋彬; 赵正龙; 邵新杰; 李宝晨; 郝永锋; 黄欣鑫; 戴志广; 程茜茜
Original assignee: Army Engineering University of PLA
Current assignee: Army Engineering University of PLA
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-12
Anticipated expiration: 2029-09-18

Abstract

The utility model discloses an aerify, dual-purpose type safety tire of non-inflation, including wheel hub, rim and cover tire that from interior to exterior set gradually, in be equipped with annular air-tight layer between rim and the cover tire, be formed with first cushion chamber between air-tight layer and the cover tire, be formed with the second cushion chamber between air-tight layer and the rim, in first cushion chamber be equipped with annular and collude the metal spring wire side that links with the cover tire, the metal spring wire side coincides with the axis of cover tire. The utility model has the characteristics of better adaptation asphalt road and grade highway drive requirement to have higher security. The utility model is suitable for a technical field of tire among the auto-parts.

Description

Inflatable and non-inflatable dual-purpose safety tire

Technical Field

The utility model belongs to the technical field of auto-parts, specifically speaking relates to an aerify, dual-purpose type safety tire of non-inflation.

Background

The automobile tire mainly comprises two types of traditional pneumatic tires and non-pneumatic safety tires, the current pneumatic tire is easy to puncture and burst, and is easy to have a burst accident when running at a high speed for a long time or in a severe environment, such as an extremely hot and extremely cold environment, so that the driving safety is threatened, and meanwhile, the internal support type safety tire and the solid safety tire have the defects of large dead weight, large driving resistance and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a better adaptation asphalt road and grade highway's driving requirement to have the dual-purpose type safety tire of aerifing, non-inflation of higher security.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides an aerify, dual-purpose type safety tire of non-inflation, includes wheel hub, rim and cover tire that sets gradually from interior to exterior, in be equipped with annular air seal between rim and the cover tire, be formed with first cushion chamber between air seal and the cover tire, be formed with the second cushion chamber between air seal and the rim, in be equipped with annular and collude the metal spring wire side that links with the cover tire in the first cushion chamber, the axis coincidence of metal spring wire side and cover tire.

Furthermore, the metal spring net surface comprises a plurality of springs with the same rotation direction and the same thread pitch, the springs are mutually hooked side by side to form a closed annular structure, and two ends of each spring are respectively hooked at corresponding positions on two sides of the outer tire.

Furthermore, two ends of each spring are respectively bent to form spring hooks, inner fixing rings are respectively arranged at the edges of two sides of the outer tire, the axes of the inner fixing rings are overlapped with the axis of the outer tire, the two spring hooks of each spring are respectively hooked on the two inner fixing rings, and the spring hooks and the inner fixing rings are fixed on the edge of the outer tire through a rubber vulcanization process.

Furthermore, the outer tire, the metal spring net surface and the airtight layer are mutually crosslinked under the vulcanization action between the inner side of the outer tire and the metal spring net surface and between the airtight layer and the metal spring net surface through a rubber vulcanization process.

Furthermore, outer fixing rings are respectively embedded at the edges of two sides of the outer tire through a rubber vulcanization process, each outer fixing ring is overlapped with the axis of the outer tire, the rim is provided with two outward-turned rims, each edge of the outer tire is provided with a curved surface matched with the corresponding rim, and the two edges of the outer tire and the outer fixing rings are embedded between the two rims so as to form the fixation of the outer tire and the rim.

Further, the first buffer chamber is filled with gas.

Further, the second buffer chamber is filled with gas.

Furthermore, an inflatable inner tube is arranged in the second buffer cavity, and the axis of the inflatable inner tube is overlapped with the axis of the outer tire.

Furthermore, a tread pattern is formed on the outer surface of the outer cover.

The utility model discloses owing to adopted foretell structure, it compares with prior art, and the technical progress who gains lies in: the utility model discloses be provided with annular air-tight barrier between rim and cover tire, this air-tight barrier divide into first cushion chamber and second cushion chamber with the enclosure space between cover tire and the rim, and be equipped with the metal spring wire side in first cushion chamber, the metal spring wire side is located cover tire and air-tight barrier, be the main bearing structure of wheel, combine together with cover tire and air-tight barrier, fix on the rim jointly, have the flexibility and good transverse rigidity on the vertical direction, be used for the damping buffering of wheel, and provide the power of turning, when the wheel rolls, the cover tire lands, utilize the high elasticity of rubber, guarantee that inside metal spring wire side can not destroy the highway road surface, reduce vibration and noise, the protection instrument, improve driver and crew operating condition in the car, and improve the grip, improve climbing ability and cross-country performance, this air-tight barrier is used for sealing gas not to leak after the tire is aerifyd, the good elasticity, the vibration damping characteristic and the smaller rolling resistance of the wheel are ensured, and when the tire pricks and leaks air, the metal spring net surface plays a supporting role and continues to maintain the normal running of the wheel.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a partial cross-sectional structural view of an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1 at another angle;

FIG. 3 is a schematic structural view of the connection between the metal spring net surface and the inner fixing ring according to the embodiment of the present invention;

fig. 4 is a schematic view of a partial structure of the connection between the metal spring net surface and the inner fixing ring according to the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a spring according to an embodiment of the present invention.

Labeling components: 1-hub, 2-rim, 201-wheel flange, 3-outer tire, 301-tread pattern, 4-airtight layer, 5-first buffer cavity, 6-second buffer cavity, 7-spring, 701-spring hook, 8-inner fixing ring and 9-outer fixing ring.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for purposes of illustration and explanation only and are not intended to limit the invention.

The utility model discloses an aerify, dual-purpose type safety tire of non-inflation, as figure 1, figure 2 shows, including by interior and wheel hub 1 that sets gradually outward, rim 2 and cover tire 3, be provided with annular air seal 4 between rim 2 and cover tire 3, this air seal 4 divide into two cavities with the enclosure space between cover tire 3 and the rim 2, wherein, the cavity between air seal 4 and the cover tire 3 is first cushion chamber 5, the cavity between air seal 4 and the rim 2 is second cushion chamber 6, be provided with annular metal spring 7 wire side in first cushion chamber 5, this metal spring 7 wire side links and fixes with cover tire 3 colludes, and the coincidence of the axis of this metal spring 7 wire side and cover tire 3. The utility model discloses a principle and advantage lie in: the metal spring 7 is positioned between the outer cover 3 and the airtight layer 4, is a main supporting structure of the wheel, is combined with the outer cover 3 and the airtight layer 4, is jointly fixed on the rim 2, has flexibility in the vertical direction and good transverse rigidity, is used for damping and buffering the wheel and providing steering force, when the wheel rolls, the outer cover 3 lands, and utilizes the high elasticity of rubber to ensure that the net surface of the metal spring 7 inside cannot damage the road surface, reduce vibration and noise, protect instruments in the vehicle, improve the working conditions of drivers and passengers, improve the ground holding force, and improve the climbing capability and the cross-country performance; the airtight layer 4 is used for sealing air from leaking after the tire is inflated, so that good elasticity, vibration damping characteristic and small rolling resistance of the wheel are guaranteed, and when the tire is punctured and leaks air, the net surface of the metal spring 7 plays a supporting role, so that normal running of the wheel is continuously maintained.

As a preferred embodiment of the present invention, as shown in fig. 3-5, the metal spring 7 includes a plurality of springs 7 with the same spiral direction and equal pitch, the springs 7 are mutually hooked side by side to form a closed loop structure, two ends of each spring 7 are respectively hooked to corresponding positions on two sides of the cover tyre 3, and the specific hooking manner is: the two ends of each spring 7 are respectively bent to form spring hooks 701, the edges of the two sides of the outer tyre 3 are respectively provided with an inner fixing ring 8, each inner fixing ring 8 is superposed with the axis of the outer tyre 3, the two spring hooks 701 of each spring 7 are respectively hooked on the inner fixing rings 8 positioned at the two sides, the outer tyre 3 and the airtight layer 4 are both made of rubber materials, the spring hook 701 and the inner fixing ring 8 are fixed on the edge of the outer tyre 3 by a rubber vulcanization process, and the rubber vulcanization process is adopted to carry out vulcanization treatment on the combined structure of the outer tire 3, the metal spring 7 mesh surface and the airtight layer 4, so that the inner side of the outer tire 3 and the spring 7 mesh surface as well as the airtight layer 4 and the spring 7 mesh surface are mutually crosslinked under the vulcanization action, the integrity of the combined structure is ensured, meanwhile, part of air is sealed in the first buffer cavity 5 and the second buffer cavity 6 in the vulcanization process, which is beneficial to enhancing the vibration damping and buffering capacity of the tire.

As a preferred embodiment of the present invention, as shown in fig. 1 and fig. 2, the outer fixing rings 9 are respectively embedded at the two side edges of the outer tire 3 through a rubber vulcanization process, each outer fixing ring 9 coincides with the axis of the outer tire 3, the rim 2 has two outward turned rims 201, each edge of the outer tire 3 has a curved surface adapted to the corresponding rim 201, the two edges of the outer tire 3 and the outer fixing rings 9 are embedded between the two rims 201, the sealing layer and both sides of the outer tire 3 are tightly fixed on the rim 2, and the lateral movement of the rim 2 is limited by the rim 201, so as to prevent the problems of tyre knocking over and the like, the outer fixing ring 9 passes through the outer tyre 3, and the two sides of the cover tyre 3 are pressed on the surface of the rim 2 and the inner side of the wheel flange 201, so that the stable connection between the cover tyre 3 and the rim 2 is further enhanced, and the functions of fixing the mesh surface of the metal spring 7, preventing the air leakage of the tyre and the like are achieved.

The utility model discloses except with gas seal in first cushion chamber 5 and second cushion chamber 6 in the manufacturing process, also can adopt first cushion chamber 5 and second cushion chamber 6 to be inflatable, at least one of them is filled with gas in first cushion chamber 5 and second cushion chamber 6, increases buffer capacity like this. Optionally, an inflatable inner tube is fitted in the second buffer chamber 6, coinciding with the axis of the tyre casing 3, preferably with a gas filling in the first buffer chamber 5, with double buffering.

As a preferred embodiment of the present invention, a tread pattern 301 is formed on the outer surface of the outer tire 3, the outer tire 3 is in direct contact with the ground, and the tread pattern 301 is designed in various forms on the surface, so as to have drainage and durability properties, and provide longitudinal adhesion for the rolling of the wheel.

The utility model discloses carry out structural design based on standard wheel hub 1 and standard rim 2, because the flexible moulding of the spring 7 who constitutes metal spring 7 wire side, cover tire 3 and the chooseing for use of the rubber materials of air barrier 4, the moulding mould of optional difference realizes cover tire 3 and air barrier 4's shape change, can be at present different specifications like this, not unidimensional, reform transform on different cross sectional shape's the rim 2, reprocess cost has been saved, and the reliable cooperation of wheel and vehicle shaft can be guaranteed to standard wheel hub 1, the commonality thereof has been strengthened, application scope has been enlarged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the protection of the claims of the present invention.

Claims

1. The utility model provides an aerify, dual-purpose type safety tire is not aerifyd, includes by interior and outer wheel hub, rim and the cover tire that sets gradually, its characterized in that: an annular airtight layer is arranged between the rim and the outer tire, a first buffer cavity is formed between the airtight layer and the outer tire, a second buffer cavity is formed between the airtight layer and the rim, an annular metal spring net surface which is hooked with the outer tire is arranged in the first buffer cavity, and the metal spring net surface is overlapped with the axis of the outer tire.

2. A pneumatic, non-pneumatic run flat tire according to claim 1, wherein: the metal spring net surface comprises a plurality of springs with the same rotating direction and the same thread pitch, the springs are mutually hooked side by side to form a closed annular structure, and two ends of each spring are respectively hooked at corresponding positions of two sides of the outer tire.

3. A pneumatic, non-pneumatic run flat tire according to claim 2, wherein: the two ends of each spring are respectively bent to form spring hooks, the edges of the two sides of the outer tire are respectively provided with an inner fixing ring, the axes of the inner fixing rings are superposed with the axis of the outer tire, the two spring hooks of each spring are respectively hooked on the two inner fixing rings, and the spring hooks and the inner fixing rings are fixed on the edge of the outer tire through a rubber vulcanization process.

4. A pneumatic, non-pneumatic run flat tire according to claim 1, wherein: the outer tire, the metal spring net surface and the airtight layer are mutually crosslinked under the vulcanization action between the inner side of the outer tire and the metal spring net surface and between the airtight layer and the metal spring net surface through a rubber vulcanization process.

5. A pneumatic, non-pneumatic run flat tire according to claim 1, wherein: the rim is provided with two outward-turned flanges, each edge of the cover tire is provided with a curved surface matched with the corresponding flange, and the two edges of the cover tire and the outer fixing rings are embedded between the two flanges to form the fixation of the cover tire and the rim.

6. A pneumatic, non-pneumatic run flat tire according to claim 1, wherein: and gas is filled in the first buffer cavity.

7. A pneumatic, non-pneumatic run flat tire according to claim 1, wherein: and gas is filled in the second buffer cavity.

8. A pneumatic, non-pneumatic run flat tire according to claim 1, wherein: an inflatable inner tube is arranged in the second buffer cavity, and the axis of the inflatable inner tube is overlapped with that of the outer tube.

9. A pneumatic, non-pneumatic run flat tire according to claim 1, wherein: and a tread pattern is formed on the outer surface of the outer cover.