CN217455542U

CN217455542U - Explosion-proof tyre

Info

Publication number: CN217455542U
Application number: CN202221088884.7U
Authority: CN
Inventors: 杨武; 何海涛; 谢相勇
Original assignee: SAIC GM Wuling Automobile Co Ltd
Current assignee: SAIC GM Wuling Automobile Co Ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-09-20
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses an explosion-proof tire, including the inner tube of a tyre, limit for power ring, filling layer and the cover tire that from interior to exterior set gradually, the tight cover of limit for power ring is located the inner tube of a tyre periphery, is provided with the elastic ring in the filling layer, and limit for power ring setting is hugged closely to the inboard of filling layer, is provided with the clearance between the outside of filling layer and the cover tire. The inner tube is a high-pressure inner tube, the inner tube is filled with gas, and the inner tube can expand after the outer tube expands and loses pressure; the force limiting ring is tightly sleeved on the outer circumferential surface of the inner tube, the outer tube can store the expansion force of the inner tube when in normal use, and when the outer tube is broken and loses pressure, the high-pressure inner tube expands, and the force limiting ring is instantaneously broken or released; the elastic ring penetrates through the filler inside of the filling layer and can expand or contract along the circumferential direction. When the outer tire is broken and loses pressure, the inner tire expands, and the force limiting ring fails; the inner tube continues to expand to push the filling layer to expand towards the outer circumference until pushing the inner wall of the outer tire, so that the outer tire is supported again. The explosion-proof tire has the advantages of good comfort, low noise and wide application range.

Description

Explosion-proof tyre

Technical Field

The utility model relates to the technical field of auto-parts, especially, relate to an explosion-proof tire.

Background

The automobile tire is one of important parts of the automobile, is directly contacted with a road surface, and is used for relieving the impact on the automobile when the automobile runs together with an automobile suspension so as to ensure that the automobile has good riding comfort and running smoothness; the good adhesion between the wheels and the road surface is ensured; the traction, braking and passing performance of the automobile are improved; bearing the weight of the automobile, the important role of the tire on the automobile is more and more paid attention by people. Tires are often used under complex and severe conditions, which are subjected to various deformations, loads, forces and high and low temperature effects during running, and therefore must have high load-bearing, traction and cushioning properties.

When the automobile runs at high speed, if the tire is suddenly blown out, the current balance can be immediately broken, and a large impulse can be directly applied to the blown-out tire. If the speed is not high, the direction of the vehicle is separated from the original track, if the control ability is good, the vehicle may be kept straight, and if the technology for controlling the steering wheel is not enough, the vehicle may collide with other objects. If the speed is very fast, it is likely to roll out directly, as in a movie. Together with that high speed, the impact of the person inside the car can lead to death.

In the prior art, the structural design of the explosion-proof tire is largely divided into two types, one is a Self-Supporting system (Self-Supporting), and the tire is mainly designed to keep the support property when the tire pressure is zero by adding a bead reinforcing layer (bead special reinforcing rubber); the other is a Support Ring system (Support Ring), which is a structure for supporting the vehicle weight by adding a hard rubber Ring in the tire. But the tyre is hard due to the tyre edge reinforcing layer, the travelling comfort is poor, and the tyre noise is large; moreover, the explosion-proof tire needs a special rim for installation, and the applicability is poor.

Therefore, it is necessary to provide a new run flat tire to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an explosion-proof tyre aims at solving among the prior art explosion-proof tyre travelling comfort poor, the noise is big, adaptability is poor technical problem.

In order to achieve the above object, the present invention provides a run-flat tire, including:

the inner tube, limit ring, filling layer and cover tire that arrange in proper order from interior to exterior, limit ring cover is located the inner tube periphery, be provided with the elastic ring in the filling layer, the inboard of filling layer is hugged closely limit ring sets up, the outside of filling layer with be provided with the clearance between the cover tire.

In an embodiment, the elastic ring divides the filling layer into a first filling layer and a second filling layer, the first filling layer is disposed near the force limiting ring, the second filling layer is disposed near the outer tire, and the elastic ring is connected with the first filling layer and the second filling layer respectively.

In one embodiment, the filler layer is a high density foam layer.

In one embodiment, the filling layer comprises a plurality of foam blocks, and the foam blocks are sequentially spliced end to form the annular high-density foam layer.

In one embodiment, the filling layer is a sponge layer.

In one embodiment, the elastic ring is a circular spring connected end to end.

In one embodiment, the elastic ring is a rubber ring.

In one embodiment, the elastic ring comprises a plurality of steel sheets and a plurality of rubber rings, the rubber rings are arranged at intervals, the steel sheets are arranged at intervals, and one steel sheet is connected between any two adjacent rubbers.

In an embodiment, the force limiting ring comprises a steel belt, and a buckle and a bayonet which are respectively arranged at two ends of the steel belt, wherein the buckle is in clamping fit with the bayonet.

In one embodiment, the outer surface of the outer tire is provided with anti-slip lines, and the anti-slip lines are circumferentially arranged along the outer surface of the outer tire.

In the scheme, the run-flat tire comprises an inner tube, a force limiting ring, a filling layer, an elastic ring and an outer tire which are sequentially arranged from inside to outside, wherein the force limiting ring is sleeved on the periphery of the inner tube, the elastic ring is arranged in the filling layer, the inner side of the filling layer is tightly attached to the force limiting ring, and a gap is formed between the outer side of the filling layer and the outer tire. The inner tube is a high-pressure inner tube, the inner tube is filled with gas, and the inner tube can expand after the outer tube expands and loses pressure; the force limiting ring is tightly sleeved on the outer circumferential surface of the inner tube, the outer tube can store the expansion force of the inner tube when in normal use, and when the outer tube is broken and loses pressure (such as tire burst), the high-pressure inner tube expands, and the force limiting ring is instantaneously broken or released; the elastic ring penetrates through the filler inside of the filling layer and can expand or contract along the circumferential direction. When the outer tire is broken and loses pressure, the inner tire expands, the force limiting ring is instantaneously broken or released, and the force limiting ring fails; at the moment, the inner tube continues to expand to push the filling layer to expand towards the outer circumference until pushing the inner wall of the outer tire, so that the outer tire is supported again. The utility model has simple structure, high reliability, small change to the existing tire manufacturing process and easy manufacture; the wall thickness of the side wall of the tire is not required to be increased or the supporting ring is not required to be added on the inner wall of the tire, the comfort of the tire is good, and the tire noise is low; a special steel ring does not need to be matched with the anti-explosion tire, and the universality of the tire is good; the existing common tire can be reformed into the run-flat tire, and the application range is wide. The utility model has the advantages of good comfort, low noise and wide application range.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of an explosion-proof tire according to an embodiment of the present invention.

The reference numbers illustrate:

1. an inner tube; 2. a force limiting ring; 3. a filling layer; 4. an elastic ring; 5. an outer tire; 6. a gap.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a run-flat tire, including:

from interior to exterior the inner tube 1, limit for power ring 2, filling layer 3 and cover tire 5 that set gradually, 1 periphery in the inner tube is located to limit for power ring 2 cover, is provided with elastic ring 4 in the filling layer 3, and limit for power ring 2 setting is hugged closely to the inboard of filling layer 3, is provided with clearance 6 between the outside of filling layer 3 and the cover tire 5.

In the above embodiment, the inner tube 1 is a high-pressure inner tube, and the inner tube is filled with gas, so that the inner tube 1 expands after the outer tube 5 expands and loses pressure; the force limiting ring 2 is tightly sleeved on the outer circumferential surface of the inner tube 1, the outer tire 5 can store the expansion force of the inner tube 1 when in normal use, when the outer tire 5 is broken and loses pressure (such as tire burst), the inner tube 1 expands, and the force limiting ring 2 is instantaneously broken or released; the elastic ring 4 passes through the inner part of the filler of the filling layer 3 and can expand or contract along the circumferential direction. For example, the normal tire pressure is 2.5bar, and the tire pressure rapidly decreases by 1bar at the time of a tire burst. When the outer tire 5 is broken and loses pressure, the inner tire 1 expands, the force limiting ring 2 is instantaneously broken or released, and the force limiting ring 2 fails; at this time, the inner tube 1 continues to expand and expand outward and circumferentially against the filling layer 3 until the filling layer 3 abuts against the inner wall of the outer tire 5, so that the outer tire 5 is supported again. The embodiment has the advantages of simple structure, high reliability, small change on the existing tire manufacturing process and easy manufacture; the wall thickness of the side wall of the tire is not required to be increased or the supporting ring is not required to be added on the inner wall of the tire, the comfort of the tire is good, and the tire noise is low; a special steel ring does not need to be matched with the anti-explosion tire, and the universality of the tire is good; the existing common tire can be reformed into the run-flat tire, and the application range is wide. The embodiment has the advantages of good comfort, low noise and wide application range.

In one embodiment, the elastic ring 4 divides the filling layer 3 into a first filling layer and a second filling layer, the first filling layer is disposed near the force limiting ring 2, the second filling layer is disposed near the tire casing 5, and the elastic ring 4 is connected with the first filling layer and the second filling layer respectively. The elastic ring 4 is arranged in the filling layer 3 to play a certain supporting and buffering role, and particularly, the elastic ring 4 divides the filling layer 3 into a first filling layer and a second filling layer with equal thickness.

In one embodiment, the filling layer 3 may be a high density foam layer or a sponge layer. The filling layer 3 is preferably made of light filler, so that the weight of the tire can be reduced, the filling layer can be made of high-density foam or sponge layer, and when the tire is decompressed, the filling layer 3 expands along with the expansion of the inner tube 1 to prop against the inner wall of the outer tire 5 to play a role in supporting the tire.

In one embodiment, the filling layer 3 comprises a plurality of foam blocks which are sequentially spliced end to form an annular high-density foam layer. In order to facilitate manufacture and installation, the filling layer 3 can be divided into a plurality of foam blocks, and all the foam blocks are sequentially filled in the manufacturing process. Meanwhile, only the damaged foam block can be replaced during replacement, and the maintenance cost is reduced.

In one embodiment, the elastic ring 4 is a circular spring connected end to end. The elastic ring 4 is supported by a round elastic material, the manufacturing cost is low by adopting a spring, and the installation is very convenient. Finished round springs can be adopted, and vertical springs can also be connected end to obtain the round springs.

In one embodiment, the elastic ring 4 is a rubber ring. Of course, the elastic ring 4 may be made of rubber or silicone rubber having a relatively high hardness.

In one embodiment, the elastic ring 4 comprises a plurality of steel sheets and a plurality of rubber rings, the plurality of rubber rings are arranged at intervals, the plurality of steel sheets are arranged at intervals, and one steel sheet is connected between any two adjacent rubbers. In order to ensure the rigidity of the elastic ring 4 and the elasticity of the elastic ring 4, the steel sheet and the rubber ring are sequentially connected to form a ring to form the elastic ring 4.

In an embodiment, the force limiting ring 2 comprises a steel belt, and a buckle and a bayonet which are respectively arranged at two ends of the steel belt, wherein the buckle and the bayonet are in clamping fit. Set to the connection of not fastening through buckle and buckle, buckle and bayonet socket can break away from when the inner tube 1 inflation, and limit for force ring 2 is inefficacy for the inner tube 1 can continue the inflation and then makes the filling layer 3 expand to the butt live cover tire 5 inner wall.

In one embodiment, the outer surface of the cover tire 5 is provided with anti-skid lines and drainage grooves, and the anti-skid lines are arranged along the circumferential direction of the outer surface of the cover tire. The anti-skid lines play a role in skid resistance, and the water drainage grooves are used for draining water on the outer tire 5 in time.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A run flat tire, comprising:

2. A run-flat tire according to claim 1, wherein said elastomeric ring divides said filling layer into a first filling layer disposed adjacent to said force-limiting ring and a second filling layer disposed adjacent to said outer tire.

3. A run flat tire according to claim 1, wherein said filler layer is a high density foam layer.

4. A run flat tire according to claim 3, wherein said filler layer comprises a plurality of foam blocks joined end to form said annular high density foam layer.

5. A run flat tire according to claim 1, wherein said filler layer is a sponge layer.

6. A run flat tire according to any one of claims 1 to 5, wherein said resilient ring is a circular spring connected end to end.

7. A run-flat tire according to any one of claims 1 to 5, wherein said elastic ring is a rubber ring.

8. A run-flat tire according to any one of claims 1 to 5, wherein said elastic ring comprises a plurality of steel sheets and a plurality of rubber rings, wherein said plurality of rubber rings are arranged at intervals, said plurality of steel sheets are arranged at intervals, and one of said steel sheets is connected between any two adjacent rubbers.

9. A run-flat tire according to any one of claims 1 to 5, wherein the force limiting ring comprises a steel belt and a buckle and a bayonet which are respectively arranged at both ends of the steel belt, and the buckle is in snap fit with the bayonet.

10. A run-flat tire according to any one of claims 1 to 5, wherein the outer surface of the casing is provided with anti-slip threads, said anti-slip threads being arranged circumferentially along the outer surface of the casing.