CN114312150A - Pneumatic tires - Google Patents

Abstract

The present disclosure relates to the technical field of tires, and in particular, to a pneumatic-free tire. The pneumatic tire comprises an inner ring, a support body, an outer ring and a tread which are coaxially arranged; the inner ring is sleeved on the wheel hub; the support body is used for connecting the outer surface of the inner ring and the outer ring The inner surface of the outer ring, the connection between the support body and the outer ring and the side surface of the support body are provided with communicating channels; the tread is provided on the outer surface of the outer ring, and the tread is provided with There are longitudinal grooves arranged along the circumferential direction of the tire; the outer ring is provided with drainage holes for connecting the holes and the longitudinal grooves. The air-free tire, through the arrangement of the longitudinal grooves, the drainage holes and the holes on the tread, can make the road surface water pass through the longitudinal grooves and the drainage holes in sequence and then flow from the holes to the side of the tire when the tire encounters a wading road. , thereby significantly improving the tire's drainage capacity and wet skid resistance.

Description

Pneumatic tires

technical field

The present disclosure relates to the technical field of tires, and in particular, to a pneumatic-free tire.

Background technique

At present, most of the tires in use are pneumatic tires. Pneumatic tires use the high pressure of compressed air in the tire to carry the load of the vehicle and have good riding comfort. However, when the pneumatic tire is punctured, it is easy to leak air, which will weaken the tire's bearing capacity, and will lead to increased or irregular wear of the tire tread. Tire puncture is prone to occur, affecting the safety of the vehicle. The non-pneumatic tires do not have the above-mentioned risks of air leakage and puncture, and are maintenance-free.

However, the currently used non-pneumatic tires and pneumatic tires squeeze the road surface water in the middle of the tire to the side of the tire through the lateral grooves on the tread to prevent the tire from slipping. However, such lateral grooves only exist in a small amount on the road surface. Water accumulation can prevent slippage. When the road surface is too deep, due to the limitation of the drainage capacity of the lateral grooves, tire slippage will still occur.

SUMMARY OF THE INVENTION

In order to solve the above technical problems, the present disclosure provides a pneumatic-free tire.

The present disclosure provides a pneumatic-free tire, comprising an inner ring, a support body, an outer ring and a tread that are coaxially arranged;

the inner ring is sleeved on the hub;

The support body is used to connect the outer surface of the inner ring and the inner surface of the outer ring, and the connection between the support body and the outer ring and the side surface of the support body are provided with communicating holes;

The tread is arranged on the outer surface of the outer ring, and the tread is provided with longitudinal grooves arranged along the circumferential direction of the tire;

The outer ring is provided with drainage holes for connecting the holes and the longitudinal grooves.

Optionally, the support body is a hollow structure.

Optionally, the support body includes a plurality of plate-like structures evenly arranged along the tire circumferential direction, two ends of the plate-like structures are correspondingly connected to the inner ring and the outer ring, and two adjacent ones are connected. The voids between the plate-like structures form the channels.

Optionally, the drainage holes include square holes and round holes.

Optionally, the axis of the drainage hole is perpendicular to the axis of the inner ring.

Optionally, the openings on both sides of the drainage hole are provided with chamfered or rounded corner structures.

Optionally, the tread is provided with lateral grooves, and the lateral grooves extend from the middle position of the tread to the sidewall of the tread.

Optionally, the tread comprises a plurality of tread strips, the plurality of tread strips are evenly arranged on the outer ring along the axial direction of the inner ring, and a gap between two tread strips forms the Longitudinal grooves.

Optionally, the inner ring and/or the outer ring include a fiber layer; the fiber layer is composed of continuous long fibers, and the continuous long fibers are selected from glass fibers, glass fiber filaments, carbon fibers, metal fibers, polyester, rayon, One or more of aramid, nylon and cotton.

Optionally, the longitudinal groove is a wavy groove-like structure.

Compared with the prior art, the technical solutions provided by the embodiments of the present disclosure have the following advantages:

The non-pneumatic tire provided by the present disclosure, through the arrangement of the longitudinal grooves, the drainage holes and the holes on the tread, can make the road surface water pass through the longitudinal grooves and the drainage holes in sequence and then flow from the holes when the tire encounters a wading road. to the side of the tire, thereby significantly improving the tire's drainage capacity and wet skid resistance; at the same time, the use of this drainage method can also prevent the tread from being worn in daily use, resulting in shallow longitudinal grooves, thereby reducing drainage capacity situation occurs.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the accompanying drawings that are required to be used in the description of the embodiments or the prior art will be briefly introduced below. In other words, on the premise of no creative labor, other drawings can also be obtained from these drawings.

FIG. 1 is a schematic structural diagram of a non-pneumatic tire according to an embodiment of the disclosure with a partial support body removed;

FIG. 2 is a schematic structural diagram of a pneumatic-free tire according to an embodiment of the disclosure;

FIG. 3 is a schematic structural diagram of a lug groove in a pneumatic-free tire according to an embodiment of the disclosure;

4 is a schematic structural diagram of the air-free tire according to an embodiment of the disclosure using a circular hole-shaped drainage hole;

5 is a schematic structural diagram of a wave-shaped longitudinal groove in a pneumatic-free tire according to an embodiment of the disclosure;

6 is a schematic structural diagram of a fiber layer in a pneumatic-free tire according to an embodiment of the disclosure;

FIG. 7 is a schematic structural diagram of longitudinal fibers and transverse fibers in FIG. 6 .

Among them, 1, inner ring; 2, support body; 3, outer ring; 31, drainage hole; 4, tread; 41, longitudinal groove; 42, tread strip; 43, transverse groove; 51, longitudinal fiber; 52 , transverse fibers.

Detailed ways

In order to more clearly understand the above objects, features and advantages of the present disclosure, the solutions of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments may be combined with each other under the condition of no conflict.

Many specific details are set forth in the following description to facilitate a full understanding of the present disclosure, but the present disclosure can also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only a part of the embodiments of the present disclosure, and Not all examples.

At present, most of the tires in use are pneumatic tires. Pneumatic tires use the high pressure of compressed air in the tire to carry the load of the vehicle and have good riding comfort. However, when the pneumatic tire is punctured, it is easy to leak air, which will weaken the tire's bearing capacity, and will lead to increased or irregular wear of the tire tread. Tire puncture is prone to occur, affecting the safety of the vehicle. The non-pneumatic tires do not have the above-mentioned risks of air leakage and puncture, and are maintenance-free.

However, the currently used non-pneumatic tires and pneumatic tires squeeze the road surface water in the middle of the tire to the side of the tire through the lateral grooves on the tread to prevent the tire from slipping. However, such lateral grooves only exist in a small amount on the road surface. Water accumulation can prevent slippage. When the road surface is too deep, due to the limitation of the drainage capacity of the lateral grooves, tire slippage will still occur.

Based on this, this embodiment provides a pneumatic-free tire. Through the arrangement of the longitudinal grooves, the drainage holes and the holes on the tread, the accumulated water on the road surface can be pressed by the tire and then pass through the longitudinal grooves and the drainage holes in sequence. Then it flows from the hole to the side of the tire, thereby significantly improving the tire's drainage capacity and wet skid resistance; at the same time, this drainage method can also prevent the tread from being worn in daily use. This reduces the drainage capacity. It will be described in detail below through specific embodiments:

Referring to FIGS. 1 and 2 , a pneumatic-free tire provided in this embodiment includes an inner ring 1, a support body 2, an outer ring 3 and a tread 4 that are coaxially arranged; the inner ring 1 is sleeved on the hub; The body 2 is used to connect the outer surface of the inner ring 1 and the inner surface of the outer ring 3, the connection between the support body 2 and the outer ring 3 and the side surface of the support body 2 are provided with communicating holes; On the outer surface, the tread 4 is provided with longitudinal grooves 41 arranged along the tire circumferential direction;

Among them, through the arrangement of the longitudinal grooves 41, the drainage holes 31 and the holes on the tread 4, when the tire encounters a wading road, the road surface water can pass through the longitudinal grooves 41 and the drainage holes 31 in sequence and then flow from the holes to the tire. At the same time, the use of this drainage method can also prevent the tread 4 from being worn down in daily use, resulting in shallow longitudinal grooves 41, thereby reducing the drainage capacity. situation occurs.

It should be noted that the outer ring 3 is made of an elastomer material, and the elastomer material includes high molecular polymers such as rubber, polyurethane, and resin.

In some embodiments, the support body 2 is a hollow structure.

In a further embodiment, the support body 2 includes a plurality of plate-like structures uniformly arranged along the circumferential direction of the tire, two ends of the plate-like structures are connected to the inner ring 1 and the outer ring 3 correspondingly, and two adjacent plate-like structures The gap between them forms a channel; it should be noted that the support body 2 can also be in other shapes with structures such as micropores, honeycombs, etc., as long as it can ensure sufficient supporting strength and can help the tire to drain water, through the support of the hollow structure The arrangement of the body 2 can ensure that the tire has good drainage without reducing other performances of the tire.

2 to 5, the drainage hole 31 includes a square hole and a round hole; the round hole can reduce stress concentration and improve the durability of the outer ring 3 and the corresponding tread 4 part; and the square hole can be in the longitudinal direction. The hollow area is increased within the range of the pattern grooves 41 to increase the drainage volume. You can also choose other suitable shapes and sizes according to the actual use.

It should be understood that, through the arrangement of the support body 2, the tread 4 and the longitudinal grooves 41, the wet skid resistance of the tire can be improved without reducing the rolling resistance and wear resistance of the tire.

In a further embodiment, the axis of the drainage hole 31 is perpendicular to the axis of the inner ring 1; this arrangement can make the direction of the drainage hole 31 match the pressure direction of the tire on the ground, and it is convenient for the area of water to pass directly through the drainage hole 31 into the channel. , which is more conducive to the drainage of accumulated water; it should be understood that the axial direction of the drainage hole 31 can also have a certain angle with the radial direction of the inner ring 1, as long as the drainage hole 31 can be ensured to achieve drainage.

In some embodiments, the openings on both sides of the drainage hole 31 are provided with chamfered or rounded structures; by setting the chamfered structure, the water and gas can flow more smoothly in the drainage hole 31 during drainage and exhaust, thereby achieve the purpose of reducing noise.

Continuing to refer to FIG. 3 , the tread 4 is provided with lug grooves 43, and the lug grooves 43 extend from the middle position of the tread 4 to the sidewall of the tread 4; The accumulated water is quickly discharged to the side of the tire through the extrusion of the tire, and at the same time, the lateral grooves 43 can also have the effect of cutting the water film and improving the driving performance and the grip performance of the vehicle.

In some embodiments, the tread 4 includes a plurality of tread strips 42 , which are uniformly arranged on the outer ring 3 along the axial direction of the inner ring 1 , and the gaps between the two tread strips 42 form longitudinal grooves 41 . ; Dividing the tread 4 into a plurality of independent tread strips 42 can reduce the total thickness of the tread 4, and when one of the tread strips 42 is damaged, it is convenient for maintenance and replacement, reducing the maintenance cost in the later period. At the same time, the tread strip 42 It is also more convenient for production and processing, and can effectively reduce production costs.

6 and 7, the inner ring 1 and/or the outer ring 3 include a fiber layer; the fiber layer is composed of continuous long fibers, and the continuous long fibers are selected from glass fibers, glass fiber filaments, carbon fibers, metal fibers, polyester, One or more of rayon, aramid, nylon and cotton; wherein the fiber layer includes longitudinal fibers 51 arranged in the circumferential direction and transverse fibers 52 arranged in the tire width direction, longitudinal fibers 51 and transverse fibers 52 The location of the drainage holes 31 is avoided; it should be noted that the fiber layer may be a multi-layer fiber composite structure or a single-layer fiber structure.

Continuing to refer to FIG. 5 , the longitudinal groove 41 is a wavy groove-shaped structure; wherein, the wavy shape may be a curved shape or a broken line shape.

The specific implementation manner and implementation principle are the same as the above-mentioned embodiments, and can bring about the same or similar technical effects, which will not be repeated here.

It should be noted that, herein, terms such as "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements , but also other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above descriptions are only specific embodiments of the present disclosure, so that those skilled in the art can understand or implement the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure is not intended to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A non-pneumatic tire, characterized in that it comprises an inner ring (1), a support body (2), an outer ring (3) and a tread (4) arranged coaxially; The inner ring (1) is sleeved on the hub; The support body (2) is used for connecting the outer surface of the inner ring (1) and the inner surface of the outer ring (3), and the connection between the support body (2) and the outer ring (3) And the side surface of the support body (2) is provided with a communicating channel; The tread (4) is arranged on the outer surface of the outer ring (3), and the tread (4) is provided with longitudinal grooves (41) arranged along the tire circumferential direction; The outer ring (3) is provided with a drainage hole (31) for connecting the hole and the longitudinal groove (41). 2 . The air-free tire according to claim 1 , wherein the support body ( 2 ) is a hollow structure. 3 . 3 . The pneumatic-free tire according to claim 2 , wherein the support body ( 2 ) comprises a plurality of plate-like structures uniformly arranged along the tire circumferential direction, and two ends of the plate-like structures corresponding to the The inner ring (1) and the outer ring (3) are connected, and the gap between the two adjacent plate-like structures forms the channel. 4. The non-pneumatic tire according to claim 1, wherein the drainage hole (31) comprises a square hole and a round hole. 5. The pneumatic-free tire according to claim 1, wherein the axis of the drainage hole (31) is perpendicular to the axis of the inner ring (1). 6 . The air-free tire according to claim 1 , wherein the openings on both sides of the drainage hole ( 31 ) are provided with a chamfered or rounded structure. 7 . 7. The non-pneumatic tire according to claim 1, wherein the tread (4) is provided with a lug groove (43), the lug groove (43) extending from the tread (4) The mid-position of the tread extends to the sidewall of the tread (4). 8. The non-pneumatic tire according to claim 1, wherein the tread (4) comprises a plurality of tread strips (42) along the inner ring (1) The longitudinal direction grooves (41) are formed by the gap between the two tread strips (42). 9. The pneumatic-free tire according to claim 1, wherein the inner ring (1) and/or the outer ring (3) comprise a fiber layer. 10. The non-pneumatic tire according to claim 1, characterized in that, the longitudinal grooves (41) are wavy groove-like structures.

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