CN110920325A

CN110920325A - Pneumatic tires, wheels and vehicles

Info

Publication number: CN110920325A
Application number: CN201911349629.6A
Authority: CN
Inventors: 张春如; 孙智勇
Original assignee: GUANGZHOU NEDONG INFORMATION TECHNOLOGY Co Ltd
Current assignee: GUANGZHOU NEDONG INFORMATION TECHNOLOGY Co Ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-03-27

Abstract

The invention discloses a non-pneumatic tire, a wheel and a vehicle; the non-pneumatic tire comprises a tire body, the tire body is provided with an inflation hole for inflating parts to pass through, and the tire body is only provided with a first first a cavity, the inflation hole communicates with the first cavity; or the tire body is provided with at least two interconnected second cavities in the circumferential direction, and the inflation hole communicates with the second cavity . When the above-mentioned non-pneumatic tire is in use, the first cavity or the second cavity is inflated through the inflator, and the first cavity or the second cavity is filled with gas at this time, which is further improved under the action of the gas pressure. The shock absorption effect of air-free tires improves the comfort of users.

Description

Inflation-free tire, wheel and vehicle

Technical Field

The invention relates to the technical field of vehicle accessories, in particular to an inflation-free tire, a wheel and a vehicle.

Background

The traditional inflation-free tire is generally a rubber solid tire, a polyurethane foam tire or a rubber foam filling tire, the rubber solid tire has the advantages of large load, good wear resistance and long service life, and the supporting effect can be realized generally without the help of air.

However, when the conventional non-pneumatic tire is used, the damping effect is poor, and the comfort of the user is affected.

Disclosure of Invention

Based on this, to the problem that the traditional inflation-free tire is poor in damping effect and affects the comfort of users when in use, the inflation-free tire, the wheel and the vehicle are provided, the inflation-free tire and the wheel are good in damping performance, and the vehicle comprises the inflation-free tire or the wheel, so that the vehicle has excellent damping performance.

The specific technical scheme is as follows:

on one hand, the application relates to an inflation-free tire which comprises a tire body, wherein the tire body is provided with an inflation hole for an inflation piece to penetrate through, only one first cavity is formed in the circumferential direction of the tire body, and the inflation hole is communicated with the first cavity; or the circumferential direction of the tire body is provided with at least two second cavities which are communicated with each other, and the inflation hole is communicated with the second cavities.

Above-mentioned exempt from pneumatic tire when using, aerify in to first cavity or second cavity through the inflatable member, make this moment first cavity or second cavity are full of gas, further promote the shock attenuation effect of exempting from pneumatic tire under the effect of gas pressure, and then promote the travelling comfort that the user used.

The technical solution is further explained below:

in one embodiment, the inflation hole comprises a first section of through hole and a second section of through hole, the second section of through hole is communicated with the first cavity or the second cavity through the first section of through hole, and the inner diameter of the second section of through hole is larger than that of the first section of through hole.

In one embodiment, the side wall of the tire body is provided with a shock absorption hole.

In one embodiment, the damping hole comprises a first blind hole and a second blind hole, the number of the first blind holes is multiple, the first blind holes are arranged on the circumferential side wall of the tire body at intervals along a first circumference, the second blind holes are arranged on the circumferential side wall of the tire body at intervals along a second circumference, and the first blind holes are arranged in an area surrounded by the second blind holes to form a blind hole group.

In one embodiment, the tire body comprises a first side surface and a second side surface which are arranged oppositely, and a pressure bearing surface arranged between the first side surface and the second side surface, the number of the blind hole groups is two, one blind hole group is arranged on the first side surface, and the other blind hole group is arranged on the second side surface.

In one embodiment, the non-pneumatic tire further comprises an anti-slip structure, wherein the anti-slip structure is arranged on the pressure-bearing surface and comprises a first anti-slip thread group and a second anti-slip thread group, and the first anti-slip thread group and the second anti-slip thread group are arranged at intervals.

In one embodiment, the first anti-skid thread group comprises a plurality of first anti-skid protrusions, the first anti-skid protrusions are arranged along the circumferential interval of the tire body, the second anti-skid thread group comprises a plurality of second anti-skid protrusions, the second anti-skid protrusions are arranged along the circumferential interval of the tire body, and the first anti-skid protrusions and the second anti-skid protrusions are arranged at included angles but are not connected.

In one embodiment, the anti-slip structure further includes a third anti-slip pattern group, the third anti-slip pattern group is disposed between the first anti-slip pattern group and the second anti-slip pattern group, and the third anti-slip pattern group includes a third anti-slip protrusion.

In another aspect, the present application further relates to a wheel, including the non-pneumatic tire in any of the above embodiments, and further including an inflation member, where the inflation member is disposed through the inflation hole.

In another aspect, the present application is also directed to a vehicle comprising the tire body of any of the above embodiments; or comprises the non-pneumatic tire described in the above embodiments.

When the wheel and the vehicle are used, the first cavity or the second cavity is inflated through the inflation piece, at the moment, the first cavity or the second cavity is filled with gas, the shock absorption effect of the inflation-free tire is further improved under the action of the gas pressure, and the use comfort of a user is further improved.

Drawings

FIG. 1 is a cross-sectional view of a structure of an airless tire in one embodiment;

FIG. 2 is an enlarged view of a portion of A in FIG. 1;

FIG. 3 is a schematic structural view of a tire body;

FIG. 4 is a schematic view showing the distribution of the shock absorbing holes in one embodiment;

FIG. 5 is a schematic view of a shock absorbing hole in another embodiment;

fig. 6 is a schematic structural view of an inflation-free tire from one of the viewing angles.

Description of reference numerals:

10. a non-pneumatic tire; 100. a tire body; 110. a first cavity; 120. an inflation hole; 122. a second section of through hole; 130. a shock absorbing hole; 132. a first blind hole; 134. a second blind hole; 136. a third blind hole; 138. a fourth blind hole; 140. a first side surface; 150. a second side surface; 160. a pressure bearing face; 170. an anti-slip structure; 172. a first anti-slip projection; 174. a second anti-slip projection; 176. a third anti-slip bulge; 200. an inflatable member.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

It will be understood that when an element is referred to as being "secured to" another element, it can be integral with the other element or can be removably connected to the other element.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Further, it is to be understood that, in the present embodiment, the positional relationships indicated by the terms "lower", "upper", "front", "rear", "left", "right", "inner", "outer", "top", "bottom", "one side", "the other side", "one end", "the other end", and the like are based on the positional relationships shown in the drawings; the terms "first," "second," and the like are used herein to distinguish one structural element from another. These terms are merely for convenience in describing the present invention and for simplicity in description, and are not to be construed as limiting the present invention.

Traditional exempt from pneumatic tire forms a plurality of different closed cavities through being provided with many strengthening ribs in the cavity when, these strengthening ribs have increased the weight of exempting from to aerify itself, and production technology is complicated, needs multinomial process, and output is low, and is with high costs, is unfavorable for extensive volume production, has very big limitation to promoting, to the user, and the comfort level significantly reduces moreover. The invention provides an inflation-free tire, a wheel and a vehicle, wherein the inflation-free tire and the wheel have good damping performance, and the vehicle comprises the inflation-free tire or the wheel, so that the vehicle has excellent damping performance.

As shown in fig. 1 and 6, a wheel in an embodiment includes an inflation-free tire 10 and an inflation piece 200, as shown in fig. 1 and 2, the inflation-free tire 10 includes a tire body 100, the tire body 100 further defines an inflation hole 120 for the inflation piece 200 to penetrate through, the tire body 100 defines a first cavity 110 in the circumferential direction, and the inflation hole 120 is communicated with the first cavity 110; or at least two second cavities which are communicated with each other are formed in the circumferential direction of the tire body 100, the inflation hole 120 is communicated with the second cavities, and the inflation piece 200 penetrates through the inflation hole 120.

When the inflation-free tire 10 is used, the first cavity 110 or the second cavity is inflated through the inflation piece 200, and at the moment, the first cavity 110 or the second cavity is filled with gas, so that the shock absorption effect of the inflation-free tire 10 is further improved under the action of the gas pressure, and the use comfort of a user is further improved; further, when the tire body 100 is provided with only one first cavity 110, the production process is simple and the cost is low, and when the tire body 100 is supported by the air in the first cavity 110, the damping performance is good and the comfort is high; or when the tire body 100 is provided with at least two communicated second cavities 110, the gas can be completely filled in the circumferential direction of the tire body 100, the loss of the inner ribs to the damping performance when a plurality of second cavities are formed is reduced, the damping performance is higher, and the comfort is relatively higher.

Alternatively, the inflation member 200 may be a nozzle structure, and the inflation member 200 may be a cylindrical structure or a "J" structure or other irregular shape.

Alternatively, the shock absorbing holes 130 may be circular, square or other irregular shapes; also, the shape of the inflation holes 120 may be circular, square, or other irregular shapes.

As shown in fig. 1, in addition to the above-mentioned embodiment, the side wall of the tire body 100 is provided with the shock absorbing hole 130, and the shock absorbing hole 130 is provided on the outer wall of the tire body 100, so that the vibration of the non-pneumatic tire 10 can be reduced when the non-pneumatic tire 10 is in use.

As shown in fig. 2, based on the above embodiment, the inflation hole 120 includes a first section of through hole and a second section of through hole 122, the second section of through hole 122 is communicated with the first cavity 110 or the second cavity through the first section of through hole (not shown), and the inner diameter of the second section of through hole 122 is larger than that of the first section of through hole, at this time, the inflation hole 120 is in a stepped hole shape, matching the shape of the inflation member 200, and facilitating the installation of the inflation member 200.

As shown in fig. 3 and 4, in order to improve the uniformity of the damping effect of the non-pneumatic tire 10, the damping hole 130 includes a plurality of first blind holes 132 and a plurality of second blind holes 134, the first blind holes 132 are disposed on the circumferential side wall of the tire body 100 at intervals along a first circumference, the second blind holes 134 are disposed on the circumferential side wall of the tire body 100 at intervals along a second circumference, the first blind holes 132 are disposed in the region surrounded by the second blind holes 134 to form a blind hole group, at this time, the first blind holes 132 and the second blind holes 134 are disposed in the circumferential direction of the tire body 100, and the damping performance of the tire body 100 is ensured by the first blind holes 132 and the second blind holes 134; in addition, the first blind hole 132 is disposed in the area surrounded by the second blind hole 134, so that the radial shock absorption performance of the tire body 100 is ensured.

Alternatively, first blind hole 132 and second blind hole 134 may be circular, square, or other irregular shapes.

As shown in fig. 5, in another embodiment, the damping hole 130 includes a plurality of third blind holes 136 and fourth blind holes 138, the third blind holes 136 are disposed at intervals along a third circumference on a circumferential sidewall of the tire body 100, the fourth blind holes 138 are disposed at intervals along a fourth circumference on the circumferential sidewall of the tire body 100, one third blind hole 136 is disposed between two adjacent fourth blind holes 138, and the third blind hole 136 and the fourth blind hole 138 are disposed in the circumferential direction of the tire body 100, so that the damping performance of the tire body 100 is ensured by the third blind holes 136 and the fourth blind holes 138; in addition, the third blind holes 136 are disposed between two adjacent fourth blind holes 138, so that the circumferential damping performance of the tire body 100 is uniform.

Alternatively, the third and fourth

blind holes

136, 138 may be circular, square, or other irregular shapes.

As shown in fig. 4, specifically in this embodiment, the tire body 100 includes a first side surface 140 and a second side surface 150 that are oppositely disposed, and a pressure-bearing surface 160 that is disposed between the first side surface 140 and the second side surface 150, the number of blind hole groups is two, one blind hole group is disposed on the first side surface 140, and the other blind hole group is disposed on the second side surface 150, at this time, the shock absorbing holes 130 are disposed on both side surfaces of the tire body 100, and thus the shock absorbing performance of the non-pneumatic tire 10 can be further improved.

Specifically, the number of the blind hole groups may be one group, or at least two or more groups, and when the number of the blind hole groups is two or more groups, the blind hole groups are arranged at intervals.

Specifically, the inflation holes 120 may be disposed on the first side 140, the second side 150, the pressure bearing surface 160, or the inner side of the tire body 100, as desired.

Further, since the first cavity 110 or the second cavity can be inflated by the inflating member 200 during use, even when the tire body 100 has a plurality of shock absorbing holes 130 formed on both sides thereof, the non-pneumatic tire 10 has a corresponding supporting capability and a corresponding pressure-resistant capability.

As shown in fig. 4, on the basis of the above-mentioned embodiment, the non-pneumatic tire 10 further includes an anti-slip structure 170, and the anti-slip structure 170 is disposed on the pressure-bearing surface 160, so that the anti-slip effect and the safety of use of the non-pneumatic tire 10 are improved by disposing the anti-slip structure 170.

Further, specifically, in this embodiment, in order to improve the anti-slip effect of the anti-slip structure 170, the anti-slip structure 170 includes a first anti-slip thread group and a second anti-slip thread group, and the first anti-slip thread group and the second anti-slip thread group are arranged at intervals, and at this time, the arrangement of the first anti-slip thread group and the second anti-slip thread group can make the anti-slip structure 170 have a larger anti-slip area.

As shown in fig. 4, specifically in this embodiment, the first anti-skid thread group includes a plurality of first anti-skid protrusions 172, and the first anti-skid protrusions 172 are arranged at intervals along the circumferential direction of the tire body 100, so that the anti-skid function of the tire body 100 is realized by arranging the first anti-skid protrusions 172; further, the first anti-slip protrusions 172 are spaced along the circumferential direction of the tire body 100 to ensure that the whole non-pneumatic tire 10 has an anti-slip function during driving.

As shown in fig. 4, in addition, the second cleat group includes a plurality of second cleats 174, and the second cleats 174 are disposed at intervals in the circumferential direction of the tire body 100, so that the cleat function of the tire body 100 is achieved by disposing the second cleats 174; further, the second anti-skid protrusions 174 are arranged along the circumferential direction of the tire body 100 at intervals, so that the whole non-pneumatic tire 10 has an anti-skid function in the driving process; further, the first anti-skid protrusions 172 and the second anti-skid protrusions 174 are disposed at an included angle but not connected to each other, so that the tire body 100 can have anti-skid functions in at least two directions, and the anti-skid performance of the non-pneumatic tire 10 is improved.

Specifically, the first and

second cleats

172 and 174 may be in the shape of a square, a bar, or other irregular shapes.

Further, as shown in fig. 4, in order to improve the anti-skid performance of the non-pneumatic tire 10, the anti-skid structure 170 further includes a third anti-skid pattern group, the third anti-skid pattern group is disposed between the first anti-skid pattern group and the second anti-skid pattern group, and the third anti-skid pattern group includes a third anti-skid projection 176.

Specifically, the third anti-slip protrusion 176 may have a square shape, a long strip shape, or other irregular shapes.

An embodiment also includes a vehicle comprising the tire body 100 of any of the above embodiments; or includes the non-pneumatic tire 10 of the above-described embodiment.

When the vehicle is used, the first cavity 110 or the second cavity is inflated through the inflating part 200, and at the moment, the first cavity 110 or the second cavity is filled with gas, so that the shock absorption effect of the inflation-free tire 10 is further improved under the action of the gas pressure, and the use comfort of a user is further improved; further, when the tire body 100 is provided with only one first cavity 110, the production process is simple and the cost is low, and when the tire body 100 is supported by the air in the first cavity 110, the damping performance is good and the comfort is high; or when the tire body 100 is provided with at least two communicated second cavities 110, the gas can be completely filled in the circumferential direction of the tire body, the loss of the inner ribs to the damping performance when a plurality of second cavities are formed is reduced, the damping performance is higher, and the comfort is relatively higher.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A non-pneumatic tire, characterized in that it comprises a tire body, the tire body is provided with an inflation hole for the inflator to pass through, the tire body is only provided with a first cavity in the circumferential direction, and the tire body is provided with a first cavity. The inflation hole communicates with the first cavity; or the tire body is provided with at least two second cavities communicating with each other in the circumferential direction, and the inflation hole communicates with the second cavities.

2 . The pneumatic tire according to claim 1 , wherein the inflatable hole comprises a first section of through hole and a second section of through hole, and the second section of through hole passes through the first section of through hole and the second section of through hole. 3 . The first cavity or the second cavity is in communication, and the inner diameter of the through hole of the second section is larger than the inner diameter of the through hole of the first section.

3 . The pneumatic-free tire according to claim 1 , wherein the sidewall of the tire body is provided with a shock-absorbing hole. 4 .

4. The pneumatic tire according to claim 3, wherein the shock absorbing hole comprises a first blind hole and a second blind hole, the number of the first blind hole is multiple, and the first blind hole The holes are arranged on the circumferential sidewall of the tire body along the first circumference at intervals, the second blind holes are arranged on the circumferential sidewall of the tire body along the second circumference at intervals, and the first blind holes are arranged on the circumferential sidewall of the tire body. A blind hole group is formed in the area surrounded by the second blind hole.

5. The non-pneumatic tire according to claim 4, wherein the tire body comprises a first side surface and a second side surface arranged opposite to each other, and a pressure bearing surface arranged between the first side surface and the second side surface, The number of the blind hole groups is two, one blind hole group is arranged on the first side surface, and the other blind hole group is arranged on the second side surface.

6 . The air-free tire according to claim 5 , further comprising an anti-skid structure, the anti-skid structure is provided on the pressure bearing surface, and the anti-skid structure comprises a first anti-skid pattern group and a second anti-skid pattern group. 7 . , the first anti-slip pattern group and the second anti-slip pattern group are arranged at intervals.

7 . The air-free tire according to claim 6 , wherein the first anti-skid tread group comprises a plurality of first anti-skid protrusions, and the first anti-skid protrusions are arranged at intervals along the circumferential direction of the tire body. 8 . , the second anti-skid tread group includes a plurality of second anti-skid protrusions, the second anti-skid protrusions are arranged at intervals along the circumferential direction of the tire body, and the first anti-skid protrusions and the second anti-skid protrusions are sandwiched Angular but not connected settings.

8 . The pneumatic tire according to claim 6 , wherein the anti-skid structure further comprises a third anti-skid pattern group, and the third anti-skid pattern group is arranged on the first anti-skid pattern group and the second anti-skid pattern group. 9 . between the groups, and the third anti-skid pattern group includes a third anti-skid protrusion.

9 . A wheel, characterized in that it comprises the non-pneumatic tire according to any one of claims 1 to 8 , and further comprises an inflatable member, the inflatable member passing through the inflatable hole. 10 .

10 . A vehicle, characterized in that it comprises the non-pneumatic tire according to any one of claims 1 to 8 ; or the wheel according to claim 9 .