CN211308143U

CN211308143U - Inflation-free tire, wheel and vehicle

Info

Publication number: CN211308143U
Application number: CN201922376361.7U
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: 2020-08-21
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses an inflation-free tire, a wheel and a vehicle; the inflation-free tire 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 arranged 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.

Description

Inflation-free tire, wheel and vehicle

Technical Field

The utility model relates to a vehicle accessory technical field especially relates to an exempt from pneumatic tire, wheel and 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.

SUMMERY OF THE UTILITY MODEL

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 clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following 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 of description and simplicity of 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. Based on this, the utility model provides an exempt from pneumatic tire, wheel and vehicle, the shock-absorbing capacity of this exempt from pneumatic tire and wheel is good, and the vehicle includes above-mentioned pneumatic tire or wheel exempt from, therefore this vehicle possesses better shock-absorbing capacity.

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 represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The inflation-free tire is characterized by comprising 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.

2. The non-pneumatic tire of claim 1, wherein 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.

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

4. The non-pneumatic tire of claim 3, wherein the shock-absorbing hole comprises a plurality of first blind holes and a plurality of second blind holes, 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 a region surrounded by the second blind holes to form a blind hole group.

5. The non-pneumatic tire of claim 4, wherein 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.

6. The non-pneumatic tire of claim 5, further comprising an anti-slip structure disposed on the pressure-bearing surface, wherein the anti-slip structure comprises a first set of anti-slip strips and a second set of anti-slip strips, and the first set of anti-slip strips and the second set of anti-slip strips are spaced apart.

7. The non-pneumatic tire of claim 6, wherein the first rib group comprises a plurality of first anti-slip protrusions arranged along the circumferential direction of the tire body at intervals, the second rib group comprises a plurality of second anti-slip protrusions arranged along the circumferential direction of the tire body at intervals, and the first anti-slip protrusions and the second anti-slip protrusions are arranged at included angles but not connected.

8. The non-pneumatic tire of claim 6, wherein the anti-slip structure further comprises a third anti-slip pattern group, the third anti-slip pattern group being disposed between the first anti-slip pattern group and the second anti-slip pattern group, and the third anti-slip pattern group including a third anti-slip protrusion.

9. A wheel comprising an inflation-free tire as claimed in any one of claims 1 to 8, and further comprising an inflation member disposed through the inflation hole.

10. A vehicle characterized by comprising the non-pneumatic tire of any one of claims 1 to 8; or comprising a wheel according to claim 9.