CN211222910U - Non-pneumatic tire, wheel and vehicle - Google Patents
Non-pneumatic tire, wheel and vehicle Download PDFInfo
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- CN211222910U CN211222910U CN201922010287.7U CN201922010287U CN211222910U CN 211222910 U CN211222910 U CN 211222910U CN 201922010287 U CN201922010287 U CN 201922010287U CN 211222910 U CN211222910 U CN 211222910U
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Abstract
The utility model discloses an exempt from pneumatic tire, wheel and vehicle, exempt from pneumatic tire includes: a carcass having a cavity therein; the middle rib is arranged in the cavity and divides the cavity into a first damping cavity and a second damping cavity along the axial direction of the tire body; the first ribs are arranged in the first damping cavity and are arranged at intervals along the circumferential direction of the tire body, each first rib is obliquely arranged relative to the axial direction of the tire body, and the oblique directions of two adjacent first ribs are opposite; a plurality of second ribs, it is a plurality of the second rib is located in the second shock-absorbing cavity and along the circumference interval of matrix sets up, every the second rib for the axial slope of matrix sets up, and adjacent two the incline direction of second rib is opposite. According to the utility model discloses exempt from pneumatic tire can enough improve riding comfort, can guarantee side direction rigidity and support nature again.
Description
Technical Field
The utility model belongs to the technical field of the vehicle technique and specifically relates to an exempt from pneumatic tire, wheel and vehicle.
Background
In a small-wheel-diameter vehicle (such as a scooter or a balance car) in the related art, the non-pneumatic tire adopts a solid structure, and riding comfort is low. Aiming at the situation, the partial non-pneumatic tire adopts the mode of axial punching (hole tire) or circumferential hollowing (hollow tire), is improved, but the lateral rigidity of the non-pneumatic tire is poor, the support performance is insufficient, the side slipping is easy to occur during sharp turning, and the bumping feeling is existed during riding after the tire is mounted.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide an inflation-free tire, which can improve riding comfort and ensure lateral rigidity and support.
The embodiment of the utility model provides a still provide a wheel that has above-mentioned inflation free tire.
The embodiment of the utility model provides a still provide a vehicle that has above-mentioned wheel.
In order to achieve the above object, an embodiment of the present invention provides a non-pneumatic tire, including: a carcass having a cavity therein; the middle rib is arranged in the cavity and divides the cavity into a first damping cavity and a second damping cavity along the axial direction of the tire body; the first ribs are arranged in the first damping cavity and are arranged at intervals along the circumferential direction of the tire body, each first rib is obliquely arranged relative to the axial direction of the tire body, and the oblique directions of two adjacent first ribs are opposite; a plurality of second ribs, it is a plurality of the second rib is located in the second shock-absorbing cavity and along the circumference interval of matrix sets up, every the second rib for the axial slope of matrix sets up, and adjacent two the incline direction of second rib is opposite.
According to the utility model discloses exempt from pneumatic tire both has riding comfort, and can guarantee to incline rigidity and support nature.
According to some embodiments of the present invention, each of the first ribs is disposed between the intermediate rib and a side wall of the carcass and is connected to the intermediate rib and a side wall of the carcass, respectively; each second rib is arranged between the middle rib and the other side wall of the tire body and is respectively connected with the middle rib and the other side wall of the tire body.
Furthermore, two adjacent first ribs form a pair, the inner ends of the two first ribs in each pair are close to each other, the outer ends of the two first ribs in each pair are far away from each other, and the inner ends of the two first ribs in adjacent pairs are far away from each other, and the outer ends of the two first ribs in adjacent pairs are close to each other; two adjacent second ribs form a pair, the inner ends of the two second ribs in each pair are close to each other, the outer ends of the two second ribs in each pair are far away from each other, and the inner ends of the two second ribs in adjacent pairs are far away from each other, and the outer ends of the two second ribs in adjacent pairs are close to each other.
Further, a plurality of pairs of first ribs and a plurality of pairs of second ribs are provided in one-to-one correspondence with positions of the carcass in the circumferential direction.
According to some embodiments of the present invention, the inner ends of the two first ribs of each pair are connected to each other or arranged at intervals in the circumferential direction of the carcass, and the outer ends of the two first ribs of adjacent pairs are connected to each other or arranged at intervals in the circumferential direction of the carcass; the inner ends of the two second ribs in each pair are connected with each other or arranged at intervals along the circumferential direction of the tire body, and the outer ends of the two second ribs in adjacent pairs are connected with each other or arranged at intervals along the circumferential direction of the tire body.
According to some embodiments of the present invention, the cavity is open at an inner circumferential surface of the carcass, and the inner wall of the cavity is provided with a first transverse rib and a second transverse rib; the first transverse rib is positioned in the first damping cavity, and two ends of the first transverse rib are respectively connected with the root of the middle rib and one side wall of the tire body; and the second transverse rib is positioned in the second damping cavity, and two ends of the second transverse rib are respectively connected with the root of the middle rib and the other side wall of the tire body.
Further, each first transverse rib is positioned between two first ribs of adjacent pairs; each second transverse rib is positioned between two second ribs of adjacent pairs.
According to some embodiments of the present invention, the intermediate rib is located axially of the carcass at the center of the carcass, and the intermediate rib is followed the circumferential extension of the carcass is performed over the entire circumference.
According to the utility model discloses second aspect embodiment provides a wheel, the wheel includes according to the utility model discloses the pneumatic tire is exempted from to the first aspect embodiment.
According to the utility model discloses the wheel, through according to the utility model discloses the first aspect embodiment exempt from pneumatic tire, can enough improve the travelling comfort by bus, have good bending performance again.
According to the utility model discloses third aspect embodiment provides a vehicle, the vehicle includes according to the utility model discloses second aspect embodiment the wheel.
According to the utility model discloses vehicle, according to the utility model discloses second aspect embodiment the wheel, good riding comfort and bending performance have.
Drawings
The above advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of an inflation-free tire according to an embodiment of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 1.
Fig. 4 is a sectional view taken along line C-C of fig. 1.
Reference numerals:
a non-pneumatic tire 1,
A tyre body 100, a cavity 110, a first damping cavity 111, a second damping cavity 112, a first transverse rib 120, a second transverse rib 130,
A first rib 300,
Detailed Description
Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more.
The following describes an inflation-free tire 1 according to an embodiment of the present invention with reference to the drawings. The material of the non-pneumatic tire 1 may be rubber, plastic or Polyurethane (PU).
As shown in fig. 1 to 4, the non-pneumatic tire 1 includes a carcass 100, an intermediate rib 200, a first rib 300, and a second rib 400.
The carcass 100 has a cavity 110 therein, and the middle rib 200 is disposed in the cavity 110 and divides the cavity 110 into a first cushion chamber 111 and a second cushion chamber 112 along the axial direction of the carcass 100, that is, the first cushion chamber 111 and the second cushion chamber 112 are distributed along the axial direction of the carcass 100. A plurality of first ribs 300 are arranged in the first damping cavity 111 and are arranged at intervals along the circumferential direction of the tire body 100, each first rib 300 is arranged obliquely relative to the axial direction of the tire body 100, the inclination directions of two adjacent first ribs 300 are opposite, a plurality of second ribs 400 are arranged in the second ribs 400 and are arranged at intervals along the circumferential direction of the tire body 100, each second rib 400 is arranged obliquely relative to the axial direction of the tire body 100, and the inclination directions of two adjacent second ribs 400 are opposite.
For example, the inclination directions of two adjacent first ribs 300 are opposite, that is, when viewed from the same axial direction, one of the first ribs 300 extends clockwise from the end near the middle rib 200, and the other first rib 300 extends counterclockwise from the end near the middle rib 200.
The adjacent two second ribs 400 are inclined in opposite directions, that is, when viewed from the same axial direction, one second rib 400 extends clockwise from the end near the middle rib 200, and the other second rib 400 extends counterclockwise from the end near the middle rib 200.
According to the utility model discloses exempt from pneumatic tire 1, through the setting of middle rib 200, can reduce and ride and jolt the sense to can form strong support and guarantee the travelling comfort again to the tire. Moreover, the tire body 100 is internally provided with a cavity 110, the middle rib 200 is arranged in the cavity 110 and divides the cavity 110 into a first damping cavity 111 and a second damping cavity 112 along the axial direction of the tire body 100, so that the comfort of the inflation-free tire 1 can reach about 90% of that of a vacuum tire (namely a hollow tire and a hollow tire), and meanwhile, about 40% of materials can be saved compared with a solid tire. In addition, each first rib 300 is obliquely arranged relative to the axial direction of the tire body 100, the oblique directions of two adjacent first ribs 300 are opposite, each second rib 400 is obliquely arranged relative to the axial direction of the tire body 100, and the oblique directions of two adjacent second ribs 400 are opposite, so that the lateral rigidity can be improved, the over-bending performance is improved, and the condition of sideslip during sharp turning is prevented.
Therefore, according to the utility model discloses pneumatic tire 1 can enough improve riding comfort, can guarantee side direction rigidity and support nature again.
According to some embodiments of the present invention, as shown in fig. 1 to 4, each first rib 300 is disposed between the middle rib 200 and a sidewall of the carcass 100 and is connected to the middle rib 200 and a sidewall of the carcass 100, respectively. Each second rib 400 is provided between the intermediate rib 200 and the other sidewall of the carcass 100 and is connected to the intermediate rib 200 and the other sidewall of the carcass 100, respectively. Thereby, the lateral rigidity of the non-pneumatic tire 1 can be further improved to further improve the over-bending capability.
Specifically, as shown in fig. 1 to 4, two adjacent first ribs 300 form a pair, the inner ends of the two first ribs 300 in each pair are close to each other and the outer ends are far away from each other, and the inner ends of the two first ribs 300 in adjacent pairs are far away from each other and the outer ends are close to each other.
Two adjacent second ribs 400 form a pair, the inner ends of the two second ribs 400 in each pair are close to each other and the outer ends are far away from each other, and the inner ends of the two second ribs 400 in adjacent pairs are far away from each other and the outer ends are close to each other.
Wherein, a plurality of pairs of first ribs 310 and a plurality of pairs of second ribs 410 are provided in one-to-one correspondence with positions in the circumferential direction of the carcass 100.
For example, the lengths of the plurality of first ribs 310 are equal, and the inner ends of each pair of first ribs 310 are close to each other and the outer ends are far away from each other, i.e., the distance between each pair of first ribs 310 gradually increases from the inner ends to the outer ends. Two adjacent pairs of first ribs 310, i.e. two adjacent first ribs 310 that are not a pair, have inner ends that are far away from each other and outer ends that are close to each other, i.e. the distance between two adjacent pairs of first ribs 310 decreases from the inner ends to the outer ends.
The plurality of second ribs 410 are equal in length, and the inner ends of each pair of second ribs 410 are close to each other and the outer ends are far from each other, i.e., the distance between each pair of second ribs 410 gradually increases from the inner ends to the outer ends. Adjacent pairs of two second ribs 410, i.e. adjacent and non-paired two second ribs 410, the inner ends of adjacent pairs of two second ribs 410 are far away from each other and the outer ends are close to each other, i.e. the distance between adjacent pairs of two second ribs 410 gradually increases from the inner ends to the outer ends.
Thus, the pairs of first ribs 310 substantially form a continuous W shape extending along the circumferential direction of the tire body 100 and reciprocating along the axial direction of the tire body 100, and the pairs of second ribs 410 substantially form a continuous W shape extending along the circumferential direction of the tire body 100 and reciprocating along the axial direction of the tire body 100, so that the lateral rigidity of the non-pneumatic tire 1 is further improved, the over-bending performance is ensured, the riding bumpiness is reduced, and the riding comfort is increased.
According to some embodiments of the present invention, as shown in fig. 1 to 4, the inner ends of the two first ribs 310 of each pair are connected to each other or arranged along the circumferential interval of the tire body 100, and the outer ends of the two first ribs 310 of adjacent pairs are connected to each other or arranged along the circumferential interval of the tire body 100. The inner ends of the two second ribs 410 in each pair are connected to each other or arranged at intervals in the circumferential direction of the tire body 100, and the outer ends of the two second ribs 410 in adjacent pairs are connected to each other or arranged at intervals in the circumferential direction of the tire body 100.
For example, the inner ends of the two first ribs 310 in each pair are connected to each other, and the inner ends of the two second ribs 400 in each pair are also connected to each other; the outer ends of two first ribs 310 of adjacent pairs are connected to each other, and the outer ends of two second ribs 410 of adjacent pairs are also connected to each other. As such, the first and second ribs 310 and 410 define a plurality of small shock-absorbing chambers within the first and second shock-absorbing chambers 111 and 112, and the cross-sections of the small shock-absorbing chambers are triangular.
Alternatively, the inner ends of the two first ribs 310 in each pair are spaced apart in the circumferential direction of the carcass 100, and the inner ends of the two second ribs 410 in each pair are also spaced apart in the circumferential direction of the carcass 100. The outer ends of two first ribs 310 of adjacent pairs are arranged at intervals along the circumferential direction of the tire body 100, and the outer ends of two second ribs 410 of adjacent pairs are also arranged at intervals along the circumferential direction of the tire body 100. As such, the first and second ribs 310 and 410 define a plurality of small shock-absorbing chambers within the first and second shock-absorbing chambers 111 and 112, and the cross-sections of the small shock-absorbing chambers are trapezoidal.
Therefore, different arrangement modes of the first ribs 300 and the second ribs 410 can be adopted according to different use conditions, and the diversity and universality of the non-pneumatic tire 1 are improved.
According to some embodiments of the present invention, as shown in fig. 3, the cavity 110 is open at the inner circumferential surface of the carcass 100, the inner wall of the cavity 110 is provided with a first transverse rib 120 and a second transverse rib 130, and the first transverse rib 120 and the second transverse rib 130 may be connected to the portion of the carcass 100 forming the tread, i.e., the inner surface of the outer circumferential wall of the entire carcass 100. The first transverse rib 120 is located in the first cushion chamber 111 (for example, at the bottom of the first cushion chamber 111), and both ends of the first transverse rib 120 are connected to the root of the middle rib 200 and a sidewall of the tire body 100, respectively. The second transverse rib 130 is located in the second damper chamber 112 (e.g., the bottom of the second damper chamber 111), and both ends of the second transverse rib 130 are connected to the root of the middle rib 200 and the other sidewall of the carcass 100, respectively.
Wherein each first transverse rib 120 is located between two first ribs 300 of an adjacent pair; each second transverse rib 130 is located between two second ribs 400 of an adjacent pair.
Specifically, the root of the middle rib 200, i.e., the portion where the middle rib 200 is connected to the inner wall of the cavity 110. The first transverse rib 120 and the second transverse rib 130 are perpendicular to the middle rib 200, and the first transverse rib 120 and the second transverse rib 130 are in one-to-one correspondence in position in the circumferential direction of the carcass 100.
Thus, the connection strength between the middle rib 200 and the tire body 100 is enhanced through the arrangement of the first transverse rib 120 and the second transverse rib 130, the lateral rigidity is improved, and the side slip is prevented.
According to some embodiments of the present invention, as shown in fig. 1 to 4, the middle rib 200 is located at the center of the carcass 100 in the axial direction of the carcass 100, and the middle rib 200 extends along the circumferential direction of the carcass 100 for the entire circumference. Therefore, the support performance of the non-pneumatic tire 1 is further ensured, and the stress on two axial sides of the non-pneumatic tire 1 is uniform.
A wheel according to an embodiment of the present invention is described below.
According to the utility model discloses wheel includes according to the utility model discloses pneumatic tire 1 exempts from.
According to the utility model discloses wheel, through according to the utility model discloses pneumatic tire 1 can enough improve riding comfort, has good bending performance again.
A vehicle according to an embodiment of the present invention is described below. The vehicle may be a scooter or a balance car.
According to the utility model discloses a vehicle includes according to the utility model discloses the wheel.
According to the utility model discloses vehicle, according to the utility model discloses the wheel, good riding comfort and bending performance have.
Other configurations of vehicles according to embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An airless tire, comprising:
a carcass having a cavity therein;
the middle rib is arranged in the cavity and divides the cavity into a first damping cavity and a second damping cavity along the axial direction of the tire body;
the first ribs are arranged in the first damping cavity and are arranged at intervals along the circumferential direction of the tire body, each first rib is obliquely arranged relative to the axial direction of the tire body, and the oblique directions of two adjacent first ribs are opposite;
a plurality of second ribs, it is a plurality of the second rib is located in the second shock-absorbing cavity and along the circumference interval of matrix sets up, every the second rib for the axial slope of matrix sets up, and adjacent two the incline direction of second rib is opposite.
2. The non-pneumatic tire of claim 1, wherein each of said first ribs is disposed between and connected to said intermediate rib and a sidewall of said carcass, respectively;
each second rib is arranged between the middle rib and the other side wall of the tire body and is respectively connected with the middle rib and the other side wall of the tire body.
3. The non-pneumatic tire of claim 2, wherein two adjacent first ribs form a pair, the inner ends of the two first ribs in each pair being proximate to each other and the outer ends being distal from each other, the inner ends of the two first ribs in adjacent pairs being distal from each other and the outer ends being proximate to each other;
two adjacent second ribs form a pair, the inner ends of the two second ribs in each pair are close to each other, the outer ends of the two second ribs in each pair are far away from each other, and the inner ends of the two second ribs in adjacent pairs are far away from each other, and the outer ends of the two second ribs in adjacent pairs are close to each other.
4. The non-pneumatic tire according to claim 3, wherein a plurality of pairs of the first ribs and a plurality of pairs of the second ribs are provided in one-to-one correspondence with positions in a circumferential direction of the carcass.
5. The non-pneumatic tire of claim 3, wherein the inner ends of the two first ribs of each pair are connected to each other or are spaced apart in the circumferential direction of the carcass, and the outer ends of the two first ribs of adjacent pairs are connected to each other or are spaced apart in the circumferential direction of the carcass;
the inner ends of the two second ribs in each pair are connected with each other or arranged at intervals along the circumferential direction of the tire body, and the outer ends of the two second ribs in adjacent pairs are connected with each other or arranged at intervals along the circumferential direction of the tire body.
6. The non-pneumatic tire of claim 3, wherein the cavity is open at the inner circumferential surface of the carcass, and the inner wall of the cavity is provided with a first transverse rib and a second transverse rib;
the first transverse rib is positioned in the first damping cavity, and two ends of the first transverse rib are respectively connected with the root of the middle rib and one side wall of the tire body;
and the second transverse rib is positioned in the second damping cavity, and two ends of the second transverse rib are respectively connected with the root of the middle rib and the other side wall of the tire body.
7. An airless tire as in claim 6 wherein each of said first transverse ribs is located between an adjacent pair of two first ribs;
each second transverse rib is positioned between two second ribs of adjacent pairs.
8. The non-pneumatic tire of any one of claims 1 to 7, wherein the intermediate rib is located at the center of the carcass in the axial direction of the carcass, and the intermediate rib extends over the entire circumference in the circumferential direction of the carcass.
9. A wheel, characterized by comprising an airless tire as claimed in any one of claims 1 to 8.
10. A vehicle comprising a wheel according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010287.7U CN211222910U (en) | 2019-11-20 | 2019-11-20 | Non-pneumatic tire, wheel and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922010287.7U CN211222910U (en) | 2019-11-20 | 2019-11-20 | Non-pneumatic tire, wheel and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211222910U true CN211222910U (en) | 2020-08-11 |
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ID=71931139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922010287.7U Active CN211222910U (en) | 2019-11-20 | 2019-11-20 | Non-pneumatic tire, wheel and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211222910U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561978A (en) * | 2019-10-11 | 2019-12-13 | 安徽世界村智能装备有限公司 | High-durability inflation-free damping anti-bump tire |
-
2019
- 2019-11-20 CN CN201922010287.7U patent/CN211222910U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561978A (en) * | 2019-10-11 | 2019-12-13 | 安徽世界村智能装备有限公司 | High-durability inflation-free damping anti-bump tire |
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