CN113291100B - Non-pneumatic tire - Google Patents
Non-pneumatic tire Download PDFInfo
- Publication number
- CN113291100B CN113291100B CN202110621671.XA CN202110621671A CN113291100B CN 113291100 B CN113291100 B CN 113291100B CN 202110621671 A CN202110621671 A CN 202110621671A CN 113291100 B CN113291100 B CN 113291100B
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- Prior art keywords
- spoke
- spoke element
- hub
- pneumatic tire
- tire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 229920001971 elastomer Polymers 0.000 claims description 28
- 239000005060 rubber Substances 0.000 claims description 28
- 229920005989 resin Polymers 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 230000002787 reinforcement Effects 0.000 claims description 9
- 238000010008 shearing Methods 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 description 16
- 238000009826 distribution Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C7/00—Non-inflatable or solid tyres
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention relates to the technical field of tires, and discloses a non-pneumatic tire which comprises a hub, spokes and an outer tire which are sequentially connected; the spoke comprises a first spoke structure and a second spoke structure, the first spoke structure comprises a first spoke element, a second spoke element and a third spoke element, the first spoke element extends outwards from the hub to a first intersection along the radial direction of the hub for a certain length, and the second spoke element and the third spoke element extend from the first intersection to the outer tire; the second spoke structure comprises a fourth spoke element, a fifth spoke element and a sixth spoke element, wherein the fourth spoke element extends from the outer tire to a second intersection point along the radial direction of the wheel hub inwards by a certain length, and the fifth spoke element and the sixth spoke element both extend from the second intersection point to the wheel hub. The non-pneumatic tire provided by the invention can improve the uniformity of the bearing capacity of the tire, thereby improving the supporting performance of the tire.
Description
Technical Field
The invention relates to the technical field of tires, in particular to a non-pneumatic tire.
Background
The tire is used as the only contact part of the vehicle with the ground and plays important roles in bearing load, changing direction, buffering and damping, driving and braking. Conventional pneumatic tires often suffer from flat tires, over-inflated, under-inflated, cracked, or directly punctured, requiring frequent checks of tread wear and detection of tire pressure and temperature information for optimum performance without accidents.
In contrast, the non-pneumatic tire does not have a puncture phenomenon since it is not inflated, and improves the durability of the tire while improving the riding comfort. The non-pneumatic tire transfers the load by means of spokes which may be embedded between the hub and the inner side of the tread by pre-stretching, pre-compression or the like. Therefore, the spoke structure of the non-pneumatic tire will affect the bearing form of the tire, the distribution of tread load, the durability and lateral force of the tire, etc., and improvements in the spoke structure of the non-pneumatic tire to improve the performance of the tire are an ongoing task and are in the field.
Disclosure of Invention
The purpose of the invention is that: provided is a non-pneumatic tire, wherein the uniformity of the tire bearing capacity can be improved by designing the spoke structure of the tire, and further the supporting performance of the tire can be improved.
In order to achieve the above object, the present invention provides a non-pneumatic tire comprising a hub, a spoke and a tire casing connected in sequence;
The spoke comprises a first spoke structure and a second spoke structure, the first spoke structure comprises a first spoke element, a second spoke element and a third spoke element, the first spoke element extends outwards from the hub to a first intersection along the radial direction of the hub for a certain length, the second spoke element and the third spoke element extend to the cover tire from the first intersection and the radial direction of the hub at a certain angle, and the first spoke element is respectively connected with the second spoke element and the third spoke element at the first intersection;
The second spoke structure comprises a fourth spoke element, a fifth spoke element and a sixth spoke element, the fourth spoke element extends inwards from the outer tire to a second intersection along the radial direction of the hub for a certain length, the fifth spoke element and the sixth spoke element extend from the second intersection to the hub at a certain angle with the radial direction of the hub, and the fourth spoke element is respectively connected with the fifth spoke element and the sixth spoke element at the second intersection.
Further, the first spoke structure and the second spoke structure are alternately arranged between the hub and the casing in the circumferential direction of the non-pneumatic tire.
Further, the first spoke structure has a Y-shaped cross section on a cross section perpendicular to the axial direction of the non-pneumatic tire; the second spoke structure is also Y-shaped in cross-section in a cross-section perpendicular to the axial direction of the non-pneumatic tire.
Further, the first intersection point and the second intersection point are located on circumferences corresponding to the same radius or different radii, and the first intersection point and the adjacent second intersection point are connected through an arc-shaped shear band.
Further, the radial thickness of the arc-shaped shear band gradually becomes thinner from two ends to the middle; or (b)
The radial thickness of the arc-shaped shearing band is alternately changed from the first intersection point to the adjacent second intersection point.
Further, the first intersection point is connected with the adjacent second intersection point through a straight shear band.
Further, a first rubber connecting piece is arranged at the first intersection point and is respectively connected with the first spoke element, the second spoke element and the third spoke element;
And a second rubber connecting piece is arranged at the second intersection point and is respectively connected with the fourth spoke element, the fifth spoke element and the sixth spoke element.
Further, the side surface of the first rubber connector and/or the side surface of the second rubber connector are/is provided with a cord for increasing strength.
Further, fiber resin reinforcements are disposed within the first spoke structure and the second spoke structure.
Further, the spoke is made of polyurethane, polyamide or rubber composite material; the spoke and the non-pneumatic tire are integrally formed; or (b)
The spokes are individually formed and attached between the hub and the casing by bonding, rivets or screws.
Compared with the prior art, the non-pneumatic tire provided by the technical scheme has the beneficial effects that: the first spoke element of the first spoke structure extends outwards to a certain length from the hub along the radial direction of the hub to a first intersection point, the second spoke element and the third spoke element are branched at the first intersection point and extend to the outer tire, the fourth spoke element of the second spoke structure extends inwards to a certain length from the outer tire along the radial direction of the hub to the second intersection point, the fifth spoke element and the sixth spoke element are branched at the second intersection point and extend to the hub, the branched structure enables the tire load to be distributed more uniformly, and the first spoke structure and the second spoke structure are connected with the outer tire and the hub after being branched, so that the transmission and distribution uniformity of the bearing capacity of the outer tire and the hub of the tire is improved, and the supporting performance of the tire is further improved.
Drawings
FIG. 1 is a schematic view of a non-pneumatic tire according to a first embodiment of the present invention;
FIG. 2 is a schematic view of a spoke according to a first embodiment of the present invention;
FIG. 3 is a schematic structural view of a non-pneumatic tire according to a second embodiment of the present invention;
FIG. 4 is a schematic structural view of a non-pneumatic tire according to a third embodiment of the present invention;
FIG. 5 is a schematic view of an arcuate shear band according to a third embodiment of the present invention;
FIG. 6 is a schematic view of an arcuate shear band according to a fourth embodiment of the present invention;
FIG. 7 is a schematic view of an arcuate shear band according to a fifth embodiment of the present invention;
FIG. 8 is a schematic view of an arcuate shear band according to a sixth embodiment of the present invention;
FIG. 9 is a schematic view of a spoke according to a seventh embodiment of the invention;
FIG. 10 is an enlarged partial view of area A of FIG. 9;
FIG. 11 is an enlarged partial view of region B of FIG. 9;
FIG. 12 is a schematic view showing the structure of a fibrous resin reinforcement according to a seventh embodiment of the present invention provided on a spoke member;
Fig. 13 is a schematic view showing a structure in which a fiber-reinforced resin sheet material according to an eighth embodiment of the present invention is provided on a spoke member.
Wherein 1-first spoke structure, 11-first spoke element, 12-second spoke element, 13-third spoke element, 2-second spoke structure, 21-fourth spoke element, 22-fifth spoke element, 23-sixth spoke element, the novel plastic sheet comprises a 3-arc-shaped structure, a 4-arc-shaped shear belt, a 5-thickening structure, a 6-straight shear belt, a 7-first rubber connector, an 8-second rubber connector, 9-cords, a 101-fiber resin reinforcement and a 102-fiber reinforced resin sheet.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the present invention as indicated by the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted", "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The following terms are defined in embodiments of the invention as follows:
"axial direction" refers to the direction of the axis of rotation of, for example, a shear band, tire, and/or wheel as it progresses along a road surface.
"Radial direction" or R refers to a direction orthogonal to the axial direction and extending in the same direction as any radius extending orthogonally from the axial direction.
"Nominal load" or "maximum load" is the maximum load provided by the supplier in the structural design. The amount of hub sag in the radial direction at "nominal load" is the maximum deflection of the tire as it moves.
As shown in fig. 1 to 13, a non-pneumatic tire provided by an embodiment of the present invention includes a hub, a spoke, and a casing (hub and casing are not shown in the drawings) connected in sequence; the spoke comprises a first spoke structure 1 and a second spoke structure 2, the first spoke structure 1 comprises a first spoke element 11, a second spoke element 12 and a third spoke element 13, the first spoke element 11 extends outwards from the hub to a first intersection along the radial direction of the hub for a certain length, the second spoke element 12 and the third spoke element 13 extend to the tire casing from the first intersection at a certain angle with the radial direction of the hub, and the first spoke element 11 is respectively connected with the second spoke element 12 and the third spoke element 13 at the first intersection; the second spoke structure 2 comprises a fourth spoke element 21, a fifth spoke element 22 and a sixth spoke element 23, wherein the fourth spoke element 21 extends inwards from the outer tire to a certain length to a second intersection point along the radial direction of the hub, the fifth spoke element 22 and the sixth spoke element 23 extend to the hub from the second intersection point at a certain angle with the radial direction of the hub, and the fourth spoke element 21 is respectively connected with the fifth spoke element 22 and the sixth spoke element 23 at the second intersection point.
Based on the non-pneumatic tire of the above scheme, the first spoke element 11 of the first spoke structure 1 extends outwards from the hub along the radial direction of the hub for a certain length to a first intersection point, the second spoke element 12 and the third spoke element 13 are branched at the first intersection point and extend to the outer tire, the fourth spoke element 21 of the second spoke structure 2 extends inwards from the outer tire along the radial direction of the hub for a certain length to a second intersection point, the fifth spoke element 22 and the sixth spoke element 23 are branched at the second intersection point and extend to the hub, the branched structure enables the tire load to be distributed more uniformly, and the first spoke structure 1 and the second spoke structure 2 are branched and then are connected with the outer tire and the hub, so that the transmission and distribution uniformity of the bearing capacity of the outer tire and the hub is improved, and the supporting performance of the tire is further improved.
The following provides a detailed description of various embodiments of the non-pneumatic tire provided by the present invention.
Example 1
As shown in fig. 1, the non-pneumatic tire provided in this embodiment, in which the spokes can be made of polyurethane or polyamide, and the spokes can be integrally formed or separately formed and then attached to the hub and the tread by bonding, rivets, screws, or the like.
As shown in fig. 1 and 2, the spoke comprises a first spoke structure 1 and a second spoke structure 2, the first spoke structure 1 is provided with a first spoke element 11, a second spoke element 12 and a third spoke element 13, the second spoke element 12 and the third spoke element 13 are respectively connected with the inner side surface of the tire casing, and the second spoke element 12 and the third spoke element 13 have an included angle alpha, which is in the range of 60-150 degrees, preferably more than or equal to 90 degrees, more preferably more than or equal to 100 degrees. The second spoke elements 12 and the third spoke elements 13 may or may not be symmetrically distributed in the radial direction, preferably symmetrically distributed. The first spoke element 11 is connected to the hub in the radial direction. The second spoke structure 2 has a fourth spoke element 21, a fifth spoke element 22 and a sixth spoke element 23, the fourth spoke element 21 being connected to the inner side surface of the tire casing in the radial direction, the fifth spoke element 22 and the sixth spoke element 23 having an included angle β in the range of 30-120 °, preferably equal to or less than 90 °, more preferably equal to or less than 60 °, the fifth spoke element 22 and the sixth spoke element 23 being symmetrically distributed or asymmetrically distributed, preferably symmetrically distributed, in the tire radial direction. The α and β may be the same or different. The first intersection point and the second intersection point may or may not be intermediate between the hub and the tread.
As shown in fig. 1, the first spoke structure 1 and the second spoke structure 2 are alternately arranged between the hub and the casing in the circumferential direction of the non-pneumatic tire.
As shown in fig. 2, in two adjacent spoke structures, the length of the first spoke element 11 of the first spoke structure 1 in the radial direction of the tire is L1, the length of the fourth spoke element 21 of the second spoke structure 2 in the radial direction of the tire is L2, and L1 and L2 may be equal or unequal.
With continued reference to fig. 2, the second spoke element 12 and the third spoke element 13 of the first spoke structure 1 diverge at a first intersection point, and the fifth spoke element 22 and the sixth spoke element 23 of the second spoke structure 2 diverge at a second intersection point, such that the first spoke structure 1, the second spoke structure 2 assume a Y-shape, such a diverging Y-shape structure providing a more uniform distribution of tire loads. The spoke elements are connected at the junction using the structure shown in fig. 2. The number of first and second spoke structures 1, 2 is related to the standard load provided by the manufacturer, and when assembled as a non-pneumatic tire, the Y-spokes are in a pre-stretched condition by an amount greater than or equal to the deflection displacement of the tire at maximum load, such that the spoke elements are in a stretched condition during the movement of the tire for most of the time, forming a shear band top load of the tire.
Example two
As shown in fig. 3, the present embodiment differs from the first embodiment only in that: each spoke element in the embodiment is provided with an arc-shaped structure 3 at the joint of the first intersection point and the second intersection point, and the arc-shaped structure 3 is beneficial to increasing the connection strength between each spoke element and reducing the stress concentration of the spoke at the intersection point in the tire movement process.
Other contents of this embodiment are the same as those of the first embodiment, and will not be described here again.
Example III
As shown in fig. 4, the present embodiment differs from the first embodiment only in that: the length of the first spoke element 11 is L1 and L2 of the fourth spoke element 21 have a numerical relationship such that the first intersection point and the second intersection point are located on circumferences corresponding to the same radius, and the first intersection point and the adjacent second intersection point are connected by an arc-shaped shear band 4, each arc-shaped shear band 4 together forming an annular shear band having the same or different length as the spoke in the axial direction. The shear band may or may not be aligned with one end of the spoke structure when the shear band has a different length in the axial direction than the spoke.
In addition, as shown in fig. 5, the thickness of the arcuate shear band 4 of the present embodiment is always the same in the radial direction of the tire, and the presence of the shear band improves the structural stability of the spokes and the lateral stiffness of the tire.
In addition, the shearing band can be integrally formed with the spoke in a pouring mode, and the tensile modulus of a material used for the shearing band is smaller than that of a spoke material.
Other contents of this embodiment are the same as those of the first embodiment, and will not be described here again.
Example IV
As shown in fig. 6, the present embodiment differs from the third embodiment only in that: the arc-shaped shearing bands 4 have different thicknesses in the radial direction, and the arc-shaped shearing bands 4 gradually become thinner from the intersection points of the two ends and the two spokes to the middle, so that the structure can effectively prevent the expansion of cracks in the spokes.
Other contents of this embodiment are the same as those of the embodiment, and will not be described here again.
Example five
As shown in fig. 7, the present embodiment differs from the third embodiment only in that: the radial thickness of the arc-shaped shearing band 4 shows alternating thickness from the first intersection point to the adjacent second intersection point; the middle and two ends of the arc-shaped shearing band 4 are provided with thickening structures 5, so that the annular shearing band 4 between two adjacent spokes presents a shape with thin and thick phases, and when a crack expands to a part with a narrower thickness, the crack can be effectively prevented from further expanding, and the service life of the spoke is further prolonged.
Other contents of this embodiment are the same as those of the embodiment, and will not be described here again.
Example six
As shown in fig. 8, the present embodiment differs from the third embodiment only in that: the length L1 of the first spoke element 11 has another relationship with the length L2 of the fourth spoke element 21 such that the first intersection point and the second intersection point are not located on the circumference corresponding to the same radius, and the first intersection point and the adjacent second intersection point are connected by a straight shear band 6.
Other contents of this embodiment are the same as those of the embodiment, and will not be described here again.
Example seven
As shown in fig. 9 to 11, the present embodiment differs from the first embodiment only in that: the first spoke structure 1 and the second spoke structure 2 are made of rubber, wherein the rubber contains fibers or fiber composite materials for reinforcement. In addition, a first rubber connecting piece 7 is arranged at the first intersection point of the spokes, and the first rubber connecting piece 7 is respectively connected with a first spoke element 11, a second spoke element 12 and a third spoke element 13; a second rubber connection 8 is provided at the second junction, the second rubber connection 8 being connected to a fourth spoke element 21, a fifth spoke element 22 and a sixth spoke element 23, respectively. The first rubber connector 7 and the second rubber connector 8 have a large tensile modulus.
Wherein, as shown in fig. 10 and 11, the outer side surfaces of the first rubber connector 7 and the second rubber connector 8 are provided with a cord 9 for increasing strength. The cord 9 can be a tire belt cord which is commonly used in pneumatic tires, can be fiber with toughness such as polyester, nylon and the like, the warp density of the cord can be 60-110 cords/10 cm, and the cord density is correspondingly adjusted according to the bearing.
In addition, as shown in fig. 12, the first spoke structure 1 and the second spoke structure 2 have a fiber resin reinforcement 101 therein, and the fiber may be glass fiber, basalt fiber, quartz fiber or low-modulus carbon fiber, and the fiber resin reinforcement 101 has a circular/elliptical cross section, and the mass content of the fiber in the composite material is in the range of 60 to 80wt%, preferably 65 to 75wt%. The fiber-resin reinforcement 101 increases the bending stiffness of the spokes, thereby improving the load bearing and running stability of the tire. The fibrous resin reinforcement 101 may be provided in any or all or part of the spoke elements.
Furthermore, the first spoke element 11 extends to the inside of the first rubber link 7, and the fourth spoke element 21 extends to the inside of the second rubber link 8, functioning to suppress deformation of the rubber link, reducing poisson deformation of the rubber link. The first and second spoke structures 1 and 2 may be attached to the inner side of the hub and casing by an adhesive, such as epoxy, phenolic, cyanoacrylate, or the like, as is commonly used.
Other contents of this embodiment are the same as those of the first embodiment, and will not be described here again.
Example eight
As shown in fig. 13, the present embodiment differs from the seventh embodiment only in that: the spoke elements (part or all) of the first spoke structure 1 and the spoke elements (part or all) of the second spoke structure 2 are provided with fiber reinforced resin plates 102 serving as reinforcing elements, the fiber reinforced resin plates 102 can be structural members prepared by means of mould pressing, pultrusion and the like, or resin plates prepared by three-dimensional braiding, the mass content of fibers in the fiber reinforced resin plates 102 is in the range of 60-80wt%, preferably in the range of 65-75wt%, the thickness of the plates is not more than one third of the thickness of the spoke elements in the circumferential direction, and the fiber reinforced resin plates 102 can strengthen rubber spokes to provide better supporting force and lateral force.
Other contents of this embodiment are the same as those of the seventh embodiment, and will not be described here again.
In summary, the non-pneumatic tire provided by the embodiment of the invention can effectively improve the bearing uniformity of the tire, prolong the service life of the spoke, improve the lateral force and durability of the tire, and maintain the riding comfort of the non-pneumatic tire.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (8)
1. A non-pneumatic tire is characterized by comprising a hub, spokes and an outer tire which are sequentially connected;
The spoke comprises a first spoke structure and a second spoke structure, the first spoke structure comprises a first spoke element, a second spoke element and a third spoke element, the first spoke element extends outwards from the hub to a first intersection along the radial direction of the hub for a certain length, the second spoke element and the third spoke element extend to the cover tire from the first intersection and the radial direction of the hub at a certain angle, and the first spoke element is respectively connected with the second spoke element and the third spoke element at the first intersection;
the second spoke structure comprises a fourth spoke element, a fifth spoke element and a sixth spoke element, the fourth spoke element extends inwards from the outer tire to a second intersection along the radial direction of the hub for a certain length, the fifth spoke element and the sixth spoke element both extend to the hub from the second intersection at a certain angle with the radial direction of the hub, and the fourth spoke element is respectively connected with the fifth spoke element and the sixth spoke element at the second intersection;
the first spoke structure and the second spoke structure are alternately arranged between the hub and the outer tire in the circumferential direction of the non-pneumatic tire;
the first spoke structure has a Y-shaped cross section on a cross section perpendicular to the axial direction of the non-pneumatic tire; the second spoke structure is also Y-shaped in cross-section in a cross-section perpendicular to the axial direction of the non-pneumatic tire.
2. The non-pneumatic tire of claim 1, wherein the first intersection point and the second intersection point are located on circumferences corresponding to the same radius or different radii, the first intersection point and the adjacent second intersection point being connected by an arcuate shear band.
3. The non-pneumatic tire of claim 2 wherein the radial thickness of the arcuate shear band tapers from the ends to the middle; or (b)
The radial thickness of the arc-shaped shearing band is alternately changed from the first intersection point to the adjacent second intersection point.
4. The non-pneumatic tire of claim 1, wherein the first junction and the adjacent second junction are connected by a straight shear band.
5. The non-pneumatic tire of claim 1, wherein a first rubber connection is provided at the first junction, the first rubber connection being connected to the first spoke element, the second spoke element, and the third spoke element, respectively;
And a second rubber connecting piece is arranged at the second intersection point and is respectively connected with the fourth spoke element, the fifth spoke element and the sixth spoke element.
6. The non-pneumatic tire of claim 5, wherein the side of the first rubber connector and/or the second rubber connector is provided with cords for increased strength.
7. The non-pneumatic tire of claim 1, wherein fibrous resin reinforcements are disposed within the first and second spoke structures.
8. The non-pneumatic tire of claim 1, wherein the spokes are made of polyurethane, polyamide or rubber composite; the spoke and the non-pneumatic tire are integrally formed; or (b)
The spokes are individually formed and attached between the hub and the casing by bonding, rivets or screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110621671.XA CN113291100B (en) | 2021-06-03 | 2021-06-03 | Non-pneumatic tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110621671.XA CN113291100B (en) | 2021-06-03 | 2021-06-03 | Non-pneumatic tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113291100A CN113291100A (en) | 2021-08-24 |
| CN113291100B true CN113291100B (en) | 2024-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110621671.XA Active CN113291100B (en) | 2021-06-03 | 2021-06-03 | Non-pneumatic tire |
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| CN (1) | CN113291100B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228403B (en) * | 2021-11-17 | 2022-07-29 | 广东粤港澳大湾区黄埔材料研究院 | Polyurethane spoke for non-pneumatic tire and preparation method thereof |
| US20230405950A1 (en) * | 2022-06-20 | 2023-12-21 | The Goodyear Tire & Rubber Company | Process for producing non-pneumatic tires |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217227204U (en) * | 2021-06-03 | 2022-08-19 | 中国科学院长春应用化学研究所 | Non-pneumatic tire |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6076704B2 (en) * | 2012-11-16 | 2017-02-08 | 東洋ゴム工業株式会社 | Non-pneumatic tire |
| CN203142279U (en) * | 2013-01-09 | 2013-08-21 | 厦门连科工业有限公司 | Elastic rim |
| JP6212381B2 (en) * | 2013-12-24 | 2017-10-11 | 住友ゴム工業株式会社 | Airless tire |
| CN104669944A (en) * | 2015-03-11 | 2015-06-03 | 山东玲珑轮胎股份有限公司 | Non-pneumatic tire |
| AU2017266840A1 (en) * | 2016-05-18 | 2018-01-04 | Lanxess Solutions Us Inc. | Non-pneumatic elastomeric tire with crossed spoke sidewalls |
| CN106004223B (en) * | 2016-06-15 | 2018-12-14 | 安徽江淮汽车集团股份有限公司 | Air-free tyre and automobile |
| CN110225833A (en) * | 2016-12-22 | 2019-09-10 | 米其林集团总公司 | Non-aeration wheel and wheel hub |
| CN207594648U (en) * | 2017-11-16 | 2018-07-10 | 青岛双星轮胎工业有限公司 | Non-inflatable tyre |
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2021
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN217227204U (en) * | 2021-06-03 | 2022-08-19 | 中国科学院长春应用化学研究所 | Non-pneumatic tire |
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