CN212499742U - Non-pneumatic tire - Google Patents

Abstract

The utility model discloses a non-pneumatic tire, include: the outer ring is used for contacting with the ground, the first rim and the second rim are both arranged between the outer ring and the inner ring, the first rim comprises a plurality of first supporting pieces which are distributed at intervals in the axial direction around the inner ring, the second rim comprises a plurality of second supporting pieces which are distributed at intervals in the axial direction around the inner ring, the first supporting pieces and the second supporting pieces are arranged in a staggered mode in the axial direction of the inner ring, and the first supporting piece and the second supporting piece are obliquely arranged in opposite directions relative to the axial direction of the inner ring, the first supporting part and the second supporting part can be arranged in a manner similar to that of the two legs of a human body which are spread when the human body walks, therefore, the bearing capacity of the non-pneumatic tire is greatly enhanced, the outer ring of the non-pneumatic tire is more uniformly stressed when contacting the ground, and the comfort of the non-pneumatic tire is greatly improved while the bearing capacity is considered.

Description

Non-pneumatic tire

Technical Field

The utility model relates to a tire technical field, in particular to non-pneumatic tire.

Background

The load of the tire is positively correlated with the compression of the tire. When the bearing capacity of the tire is too light, the deformation of the tire is reduced, the comfort level is reduced, the contact between the outer ring of the tire and the ground is reduced, the ground gripping force of the tire is weakened, and the braking distance is prolonged; when the bearing of tire was too big, tire deformation increased, because of the suspension system pressurized of its vehicle, the same comfort level reduced, and the contact of the outer lane of tire and ground is the increase trend, and the tire grabs the ground power reinforce, and wearing and tearing, control dynamics and energy consumption increase. Based on the above drawback, improve current tire structure, make its travelling comfort reach harmonious unity when the bearing changes, be the problem that the present stage urgently needs to be solved.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a non-pneumatic tire that can improve comfort while taking bearing capacity into consideration.

A non-pneumatic tire, comprising: the outer ring is used for contacting with the ground, the first rim and the second rim are arranged between the outer ring and the inner ring, the first rim comprises a plurality of first supporting pieces wound on the inner ring in an axial interval distribution mode, the second rim comprises a plurality of second supporting pieces wound on the inner ring in an axial interval distribution mode, the first supporting pieces and the second supporting pieces are arranged in an axial staggered mode on the inner ring, and the first supporting pieces and the second supporting pieces are opposite to each other in an axial direction of the inner ring in an inclined mode.

In one embodiment, a plurality of the first supports are evenly spaced around the axial direction of the inner ring; and/or

The second supporting pieces are evenly distributed around the axial direction of the inner ring at intervals.

In one embodiment, the inclination angle of the first support and/or the second support with respect to the axial direction of the inner ring is adjustable.

In one embodiment, the outer ring, the inner ring, the first rim and the second rim enclose a hollow channel, and the hollow channel is arranged around the axial direction of the inner ring.

In one embodiment, a cross section of the hollow passage in a radial direction of the inner ring is any one of a circle, an ellipse, and a polygon.

In one embodiment, the hollow passage is adjustable in size in a radial direction of the inner ring.

In one embodiment, the first wheel rim is provided with a plurality of first through holes penetrating through the first wheel rim, and each first through hole is distributed between two adjacent first supporting pieces, so that the two adjacent first supporting pieces are arranged at intervals.

In one embodiment, a plurality of second through holes penetrating through the second rim are formed in the second rim, and each second through hole is distributed between two adjacent second supporting members, so that the two adjacent second supporting members are arranged at intervals.

In one embodiment, the outer side wall of the outer ring is provided with an anti-slip structure.

In one embodiment, the size of the first support in the axial direction of the inner ring increases from the middle of the first support to the direction in which the first support connects the two ends of the outer ring and the inner ring respectively; and/or

The size of the second support piece in the axial direction of the inner ring increases progressively from the middle of the second support piece to the direction in which the second support piece is connected with the two ends of the outer ring and the inner ring respectively.

The utility model provides a non-pneumatic tire, be provided with first rim and second rim between its outer lane and the inner circle, first rim includes a plurality of axial interval distribution's around the inner circle first support piece, the second rim includes a plurality of axial interval distribution's around the inner circle second support piece, first support piece and second support piece stagger in the axial of inner circle and set up, and the axial of the relative inner circle of first support piece and second support piece is the slope setting of opposite direction, can make first support piece and second support piece arrange like the form of shank-off when the human walking, thereby make this non-pneumatic tire self bearing capacity strengthen by a wide margin, and make the atress of this non-pneumatic tire's outer lane when contacting ground more even, thereby make this non-pneumatic tire when taking into account bearing capacity, its travelling comfort promotes greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a non-pneumatic tire in one embodiment;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is a cross-sectional schematic view of the non-pneumatic tire of FIG. 1;

FIG. 4 is a cross-sectional schematic view of the non-pneumatic tire of FIG. 1 from another perspective.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 and 2, the non-pneumatic tire 100 in one embodiment includes an outer ring 110, an inner ring 120, a first rim 130, and a second rim 140, the outer ring 110 is configured to contact the ground, the first rim 130 and the second rim 140 are both disposed between the outer ring 110 and the inner ring 120, the first rim 130 includes a plurality of first supports 132 spaced apart from each other in an axial direction around the inner ring 120, the second rim 140 includes a plurality of second supports 142 spaced apart from each other in the axial direction around the inner ring 120, the first supports 132 and the second supports 142 are staggered in the axial direction of the inner ring 120, and the first supports 132 and the second supports 142 are inclined in opposite directions with respect to the axial direction of the inner ring 120.

The present application provides a non-pneumatic tire 100, a first rim 130 and a second rim 140 are disposed between an outer ring 110 and an inner ring 120 of the non-pneumatic tire 100, the first rim 130 includes a plurality of first supporting members 132 spaced around the axial direction of the inner ring 120, the second rim 140 includes a plurality of second supporting members 142 spaced around the axial direction of the inner ring 120, the first supporting members 132 and the second supporting members 142 are disposed in a staggered manner in the axial direction of the inner ring 120, and the first supporting members 132 and the second supporting members 142 are disposed in an inclined manner in opposite directions with respect to the axial direction of the inner ring 120, so that the first supporting members 132 and the second supporting members 142 are disposed in a manner similar to a manner that two legs of a human body are opened when walking, thereby greatly enhancing the carrying capacity of the non-pneumatic tire 100 itself, and making the force applied to the outer ring 110 of the non-pneumatic tire 100 when contacting the ground more uniform, thereby allowing the non-pneumatic tire 100 to take, the comfort of the utility model is greatly improved.

As shown in fig. 3, in an embodiment, the plurality of first supporting members 132 are uniformly spaced around the axial direction of the inner ring 120 to improve the force uniformity of each first supporting member 132. As shown in fig. 4, further, the plurality of second supporting members 142 are uniformly spaced around the axial direction of the inner ring 120, so as to improve the force uniformity of each second supporting member 142.

In one embodiment, the staggering ratio of the first supporting element 132 and the second supporting element 142 staggered in the axial direction of the inner ring 120 is adjustable, and the staggering ratio can be freely set according to the requirements of the bearing capacity and the damage resistance of the non-pneumatic tire 100, so as to meet the actual use requirements of the non-pneumatic tire 100 with different bearing capacities.

In one embodiment, the inclination angle of the first supporting element 132 and/or the second supporting element 142 relative to the axial direction of the inner ring 120 is adjustable, and the inclination angle can be freely set according to the requirements of the loading and damage resistance of the non-pneumatic tire 100, so as to meet the actual use requirements of the non-pneumatic tire 100 with different loading capacities. In the present embodiment, the inclination angles of the first supporting element 132 and the second supporting element 142 relative to the axial direction of the inner ring 120 are adjustable.

As shown in fig. 3, in an embodiment, the outer ring 110, the inner ring 120, the first rim 130 and the second rim 140 enclose a hollow channel 150, and the hollow channel 150 is disposed around the axial direction of the inner ring 120. So set up to the heat dissipation of non-pneumatic tire 100 can also reduce the produced resistance of this non-pneumatic tire 100 when the bearing for this non-pneumatic tire 100 when taking into account the bearing capacity, its travelling comfort effectively promotes, and can also effectively save this non-pneumatic tire 100's manufacturing material, reduce cost.

In an embodiment, the cross-section of the hollow passage 150 in the radial direction of the inner ring 120 is any one of a circle, an ellipse, or a polygon. It should be noted that the specific configuration of the cross-section of the hollow passage 150 in the radial direction of the inner ring 120 can be selected as appropriate according to the actual situation.

In one embodiment, the size of the hollow channel 150 in the radial direction of the inner ring 120 is adjustable, and the size of the hollow channel 150 in the radial direction of the inner ring 120 can be freely set according to the requirements of the non-pneumatic tire 100 for bearing and damage resistance, so as to meet the actual use requirements of the non-pneumatic tire 100 with different bearing capacities.

As shown in fig. 3, in an embodiment, the first wheel rim 130 is provided with a plurality of first through holes 132 penetrating through the first wheel rim 130, and each first through hole 132 is distributed between two adjacent first support members 132, so that two adjacent first support members 132 are spaced apart. Specifically, the first through holes 132 communicate with the hollow passage 150, and the plurality of first through holes 132 are evenly spaced around the axial direction of the inner ring 120.

As shown in fig. 4, in an embodiment, a plurality of second through holes 142 are formed in the second rim 140 and penetrate through the second rim 140, and each second through hole 142 is distributed between two adjacent second supporting members 142, so that the two adjacent second supporting members 142 are spaced apart from each other. Specifically, the second through holes 142 communicate with the hollow passage 150, and the plurality of second through holes 142 are evenly spaced around the axial direction of the inner ring 120. Referring to fig. 2, further, the second through holes 142 and the first through holes 132 are arranged offset in the axial direction of the inner ring 120.

As shown in fig. 3, in an embodiment, an anti-slip structure 160 is disposed on an outer sidewall of the outer ring 110 to enhance the friction between the outer ring 110 and the ground, so as to prevent the outer ring 110 of the non-pneumatic tire 100 from slipping during the rotation of the outer ring on the ground.

In an embodiment, the anti-slip structure 160 includes a plurality of sets of first anti-slip grooves 162 disposed on the outer sidewall of the outer ring 110, each set of first anti-slip grooves 162 includes a plurality of first anti-slip grooves 162 uniformly spaced around the circumference of the outer ring 110, and specifically, the anti-slip structure 160 includes two sets of first anti-slip grooves 162, and the two sets of first anti-slip grooves 162 are disposed on two sides of the outer ring 110 respectively connecting the first rim 130 and the second rim 140.

In an embodiment, the anti-slip structure 160 further includes a plurality of sets of second anti-slip grooves 164 disposed on the outer sidewall of the outer ring 110 for draining water, each set of second anti-slip grooves 164 includes a plurality of second anti-slip grooves 164 arranged around the outer ring 110 at uniform intervals in the circumferential direction, specifically, the anti-slip structure 160 includes two sets of second anti-slip grooves 164, the two sets of second anti-slip grooves 164 are disposed on two sides of the outer ring 110 respectively connected to the first rim 130 and the second rim 140, the length of the second anti-slip grooves 164 is greater than that of the first anti-slip grooves 162, the depth of the second anti-slip grooves 164 is greater than that of the first anti-slip grooves 162, and the second anti-slip grooves 164 extend from the middle portion of the outer ring 110 to one side of the outer ring 110 connected to the first rim 130 or.

In an embodiment, each second anti-slip groove 164 of the two adjacent sets of second anti-slip grooves 164 is staggered in the circumferential direction of the outer ring 110, so as to avoid a water film being formed between the area where the outer ring 110 is located between the two adjacent sets of second anti-slip grooves 164 and the ground, and further avoid the outer ring 110 of the non-pneumatic tire 100 from slipping during the rotation and the traveling on the ground.

As shown in fig. 3, in an embodiment, the dimension of the first support member 132 in the axial direction of the inner ring 120 increases from the middle of the first support member 132 to the direction in which the first support member 132 connects to the two ends of the outer ring 110 and the inner ring 120, respectively, so that when the non-pneumatic tire 100 bears a load, the two ends of the first support member 132 connecting to the outer ring 110 and the inner ring 120, respectively, can bear more load relative to the middle of the first support member 132, thereby reducing the deformation of the middle of the first support member 132, and thus ensuring that the non-pneumatic tire 100 has good overall bearing performance.

In an embodiment, the dimension of the second support 142 in the axial direction of the inner ring 120 increases from the middle of the second support 142 to the direction in which the second support 142 connects the two ends of the outer ring 110 and the inner ring 120, respectively, so that the two ends of the second support 142 connecting the outer ring 110 and the inner ring 120, respectively, can bear more load relative to the middle of the second support 142 when the non-pneumatic tire 100 bears load, and further the deformation of the middle of the second support 142 is reduced, so that the overall load bearing performance of the non-pneumatic tire 100 is better under the condition of ensuring the comfort of the non-pneumatic tire 100.

As shown in fig. 3, in an embodiment, the first support 132 is provided with first material reducing holes 136 respectively connecting two ends of the outer ring 110 and the inner ring 120, so as to save manufacturing materials of the non-pneumatic tire 100 and reduce cost. As shown in fig. 4, further, the second support 142 is provided with second material reducing holes 146 respectively connecting two ends of the outer ring 110 and the inner ring 120, so as to save manufacturing materials of the non-pneumatic tire 100 and reduce cost.

The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.

Claims (10)

1. A non-pneumatic tire, comprising: the outer ring is used for contacting with the ground, the first rim and the second rim are arranged between the outer ring and the inner ring, the first rim comprises a plurality of first supporting pieces wound on the inner ring in an axial interval distribution mode, the second rim comprises a plurality of second supporting pieces wound on the inner ring in an axial interval distribution mode, the first supporting pieces and the second supporting pieces are arranged in an axial staggered mode on the inner ring, and the first supporting pieces and the second supporting pieces are opposite to each other in an axial direction of the inner ring in an inclined mode.

2. A non-pneumatic tire according to claim 1, wherein a plurality of said first supports are evenly spaced about an axial direction of said inner race; and/or

The second supporting pieces are evenly distributed around the axial direction of the inner ring at intervals.

3. A non-pneumatic tyre as claimed in claim 1, wherein the angle of inclination of the first support and/or the second support with respect to the axial direction of the inner ring is adjustable.

4. The non-pneumatic tire of claim 1 wherein the outer ring, the inner ring, the first rim and the second rim enclose a hollow channel disposed about an axial direction of the inner ring.

5. A non-pneumatic tyre as claimed in claim 4, wherein the cross-section of the hollow channel in the radial direction of the inner ring is any one of circular, elliptical or polygonal.

6. A non-pneumatic tire according to claim 4, wherein said hollow passageway is adjustable in size radially of said inner ring.

7. The non-pneumatic tire of claim 1, wherein the first rim has a plurality of first through holes formed therethrough, each of the first through holes being distributed between two adjacent first supports, such that the two adjacent first supports are spaced apart from each other.

8. The non-pneumatic tire of claim 1 wherein the second rim has a plurality of second through holes formed therethrough, each of the second through holes being disposed between two adjacent second supports to space the two adjacent second supports.

9. A non-pneumatic tire according to claim 1, wherein the outer ring is provided with an anti-slip structure on an outer sidewall thereof.

10. A non-pneumatic tire according to claim 1, wherein the dimension of the first support in the axial direction of the inner ring increases from the middle portion of the first support to the direction in which the first support connects both ends of the outer ring and the inner ring, respectively; and/or

The size of the second support piece in the axial direction of the inner ring increases progressively from the middle of the second support piece to the direction in which the second support piece is connected with the two ends of the outer ring and the inner ring respectively.

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