CN206217509U - Air-free tyre and automobile - Google Patents

Abstract

The utility model discloses a kind of air-free tyre and automobile, the air-free tyre includes rubber tread and spoke, the rubber tread is sleeved on the spoke, the spoke includes spoke outer ring, spoke centre circle and spoke inner ring, the spoke outer ring is fixedly connected by outer spoke with the spoke centre circle, and the spoke centre circle is fixedly connected by interior spoke with the spoke inner ring；The median plane of described outer spoke and the interior spoke in same radial position at grade, and intersects at the spoke centre circle.The automobile includes foregoing air-free tyre.The utility model can prevent vehicle from being blown out when running at high speed, and improve security, reliability, startability and the braking ability of vehicle traveling.

Description

Air-free tyre and automobile

Technical field

The utility model is related to a kind of tire, particularly a kind of air-free tyre；The utility model further relates to a kind of using preceding State the automobile of air-free tyre.

Background technology

Tire is mounted on automobile and the component for rolling is contacted with ground.Tire be able to will not only bear right as transferring The vehicle load of elephant, will also buffer the traveling impact that ground injustice causes.

Tire and wheel make motor racing in vehicle bridge (axle) power transmission and ground between.Therefore, tire and wheel arrangement should Meet following basic demands：Enough load-bearing capacities and speed ability are good with less rolling resistance and running noise Attachment characteristic and mass balance, wear-resistant, resistance to puncture, ageing-resistant and good air-tightness, quality is small, price is low, convenient disassembly, Interchangeability is good.

Tire has various sorting techniques, wherein, it is divided into radial, cross-ply etc. by carcass structure difference；By curtain Wire material difference steel splitting wire tire, half steel wire tire, staple fibre tire and cotton cord tyre；By different points of passenger cars of purposes (referring to car, light bus) tire, commercial car (referring to lorry, motorbus) tire, off-highway use wheel tire, special purpose vehicle tire； Press different points of highway tread pattern tires of tread contour, cross-country tread pattern tire, dual purpose tread pattern tire and extraordinary rib tire；Press section shape Shape difference is divided to two kinds of conventional section tyre and low-profile tyre；It is divided to tubed tyre and tubeless tyre two by air tight manner difference Kind.

Passenger vehicle tyre size is small, and high speed and comfortableness are good；Commercial car tire size is big, and bearing capacity is strong；It is off-highway It is good with wheel tire tack, the resistance to puncture of tyre surface, it is adaptable to work under severe conditions.Highway tread pattern tire drag is small, make an uproar Sound is small, it is adaptable to used on paved road, and wherein annular ribs tire is applied to good road surface, and transverse pattern tire is applied to soil Stone road surface；Cross-country tread pattern tire is applied to bad road surface or is used without road area；Dual purpose tread pattern tire is suitable for use with pavement conditions Protean occasion.

The widely used aerated rubber tyre of present automobile, pneumatic tire is to inject in confined space compressed air to keep The tire of shock-absorbing capacity is obtained while tire shape by air pressure, wherein it is divided into tubed tyre and tubeless tyre again, Tubeless tyre is called vacuum tyre.However, pneumatic tire is present is punctured or is difficult to when tearing the defect for keeping its shape.At a high speed If pneumatic tire explosion during traveling, the operability of vehicle becomes extreme difference, be the reason for causing the major accidents such as overturning it One.

In the key property of tire, tire it is elastic extremely important.When structure mechanics analysis are carried out to tire, such as scheme Shown in 1, tire this elastic model is often divided into tread rubber layer 100, belt 200 and 300 3, sidewall elastic ring, and handle Wheel 400 regards rigidity as, and with reference to Fig. 1 and Fig. 2, these three elastic rings form the lateral stiffness K of tire_s, radial rigidity K_rWith turn Dynamic stiffness K_t, lateral stiffness K_sThe lateral deviation power of tire is determined, and lateral deviation power directly affects the control stability of vehicle, lateral deviation power becomes Change easily causes shimmy of front wheels greatly；Radial rigidity K_rDirectly affect the bearing capacity and ride comfort of vehicle；Rotational stiffness K_tTo vehicle Braking ability and startability influence are very big.

Present air-free tyre is progressively developed, and future also will progressively use air-free tyre.Air-free tyre be it is a kind of not The tire of support force is realized by air, support and the buffering of tire are realized by material and structure.Air-free tyre is taken turns Spoke outer ring substitutes belt, and sidewall is substituted with the spoke and spoke centre circle of spoke, and spoke inner ring is combined with wheel, air-free tyre Tread rubber layer is essentially identical with pneumatic tire, therefore, the spoke of air-free tyre and the combination bodily form of tread rubber layer into bullet Sexual function will substitute tread rubber layer, belt and three, the sidewall spring function of elastic ring of pneumatic tire, connection wheel and The spoke of tread rubber layer, not only want tire keep cylindrical shape, but also can bear and buffer laterally, radially and rotation when The effect of power and torque.

Air-free tyre due to the particularity of its structure, when there is hard objects to pierce through tire, can't as pneumatic tire that Sample is blown out, and can be moved on, and greatly promotes power driving safety.But the foreign matters such as water, silt, stone are easily accessible without turbine In gap between tire spoke, existing air-free tyre is poor to the discharge ability of foreign matter.

A kind of air-free tyre is disclosed in the Chinese invention patent specification of Application No. 201210458366.4, its structure As shown in figure 3, including rubber tread 500, spoke 600, outer side band 700 and inner band 800.Due to the load from vehicle etc., Impact, the moment of torsion from wheel hub that frictional force, road pavement form from road surface are brought etc. form complicated internal stress, these power Act on tire, so this air-free tyre has problems with：When by road shocks, buffer capacity is poor, causes The ride comfort of vehicle traveling is poor.

Utility model content

The purpose of this utility model is to provide a kind of air-free tyre, and to solve deficiency of the prior art, it can prevent car Blown out when running at high speed, improve security, reliability, startability and the braking ability of vehicle traveling.

The utility model additionally provides a kind of automobile using above-mentioned air-free tyre.

The utility model provides a kind of air-free tyre, including rubber tread and spoke, and the rubber tread is sleeved on institute State on spoke, the spoke include spoke outer ring, spoke centre circle and spoke inner ring, the spoke outer ring by outer spoke with it is described Spoke centre circle is fixedly connected, and the spoke centre circle is fixedly connected by interior spoke with the spoke inner ring；In same radial position Described outer spoke and the interior spoke median plane at grade, and intersect at the spoke centre circle.

In foregoing air-free tyre, it is preferable that the radial section of the spoke outer ring is right by inner side straightway, both sides two Straightway and outer arc the section composition of title, the outer arc section form the wheel after the axis rotation of the air-free tyre The outer surface of spoke outer ring, the inner side straightway forms the interior table of the spoke outer ring after the axis rotation of the air-free tyre Face, the both sides straightway forms two sides of the spoke outer ring after the axis rotation of the air-free tyre.

In foregoing air-free tyre, it is preferable that the surfaces externally and internally of the spoke centre circle and the spoke inner ring is cylinder Face.

A kind of automobile, including tire, the tire are above-mentioned air-free tyre.

Compared with prior art, the utility model includes rubber tread and spoke, and the rubber tread is sleeved on the wheel On spoke, the spoke includes spoke outer ring, spoke centre circle and spoke inner ring, and the spoke outer ring passes through outer spoke and the spoke Centre circle is fixedly connected, and the spoke centre circle is fixedly connected by interior spoke with the spoke inner ring；Institute in same radial position State the median plane of outer spoke and the interior spoke at grade, and intersect at the spoke centre circle.Using the structure, work as wheel When tire is subject to radial forces, interior spoke 25 directly is delivered to from outer spoke 24, then be delivered to spoke inner ring 23；When vehicle braking Or when starting, wheel is acted on by tangential force, and the tangential force of outer spoke 24 is delivered to interior spoke 25 by spoke centre circle 22, and The outer spoke and interior spoke of surrounding are delivered in time, and the stress for producing tangential force disperses, and reduces the stress of each spoke, improves The reliability of spoke and life-span, meanwhile, spoke centre circle 22 can greatly improve rotational stiffness K_t, so as to improve the braking ability of vehicle And startability.

The outer arc face of spoke outer ring is prevented from rubber tread abjection, and the inner arc face of spoke outer ring can improve The discharge ability of water and foreign matter, the big geometric form of the interior thickness of formation between spoke outer ring outer arc face and inner arc face Shape, while intensity in the middle part of air-free tyre is improved, the flexibility of raising and side.

The utility model need not be inflated, and can effectively prevent vehicle from being blown out when running at high speed, and further improve vehicle The safety and reliability of traveling.

The automobile that the utility model is provided includes air-free tyre, because the air-free tyre has above-mentioned technique effect, bag Automobile containing the air-free tyre should also have identical technique effect.

Brief description of the drawings

Fig. 1 is tire construction mechanical analysis schematic diagram in the prior art；

Fig. 2 is structure mechanics analysis schematic diagram under another angle of tire in the prior art；

Fig. 3 is the structural representation of air-free tyre in the prior art；

Fig. 4 is axonometric drawing of the present utility model；

Fig. 5 is front view of the present utility model；

Fig. 6 is the top view of Fig. 5；

Fig. 7 is the A-A sectional views of Fig. 5；

Fig. 8 is the B-B sectional views of Fig. 6.

Description of reference numerals：

In Fig. 1-Fig. 3：100- tread rubber layers, 200- belts, 300- sidewalls, 400- wheels, 500- rubber treads, 600- spokes, 700- outer side bands, 800- inner band；

In Fig. 4-Fig. 8：1- rubber treads, 2- spokes, 21- spokes outer ring, 211- inner sides straightway, 212- both sides straight line Section, 213- outer arcs section, 22- spoke centre circles, 23- spoke inner rings, the outer spokes of 24-, spoke in 25-.

Specific embodiment

Embodiment below with reference to Description of Drawings is exemplary, is only used for explaining the utility model, and can not be solved It is interpreted as to limitation of the present utility model.

Embodiment of the present utility model：As shown in Fig. 4, Fig. 5, Fig. 6 and Fig. 8, a kind of air-free tyre, including rubber tread 1 With spoke 2, rubber tread 1 is sleeved on spoke 2, and spoke 2 includes spoke outer ring 21, spoke centre circle 22 and spoke inner ring 23, wheel Spoke outer ring 21 is fixedly connected by outer spoke 24 with spoke centre circle 22, and spoke centre circle 22 is consolidated by interior spoke 25 with spoke inner ring 23 Fixed connection.The median plane of outer spoke 24 and interior spoke 25 in same radial position at grade, and intersects at spoke Circle 22.

Specifically, when tire is subject to radial forces, power is directly delivered to interior spoke 25 from outer spoke 24, then is delivered to Spoke inner ring 23；When vehicle is braked or is started, wheel is acted on by tangential force, and the tangential force of outer spoke 24 is by spoke Circle 22 is delivered to interior spoke 25, and is delivered to the outer spoke and interior spoke of surrounding in time, and the stress for producing tangential force disperses, and subtracts The stress of small each spoke, improves reliability and the life-span of spoke, meanwhile, spoke centre circle 22 can greatly improve rotational stiffness K_t, Improve the startability and braking of vehicle.

Further, as shown in fig. 7, the radial section of spoke outer ring 21 is by symmetrical straight in inner side straightway 211, both sides two Line segment 212 and outer arc section 213 are constituted, and outer arc section 213 forms spoke outer ring 21 after the axis rotation of air-free tyre Outer surface, inner side straightway 211 forms the inner surface of spoke outer ring 21, both sides straightway after the axis rotation of air-free tyre 212 two sides that spoke outer ring 21 is formed after the axis rotation of air-free tyre.Spoke centre circle 22 and spoke inner ring 23 it is interior Outer surface is the face of cylinder.When tire interface ground and stress, the inner side straightway at the ground connection of spoke outer ring 21 is reformed into Raised curve, is easy to discharge in water and other foreign matters.

Embodiment of the present utility model additionally provides a kind of automobile, including tire, and the tire is above-mentioned air-free tyre. Because the air-free tyre has above-mentioned technique effect, the automobile comprising the air-free tyre should also have identical technique effect.

Construction of the present utility model, feature and action effect is described in detail according to the embodiment shown in schema above, with Upper described is only preferred embodiment of the present utility model, but the utility model is not to limit practical range shown in drawing, it is every according to According to the made change of conception of the present utility model, or the Equivalent embodiments of equivalent variations are revised as, still without departing from specification and figure Show covered it is spiritual when, all should be in protection domain of the present utility model.

Claims (4)

1. a kind of air-free tyre, including rubber tread (1) and spoke (2), the rubber tread (1) are sleeved on the spoke (2) On, it is characterised in that：The spoke (2) includes spoke outer ring (21), spoke centre circle (22) and spoke inner ring (23), the spoke Outer ring (21) is fixedly connected by outer spoke (24) with the spoke centre circle (22), and the spoke centre circle (22) is by interior spoke (25) it is fixedly connected with the spoke inner ring (23)；Described outer spoke (24) and the interior spoke (25) in same radial position Median plane at grade, and intersect at the spoke centre circle (22).

2. air-free tyre according to claim 1, it is characterised in that：The radial section of the spoke outer ring (21) is by inner side The symmetrical straightway (212) in straightway (211), both sides two and outer arc section (213) composition, the outer arc section (213) outer surface of the spoke outer ring (21), the inner side straightway are formed after the axis rotation of the air-free tyre (211) inner surface of the spoke outer ring (21), the both sides straightway are formed after the axis rotation of the air-free tyre (212) two sides of the spoke outer ring (21) are formed after the axis rotation of the air-free tyre.

3. air-free tyre according to claim 1, it is characterised in that：The spoke centre circle (22) and the spoke inner ring (23) surfaces externally and internally is the face of cylinder.

4. a kind of automobile, including tire, it is characterised in that：The tire be in claim 1-3 described in any one without gas Tire.