CN206306740U - Non-inflatable tyre - Google Patents

Abstract

The utility model discloses a kind of non-inflatable tyre, including the rubber tread set gradually along tire radial direction ecto-entad, vulcanize integral base rubber with rubber tread, and the elastic support played a supportive role to rubber tread, elastic support includes the outer bearing ring with base portion glue laminating, the interior bearing ring being in contact with wheel rim, and the midfoot support body between outer bearing ring and interior bearing ring, midfoot support body includes the first supporting construction being uniformly arranged along outer bearing ring ring body internal circumferential, and the first axially extending bore being uniformly arranged with the first supporting construction interval.It is using the beneficial effects of the utility model：Solve the problems, such as to have a flat tire, tire patching and blow out, while non-inflatable tyre has good ground connection performance and handling stability energy.

Description

Non-inflatable tyre

Technical field

The utility model belongs to tyre technology, more particularly to it is a kind of be adapted to passenger car and new-energy automobile exempt from fill Air filled tyre.

Background technology

With widely using for new-energy automobile, the security of new-energy automobile tire, comfortableness, energy consumption and wearability are received To the great attention of automobile production manufacturer.

At present, the tire being currently in use, major part is all pneumatic tire, and pneumatic tire utilizes the height of inner pressure of tire contracting air The load of vehicle is pressed, with good riding comfort.But pneumatic tire there is also very big safe short slab-easily race Gas gas leakage, this phenomenon can cause tire tread sharp wear or irregular wear, intolerant to puncture, or even causes and blow out, and influence Vehicle driving safety.Existing non-inflatable tyre uses spoke structure long, and fatigue resistance requirement of the structure to material is very high, and And its vibration noise problem is difficult to overcome, durability and comfortableness are restricted.

Therefore, the non-inflatable tyre for developing a kind of gas leakage that can solve the problem that pneumatic tire, tire patching and problem of blowing out turns into wheel An urgent demand of tire technical field.

Utility model content

There is gas leakage, tire patching and the technical problem blown out in the utility model, propose a kind of new for above-mentioned pneumatic tire The non-inflatable tyre of supporting body structure.

In order to achieve the above object, the technical solution adopted in the utility model is：

A kind of non-inflatable tyre, including the rubber tread set gradually along tire radial direction ecto-entad, with rubber tread sulphur The base rubber of one, and the elastic support played a supportive role to rubber tread are melted into, elastic support includes and base rubber The outer bearing ring of laminating, the interior bearing ring being in contact with wheel rim, and the middle part branch between outer bearing ring and interior bearing ring Support body, midfoot support body includes the first supporting construction for being uniformly arranged along outer bearing ring ring body internal circumferential, and with first The first axially extending bore that support structure interval is uniformly arranged.

Preferably, the axial cross section of the first supporting construction is shaped as circular, multi-section circular arc shape or side number is more than or equal to 8 Polygonized structure one of which, the first axially extending bore be sequentially connected with semicircle, straight line and circular arc composition through hole.

Preferably, being evenly arranged with the second axially extending bore along the exterior circumferential of interior bearing ring.

Preferably, midfoot support body also includes second be arranged in order to the second axially extending bore from the first supporting construction Support structure and the 3rd supporting construction.

Preferably, the second supporting construction is one layer, the 3rd supporting construction is one or two layer, the second supporting construction and the 3rd The axial cross section of supporting construction is polygon of the circular or side number more than or equal to 8.

Preferably, being provided with the 3rd axially extending bore between the manhole of the second supporting construction and the 3rd supporting construction.

Preferably, being connected with the consistent hole wall of circumferential thickness, hole wall between the first supporting construction and the second supporting construction Radial centre lines and the line of centres between the first supporting construction through hole adjacent with the hole wall, the second supporting construction through hole formed 0 ° -35.5 ° of angle.

Preferably, the axial cross section that outer bearing ring outside is provided with sensing tire rotor shaft direction is shaped as inverted "convex" shape Or first draw-in groove of indent " ten " font, it is provided with the axle corresponding with the first draw-in groove with outer pressure-bearing ring combined face in base rubber To the second draw-in groove that section is positive "convex" shaped or evagination " ten " font, the first draw-in groove and the second draw-in groove are circumferential equidistantly along tire Distribution.

Preferably, base rubber top arc is set to two sections low or three sections of tangent arcs of middle part two ends high.

Preferably, the top arc of rubber tread circumference section to be set to low two sections or three sections in middle part two ends high tangent Arc structure, elastic support is formed as tire shoulder inclined-plane, tire shoulder inclined-plane and the water where tire running axle with rubber tread joint The axially inclined angle formed between plane is 45 ° -75 °.

Compared with prior art, advantage of the present utility model and good effect are：

(1) non-inflatable tyre of the present utility model, is provided with elastic support, it is not necessary to tyre inflating, solves wheel Tyre air leakage, tire patching and the problem blown out, while being circumferentially evenly arranged with the first supporting construction at the outer bearing ring of tire, contribute to Tyre contact pressure is uniformly delivered to midfoot support body, makes ground connection footprint shape excellent, ground contact pressure distribution is uniform, has Good ground connection performance.

(2) non-inflatable tyre of the present utility model, in tire the first supporting construction the first axially extending bore of interval setting, not only Can mitigate tire weight, and enhance the heat-sinking capability of tire, improve Life of Tyre.

(3) non-inflatable tyre of the present utility model, midfoot support body includes second and the 3rd supporting construction, and second Squeegee action is concentrated on the second supporting construction by the circular hole size of support structure more than the circular hole size of the 3rd supporting construction, is subtracted High speed flexion deformation heating of few supporter during tire running, while contribute to elastic support resilience to recover, Improve shock-absorbing capacity.

(4) non-inflatable tyre of the present utility model, the mode assembled using mechanical draw-in groove is flexibly supporting external bearing ring Base rubber junction is provided with mechanical draw-in groove, tyre surface can be made to be mounted on elastic support with base rubber composite members, strengthen Fit ability of the base rubber with elastic support, elastic support is produced with base rubber when preventing tire from travelling at a relatively high speed Delamination.

(5) non-inflatable tyre of the present utility model, top arc is using middle part two ends high low two sections or three sections of tangent circles Arc is designed, and tire can be made to be grounded impression and be presented oval or square, reduces the abrasion of tyre surface.

(6) non-inflatable tyre of the present utility model, the inclination angle that tire shoulder inclined-plane is formed with horizontal plane where tire running axle It is 45 ° -75 ° to spend, and makes the load concentration that tire flexibility supporter is transmitted to rubber tread middle part, helps to improve ground connection performance.

Brief description of the drawings

Fig. 1 is agent structure front view of the present utility model；

Fig. 2 is single-unit of the present utility model away from isometric stereogram；

Fig. 3 is draw-in groove first embodiment isometric stereogram of the present utility model；

Fig. 4 is draw-in groove second embodiment isometric stereogram of the present utility model；

Fig. 5 is base rubber top surface circular arc schematic diagram of the present utility model.

Above in each figure：1st, rubber tread；11st, tire shoulder inclined-plane；2nd, base rubber；3rd, elastic support；31st, outer bearing ring； 311st, the first draw-in groove；312nd, the second draw-in groove；32nd, interior bearing ring；33rd, midfoot support body；331st, the first supporting construction；332nd, second Supporting construction；333rd, the 3rd supporting construction；334th, the first axially extending bore；335th, the second axially extending bore；336th, the 3rd axially extending bore； 337th, hole wall.

Specific embodiment

Below, the utility model is specifically described by exemplary implementation method.It should be appreciated, however, that not having In the case of being further discussed below, element, structure and features in an implementation method can also be advantageously incorporated into other implementations In mode.

In description of the present utility model, it is necessary to explanation, term " interior ", " outward ", " on ", D score, etc. instruction side Position or position relationship are, based on the position relationship shown in accompanying drawing 1, to be for only for ease of description the utility model and simplify description, and Be not indicate or imply meaning device or element must have specific orientation, with specific azimuth configuration and operation, therefore It is not intended that to limitation of the present utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, without It is understood that to indicate or implying relative importance.

Referring to Fig. 1, Fig. 1 is agent structure front view of the present utility model.As shown in figure 1, a kind of non-inflatable tyre, including Along the rubber tread 1 that tire radial direction ecto-entad sets gradually, integral base rubber 2 is vulcanized with rubber tread 1, and to rubber The elastic support 3 that glue tyre surface 1 plays a supportive role.Elastic support 3 includes the outer bearing ring 31 fitted with base rubber 2, with wheel The interior bearing ring 32 that rim is in contact, and the midfoot support body 33 between outer bearing ring 31 and interior bearing ring 32, middle part branch Support body 33 includes the first supporting construction 331 being uniformly arranged along the ring body internal circumferential of outer bearing ring 31, and is tied with the first support Structure 331 is spaced the first axially extending bore 334 being uniformly arranged.Non-inflatable tyre of the present utility model, it is not necessary to tyre inflating, solution Determined have a flat tire, tire patching and the problem blown out, while being evenly arranged with first in the outer ring body inner circumferential of bearing ring 31 of tire Supporting construction 331, helps that tyre contact pressure is uniformly delivered to midfoot support body 33, tire is grounded footprint shape excellent Good, ground contact pressure distribution both ensure that non-inflatable tyre possessed the bearing capacity of radial than more uniform, and tire is met again Requirement in terms of handling safety and comfortableness.

Be to improve tire ground connection performance, the axial cross section of the first supporting construction 331 be shaped as circular, multi-section circular arc shape or The one of which of polygonized structure of the side number more than or equal to 8, the first axially extending bore 334 is the semicircle being sequentially connected with, straight line and The through hole of circular arc composition, so as to ensure that tyre contact pressure can uniformly be delivered to midfoot support body, solves tire and connects The problem of ground pressure skewness.

Further, it is evenly arranged with by semicircle along the ring body exterior circumferential of interior bearing ring 32, straight line and circular arc composition Second axially extending bore 335, it is ensured that tyre contact pressure can uniformly be transferred to tire centerline.

With continued reference to Fig. 1, the midfoot support body 33 of non-inflatable tyre is also included from the first supporting construction 331 to the second axial direction The second supporting construction 332 and the 3rd supporting construction 333 that through hole 335 is arranged in order.Wherein, the second supporting construction 332 is one layer, 3rd supporting construction 333 is one or two layer, the axial cross section of the second supporting construction 332 and the 3rd supporting construction 333 for circular or Person side number more than or equal to 8 polygon, while the bore inner diameter size of the second supporting construction 332 to the 3rd supporting construction 333 by It is decrescence small, squeegee action is concentrated on into the second layer, reduce high speed variable hair of the elastic support 3 during tire running Heat, enhances Life of Tyre.Non-inflatable tyre of the present utility model when load is born, the deformation of the first supporting construction 331 Amount is smaller, and the second supporting construction 332 to the deformation quantity of the 3rd supporting construction 333 is sequentially reduced, but its radial deformation rate is close, and has Help the recovery of the resilience of elastic support 3, improve tyre buffering performance.

In order to mitigate tire weight, it is provided between the second supporting construction 332 and the manhole of the 3rd supporting construction 333 3rd axially extending bore 336, the 3rd axially extending bore is the through hole being made up of semicircle, straight line and arc, the setting of the 3rd axially extending bore 336 The heat-sinking capability of tire is not only increased, and uniform semi arch through-hole structure makes tyre surface be grounded stress with circular support structure Than more uniform, tire ground connection performance is further enhancing.

Referring to Fig. 2, Fig. 2 is single-unit of the present utility model away from isometric stereogram.As shown in Fig. 2 the first supporting construction 331 Be connected with the consistent hole wall 337 of circumferential thickness between the second supporting construction 332, the radial centre lines of hole wall 337 and with the hole Line of centres between the adjacent through hole of the first supporting construction 331 of wall 337, the through hole of the second supporting construction 332 forms 0 ° -35.5 ° Angle, so as to the radial load that ensure that tire is uniformly transferred to tire centerline, prevents squeegee action, extends the tire used longevity Life.

There is delamination in elastic support 3 and base rubber 2 when (60km/h-85km/h) is travelled at a relatively high speed to prevent tire Phenomenon, in addition to when base rubber 2 and the binding site of elastic support 3 are in assembling using the adhesive special for possessing high viscosity, The outside of outer bearing ring 31 is provided with the first draw-in groove 311 for pointing to tire rotor shaft direction, in base rubber 2 and the faying face of outer bearing ring 31 Place is provided with second draw-in groove 312 corresponding with the first draw-in groove 311, and the first draw-in groove 311 and the second draw-in groove 312 are circumferential etc. along tire Spacing is distributed, and the first draw-in groove 311 can be such that rubber tread 1 is mounted to the composite members of base rubber 2 with the tight combination of the second draw-in groove 312 On elastic support 3, the ability of fitting of base rubber 2 and elastic support 3 is enhanced.

Referring to Fig. 3, Fig. 3 is draw-in groove first embodiment isometric stereogram of the present utility model, as shown in figure 3, first Draw-in groove 311 is the structure that axial cross section is shaped as inverted "convex" shape, and the second draw-in groove 312 used cooperatively with the first draw-in groove 311 is Axial cross section is shaped as the structure of positive "convex" shaped.

Referring to Fig. 4, Fig. 4 is draw-in groove second embodiment isometric stereogram of the present utility model, as shown in figure 4, first Draw-in groove 311 is the structure that axial cross section is shaped as indent " ten " font, the second draw-in groove 312 used cooperatively with first structure 311 It is structure that axial cross section is shaped as evagination " ten " font.

It is understood that the draw-in groove used in the utility model is not limited to above-mentioned cited inverted "convex" shape Or indent " ten " character form structure, can also be other suitable draw-in grooves well-known to those skilled in the art.

It is enhancing tire integral ground performance, the top arc of base rubber 2 is set to low two sections or three sections in middle part two ends high Tangent arc, while increased the bond area of base rubber and tyre surface.Referring to Fig. 5, Fig. 5 justifies for base rubber top surface of the present utility model Arc schematic diagram.As shown in figure 5, when base rubber top surface circular arc is designed using two sections of tangent arcs, i.e., circular arc top surface is by arc AB, arc BCD and arc DE are constituted, and wherein arc AB is tangent with arc BCD, and arc BCD is tangent with arc DE, and arc AB and arc DE arc length and radius are all identical, Arcuate midway point C is compared with ends A and E 1mm-3mm high.

The top arc of rubber tread 1 be set to two sections or three sections that middle part two ends high are low, 2mm-5mm treads are high it is tangent Circular arc, can make tire be grounded impression and be presented oval or square, help to reduce the abrasion of rubber tread 1.The top of rubber tread 1 The structure of circular arc refers to Fig. 5.

With continued reference to Fig. 2, as shown in Figure 2, elastic support 3 is formed with tire shoulder inclined-plane 11 with the intermediate location of rubber tread 1, Tire shoulder inclined-plane 11 is formed with axial inclination with the horizontal plane where tire running axle.Axial inclination is too small, is unfavorable for resilient support The power at the edge of body 3 easily causes the impression of rubber tread 1 and is being axially formed spindle shape to the transmission of the middle part of rubber tread 1；If axle Excessive to inclination angle, the ground contact load of tire shoulder inclined-plane 11 is excessive, easily causes tire shoulder deformity abrasion.In the present embodiment, by tire shoulder inclined-plane 11 axial inclination is set to 45 ° -75 °, and the load of the transmission of elastic support 3 is to concentrating on rubber tread 1 during rubber tread 1 Middle part, so as to improve ground connection performance.

The elastic support 3 of non-inflatable tyre of the present utility model is using with high intensity, high resiliency, the low life of resistance to flexion Hot polymerization engineering material (such as hot polymerization type polyurethane or high-strength resin) single injection-molded, simple production process, it is to avoid common The problem that radial manufacturing process is complicated, process control is difficult.The thermoplastic engineering plastic proportion that supporter is used simultaneously is small, Recoverable, can effectively reduce tire quality, reduce production cost, reduce oil consumption, more environmentally-friendly energy-conservation.

Claims (10)

1. a kind of non-inflatable tyre, including the rubber tread (1) set gradually along tire radial direction ecto-entad, with rubber tread (1) integral base rubber (2), and the elastic support (3) played a supportive role to rubber tread (1), resilient support are vulcanized Body (3) includes the outer bearing ring (31) fitted with base rubber (2), the interior bearing ring (32) being in contact with wheel rim, and positioned at outer Midfoot support body (33) between bearing ring (31) and interior bearing ring (32), it is characterised in that：Midfoot support body (33) is including edge The first supporting construction (331) that outer bearing ring (31) ring body internal circumferential is uniformly arranged, and between the first supporting construction (331) Every the first axially extending bore (334) being uniformly arranged.

2. non-inflatable tyre according to claim 1, it is characterised in that：The axial cross section shape of the first supporting construction (331) Shape is the one of which of the circular polygonized structure of multi-section circular arc shape or side number more than or equal to 8, the first axially extending bore (334) For the through hole that the semicircle, straight line and the circular arc that are sequentially connected with are constituted.

3. non-inflatable tyre according to claim 1 and 2, it is characterised in that：Exterior circumferential along interior bearing ring (32) is equal It is even to be provided with the second axially extending bore (335).

4. non-inflatable tyre according to claim 3, it is characterised in that：Midfoot support body (33) is also included from the first support The second supporting construction (332) and the 3rd supporting construction (333) that structure (331) is arranged in order to the second axially extending bore (335).

5. non-inflatable tyre according to claim 4, it is characterised in that：Second supporting construction (332) is one layer, the 3rd Support structure (333) is one or two layer, the axial cross section of the second supporting construction (332) and the 3rd supporting construction (333) for circular or Polygon of the person side number more than or equal to 8.

6. non-inflatable tyre according to claim 5, it is characterised in that：Second supporting construction (332) and the 3rd support knot The 3rd axially extending bore (336) is provided between the polygonal through hole of circle or side number more than or equal to 8 of structure (333).

7. the non-inflatable tyre according to claim any one of 4-6, it is characterised in that：First supporting construction (331) and the Be connected with the consistent hole wall of circumferential thickness (337) between two supporting constructions (332), the radial centre lines of hole wall (337) and with this Line of centres between adjacent the first supporting construction (331) through hole of hole wall (337), the second supporting construction (332) through hole formed 0 °- 35.5 ° of angle.

8. non-inflatable tyre according to claim 1, it is characterised in that：Outer bearing ring (31) outside is provided with sensing tire The axial cross section of rotor shaft direction is shaped as first draw-in groove (311) of inverted "convex" shape or indent " ten " font, base rubber (2) with The axial cross section corresponding with the first draw-in groove (311) is provided with outer bearing ring (31) faying face for positive "convex" shaped or evagination Second draw-in groove (312) of " ten " font, the first draw-in groove (311) and the second draw-in groove (312) are along tire circumference equidistantly distributed.

9. non-inflatable tyre according to claim 1, it is characterised in that：It is high that base rubber (2) top arc is set to middle part Two ends low two sections or three sections of tangent arcs.

10. non-inflatable tyre according to claim 1, it is characterised in that：The top arc of rubber tread (1) circumference section Two sections or three sections low tangent arc structures of middle part two ends high are set to, elastic support (3) is formed with rubber tread (1) joint It is tire shoulder inclined-plane (11) that the axially inclined angle formed between the horizontal plane where tire shoulder inclined-plane (11) and tire running axle is 45°-75°。