CN110561978A - High-durability inflation-free damping anti-bump tire - Google Patents
High-durability inflation-free damping anti-bump tire Download PDFInfo
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- CN110561978A CN110561978A CN201910963950.7A CN201910963950A CN110561978A CN 110561978 A CN110561978 A CN 110561978A CN 201910963950 A CN201910963950 A CN 201910963950A CN 110561978 A CN110561978 A CN 110561978A
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- 238000013016 damping Methods 0.000 title description 30
- 230000035939 shock Effects 0.000 claims abstract description 24
- 230000007704 transition Effects 0.000 claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims description 45
- 238000010521 absorption reaction Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 238000005096 rolling process Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 230000035882 stress Effects 0.000 description 21
- 230000000694 effects Effects 0.000 description 19
- 230000003139 buffering effect Effects 0.000 description 17
- 239000007787 solid Substances 0.000 description 15
- 210000003205 muscle Anatomy 0.000 description 13
- 230000032683 aging Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 238000000151 deposition Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
- 238000004073 vulcanization Methods 0.000 description 1
- 239000010920 waste tyre Substances 0.000 description 1
Classifications
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- 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
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
Abstract
The invention discloses a high-durability inflation-free shock-absorption anti-bumping tire, and belongs to the field of tires. The tyre comprises a tyre body, wherein an annular groove is formed in the inner ring surface of the tyre body along the circumferential direction; the wall surface of the groove is protruded towards the direction of the inner ring surface to form a convex rib; the wall surface of the groove is a smooth curved surface; the thickness of the convex rib is gradually reduced from the wall surface of the groove to the inner ring surface; the intersecting surface of the convex rib and the groove is a smooth transition curved surface; the convex ribs are uniformly distributed in the grooves. The groove is formed in the inner ring surface of the tire body, so that the weight of the tire body is reduced, the manufacturing cost of the tire body is reduced, a cavity structure which is not easy to damage is formed in the tire body, the shock is effectively reduced, the durability of the tire body is high, the resilience recovery of the groove structure is accelerated when the tire body is impacted by arranging the convex ribs on the wall surface of the groove, the softening and deformation degree of the tire body in a hot environment is reduced, the rolling resistance is reduced, and the tire has the advantages of simple structure, reasonable design and easiness in manufacturing.
Description
Technical Field
The invention belongs to the field of tires, and particularly relates to a high-durability inflation-free shock-absorption anti-bump tire.
background
With the prevalence of the shared bicycle, the development of the non-inflatable solid tire is driven, and the tire is popular in the shared bicycle industry with the advantages of no need of regular inflation, prevention of sharp objects from puncturing waste tire bodies, explosion prevention and the like, but the solid tire also has the following defects: the weight of the tire is small, and the weight of the solid tire under the same model is larger than that of the tire with the traditional inner tube; the elasticity is poor, and the shock absorption is lower than that of the traditional inner tube tire with the same model; the rolling resistance is large, particularly in summer, after a solid tire becomes soft, the tire landing area is increased, and the resistance is greatly increased during riding.
At present, domestic manufacturers make many different improvements aiming at the defects of solid tires, and the main directions are as follows: 1) the material is changed, so that the weight, the shape stability and the like of the formed tire body are improved; 2) structural modifications are made to improve the weight, shock absorption, etc. of the carcass. The relatively common improvement is like the solid child of the hollow out construction that "Mobai bicycle" used, this kind of hollow out solid child has alleviateed solid child weight, and made the solid child have certain shock attenuation nature, but the inside water or impurity of depositing easily of hollow out construction, throw away in the driving and cause danger and hollow out construction normal water, impurity etc. freeze in winter and cause elasticity to weaken, weight increase, sideslip etc. because of long-term accumulation impurity, and hollow out construction department on the matrix easily becomes the starting point of matrix fatigue damage, make the durability greatly reduced of solid matrix.
Through retrieval, the Chinese patent publication number: CN 109803837 a, published: 24/2019, 5/24, an airless tire is disclosed, comprising a hub having a plurality of radial spokes and an opening configured to receive a wheel axle cushioning unit located radially outward of the hub, the cushioning unit comprising: an inner rim including a radially inner surface engaged with the hub; an outer rim including a radially outer surface; a plurality of curved compression spokes configured to bend in response to radial compression of a tire, each curved compression spoke extending between the inner rim and the outer rim; and a plurality of flex holes, each flex hole extending between the inner edge and the outer edge; wherein each of the curved compression spokes is circumferentially defined by at least two of the curved bores; a frame located radially outward of the cushion unit, the frame engaging a radially outer surface of an outer rim of the cushion unit; and a tread radially outward of the frame, the tread secured to the frame and configured to contact the surface. This application forms a plurality of crooked holes in matrix side to alleviate solid matrix weight, reach the shock attenuation, reduce and roll the effect of hindering, nevertheless easily pile up debris in the crooked pore structure of this kind of matrix, thereby increase, the equilibrium reduces in the tire weight of using a period of time, and debris are piled up the structure that probably destroys the matrix, cause the tire life to reduce.
Disclosure of Invention
1. Problems to be solved
Aiming at the problems of high rolling resistance, poor shock absorption and insufficient durability of a solid tire in the prior art, the invention provides the high-durability inflation-free shock-absorption anti-pitch tire.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
a high-durability inflation-free shock-absorption anti-bumping tire comprises a tire body, wherein an inner ring surface of the tire body is circumferentially provided with an annular groove; and the wall surface of the groove protrudes towards the direction of the inner ring surface to form a convex rib.
The groove structure reduces the dead weight of the tire body, reduces rolling resistance and saves the manufacturing cost of the tire body, the groove structure faces the inner ring surface, the groove structure is protected in the rim after the rim is assembled on the tire body, so that the problem of influence of sundries accumulation is avoided, the groove part can not become the starting point of aging and damage of the tire body, the effective service life of the tire body is ensured, the durability is greatly increased, the groove structure and the tire body form a cavity structure, the tire body part from the tire surface to the groove is deformed and recovered when bumping, the impact force is effectively buffered, and the damping effect is achieved, furthermore, a plurality of convex ribs are convexly arranged on the wall surface of the groove structure, the size of the convex ribs is not more than that of the inner ring surface and are formed in the groove structure, and the solid tire body has softening property due to preheating, under the hot weather, the softening deformation leads to the tread area increase of touchdown, in-process that traveles rolls and hinders meeting greatly increased, protruding muscle structure through this scheme, protruding muscle is equivalent to the strengthening rib, strengthen the structural shape of recess, on the one hand, when the vibration transmits, under the support of protruding muscle, groove structure can kick-back as early as possible, make the matrix reconversion as early as possible, the stationarity when increasing to travel, on the one hand, protruding muscle plays the support reinforcing effect to the shape of whole matrix, place the deformation degree when the matrix is heated and softened as far as possible, reduce and roll and hinder.
Further, the wall surface of the groove is a smooth curved surface.
the groove structure of smooth surface is more even to the dispersion effect of impact force, and the position that no stress is more concentrated on the smooth surface, compare in the recess that intersects the wall and form, the intersection part stress of wall is more concentrated, when the matrix uses, fatigue damage more easily appears in stress concentration department to the life-span that leads to whole matrix receives the influence, the groove structure of the smooth curved surface of this scheme, can be with its homodisperse when the impact force transmits, the shock attenuation effect is better, and effective life is more of a specified duration.
Further, the thickness of the rib is gradually reduced from the wall surface of the groove to the inner ring surface.
The structure of the convex rib is arranged to be from the wall surface of the groove to the inner ring surface of the groove is gradually reduced, so that when the tire body is molded, the demolding of the middle mold core for molding the groove and the convex rib structure is easier, the molding rate of the tire body is higher, and the production cost is further reduced.
furthermore, the intersecting surface of the convex rib and the groove is a smooth transitional curved surface.
Through with the protruding muscle with the crossing face of recess is smooth transition's curved surface, prevents that the crossing department of protruding muscle and recess from receiving concentrated stress emergence ageing damage, prolongs the life of recess and protruding muscle structure.
Further, the convex ribs are uniformly distributed in the grooves.
Through with protruding muscle evenly distributed in the recess for the equilibrium of matrix obtains guaranteeing, and the stability of riding is strong, further increases the experience of riding.
Furthermore, the convex rib is a sheet convex rib which is a sheet structure formed by protruding towards the direction of the inner ring surface on the wall surface of the groove.
The convex rib of the sheet structure is easy to form when the tire body is machined, the mold core used for forming the convex rib and the groove is easy to demould, the formed sheet structure is small in size and light in weight, rolling resistance is reduced, meanwhile, the groove cavity structure of the tire body can be effectively used for providing shape supporting effect, and timeliness of resilience after the tire body is stressed is guaranteed.
Furthermore, the convex ribs are cross convex ribs which are cross structures formed by protruding towards the direction of the inner ring surface on the wall surface of the groove.
The crossing convex rib also carries out the outrigger to the matrix part structure of side wall and tire shoulder when carrying out the outrigger to tread deformation, and the structure buffering that the crossing convex rib and groove connection formed when tire shoulder or side wall transmit the impact force impels the matrix to recover rapidly when inhaling the shake, further promotes the stability when the matrix of this application uses.
Furthermore, the intersection of the crossed convex ribs is a smooth transition curved surface.
The cross connection department of the cross convex rib is when the edge type is transited, under the service environment that the tire shoulder sidewall receives the impact force for a long time, the cross connection department is easy to crack, the cross convex rib structure is damaged and loses efficacy for a long time, meanwhile, the crack is easy to spread to the groove wall surface, the damage of the tire body is accelerated, the service life of the tire body is influenced, the cross convex rib structure cross connection department of the scheme is in smooth transition, the buffering and vibration absorption effects of the impact force transmitted from the tire shoulder sidewall are better, and the cross connection department is free of stress concentration points, the damage speed of the cross convex rib structure is greatly reduced, the service life of the tire body with the cross convex rib structure is prolonged, meanwhile, the convex rib structure in smooth transition of the cross connection department is when the molding, the mold core is easy to demold, and.
furthermore, a half-sac cavity structure is formed between the wall surface of the convex rib and the wall surface of the groove.
The semi-spherical cavity structure in the scheme is a semi-spherical cavity structure, a semi-spherical recess with the shape like a cavity is formed on the inner circle surface of the tire body through the wall surface of the convex rib and the wall surface of the groove, the semi-sphere comprises a semi-sphere shape and a semi-ellipsoid shape, the structure formed between the convex rib and the groove has excellent buffering and damping performance, when impact force transmitted from a tire tread passes through the tire body to the wall surface of the semi-spherical cavity structure, the impact force is dispersed and released by the wall surface with smooth and uniform curvature, and the impact force is greatly consumed when the impact force is transmitted to the inner circle surface of the tire body; meanwhile, the spherical wall surface structure avoids the sharp structure and the rigid constraint part at the joint of the convex rib and the groove, which are easy to generate stress concentration points, so that the service life of the groove and the convex rib structure on the inner ring surface of the tire body is longer.
Furthermore, half bag cavity structure evenly sets up on the internal circle face of child along circumference, half bag cavity structure is provided with the round at least.
in order to keep the homogeneity of the damping buffering effect in the matrix use, guarantee the stability of riding, the even arrangement of hemispherical bag cavity structure in this scheme is on the internal circle face of matrix, and encircle to arrange at least round along the circumference of matrix, the high durable shock attenuation of exempting from to aerify of this scheme is prevented running up the tire and is provided with the hemispherical bag cavity structure of two circles, the quantity that hemispherical bag cavity structure arranged is more, consume the effect better to the buffering of impulsive force, the better the shock attenuation effect, and arrange the hemispherical bag cavity structure of many circles, when the tread transmits the impact force with the road surface contact, the hemispherical bag cavity structure who arranges side by side can share the impact force and cushion, the consumption to the impulsive force energy has been increaseed, and the maximum stress bag that single hemispherical cavity structure received has been reduced, the durability of matrix has further been increased.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the high-durability inflation-free damping anti-peak tire, the groove is formed in the inner ring surface of the tire body, the weight of the tire body is reduced, the manufacturing cost of the tire body is reduced, a cavity structure which is not easy to damage is formed in the tire body, damping is effectively achieved, the durability of the tire body is high, the resilience recovery of the groove structure when the tire body is impacted is accelerated by arranging the convex rib on the wall surface of the groove, the softening and deformation degree of the tire body in a hot environment is reduced, and rolling resistance is reduced;
(2) According to the high-durability inflation-free damping anti-peak tire, the groove is of a smooth curved surface structure, stress concentration points are avoided, impact force can be uniformly dispersed when the impact force is transmitted, the damping effect is better, and the effective service life is longer;
(3) According to the high-durability inflation-free damping anti-peak tire, the structure of the convex rib is gradually reduced from the groove wall surface to the inner ring surface, so that a middle mold core for forming the groove and the convex rib structure is easier to demold when a tire body is formed, the forming rate of the tire body is higher, and the production cost is further reduced;
(4) According to the high-durability inflation-free damping anti-peak tire, the intersecting surface of the convex rib and the groove is a smooth transitional curved surface, so that the intersecting part of the convex rib and the groove is prevented from being aged and damaged by concentrated stress, and the service life of the groove and the convex rib structure is prolonged;
(5) According to the high-durability inflation-free damping anti-peak tire, the convex ribs are uniformly distributed in the grooves, so that the balance degree of the tire body is ensured, the riding stability is high, and the riding experience is further increased;
(6) According to the high-durability inflation-free damping anti-vertex tire, the convex ribs of the sheet structure are easy to mold when the tire body is processed, the mold cores for molding the convex ribs and the grooves are easy to demold, the formed sheet structure is small in size and light in weight, rolling resistance is reduced, meanwhile, the shape supporting effect can be effectively provided for the groove cavity structure of the tire body, and the timeliness of rebounding after the tire body is stressed is guaranteed;
(7) according to the high-durability inflation-free damping anti-peak tire, the crossed convex ribs stably support the deformation of the tire tread and simultaneously stably support the partial structure of the tire body of the tire side and the tire shoulder, and the tire body is rapidly restored while the structure formed by connecting the crossed convex ribs and the grooves buffers and absorbs vibration when impact force is transmitted from the tire shoulder or the tire side, so that the stability of the tire body is further improved when the tire body is used;
(8) According to the high-durability inflation-free damping anti-vertex tire, the cross joint of the cross convex rib structure is in smooth transition, the buffering and vibration absorption effects on the impact force transmitted from the tire shoulder and the tire side are better, the cross joint has no stress concentration point, the damage speed of the cross convex rib structure is greatly reduced, the service life of a tire body of the cross convex rib structure is prolonged, and meanwhile, the smooth transition convex rib structure at the cross joint is easy to demould when being formed, and the yield of the tire body during production is high;
(9) according to the high-durability inflation-free damping anti-vertex tire, the weight of the tire body is reduced by the semi-spherical cavity structure, the material cost for manufacturing the tire body is saved, the semi-spherical cavity structure has excellent damping performance, so that the tire body is more stable when being ridden, the curvature of the wall surface of the semi-spherical cavity structure is smooth and uniform, and the service life of the tire body structure is longer;
(10) according to the high-durability inflation-free damping anti-peak tire, the semi-bag cavity structure is uniformly arranged on the inner ring surface of the tire body, the uniformity of the damping and buffering effect in the use process of the tire body is kept, and the riding stability is ensured; at least one circle of semi-bag cavity structures are arranged around the tire body in the circumferential direction, when impact force is transmitted by the contact of the tire surface and the road surface, the semi-bag cavity structures arranged side by side can share the impact force for buffering, so that the energy consumption of the impact force is increased, the maximum stress borne by a single semi-bag cavity structure is reduced, and the durability of the tire body is further increased;
(11) According to the high-durability inflation-free damping anti-vertex tire, the tire body can be manufactured through one-time mold closing operation through the matching of the upper mold, the middle mold and the lower mold, the manufacturing process of the hollow tire is greatly simplified, the operation is convenient, the production efficiency is high, the tire body formed by the molds is free of splicing and bonding positions, the whole tire body is integrally formed, and the balance degree is high; the upper die and the lower die are provided with mounting grooves on the joint surfaces, so that the middle die core can be accurately positioned and placed each time, the qualification rate of the product for manufacturing the tire body is further improved, and the product quality is ensured;
(12) The invention has simple structure, reasonable design and easy manufacture.
drawings
FIG. 1 is a cross-sectional view of a high durability, inflation-free, impact resistant, anti-peak tire of example 1;
FIG. 2 is a schematic cross-sectional view of the high endurance, inflation-free, cushion-proof, anti-peak tire of example 1;
FIG. 3 is a cross-sectional view of the high endurance, inflation-free, impact resistant, anti-peak tire of examples 3 and 6;
FIG. 4 is a cross-sectional view of a high endurance, inflation-free, impact resistant, anti-peak tire of examples 3 and 6;
FIG. 5 is an enlarged view of A in FIG. 3;
FIG. 6 is an enlarged view of the high durability, inflation-free, cushion-proof tire of example 7 at A;
FIG. 7 is a cross-sectional view of a die set of the present invention;
FIG. 8 is a schematic view of a middle mold core of the present invention;
FIG. 9 is a cross-sectional view of a middle mold core of the present invention;
FIG. 10 is a cross-sectional view of the high endurance, inflation-free, cushion-proof, anti-peak tire of example 9;
FIG. 11 is a cross-sectional view of the high endurance, inflation-free, cushion-proof, anti-peak tire of example 10;
FIG. 12 is an enlarged view of FIG. 10B in example 11;
FIG. 13 is an enlarged view of FIG. 10B in example 11.
in the figure:
1. A carcass; 10. an inner ring surface; 11. a groove; 12. a rib is protruded; 120. a sheet convex rib; 121. crossed convex ribs; 123. a semi-vesicular structure;
2. A die set; 20. an upper die; 200. a cavity; 201. mounting grooves; 21. a middle mold core; 210. a base; 211. a groove die; 212. a rib mold; 22. and (5) a lower die.
Detailed Description
The invention is further described with reference to specific embodiments and the accompanying drawings.
Example 1
as shown in fig. 1 and 2, the high-durability inflation-free shock-absorption anti-bump tire comprises a tire body 1, wherein an inner ring surface 10 of the tire body 1 is provided with an annular groove 11 along the circumferential direction; the wall surface of the groove 11 is convex towards the direction of the inner ring surface 10 to form a convex rib 12.
The improved side-opening tire body structure reduces the weight of the tire body and improves the shock absorption performance, but the side opening is easy to accumulate sundries, the shock absorption effect is gradually lost, the side opening accelerates the aging of the tire body and reduces the effective service life, the high-durability inflation-free shock absorption anti-vertex tire of the embodiment is characterized in that a circle of grooves 11 are annularly arranged on an inner ring surface 10 of the tire body 1 along the circumferential direction, the dead weight of the tire body 1 is reduced by the structure of the grooves 11, the rolling resistance is reduced, the manufacturing cost of the tire body 1 is saved, the groove 11 structure faces the inner ring surface 10, the groove 11 structure is protected in a rim after the tire body 1 is assembled on the rim, so the problem of sundry accumulation influence does not occur, and the groove 11 position cannot become the aging starting point of the tire body 1, therefore, the service life of the tire body 1 is longer than that of the existing damping solid tire body, the durability is higher, a cavity structure is formed in the groove 11 structure and the tire body 1, when bumping, the tire body 1 part from the tire surface to the groove 11 is deformed and recovered, the impact force is effectively buffered, and the damping effect is achieved, furthermore, a plurality of convex ribs 12 are convexly arranged on the wall surface of the groove 11 structure in the embodiment, the size of the convex ribs 12 is not more than that of the inner ring surface 10 and is formed in the groove 11 structure, because the solid tire body 1 has softening property after being preheated, the tread landing area is increased due to the softening deformation in hot weather, the rolling resistance can be greatly increased in the driving process, through the convex rib 12 structure of the embodiment, the convex ribs 12 are equivalent to reinforcing ribs and reinforce the structural shape of the groove 11, on the one hand, when vibration is transmitted, under the support of the convex ribs 12, the groove 11 structure can be rebounded as soon as possible, so that the tire body 1 can be restored as soon as possible, the running stability is improved, on one hand, the convex ribs 12 play a role in supporting and reinforcing the shape of the whole tire body 1, the deformation degree of the tire body 1 when being heated and softened is placed as far as possible, and the rolling resistance is reduced.
the peak tire is prevented in high durable shock attenuation of exempting from to aerify of this embodiment, through set up recess 11 on 1 inner circle face 10 of matrix, reduce matrix 1 self weight, reduce matrix 1 cost of manufacture, and form not fragile cavity structure in matrix 1, effective shock attenuation, through set up protruding muscle 12 on the 11 wall of recess, the resilience of 11 structures of recess resumes when accelerating matrix 1 receives the impact, reduce the degree of matrix 1 softening deformation under the hot environment simultaneously, the resistance of rolling has been reduced.
example 2
As shown in fig. 1 and 2, the high durability inflation-free shock absorption and bump prevention tire of the present embodiment is further improved on the basis of embodiment 1, and the wall surface of the groove 11 is a smooth curved surface.
The recess 11 structure of smooth surface is more even to the dispersion effect of impact force, and the position that no stress is more concentrated on the smooth surface, compares in the recess 11 that the wall forms that intersects, and the intersection part stress of wall is more concentrated, and when matrix 1 used, fatigue damage more easily appears in stress concentration department to the life-span that leads to whole matrix 1 receives the influence, the recess 11 structure of the smooth curved surface of this embodiment, can be with its homodisperse when the impact force transmits, and effective life is more of a specified duration.
Example 3
As shown in fig. 1 and 2, the high durability inflation-free shock-absorbing and bump-preventing tire of the present embodiment is further improved on the basis of embodiments 1 and 2, and the thickness of the rib 12 is gradually reduced from the wall surface of the groove 11 to the inner ring surface 10.
The structure through with protruding muscle 12 sets up to from recess 11 wall extremely the inner circle face 10 reduces gradually for matrix 1 is when the shaping, and the well mold core 21 drawing of patterns for shaping recess 11 and protruding muscle 12 structure is easier, makes matrix 1's shaping rate higher, and manufacturing cost further reduces.
Example 4
As shown in fig. 3 and 4, the high-durability inflation-free shock-absorption and anti-jolt tire of the present embodiment is further improved on the basis of embodiment 3, and the intersecting surface of the rib 12 and the groove 11 is a smoothly-transitional curved surface.
the applicant finds in experiments that, for the rib 12 directly formed on the surface of the groove 11, the wall surface of the groove 11 is a smooth curved surface, and the intersection between the rib 12 and the connecting surface of the groove 11 is an angular transition, as shown in fig. 2, when the tire body 1 of the structure is used for a period of time under bumpy road conditions, the joint between the rib 12 and the groove 11 will crack, and the rib 12 will fall off from the wall surface of the groove 11, even if the tire body 1 integrally formed by the groove 11 and the rib 12 is used for a period of time under bumpy road conditions, the crack will occur, so that the wall surface of the groove 11 structure is no longer smooth, so that the crack on the wall surface is subject to concentrated stress, and is more prone to aging during use and tearing during bumping, and the fallen rib 12 in the groove 11 will affect the balance degree of the tire body 1 during use, and these defects cannot be directly observed outside the tire body 1, hidden danger is buried for the safe use of tire, through the mechanism of analyzing above-mentioned matrix 1 atress damage, this embodiment makes further improvement to matrix 1 structure, the crossing department that recess 11 is connected the face with protruding muscle 12 is the curved surface of smooth transition, in recess 11 structure in matrix 1 under this kind of structure, be the curved surface, no stress concentration stress point, can not only provide the effect of more effectual buffering impact force for matrix 1, and make the recess 11 structure in have easy fatigue damage's point, further increased matrix 1's durability, the effective service life is improved.
Example 5
As shown in fig. 1 and 2, the high endurance, inflation-free, shock-absorbing and anti-bumping tire of the present embodiment is further improved on the basis of embodiments 3 and 4, and the ribs 12 are uniformly distributed in the grooves 11.
Through with protruding muscle 12 evenly distributed in recess 11 for the equilibrium of matrix 1 obtains guaranteeing, and the stability of riding is strong, further increases the experience of riding.
Example 6
As shown in fig. 3, 4 and 5, the high durability, inflation-free, shock-absorbing and anti-jolt tire of the present embodiment is further improved on the basis of embodiment 5, wherein the rib 12 is a sheet rib 120 which is a sheet structure formed by protruding towards the inner ring surface 10 on the wall surface of the groove 11.
The sheet convex rib 120 is of a sheet-shaped structure which is uniformly distributed on the annular groove 11 and is annularly arranged in the groove 11 like a valve, the sheet-shaped convex rib 12 is small in size and light in weight, the weight of the tire body 1 is reduced as much as possible while the function of the convex rib 12 structure is achieved, rolling resistance is reduced, the sheet-shaped convex rib 12 is easy to mold when the tire body 1 is machined, and mold core demolding of the molded convex rib 12 and the groove 11 is facilitated.
Example 7
As shown in fig. 6, the high durability, inflation-free, shock-absorbing and anti-jolt tire of the present embodiment is further improved from embodiment 5 in that the rib 12 is a cross rib 121 which is a cross structure formed by protruding toward the inner ring surface 10 on the wall surface of the groove 11.
The rib 12 structure of this embodiment is a cross-shaped protrusion formed on the wall of the groove 11, each cross rib 121 is uniformly distributed on the wall of the groove 11, when the tire body 1 is used in a bumpy road, in addition to the impact force transmitted from the tire tread 1 contacting with the road surface of the tire body 1, the tire tread 1 can also be subjected to the impact force transmitted from the tire shoulder or the tire side, the impact force transmitted from the tire tread 1 can be easily recovered under the action of the sheet rib 121, the stable operation of the tire body 1 cannot be influenced, the tire shoulder or the tire side is easy to cause dislocation type deformation of the tire body 1, the sheet rib 121 structure cannot rapidly and effectively recover the deformed tire body 1, so that the stability of the tire body 1 in operation is influenced, the cross rib 121 structure of this embodiment stably supports the tire tread deformation and simultaneously stably supports partial structure of the tire body 1 of the tire side and the tire shoulder, when impact force is transmitted from the tire shoulder or the tire side, the crossed convex ribs 121 are connected with the grooves 11 to form a structure, so that the tire body 1 is enabled to be quickly restored while shock absorption is realized, and the stability of the tire body 1 is further improved when the tire body 1 is used.
Example 8
As shown in fig. 6, the high endurance, inflation-free, shock-absorbing and anti-jolt tire of the present embodiment is further improved on the basis of embodiment 7, and the intersection of the intersecting ribs 121 is a smooth transition curved surface.
when the cross connection of the cross convex rib 121 is in the corner type transition, under the use environment that the tire shoulder sidewall receives impact force for a long time, cracks are easy to appear at the cross connection, the structure of the cross convex rib 121 is damaged and fails for a long time, and simultaneously, the cracks are easy to spread to the wall surface of the groove 11, the damage of the tire body 1 is accelerated, the service life of the tire body 1 is influenced, the cross convex rib 121 structure cross connection of the embodiment is in smooth transition, the buffering and vibration absorption effects on the impact force transmitted from the tire shoulder sidewall are better, and the cross connection is free of stress concentration points, the damage speed of the cross convex rib 121 structure is greatly reduced, the service life of the tire body 1 of the cross convex rib 121 structure is prolonged, meanwhile, the convex rib 12 structure in smooth transition at the cross connection is formed, the demolding of a mold core is easy, and the yield of the.
Example 9
As shown in fig. 10, the high durability, inflation-free, shock-absorbing and anti-jolt tire of the present embodiment is further improved on the basis of embodiment 5, and a half-cavity structure 123 is formed between the wall surface of the rib 12 and the wall surface of the groove 11.
the semi-spherical cavity structure 123 of this embodiment is a semi-spherical cavity structure, and a semi-spherical recess shaped like a cavity is formed on the inner circle surface of the tire body 1 through the wall surface of the convex rib 12 and the wall surface of the groove 11, as shown in fig. 10, the semi-sphere comprises a semi-sphere shape and a semi-ellipsoid shape, the structure formed between the convex rib 12 and the groove 11 has excellent buffering and damping performance, when the impact force transmitted from the tire tread passes through the tire body 1 to the wall surface of the semi-spherical cavity structure, the impact force is dispersed and released by the wall surface with smooth and uniform curvature, and the impact force is greatly consumed when the impact force is transmitted to the inner circle surface of the tire body; meanwhile, the spherical wall surface structure avoids the sharp structure and the rigid constraint position at the joint of the convex rib 12 and the groove 11, wherein stress concentration points are easy to appear, so that the service life of the groove 11 and the convex rib 12 structure on the inner circular surface of the tire body 1 is longer.
The hemispherical sac cavity structure of this embodiment has alleviateed matrix 1 weight, practices thrift matrix 1 preparation material cost, and hemispherical sac cavity structure has outstanding buffering shock attenuation performance for matrix 1 is more stable when riding, and hemispherical sac cavity structure wall curvature is smooth even, and matrix 1 structure life is more of a specified duration.
Example 10
as shown in fig. 11, the high-durability inflation-free shock-absorption anti-bump tire of the present embodiment is further improved on the basis of embodiment 9, wherein the half bladder cavity structures 123 are uniformly arranged on the inner ring surface of the tire body 1 along the circumferential direction, and the half bladder cavity structures 123 are at least provided with one circle.
In order to keep the uniformity of the damping and buffering effect in the use process of the tire body 1 and ensure the riding stability, the semi-spherical cavity structure in the embodiment is uniformly arranged on the inner ring surface of the tire body 1, at least one circle of semi-spherical cavity structure is arranged around the circumference of the tire body 1, two circles of semi-spherical cavity structures are arranged on the high-durability inflation-free damping and anti-bumping tire of the embodiment, the more the semi-spherical cavity structures are arranged, the better the buffering and consumption effect on the impact force is, the better the damping effect is, the more circles of semi-spherical cavity structures are arranged, when the tire surface contacts with the road surface, the impact force can be shared by the semi-spherical cavity structures arranged side by side for buffering, the consumption on the impact force energy is increased, the maximum stress on the single semi-spherical cavity structure is reduced, and the durability of the tire body 1.
Example 11
as shown in fig. 12 and 13, the high durability inflation-free shock-absorbing and bump-preventing tire of the present embodiment is further improved on the basis of embodiment 5, and a half-bag structure 123 is formed between the wall surface of the rib 12 and the wall surface of the groove 11.
The semi-bag cavity structure 123 of this embodiment is a multi-pyramid bag cavity structure, and through the wall of the convex rib 12 and the wall of the groove 11, a bag cavity recess shaped like a pyramid is formed on the inner ring surface of the tire body 1, the structures shown in fig. 12 and 13 are respectively a bag cavity of a pentapyramid shape and a bag cavity of a hexagonal pyramid shape, the edge connection part of the semi-bag cavity structure 123 is a smooth transitional curved surface, the structure shape approaches to the semi-spherical bag cavity with the increase of the number of edges of the semi-bag cavity structure 123, and the damping performance and the durability performance approach to the performance of the tire body 1 of the semi-spherical bag cavity structure.
Further, in this embodiment, the half-bladder cavity structures 123 are uniformly arranged on the inner ring surface of the carcass 1 along the circumferential direction, and the half-bladder cavity structures 123 are arranged in at least one circle.
In order to keep the uniformity of the damping and buffering effect of the tire body 1 in the using process and ensure the riding stability, the polygonal-pyramid bag-cavity structure in the embodiment is uniformly arranged on the inner ring surface of the tire body 1 and is circumferentially arranged at least one circle along the circumferential direction of the tire body 1, the more the half bag-cavity structures 123 are arranged, the better the damping and consuming effect on the impact force is, the better the damping effect is, and the more circles of the half bag-cavity structures 123 are arranged, when the tire tread is in contact with the road surface, the half bag-cavity structures 123 arranged side by side can share the impact force for buffering, the consumption on the impact force energy is increased, the maximum stress on the single half bag-cavity structure 123 is reduced, and the durability of the tire body 1 is further increased.
Example 12
as shown in fig. 7, 8 and 9, a mold set for manufacturing a high durability, inflation-free, shock-absorbing and peak-proof tire comprises:
The upper die 20 is provided with a cavity 200 on the joint surface, and the shape of the cavity 200 is matched with that of the half carcass 1;
The middle mold core 21 comprises an annular base 210, and a groove mold 211 and a rib mold 212 which are arranged on the outer annular surface of the base 210, wherein the shape of the groove mold 211 is matched with that of the groove 11, the shape of the rib mold 212 is matched with that of the rib 12, the base 210 is arranged on a joint surface, and the groove mold 211 and the rib mold 212 are arranged in the cavity 200;
And the lower die 22 is matched with the upper die 20 in shape and is symmetrically arranged below the upper die 20.
The injection hole of the embodiment is formed in the side wall of the upper mold 20 and communicated with the cavity 200 on the joint surface of the upper mold 20, the injection hole can also be formed in the side wall of the lower mold 22, after the upper mold 20 and the lower mold 22 are closed, the cavity 200 forms a complete mold cavity in the shape of the tire body 1, the middle mold core 21 is used as a mold core and is arranged between the upper mold and the lower mold, the groove mold 211 and the rib mold 212 of the middle mold core 21 are partially arranged in the cavity 200, and the base 210 is partially arranged outside the cavity 200, so that the middle mold core 21 can be conveniently taken out after the.
in the mold set 2 of this embodiment, when in use, the middle mold core 21 is placed on the mating surface of the lower mold 22, the groove mold 211 and the rib mold 212 are located above the cavity 200, the base 210 is partially placed on the mating surface, the upper mold 20 is closed after the middle mold core 21 is placed, then the rubber material is injected through the injection hole, after the tire body 1 in the cavity is molded by injection, the vulcanization and mold opening are performed, the tire body 1 is removed, and the middle mold core 21 is pulled out, so that the hollow tire body 1 can be obtained.
The mould group 2 of this embodiment, through the cooperation of upper, middle and lower mould, the preparation of the matrix 1 of this application can be accomplished in a compound die operation, has simplified the manufacture craft of hollow tyre greatly, convenient operation, and production efficiency is high, and does not have the concatenation bonding department through the matrix 1 that this mould is constitutive, whole matrix 1 integrated into one piece, and the equilibrium is high.
Furthermore, an installation groove 201 is formed on a mating surface of the middle part of the cavity 200 of the upper mold 20, and the shape of the installation groove 201 matches with the shape of the base 210 of the middle mold core 21.
The mold assembly 2 of this embodiment, on the compound die surface of last mould 20, the mounting groove 201 has been seted up to the base 210 department of placing of well mold core 21, the mounting groove 201 has also been seted up to corresponding position department of bed die 22 is also corresponding, the placing of well mold core 21 before convenient compound die at every turn, well mold core 21 base 210 part blocks on the other bellied compound die surface part of mounting groove 201 just, make well mold core 21 at every turn can pinpoint and place, further improve the qualification rate of making matrix 1 product, guarantee product quality.
The examples described herein are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a high durable shock attenuation of exempting from to aerify anti-jolt tire, includes matrix (1), its characterized in that: an annular groove (11) is formed in the inner ring surface (10) of the tire body (1) along the circumferential direction; and the wall surface of the groove (11) protrudes towards the inner ring surface (10) to form a convex rib (12).
2. A high durability, inflation-free, shock absorbing pitch tire as claimed in claim 1, wherein: the wall surface of the groove (11) is a smooth curved surface.
3. A high endurance, inflation-free, shock-absorbing and bump-preventing tire as claimed in claim 1 or 2, wherein: the thickness of the convex rib (12) is gradually reduced from the wall surface of the groove (11) to the inner ring surface (10).
4. a high durability, inflation-free, shock absorbing pitch tire as claimed in claim 3, wherein: the intersecting surface of the convex rib (12) and the groove (11) is a smooth transitional curved surface.
5. A high durability, inflation-free, shock absorbing pitch tire as claimed in claim 4, wherein: the convex ribs (12) are uniformly distributed in the grooves (11).
6. A high durability, inflation-free, shock absorbing pitch tire as claimed in claim 5, wherein: the convex rib (12) is a sheet convex rib (120) which is a sheet structure formed by protruding towards the direction of the inner ring surface (10) on the wall surface of the groove (11).
7. a high durability, inflation-free, shock absorbing pitch tire as claimed in claim 5, wherein: the convex ribs (12) are crossed convex ribs (121) which are crossed structures formed by protruding towards the direction of the inner ring surface (10) on the wall surface of the groove (11).
8. A high durability, inflation-free, shock absorbing pitch tire as claimed in claim 7, wherein: the intersection of the crossed convex ribs (121) is a smooth transition curved surface.
9. A high endurance, inflation-free, cushion-proof, peak-proof tire as claimed in claim 5, wherein: and a semi-sac cavity structure (123) is formed between the wall surface of the convex rib (12) and the wall surface of the groove (11).
10. A high durability, inflation-free, cushion-resistant, anti-peak tire, as claimed in claim 9, wherein: the semi-bag cavity structure (123) is uniformly arranged on the inner ring surface of the tire body (1) along the circumferential direction, and at least one circle of the semi-bag cavity structure (123) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910963950.7A CN110561978A (en) | 2019-10-11 | 2019-10-11 | High-durability inflation-free damping anti-bump tire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910963950.7A CN110561978A (en) | 2019-10-11 | 2019-10-11 | High-durability inflation-free damping anti-bump tire |
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| CN110561978A true CN110561978A (en) | 2019-12-13 |
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| CN201910963950.7A Pending CN110561978A (en) | 2019-10-11 | 2019-10-11 | High-durability inflation-free damping anti-bump tire |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890713A (en) * | 2020-08-05 | 2020-11-06 | 江苏中鸿坦达橡胶科技有限公司 | Production and manufacturing process of composite type foaming inflation-free rubber tire |
| CN112874242A (en) * | 2021-01-22 | 2021-06-01 | 东莞同成塑胶五金制品有限公司 | Inner tyre body of air bag of safety tyre, safety tyre and manufacturing process |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047476A (en) * | 1989-05-22 | 1990-12-05 | 尤尼罗亚尔谷德里奇轮胎公司 | Trapezoidal non-pneumatic tire with supporting, buffer component |
| CN106881996A (en) * | 2015-12-16 | 2017-06-23 | 莫全飞 | A kind of non-inflatable tyre |
| CN108001126A (en) * | 2017-12-29 | 2018-05-08 | 天津市宝永啟臣橡胶科技有限公司 | Tire and bicycle |
| CN207670117U (en) * | 2017-10-09 | 2018-07-31 | 深圳市鹏正精工科技有限公司 | A kind of non-inflatable tyre with multiple X-type reinforcing ribs |
| CN109109352A (en) * | 2018-08-22 | 2019-01-01 | 安徽世界村智能装备有限公司 | A kind of rubber product disposably injects, hollow and sulfidization molding production method |
| CN208359838U (en) * | 2018-06-21 | 2019-01-11 | 广州市耐动信息科技有限公司 | Wheeled vehicle, wheel set and its non-inflatable tyre |
| CN209813632U (en) * | 2019-04-09 | 2019-12-20 | 广州市魔力达车业有限公司 | Non-pneumatic tire made of cavity rubber-plastic composite material |
| CN211000778U (en) * | 2019-10-11 | 2020-07-14 | 安徽世界村智能装备有限公司 | High-durability inflation-free damping anti-bump tire |
| CN211222910U (en) * | 2019-11-20 | 2020-08-11 | 纳恩博（常州）科技有限公司 | Non-pneumatic tire, wheel and vehicle |
-
2019
- 2019-10-11 CN CN201910963950.7A patent/CN110561978A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1047476A (en) * | 1989-05-22 | 1990-12-05 | 尤尼罗亚尔谷德里奇轮胎公司 | Trapezoidal non-pneumatic tire with supporting, buffer component |
| CN106881996A (en) * | 2015-12-16 | 2017-06-23 | 莫全飞 | A kind of non-inflatable tyre |
| CN207670117U (en) * | 2017-10-09 | 2018-07-31 | 深圳市鹏正精工科技有限公司 | A kind of non-inflatable tyre with multiple X-type reinforcing ribs |
| CN108001126A (en) * | 2017-12-29 | 2018-05-08 | 天津市宝永啟臣橡胶科技有限公司 | Tire and bicycle |
| CN208359838U (en) * | 2018-06-21 | 2019-01-11 | 广州市耐动信息科技有限公司 | Wheeled vehicle, wheel set and its non-inflatable tyre |
| CN109109352A (en) * | 2018-08-22 | 2019-01-01 | 安徽世界村智能装备有限公司 | A kind of rubber product disposably injects, hollow and sulfidization molding production method |
| CN209813632U (en) * | 2019-04-09 | 2019-12-20 | 广州市魔力达车业有限公司 | Non-pneumatic tire made of cavity rubber-plastic composite material |
| CN211000778U (en) * | 2019-10-11 | 2020-07-14 | 安徽世界村智能装备有限公司 | High-durability inflation-free damping anti-bump tire |
| CN211222910U (en) * | 2019-11-20 | 2020-08-11 | 纳恩博（常州）科技有限公司 | Non-pneumatic tire, wheel and vehicle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111890713A (en) * | 2020-08-05 | 2020-11-06 | 江苏中鸿坦达橡胶科技有限公司 | Production and manufacturing process of composite type foaming inflation-free rubber tire |
| CN112874242A (en) * | 2021-01-22 | 2021-06-01 | 东莞同成塑胶五金制品有限公司 | Inner tyre body of air bag of safety tyre, safety tyre and manufacturing process |
| CN112874242B (en) * | 2021-01-22 | 2024-04-02 | 东莞同成塑胶五金制品有限公司 | Air bag inner carcass of safety tire, safety tire and manufacturing process |
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