CN209987698U - High heat dissipation solid tyre - Google Patents

Abstract

The utility model discloses a high heat dissipation solid tyre belongs to the tire field. It comprises a solid matrix; the tire further comprises an annular cavity which takes the axis of the solid tire body as the center and is formed in the end part of the tire body; the breathing holes are counter bores which are arranged on the side wall in an annular array mode by taking the axis of the solid matrix as the center, and the breathing holes are communicated with the annular cavity; the tread width of the solid tire body is more than or equal to the maximum diameter of the solid tire body, and the diameter of the inner wall of the end part of the tire body is less than that of the inner wall of the middle part of the tire body; the breathing hole is communicated with the annular cavity, and the annular cavity, the breathing hole and the sac cavity are communicated with each other. The utility model discloses a toroidal cavity and breather cooperation, when increasing tire damping performance, drive the interior air of toroidal cavity and exchange with the outside air, guaranteed the radiating effect of tire, have simple structure, reasonable in design, easily advantage of making.

Description

High heat dissipation solid tyre

Technical Field

The utility model belongs to the tire field, more specifically say, relate to a high heat dissipation solid tyre.

Background

A balance car is a new transportation tool in recent years, and is called a motion sensing car, a photographic car, and the like, and the posture state of a car body is determined by a built-in precise solid-state gyroscope according to the basic principle of dynamic stability, and a proper command is calculated through a precise and high-speed central microprocessor, and then a motor is driven to achieve the effect of balance.

Different from the traditional vehicle, the balance car moves in a single-wheel supporting mode or two-wheel side-by-side supporting mode, and is mostly driven by a hub motor unit arranged in the tyre, so that when the tyre for the balance car is used, not only can heat be generated due to friction with the ground, but also a large amount of heat can be generated by a motor in the tyre, the tyre is in a high temperature due to the part of heat, the rolling resistance of the tyre is increased, the high temperature can easily cause the failure of the motor unit, the heat radiation performance of the tyre for the existing balance car can not meet the use requirement of the balance car, and because the motion control of the balance car is measured and calculated by a gyroscope, an acceleration sensor and other precise instruments, the stability of the existing tyre is insufficient, the additional load of a measurement and calculation control unit of the balance car is easily increased, the service life of the balance car is shortened, the riding experience of the balance car is, the performance of the balance car cannot be fully exerted, the rolling resistance is large during traveling, and the power consumption is large.

Through retrieval, the Chinese patent publication number: CN108216453A, published: 29 th 6 th month in 2018, a balance car is disclosed, which comprises a power supply, a control circuit, a hub motor and a pneumatic tire, wherein the power supply is used for supplying power to the balance car, and the control circuit is used for controlling the hub motor to operate; the hub motor comprises a hub rotor and a motor stator arranged in the hub rotor; the pneumatic tire is sleeved on the outer side of the hub rotor; the pneumatic tire comprises a left tire and a right tire, the left tire and the right tire are respectively arranged on the left side and the right side of the hub rotor in a sleeved mode, and the inner cavity of the left tire is communicated with the inner cavity of the right tire. This application is though the tire of inner chamber intercommunication about adopting makes two tires about can the heat exchange, reaches certain heat dissipation purpose at this in-process, but compares in the heat that the in-wheel motor unit produced and the heat that tire friction produced, and this radiating effect is still not enough to some extent, and pneumatic tire is easy to blow out, and the security is low.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

Poor to current tire heat dispersion for the balance car, roll and hinder high problem, the utility model provides a high heat dissipation solid tyre through toroidal cavity and breather hole cooperation, when increasing tire damping performance, drives the interior air of toroidal cavity and exchanges with the outside air, has guaranteed the radiating effect of tire.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A high heat dissipation solid tire comprises a solid tire body,

a solid carcass;

further comprising:

the annular cavity is an annular cavity which takes the axis of the solid tire body as the center and is formed in the end part of the tire body;

the breathing holes are counter bores which are arranged on the side walls in an annular array mode by taking the axis of the solid tire body as the center, and the breathing holes are communicated with the annular cavity;

the tread width of the solid tire body is larger than or equal to the maximum diameter of the solid tire body, and the diameter of the inner wall of the end part of the tire body is smaller than that of the inner wall of the middle part of the tire body.

The annular cavity is arranged in the end part of the tire body, so that the impact force applied to the tire is uniformly dispersed when the tire runs, the impact force is buffered, and the damping performance of the solid tire body is enhanced; in addition, when the solid tire body is subjected to continuous deformation and recovery under the action of impact force, the corresponding deformation of the breathing hole is recovered, so that the air in the annular cavity is driven to exchange with the air outside the tire side, a breathing effect is realized, the heat exchange between the inside of the solid tire body and the outside is promoted, and the heat dissipation effect on the tire body is realized; the large-width solid tire body can improve the stability of the balance car, the inner wall of the tire body is in a form of closing up at two ends to form a diameter difference between the middle part and the inner wall at the end part, a space formed in the tire body can be used for installing a hub motor unit, the hub motor unit is naturally embedded in the inner wall of the tire body in the form of closing up at two ends, the closing up two ends are stable and limited in the horizontal direction to the hub motor unit, as the tire body is made of elastic material, when the hub motor unit is installed, the tire body is opened, after the tire body is installed in place, the tire body is restored to the original state, so that the hub motor unit is stably assembled in the tire body by depending on the self structure and the elasticity of the tire body, other fixing mechanisms are not needed to be additionally arranged in the tire body for fixing the two parts, the rolling resistance of the tire when the tire travels is greatly reduced, the adverse, and the air holes are matched to radiate the heat of the tire.

Further, still include the bag chamber, it is the globular cavity of seting up in annular cavity and breathing hole intercommunication department, annular cavity, breathing hole and bag chamber all communicate each other. Annular cavity and breather hole intercommunication department are located to the bag chamber structure, cavity space in the matrix tip has been increased, when the impact force transmitted, the dispersion of globular cavity to power is more even, the shock attenuation effect has been reinforceed greatly, annular cavity is with each bag chamber series connection, when the tire marchd to take place deformation and resume, cavity space deformation degree in the matrix tip is great, can form an air current field at the inside a week of matrix tip, constantly drive the heat that produces with more inside departments of matrix, disperse to the external world through "respiration", the phenomenon that matrix temperature accumulation is too high has effectively been prevented from taking place, the radiating effect has further been reinforceed.

Further, the aperture of the breathing hole is gradually reduced from the side wall to the annular cavity. The breathing hole pore wall of this scheme is not on a parallel with horizontal road surface, but is the angle of slope with the road surface, and when impurity got into the breathing hole, the pore wall was hugged closely under the centrifugal force effect that the matrix rotated the production, because the pore wall is not on a parallel with horizontal ground, therefore impurity is difficult for obtaining balanced holding power on the pore wall, is difficult for piling up on the pore wall to pile up impurity jam influence radiating effect in avoiding the breathing hole.

Furthermore, the shape of the upper hole wall of the breathing hole along the radial section of the solid matrix is a smooth curve. When impurity gets into the breather, the pore wall is each located all different to its supporting force effect direction, when receiving the centrifugal force of the rotatory production of tire, extremely difficult finding the equilibrium point, compares in the breather of slope branch wall, stops more difficult in the breather of this scheme and piles up impurity, and the breather atress of curved is more even, and elasticity is better, and tire shock-absorbing performance is better.

Further, the diameters of the tire treads at the end parts of the tire body are equal, and the diameters of the tire treads in the middle part of the tire body are uniformly reduced from the two ends to the middle. Tire body tip tread and ground contact, when driving, under the elasticity effect, the continuous deformation of tire body tip resumes, and is corresponding, and the tire body middle part also carries out deformation and resumes, makes solid tire body inner wall take place "breathe" effect, and solid tire body inner wall constantly carries out the heat exchange with the external world promptly to in time distribute away the heat that produces in the solid tire body inner wall, prevent that the child from high temperature, strengthen the radiating effect.

Further, a radiating groove is arranged on the tread of the middle part of the tire body along the circumferential direction, and the radiating groove is in a downward-concave arc shape along the shape of the radial section of the solid tire body. The arc-shaped lower concave heat dissipation groove is formed on the tread of the middle part of the tire body, circumferentially surrounds the tread and is provided with at least one circle. The applicant finds that the larger the specific surface area of the tire tread is, the better the heat dissipation effect is, the applicant designs the tire tread in the middle of the tire body into an arc-shaped concave-down structure to increase the specific surface area of the tire tread in the middle of the tire body, and the experiment finds that the heat dissipation performance of the tire is improved to some extent, but the heat dissipation performance is still insufficient under a hot environment, so that the further improvement is performed on the tire tread in the middle of the tire body, a plurality of circles of heat dissipation grooves are additionally arranged, each circle of heat dissipation groove is of an arc-shaped concave-down structure, the specific surface area of the.

Further, the heat dissipation groove is formed on the tread in the middle of the tire body in a spiral shape. The radiating groove winds matrix circumference and forms a continuous spiral groove on matrix middle part tread, compares in the radiating groove who sets up side by side at the tread middle part, and this scheme radiating effect is more even stable, and the helical configuration can eliminate the framework stress of middle part tread, ensures the intensity and the life at matrix middle part, and the helical configuration can play fine buffering to the impact force that the axial transmitted and inhale the shake effect, has guaranteed the equilibrium of tire when meetting the axial impact force.

Furthermore, a drainage groove is formed in the circumferential direction of the tire tread at the end part of the tire body. The phenomenon of water slip is avoided when the automobile runs on a rainy day or a water accumulation road surface, and the balance stability of the tire in the environment is ensured.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the annular cavity at the end part of the solid tire body strengthens the damping performance of the solid tire body, the breathing hole communicated with the annular cavity increases the consumption of impact energy, strengthens the damping effect, and drives the air in the annular cavity to exchange with the outside air in the deformation recovery process of the breathing hole, thereby achieving the effect of heat exchange and dissipating heat in the tire body;

(2) the utility model discloses a high heat dissipation solid tyre, stability when the balance car went has been guaranteed to the large width matrix, and matrix tip inner wall designs into the convergent type, can remove fixing mechanism from with in-wheel motor unit gomphosis fix in the matrix, avoided the adverse effect of redundant mechanism to the heat dissipation, along with deformation and the recovery when solid matrix marchs, the air of matrix inner wall carries out the heat exchange with the outside air, plays the radiating effect to the matrix inner wall, cooperates with the breather hole, has strengthened the heat dispersion of tire greatly;

(3) the annular cavity, the breathing holes and the direct embedding of the hub motor unit of the high-heat-dissipation solid tire of the utility model all reduce the weight of the tire, greatly reduce the rolling resistance of the tire and overcome the defect of low rolling resistance caused by the stability improvement of a large-width solid tire body;

(4) the utility model discloses a high heat dissipation solid tyre, the sack structure is located toroidal cavity and breather hole intercommunication department, the cavity space in the matrix tip has been increased, when the impact force transmits, the dispersion of spherical cavity adversity is more even, the shock attenuation effect has been strengthened greatly, toroidal cavity is with each sack chamber series connection, when the deformation of advancing taking place of tire resumes, the cavity space deformation degree in the matrix tip is great, can form an air current field in matrix tip a week, drive the heat that more departments produce in the matrix inside constantly, disperse to the external world through "respiration", the phenomenon that the matrix temperature accumulation is too high has effectively been prevented from taking place, further strengthened the radiating effect;

(5) the utility model discloses a high heat dissipation solid tyre, the aperture of breather hole reduces from the side wall to toroidal cavity gradually, and this pore wall shape makes when making the foreign matter enter the breather hole, under the centrifugal force effect that the matrix rotates and produces, hugs closely the pore wall, because the pore wall is not on a parallel with horizontal ground, therefore the foreign matter is difficult for obtaining balanced holding power on the pore wall, is difficult for piling up on the pore wall to avoid piling up the jam of foreign matter in the breather hole and influence the radiating effect;

(6) the utility model discloses a high heat dissipation solid tyre adopts the breather hole of curved pore wall, and when impurity got into the breather hole, the effect direction all is different to its supporting force in every department of pore wall, when receiving the centrifugal force that the tire rotation produced, it is extremely difficult to find the balance point, compares in the breather hole of slope rampart, and it is harder to stop in the breather hole of this embodiment and pile up impurity thing, and curved breather hole atress is more even, and elasticity is better, and tire shock absorption performance is better;

(7) the utility model discloses a high heat dissipation solid tyre, the sunken tread in matrix middle part has reduced the tire greatly and has landed on the ground, when reducing to roll and hinder, matrix end portion two even diameter treads provide stable support to the matrix from the matrix left and right sides both ends, guarantee the equilibrium stability of matrix, when meetting jolting, the impact force produces at two matrix end portions earlier, then via side wall elastic mechanism buffering shake, then transmit to the matrix middle part, the elastic deformation takes place in the matrix middle part and cushions the shock attenuation to the impact force, under the multiple shock attenuation, not only guarantee tire balance, and protected the hub motor unit who fixes at matrix middle part inner wall not receive great impact force, prolong the effective life of hub motor unit, ride stability is stronger, use experience is better;

(8) the utility model discloses a high heat dissipation solid tyre, owing to adopt matrix middle part tread sunk structure, the tire bearing is in matrix tip department, and the wall thickness in matrix middle part can corresponding reduce to strengthen the thermal diffusivity of matrix, when the matrix tip breathes in deformation recovery, the adaptive deformation that takes place in matrix middle part assists the air that promotes the inner wall middle part and carries out the heat transfer with the outside air, makes the radiating effect of matrix inner wall better;

(9) the utility model discloses a high heat dissipation solid tyre adopts the heliciform to form the radiating groove at matrix middle part tread, compares in the radiating groove who sets up in the middle part of tread side by side, and this scheme radiating effect is more even stable, and the helical structure can eliminate the framework stress of middle part tread, guarantees the intensity and the life in matrix middle part, and the helical structure can play fine buffering and inhale the shake effect to the impact force that the axial was come, has guaranteed the stability of tire when meetting the axial impact force;

(10) the utility model discloses a high heat dissipation solid tyre sets up water drainage tank on the tip tread, has the water route face water drainage tank to play the effect of cutting the water film and assist the drainage, avoids taking place the hydroplaning phenomenon when rainy day, ponding road surface go, ensures the equilibrium stability of tire under this environment;

(11) the utility model discloses simple structure, reasonable in design easily makes.

Drawings

FIG. 1 is a front view of a solid tire with high heat dissipation of the present invention;

fig. 2 is a left side view of the high heat dissipation solid tire of the present invention;

FIG. 3 is a sectional view taken along line B-B;

FIG. 4 is a sectional view taken along line A-A;

FIG. 5 is a cross-sectional view of a tire B-B of example 2;

FIG. 6 is a side view of the tire of example 2;

FIG. 7 is a cross-sectional view of a tire A-A of example 2;

FIG. 8 is a front view of a tire of example 6;

FIG. 9 is a front view of a tire of example 7;

FIG. 10 is a front view of a tire of example 8;

FIG. 11 is a sectional view of the tire inner wall fitted in the direction B-B of the in-wheel motor unit.

In the figure: 1. a solid carcass; 10. a carcass end; 11. the middle part of the tyre body; 2. an annular cavity; 3. a breathing hole; 4. a capsule cavity; 5. a heat sink; 6. a water discharge tank; 7. and the hub motor unit.

Detailed Description

The invention will be further described with reference to specific embodiments and drawings.

Example 1

A high heat dissipation solid tire, as shown in fig. 1, 2, 3 and 4, comprising,

a solid carcass 1;

further comprising:

an annular cavity 2 which is an annular cavity taking the axis of the solid tire body 1 as the center and formed in the end part 10 of the tire body;

the breathing holes 3 are counter bores which are arranged on the side wall in an annular array mode by taking the axis of the solid matrix 1 as the center, and the breathing holes 3 are communicated with the annular cavity 2;

the tread width of the solid tire body 1 is larger than or equal to the maximum diameter of the solid tire body 1, and the diameter of the inner wall of the end part 10 of the tire body is smaller than that of the middle part 11 of the tire body.

In the tire of balance car, wheel hub motor unit 7 is often equipped with and drives, this just makes the tire when advancing, not only bears the heat that self and ground friction produced, still receive the heat that wheel hub motor operation produced, present tire adopts rubber material more, its heat conductivility is not high, consequently, easily lead to the balance car tire position heat accumulation in use too high, to pneumatic tire, the direct consequence that causes is stability worsening easy tire burst, and high temperature makes the matrix become soft, the tire lands greatly increased, the rolling resistance increases by a wide margin, power consumption increases, the direct consequence that causes to wheel hub motor unit 7 is the damage motor.

The improvement of the heat dissipation of the tire is initiated from two aspects, namely, the improvement of the tire material, the cost of the method is too high, and the improvement difficulty is great, and the applicant is initiated from another aspect, namely, the improvement of the tire structure.

In the embodiment, the solid tire body 1 is selected, so that the defects that the pneumatic tire is easy to burst when heated and has low safety are avoided, the solid tire body 1 has no risk of burst, and is suitable for a tire structure of a balance vehicle;

the annular cavity 2 is arranged in the end part 10 of the tire body, when the tire runs, the annular cavity can uniformly disperse the impact force applied by the annular cavity, the impact force is buffered, and the shock absorption performance of the solid tire body 1 is enhanced;

one end of the breathing hole 3 is communicated with the outside of the tire side, the other end of the breathing hole is communicated with the annular cavity 2, the dispersed impact force of the annular cavity 2 can be radiated to the tire side through the breathing hole 3, the energy of the impact force is consumed, and the damping effect is enhanced, in addition, when the solid tire body 1 is subjected to the impact force and is continuously deformed and restored, the breathing hole 3 is also correspondingly deformed and restored, so that the air in the annular cavity 2 is driven to be exchanged with the air outside the tire side, the breathing effect is realized, the heat exchange between the inside of the solid tire body 1 and the outside is promoted, and the heat radiation effect on the tire body;

because the tire often adopts single wheel or double round to be side by side two kinds of forms in the balance car, consequently tire self needs higher stability, the tread width more than or equal to solid matrix 1 maximum diameter of the tire of this embodiment for tire self can stably place in ground, its great width relatively can provide stable holding power to year thing on the tire, furthermore, this embodiment has improved solid matrix 1 inner wall structure, matrix 1 inner wall is the form of both ends binding off, this kind of structure can be realized through two kinds of modes at least: the inner wall of the end part 10 of the tire body is thickened or the inner wall of the middle part 11 of the tire body is reduced, the embodiment adopts the form of reducing the inner wall of the middle part 11 of the tire body, the weight of the solid tire body 1 is reduced, the diameter difference between the inner wall of the middle part and the inner wall of the end part is formed, the space formed inside the solid tire body 1 can be used for installing the hub motor unit 7, as shown in figure 11, the hub motor unit 7 is naturally embedded in the inner wall of the solid tire body 1 with two closed ends, the closed two end parts are stable and limited to the hub motor unit 7 in the horizontal direction, because the solid tire body 1 is made of elastic material, when the hub motor unit 7 is installed, the solid tire body 1 is opened, after being installed in place, the solid tire body 1 is recovered, thereby the hub motor unit 7 is stably assembled in the solid tire body 1 by means, greatly reduced the weight of the inside thing of packing into of solid matrix 1, thereby the total weight of tire has been alleviateed, greatly reduced rolling when the tire marchs hinder, and simultaneously, redundant fixed establishment has also been saved and the hindrance that redundant mechanism gived off the heat, when the tire marches, solid matrix 1 is when deformation resumes, the inner wall both sides also carry out the heat exchange with the outside air, give off the heat of solid matrix 1 inside, cooperate with breathing hole 3 of matrix tip 10, give off the heat in matrix inner wall and the matrix, the thermal diffusivity of tire has been improved greatly.

Furthermore, the annular cavity 2, the breathing holes 3 and the direct embedding of the hub motor unit 7 all reduce the weight of the tire, greatly reduce the rolling resistance of the tire and overcome the defect of low rolling resistance caused by the stability improvement of the large-width solid tire body 1.

Example 2

The high-heat-dissipation solid tire of the embodiment is further improved on the basis of the embodiment 1, as shown in fig. 5, 6 and 7, the high-heat-dissipation solid tire further comprises a bag cavity 4 which is a spherical cavity arranged at the communication position of the annular cavity 2 and the breathing hole 3, and the annular cavity 2, the breathing hole 3 and the bag cavity 4 are all communicated with each other.

The structure of the bag cavity 4 is arranged at the communication part of the annular cavity 2 and the breathing hole 3, the cavity space in the end part 10 of the tire body is enlarged, when the impact force is transmitted, the dispersion of the force by the spherical cavity is more uniform, then the annular cavity 2 conducts the impact force among the bag cavities 4, one impact force is dispersed by the synergistic effect of the bag cavities 4 at multiple positions under the conduction of the annular cavity 2, and can be released to the tire side through the breathing hole 3, and the damping effect is greatly enhanced; further, toroidal cavity 2 establishes ties each bag chamber 4, and when the tire marchd to take place the deformation and resume, the cavity space deformation degree in matrix tip 10 is great, can form an air current field at matrix tip 10 inside a week, constantly drives the heat that the inside more everywhere of matrix produced, disperses to the external world through "respiration, has effectively prevented the too high phenomenon of matrix temperature accumulation from taking place, has further strengthened the radiating effect.

Example 3

The high heat dissipation solid tire of this embodiment is further improved on the basis of embodiment 2, and the aperture of the breathing hole 3 gradually decreases from the sidewall to the annular cavity 2.

The 3 pore walls of breather hole of this embodiment are not parallel to the horizontal road surface, but be the angle of slope with the road surface, be parallel to the pore wall structure on road surface, advance at the tire, when rolling into the impurity in the hole, the impurity hugs closely the pore wall under the centrifugal force effect, horizontal pore wall gives its ascending holding power, make the impurity receive the equilibrant very easily, thereby stably stop in the pore wall, stifled pore structure is blockked up in the long-term accumulation, the shape of the pore wall of this embodiment, when making the impurity get into breather hole 3, under the centrifugal force effect that the matrix rotates the production, hug closely the pore wall, because the pore wall is not parallel to horizontal ground, consequently, the impurity is difficult for obtaining balanced holding power on the pore wall, be difficult for piling up on the pore wall, thereby avoid piling up the impurity jam in breather hole 3, influence the radiating effect.

Example 4

The high-heat-dissipation solid tire is further improved on the basis of the embodiment 3, and the shape of the upper hole wall of the breathing hole 3 along the radial section of the solid tire body 1 is a smooth curve.

When the foreign matter got into breather 3, the pore wall each department all was different to its supporting force effect direction, when receiving the centrifugal force of tire rotation production, very difficult finding the equilibrium point, compare in the breather 3 of slope rampart, it piles up the foreign matter to stop more difficult among the breather 3 of this embodiment, and the breather 3 atress of curved is more even, and elasticity is better, and tire shock-absorbing performance is better.

Example 5

The high-heat-dissipation solid tire of the embodiment is further improved on the basis of any one of embodiments 1 to 4, as shown in fig. 1, the tread diameters of the end portions 10 of the tire body are equal, and the tread diameter of the middle portion 11 of the tire body is uniformly reduced from two ends to the middle.

In the embodiment, the treads at the end parts 10 of the tire body are contacted with the ground, the treads at the two ends are symmetrically and stably supported for the tire, the treads at the middle part 11 of the tire body are in a concave arc shape, when the tire advances, the treads at the middle part are not contacted with the ground, but are elastically deformed adaptively under the action of the gravity of the whole balance car and road conditions; when the traditional tire body is used, most of the tire body is contacted with the ground at the middle part of the tire body to generate friction for the vehicle to travel, although the small rolling resistance of the tire on the ground is small, the self balance is poor and unstable, and the room for buffering and deforming when bumping is met is small.

In the solid tire body 1 of the embodiment, the tread with the concave middle part 11 of the tire body greatly reduces the landing of the tire, when the rolling resistance is reduced, the treads with uniform diameters at the two ends 10 of the tire body provide stable support for the solid tire body 1 from the left end and the right end of the solid tire body 1, the balance stability of the solid tire body 1 is ensured, when bumping, impact force is firstly generated at the two ends 10 of the tire body, after being buffered and absorbed by the structures of the annular cavity 2, the breathing hole 3 and the bag cavity 4 positioned at the side wall of the end part, the impact force is transmitted to the middle part 11 of the tire body, the middle part 11 of the tire body generates elastic deformation to buffer and absorb the impact force, the balance of the tire is ensured, the hub motor unit 7 fixed on the inner wall of the middle part 11 of the tire body is protected from being subjected to larger impact force, the effective service life of the hub motor, the impact force transmitted by the tire body to the hub motor unit 7 is minimum, and the impact force transmitted by the hub motor unit 7 to the balance vehicle body is also minimum, so that the riding stability is stronger, and the use experience is better; because the tire bearing is in matrix tip 10 department, the wall thickness of matrix middle part 11 can corresponding reduction to strengthen the thermal diffusivity of matrix, when matrix tip 10 breathes in deformation recovery, the adaptability deformation that matrix middle part 11 takes place assists the air that promotes the inner wall middle part and carries out the heat transfer with the outside air, makes the radiating effect of matrix inner wall better.

Example 6

The high-heat-dissipation solid tire of the present embodiment is further improved on the basis of embodiment 5, as shown in fig. 8, heat dissipation grooves 5 are circumferentially arranged on a tread of a middle portion 11 of the tire body, and the shape of the heat dissipation grooves 5 along the radial section of the solid tire body 1 is a concave arc shape.

The arc-shaped lower concave heat dissipation groove 5 is formed on the tread of the middle part 11 of the tire body, circumferentially surrounds the tread, and is arranged for at least one circle.

The applicant finds that the larger the specific surface area of the tire tread is, the better the heat dissipation effect is, the applicant designs the tire tread in the middle part 11 of the tire body into an arc-shaped concave structure to increase the specific surface area of the tire tread in the middle part 11 of the tire body, the experiment finds that the heat dissipation performance of the tire is improved to some extent, but the heat dissipation performance is still insufficient under the hot environment, so that the further improvement is performed on the tire tread in the middle part 11 of the tire body, a plurality of circles of heat dissipation grooves 5 are additionally arranged, each circle of heat dissipation groove 5 is of an arc-shaped concave structure, the specific surface area of the tire tread.

The high-heat-dissipation solid tire has the advantages that the middle of the tire tread is sunken, the tire tread does not contact and rub with the ground when the tire advances, heat cannot be directly generated on the tire tread in the middle, the tire tread on the end part 10 of the tire body rubs with the ground to generate heat, but the contact part of the end part 10 of the tire body with air is large, and the breathing holes 3, the bladder cavities 4 and the annular cavity 2 have the heat exchange breathing function, so that the heat is relatively easy to dissipate; further, 11 treads in the middle part of the tyre body are arc-shaped and concave, the heat dissipation groove 5 is arc-shaped and concave, the purpose of selecting this shape is that the arc-shaped structure has no stress concentration point, the stress dispersion to the transmission is more uniform, the buffering effect is more uniform and stable, and the middle part of the tread is not easy to cause the fatigue damage phenomenon caused by stress concentration in a certain position.

Example 7

A solid tire with high heat dissipation performance of this embodiment is further improved from embodiment 6, and as shown in fig. 9, the heat dissipation grooves 5 are spirally formed on the tread of the middle portion 11 of the tire body.

The radiating grooves 5 form a continuous spiral groove on the tire surface in the middle 11 of the tire body around the solid tire body 1 in the circumferential direction, and compared with a plurality of circles of radiating groove 5 structures arranged side by side in the figure 8, the structure of the embodiment has a better effect of more uniformly increasing the specific surface area of the tire surface.

The heat dissipation grooves 5 are arranged in parallel, each heat dissipation groove 5 independently plays a role in heat dissipation, the deeper the heat dissipation grooves 5 are arranged, the denser the arrangement is, the larger the increase of the contrast surface area is, the more obvious the heat dissipation effect is improved, but the larger the depth of the heat dissipation grooves 5 is, the larger the diameter of the tread at the position is caused, the thinner the thickness of the solid carcass 1 is caused, the strength of the solid carcass 1 is reduced, the solid carcass 1 is possibly broken due to the overlarge stress when the tire advances, the heat dissipation grooves 5 of the embodiment are spirally arranged, no recess is formed at a certain position of the tread, the occurrence of overlarge reduction of the diameter of the tread is avoided, and compared with the heat dissipation grooves 5 with single action in FIG. 8, the heat dissipation grooves 5 of the embodiment are mutually communicated in annular circles, a communicated arc-shaped recessed channel is formed on the tread at the middle part, like the shape of a spring, the heat dissipation effect is more uniform, and the structural stress, for the impact force transmitted in the axial direction, the spiral radiating grooves 5 can perform good buffering and vibration absorbing functions, so that the stability of the tire when the tire meets the axial impact force is ensured.

The high heat dissipation solid tyre of this embodiment, when marcing, the tread contact ground at both ends, the impact force transmits to solid matrix 1 via the tip tread, the toroidal cavity 2 of side wall, breather hole 3 and bag chamber 4 act on earlier, with most impact force dispersion buffering, remaining impact force transmits to matrix middle part 11, the sunken middle part tread of arc takes place adaptability deformation and carries out the buffering of impact force, meanwhile spiral helicine radiating groove 5 also plays a role, make in the wheel hub motor unit 7 among the solid matrix 1 be in the state of relative stability all the time, and then the equilibrium stability of automobile body has been guaranteed, the influence factor that the control unit received has been measured and calculated to the balance car has been reduced, make balance car control more accurate, use experience better.

Example 8

The high heat dissipation solid tire of the present embodiment is further improved on the basis of embodiment 7, as shown in fig. 10, a drainage groove 6 is circumferentially formed on a tread of the end portion 10 of the tire body.

The embodiment sets up the water drainage tank 6 of shapes such as S type groove, ring channel, cylindrical shrinkage pool sucking disc on tip tread 10, has waterway drainage tank 6 to play the effect of the supplementary drainage of cutting water film, avoids taking place the hydroplaning phenomenon when rainy day, ponding road surface travel, ensures the equilibrium stability of tire under this environment.

The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.

Claims (8)

1. A high heat dissipation solid tire comprises a solid tire body,

a solid carcass (1);

it is characterized by also comprising:

the annular cavity (2) is an annular cavity which takes the axis of the solid tire body (1) as the center and is formed in the end part (10) of the tire body;

the breathing holes (3) are counter bores which are arranged on the side wall in an annular array mode by taking the axis of the solid matrix (1) as the center, and the breathing holes (3) are communicated with the annular cavity (2);

the tread width of the solid tire body (1) is larger than or equal to the maximum diameter of the solid tire body (1), and the diameter of the inner wall of the end part (10) of the tire body is smaller than that of the inner wall of the middle part (11) of the tire body.

2. The high heat dissipation solid tire of claim 1, wherein: still include cyst chamber (4), it is the globular cavity of seting up in annular cavity (2) and breathing hole (3) intercommunication department, annular cavity (2), breathing hole (3) and cyst chamber (4) all communicate each other.

3. The high heat dissipation solid tire as set forth in claim 2, wherein: the aperture of the breathing hole (3) is gradually reduced from the side wall to the annular cavity (2).

4. A high heat dissipation solid tire as set forth in claim 3, wherein: the breathing hole (3) is smooth curve along the shape of the upper hole wall of the radial section of the solid matrix (1).

5. The high heat dissipation solid tire as claimed in any one of claims 1 to 4, wherein: the tire tread diameters of the tire body end parts (10) are equal, and the tire tread diameter of the tire body middle part (11) is uniformly reduced from the two ends to the middle.

6. The high heat dissipation solid tire of claim 5, wherein: the tyre is characterized in that a radiating groove (5) is arranged on the tyre surface of the middle part (11) of the tyre body along the circumferential direction, and the radiating groove (5) is in a downward-concave arc shape along the shape of the radial section of the solid tyre body (1).

7. The high heat dissipation solid tire of claim 6, wherein: the heat dissipation groove (5) is spirally formed on the tread of the middle part (11) of the tire body.

8. The high heat dissipation solid tire of claim 7, wherein: and drainage grooves (6) are formed in the circumferential direction of the tire surface of the tire body end part (10).

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