CN209600176U - A kind of solid hollow out damping trouble-proof tire - Google Patents
A kind of solid hollow out damping trouble-proof tire Download PDFInfo
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- CN209600176U CN209600176U CN201920318513.5U CN201920318513U CN209600176U CN 209600176 U CN209600176 U CN 209600176U CN 201920318513 U CN201920318513 U CN 201920318513U CN 209600176 U CN209600176 U CN 209600176U
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Abstract
The utility model discloses a kind of solid hollow out damping trouble-proof tires, belong to tire art.A kind of solid hollow out damping trouble-proof tire of the utility model, including carcass；Hollow hole is the vestibule for being opened in carcass side；Hollow hole both ends of the surface to hollow hole middle part is gradually reduced without leave in the hole of hollow hole；The hollow hole of carcass two sides is arranged in a one-to-one correspondence or arranged in a crossed manner；Carcass side is equipped with counterbore, and hollow hole is set in counterbore；The tyre surface of carcass is equipped with tread；Interlayer is equipped in the middle part of hollow hole.The utility model is by improving hollow hole, hollow hole both ends of the surface to hollow hole middle part is gradually reduced without leave in the hole of hollow hole, increase the difficulty that impurity stops in hole, impurity is easily discharged out of the hole in time in tire rotation, and play multiple damping effect, solid tyre openwork hole is also solved while mitigating solid tyre weight, saving production cost and easily accumulates the problem of impurity thing influences service life, balance, improves the comfort of riding of tire.
Description
Technical field
The utility model relates to tire arts, more particularly to a kind of solid hollow out damping trouble-proof tire.
Background technique
It is prevailing with shared bicycle, driven the development of inflation-free solid tyre, this tire with without periodically inflation,
The fashionable shared bicycle industry of advantages such as sharp object thorn damaged tire body, explosion-proof is prevented, however there is also can not neglect for this solid tyre
Depending on the shortcomings that: heavy, the weight of solid tyre is greater than conventional tires tire weight under same model；Poor flexibility, damping property
Lower than same model conventional tires tire；Rolling resistance is big, and especially in summer, after solid tyre softens, tire lands area increase,
Resistance greatly increases when riding.
Currently, the shortcomings that being directed to solid tyre, domestic manufacturer carried out it is many it is different improve, it is main that there are two directions: 1), from
It is modified in terms of material, weight, shape stability etc. are improved after forming carcass；2) it, is modified, comes from structure
Improve weight, the damping property etc. of carcass.Relatively conventional improvement is the solid tyre of the engraved structure used such as " rub and visit bicycle ", this
Kind hollow out solid tyre alleviates solid tyre weight, and solid tyre is made to be provided with certain damping property, but inside engraved structure easily
Water or impurity throw away under steam because of long-term accumulation impurity and cause danger and the knot such as water, impurity in winter engraved structure
Ice causes elasticity decrease, weight increase, sideslip etc..
Through retrieving, China Patent Publication No.: publication date: CN208359838U on January 11st, 2019, discloses wheeled vehicle
, wheel set and its non-inflatable tyre.This application tire body includes tyre surface, the inner surface opposite with tyre surface and connection tire
Two sides in face and inner surface；Side is provided with multiple damping through-holes through tire body along the circumferential direction of tire body；Two
A side is provided with multiple damping blind holes along the circumferential direction of tire body；Multiple damping blind holes are located at multiple damping through-holes and successively connect
It connects in the circular order to be formed.Although this application improves the damping performance of tire, alleviate tire weight, but its damping
Accumulated impurity is easily remained in through-hole and blind hole, long-term damage carcass shortens carcass service life, and the impurity accumulated is full of behind hole
The damping performance of tire can be made to fail.
Utility model content
1. utility model technical problems to be solved
For solid tyre weight is big in the prior art, damping property is poor, hollow part easily blocks influence after adding engraved structure
The problem of traveling, the utility model provide a kind of solid hollow out damping trouble-proof tire.A kind of solid hollow out of the utility model
Damping trouble-proof tire, improves hollow hole, and hollow hole both ends of the surface to hollow hole middle part is gradually reduced without leave in the hole of hollow hole,
The difficulty that impurity stops in hole is increased, impurity is easily discharged out of the hole in time when riding, and this improve is mitigating tire weight
It ensure that its comfort of riding because it is with multiple damping effect while amount.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of solid hollow out damping trouble-proof tire, including,
Carcass；
Hollow hole is the vestibule for being opened in carcass side；
The aperture of the hollow hole, from hollow hole both ends of the surface to hollow hole, middle part, is gradually reduced.
Hollow hole uniformly circumferentially through the side that carcass is arranged in, is effectively reduced the weight of solid tyre, this programme
Hollow out hole shape be circle, ellipse, hexagon etc., wherein circle hollow hole resistance tire used when fatigue damage time most
Long, the anti-top effect of damping is good, and the hole wall of this programme is not parallel with level road, can increase what impurity thing stopped in hollow hole
Difficulty, impurity thing are not easy to find stress balance point in hollow hole, thus the impurity thing blocking for preventing hollow hole to be accumulated by.
Further, the hollow hole is made of centrosymmetric one group of bellmouth.Taper pore structure can be to hollow hole
Carcass portion to tyre surface plays the more support of strength and multiple cushioning effect, guarantees carcass shape, improves carcass stress and produces
Raw resilience avoids the problem that tire landing ground increase causes running resistance to increase.
Further, the opening angle of the hollow hole is α, wherein 5 °≤α≤35 °.2 opening angle of hollow hole is kept
5 °≤α≤35 °, tire has both support effect and multiple damping effect, and comprehensive service performance is higher.
Further, the carcass side is equipped with counterbore, and hollow hole is set in counterbore.It is heavy that this programme is opened up in carcass side
Hollow hole is simultaneously set in counterbore by hole, and such design saves tire production convenient for the production of tire-mold and the processing of tire
When material consumption, saved production cost, and alleviate tire weight, reduced rolling resistance, for electrically driven (operated) wheeled vehicle,
Further reduce power consumption when tire on the drive wheels.
Further, the depth h of the counterbore is no more than the 1/5 of counterbore position carcass thickness D.When the depth of counterbore
Spending h is more than the 1/5 of counterbore position carcass thickness D, it may appear that the case where impurity thing blocking hollow hole is accumulated at counterbore, shadow
Ring tire used experience.
Further, hollow hole shape of hole wall along carcass radial section is smooth curve.Curve-like hole wall
In hollow hole, impurity thing is difficult to find that the equalization point of stress, under the centrifugal force effect of wheel rotation, is got rid of place's hollow out quickly
Hole, to be more difficult to be blocked, and the hollow hole stress of this programme can disperse very well and make damping effect more preferable.
Further, the tyre surface of the carcass is equipped with tread, improves the road holding of tire, and stability mentions significantly when use
Height is more suitable for the tire of this programme in mountain bike.
Further, the injection of solid hollow out damping trouble-proof tire, hollow and vulcanization process are completed in same mold.
In this programme solid hollow out damping trouble-proof tire the production method is as follows:
A, it plasticates: rubber raw materials is plasticated into flow-like rubber mass；
B, it molds: mold clamp being formed into die cavity, by die cavity vacuum state, and is heated to 100~150 DEG C；
C, it injects: in the rubber mass injection die cavity after plasticating, molding is stood after filling, injection temperature is 60~100 DEG C,
Time of repose is 5~50s；
B, gas injection: being 0.9~4.9MPa, the high temperature and pressure gas that temperature is 100~180 DEG C to die cavity injection pressure position pressure
Body；
E, vulcanize: vulcanisation operation being carried out to tire, the duration is 600~800s；
F, pressure release pressure release: is carried out to the high temperature and high pressure gas of inside tires；
G, it is opened: opening mold, take out tire.
Further, the mold includes:
Upper mold, offers the type chamber for forming half of carcass thereon, and type chamber is equipped with for forming engraving for hollow hole
Emptying aperture mold core and the counterbore mold core for being used for molding counter bore；
Lower mold, shape are symmetrical with upper mold；
Injection orifice is opened in upper mold and/or lower mold side, and is connected to type chamber.
Further, interlayer is equipped in the middle part of the hollow hole.For the ease of Tire production, guarantee yield rate, production is up and down
When mould, there are a fixed gaps between the hollow hole mold core of upper and lower mould, finally can guarantee the degree of balance of finished tire, molding hollow out
There are interlayers by Kong Zhonghui, and compartment thickness control in a certain range can increase to the damping performance of tire, guarantee simultaneously
The compatible degree of hollow hole mold core in process.
Further, the hollow hole of the carcass two sides is arranged in a one-to-one correspondence or arranged in a crossed manner.On the one hand guarantee carcass
The weight of two sides is almost the same, and then guarantees the balance in tire ride, and on the other hand in carcass two sides, hollow hole is same
It in the case where aperture structure, is staggered, two sides hollow out pore structure is interlocked pressure-bearing in ride, the balance and stabilization ridden
The better effect of property.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) a kind of solid hollow out damping trouble-proof tire of the utility model, significantly reduces solid tyre equipped with hollow hole
Weight reduces the rolling resistance of tire；Hollow hole is round hole, and compared to the vestibule of other shapes, the hollow hole of the application is supported
When anti-tire used the time of fatigue damage at most, and good damping effect；Impurity thing is not easy to stop in the hollow hole of the application, very
There is the case where accumulation obstruction hollow hole in hardly possible, it is ensured that the damping effect and service life of tire；
(2) a kind of solid hollow out damping trouble-proof tire of the utility model, the poroid hollow hole of symmetrical taper can be right
This part carcass of hollow hole to tyre surface plays reliable support and multiple cushioning effect, and solid tyre heat is effectively prevent to soften
Rear tyre landing ground greatly increases the problem of causing running resistance to increase, and symmetrical structure can be equal by power when carcass is by impact force
Even to be symmetrically buffered to hollow hole both ends, damping while, ensure that the balance and stabilization of tire；
(3) a kind of solid hollow out damping trouble-proof tire of the utility model, equipped with the symmetrical poroid hollow hole knot of taper
Structure, rolling resistance is low, and balance is good when running at high speed, and high safety is particularly suitable for road cycling；
(4) a kind of solid hollow out damping trouble-proof tire of the utility model, by the opening angle α of hollow hole control 5 °≤
α≤35 ° range, it is ensured that hollow out pore structure has both support effect and multiple damping effect, reaches excellent synthesis usability
Energy；
(5) a kind of solid hollow out damping trouble-proof tire of the utility model is equipped with counterbore in carcass side, hollow hole is set
In counterbore, this design can save the material consumption of production tire, reduce production cost, and can mitigate the weight of finished tire
Amount can also reduce the power consumption of electrically driven (operated) wheeled vehicle to reduce rolling resistance；
(6) a kind of solid hollow out damping trouble-proof tire of the utility model, the depth h for controlling counterbore are no more than where counterbore
The 1/5 of carcass thickness D at position can avoid entering impurity thing blocking hollow hole influence wheel balance degree and damping effect at counterbore
The occurrence of；
(7) a kind of solid hollow out damping trouble-proof tire of the utility model, hollow hole hole wall shape along carcass radial section
Shape is smooth curve, and impurity thing is difficult to find that equalization point stops in curve-like hollow hole, so the tire hollow hole of kind design
In be more difficult to the case where blocking, and the hollow hole stress of curve-like hole wall is more evenly dispersed, and damping effect is more preferable, is suitable for
In mountain bike；
(8) a kind of solid hollow out damping trouble-proof tire of the utility model is equipped with tread on tyre surface, increases grabbing for tire
Soil fertility increases stability when riding, is more suitable for mountain bike；
(9) a kind of solid hollow out damping trouble-proof tire of the utility model, hollow hole aperture is constantly subtracted by sidewall to middle part
Small design is so that in tyre production, and demoulding is easy, and hollow out pore structure is not easy to be damaged during demoulding, disposal molding
When, tire high yield rate；
(10) a kind of solid hollow out damping trouble-proof tire of the utility model, hollow hole middle part are equipped with interlayer, for convenience of taking turns
Tire makes in a mold, guarantees the degree of balance of finished tire, and there are interlayers in the middle part of final tire hollow hole obtained, by interlayer thickness
Degree control in a certain range, can play the role of slinky spring, promote tire damping performance, while guaranteeing to engrave in process
The compatible degree of emptying aperture mold core；
(11) a kind of solid hollow out damping trouble-proof tire of the utility model, hollow hole are staggered on sidewall, rode
Two sides hollow out pore structure is interlocked pressure-bearing in journey, the better effect of the balance and stability ridden.
Detailed description of the invention
Fig. 1 is the solid hollow out damping trouble-proof tire side view of the utility model；
Fig. 2 is the solid hollow out damping trouble-proof tire main view of the utility model；
Fig. 3 is the solid hollow out damping trouble-proof tire cross-sectional view of the utility model；
Fig. 4 is the solid hollow out damping trouble-proof tire schematic diagram of the utility model；
Fig. 5 is the solid hollow out damping trouble-proof tire main view that the utility model is equipped with counterbore；
Fig. 6 is the solid hollow out damping trouble-proof tire cross-sectional view that the utility model is equipped with counterbore；
Fig. 7 is the solid hollow out damping trouble-proof tire cross-sectional view that the utility model hollow out hole wall is smooth curve；
Fig. 8 is the solid hollow out damping trouble-proof tire that the utility model carcass surface is equipped with tread；
Fig. 9 is the enlarged drawing of A in Fig. 6；
Figure 10 is the upper mold main view for making the solid hollow out damping trouble-proof tire of the utility model；
Figure 11 is the upper mold sectional view for making the solid hollow out damping trouble-proof tire of the utility model；
Figure 12 is the lower mode host visual pattern for making the solid hollow out damping trouble-proof tire of the utility model；
Figure 13 is that the solid hollow out damping trouble-proof tire of the utility model is detached from schematic diagram from mold.
In figure: 1, carcass；10, tread；2, hollow hole；20, interlayer；3, counterbore；4, mold；40, upper mold；400, type
Chamber；401, hollow hole mold core；402, counterbore mold core；41, lower mold；42, injection orifice.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with attached drawing.
Embodiment 1
A kind of solid hollow out damping trouble-proof tire of the present embodiment, as shown in Figure 1, Figure 2 and Figure 3, including
Carcass 1；
Hollow hole 2 is the vestibule for being opened in 1 side of carcass；
The aperture of the hollow hole 2 is gradually reduced from 2 both ends of the surface of hollow hole to 2 middle part of hollow hole.
Hollow hole 2 is circumferential through the side that carcass 1 is arranged in, and to guarantee balance when tyre rotation, hollow hole 2 is uniform
Setting in 1 side of carcass, the shape of hollow hole 2 includes but are not limited to circle, ellipse, square, diamond shape, polygon etc.
The vestibule of shape, in view of round vestibule formed 2 stress of hollow hole when be evenly distributed, compared to other shapes vestibule, circle is engraved
The time of fatigue damage, damping effect was more preferable at most when emptying aperture 2 resists tire used, therefore the present embodiment is made using circular vestibule
For hollow hole 2.
Traditional hollow hole 2 is straight tube, when some impurity particle objects etc. are entered in hole, is generated when being rotated by tire
Centrifugal force, the hollow hole 2 of straight tube for traveling balance consideration is generally parallel to level road, if therefore impurity thing not by
Other active forces can be tightly attached to 2 hole wall of hollow hole under the influence of centrifugal force, be not easily disconnected from, impurity thing is accumulated in over time
Hollow hole 2 is blocked in hollow hole 2, in winter when hollow hole 2 in easily to occur to freeze be also the principle of similitude, hollow hole 2 is blocked meeting
It causes following risk: 1) increasing the quality of carcass 1, make resistance increasing when driving, increase traveling power consumption；2) hollow hole after blocking
2 lose the effect of stress damping；3) it blocks and is likely to have sharp object (such as stone) constantly contact in the impurity thing of hollow hole 2
And the carcass 1 of 2 hole wall of hollow hole is worn, the damage of carcass 1 is accelerated, Life of Tyre is seriously affected.
The present embodiment changes the straight-tube shape hole wall of hollow hole 2, make its hole without leave 2 both ends of the surface of hollow hole to the middle part of hollow hole 2
It is gradually reduced, just as horizontal hourglass from the point of view of the cross-sectional view of 1 radial section of carcass, as shown in figure 3, using the hole of this shape
Wall under the action of tire centrifugal force, is adjacent to hole wall when impurity thing enters hollow hole 2, but hole wall and non-horizontal in ground
Face, therefore impurity thing is not easy to obtain the support force of balance on hole wall and engraves so being easily detached from from hollow hole 2 to solve
The susceptible to plugging problem in vacancy.
Embodiment 2
A kind of solid hollow out damping trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 1, such as schemes
Shown in 3, it is applied to road cycling, the hollow hole 2 is made of centrosymmetric one group of bellmouth.
Compared to the hollow hole 2 of existing straight-tube shape, this taper pore structure of the present embodiment can arrive tire to hollow hole 2
This part carcass 1 in face plays the more support of strength and multiple cushioning effect, the carcass of existing straight-tube shape hollow hole 2, in the summer
It or hot road surface, when solid tyre softens, straight-tube shape hollow hole 2 can not be supported, so that tire landing ground greatly increases,
Even greater than solid plain greatly increases the running resistance of tire under this environment without hollow hole carcass, increases difficulty of riding, this
The hole wall of the taper pore structure of embodiment can support hollow hole 2 to arrive this part carcass 1 of tyre surface as skeleton, avoid hollow out
Solid tyre easily leads to the problem of tire landing ground increase, under the premise of guaranteeing hollow out solid tyre damping effect, reduces traveling resistance
Power, it is ensured that the comfort level ridden can achieve the effect for reducing power consumption for using the wheeled vehicle being driven by electricity.
Further, the tire of the symmetrical taper pore structure of the present embodiment is transmitted to hollow out via tyre surface when in use
Impact force at hole 2 is discharged to 2 both ends of hollow hole by buffering symmetrically by symmetrical bellmouth, while damping
The balance and stabilization that ensure that tire, suitable for the tire used when fast running.
Since road cycling is chiefly used in travelling in smooth-riding surfaces such as highway pavement, artificial hardening roads, and run at high speed
Application scenarios it is more, using the solid hollow out damping trouble-proof tire of the present embodiment, be not provided with the inner tube of a tyre, reduce between Tire & Tube
Rolling resistance；2 structure of hollow hole significantly reduces 1 weight of carcass, reduces the rolling resistance that tire generates again；The skeletal support in symmetric pyramid hole
The rolling that characteristic reduces tyre surface and road surface contact deformation generates hinders, and reply when this architectural characteristic reduces tire flexibility deformation
Resistance is rolled caused by pressure difference between the point of tire compression caused by lag and recurrent point.The tire applications of the present embodiment in highway from
Driving, rolling resistance is low, so that bicycle is reached higher kinetic energy conversion ratio, and symmetrical taper pore structure can be in damping by punching
Hit power symmetrically be buffered to 2 two sides of hollow hole, ensure that the balance of tire when being hit, road cycling high speed row
When sailing by impact force, the wheel balance of the present embodiment is higher, runs at high speed and is not easy when encountering impact compared to other tires
Disequilibrium ensure that the safety of bicyclist, have higher safety.
Embodiment 3
A kind of solid hollow out damping trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 2, such as schemes
Shown in 9, the opening angle of the hollow hole 2 is α, wherein 5 °≤α≤35 °.
The opening angle α of hollow hole 2 is the angle of hollow hole 2 side hole wall and 2 central axis of hollow hole, in Fig. 9
Shown in angular dimension.
It finds in actual use, the size of 2 opening angle of hollow hole affects hollow hole 2 and imitates to the support of tread portion
The damping effect of fruit and hollow out pore structure, and be shifting relationship between support effect and damping effect, through experiments, it was found that, it engraves
When the opening angle of emptying aperture 2 is less than 5 °, damping property is preferable, but hollow hole 2 meets hot environment shape to 1 part of carcass between tyre surface
Become larger, tire landing ground is larger, and running resistance greatly increases, and in this angular range, impurity thing is trapped in hollow hole 2
Probability rises significantly, increases the risk of the blocking of hollow hole 2；When the opening angle of hollow hole 2 is greater than 35 °, 2 structure of hollow hole
Support effect is significantly increased, and the rigidity of carcass 1 greatly increases, and reduces tire landing ground, and tire rolling resistance decreases, but
It is that tire damping performance is greatly reduced, bullet spring phenomenon easily occurs when riding, increases power loss；The experimental results showed that hollow hole
2 opening angles are excessive or the too small synthesis service performance for influencing whether tire, and 2 opening angle of hollow hole is maintained at 5 °≤α
≤ 35 °, tire has both support effect and multiple damping effect, and comprehensive service performance is higher.
Embodiment 4
A kind of solid hollow out damping trouble-proof tire of the present embodiment, further changes on the basis of embodiment 1 or 2 or 3
Into as shown in Figure 4, Figure 5 and Figure 6,1 side of carcass is equipped with counterbore 3, and hollow hole 2 is set in counterbore 3.
The present embodiment opens up counterbore 3 in 1 side of carcass and hollow hole 2 is set in counterbore 3, and tire is convenient in such design
The production of mold and the processing of tire, for the degree of balance for guaranteeing tire entirety, counterbore 3 is uniformly opened in 1 side of carcass, hollow out
Hole 2 is uniformly distributed in counterbore 3, as shown in figure 4, can two hollow holes 2 be located in a counterbore 3, can also a hollow out
Hole 2 is located in counterbore 3, can also three hollow holes 2 be located in a counterbore 3, and so on, as long as guaranteeing counterbore 3 and engraving
Emptying aperture 2 uniformly can greatly save material consumption under the premise of not influencing other performances of tire along carcass 1 is circumferentially distributed, reduce
Production cost reduces the weight of finished tire simultaneously, further reduced the rolling resistance of tire weight generation, improves tyre performance,
For electrically driven (operated) wheeled vehicle, adds counterbore 3 and design the power consumption that can be also further reduced driving wheel.
Embodiment 5
A kind of solid hollow out damping trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 2, such as schemes
Shown in 9, the depth h of the counterbore 3 is no more than the 1/5 of 3 position carcass of counterbore, 1 thickness D.
Although tire material consumption mitigation tire weight can be reduced by opening up counterbore 3 in 1 side of carcass, actually make
It will appear the case where impurity thing is accumulated at counterbore 3 when 3 depth h of counterbore is excessive with middle discovery, weakening damping effect can also draw
It rises and breaks away when riding, found through test of many times, the depth h control of counterbore 3 is being no more than 3 position carcass of counterbore
1 thickness D 1/5 when, although can accumulate a little impurity thing in corner at counterbore 3, impurity thing can not accumulate and block hollow out
Hole 2, and will not influence riding-balance degree.
Embodiment 6
A kind of solid hollow out damping trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 1, such as schemes
Shown in 7, the hollow hole 2 shape of hole wall along 1 radial section of carcass is smooth curve.
The shape of hole wall of polyline shaped is improved to the hole wall of smooth curve shape by the present embodiment, when impurity thing enters hollow hole 2
When, hole wall everywhere is different to its support forced direction, in the centrifugal force generated by tire rotation, it is extremely difficult to find
Equalization point, therefore the solid hollow out damping trouble-proof tire of the present embodiment, the anticlogging effect of hollow hole 2 will better than symmetrical tapers
Poroid hollow hole 2；2 uniform force of hollow hole of curve-like hole wall, 1 elasticity of carcass with this structure is more preferable, the effect of damping
Fruit is better than the hollow hole 2 of taper pore structure；The solid hollow out damping trouble-proof tire of the present embodiment returns after elastic deformation occurs
Pressure difference caused by multiple lag between tire compression point and recurrent point is larger, therefore rolls the hollow hole that resistance is greater than taper pore structure
2。
Carcass 1 part of the hollow hole 2 of the present embodiment from hollow hole 2 to tyre surface is equivalent to " hard spring ", guarantees to ride
Stability and guarantee are ridden road feel, and 2 structure of hollow hole is equivalent to " slinky spring ", carries out in time when being transmitted to hollow hole 2 by tyre surface
Damping.
Mountain bike is chiefly used in the bumpy sections such as hill path, and this section is uneven, and there are many impurity thing, and to traveling speed
Degree has many restrictions, and extremely difficult delay impurity thing is blocked at the solid hollow out damping trouble-proof tire hollow hole 2 of the present embodiment, curve
2 elasticity of hollow hole of shape hole wall structure is big, and damping effect is strong, under the speed of mountain bike application scenarios, the present embodiment wheel
Speed caused by tire rolling resistance influences can be neglected, and therefore, the tire of the present embodiment is used suitable for mountain bike.
Embodiment 7
A kind of solid hollow out damping trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 6, such as schemes
Shown in 8, it is applied to mountain bike, the tyre surface of the carcass 1 is equipped with tread 10.
The running environment of mountain bike has higher requirements to tire road holding, for guarantee tire when in use grab ground
Power, the solid hollow out damping trouble-proof tire tyre surface of the present embodiment are equipped with tread, tire drainability when in use, road holding,
Stability increases, and can more be competent at the application environment of mountain bike.
Embodiment 8
A kind of wheeled bicycle of the present embodiment, including
Car body；
Front-wheel uses the solid hollow out damping trouble-proof tire in embodiment 6；
Rear-wheel uses the solid hollow out damping trouble-proof tire in embodiment 5.
More specifically, car body, which serves, supports and fixes, and car body described in the present embodiment includes connection and wheel thereon
Hub and wheel rim, front-wheel and rear-wheel are arranged on the wheel rim for being fixed on corresponding position；
The specific structure of front-wheel includes:
Carcass 1；
Hollow hole 2 is the vestibule for being opened in 1 side of carcass；
The hole of hollow hole 2 is gradually reduced in the middle part of hollow hole 2 both ends of the surface to hollow hole 2 without leave；
The shape of hole wall along 1 radial section of carcass of hollow hole 2 is smooth curve.
The specific structure of rear-wheel includes:
Carcass 1；
Hollow hole 2 is the vestibule for being opened in 1 side of carcass；
The hole of hollow hole 2 is gradually reduced in the middle part of hollow hole 2 both ends of the surface to hollow hole 2 without leave；
Hollow hole 2 is made of centrosymmetric one group of bellmouth；
The opening angle of the hollow hole 2 is α, wherein 5 °≤α≤35 °；
1 side of carcass is equipped with counterbore 3, and hollow hole 2 is set in counterbore 3；
The depth h of counterbore 3 is no more than the 1/5 of 3 position carcass of counterbore, 1 thickness D.
Tread 10 is equipped on front-wheel and rear-wheel tyre surface.
The wheeled bicycle of the present embodiment, front-wheel use mountain bike tire, daily when riding, after center of gravity concentrates on
Wheel is born, this just easily leads to front-wheel can be unstable, and front-wheel mainly controls direction of traffic in riding, and front-wheel road holding is insufficient, is being run
The section winnowed with a dustpan can vehicle balance direction more difficult to control, cause to overturn, thus select the application designed by mountain as described in Example 6
Ground bicycle tire guarantees tire road holding in tyre surface setting tread 10, and damping effect effectively prevent jolting by force influencing direction
Unbalance, hollow hole 2 guarantees the road feel ridden and stability to " hard spring " funtion part between tyre surface, convenient for bicyclist to direction
Control；The rear-wheel of the present embodiment uses road cycling, since rear-wheel bears relatively weight when riding, and is braked wheel,
Therefore rear-wheel rolling resistance influences experience of riding very big, and if rear-wheel rolling resistance is big, riding can be very laborious, therefore selects such as embodiment 2
Road cycling tire tire described in~5 any one, this tire construction rolling hinder low, kinetic energy high conversion rate when riding,
Efficiency of riding can be greatly improved；The characteristics of when the present embodiment is ridden for bicycle wheels, devises corresponding front and back wheel knot
Structure ensure that stability, safety and comfort level when cycling.
The wheeled bicycle of the present embodiment is suitable as urban commuter car use.
Embodiment 9
A kind of solid hollow out damping trouble-proof tire of the present embodiment, makees on the basis of Examples 1 to 7 any one into one
Step is improved, and as shown in figure 13, the injection of solid hollow out damping trouble-proof tire, hollow and vulcanization process are complete in same mold 4
At.
The solid hollow out damping trouble-proof tire of the application is the disposable straight forming in mold 4, respectively in upper mold and
Molding upper half tire such as (a) in Figure 13 is shown in lower die, then lower half tire is sloughed upper mold lower die and obtained as shown in (b) in Fig. 9
To complete molding tire, as shown in figure 13, in demoulding, the engraved structure of traditional straight tube hollow hole tire in demoulding by
In stress reason, easy mold release, is not easily damaged, thus cause defect rate high, the hollow out pore structure of the application, from sidewall to middle part
Aperture constantly reduces, and the difficulty of demoulding is less than traditional straight-tube shape hollow out pore structure, therefore can be with disposal molding, and yield rate
It is high.
The method that the present embodiment makes solid hollow out damping trouble-proof tire is as follows:
A, it plasticates: rubber raw materials is plasticated into flow-like rubber mass；
B, it molds: closing up mold 4 to form die cavity, by die cavity vacuum state, and be heated to 100~150 DEG C；
C, it injects: in the rubber mass injection die cavity after plasticating, molding is stood after filling, injection temperature is 60~100 DEG C,
Time of repose is 5~50s；
B, gas injection: being 0.9~4.9MPa to the hollow injection pressure position pressure of die cavity, and the high temperature that temperature is 100~180 DEG C is high
It calms the anger body；
E, vulcanize: vulcanisation operation being carried out to tire, the duration is 600~800s；
F, pressure release pressure release: is carried out to the high temperature and high pressure gas of inside tires；
G, it is opened: opening mold 4, take out tire.
Embodiment 10
A kind of solid hollow out damping trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 9, such as schemes
10, shown in Figure 11 and Figure 12, the mold 4 includes:
Upper mold 40 offers the type chamber 400 for forming half of carcass 1 thereon, and type chamber 400 is equipped with to be engraved for forming
The hollow hole mold core 401 of emptying aperture 2 and the counterbore mold core 402 for being used for molding counter bore 3；
Lower mold 41, shape and upper mold 40 are symmetrical；
Injection orifice 42 is opened in 41 side of upper mold 40 and/or lower mold, and is connected to type chamber 400.
In the mold 4 of the present embodiment, the rubber mass after plasticating is entered after type chamber 400 by injecting in injection orifice 42 respectively upper
Half of tire is formed on mold 40 and lower mold 41, entire tire is directly formed to after subsequent gas injection, vulcanisation operation, is opened
Finished product can be obtained in upper and lower mould, is bent into tire, this reality after strip first is made in tire compared to existing tyre production method
It applies and makes molding wheel balance Du Genggao in the mold 4 of example, manufacture craft is simpler, saves production cost, and the present embodiment
4 type chamber 400 of mold and the simple easy processing of mold insert structure, demoulding difficulty is low, molding high yield rate.
Further, the present embodiment is equipped with multiple groups mold 4, and every group of mold 4 is fixed seat in the plane, and rubber mass injection device is note
Platform is penetrated, injection pedestal is movable seat in the plane, it can be moved between multiple fixed seats in the plane, since the vulcanization waiting time is longer, injection
Pedestal can inject next group of mold 4 during waiting vulcanization, save the time of tire production process, one-to-many progress
Tire production saves space, energy consumption, further increases production efficiency.
Embodiment 11
A kind of solid hollow out damping trouble-proof tire of the present embodiment, is further improved, such as on the basis of embodiment 10
Shown in Fig. 6 and Fig. 9, interlayer 20 is equipped in the middle part of the hollow hole 2.
When manufacturing mold 4, it is contemplated that tire building process carries out at high temperature under high pressure, such as by hollow out in upper and lower mould
Hollow hole 2 is full through may be because of temperature in actual tire forming process after the mold core in hole is cast as being fully engaged i.e. die sinking
The influence of degree or pressure makes mold 4 slightly deformation occurs, hollow hole mold core 401 may will affect the effect of molding to influence at
The degree of balance of type tire can make the hollow hole of upper and lower mould when making mold 4 so guaranteeing yield rate for the ease of manufacture tire
There are a fixed gap between mold core 401, there are certain interlayers 20 in the middle part of molding tire hollow hole 2.
The interlayer 20 of the present embodiment is the thin layer that thickness is no more than 8mm, and when thickness is more than 8mm, interlayer 20 will affect wheel
The damping property of tire influences experience of riding, and when thickness control is in 8mm, interlayer 20 plays the role of slinky spring, facilitates lifting wheel
The damping performance of tire.
Embodiment 12
A kind of solid hollow out damping trouble-proof tire of the present embodiment, is further improved on the basis of embodiment 1, described
The hollow hole 2 of 1 two sides of carcass is arranged in a one-to-one correspondence or arranged in a crossed manner.
Hollow hole 2 can be arranged in a one-to-one correspondence on two sidewalls, i.e. the corresponding hollow hole in two sides is interconnected, can not also be one by one
Be correspondingly arranged it is i.e. arranged in a crossed manner, be between the hollow hole 2 of two sides it is disconnected, the aperture of hollow hole 2 by end face to middle part gradually
Under the premise of reduction, both set-up modes can play avoid impurity thing from accumulating in vestibule, the effect of damping.
Further, when the hollow hole 2 on two sidewalls is arranged, it is made to be staggered, i.e., two sides hollow hole 2 has connected component
But it is not one-to-one relationship, slightly misplaces, this set, which can effectively slow down 2 structural strength deficiency of hollow hole when riding, to be caused
The case where increase of tire landing ground increases riding resistance, hollow hole 2 can be strengthened under the premise of guaranteeing damping performance by being staggered
Structure prevents deformation excessive increase riding resistance when carcass 1 contacts road surface at hollow hole 2 as skeleton, when to guarantee to ride
The degree of balance of tire must guarantee that 2 numbers of hollow hole of two sidewalls setting are identical and are evenly arranged respectively.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (9)
1. a kind of solid hollow out damping trouble-proof tire, including,
Carcass (1)；
Hollow hole (2) is the vestibule for being opened in carcass (1) side；
It is characterized by:
The aperture of the hollow hole (2), from hollow hole (2) both ends of the surface to hollow hole (2), middle part, is gradually reduced.
2. a kind of solid hollow out damping trouble-proof tire according to claim 1, it is characterised in that: the hollow hole (2) by
Centrosymmetric one group of bellmouth is constituted.
3. a kind of solid hollow out damping trouble-proof tire according to claim 2, it is characterised in that: carcass (1) side
Equipped with counterbore (3), hollow hole (2) is set in counterbore (3).
4. a kind of solid hollow out damping trouble-proof tire according to claim 3, it is characterised in that: the depth of the counterbore (3)
Spend h is no more than counterbore (3) position carcass (1) thickness D 1/5.
5. a kind of solid hollow out damping trouble-proof tire according to claim 1, it is characterised in that: hollow hole (2) edge
Shape of hole wall is smooth curve on carcass (1) radial section.
6. a kind of solid hollow out damping trouble-proof tire according to claim 5, it is characterised in that: the tire of the carcass (1)
Face is equipped with tread (10).
7. a kind of solid hollow out damping trouble-proof tire described in any one according to claim 1~6, it is characterised in that: solid
The injection of hollow out damping trouble-proof tire, hollow and vulcanization process are completed in same mold (4), and the mold (4) includes:
Upper mold (40) is offered thereon for form the type chamber (400) of half of carcass (1), type chamber (400) equipped at
The hollow hole mold core (401) of type hollow hole (2) and the counterbore mold core (402) for being used for molding counter bore (3)；
Lower mold (41), shape and upper mold (40) are symmetrical；
Injection orifice (42) is opened in upper mold (40) and/or lower mold (41) side, and is connected to type chamber (400).
8. a kind of solid hollow out damping trouble-proof tire according to claim 7, it is characterised in that: in the hollow hole (2)
Portion is equipped with interlayer (20).
9. a kind of solid hollow out damping trouble-proof tire according to claim 8, it is characterised in that: carcass (1) two sides
The hollow hole (2) in face is arranged in a one-to-one correspondence or arranged in a crossed manner.
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| CN201920318513.5U CN209600176U (en) | 2019-03-12 | 2019-03-12 | A kind of solid hollow out damping trouble-proof tire |
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| CN201920318513.5U CN209600176U (en) | 2019-03-12 | 2019-03-12 | A kind of solid hollow out damping trouble-proof tire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774380A (en) * | 2019-03-12 | 2019-05-21 | 安徽世界村新材料有限公司 | A solid hollow shock-absorbing explosion-proof tire |
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2019
- 2019-03-12 CN CN201920318513.5U patent/CN209600176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774380A (en) * | 2019-03-12 | 2019-05-21 | 安徽世界村新材料有限公司 | A solid hollow shock-absorbing explosion-proof tire |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210922 Address after: No. 305, group 2, caosi village, Picheng Town, Pizhou City, Xuzhou City, Jiangsu Province, 221300 Patentee after: Zhang Wenqiang Address before: 243000 No.8 huolishan Avenue, Yushan Economic Development Zone, Maanshan City, Anhui Province Patentee before: ANHUI GVG NEW MATERIAL Co.,Ltd. |