CN208446738U - A kind of running shoes sole and application - Google Patents
A kind of running shoes sole and application Download PDFInfo
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- CN208446738U CN208446738U CN201821135251.0U CN201821135251U CN208446738U CN 208446738 U CN208446738 U CN 208446738U CN 201821135251 U CN201821135251 U CN 201821135251U CN 208446738 U CN208446738 U CN 208446738U
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Abstract
This application provides a kind of running shoes sole and application, the sole includes indsole and outsole, wherein said midsole includes: high rigidity EVA layer, soft EVA layer and the middle hardness EVA layer that upper and lower surface is successively in contact；Another surface of the middle hardness EVA layer is in contact with outsole；The hardness of the high rigidity EVA layer is 50C~55C, and the hardness of the soft EVA layer is 40C~45C.Herein described sole is mainly made of the EVA layer of three layers or more different hardness, which makes sole more bradyseism, further increases screen resilience, and more comfortable, bradyseism more preferably running shoes can be provided for consumer, meet the requirements at the higher level of consumer.In addition, the preparation process of herein described sole is simple, and save the cost, high financial profit.
Description
Technical field
This application involves footwear product technical field more particularly to a kind of running shoes sole and applications.
Background technique
The historical development of shoes is long, and it is the composition portion of apparel industry that footwear production, which is the important industry in China's light industry,
Point.According to object, manufacture craft and purposes etc. is worn, shoes have many classification methods.Wherein, sport footwear refers to that people are carrying out body
The shoes worn when movement are educated, generalized concept is specifically: appropriate exercise, body building, outdoor activity, amusement and profession
Shoes kind used in the training process of competitive sport and its regulation game campaign.
Running is a kind of daily convenient Physical Training；For the sport footwear that running uses, damping is mainly provided
The effects of property, stability, motion control.The structure of most sport footwears is broadly divided into three parts: for contact ground outer bottom (or
Claim outsole), the indsole between outer bottom and insole, and the upper member positioned at the entire top of shoes.With movement it is universal with
And people like movement, the requirement to the comfortable of road-work shoes, shock-absorbing function etc. is also higher and higher.
Utility model content
In view of this, the application provides a kind of running shoes sole and application, sole provided by the present application has preferably comfortable
Degree and damping resilience.
The application provides a kind of running shoes sole, including indsole and outsole, said midsole include:
High rigidity EVA layer, soft EVA layer and the middle hardness EVA layer that upper and lower surface is successively in contact；The middle hardness
Another surface of EVA layer is in contact with outsole；The hardness of the high rigidity EVA layer is 50C~55C, the soft EVA layer
Hardness is 40C~45C.
Preferably, the hardness of the middle hardness EVA layer is 46C~48C, the hardness of the soft EVA layer be 42C~
44C。
Preferably, the thickness ratio of the high rigidity EVA layer, soft EVA layer and middle hardness EVA layer is (4~5) mm:(5
~5.5) mm:(7~9) mm.
Preferably, the middle hardness EVA layer has double-layer structure, including upper surface layer and undersurface layer, the lower surface
Layer is in contact with outsole；The thickness of the undersurface layer is greater than the thickness of upper surface layer.
Preferably, the outsole is abrasive rubber layer, and the hardness of the abrasive rubber layer is 45C~50C.
Preferably, the running shoes sole is the sole of color polychrome.
Preferably, the high rigidity EVA layer, soft EVA layer and middle hardness EVA layer independently have engraved structure.Respectively
The area of engraved structure accounts for the 30%~40% of every layer of gross area, wherein top layer's accounting 40%, remaining about 35%, such as 34
~36%, 35~36%.
The application provides a kind of preparation method of running shoes sole, comprising the following steps:
Indsole is prepared by foam process；Said midsole includes: the high rigidity EVA layer, low that upper and lower surface is successively in contact
Hardness EVA layer and middle hardness EVA layer；The hardness of the high rigidity EVA layer is 50C~55C, the hardness of the soft EVA layer
For 40C~45C；
Said midsole is bonded with outsole, another surface of the middle hardness EVA layer of said midsole is in contact with outsole, obtains
Running shoes sole.
Preferably, the foam process specifically: use mode hopping method, ontology first projects, and foams, obtains again after each layer combination
Color is the indsole of polychrome.
The application provides a kind of road-work shoes, including running shoes sole described above.
Compared with prior art, the multilayer shock absorption soles that sole provided by the present application is at least three layers, in the sole
Bottom includes: high rigidity EVA layer, soft EVA layer and the middle hardness EVA layer that upper and lower surface is successively in contact；The middle hardness EVA
Another surface of layer is in contact with outsole；The hardness of the high rigidity EVA layer be 50C~55C, the soft EVA layer it is hard
Degree is 40C~45C.Herein described sole is mainly made of the EVA layer of three layers or more different hardness, the nonhomogeneous hardness stratiform knot
Structure makes sole more bradyseism, further increases screen resilience, and more comfortable, bradyseism more preferably running shoes can be provided for consumer, and satisfaction disappears
The requirements at the higher level of the person of expense.
In addition, the preparation process of herein described sole is simple, and save the cost, high financial profit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of running shoes sole provided by the embodiments of the present application；
Fig. 2 is C-C ' the portion size schematic diagram of sole provided by the embodiments of the present application；
Fig. 3 is D-D ' the portion size schematic diagram of sole provided by the embodiments of the present application；
Fig. 4 is B-B ' the portion size schematic diagram of sole provided by the embodiments of the present application；
Fig. 5 is the back angle scale diagrams of sole provided by the embodiments of the present application.
Specific embodiment
The technical scheme in the embodiment of the application is clearly and completely described below, it is clear that described embodiment
It is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model of the application protection
It encloses.
This application provides a kind of running shoes soles, including indsole and outsole, said midsole to include:
High rigidity EVA layer, soft EVA layer and the middle hardness EVA layer that upper and lower surface is successively in contact；The middle hardness
Another surface of EVA layer is in contact with outsole；The hardness of the high rigidity EVA layer is 50C~55C, the soft EVA layer
Hardness is 40C~45C.
Sole provided by the present application has better comfort level and damping resilience, is able to satisfy consumer to the higher of running shoes
It is required that.
Referring to Fig. 1, Fig. 1 is the structural schematic diagram of running shoes sole provided by the embodiments of the present application.In Fig. 1, top is divided into side
Depending on part, lower part is divided into bottom view part；1 is high rigidity EVA layer, and 2 be soft EVA layer, and 301 be the upper table of middle hardness EVA layer
Surface layer, 302 be the undersurface layer of middle hardness EVA layer, and 4 be outsole.
Sole provided by the embodiments of the present application includes indsole, and said midsole includes high rigidity EVA layer 1, this layer is most hard, point
Cloth provides certain stability in indsole top layer part.The hardness of the high rigidity EVA layer is 50C~55C, preferably
55C.The high rigidity EVA layer is the stratiform foaming that (ontology IP) is projected by EVA (ethylene-vinyl acetate copolymer) material body
Component, shape covers entire foot bottom, and has abutment wall.Foaming product is blended with soft, elasticity is good, resistance toization in EVA resin
Learn the performances such as corrosion；In the EVA resin that footwear material uses, vinyl acetate content is generally 15%~22%.In the tool of the application
In body embodiment, the high rigidity EVA layer has certain engraved structure, and the area of engraved structure accounts for this layer of gross area
40%；Mainly for the production of being vented in operating process.Wherein followed by bradyseism unsuitable hollow out is too many, in order to avoid can not meet movement
Demand and cause to collapse.
In embodiments herein, the upper surface of high rigidity EVA layer 1 can contact cushioning member, in following table face contact
The upper surface of the soft EVA layer 2 at bottom.The soft EVA layer is most soft component, and distribution in middle level, primarily serves bradyseism
Effect.The hardness of the soft EVA layer is 40C~45C, preferably 42C~44C, more preferably 42C.The soft
EVA layer is the stratiform foam unit that (ontology IP) is projected by EVA (ethylene-vinyl acetate copolymer) material body, and shape is covered
Cover entire foot bottom.In the specific embodiment of the application, the soft EVA layer has certain engraved structure, hollow out knot
The area of structure accounts for the 35%~36% of this layer of gross area；Mainly for the production of being vented in operating process.Wherein followed by bradyseism not
Suitable hollow out is too many, in order to avoid can not meet motion requirement and cause to collapse.
Herein described indsole includes middle hardness EVA layer, is distributed in lower layer, i.e., its upper surface contacts soft EVA layer,
Another surface contacts outsole；The middle hardness EVA layer is the soft component of moderate, mainly provides rebound effect.The middle hardness EVA
The hardness of layer is greater than 45C and is less than 50C, preferably 46C~48C, more preferably 48C.Similarly, the middle hardness EVA layer be by
EVA (ethylene-vinyl acetate copolymer) material body projects the stratiform foam unit of (ontology IP), and shape covers entire vola
Portion.In the specific embodiment of the application, the middle hardness EVA layer has certain engraved structure, and the area of engraved structure accounts for
The 35%~36% of this layer of gross area；Mainly for the production of being vented in operating process.Unsuitable hollow out is too wherein followed by bradyseism
It is more, in order to avoid can not meet motion requirement and cause to collapse.
Herein described sole is mainly combined by the EVA layer of three layers or more different hardness and is constituted, the nonhomogeneous hardness stratiform knot
Structure makes sole more bradyseism, further increases screen resilience.
In this application, the high rigidity EVA layer, soft EVA layer and middle hardness EVA layer can be single layer, can also be with
For multilayer.In embodiments herein, the middle hardness EVA layer has double-layer structure, including upper surface layer 301 and lower surface
Layer 302, undersurface layer 302 is in contact with outsole 4.Upper surface layer 301 is identical with hardness, the shape of undersurface layer 302, color,
Thickness can be different；Preferably, the thickness of the undersurface layer is greater than the thickness of upper surface layer.In preferred embodiment of the present application
In, the thickness ratio of the high rigidity EVA layer, soft EVA layer and middle hardness EVA layer is (4~5) mm:(5~5.5) mm:(7~
9)mm。
In addition, in a preferred embodiment of the present application, the color of said midsole can be polychrome, for example three colors or four colors, from
And obtain the multilayer shock absorption soles of color polychrome.The embodiment of the present application promotes the visualization science and technology of sole, can be by original simple
Several colors, which are changed to, is integrally formed polychrome mode hopping rainbow effect, and the demand in further satisfaction market provides more comfortable, bradyseism for consumer
More preferably with the stronger running shoes of visual impact sense.
Sole described in the embodiment of the present application includes outsole 4, directly with ground face contact.In this application, the outsole can
For abrasive rubber layer, entire foot bottom is covered, provides certain wear-resisting, on-slip and supporting role, while meeting the bradyseism of sole
Performance requirement.The hardness of the abrasive rubber layer is preferably 45C~50C, more preferably 47C.The embodiment of the present application preferably includes
Ultra-thin abrasive rubber layer, thickness is in 3.5mm hereinafter, such as 3.2~2.5mm.In addition, wear-resisting line of the application to the outsole
Road, color etc. are not particularly limited, and commonly used in the art, also settable pattern, LOGO etc. can be used.
This application provides a kind of preparation methods of running shoes sole, comprising the following steps:
Indsole is prepared by foam process；Said midsole includes: the high rigidity EVA layer, low that upper and lower surface is successively in contact
Hardness EVA layer and middle hardness EVA layer；The hardness of the high rigidity EVA layer is 50C~55C, the hardness of the soft EVA layer
For 40C~45C；
Said midsole is bonded with outsole, another surface of the middle hardness EVA layer of said midsole is in contact with outsole, obtains
Running shoes sole.
Method provided by the present application is prepared for more comfortable, more bradyseism running shoes sole, and due to process innovation, at this section
About, there is higher economic benefit.
The embodiment of the present application prepares indsole by foam process first, and said midsole includes multilayer bradyseism knot described above
Structure is combined by three layers or more of EVA material and is formed, and each layer of EVA hardness is different.The application can use traditional one
It is prepared by one layer of work pattern of layer, it is preferred to use foam process specifically: use mode hopping method, ontology first projects, each layer group
It foams again after conjunction, the indsole that color is polychrome can be obtained.
Wherein, the injection can be projected for disk, or AB is projected, and it is more excellent that AB projects production capacity.Two methods tool
Body are as follows: multigraph press elder generation ontology is worked it out one by one, and first layer and the second layer first combine, then this several layers of machine of mode hopping together hair
Bubble, last rubber substrate RB are combined；First layer and the second layer, which first combine, can reduce the probability that foaming has excessive color.Other one
A pressed out with the machine of cold pressing, and one piece one piece is removed mode hopping, and the mode hopping but too many layer puts in has been easy artificial operation factors
It will affect excessive color problem.The application preferably projects 3 layers of EVA with multigraph press, and sets two die parting lines, can run air, run color,
It is thus more preferable than above practice.
The embodiment of the present application uses 2 die parting lines breakthroughly, can solve the problems, such as the color that overflows.Specifically, 4 layers of knot are total up to
Structure, layer 1 have die parting line with one among layer 2, spilling are come more material and colour matting after fit；Layer 2 among layer 3 with increasing newly
One die parting line carrys out spilling more material and colour matting after fit.The purpose that die parting line is arranged is to be vented discharge；So
Early period requires 2 die parting lines afterwards, and needs certain thickness sole, and thickness is too thin cannot then to apply which.
In some embodiments of the present application, four color mode hopping methods can be used；Excessive color can be reduced by dividing four layers of IP to project operations,
The color that overflows also is reduced additionally by local engraved structure.The application can use hot pressing: material is placed on heating pressurization inside mold, so
It is formed afterwards in cooling；Can also be using cold pressing: material first heats, and is placed on molded in cold mold；It can be with secondary hot pressing: small
Mould foaming blank, then secondary hot pressing.In the specific embodiment of the application, using the cold mould shoe sole production process of IP is projected, project
Temperature is within the scope of 60~100 DEG C；It foams after each layer combination, expansion ratio can be 1.5, be then formed, wash, obtain indsole.
In addition, gained indsole such as can also be irradiated, paint at the process flows.
After obtaining indsole, it is bonded by the embodiment of the present application with outsole, so that assembling obtains sole.Wherein, described
Outsole is rubber material, can produce to obtain the rubber-sole according to common process.The hardness of the rubber-sole is preferably 45C~50C,
More preferably 47C.The embodiment of the present application preferably uses ultra-thin abrasive rubber bottom, and thickness is in 3.5mm or less.In addition, the application
The wear-resisting lines of the outsole, color etc. are not particularly limited, commonly used in the art, also settable pattern, LOGO can be used
Deng.
This application provides a kind of road-work shoes, including running shoes sole described above.The application is using described above
Sole, constitute whole shoes in conjunction with conventional upper component etc..The results showed running shoes provided by the embodiments of the present application have preferably
Comfort level, splendid bradyseism resilience performance etc..
For a further understanding of the application, have below with reference to embodiment to running shoes sole provided by the present application and application
Describe to body.
Embodiment
According to footwear sole construction shown in Fig. 1, indsole is prepared by foam process first: using mode hopping method, ontology first projects, respectively
It foams again after layer combination, obtains the indsole that color is polychrome.Said midsole includes: the high rigidity that upper and lower surface is successively in contact
EVA layer, soft EVA layer and middle hardness EVA layer；The hardness of the high rigidity EVA layer be 55C, the soft EVA layer it is hard
Degree is 42C.The hardness of the middle hardness EVA layer is 48C, including upper surface layer and undersurface layer.
Wherein, using four color mode hopping methods；Dividing four layers of IP to project operations reduces the colors that overflow, and also drops additionally by local engraved structure
(top layer's accounting 40%, 35%) remaining is to low excessive color.Using the cold mould shoe sole production process of IP is projected, projects temperature and be followed successively by
95/85/75/65℃；It foams after each layer combination, then expansion ratio 1.5 is formed, is washed, obtains indsole.In addition, in gained
Bottom such as is also irradiated, paints at the process flows.
After obtaining indsole, it is bonded with outsole, so that assembling obtains sole.Wherein, the outsole is rubber material
Matter produces to obtain the rubber-sole, hardness 47C according to common process.
The specific structure size of the sole referring to fig. 2-5, wherein high rigidity EVA layer, soft EVA layer, middle hardness
The upper surface layer of EVA layer, middle hardness EVA layer each thickness degree of undersurface layer be respectively 4.8mm, 5.5mm, 2.9mm, 5.4mm；
Rubber-sole thickness 2.5mm.The vertical range of spring heel highest point to touchdown point is 49.5mm；Along sole length direction, toe
Place, at middle waist followed by the abutment wall at place and the two sides arc radius of bottom are followed successively by R12/R7, R8/R6, R5/R5；Abutment wall highest point
Arc radius is R2.5, and abutment wall highest point width is 2.5mm, and abutment wall lowest point arc radius is R2.In addition, rubber-sole is contacted to earth
Face has some decorative pattern lines, and size no longer repeats one by one.
Instrument test is carried out to the performance of gained sole, result includes: that the rebound degree of gained sole is 63%；Hardness is
45C；Compressive deformation A:34%, B:37%；Density is 0.28g/cm3.Detection foundation includes: rebound degree-J86；Hardness-J56；Pressure
Compression deformation-J59；Density-J60.
Using the running shoes sole, road-work shoes are constituted in conjunction with conventional upper component etc..The performance test of the product shoes
It is 56.8%, half sole (being free of insole) rebound degree is 54.8% that result, which includes: half sole (containing insole) rebound degree,；Heel (contains insole)
Damping performance is 11.6G value, heel (without insole) damping performance be the damping property that (is free of insole) after 13.1G value followed by fatigue
It can be 14.6G value；Detection foundation is J4004.
As seen from the above embodiment, herein described sole is mainly made of the EVA layer of three layers or more different hardness, this is hard
Degree difference layer structure makes sole more bradyseism, further increases screen resilience, and more comfortable, bradyseism can be provided for consumer more preferably
Running shoes meet the requirements at the higher level of consumer.In addition, the preparation process of herein described sole is simple, and save the cost, economic benefit
It is high.
The above is only the preferred embodiment of the application, it is noted that for making the professional technique of the art
Personnel are that by various modifications to these embodiments under the premise of not departing from present techniques principle, and these
Modification also should be regarded as the range that the application should protect.
Claims (8)
1. a kind of running shoes sole, including indsole and outsole, which is characterized in that said midsole includes:
High rigidity EVA layer, soft EVA layer and the middle hardness EVA layer that upper and lower surface is successively in contact；The middle hardness EVA layer
Another surface be in contact with outsole；The hardness of the high rigidity EVA layer is 50C~55C, the hardness of the soft EVA layer
For 40C~45C.
2. running shoes sole according to claim 1, which is characterized in that the hardness of the middle hardness EVA layer is 46C~48C,
The hardness of the soft EVA layer is 42C~44C.
3. running shoes sole according to claim 1, which is characterized in that the high rigidity EVA layer, soft EVA layer and in
The thickness ratio of hardness EVA layer is (4~5) mm:(5~5.5) mm:(7~9) mm.
4. running shoes sole according to claim 3, which is characterized in that the middle hardness EVA layer has double-layer structure, including
Upper surface layer and undersurface layer, the undersurface layer are in contact with outsole；The thickness of the undersurface layer is greater than upper surface layer
Thickness.
5. running shoes sole according to any one of claims 1 to 4, which is characterized in that the outsole is abrasive rubber layer,
The hardness of the abrasive rubber layer is 45C~50C.
6. running shoes sole according to any one of claims 1 to 4, which is characterized in that the running shoes sole is that color is more
The sole of color.
7. running shoes sole according to any one of claims 1 to 4, which is characterized in that the high rigidity EVA layer, low hard
Degree EVA layer and middle hardness EVA layer independently have engraved structure.
8. a kind of road-work shoes, including running shoes sole according to any one of claims 1 to 7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821135251.0U CN208446738U (en) | 2018-07-17 | 2018-07-17 | A kind of running shoes sole and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821135251.0U CN208446738U (en) | 2018-07-17 | 2018-07-17 | A kind of running shoes sole and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108903127A (en) * | 2018-07-17 | 2018-11-30 | 安踏（中国）有限公司 | A kind of running shoes sole, preparation method and application |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108903127A (en) * | 2018-07-17 | 2018-11-30 | 安踏（中国）有限公司 | A kind of running shoes sole, preparation method and application |
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