CN104041990A

CN104041990A - Shoes Soles

Info

Publication number: CN104041990A
Application number: CN201310192312.2A
Authority: CN
Inventors: 成昊东
Original assignee: Cheil Industries Inc
Current assignee: Cheil Industries Inc
Priority date: 2013-03-11
Filing date: 2013-05-22
Publication date: 2014-09-17
Also published as: KR101418672B1

Abstract

An embodiment of the present invention relates to a shoe sole. The shoe sole according to an embodiment of the present invention comprises: a first midsole having a plurality of first concave parts and a plurality of first convex parts formed alternately on a lower surface; a second midsole having a plurality of second convex parts, which face the first concave parts, and a plurality of second concave parts, which face the first convex parts, formed on an upper surface facing the lower surface of the first midsole; an elastic layer arranged between the first midsole and the second midsole; and an outsole attached to the lower surface of the second midsole.

Description

Sole

Technical field

Embodiments of the invention relate to sole, are specifically related to improve the sole of impact absorbency and elastic restoring force simultaneously.

Background technology

Conventionally footwear are for the protection of people's pin, and when people is in the time walking or run, footwear protection people's pin is in order to avoid be subject to the impact of external environment condition.But when people is in walking or while running, the suffered loading of pin is quite large.If the ground reaction force while utilizing pressure plare analysis to run, the size of the pressure at right angle between known shown ground and pin is approximately 2 times to 3 times of body weight.

Thereby, require sole to possess the function that the impact to passing to sole is alleviated.If the impact that sole passes over from ground when cannot absorbing fully people in walking or running, closes the factor that festival-gathering degeneration occurs or also may become pain in the back.

In order to absorb like this and be applied to sizable impact of sole to can not cause burden to Musculoskeletal in the time to walk or run fully, sole carrys out impact-absorbing by the hardness of utilizing multiple buffer unit or reduction sole self.

But, the resilience that should increase when not only having required sole to possess to tramp with one's feet the absorbability of the impact that should reduce while stepping on ground but also having required sole to possess pin from surface separation.But sole is got over impact-absorbing, ground reaction force more reduces, and therefore between impact absorbency and resilience, has the characteristic of antinomy.

Existing sole depends on the impact absorbency that raw material has and merely plays cushioning effect, therefore, in the time manufacturing sole with the good raw material of impact absorbency, exists and is difficult to improve the resilience of sole and the problem of durability.

Summary of the invention

Embodiments of the invention provide the sole that not only structurally simultaneously improves impact absorbency and elastic restoring force but also weight saving.

According to embodiments of the invention, sole comprises: bottom surfaces be alternately formed with multiple the first recesses and multiple the first protuberances first in the end; The opposed upper side of the bottom surfaces at the end in described first, be formed with opposed multiple the second protuberances of described multiple the first recess and with opposed multiple the second recesses of described multiple the first protuberance second in the end; Be disposed in described first the elastic layer at the end at the end and described second; And the outer bottom engaging with the bottom surfaces at the end in described second.

When in described first,, the end, is applied in pressure at the end and described second, thereby described the first protuberance and described elastic layer are together engaged in described the second recess all or a part is accommodated, thereby and described the second protuberance be together engaged in described the first recess all or a part of being accommodated with described elastic layer.In addition,, when the end is disengaged pressure at the end and described second in described first, can carry out elasticity recovery by described elastic layer.

At above-mentioned sole, can be formed with dimpled grain in bottom surfaces described outer bottom, that contact with ground.

According to embodiments of the invention, sole not only structurally improves impact absorbency and elastic restoring force simultaneously, but also can weight reduction.

Brief description of the drawings

Fig. 1 is the side view cutaway drawing of sole according to an embodiment of the invention.

Fig. 2 to Fig. 4 is the side view cutaway drawing of the active state of the sole of pictorial image 1.

Detailed description of the invention

Below, embodiments of the present invention will be described in detail with reference to the accompanying drawings, makes those skilled in the art can easily implement the present invention.The present invention can implement with multitude of different ways, and it is not limited to embodiment described herein.

This to illustrate accompanying drawing be concise and to the point property illustrate.Exaggerate for the facility of the clarity in accompanying drawing and explanation or dwindled relative size and the ratio of the part in accompanying drawing, size, only for the present invention is exemplarily described, is not for invention is limited arbitrarily.In addition, use identical Reference numeral for feature like representation class for the identical works, key element or the parts that occur in plural accompanying drawing.

Embodiments of the invention specifically represent the preferred embodiments of the present invention.Thereby can be contemplated to diagram has various deformation.Thereby embodiment is not limited to the ad hoc fashion of illustrated scope, for example, also comprise the model deformation being caused by manufacture.

Referring to figs. 1 through Fig. 3, the sole 101 according to first embodiment of the invention is described below.

As shown in Figure 1, sole 101 comprises in first the end 30, elastic layer 40 and outer bottom 50 at the end 20, second.

In Fig. 1, Reference numeral 10 represents the upper of a shoe of footwear.Upper of a shoe 10 is incorporated into according on the sole 101 of one first embodiment of the present invention, so that the whole or a part of of the pin of wearer are coated and are protected.Upper of a shoe 10 can have various shape, and is not only the pin of wearer, and it can also be coated ankle protected.

In first,, the end 30, can form by raw material outstanding by the absorbability of impacting than elastic layer 40 and lightweight at the end 20 and second.As an example, in first,, the end 30, can be by polyurethane (Polyurethane at the end 20 and second, PU), ethylene-vinyl acetate (Ethylene-Vinyl Acetate, EVA) 1 above raw material and in molding ethylene-vinyl acetate (Molded EVA, Phylon) forms.

But one embodiment of the invention is not limited to above-mentioned explanation.In first,, the end 30, can be formed by the known plurality of raw materials of person of ordinary skill in the field at the end 20 and second.

In first, the end 20, comprises and is alternately formed at bottom surface, i.e. multiple the first protuberances 21 and multiple first recess 22 of bottom surfaces.

In second, the opposed upper side in the end 20 in first comprises at the end 30: with first in multiple the first recesses 22 opposed multiple second protuberances 31 respectively at the end 20; And with first in multiple the first protuberances 21 opposed multiple second recesses 32 respectively at the end 20.

In first, first protuberance 21 at the end 20 is formed as it all or a part can be contained in the shape of second recess 32 at the end 30 in second, and second protuberance 31 at the end 30 is formed as it all or a part can be contained in the shape of first recess 22 at the end 20 in first in second.

In addition, in one embodiment of this invention, in first,, the end 30, not only forms with the raw material of relative lightweight at the end 20 and second, and in first at the end 20 and second end 30 there are respectively multiple the first recesses 22 and multiple the second recesses 32, therefore, compare the entirety size of sole 101, can effectively realize lightweight.

Elastic layer 40 is disposed in first at the end 20 and second at the end 30.Elastic layer 40 is by forming than the ends 30 good raw material of screen resilience at the end 20 and second in first.As an example, elastic layer 40 can be by thermoplastic polyurethane (Thermoplastic Polyurethane, TPU), the above raw material of 1 in thermoplastic elastomer (Thermo Plastic Rubber, TPR) and polyether block amide (Polyether-block-amide, PEBAX) forms.

But one embodiment of the invention are not limited to above-mentioned explanation, elastic layer 40 can by person of ordinary skill in the field known, can realize strain and the good plurality of raw materials of elastic restoring force forms.

Outer bottom 50 is engaged in the bottom surfaces at the end 30 in second.When wearer is in the time walking or run, outer bottom 50 directly contacts with ground.Can be formed with dimpled grain (groove pattern) 59 in the bottom surfaces contacting with ground of outer bottom 50.The dimpled grain 59 of outer bottom 50 is effectively anti-skidding on the ground that is formed with moisture film, and pierces ground on the ground of lawn or softness, grabs ground effect thereby can produce.

According to formation as above, sole 101 not only structurally improves impact absorbency and elastic restoring force according to an embodiment of the invention, but also can weight reduction.

Illustrate the action effect of sole 101 according to an embodiment of the invention with reference to Fig. 2 to Fig. 4 below.

First, as shown in Figure 2, when wearer walking or while running sole 101 contact with ground G D and cause pressure be applied to first in the end 20 and second when the end 30, in first first protuberance 21 at the end 20 and elastic layer 40 be together engaged in the end 30 in second the second recess 32 and all or a part accommodated, and in second the second protuberance 31 and the elastic layer 40 at the end 30 be together engaged in the end 20 in first the first recess 22 and all or a part accommodated.Now, there is strain and impact-absorbing in elastic layer 40 not only, and in first in first recess 22 and second at the end 20 second recess 32 at the end 30 play the effect of cushion space, thereby structure impact-absorbing.

In addition, multiple the first recesses 22 work respectively with multiple the first protuberances 21 independently with multiple the second protuberances 31 and multiple the second recesses 32, therefore can by pass to because of the injustice of ground G D wearer sole inhomogeneous, disperse to alleviate from the impact of ground G D.

In addition, as shown in Figure 3, when be applied to first in the time that wearer is being walked or run in,, the pressure at the end 30 disappears at the end 20 and second, by the elastic restoring force of elastic layer 40, in second, second protuberance 31 at the end 30 leaves first recess 22 at the end 20 in first, and in first, first protuberance 21 at the end 20 leaves second recess 32 at the end 30 in second, and resilience is provided thus.

In addition, Fig. 4 illustrates the sequence of sole 101 (sequence) according to an embodiment of the invention.

As shown in Figure 4, when wearer is put on while having used that the footwear of sole 101 are run according to an embodiment of the invention,, and follow to leave resilience is provided forward with direction the first protuberance 21 and the second protuberance 31 is contained in respectively the second recess 32 successively and the first recess 22 carrys out impact-absorbing from the heel of footwear.

As mentioned above, according to one embodiment of the invention, sole 101 not only can absorb the impact being applied in when wearer is trampled ground G D effectively, but also resilience can be effectively provided at wearer in the time that ground G D carries pin.

Above, with reference to accompanying drawing, embodiments of the invention are described, can implement in other specific ways but those skilled in the art can understand the present invention under the prerequisite that does not change technological thought or essential feature.

Therefore be interpreted as, embodiment described above only goes up in all fields for the present invention is exemplarily described, and and is not used in the present invention is limited.Should be interpreted as, scope of the present invention and summary of the invention determined by claims of the present invention, and the mode of all modifications of deriving from the concept of claims and scope and equivalents or distortion should be within the scope of the present invention.

Reference numeral

10: upper of a shoe; The end in 20: the first; 21: the first protuberances; 22: the first recesses; The end in 30: the second; 31: the second protuberances; 32: the second recesses; 40: elastic layer; 50: outer bottom; 59: dimpled grain; 101: sole.

Claims

1. a sole, wherein, comprising:

The end in first,, it is alternately formed with multiple the first recesses and multiple the first protuberance in bottom surfaces;

The end in second, the opposed upper side of bottom surfaces at its end in described first, be formed with opposed multiple the second protuberances of described multiple the first recess and with opposed multiple the second recesses of described multiple the first protuberance;

Elastic layer, it is disposed in described first at the end and described second at the end; And

Outer bottom, it engages with the bottom surfaces at the end in described second.

2. sole according to claim 1, wherein,

When in described first,, the end, is applied in pressure at the end and described second, thereby described the first protuberance and described elastic layer are together engaged in described the second recess all or a part is accommodated, thereby and described the second protuberance and described elastic layer are together engaged in described the first recess all or a part is accommodated

When the end is disengaged pressure at the end and described second in described first, carry out elastic recovery by described elastic layer.

3. sole according to claim 1 and 2, wherein,

Be formed with dimpled grain in bottom surfaces described outer bottom, that contact with ground.