KR100788255B1 - The multi sole for shoes - Google Patents

Abstract

A multiple sole structure is provided to increase shock absorption efficiency by varying shock absorption amount according to an amount of shock and, at the same time, to improve restoring force of the sole. A multiple sole structure includes a sole(21) having a plurality of reentrant grooves(C), each being upwardly open; at least one piece of cushion(24) having a plurality of ventilation holes, each of which has a center coincident with the center of each of the reentrant grooves; at least one projection plate(22) having a plurality of projections(E) formed in a downward direction to be inserted into the reentrant grooves in one-to-one correspondence after passing through the holes; and an insole laminated on the upper face of the sole including the projection plate.

Description

Multi sole for shoes for shock absorption {The multi sole for shoes}

1 is a side view of a conventional shoe for shock absorption.

Figure 2 is a cross-sectional view of the shoe applied to the first embodiment of the present invention multiple floors.

3 is a view showing a coupling state of the sole and the projection board for the first embodiment of the present invention multi-floor,

  (A) is a plan view showing a state where one projection board is coupled,

  (B) is a plan view showing a state where three projection boards are coupled.

Figure 4 is a cross-sectional view of the sole and the projection board for the second embodiment multi-floor of the present invention.

Figure 5 is a cross-sectional view of the sole and the projection board for the third embodiment of the present invention multi-floor.

Figure 6 is a cross-sectional view of a cushion member for a third embodiment of the present invention multi-floor.

7 is a partial cross-sectional view of a fourth floor of the fourth embodiment of the present invention.

8 is a partial sectional view of a multi-floor of the fifth embodiment of the present invention.

          ((Explanation of symbols for main part of drawing))

    11,21. Outsole 12,24. Cushion member 13. Shoe body

    22. Protuberance 23. Midsole 25. Integrated midsole

    26. Dolphin Pin

    C. Concave groove E. Protrusion E1. Upper projection

    E2. Lower protrusion H. Through hole h. Height

    G. Floor S. Space

The present invention, a plurality of concave grooves are formed on the upper surface of the shoe sole, a plurality of projections inserted into each of the concave groove grooves on the upper surface of the sole after laminating a plate-like projection piece protruding on the bottom surface By stacking the midsole, the shock absorber is relieved by the sole of the shoe, and the shock absorber allows the protrusion to be quickly restored to its original position while allowing the secondary shock to be absorbed as the protrusions adhere to the bottom of the recess when the sole shrinks. It relates to a multi-floor floor for shoes.

The shoes that have been developed as a person walks have developed dramatically with the development of science and technology and various new materials. Today, shoes for various purposes are suitable for various activities such as walking, mountain, body correction, and specific exercise. Are being made.

In particular, as the importance of health has emerged, sports shoes have made great strides, and new materials and structures have been continuously developed. However, in terms of physical health, the first thing to be solved is the breathability. And cushioning problem.

The problem of breathability is that almost all shoes except slippers have almost a closed shape inside, except for slippers, in order to achieve the basic purpose of enveloping and protecting the feet. Due to the nature of the shoes there are fundamentally inevitable aspects, but the development of various materials with excellent breathability and various ventilation structures suitable for shoes have been developed.

More important in terms of physical health as compared to the breathability is cushioning, if the shoes are not cushioned, the foot is not only easy to feel the fatigue, but also the impact of contact with the soles of the shoe and the ground is transmitted to the brain through the spinal cord to the body Shoes should have sufficient cushioning because they are known to have a negative impact.

Although the problem of cushioning has been solved in many parts by the development of various materials having excellent shock absorbing properties, it is not possible to solve all of the problems of cushioning by using only materials having excellent cushioning properties.

In other words, the cushioning properties of the shoes should be dependent on the magnitude of the impact force applied to the shoes. In the case of a simple walking or jogging shoe, the cushioning problem can be solved only by the soft and fluffy material, but such as basketball or volleyball In the case of sports shoes accompanied by movement and jump, it is not easy to solve the problem of cushioning by material alone.In the case of sports shoes, various cushion structures such as an air chamber are applied to the inside of the shoe sole and the cushioning material is excellent Is used in parallel.

As described above, the cushioning properties of the shoes should be different according to the use of the shoes, and in the case of athletic shoes, in particular, the bottom of the shoe sole has to be in contact with the floor in order to improve adhesion to the bottom.

That is, almost all conventional shoes have the entire bottom of the sole touching the floor, and the impact of contact between the sole and the sole of the shoe is transmitted to the brain through the rear end of the sole, the heel, and the spine. Shoes have been developed that incorporate an air cushion inside the heel (Korean Utility Model Publication No. 95-2742) or an elastic body (Korean Registration Utility Model Publication No. 226048). By combining the material with excellent cushioning properties to the part to improve the cushioning of the shoes to be transmitted to the brain to reduce as much as possible.

However, since the contact between the rear end and the bottom of the sole bottom of the shoe can not be avoided during walking, the fundamental impact caused by the contact of the rear end and the bottom of the sole bottom cannot be reduced.

In order to solve the problems of the conventional shoe, the rear end of the bottom of the shoe sole is not in contact with the floor, or the heel portion of the shoe sole is removed so that the contact is very flexible. Shoes have been developed.

That is, as shown in FIG. 1, the shoe is inclined upwardly at the heel of the shoe sole 11 so that the end of the bottom of the sole is separated from the bottom G by the height h. As such, the sole of the shoe having such a structure has a thicker portion of the insole that is not lifted in order to maintain the upper surface of the shoe in a similar state to that of the insole, whereby the cushioning property is improved as compared to the conventional sole. By moving the contact area between the sole and the sole forward, it is possible to reduce the fundamental impact strength due to the contact of the rear end of the sole bottom with the sole.

Furthermore, the shock absorption is maximized by interposing the cushion member 12 with good shock absorption between the upper rear end of the upwardly inclined sole 11 and the rear rear end of the shoe body 13.

However, the shock absorbing structure or cushion member applied to most conventional shoes, including a shoe lifted the bottom end of the rear end of the sole, has the problem of showing the same shock absorbing behavior even if the amount of impact changes.

That is, the cushion member or the shock absorbing structure applied to the shoe merely absorbs the shock in such a manner that only the amount of compression increases or decreases according to the amount of impact, and the amount of impact that can be absorbed because the impact absorption behavior does not change according to the amount of impact. It is limited, the shock absorption range also has a problem that must be limited.

In addition, in the case of a shock absorbing structure applied to the sole of the entire shoe including the sole for absorbing the shock, the structure is generally a composite, or a structure that is combined with a separately manufactured air tube, etc., the productivity is increased, the problem of increasing the manufacturing cost Have got

The present invention was devised to solve various problems of the conventional shock absorbing structure or cushion member applied to a shoe sole, and has a simple structure so as not to reduce manufacturing productivity and to change the shock absorbing behavior according to the amount of impact. It is an object of the present invention to provide a multi-floor for shoes for shock absorption to be able to absorb the impact more efficiently, and at the same time excellent in resilience.

The above object of the present invention is achieved by a protrusion substrate having a plurality of protrusions protruding from the bottom.

In the multiple flooring material for shoes for shock absorption of the present invention, the shock is primarily absorbed by the cushioned sole, and the protrusions spaced apart from the sole are in contact with the inside of the sole, and at the same time, the second shock is absorbed. The technical feature is to allow the claw to quickly return to its original position while acting as a support rod.

As described above, the multiple flooring material for the shock absorbing of the present invention, in which the shock transmitted through the sole of the repulsion is absorbed in the second step, includes: a sole having a plurality of upwardly open recessed grooves formed on an upper surface thereof; A protrusion plate having a plurality of protrusions inserted into the recess grooves in a one-to-one correspondence downward on the bottom thereof; It consists of a plate-shaped midsole that covers the upper surface of the projection including the sole.

At this time, the bottom surface area of the protrusion plate is not larger than the top surface area of the sole, depending on the use of the shoe and the shape of the foot, so that a plurality of protrusions on the upper surface of the sole does not overlap each other, if necessary, in various areas or required It can be stacked on specific areas or all.

That is, the projection board may be composed of one piece smaller in size than the sole, a plurality of pieces smaller than the sole, or one piece having substantially the same size as the sole area.

The projection protruding downwardly on the bottom of the projection is in a state in which the lower end thereof does not touch the bottom of the recessed groove in a simple lamination state in which no load is applied.

As described above, when the outer load is applied so that the sole and the midsole are facing each other in a state in which the sole, the projection board and the midsole are stacked, the sole compresses and absorbs the load first, and the sole compresses the depth of the recess groove. As the depth becomes shallower, the lower end of the protrusion protruding from the bottom of the protrusion reaches the bottom of the recessed groove.

In this way, the load distributed on the entire bottom surface of the protrusion plate except the protrusion is compressed while pressing the upper surface of the sole in close contact with the bottom, and the bottom of the protrusion touches the bottom of the recess groove to absorb the load additionally. At the same time, while the projection serves as an elastic column to support the projection plate with respect to the bottom of the recess groove can be maintained in a stable position.

That is, in the initial period of impact, the upper surface of the sole moves downward and absorbs the impact, and then the impact transmitted only to the upper surface of the sole from the moment when the projection touches the bottom of the recess is distributed to the bottom of the recess. The bottom of the recessed groove located lower than the top of the sole absorbs the shock.

The shock absorption efficiency is further improved by the shock absorption behavior as described above, which can be described as follows.

If the sole is a fully elastic body, i.e., a fully elastic body in which the compressive loads imparted to each other on one side from one end to the other end and from one end to the other end are evenly transmitted over the entire length between the two ends, When a compressive load is applied, the whole is uniformly compressed regardless of the position between both ends.

However, if it is not a complete elastic body, the compressive load imparted from one end to the other end is not uniformly transmitted to the other end and the magnitude of the compressive load decreases from each end to the other end.

That is, when the compressive load applied to the elastic body is small, only the part is compressed while the compressive load is applied to each end portion or the part adjacent to the compressive load, and the compressive load is not applied to the part out of the compressive load. It is in an uncompressed state.

Therefore, although there are some differences depending on the material of the sole, when a compressive load is applied to the sole through the protrusion plate, the upper and bottom surfaces of the sole are compressed to the opposite side, but the compressive load is transmitted to the center of the sole according to the magnitude of the load. In this case, this means that only the central part has the capacity to absorb the compressive load further.

Therefore, while absorbing the shock through both ends, i.e., the upper surface and the lower surface, the projections can efficiently absorb the shock even at the center portion almost simultaneously, and the technical feature of the present invention is such a structure that the shock absorption behavior is achieved. .

In this case, in order for the shock absorbing behavior to be normally performed, the material of the projection board should have a greater rigidity than the material of the sole, and the difference in the rigidity of the sole and the projection board is changed as necessary.

DETAILED DESCRIPTION Details of the object and the technical constitution according to the object of the present invention will be clearly understood by the following description with reference to the drawings showing preferred embodiments of the present invention.

2 is a cross-sectional view of a shoe to which the multi-floor material for shoes for shock absorption of the present invention is applied to FIG. 3, and the sole and the protrusion board constituting the multi-floor material for shoes for shock absorption for the first embodiment of the present invention to FIG. Top view is shown.

As shown, the multiple floors for shoes for shock absorption of the present invention,

A plurality of upwardly recessed recesses C are provided on the upper surface, and the sole 21 comes into contact with the bottom;

At least one or more protruding plates 22 protruding downward from the bottom of the plurality of protrusions E correspondingly inserted into the respective recessed grooves C;

It consists of a midsole 23 and the like laminated on the upper surface of the sole 21 including the entirety of one or more projections (22).

At this time, the length of the protrusion (E), in the state that the load is not applied to the shoe, preferably made of a length that does not reach the bottom of the recess groove (C), the lower end of the protrusion (E) and the recess groove (C) The separation distance between the floors may vary depending on the use of the shoe, the weight of the user, and the like.

Then, the projection E should not be in close contact with the outer circumferential surface of the projection E and the inner circumferential surface of the recessed groove C so that the projection E may move upward and downward in the recess groove C by an external compressive load. ) And the protrusion pieces 22 are made of a relatively strong material such as nylon or plastic, and the sole 21 is preferably made of a relatively flexible material such as polyurethane.

In addition, the concave groove (C) may be formed uniformly distributed over the entire upper surface of the sole 21, the concave groove (C) is partially gathered in one or more of the upper surface of the sole 21 at least one concave groove group As may be achieved, this may vary depending on the use of the shoe, and thus, as shown in FIG. 3, the projection piece 22 may also be composed of one or two or more pieces.

In addition, each protrusion E projecting downward on the bottom surface of the protrusion piece 22 may have various shapes, including a single unitary structure shown in FIG. 2, as shown in FIG. It may have a multi-stage structure consisting of a large upper projection (E1) and the lower projection (E2) formed downwardly extended in a state in which the cross-sectional area is reduced in the center of the bottom surface of the upper projection (E1), in addition, various shapes and structures are possible.

When the protrusion E has a multistage structure, that is, a two-stage structure as described above, the bottom surface of the upper protrusion E1 is in contact with the upper surface of the sole 21, and only the lower protrusion E2 is recessed in the groove 21 of the sole 21. If the load is applied to the upper surface of the projection piece 22, the upper projection E1 first absorbs the compressive load while pressing the upper surface of the sole 21, and then the lower projection ( The lower end of E2) comes into contact with the bottom of the recessed groove C to absorb the remaining compressive load.

At this time, the space (S) is formed between the bottom surface of the protrusion piece 22 and the top surface of the sole 21, as shown in Figure 5, having a cushioning property between the protrusion piece 22 and the sole 21 It is also preferable to interpose the plate-shaped cushion member 24.

However, the cushion member 24 may be interposed in order to improve the buffering force even when using the projection plate formed with the projection of the linear single structure shown in FIG.

And, as shown in Figure 6, the cushion member 24 is provided with a plurality of through-holes (H) for penetrating the upper projection (E1) corresponding to 1: 1, each through-hole (H) is each It corresponds to the recessed groove (C) 1: 1, and has the same center as the recessed groove (C).

When the cushion member 24 is used, for example, the sole 21 is made of rubber or polyurethane, and the cushion member 24 is made of EVE resin having excellent cushioning and restoring force, and the like. 22) and the midsole 23 may be made of nylon or plastic, but the sole, the projection board, the cushion member, and the material of the midsole may be variously combined according to the use of the shoe.

In the multiple flooring material for shoes for shock absorption of the present invention configured as described above, the projection board 21 is composed of one or more, if necessary, the cushion member 24 may also be composed of one or more.

In addition, when the protrusions 21 and the cushioning member 24 are partially stacked instead of being substantially stacked on the entire upper surface of the sole 21, a stepped portion may be formed at the boundary between the upper surface of the protrusion 22 and the upper surface of the sole 21. If the bar can not be exposed to the upper surface of the midsole 23, if exposed, it will reduce the ignition.

Therefore, in order to prevent the above-mentioned deterioration of the feeling of wearing, the protrusions 22 on which the protrusions 22 or the cushion member 24 are overlapped on the upper surface of the sole 21 or the bottom of the midsole 23 at the position where the protrusions 22 are stacked. It is also preferable to form a stepped prevention groove (not shown) that is matched with the planar shape of (22).

That is, when the stepped prevention groove is formed on the upper surface of the sole 21, the protrusion plate 22 alone or the protrusion 22 overlapped with the cushion member 24 is seated inside the stepped prevention groove, whereby the upper surface of the sole and the protrusion board When the upper surface is to form the same plane, if the anti-stepping groove is formed in the bottom of the midsole 23, the projection plate 22 which protrudes from the upper surface of the sole sole or the cushion member 24 overlaps the projection plate 22 By inserting into the step prevention groove, the stepped portion is not exposed through the midsole.

Multi-floor for footwear for shock absorption of the present invention configured as described above, can be changed to other similar structures, as shown in Figure 7, the midsole 23 and the projection board 22 combined in one midsole It may be made of (25), it may be interposed between the cushioning member 24 between the integrated midsole 25 and the sole 21 for complementary cushioning.

At this time, the integrated midsole 25 may be considered to be a protrusion directly projected on the midsole 23 by omitting the projection piece 22, each recess groove of the sole 21 in the cushion member 24 used together A plurality of through-holes H corresponding to (C) up and down 1: 1 are provided through the bottom portion, and the lower end of the protrusion E projecting through the cushion member 24 is under no load as described above. 21) It is in a state of not touching the bottom of the recessed groove (C).

However, if necessary, the lower end of the projection (E) to the bottom of the indentation groove (C) of the sole 21 so that the upper surface of the sole and the bottom of the indentation groove at the same time to absorb the shock, or indentation groove (C) The bottom surface of the protruding plate 22 or the integrated midsole 25 is spaced apart from the upper surface of the sole 21 by the protrusion E contacting the bottom of the recess. After the shock is absorbed by the car, the upper surface of the sole 21 may be made to absorb the shock secondly.

That is, the relative correlation between the length of the protrusion E and the depth of the recessed groove C may be changed in various forms according to the use of the shoe and the physical condition of the user.

And, as shown in Figure 8, the projection pin 26, for example, a projection having a cross-sectional shape, for example "TT" shape in the midsole 23 so that only the lower end protrudes downward through the bottom surface in the midsole 23 In this case, the midsole 23 may be made of a cushion material such as polyurethane or Yves, and the protruding pins 26 may have appropriate rigidity and elasticity, such as nylon or plastic. It is desirable to make it from the material.

In addition, the integrated midsole 25 and the protrusion pin 26 are also preferably made of a material having a greater rigidity than the sole 21, but the relative stiffness difference between the sole, the protrusion, the protrusion board, and the protrusion pin varies as necessary. Can be changed.

Finally, the projection (E) and the projection pin 26 is to be reciprocated in the up and down direction in the concave groove (C) bar, it is also good to make the outer peripheral surface in contact with the inner peripheral surface of the concave groove (C), such In this case, as the friction force is generated between the two surfaces, the friction force can play a role in absorbing the shock. In such aspect, as illustrated in FIG. 9, the outer peripheral surface of the protrusion E or the protrusion pin 26 can be used. It is also preferable to form processing surfaces, such as an unevenness | corrugation or a screw thread.

As described above, the multiple flooring material for shoes for shock absorption of the present invention is more effective because the shock absorption by the sole is made sequentially from the upper surface and the bottom surface to the central portion thereof with the aid of the projections. After the shock absorption of the protrusion by the elastic force of the protrusion has a merit that is restored more quickly to the original position.

In addition, since the pressure between the ground and the sole of the foot is distributed differently for each part by a plurality of protrusions, since the distribution pressure of the portion where the force is applied increases, the traction force is increased, which is particularly effective during rock climbing and climbing. It is expected that it will be easier to balance the body in continuous motion during exercise.

Claims (10)

delete delete A shoe sole 21 provided with a plurality of upward opening recessed grooves C on its upper surface; At least one plate-shaped cushion member 24 laminated on the upper surface of the sole 21 and formed with a plurality of through holes H coinciding with the center of each recess groove C; At least one or more projections (E) inserted through the respective through holes (H) in a state of being laminated on the upper surface of the cushion member (24) in a one-to-one correspondence with a recess (C) 1: 1 protruded downward on the bottom surface A projection plate 22; Multi-layered footwear for shock absorption, characterized in that it comprises a midsole 23 laminated on the upper surface of the sole 21, the upper surface of the projection board 22 is included. The method of claim 3, wherein The protrusion E may be any one of a straight unitary structure or a multistage structure in which the lower protrusion E2 having a small cross-sectional area is extended downward from the bottom of the upper protrusion E1 protruding from the bottom of the protrusion plate 22. Flooring for footwear for shock absorption. The shoe bottom of claim 4, wherein the bottom of the upper protrusion (E1) is in contact with the upper surface of the sole 21, the lower protrusion (E2) is inserted into the recessed groove (C). Flooring. [4] The multi-floor shoe for shock absorption according to claim 3, wherein the protrusion plate 22 has a greater rigidity than the sole 21. A shoe sole 21 provided with a plurality of upward opening recessed grooves C on its upper surface; A cushion member 24 stacked on the upper surface of the sole 21 and having a through hole H corresponding to each recessed groove C; After passing through the through holes (H), a plurality of protrusions (E) inserted in correspondence with each of the concave groove (C) 1: 1 comprises a plate-shaped integrated midsole 25 protruding downward on the bottom surface Multiple floors for shoes for shock absorption. The method of claim 7, wherein The integrated midsole 25 is a shoe, multiple soles for shock absorption, characterized in that the rigidity than the sole 21. delete delete

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