KR100761897B1 - duplicated shock absorbing shoe-sole - Google Patents

Abstract

The present invention relates to a double shock absorbing sole, which is formed between the upper and lower absorption window formed of a low hardness, relatively high hardness compared to the upper and lower absorption window, the lower surface of the upper and lower absorption window The middle dispersion window is formed in the shape of the upper and lower surfaces to correspond to the shape of the upper surface, the double shock absorbing the impact from the ground by the upper absorption window and the lower absorption window centered around the intermediate distribution window when the ground double An absorbent shoe sole is a technical point. Accordingly, the shoe sole is formed with a different hardness (異種) has the advantage that the shock is not completely transmitted to the ankle joint or knee joint by absorbing the shock from the ground when grounded.

Dual heterogeneous hardness shock absorber impact force impact amount

Description

Double shock absorbing shoe-sole

1-cross-sectional view of a double shock absorbing shoe sole according to the present invention.

Figure 2-a diagram showing the magnitude of the impact force (a) acting on the double shock-absorbing shoe sole according to the invention and the magnitude of the impact force (b) acting on the existing shoe sole.

3-a perspective view of a first embodiment according to the present invention;

4-exploded perspective view of a first embodiment according to the present invention;

5-a perspective view of a second embodiment according to the present invention;

6-exploded perspective view of a second embodiment according to the present invention;

7-a perspective view of a third embodiment according to the present invention;

8-exploded perspective view of a third embodiment according to the present invention;

9 to 7 is a perspective view of the non-slip groove formed.

10-a perspective view of a fourth embodiment according to the present invention;

11 is an exploded perspective view of a fourth embodiment according to the present invention;

12-a perspective view of a fifth embodiment according to the present invention;

13 is an exploded perspective view of a fifth embodiment according to the present invention;

Figure 14-Illustrated action of the cloud portion of the double shock absorbing shoe sole according to the present invention.

<Description of Major Symbols Used in Drawings>

100: upper absorption window 110: upward cloud portion

120: downward cloud portion 130: horizontal hole

140: arch reinforcing member 150: horizontal groove

151: vent 160: winding surface

200: lower absorption window 210: non-slip groove

300: medium dispersion window 400: bottom window

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to shoe soles, and more particularly, to a dual shock absorbing shoe sole that is formed with a heterogeneous hardness and thus absorbs a double impact from the ground when grounded.

In general, in order to minimize the impact when the ground with the ground in the shoe is formed with a predetermined thickness and a relatively low hardness midsole, and a shoe sole formed of a harder outsole than the midsole on the lower surface of the midsole is formed.

The midsole is generally formed of polyurethane foam or EVA (ethylene vinyl acetate) foam for shock absorption, and the outsole is generally formed of a rubber material in consideration of friction and durability with the ground.

However, in the conventional shoe, since the sole of the shoe solely absorbs the impact when the foot and the ground are grounded, the sole is mainly dependent on the midsole, so when the ground is hard or bumpy, the shock is not properly absorbed from the ground, so that the sole and the knee The impact tends to be transmitted directly, straining the ankle or knee joints.

In order to solve this problem, a member having a shock absorbing function such as an air bag or an air gel is inserted into the midsole in various shapes to form a single body, or a plurality of hollows are formed in the midsole to absorb shock from the ground.

However, the method is not only difficult to manufacture the method, but also requires a separate manufacturing process and cost for the manufacture of airbags or airgels, and the shape of the midsole or airbags and airgels is modified by long use. There was a problem that the shock absorber does not function properly.

The present invention has been made to solve the above problems, the object of the shoe sole is formed of a different hardness (異種) to provide a double shock absorbing shoe outsole that absorbs a double shock from the ground when grounded.

In addition, the cloud portion is formed in the arch portion of the foot to generate the rolling effect and acupressure effect of the foot, and another object to provide a double shock-absorbing shoe sole that is induced upright walking.

In order to achieve the object as described above, the present invention, between the upper and lower absorption window formed of a low hardness, is formed with a relatively high hardness than the upper and lower absorption window, the lower surface and the lower portion of the upper absorption window Intermediate dispersion window is formed in the upper and lower shape corresponding to the shape of the upper surface of the absorption window is coupled, absorbing the impact from the ground by the upper absorption window and the lower absorption window around the intermediate distribution window when the grounding double Dual shock-absorbing shoe soles are technically important.

In addition, the upper absorption window, it is preferable that the upper cloud portion is formed to be convex upward at a position corresponding to the arch portion of the foot.

In addition, the upper absorption window, it is preferable that the lower cloud portion is formed convexly downward to correspond to the upper cloud portion.

Here, it is preferable that the arch reinforcing member is coupled to the upstream cloud portion and the down cloud portion in a horizontal hole formed so as to penetrate the upper absorption window horizontally.

In addition, the arch reinforcing member, the cylindrical shape is preferably formed to correspond to the curvature of the upper cloud portion and the lower cloud portion.

In addition, the double shock-absorbing shoe sole is preferably formed in a curved surface of the upper heel and intermediate dispersion window and the contact surface between the intermediate dispersion window and the lower absorption window in the heel portion of the foot.

In addition, the double shock-absorbing shoe sole, it is preferable that a horizontal groove is formed so as to penetrate the upper absorbent window horizontally on the bottom of the front heel portion of the upper absorbent window.

In addition, the upper absorption window is preferably in communication with the horizontal groove, the ventilation hole formed to penetrate the upper absorption window up and down is further formed.

In addition, the upper absorption window and the lower absorption window is preferably formed with different hardness.

In addition, the upper absorption window and the lower absorption window is preferably formed of one of a low hardness polyurethane foam or EVA foam.

In addition, the intermediate dispersion window is preferably formed of one of plastic or high hardness polyurethane foam.

In addition, the bottom surface of the lower absorption window, it is preferable that the non-slip groove is formed.

The anti-slip groove is preferably formed at a position corresponding to the shape of the downward cloud portion.

In addition, the double shock absorbing shoe sole, it is preferable that the sole is formed of a rubber material on the lower surface of the lower absorbent window.

Accordingly, the shoe sole is formed with a different hardness (異種) has the advantage that the shock is not completely transmitted to the ankle joint or knee joint by absorbing the shock from the ground when grounded.

In addition, the whole body is naturally shaken due to the rolling of the feet, and the muscles are partially tensioned to allow power walking, which not only has a diet function but also has the advantage of inducing upright walking to be a correct step. have.

In addition, by generating acupressure effect on the arch portion of the foot to protect the health of the foot and body, there is an advantage to induce upright walking to be the correct gait.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the dual shock absorbing shoe outsole according to the present invention.

The shoe sole according to the present invention relates to a midsole and an outsole or an outsole formed under the insole, and includes an upper absorption window 100 and a lower absorption window 200 for absorbing shock from the ground, and the upper absorption window 100. And an intermediate dispersion window 300 coupled between the lower absorption window 200 and dispersing the impact force transmitted from the upper absorption window 100 and the lower absorption window 200.

The upper absorption window 100 and the lower absorption window 200 is formed of a material having a relatively low hardness compared to the intermediate dispersion window 300, the intermediate dispersion window 300 is formed of a material of high hardness.

Here, the upper absorbent window 100 and the lower absorbent window 200 are formed of one of low hardness polyurethane foam or EVA foam, and the intermediate dispersion window 300 is formed of one of plastic or high hardness polyurethane foam. desirable.

The low hardness polyurethane foam or EVA foam, which is the material of the upper absorbent window 100 and the lower absorbent window 200, is formed by inserting an unfoamed polyurethane or EVA material into a mold and foaming under a predetermined temperature and pressure. The hardness of the material is controlled by controlling the degree of foaming by changing the mold temperature and pressure. In the present invention, the low hardness refers to about 30 to about 50 in Shore C type durometer.

Here, the upper absorbent window 100 and the lower absorbent window 200 may be formed at different hardnesses according to the use and use of the shoe, but should be formed at a lower hardness than the intermediate dispersion window 300.

In addition, the plastic or high hardness polyurethane foam, which is the material of the intermediate dispersion window 300, is molded into a predetermined shape by a method of plastic injection molding, and the polyurethane foam is inserted into a mold and foamed under a predetermined temperature and pressure. By molding. In the present invention, the high hardness refers to a Shore A Type hardness tester 70 to 80 or a Shore D Type hardness tester about 60 to 80 degrees.

In addition, since the intermediate dispersion window 300 is inserted between the upper absorption window 100 and the lower absorption window 200, upper and lower surfaces of the intermediate dispersion window 300 are lower surfaces and lower absorption of the upper absorption window 100. It is formed corresponding to the shape of the upper surface of the window 200.

That is, using the low hardness material as the material of the upper absorption window 100 and the lower absorption window 200 as described above, and using the high hardness material as the material of the intermediate dispersion window 300, the upper absorption window 100 The intermediate dispersion window 300 is inserted between the lower absorbent window 200 and the shoe sole is integrally formed to bond the lower portion of the shoe upper.

In addition, the non-slip groove 210 is formed on the bottom of the lower absorbent window 200 to prevent slipping according to the use and use of the shoe, and the lower absorbent window (to improve durability by friction with the ground) The bottom sole 400 formed of a rubber material may be further formed on the bottom surface.

Therefore, when the shoe touches the ground during the walking operation, any particular part of the sole surface partially presses the upper absorbent window 100, and the amount of impact received by the upper absorbent window 100 is the upper absorbent window 100. ) Is inversely proportional to the area of the foot touching the body and increases in proportion to the load of the human body and the impact force when grounded.

As such, the amount of impact applied to the upper absorption window 100 is transmitted to the intermediate dispersion window 300 of high hardness, and the intermediate dispersion window 300 is formed to be relatively harder than the upper absorption window 100. The impact force is spread throughout the intermediate dispersion window 300, partly returned to the upper absorption window 100, and partially transmitted to the lower absorption window 200.

In addition, the lower absorption window 200 receives the impact force from the ground while the upper absorption window 100 is impacted by the sole as described above during the walking operation. At this time, the amount of impact received by the lower absorption window 200 is evenly distributed to the lower absorption window 200 and the upper absorption window 100 in inverse proportion to the area of the intermediate dispersion window 300 in the intermediate dispersion window (300). It reduces the amount of impact the human body receives from the ground.

Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described in detail.

First Embodiment

3 and 4 show a perspective view and an exploded perspective view of a first embodiment according to the present invention.

As shown, according to the first embodiment of the present invention, the upper absorption window 100 and the lower absorption window 200 are formed between the upper absorption window 100 and the lower absorption window 200 formed at low hardness as described above. Relative to the relatively high hardness formed in the middle distribution window 300 is inserted, and the sole sole 400 is formed on the bottom surface of the lower absorbent window 200, the upper absorbent window 100 to the foot of The upper cloud portion 110 is formed to be convex upward at a position corresponding to the arch portion.

The upward cloud portion 110 is formed thicker upward so that the position corresponding to the arch portion of the foot of the upper absorption window 100 has a predetermined curvature, the upward cloud portion 110 in the arch portion of the foot by the walking operation To make the cloud work.

That is, the ankle is bent forward (when the heel touches) more than wearing normal shoes while walking, the foot is rotated by the upward cloud portion 110 so that the ankle is bent backwards (when the heel touches). .

As a result of the rolling of the foot, the whole body is shaken back and forth to balance the muscles, the muscles are strained, and the stride length is somewhat larger, so that the power walking (power walking) is possible to diet.

In addition, to solve the problem that the foot is swinging steplessly, such as the ground plane of the foot to one side to induce upright walking to assist in walking in the correct posture, the upper cloud portion 110 is part of the arch of the foot Acupressure effect will be able to help health.

Second Embodiment

5 and 6 show a perspective view and an exploded perspective view of a second embodiment according to the present invention.

As shown, according to the second embodiment of the present invention, the upper absorption window 100 and the lower absorption window 200 between the upper absorption window 100 and the lower absorption window 200 formed at low hardness as described above. Compared to the middle of the shoe sole formed with a medium dispersion window 300 is formed with a relatively high hardness, the sole 400 is formed on the lower surface of the lower absorbent window 200, the upper absorbent window 100 is the upward The downward cloud portion 120 is formed to be convex downward to have a predetermined curvature corresponding to the cloud portion 110. That is, the arch portion of the foot of the upper absorption window 100 is formed thicker up and down.

Accordingly, the intermediate dispersion window 300 and the lower absorption window 200 correspond to the shape of the downward cloud portion 120 to form a curved surface having a predetermined curvature.

The downward cloud portion 120 assists the cloud function in the arch of the foot by the walking operation of the upward cloud portion 110, and supports the weight when the weight is concentrated momentarily in the upward cloud portion 110. It is to.

Third Embodiment

7 and 8 show a perspective view and an exploded perspective view of a third embodiment according to the present invention, Figure 9 shows a state in which the non-slip groove 210 is formed in FIG.

According to the third embodiment of the present invention, the upper absorption window 100 and the lower absorption window 200 formed at the low hardness as described above are relatively high in diameter compared to the upper absorption window 100 and the lower absorption window 200. The intermediate dispersion window 300 is formed in the road, and the lower absorber 200 relates to a shoe sole having a sole 400 formed on a lower surface thereof. The upper cloud portion 110 and the lower cloud portion 120 are respectively The arch reinforcing member 140 is further formed in the horizontal hole 130 formed to penetrate the upper absorbent window 100 horizontally.

The arch reinforcing member 140 is formed in a cylindrical shape, and is formed to correspond to the curvature of the upward cloud portion 110 and the downward cloud portion 120. In addition, the arch reinforcing member 140 is preferably formed of a material having a higher hardness than the upper cloud portion 110 and the lower cloud portion 120, it is formed of a conventional air gel or air pump or polyurethane.

The arch reinforcing member 140 supports the upward cloud portion 110 and the downward cloud portion 120 during a cloud action by the upward cloud portion 110 and the downward cloud portion 120, and is formed by a cylindrical shape. The arch reinforcing member 140 is to increase the acupressure effect on the arch portion of the foot to help further the health of the human body.

In addition, Figure 7 shows that the anti-slip groove 210 is formed on the bottom surface of the lower absorbent window 200 in order to prevent the slip in the double shock absorbing shoe sole according to the third embodiment.

Here, the non-slip groove 210 is preferably formed at a position corresponding to the shape of the downward cloud portion 120, which is the upward cloud portion 110 and the downward cloud portion 120, the arch reinforcing member In the rolling operation of the foot by 140, it is to further reinforce the arch portion of the foot of the shoe sole when the weight is momentarily concentrated.

Fourth Embodiment

10 and 11 show a perspective view and an exploded perspective view of a fourth embodiment according to the present invention.

As shown in the fourth embodiment of the present invention, the upper absorption window 100 and the lower absorption window 200 formed at the low hardness as described above in the upper absorption window 100 and the lower absorption window 200 Compared to the upper portion of the shoe soles of the sole of the shoe sole is formed in the bottom of the lower absorbent window 200 is inserted into the intermediate dispersion window 300 formed with a relatively high hardness compared to the upper absorbent window 100 and the intermediate dispersion window ( 300) and the surface in which the intermediate dispersion window 300 and the lower absorption window 200 is in contact with the winding surface 160 is formed.

Due to the relatively high hardness of the intermediate dispersion window 300, the front heel side of the shoe sole during the walking operation may stiffen the toes and ankles, so that the intermediate dispersion window 300 and the intermediate dispersion window 300 The upper and lower absorbent windows 100 and lower absorbent windows 200 formed on the upper and lower portions of the foot are exerted in flexibility to exert a feeling of comfortable walking.

Fifth Embodiment

12 and 13 show a perspective view and an exploded perspective view of a fifth embodiment according to the present invention.

As shown in the fifth embodiment of the present invention, the upper absorption window 100 and the lower absorption window 200 formed at the low hardness as described above in the upper absorption window 100 and the lower absorption window 200 Compared to the bottom of the foot of the foot of the upper absorption window in the shoe sole in which the middle dispersion window 300 is formed and relatively high hardness is inserted into the lower absorption window 200 is formed on the bottom surface of the lower absorption window 200, The horizontal groove 150 is formed to penetrate the upper absorbent window 100 horizontally.

In addition, it is in communication with the horizontal groove 150 of the upper absorbent window 100, the ventilation hole 151 is formed so as to penetrate up and down the upper absorbent window (100).

The lateral groove 150 is due to the intermediate dispersion window 300 of the relatively high hardness, so that the heel side of the shoe sole is stiff during the walking operation may give a toe and ankle, so as to exert flexibility in the front heel portion of the foot It is to make you feel comfortable walking.

In addition, the horizontal groove 150 is connected to the inside and outside of the shoe sole is connected to the ventilation hole 151 so that the fresh air flows into the shoe naturally to help the hygiene of the shoe and the foot hygiene management.

Hereinafter will be described the operation, effect of the present invention.

Figure 2 shows the magnitude (a) of the impact force acting on the double shock-absorbing shoe sole according to the present invention and the magnitude (b) of the impact force acting on the existing shoe sole. The impact amount is equal to the change amount of the momentum, and is the impact force (F) x time (t). And the impact force is inversely proportional to time and area.

As shown in Figure 2 in the same movement pattern, the impact amount is the same, but the impact force (damage) can be said to vary with time and area. Dual shock absorbing shoe sole structure according to Figure 2 (a) is a structure that distributes the impact force of the floor by making the area grounded with the foot uniform.

In particular, when there is a protrusion in the external environment (ground), the amount of impact that is concentrated is absorbed by the intermediate dispersion window 300, so that the amount of impact is uniformly distributed on the sole of the foot, and thus the amount of impact compared to the conventional shoe sole according to FIG. 2 (b). It can be seen that the effect of dispersing is excellent.

Hereinafter, the dual shock-absorbing shoe sole according to the present invention will be described in detail the operation and effect according to the user walking wearing a shoe formed of the midsole and outsole of the shoe.

First, when the shoe touches the ground during the walking operation, any particular part of the sole surface partially presses the upper absorbent window 100, and the amount of impact received by the upper absorbent window 100 is the upper absorbent window 100 ) Is inversely proportional to the area of the foot touching the body and increases in proportion to the load of the human body and the impact force when grounded.

As such, the amount of impact applied to the upper absorption window 100 is transmitted to the intermediate dispersion window 300 of high hardness, and the intermediate dispersion window 300 is formed to be relatively harder than the upper absorption window 100. The impact force is spread throughout the intermediate dispersion window 300, partly returned to the upper absorption window 100, and partially transmitted to the lower absorption window 200.

At this time, the impact amount delivered to the upper and lower absorption window 100 and 200 is evenly distributed throughout the intermediate distribution window 300, the upper and lower absorption window 100 and the lower absorption window 200 ), The amount of impact the human body receives is significantly reduced. That is, the impact amount inversely proportional to the area of the intermediate dispersion window 300 is distributed and transmitted to the upper absorption window 100 and the lower absorption window 200.

In addition, the lower absorption window 200 receives the impact force from the ground while the upper absorption window 100 is impacted by the sole as described above during the walking operation. At this time, the amount of impact received by the lower absorption window 200 is evenly distributed to the lower absorption window 200 and the upper absorption window 100 in inverse proportion to the area of the intermediate dispersion window 300 in the intermediate dispersion window (300). It reduces the amount of impact the human body receives from the ground.

In addition, as shown in FIG. 14, when the user walks in walking shoes wearing a shoe sole formed by the upper cloud part 110 and the lower cloud part 120 as described above, the ankle is more than wearing normal shoes. Bend forward (when the heel touches), the foot is rotated by the upper cloud portion 110 and the lower cloud portion 120 so that the ankle is bent backwards (when the front heel touches), the entire body according to the rotation of the foot As you swing naturally, your muscles become partially tense.

This allows power walking, which not only has a diet function, but also eliminates the problem of swinging the foot unintentionally or the ground plane of the foot to one side, inducing upright walking so that the user can walk in the correct posture. To help.

In addition, by the upper cloud portion 110 and the lower cloud portion 120 and the arch reinforcing member 140 to exert acupressure effect on the arch portion of the foot can be helpful to the health of the human body.

The present invention by the above configuration, the shoe sole is formed of a different hardness (異種) is completely absorbed the impact from the ground when grounding has the effect that the impact is not transmitted to the ankle or knee joint.

In addition, the whole body is naturally shaken due to the rolling of the feet, and the muscles are partially tensioned so that the power walking is possible, which not only has a diet function, but also induces walking upright to make the correct walking. have.

In addition, by generating acupressure effect on the arch portion of the foot to protect the health of the foot and body, it is effective to induce the walking upright to be the correct gait.

Claims (14)

Between the upper and lower absorption window formed of a low hardness, it is formed with a relatively high hardness compared to the upper and lower absorption window, the upper and lower shape is formed to correspond to the shape of the lower surface of the upper absorption window and the upper surface of the lower absorption window. The intermediate dispersion window is coupled, the double shock absorbing shoe outsole, characterized in that for absorbing the double shock from the ground by the upper and lower absorption window around the intermediate distribution window when the ground. The method of claim 1, wherein the upper absorption window, Dual shock absorbing shoe outsole, characterized in that the upwardly convex upper portion is formed in a position corresponding to the arch portion of the foot. The method of claim 2, wherein the upper absorption window, The double impact absorbing shoe outsole, characterized in that the downward cloud portion is formed convex downward to correspond to the upper cloud portion. The method of claim 3, wherein the upper cloud portion and the lower cloud portion, Double shock absorbing shoe outsole, characterized in that the arch reinforcing member is coupled to the horizontal hole formed so as to penetrate the upper absorbent window horizontally. The method of claim 4, wherein the arch reinforcing member, Double shock absorbing shoe outsole, characterized in that formed in a cylindrical shape corresponding to the curvature of the upper and lower clouds. The method of claim 1, wherein the double shock absorbing shoe sole, Double shock-absorbing shoe soles, characterized in that the upper side and the upper portion of the middle absorbing window and the middle and the lower absorbing contact surface is formed in a curved curved surface. The method of claim 1, wherein the double shock absorbing shoe sole, Dual shock absorbing shoe outsole, characterized in that the horizontal groove is formed so as to penetrate the upper absorbent window horizontally on the bottom of the front heel portion of the upper absorbent window. The method of claim 7, wherein the upper absorption window, Dual shock absorbing shoe outsole is in communication with the horizontal groove, characterized in that the ventilation hole formed to penetrate the upper absorbent window up and down further formed. The method of claim 1, wherein the upper and lower absorption windows, Dual shock-absorbing shoe sole, characterized in that formed in different hardness. The method of claim 1, wherein the upper and lower absorption windows, Dual impact absorbing shoe sole, characterized in that formed in one of a low hardness polyurethane foam or EVA foam. The method of claim 1, wherein the intermediate dispersion window, Double shock-absorbing shoe sole, characterized in that formed in one of plastic or hard polyurethane foam. The method of claim 1, wherein the bottom of the lower absorption window, Dual shock absorbing shoe outsole, characterized in that the non-slip groove is formed. The method of claim 12, wherein the non-slip groove, Dual impact absorbing shoe outsole, characterized in that formed in a position corresponding to the shape of the downward cloud portion. The method of claim 1, wherein the double shock absorbing shoe sole, Double shock absorbing shoe outsole, characterized in that the sole is formed on the bottom of the lower absorbent window rubber.

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