KR100773898B1 - ventilating and shock absorbing shoe - Google Patents

Abstract

The present invention relates to a shock-absorbing ventilated shoe, the upper (100) formed on the upper portion of the shoe and receiving the foot; An outsole 300 formed on the bottom surface of the shoe and in contact with the ground; The airbag 400 is formed between the outsole 300 and the upper 100 and the air is accommodated therein to be expanded / contracted. The airbag 400 is connected to the inside of the airbag 400 to air the air outside the upper 100. The first air flow path 210 to flow in one direction inside the 400 and the second air flow path connected to the air bag 400 to flow air in the air bag 400 in one direction inside the upper 100 ( In the ventilation shoe consisting of: a midsole 200 is formed, the midsole 200 is formed of a synthetic resin material of an elastic material, the space portion 230 is formed in the rear center penetrated up and down, the space portion Concave-convex is formed on the inner wall surface of the 230, a protruding portion 240 protrudes downward downwardly is formed adjacent to the rear space portion 230 of the midsole 200, the air bag 400 is pump space therein Is formed, the lower portion is the same as the protrusion formed on the midsole 200 The airbag projections 410 of shape is formed, the outer surface is a shock absorbing ventilation shoe irregularities corresponding to the wall surface of the midsole (200) is formed is formed to be coupled to the space portion 230 to a technical base. Accordingly, a midsole with an airbag is formed between the upper and the outsole, and when the shoe comes into contact with the ground, fresh air from the outside is introduced into the shoe by the compression / expansion of the airbag, and at the same time, the airbag is formed of the same material and different hardness. And it has the advantage of absorbing the impact force by the elastic flow of the midsole.

Airbag Upper Midsole Elastic Outsole Air

Description

Ventilating and shock absorbing shoe

1 shows a shoe according to the prior art.

2-a diagram showing a shoe according to another prior art.

3 shows a shoe according to another prior art;

4 shows a shoe according to another prior art.

5-a perspective view of a ventilation shoe for shock absorption according to the present invention.

Figure 6-Lumbar sectional view.

7-a perspective view of the midsole.

Fig. 8-Vertical cross-sectional view of the midsole.

9 is a view showing the midsole formation process.

10 shows a process of forming an airbag.

11 is a longitudinal sectional view of the main portion showing the pre-shrink of the midsole bonded to the outsole according to the present invention.

12 is a longitudinal sectional view showing the main part after shrinkage of the midsole bonded to the outsole according to the present invention;

13 illustrates a body midsole and an auxiliary midsole according to another embodiment.

<Description of Symbols for Major Parts of Drawings>

100: upper 101: air inlet

200: midsole 200a: main body midsole

200b: auxiliary midsole 201: midsole disc

202: auxiliary material 210: first air flow path

220: second air flow path 230: space

240: protrusion 300: outsole

310: protrusion 400: air bag

410: air bag protrusion 420: upper cover

430: lower cover 440: air outlet pipe

450: air inlet pipe 510: first check valve

520: second check valve

The present invention relates to a shock-absorbing ventilated shoe, and more particularly, a midsole having an airbag formed between the upper and the outsole, and when the shoe is in contact with the ground, fresh air from outside into the shoe by compression / expansion of the airbag. The present invention relates to a shock-absorbing ventilation shoe that absorbs impact force by the flow of elastic and airbags and midsoles at the same time.

In general, when shoes are worn for a long time, the feet become sweaty, and at the same time, the inside of the shoes become sweaty, and mold is infested by the sweat, resulting in the odor of foot odor from the feet. In severe cases, it can cause athlete's foot.

Therefore, there is a need for a shoe that introduces fresh outside air into the shoe so as not to sweat from the foot.

In view of the above, the prior art is introduced, the Republic of Korea Patent Application Publication No. 87-15792, the air-circulating shoes by the spring is introduced.

1, the air chamber 2 is formed inside the rear axle of the sole 1, and the intake valve 3 and the discharge valve 4 are respectively disposed and the suction pipe 3 'is disposed. Exposed to the outside and communicated with the discharge tube 4 'and the inside of the shoe through the discharge hole of the discharge chamber, a plurality of protrusions (21) and 22 are projected to face the upper and lower surfaces in the air chamber (2) It consists of a number of springs in the coal.

However, according to the related art, first, as the compression / expansion degree of the air chamber is determined according to the elastic force of the spring, when the elastic force of the spring is strong, the flow amount of air decreases, and when the elastic force of the spring is weak, the inside of the rear axle is severely shaken. There is a problem that will adversely affect the waist.

Second, when a hole or the like is formed under the sole, there is a problem that air in the air chamber cannot be delivered only to the inside of the shoe due to the stepless flow of air in the air chamber.

Third, since the air flowing into the shoe is air containing moisture, there is a problem in that the shoe itself is damaged by changing the physical properties of the inside of the air chamber by the action of moisture.

As another prior art, the shoe is formed in the vent is introduced in the Utility Model Registration No. 327676 of the Republic of Korea Patent Application registered by the applicant. The prior art, as shown in Figure 2, the upper end is formed with an endothelial through the through hole is formed on the bottom, and the upper 100 is formed through and through holes in the front; Coupled to the lower surface of the upper 100, the upper portion is formed in the bottom recessed air passage 111 connected from the front side to the rear side, the sole portion 110 is formed with an air flow path in communication with the air passage in the front portion And an elastic portion 120 connected to the front side to the rear side corresponding to the air passage on the lower surface of the sole 110 and protruding downward, and formed at the front end of the sole 110 and The air passage is bonded to the front part of the upper 100 and connected to the air wall surface through which the external air flows in and out, and at the same time, an air passage is formed in communication with the air flow passage, and the rear side is connected to the air passage and the through hole of the upper 100. It comprises an air flow member 130 formed with a corresponding entrance.

However, the prior art, although the fresh air can continue to flow into the shoe by compression / expansion of the elastic portion, there is a problem in that the shock absorbing surface is somewhat insufficient.

In addition, since the upper surface of the elastic part becomes an air passage in which air is collected, when a hole or the like is formed in the elastic part, there is a problem that the function of the shoe itself is lost due to the stepless flow of air to the outside.

Another conventional technology has been applied for a shock-absorbing combined ventilation shoes, the prior art is introduced in the Republic of Korea Patent Office No. 341100.

The prior art is formed in the front of the upper 100, the sole 110 consisting of the upper 100, the midsole 111 and the outsole 112, as shown in FIG. In the shoe composed of an air inlet member 120 is formed in the air inlet flow path is formed in the sole 110, the air flows in communication with the air inlet flows through the air inlet flows A first air flow path 130; It is installed between the midsole 111 and the outsole 112 of the rear portion of the sole 110, elastically up and down by external pressure to absorb the impact force and at the same time between the outsole 112 and the midsole 111 An elastic member 190 forming a pump space communicating with the first air flow path 130; The air is formed inside the sole 110, is connected to the pump space is formed, the through-hole communicating with the upper 100 is formed by the compression of the elastic member 190 is the upper 100 And a second air flow passage 140 flowing inwardly.

However, the prior art separately forms the first and second recessed spaces 170 and 180 on the outsole 112 and the midsole 111, and separately the first and second recessed spaces 170 and 180. By forming the elastic member 190 to be the pump space, the amount of air introduced into the upper inside is insufficient because only the amount of air received in the upper portion of the pump space formed by the elastic member 190 flows into the upper side.

In addition, in order to increase the amount of air introduced into the upper, it is necessary to increase the volume of the pump space formed by the elastic member.

In addition, there is a problem that the elastic member may be damaged by an external impact, especially a sharp object.

As another conventional technology, an integrated shock absorbing breathable shoe and its manufacturing method are introduced in Korean Patent Laid-Open Publication No. 10-2005-30196.

As shown in FIG. 4, the air bag forming step of forming an air bag having an air inlet pipe and an air outlet pipe as shown in FIG. 4, and after the air bag is introduced into a mold, a liquid polyurethane is introduced into the mold. An elastic body forming step of forming an elastic body to surround the outer surface of the airbag, an auxiliary mold coupling step of coupling the auxiliary mold to the outer surface of the elastic body, and put the processed outsole into the lower mold, the elastic body on the upper upper mold A poly mold that combines the auxiliary mold coupled to the mold, and the polyurethane liquid into the mold, and the upper bone combined with the new bone is placed on the upper surface of the elastic body to bond the upper mold, and then foam the polyurethane liquid to form an elastic window Urethane foaming step; is configured to include, one-piece shock-absorbing breathable shoes are formed integrally the elastic window between the outsole and the upper is.

However, the prior art is to form an air bag separately, and to separately form an elastic body by foaming a polyurethane liquid on the outer surface of the air bag, there is a problem that the process is complicated.

Therefore, the present invention has been made to solve the above problems of the prior art, when walking or running shoes by forming an air bag formed with a pump space inside the midsole into the shoe by the expansion / contraction of the air bag when running or running It is an object of the present invention to provide a shock-absorbing ventilation shoe in which fresh air from outside is continuously introduced.

In addition, it is also an object of the present invention to provide a shock-absorbing ventilated shoe that absorbs shock by making the midsole and the airbag elastically flow at the same time when the shoes are grounded with the ground by making a step having a hardness difference of the midsole of the same material. .

The present invention for achieving the above object is formed on the top of the shoe and the upper to accommodate the foot; An outsole formed on the bottom surface of the shoe and in contact with the ground; An air bag is formed between the outsole and the upper and is accommodated therein to expand / contract the air. A first air flow path and the air bag are connected to the inside of the air bag to flow air outside the upper in one direction inside the air bag. A midsole having a second air flow path connected to flow air inside the airbag in one direction of the upper; a ventilation shoe composed of: the midsole is formed of a synthetic resin material of elastic material, and a space penetrated vertically in the rear center portion The inner wall surface of the space portion is formed with an unevenness, a protruding portion protruding downward downwardly is formed in the adjacent portion of the rear space portion of the midsole, the air bag is formed in the pump space, the lower portion of the midsole An airbag protrusion having the same shape as the formed protrusion is formed, and the outer surface corresponds to the wall surface of the midsole. Is a ventilated shoe shock absorbing formed irregularities are formed to be coupled to the space portion of a technical base.

Wherein the midsole is a foam-expanded EVA material, the hardness of the protrusion and the airbag protrusion is relatively larger than the hardness of the midsole, the outer wall surface of the airbag is formed of the same material as the midsole, and protrudes downward on the bottom of the outsole And it is preferable that a protrusion piece for pressing the air bag when grounded with the ground is formed.

The midsole and the protruding portion are integrally formed, and the midsole has a space portion in which an air bag is installed and is connected to only the central portion of the shoe from the lower side of the shoe; It is preferably composed of an auxiliary midsole formed in a shape covering the upper main body midsole on the main body midsole.

In addition, the air bag is formed by cutting in the midsole, the outer wall portion is formed with irregularities on the outer surface; An upper cover formed in a cover shape on an upper surface thereof to seal an upper part thereof; A lower cover is formed in the shape of a lower cover to seal the lower portion; and the first air flow path is provided with a first check valve for allowing the air outside the upper to flow in only one direction inside the air bag, the second air The flow path is provided with a second check valve for flowing the air in the airbag in one direction inside the upper, it is preferable that an auxiliary sole is further formed between the midsole and the upper.

Accordingly, a midsole with an airbag is formed between the upper and the outsole, and when the shoe comes into contact with the ground, fresh air is introduced into the shoe by compression / expansion of the airbag, and at the same time, the impact force is generated by the elastic flow of the airbag and the midsole. It has the advantage of absorbing.

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

Figure 5 is a perspective view of the shock-absorbing ventilation shoes according to the invention, Figure 6 is a longitudinal cross-sectional view of the main portion, Figure 7 is a perspective view of the midsole, Figure 8 is a longitudinal cross-sectional view of the midsole, Figure 9 shows the midsole forming process 10 is a view showing an airbag forming process, and FIG. 11 is a view showing a main body midsole and a secondary midsole according to another embodiment.

First Embodiment

As shown, the shock-absorbing ventilation shoes according to the present invention is largely composed of the upper 100, the midsole 200, the outsole 300, and the airbag 400.

First, the upper 100 will be described.

The upper 100 is a space in which a user's foot is accommodated, and an air inlet 101 connected to a first air flow path 210 to be described later to the side or the rear of the upper 100 is formed to form a first air flow path 210. Fresh air from the outside is introduced into the pump space of the airbag 400 to be described later.

Here, the upper 100 is a general known technology, so detailed description thereof will be omitted.

The midsole 200 is adhesively coupled to the lower surface of the upper 100, and the airbag 400, the first air flow path 210, and the second air flow path 220 are formed in the midsole 200.

The midsole 200 is made of foamed ethylene vinyl acetate (hereinafter referred to as EVA) material, and a space portion 230 penetrated up and down is formed at a rear portion thereof.

The process of forming the midsole 200 first forms a foam-expanded plate-shaped midsole disc 201 made of an EVA-based compound. Here, the hardness of the midsole disc 201 is about 45.

In addition, the auxiliary material 202 having a semicircular protrusion formed on the bottom surface of the rear surface of the midsole disc 201 is bonded. In this case, the auxiliary material 202 is generally the same material as the midsole material and the hardness of about 55 is used. In the above state, the bottom surface of the rear surface of the midsole disc 201 is formed to protrude in an arc shape downward, and the auxiliary material 202 protrudes 240 of the midsole 200 described later and the airbag protrusion of the airbag 400. 410.

Herein, the auxiliary material 202 is attached to the midsole disc 201 to form the midsole 200. However, the midsole disc 201 and the auxiliary material 202 are integrally formed without adhering the auxiliary material 202 to each other. It may be and belongs to the scope of the present invention.

In the above state, the rear center portion of the midsole disc 201 is cut out and cut out, so that the side is cut into an uneven shape. The cut portion is a preliminary airbag and becomes part of the airbag 400 material described below. Therefore, the midsole disc 201 is formed with a space 230 as much as the preliminary air bag is removed, and communicates with the space 230 to form a flow path toward the front side. In this case, the flow path is normally the second air flow path 220 when the cover is covered.

The midsole 200 is completed by the above process, and a space portion 230 having an uneven wall surface is formed at the rear center portion of the midsole 200, and a second air flow path 220 is formed at the front side thereof. An air bag 400 to be described later is coupled to 230. In addition, the protruding portion 240 protruding downwardly is naturally formed in the adjacent portion of the rear space portion of the midsole 200.

Although the upper 100 has been described as being coupled to the upper surface of the midsole 200 of the present invention, it is preferable to form an auxiliary brush between the upper 100 and the midsole 200, aesthetic appearance of the shoe, the auxiliary brush In the first air flow path 210, the second air flow path 220 is formed so that the through-holes are respectively connected.

Next, the airbag 400 will be described.

The airbag 400 is formed by using the preliminary airbag removed from the midsole disc 202, cut out the center portion of the preliminary airbag, and combine the upper cover 420 on the upper to seal the upper, the lower The lower cover 430 is coupled to the bottom to seal the air outlet tube 440 to the front side and the air inlet pipe 450 is formed on the upper airbag 400 is completed.

As described above, the side surface outer surface of the airbag 400 is formed in a concave-convex shape so that when the airbag 400 is coupled to the space portion of the midsole 200, the concave-convex and concave-convex shape of the midsole 200 is combined. In this case, when the airbag is coupled to the midsole in an uneven shape, a problem such as twisting does not occur to balance the body.

As described above, the airbag protrusion 410 protruding downward in an arc shape is naturally formed in the lower portion of the airbag 400 by using the auxiliary material 202.

In addition, the air outlet pipe 440 is connected to the second air flow path 220 and the air inlet pipe 450 is connected to the first air flow path 210.

On the other hand, the first air flow path 210 is connected to the air inlet pipe 450 of the air bag 400 is connected to the air inlet 101 outside the upper 100, the first air flow path ( The first check valve 510 is installed at 210 to allow the air introduced from the air inlet 101 to flow in only one direction inside the air bag 400. In addition, the second air flow path 220 is connected to the air outlet pipe 440 of the air bag 400 and extends into the shoe, and the air bag 400 is formed in the second air flow path 220. The second check valve 520 is installed to flow the air inside only one direction of the inside of the shoe.

The outsole 300 is formed of a general rubber material and adhesively bonded to the lower portion of the midsole 200. In addition, a lower portion of the outsole 300 is formed in a shape of a protrusion and protrudes downward to correspond to the airbag 400 forming portion of the midsole 200.

When the outsole 300 is grounded to the ground, the protruding piece 310 receives an elastic force upward to provide a contracting force to the airbag 400 by compressing the lower portion of the airbag 400.

Second Embodiment

In the above, the embodiment has been described in the form in which the midsole 200 is formed integrally, but the midsole 200 may be formed in two parts. Hereinafter, an embodiment in which the midsole 200 is composed of two parts will be described.

The midsole 200 of the second embodiment is largely composed of a main body midsole 200a and an auxiliary midsole 200b, and the midsole 200 of the first embodiment is made of an EVA material having a hardness of about 45. On the other hand, the second embodiment is configured to be elastic only in the rear portion of the midsole 200, while the elasticity is formed in the whole.

The main body midsole (200a) is formed using the same method and the same material as the first embodiment, the difference is that the midsole 200 of the first embodiment is formed in a size corresponding to the shape of the foot, The main body midsole 200a in the second embodiment is configured to be formed only from the rear portion to the center portion so that the hardness is about 45 degrees, and the main body midsole 200a is formed to gradually become thinner toward the front portion side.

In addition, a part of the second air flow path 220 communicating with the space portion 230 formed in the main body midsole 200a is formed in the main body midsole 200a.

The remaining components are completely the same as in the first embodiment.

The auxiliary midsole 200b is formed in a plate shape corresponding to the shape of the foot, and a second air flow path 220 is formed at the front side in a central portion thereof, and is coupled to an upper portion of the main body midsole 200a, and the auxiliary midsole 200b. The rear portion of the through-hole is formed in communication with the air inlet pipe of the air bag, the front portion is formed with the through-hole communicating with the second air inlet pipe.

In the second embodiment, the airbag 400 is characterized in that it is formed of an elastic EVA main body midsole 200a by adjusting only the rear side of the air bag 400. The remaining components are the same as those of the first embodiment.

Operational effects according to the first and second embodiments are as described later.

When the shoe is grounded to the ground while the user wears the shoe, a downward pressure is applied to the upper portion of the midsole 200 by the ground pressure with the ground to press the upper cover 420. At the bottom, the upper pressure is applied to the midsole 200 and at the same time, the protruding pieces 310 are pressed upwards to apply intensive pressure to the airbag 400.

The midsole 200 is elastically contracted by the up and down pressure. At the same time, the airbag 400 is also contracted by the up and down pressure and the pressure of the protruding piece 310, and the air contained in the airbag 400 passes through the second air flow path 220 and simultaneously with the second check valve 520. Through the upper 100 is introduced into the upper 100, fresh air is introduced into the shoe and at the same time the airbag 400 and the midsole 200 is contracted to absorb the shock.

In addition, when the shoe is separated from the ground, the upper and lower pressures and the pressure by the protrusion 310 are dissipated, so that the midsole 200 is restored to its original state, and the airbag 400 is also restored to its original volume. Will be.

Fresh outside air sucked through the air inlet 101 outside the upper 100 through the first air flow path 210 and the first check valve 510 by restoring the midsole 200 and the airbag 400. Is introduced into the airbag 400.

By repeating the above process, fresh air outside the upper 100 is continuously supplied into the upper 100, ie, inside the shoe, through the air bag 400.

In addition, when the pressure is applied, such as when the shoe is bonded to the ground, the airbag 400 and the midsole 200 is absorbed by the shock force transmitted to the foot to be absorbed.

As mentioned above, although the preferred embodiment of the present invention has been limitedly described, the present invention is not limited thereto and can be applied to the applicable part.

According to the present invention, when the user walks or runs wearing shoes, the fresh air from the outside is continuously introduced by repeating the process of introducing the air introduced into the airbag from the outside of the shoe into the shoe.

In addition, when the shoe is grounded with the ground, the midsole and the airbag having a dual hardness are elastically flowed to thereby absorb the impact force.

In addition, there is an effect that a large amount of air flows into the shoe at one time by the contraction force of the air bag is increased by pressing the air bag.

On the other hand, there is also an effect to increase the contraction width of the airbag and at the same time to strengthen the shock absorbing power when landing on the ground by forming the projection and the airbag projection with different hardness at the bottom of the midsole and airbag respectively.

Claims (10)

An upper formed at the top of the shoe and accommodating the foot; An outsole formed on the bottom surface of the shoe and in contact with the ground; An air bag is formed between the outsole and the upper and is accommodated therein to expand / contract the air. A first air flow path and the air bag are connected to the inside of the air bag to flow air outside the upper in one direction inside the air bag. In the ventilated shoe consisting of: a midsole connected to the second air flow path to flow the air inside the airbag in one direction inside the upper; The midsole is formed of a synthetic resin material of an elastic material, the rear portion is formed through the space portion penetrated up and down, the inner wall surface of the space portion is formed with irregularities, the protruding portion protrudes downwardly adjacent to the rear space portion of the midsole Is formed, The airbag has a pump space formed therein, an airbag protrusion having the same shape as the protrusion formed in the midsole is formed at the bottom, and the outer surface is formed to be coupled to the space by forming an unevenness corresponding to the wall surface of the midsole. Ventilation shoes for shock absorption, characterized in that. According to claim 1, wherein the midsole is shock-absorbing ventilated shoes, characterized in that the foam expanded EVA material. According to claim 2, wherein the projection and the airbag projection hardness of the shock absorbing ventilation shoes, characterized in that larger than the hardness of the midsole. The shock absorbing ventilation shoe according to claim 1, wherein the outer wall surface of the air bag is formed of the same material as the midsole. The shock absorbing ventilation shoe according to any one of claims 1 to 4, wherein a protruding piece protruding downward from the bottom of the outsole and pressing the air bag when grounded to the ground is formed. delete The method of claim 1, wherein the midsole A main body midsole having an air bag installed therein and being connected only to the center portion of the shoe bottom; Shock absorbing ventilation shoes, characterized in that consisting of an auxiliary midsole formed in a shape covering the upper body midsole on the upper body midsole. The method of claim 5, wherein the airbag, An outer wall portion formed by being cut in the midsole and having irregularities formed on an outer surface thereof; An upper cover formed in a cover shape on an upper surface thereof to seal an upper part thereof; Shock absorbing ventilation shoes, characterized in that consisting of; 6. The air conditioner of claim 5, wherein the first air flow path is provided with a first check valve for allowing air outside the upper to flow in only one direction inside the air bag, and the second air flow path has air in the air bag inside one direction. Ventilation shoes for shock absorption, characterized in that the second check valve is installed to flow to the. The ventilation shoe for shock absorption according to any one of claims 1 to 4, wherein an auxiliary sole is further formed between the midsole and the upper.

Images