KR20070014582A - Shoe-sole of air ventilation type with plate protecting foot-sole - Google Patents

Abstract

An air circulation type shoe sole having a foot sole protection plate built therein is provided to be flexibly transformed according to the movement of a user's foot by letting a protection plate bent on the connection portion of protection element plates. In the air circulation type shoe sole having a foot sole protection plate built therein, plural air jet holes(12) are formed on the front part, an air chamber(14) communicating with the air jet holes(12) is formed in the rear part, an air inlet(16) is formed on the side of the shoe sole and a protection plate(18) is built in the lower side of the air chamber(14). The protection plate(18) consists of plural protection element plates(42,44,46,48) and a curved plate portion is formed wherein the protection element plates(42,44,46,48) are overlapped.

Description

Shoe-sole of air ventilation type with plate protecting foot-sole

1 is a perspective view of an air circulation shoe sole with a sole protection plate according to the present invention;

Figure 2 is a cross-sectional view of the upper sole and the lower sole is separated in Figure 1,

3 is a cross-sectional view taken along the line A-A in FIG.

4 is a cross-sectional view of the upper sole of FIG.

Figure 5 is a perspective view showing a protective plate built in the lower sole of Figure 2,

6 is a cross-sectional view of the first and second flow path opening and closing means shown in FIG. 4;

7 is an exploded perspective view of the first and second flow path opening and closing means shown in FIG. 4;

8 (a) and 8 (b) are diagrams illustrating an operation of the first and second flow path opening and closing means of the present invention

Figure 9 (a) and (b) is a modified state of the sole of the present invention when walking,

10 is a modified state of the shoe sole of FIG.

Figure 11 is an exploded perspective view showing an embodiment in which the sole of the present invention is coupled to the sole.

<Explanation of symbols for the main parts of the drawings>

12: air injection hole 14: air chamber

16: air inlet 18: shield

20: upper sole 22: lower sole

24: aeration 26: distribution passage

28: communication path 30: the first opening and closing means

32: second euro opening and closing means 34: euro

36: body 38: valve

40: finishing ring 42, 44, 46, 48: protective element plate

The present invention relates to an air-circulating shoe sole having a sole protection plate therein.

In general, shoes were created for the purpose of protecting the feet, but with the change of times and fashions, the design and function have changed. Emphasis is placed on most shoes to emphasize breathability and drainage, and even more safety shoes.

Recently, as a part of preventing and / or treating foot odor, eczema and athlete's foot, an air-circulating sole has been introduced to keep the inside of the shoe clean by introducing fresh air into the shoe. Is being developed.

A shoe to which such an air circulation shoe sole is applied is disclosed in Korean Utility Model Registration No. 20-0351258. The registered utility model No. 20-0351258, by providing a shoe sole formed with a plurality of vent holes and ventilation grooves so that the outside air is evenly introduced into the shoe, the inflow of air through the contracting and restoring action made by the pressure of the foot when walking By naturally inducing the discharge and smooth circulation of air inside the shoe, the heat and humidity inside the shoe are adjusted to a good state to keep the inside of the shoe in a comfortable state, and the ventilation by making a ventilation groove to have an upward slope toward the inside direction It can block water, soil, and other foreign substances as much as possible through the hole, and when water or soil or other foreign substances are introduced, it is a structure that discharges naturally introduced water or foreign substances without installing a separate device.

On the other hand, in order to prevent the sharp object penetrates the bottom of the shoe and get injured to the sole of the sole has been disclosed a structure incorporating a steel protective plate inside the shoe sole.

By the way, conventional shoe soles that protect the sole of the foot is built in the sole is not flexible due to the flexibility of the foot movements, so if you need to bend the foot if necessary to apply a large force to overcome the resistance of the steel guard plate There is an inconvenience in that, due to the repeated deformation of the protection plate by bending and spraining of the foot, there is a problem that the protection plate is cracked and broken to damage the sole of the plastic or rubber material, as well as threaten the safety of the sole.

In addition, even if the user presses the sole with excessive force, the angle of whitening is very small due to the resistance of the protection plate, so that only the foot moves in the shoe and the sole does not follow the movement of the foot, causing a lot of pressure on the foot and causing pain. There was a problem.

In the shoe sole with such a protection plate, there is a problem in that the inlet and outlet of the air is naturally prevented because the contracting and restoring action made by the pressure of the foot is not made smoothly even though the vent hole and the vent groove are formed.

Therefore, the present invention has been made to solve the above problems, the object of the present invention is that the shoe sole is easily bent even if the protection plate is built, the air circulation is smoothly made to have a safe and comfortable ignition of the built-in foot protection plate To provide a revolving shoe sole.

In the air-circulating shoe sole having the sole protection plate according to the present invention, a plurality of air injection holes are formed at the front portion of the toe, an air chamber communicating with the air injection holes is formed at the rear portion, and air is supplied to the air chamber. An inflow air inlet is formed on the side of the sole, and the lower side of the air chamber is built with a protective plate for protecting the sole, the protective plate is composed of a plurality of protective element plates arranged to overlap each other along the longitudinal direction of the sole, The overlapping portion of the protection element plate is characterized in that the curved portion is formed so that the sole is easily bent while being caught with each other when the sole is bent.

The curved portion has a spherical curved surface in which adjacent protective element plates are inserted into the space therebetween.

The shoe sole is divided into an upper shoe sole formed with the air injection hole and an air chamber, and a lower shoe sole having the protection element plate embedded therein, and the upper shoe sole and the lower shoe sole are preferably bonded to each other.

The communication path communicating with the air injection hole and the air inlet are provided with a channel opening and closing means so that the air is smoothly introduced and discharged as the air chamber contracts and expands during walking.

An air passage is formed on the upper surface of the shoe sole, and a central air passage is formed in the longitudinal direction, and a plurality of branch air passages are formed in both directions with respect to the central air passage. The air injection hole communicates with a branch vent formed at the front of the shoe sole.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention;

1 to 3, the air circulation shoe sole with the sole protection plate according to the present invention has a plurality of air injection holes 12 formed at the front of the toe, and the air injection holes ( An air chamber 14 communicating with 12 is formed at a rear portion thereof, and an air inlet 16 through which air flows into the air chamber 14 is formed at the side of the shoe sole, and the sole of the foot is located under the air chamber 14. The protection plate 18 to protect the built-in structure.

The sole 10 of the present embodiment is divided into an upper sole 20 in which the air injection hole 12 and an air chamber 14 are formed, and a lower sole 22 in which the protection plate 18 is incorporated. The sole 20 and the lower sole 22 are bonded to each other. The upper shoe sole and the lower shoe sole may be integrally formed.

An air passage 24 is formed on the upper surface of the upper shoe sole 20. The vent 24 is composed of a central vent 24a formed in the center in the longitudinal direction and a plurality of branch vents 24b extending in both directions with the center vent 24a as a boundary. The branch aisle 24b is dug deeper towards the tip (edge of the shoe sole). The air injection hole 12 is in communication with the branch passage 24b formed in the front portion of the upper shoe sole 20.

A distribution passage 26 is formed in the bottom of the upper shoe sole 20 so as to distribute air to the air injection hole 12, while the air chamber 14 is formed in the bottom. The distribution passage 26 and the air chamber 14 are blocked by the lower sole 22 to form an inner space. The distribution passage 26 communicates with the air chamber 14 through the communication passage 28. The communication path 28 communicates with the air chamber 14 by forming a funnel portion 28b as the inlet becomes wider from the pipe portion 28a to the air chamber 14. First and second flow path opening and closing means 30 and 32 are inserted into the air inlet 16 and the communication path 28 so that the air is smoothly introduced and discharged as the air chamber contracts and expands during walking. / Installed The second flow path opening and closing means 32 is provided in the pipe portion 28a of the communication path 28.

The size (volume of expansion) of the air chamber 14 is preferably about 65% of the volume of the upper sole 20.

The first and second flow path opening and closing means 30 and 32 are connected to the end of the hook not shown in the air inlet 16 and the communication path 28 so as not to be released from the air inlet 16 and the communication path 28. Bound or forced by

The upper sole 20 is made of a polyurethane material and the like excellent in cushioning and restoring force to facilitate the contraction and expansion of the air chamber during walking.

As shown in FIGS. 6 and 7, the first and second flow path opening and closing means 30 and 32 have a body having a flow path 34 formed of a first flow path 34a and a second flow path 34b therein. (36), a valve (38) inserted into the flow path (34) to open and close the flow path, and the body (36) of the body (36) to facilitate assembly of the valve (38) and to prevent separation of the valve (38). It consists of a finishing ring 40 coupled to the end of the two channels 34b. The closing ring 40 is fixed to the body 36 by a fastening member 42.

The second passage 34b of the body 36 has a larger passage cross-sectional area than the first passage 34a, and an end portion of the first passage 34a, that is, the first passage 34a and the second passage 34b. The valve seat surface 36a which the valve plate part mentioned later of the said valve 38 adjoins is formed in the boundary part of the valve 38, and the guide protrusion strip which guides the said valve 38 in the inner surface of the said 2nd flow path 34b ( 36b) is formed along the longitudinal direction. Four guide protrusions 36b are formed along the circumferential direction.

The valve 38 includes a guide part 38a inserted into and guided by the first flow path 34a, and a valve plate part 38b which is moved under the guidance of the guide projection band 36b in the second flow path 34b. ) The outer diameter of the valve plate portion 38b is larger than the diameter of the valve seat surface 36a and smaller than the inner surface of the second flow passage 34a, so that the valve plate portion 38b is in close contact with the valve seat surface 36a. When the air is shut off and the valve plate portion 38b is in close contact with the closing ring 40, the air passes through. A groove 38c into which the guide projection band 36b is fitted is formed on the outer surface of the valve plate portion 38b. The end of the guide portion 38a has a pointed tip in the shape of a cone.

The closing ring 40 is a ring having an inner circumferential surface 40a having the same inner diameter as the inner diameter of the second passage 34b, and the locking jaw 40b is disposed on the inner circumferential surface 40a so that the valve plate portion 38b does not fall out. Formed.

The first and second flow path opening and closing means 30 and 32 may be manufactured by injection molding using a PVC material or the like, and may be formed in various known structures in addition to the above embodiments.

The lower shoe sole 22 is made of polyurethane, PVC, TPR (ThermoPlastic Rubber) and the like to produce the injection plate or foam molding by embedding the protective plate 18.

2 and 5, the protective plate 18 is composed of a plurality of protective element plates 42, 44, 46, 48 arranged while overlapping each other along the longitudinal direction of the lower sole. The protective element plates 42, 44, 46, 48 are easily caught on one side or both sides (parts where the protective element plates overlap each other) of the flat plate portions 42a, 44a, 46a, and 48a when the soles are bent, and the lower sole is easily The curved plate portions 42b, 44b, 44c, 46b, 46c, and 48c are formed to be bent. The protective plate 18 is preferably manufactured to about 80% of the bottom area of the shoe sole.

The curved plate portions 42b, 44b, 44c, 46b, 46c, and 48c have a spiral curved shape in which adjacent protective element plates are fitted into the space therebetween.

In this embodiment, the protection element plates 42 and 44 are formed by the curved plate portions 42b and 44c, and the protective element plates 44 and 46 are connected to the curved plate portions 44b and 46c. Thus, the protective element plates 46 and 48 have a structure which is continued by the curved plate portions 46b and 48c, respectively.

10 shows that when the lower sole 22 is bent, the protective element plates 42, 44, 46, 48 interpolated in the upper sole 22 are each curved portion 42b, 44b, 44c, 46b, 46c, The protection plate 18 is bent and smoothly bent while being caught with each other around 48c).

9 (a) shows a state in which air is filled in the air chamber 14 during walking. At this time, the upper shoe sole 20 is restored from the rear of the shoe, the first opening and closing means 30 is opened as shown in Figure 8 (a), the second opening and closing means 32 is shown in Figure 8 (b) and Closed together, the outside air flows into the air chamber (14).

9 (b) shows a state in which the air of the air chamber 14 is released when the air is landed. As the air chamber 14 is contracted from the rear of the shoe, as shown in FIG. Air is blown into the shoe through the communication path 28 and the air injection hole 12 sequentially. At this time, the first channel opening and closing means 30 is closed as shown in FIG. 8 (b), and the second channel opening and closing means 32 is opened as shown in FIG. 8 (a) so that the air in the air chamber 14 is released. .

Figure 11 shows an embodiment of a state in which the sole according to the present invention is used. As shown, the air-circulating sole 10 according to the present invention is bonded to the upper surface of the sole 50, the sole 50 is formed with a sole receiving portion 52 for receiving the sole 10 On the side of the sole 50, a vent hole 54 communicating with the branch passage 24a is formed, while a through hole 54 communicating with the air inlet 16 is formed. The insole 60 is seated on the upper surface of the shoe sole 10 as needed.

The sole according to the present invention can be used as a midsole or insole, which is generally referred to by adjusting the thickness of the upper sole 20 and the lower sole 22 appropriately according to the conditions of the shoe.

According to the air-circulating shoe sole incorporating the sole protection plate according to the present invention, the flexibility is good and deforms flexibly as the foot moves. In other words, when the foot is bent as needed, the protective plate is easily bent at the connection portion of the protective element plate, thereby making the sole safe without burdening the foot. In addition, in the sole of the protection plate of the present invention, the contraction and restoring action made by the pressure of the foot is smoothly performed, so that the inflow and discharge of the air is natural.

Therefore, the present invention, even if the protection plate is built, the shoe sole is easily bent, and the air circulation is smoothly made to have a safe and comfortable ignition.

Claims (5)

A plurality of air injection holes are formed in the front portion where the toe is located, an air chamber communicating with the air injection hole is formed at the rear portion, and an air inlet for introducing air into the air chamber is formed at the side of the shoe sole, and the air chamber On the lower side of the sole protects the sole, The protective plate is composed of a plurality of protective element plates arranged while overlapping each other along the longitudinal direction of the sole, the overlapping portion of the protective element plate is formed when the sole is bent to bend each other when the sole is bent so that the curved portion is formed Air circulating sole with built-in sole protection. The method of claim 1, Said curved part is an air-circulating sole, characterized in that it has a spiral curved shape in which adjacent protective element plates are inserted into the space therebetween. The method of claim 1, The sole is divided into an upper shoe sole formed with the air injection hole and an air chamber, and a lower shoe sole having the protection element plate built therein, wherein the upper sole and the lower shoe sole are formed by adhering the air containing the sole protection plate. Retractable sole. The method according to any one of claims 1 to 3, The communication path communicating with the air injection hole and the air inlet are provided with a sole protection plate, characterized in that the flow path opening and closing means is provided to facilitate the inflow and discharge of air according to the contraction and expansion of the air chamber during walking. Circulating shoe soles. The method according to any one of claims 1 to 3, The sole of the sole of the sole of the sole is characterized in that the upper surface of the sole is formed with a vent for smoothly circulating the air.

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