KR101964409B1 - A Self-made hydraulic insole - Google Patents

Abstract

The self-customizing water-curable insole according to the present invention comprises: a lower cushion portion which is seated on a bottom surface of a shoe and is formed of a material having an elastic restoring force to absorb an impact; an upper cushion portion joined to the upper side of the lower cushion portion and formed of a material having an elastic restoring force to absorb an impact; a water-curable portion which is built so as not to be exposed to the outside between the lower cushion part and the upper cushion part, includes a water-curable resin, and cures in a shape corresponding to a part of the foot by a load of a shoe wearer when the water-curable resin comes in contact with water supplied from the outside; and a multifunctional pad which is provided to have an absorbing and elastic restoring force between the water-curable portion and the lower cushion portion to absorb the impact applied from the upper side and to absorb water supplied from the lower side and supply the water to the water-curable portion.

Description

A self-made hydraulic insole < RTI ID = 0.0 >

The present invention relates to a self-adaptive hydroentangling shoe insole, which comprises a water-hardening part including a water-resistant resin in a shoe insole, and optionally a water-in-oil part in contact with water, The present invention relates to a self-made water-resistant shoes insole.

The present invention has a multifunctional pad having an area corresponding to that of the water-softening part and capable of absorbing the water supplied from the outside and uniformly supplying the water to the water-softening part, The present invention relates to a self-made water-resistant shoes insole.

The present invention relates to a self-made water-resistant shoes insole capable of preventing tearing and breakage of a lower cushion part caused by hardness of a water-hardened part with a multi-function pad.

The present invention relates to a shoe sole which has a receiving space for accommodating a hydroengineered part in a shoe insole and does not require an additional configuration for foot shaping, .

The present invention relates to a self-supporting water-resistant shoes insole which is made to be housed in a shoe insole so as not to be exposed to the outside of shoe insole during curing, thereby improving molding convenience and safety.

Generally, the human foot is in contact with the ground at the time of standing up, thereby supporting weight and enabling proper exercise such as walking. Therefore, it is necessary to distribute the load uniformly so that the entire sole comes into contact with the ground, thereby relieving the burden imposed on the feet.

However, most people walk from the left or right side of the sole to the ground when walking, and this causes the sole to feel a strain. In particular, when exercising over a long period of time, pressure is applied only to specific parts of the sole, so that fatigue is easily felt.

In order to solve the above problems, there is an attempt to absorb and absorb shock applied to the sole by forming an insole made of leather or polyurethane foam on the shoe.

However, since the shapes of the feet are different from each other, it is necessary to provide a pad having a different shape corresponding to the pad. However, since a general pad is produced in a large quantity, it can not satisfy such a demand.

For example, Korean Patent Laid-Open Publication No. 2003-0010435 discloses a gel-type room-temperature curing synthetic resin as shown in Fig. 1, which has a predetermined thickness and size Quot; customized shoe insole "which is formed into an insole having an inner surface, which is vacuum-packed with a film, and selectively cured by contacting the film with air to be cured within a predetermined period of time.

However, since the above-described technology is formed by pressing the front surface of the sole, it is possible to form the insole corresponding to the shape of the sole of each user, but when the user stands on the insole, the load applied to the sole by the sole is not distributed evenly, There is a problem that the molding is difficult to be performed.

In addition, since the film 5 needs to be removed after molding, there is a problem that usability is lowered.

In Korean Patent Registration No. 10-0715647, as shown in FIG. 2, a liquid synthetic resin 12 and a curing agent 13 are first filled in an upwardly open internal space of the insole frame 11, Quot; insole manufacturing kit "in which an insole can be obtained by secondary curing with a matched structure.

However, since the above-described technique requires a plurality of times of curing to complete the insole, there is a problem in that the ease of use is reduced, and the process of manufacturing the insole is complicated and the ease of use is deteriorated.

Korean Patent Registration No. 10-1276093 discloses a personal fitting insole comprising an upper plate for shock absorption and a lower plate having a solidified resin solidified by pressure stimulation as shown in FIG.

However, the above technique is characterized in that the solidifying resin is composed of the curing resin 144a, the foaming agent 144b for foaming the curing resin, and the plasticizer 144c for stabilizing the foaming of the cured resin, and the foaming agent 144b and the plasticizer 144c Since the capsule is configured to be mixed with the hardening resin while being blown by the stimulation, the problem that the capsule does not break due to irregularly provided stimulation may be caused, and the unfired capsule may have a foreign body feeling after the solidifying resin coagulates There are problems that can arise.

Korean Patent Laid-Open Publication No. 10-2016-0048728 discloses a customized insole 10 provided with a pre-hill cup on the lower side of the cushion layer portion as shown in Fig.

In the conventional art, the insole 10 is placed on the elastic plate, and the user is allowed to stand on the upright so that it can be changed according to the user's foot shape. In order to form the insole 10, There is a problem that the usability is deteriorated.

In addition, since the pre-heel cup remains exposed to the outside of the cushion layer portion, the pre-heel cup may be detached from the cushion layer portion in a hardened state. In such a case, injury to the user's foot may occur, .

Accordingly, in Korean Patent No. 10-1703478, as shown in FIG. 5, a water-hardening part 160 including a water-resistant resin is built in a shoe pad 100, and is selectively brought into contact with water, A shoe pad for shoes is disclosed.

However, in the above-described patent, since the water-hardening part 160 directly contacts the upper surface of the lower cushion part 120, when the user's weight is applied in a state where the water-hardening part 160 is cured, the upper cushion part 140 There is a problem in that the impact is transmitted through.

Further, there is a problem that the lower cushion part 120 is torn or broken due to the direct contact between the hardened water-hardening part 160 and the lower cushion part 120.

SUMMARY OF THE INVENTION The object of the present invention is to solve the problems of the prior art as described above, and it is an object of the present invention to provide a shoe insole, which comprises a water- So as to provide a customized water-resistant shoes insole.

Another object of the present invention is to provide a multifunctional pad having an area corresponding to the water-hardening portion, capable of absorbing water supplied from the outside and uniformly supplying the water to the water-hardening portion, So that the curing reaction and the convenience can be provided at the same time.

It is another object of the present invention to provide a self-fitting water-resistant shoes insole which is equipped with a multi-function pad and can prevent tearing and breakage of a lower cushion part caused by hardness of the water-hardening part.

Another object of the present invention is to provide a shoe insole which is provided with a receiving space for accommodating a water-shrinkable portion and does not require an additional constitution for foot-shaping, thereby improving the usability of the water- And to provide a customized water-resistant shoes insole.

It is another object of the present invention to provide a self-supporting water-resistant shoes insole that can be easily molded and improved in safety by preventing the space from being exposed to the outside of the shoe insole during curing by allowing the accommodation space to be embedded in the shoe insole.

The self-tailoring, water-hardenable shoe insole according to the present invention comprises: a lower cushion portion which is seated on a floor surface of a shoe and is formed of a material having elastic restoring force to absorb an impact; and a material having elastic restoring force joined to the upper portion of the lower cushion portion A lower cushion part and an upper cushion part which are embedded so as not to be exposed to the outside and include a hydraulically curable resin and are in contact with water supplied from the outside, And a cushioning part which is provided between the water-softening part and the lower cushion part so as to have an absorbent and elastic restoring force so as to absorb the impact applied from the upper side and to absorb the water supplied from the lower side, And a pad.

And the multi-function pad has the same shape and size, and is embedded between the lower cushion part and the upper cushion part in a stacked state.

The upper surface of the lower cushion portion is provided with a receiving space for receiving the water-hardening portion and the multi-functional pad at the same time in a state of being recessed downward and spaced apart from the upper cushion portion.

The water-hardening unit is characterized in that the water-curable resin is impregnated in a liquid state in a pad made of any one of polyester, glass fiber and non-woven fabric.

The water-hardenable resin is composed of 25 to 60 wt.% Of MDI (methylene diphenyl diisocyanate) and 40 to 75 wt.% Of polyol based on the total weight of the water-hardenable resin. do.

The lower cushion part is formed with a plurality of water holes for allowing water to flow into the receiving space.

The multifunctional pad comprises a pair of outer shells forming an outer appearance, and an interior material positioned between the pair of outer shells and having elastic restoring force and absorbency.

And the pair of shells have different densities from each other.

According to the present invention, a water-softening part including a water-soluble resin is built in a shoe insole, and it can be selectively formed into contact with water so as to conform to the shape of a foot of a wearer.

Therefore, there is an advantage that stable support can be provided for various foot shapes.

In the present invention, a multifunctional pad having an area corresponding to that of the hydraulically shrinkable portion, capable of absorbing water supplied from the outside and uniformly feeding the hydrated portion, and performing the shock absorbing function at the same time is also provided.

Therefore, it is possible to simultaneously provide a stable curing reaction of the hydroscopic resin and convenience in molding, and it is possible to prevent the tear and breakage of the lower cushion part caused by the hardness of the hydroscopic part by the multifunctional pad in advance.

According to the present invention, the shoe insole is provided with a receiving space for accommodating the hydroengineered part, and the additional constitution for the foot shaping is not required, so that the hydroengineered resin is hardened in a uniformly distributed state without being deviated to one side. There is an advantage to be improved.

In addition, safety and beauty can be improved by preventing the water-hardened part from being exposed to the outside of the shoe insole.

1 is a partially cutaway perspective view showing the configuration of a custom shoe insole disclosed in Korean Patent Publication No. 2003-0010435.
2 is a view showing a configuration of a kit for manufacturing an insole disclosed in Korean Patent No. 10-0715647.
3 is a sectional view showing the configuration of a personal fitting insole disclosed in Korean Patent No. 10-1276093.
4 is a schematic diagram showing the configuration of a customized insole disclosed in Korean Patent Publication No. 10-2016-0048728.
5 is an exploded perspective view showing a detailed configuration of a pad for shoes disclosed in Korean Patent No. 10-1703478.
FIG. 6 is an exploded view of a separate component showing the detailed configuration of a self-tailoring hydraulic shoe insole according to the present invention. FIG.
7 is a rear perspective view showing the structure of a lower cushion part which is one example of a self-fitting water-resistant shoes insole according to the present invention.
FIG. 8 is a photograph showing a top surface appearance of a multifunctional pad, which is one example of a self-made hydraulic shoe insole according to the present invention.
FIG. 9 is a photograph showing a bottom surface appearance of a multifunctional pad, which is one example of a self-made hydraulic shoe insole according to the present invention.
FIG. 10 is a photograph showing a multifunctional pad housed in a lower cushion part of a self-aligning hydraulic shoe insole according to the present invention. FIG.
FIG. 11 is a photograph showing a multi-function pad and a water-cured part sequentially stacked in a lower cushion part in a self-fitting water-resistant shoes insole according to the present invention.
FIG. 12 is a photograph of a self-tailored hydroentangling shoe insole according to the present invention in which all the constitutions are stacked. FIG.

6 and 7, the construction of the self-made waterproof shoes insole 100 according to the present invention will be described.

FIG. 6 is an exploded view of a self-adjusting water-resistant shoes insole according to the present invention. FIG. 7 is a side view of a self- A perspective view is shown.

Prior to this, terms and words used in the present specification and claims should not be construed in a conventional and dictionary sense, and the inventor may appropriately define the concept of the term in order to describe its invention in the best possible way It should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely preferred embodiments of the present invention, and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

As shown in FIG. 6, the self-shaping water-resistant shoes according to the present invention 100 is inserted and seated in the shoe, and absorbs shocks from the ground when the wearer's weight is applied.

To this end, the shoe insole 100 is configured to have an elastic restoring force. That is, the shoe insole 100 includes a lower cushion part 120 formed of a material having an elastic restoring force and capable of absorbing shocks and resting on the floor of the shoe, and a lower cushion part 120 formed on the upper side of the lower cushion part 120, So that the impact transmitted to the wearer can be reduced by the upper cushion part 140 which is formed of a material having an elastic restoring force and absorbs impact.

Between the lower cushion part 120 and the upper cushion part 140, a water-hardening part 160 and a multifunctional pad 180 are provided so as not to be exposed to the outside. The water-hardenable portion 160 and the multi-function pad 180 will be described below in detail as a main constituent of the present invention.

The upper cushion part 140 may be provided with a cover 142 on the upper surface thereof. The outer skin 142 is made of a breathable material and is adhered to the upper surface of the upper cushion 140. Since the outer skin 142 can directly contact the human body, the outer skin 142 is preferably formed to have permeability to water.

In the shoe insole 100, a water-hardening part 160 is embedded. The water-hardening part 160 is located on the right side of the space between the lower cushion part 120 and the upper cushion part 140 and is in a state in which the outer side is completely shielded by the upper cushion part 140 and the lower cushion part 120 .

The water-hardening part 160 is configured to include a water-hardenable resin so that it can be cured to a shape corresponding to a part of the foot shape by the load of the shoe wearer upon contact with water.

That is, the shoe insole 100 according to the present invention is characterized in that the shape of the shoe sole 100 can be changed according to the shape of the foot of each shoe wearer.

More specifically, the water-hardenable resin layer 160 is formed by impregnating a pad 162 made of at least one of polyester, glass fiber and nonwoven fabric in a liquid state, and the water- And react and cure.

In the embodiment of the present invention, the hydro hardening resin is composed of 25 to 60 wt.% Of MDI (methylene diphenyl diisocyanate) and 40 to 75 wt.% Of polyol based on the total weight .

The water-hardenable resin may be constituted by controlling the content of the shoe insole so as to control the degree of padding of the shoe insole.

More specifically, when the shoe insole is desired to be soft, the hydroscopic resin may contain 25 to 35 wt.% Of MDI (methylene diphenyl diisocyanate) and 60 to 75 wt.% Of polyol, .

In order to harden the shoe insole, it is configured to contain 50 to 60 wt.% Of MDI (Methylene diphenyl diisocyanate) and 40 to 50 wt.% Of polyol.

If it contains less than 25 wt.% Of MDI (Methylene diphenyl diisocyanate), it is difficult to match with the shape of the user's feet because of the rapid curing when in contact with water. If the content of MDI (methylene diphenyl diisocyanate) exceeds 60 wt. If it contains isocyanate (Methylene diphenyl diisocyanate), it remains in a gel state without being cured, which is undesirable.

Therefore, MDI (Methylene diphenyl diisocyanate) and polyol can be variously modified and applied within the above-mentioned content range in accordance with the feeling of the user's need.

The pad 162 may have various thicknesses, sizes, and shapes depending on the size and thickness of the shoe insole 100, and the pad 162 may be formed to have air permeability so that the water-hardenable resin can be impregnated.

The pad 162 is seated in the receiving space 122 to restrict its movement. The receiving space 122 is recessed to accommodate the water-hardening part 160 and is formed to have a size and shape corresponding to the water-hardening part 160 in the downward direction from the upper surface of the lower cushion part 120 have.

More specifically, the receiving space 122 is depressed downward from the upper surface of the lower cushion 120, and the outer shape of the receiving space 122 is not exposed when viewed from the lower surface of the lower cushion 120 as shown in FIG. Is formed.

Therefore, when the water-hardened part 160 is accommodated in the accommodation space 122 and the upper cushion part 140 and the lower cushion part 120 are in contact with each other, the water- And is disposed such that it is impossible to visually confirm at which portion the water-softening portion 160 is embedded when viewed from the outside of the shoe insole 100.

At this time, the bottom surface of the accommodating space 122 is spaced apart from the bottom surface of the upper cushion part 140. Even if the load of the wearer is applied, the hydro curler 160 flows only in the accommodating space 122, It is possible to prevent a safety accident or the like which may occur due to the outflow of the water-softening unit 160, as well as to improve the formability.

The lower cushion 120 is made of a material having elasticity, and a plurality of permeability holes 124 are formed on the bottom surface.

The permeable hole 124 is configured to allow water to flow into the lower cushion 120, more specifically, into the accommodation space 122. In the embodiment of the present invention, The water can be easily introduced into the receiving space 122 from the outside by piercing the bottom surface of the space 122.

The water-hardening part 160 may be cured when exposed to moisture contained in the air for a long period of time, so that the shoe insole 100 is preferably stored and shipped in a completely sealed state.

On the other hand, the upper cushion part 140 is formed as an elastic member as a whole, and the above-described shell 142 is attached to the upper surface.

The upper cushion part 140 can be formed in a state in which a plurality of the upper cushion parts 140 are attached at one time by various methods such as injection molding or foam molding, and the upper cushion part 140 is finished after cutting to have a desired size and shape.

The lower cushion 120 includes a plurality of cushion layers 126 as shown in FIG. 7, and a plurality of the cushion layers 126 may be compressed at least partially.

At this time, the multi-cushion layer 126 may be formed into an elastic member having a different elastic modulus depending on the position as the magnitude of the applied load varies.

A multi-function pad 180 is further provided between the water-hardening part 140 and the lower cushion part 120. The multifunctional pad 180 is formed to have a predetermined thickness so as to have a cushion and is formed in a size and shape corresponding to the water-hardening portion 160.

The multifunctional pad 180 is provided to have absorbency and elastic restoring force so as to absorb the impact applied from the upper side and to absorb the water supplied from the lower side and to supply the water to the water softening unit 160.

Hereinafter, the detailed configuration of the multifunctional pad 180 will be described with reference to FIGS. 8 and 9. FIG.

FIG. 8 is a photograph showing a top view of a top surface of a multi-function pad, which is one example of a self-fitting water-resistant shoes insole according to the present invention. FIG. 9 is a cross- Is shown on the lower surface of the body.

As shown in the figure, the multifunctional pad 180 includes a pair of outer sheaths 182 and an inner member 184 positioned between the pair of outer sheaths 182 and having elastic restoring force and absorbency.

The pair of outer sheaths 182 are configured to form an outer appearance of the multi-function pad 180, and are configured to have water permeability and different air permeability.

That is, the multifunctional pad 180 is accommodated in the accommodating space 122 in a state of being positioned below the water-hydrating part 160, and water flowing upward in the water through the water-permeable hole 124 is faded, So that it can be supplied to the heating unit 160.

Therefore, the outer shell 182 having a high air permeability (relatively large perforations) is located on the lower side as shown in FIG. 6 and the outer shell 182 having relatively low air permeability (see the upper side 182 in FIG. 8) Is disposed adjacent to the water-hydrating section 160 to help the water supplied from the lower side to be absorbed more quickly.

An interior material 184 is provided between the pair of outer sheaths 182. The interior material 184 is configured such that the outer covering 182 is bonded or thermally bonded to both sides and is located inside the outer covering 182. The interior material 184 is applicable to a sponge or the like within a range having water elasticity and elastic restoring force.

Hereinafter, the process of combining the respective components of the shoe insole will be described with reference to FIGS.

Fig. 10 is a photograph showing a multi-function pad accommodated in a lower cushion part of a self-fitting hydraulic shoe insole according to the present invention. Fig. 11 shows a self- And FIG. 12 is a photograph showing a laminated structure of all the components of the self-fitting water-resistant shoes according to the present invention. FIG. 12 is a cross- .

10, in a state where the lower cushion part 120, the multifunctional pad 180, the water-hardened part 160 and the upper cushion part 140 are prepared as shown in FIG. 6, 180).

Then, as shown in FIG. 11, the multi-function pad 160 is stacked on top of the multifunctional pad 180.

The multifunctional pad 180 is in contact with the bottom surface of the accommodation space 122. The multifunctional pad 180 is in contact with the bottom surface of the accommodation space 122.

The multifunctional pad 180 and the water-softening unit 160 are accommodated in the accommodation space 122 by placing the upper cushion unit 140 on the lower cushion unit 120 and then thermally adhering the same .

Hereinafter, the operation of the shoe insole 100 will be described.

First, the shoe insole 100 may be enclosed with the shoe, or the purchaser may purchase the shoe insole 100 separately.

At this time, the shoe insole 100 is preferably stored and shipped in a sealed state so as not to be in contact with outside air.

The user releases the sealed state of the shoe insole 100 and then supplies water to the water-hardened portion 160 embedded in the shoe insole 100 to be hardened.

That is, the external water is introduced into the accommodation space 122 through the permeable hole 124, and the multifunctional pad 180 can be immersed in water by the interior material 184. The water in the interior material 184 is supplied to the water-hardening part 160 by the user's action of gripping the shoe insole 100, so that the water-hardening reaction proceeds.

Then, when the user puts the shoe insole 100 into the shoe and puts his or her foot into the shoe so as to stand straight, the water-hardened part 160 pressed by the user's weight is deformed to correspond to the foot shape of the user, Whereby the hydroscopic resin is cured.

According to the above-described process, the user can obtain the customized shoe insole 100 that fits his or her feet.

At this time, the hardened water-hardened part 160 is completely wrapped by the lower cushion part 120 and the upper cushion part 140 and does not directly touch the foot of the wearer, so that the occurrence of a safety accident can be prevented in advance.

In addition, since the multifunctional pad 180 itself has an elastic restoring force, the external shock can be absorbed once more to lower the fatigue of the user, and the lower cushion part 120 is torn by the relatively hard water- It is also possible to prevent damage.

The scope of the present invention is not limited to the above-described embodiments, and many other modifications based on the present invention will be possible to those skilled in the art within the scope of the present invention.

100. Self-made water-resistant shoes 120. Lower cushion part
122. Capacity space 124. Pitch hole
126. Cushion layer 140. Upper cushion part
142. Skin 160. Hydroponics
162. Pad 180. Multi-function Pad
182. Enclosure 184. Interior materials

Claims (8)

A lower cushion portion which is seated on a floor surface of the shoe and is formed of a material having an elastic restoring force to absorb an impact,
An upper cushion portion joined to the upper side of the lower cushion portion and formed of a material having an elastic restoring force to absorb impact,
A waterproofing part embedded in the waterproofing resin so as not to be exposed to the outside between the lower cushion part and the upper cushion part and curing to a shape corresponding to a part of the foot by the load of the shoe wearer when the water comes in contact with water supplied from the outside,
And a multifunction pad provided between the water-softening portion and the lower cushion portion so as to absorb the impact applied from the upper side and absorb the water supplied from the lower side and supply the absorbed water to the water softening portion,
The multi-
A pair of outer sheaths forming an outer appearance,
And an interior material positioned between the pair of outer sheaths and having elastic restoring force and absorbency,
Wherein the pair of outer sheaths have different densities from each other.
The self-aligning hydraulic shoe insole according to claim 1, wherein the water-hardening portion and the multi-function pad have the same shape and size, and are embedded between the lower cushion portion and the upper cushion portion in a stacked state.
The footwear according to claim 2, wherein the upper surface of the lower cushion part is provided with a receiving space for receiving the water-hardening part and the multi-functional pad at the same time in a state of being recessed downward and spaced apart from the upper cushion part.
[4] The self-aligning hydraulic shoe insole according to claim 3, wherein the water-hardened portion is impregnated with a hydraulic resin in a liquid state on a pad made of at least one of polyester, glass fiber and nonwoven fabric.
5. The resin composition according to claim 4, wherein the water-
Characterized in that it comprises 25 to 60 wt.% Of MDI (methylene diphenyl diisocyanate) and 40 to 75 wt.% Of polyol based on the total weight of the hydroentanglement resin. Insole.
[6] The self-aligning hydraulic shoe insole of claim 5, wherein the lower cushion part is formed with a plurality of water hole holes for allowing water to flow into the receiving space.
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