JP5207555B2 - Shoe sole with replaceable shock absorbing member - Google Patents

Description

The present invention relates to a shoe sole in which an impact absorbing member can be replaced. More specifically, even when a footwear is completed and worn, an impact suitable for the situation according to the wearer's foot state, road surface state, walking motion, and the like. The present invention relates to a shoe sole in which an impact absorbing member that can be replaced with an absorbing member at any time and has improved usability can be replaced.

In general, the soles are attached to the lower surface of the upper part of the skin surrounding the instep of the wearer to protect the sole of the wearer so that the sole does not directly touch the road surface. Its basic purpose is to reduce fatigue even when walking.

Recently, functional shoe soles that achieve the basic purpose described above and protect the wearer's feet from impacts applied during walking have been used. For example, an impact absorbing member is provided on the heel portion of the shoe sole. Built-in to protect the wearer from impacts when walking.

Since such a functional shoe sole has a built-in shock absorbing member, there is a merit that the wearer can easily walk. Typical examples of the impact absorbing member include a cushion member, a spring, and an air bag formed of a large and soft material. These are incorporated in each shoe sole or integrally formed and cannot be separated. ing.

On the other hand, among the types of the shock absorbing members, the cushion member is selected when trying to walk more smoothly and comfortably, and the spring is excellent in resilience and when trying to walk lighter. Selected. The airbag is selected when trying to walk about the middle between the cushion member and the spring.

In order to wear it in such a situation, the wearer needs at least three pairs of footwear. In this case, in addition to wasting money due to the purchase of a large number of footwear, there is a considerable inconvenience in storage. Occur.

The present invention has been made in order to solve the above-described problems, and the purpose of the present invention is the situation depending on the wearer's foot state, road surface state, walking motion, etc. even when the footwear is completed and worn. The present invention is to provide a shoe sole in which a shock absorbing member that can be replaced at any time with a shock absorbing member that meets the requirements and improved usability can be replaced.

In order to achieve the above-described object, the present invention provides a shoe sole that is attached to the lower surface of the upper part that surrounds the instep part. Any one selected from the group of shock absorbing members consisting of air bags, springs and cushion members is inserted into the space to absorb the shock, but depending on the wearer's foot state, road surface state or walking motion, A pair of mounting grooves that are symmetrical to select any one of the group of shock absorbing members so that they can be replaced and used at any time, and to prevent the shock absorbing members from being replaced on the upper and lower surfaces of the empty space. Is characterized by being recessed.

According to the present invention, since an empty space is formed on the side surface, an air bag and a cushion having an absorptive power and a cushion feeling suitable for the situation according to the wearer's foot state, road surface state, walking motion, etc. Any one type selected from the group of shock absorbing members consisting of members and springs can be used interchangeably at any time, and as a result, usability is improved.

Not only that, it is possible to realize footwear having different shock absorption capabilities with a single footwear, which has the advantage of being economical.

“A” is a schematic side view of a shoe sole in which an impact absorbing member according to a preferred embodiment of the present invention can be replaced, and “b” is a schematic longitudinal sectional view of “a”. [A] to [c] are perspective views showing an impact absorbing member according to a preferred embodiment of the present invention. "A" to "c" is a schematic side view showing a use state of a shoe sole in which an impact absorbing member according to a preferred embodiment of the present invention can be replaced. It is process drawing for demonstrating the manufacturing process of the shoe sole in which the impact-absorbing member by suitable one Embodiment of this invention is replaceable. It is process drawing for demonstrating the manufacturing process of the shoe sole in which the impact-absorbing member by other one Embodiment of this invention is replaceable. It is process drawing for demonstrating the manufacturing process of the shoe sole which can replace the impact-absorbing member by other one Embodiment of this invention. It is process drawing for demonstrating the manufacturing process of the shoe sole which can replace the impact-absorbing member by other one Embodiment of this invention.

Hereinafter, a shoe sole in which the shock absorbing member of the present invention can be replaced will be described in detail with reference to the accompanying drawings.

Prior to this, the terms and words used in this specification and claims should not be construed to be limited to ordinary or lexicographic meanings, and the inventor should describe his invention in the best possible manner. It should be construed as a meaning and concept consistent with the technical idea of the present invention in accordance with the principle that the concept of terms can be appropriately defined.

Therefore, the embodiment shown in this specification and the configuration shown in the drawings are only the best embodiment of the present invention and do not represent any technical idea of the present invention. It should be understood that there can be various equivalents and variations that can be substituted.

1 is a schematic side view of a shoe sole in which a shock absorbing member can be replaced according to a preferred embodiment of the present invention, and “b” is a schematic longitudinal sectional view of “a”. FIGS. 2A to 2C are perspective views illustrating an impact absorbing member according to a preferred embodiment of the present invention.

First, referring to FIG. 1, an empty space 110 penetrating left and right is formed on the side surface of the shoe sole 100 to which the shock absorbing member of the present invention can be replaced. The empty space 110 is at least one, preferably, It is formed in the heel part and the toe part, respectively. And it is more stable because the empty space 110 is formed in an elliptical shape rather than a circular shape.

In addition, a pair of symmetrical mounting grooves 120a and 120b are recessed in the upper and lower surfaces of the empty space 110, and this is provided to prevent the impact absorbing member 200 described later from being detached.

Further, a shank 130 for maintaining the shape of the shoe sole 100 and restoring the original shape well is built in the upper part of the shoe sole 100, but this shank 130 is widely used. Therefore, a separate description is omitted.

On the other hand, the shoe sole 100 has a midsole 102 made of a soft material and an outsole 104 made of a material harder than the midsole 102 and attached to the lower surface thereof and directly attached to the ground. The empty space 110 can also be formed on the side surface of the midsole 102, and the midsole 102 and the outsole 104 are particularly formed by forming the midsole 102 and the outsole 104 from the same material. It is also possible to form the empty space 110 on the side surface in a state where it is not.

Subsequently, the shock absorbing member 200 is inserted into the empty space 110 formed on the side surface of the shoe sole 100 configured as described above to absorb the shock when walking, but referring to FIG. A group of impact absorbing members 200 that are inserted to absorb the impact are shown.

That is, the shock absorbing member 200 of the present invention is composed of a group of an air bag 210, a spring 220, and a cushion member 230 formed of a soft material shown in order from “a” to “c”. Any one selected from the group is inserted into the empty space 110. That is, when trying to walk more smoothly and comfortably, the cushion member 230 is selected and inserted into the empty space 110, and when trying to walk lighter, the spring 220 having excellent resilience is selected. The air bag 210 is selected and inserted into the vacant space 110 when inserted into the vacant space 110 and trying to walk with a cushion feeling about the middle between the cushion member 230 and the spring 220.

Here, the air bag 210 is filled with air, and has an accordion shape so that it does not easily come out by fitting into the mounting grooves 120a and 120b formed in the upper and lower surfaces of the empty space 110. It is preferable.

In short, in the present invention, unlike the conventional case, the shoe sole 100 and the impact absorbing member 200 are separately manufactured and replaced at any time. This will be described as follows.

3A to 3C are schematic side views showing a use state of a shoe sole in which a shock absorbing member according to a preferred embodiment of the present invention can be replaced.

First, referring to “a”, the shoe sole 100 to which the shock absorbing member 200 can be replaced is attached to the lower surface of the upper portion 140, and the empty space 110 formed on the side surface of the shoe sole 100 is made of a soft material. A cushion member 230 is inserted. This is used by inserting into the empty space 110 when a pedestrian wants to walk more easily.

When the user walks using the shoe sole 100 in which the cushion member 230 is inserted in this manner and intends to walk lighter according to the road surface condition or the walking motion, the cushion member inserted into the empty space 110. 230 is pushed and removed in either direction, and a spring 220 having excellent resilience is inserted into the empty space 110 as shown by “b”.

At this time, it is more stable that the spring 220 is inserted in the mounting grooves 120a and 120b formed in the upper and lower surfaces of the empty space 110 so as to be mountable.

When the spring 220 is inserted into the empty space 110 of the shoe sole 100 as described above, a lighter walk is possible due to the resilience of the spring 220.

Subsequently, when the user wants to walk with a cushion feeling that is intermediate between the cushion member 230 and the spring 220 according to the state of the foot or the road surface, the spring 220 is removed from the empty space 110 as shown in “c”. Insert the air bag 210 into the field. Of course, it is preferable that the airbag 210 is also attached to the attachment grooves 120a and 120b formed in the upper and lower surfaces of the empty space 110.

On the other hand, when empty spaces 110 are formed at two locations on the side surface of the shoe sole 100, as shown in “b”, a spring 220 is inserted at one location, and a cushion member 230 as shown is shown at the remaining location. It is also possible to realize a feeling of different cushioning at the toe portion and the heel portion. Thus, it is possible to use the shock absorbing member 200 that suits the wearer from the standpoint of the wearer, and can be replaced at any time according to the situation.

That is, it is preferable to select and use the cushion member 230 or the air bag 210 having excellent cushion feeling in a place where the feet are tired or the road surface is uneven, and the road surface is not uneven. Alternatively, it is preferable to select and use the spring 220 when trying to exercise. Of course, since such a selection is arbitrarily determined by the user, the present invention is not limited to this.

In short, the shoe sole 100 to which the shock absorbing member of the present invention can be replaced has an empty space 110 formed on the side surface, so that absorption that suits the situation depends on the wearer's foot state, road surface state, walking motion, and the like. Any one selected from the group of the shock absorbing member 200 including the air bag 210 having a force and a feeling of cushion, the cushion member 230, and the spring 220 can be used at any time to improve usability.

In addition, there is a merit that it is possible to realize footwear having different shock absorption ability with a single footwear and is economical.

Hereinafter, a method for manufacturing the shoe sole 100 in which the shock absorbing member having the above-described configuration and action can be replaced will be described.

FIG. 4 is a process diagram for explaining a shoe sole manufacturing process in which a shock absorbing member according to a preferred embodiment of the present invention can be replaced, and FIG. 5 is a shock absorbing process according to another embodiment of the present invention. FIG. 6 is a process diagram for explaining a shoe sole manufacturing process in which members can be replaced, and FIG. 6 illustrates a shoe sole manufacturing process in which a shock absorbing member according to still another embodiment of the present invention can be replaced. FIG. 7 is a process diagram for explaining a shoe sole manufacturing process in which an impact absorbing member according to still another embodiment of the present invention can be replaced.

First, referring to FIG. 4, the shoe sole 100 of the present invention is integrally foam-molded, but is vacant space in which mounting grooves 120 a and 120 b that are symmetrically formed on the upper and lower surfaces are recessed in the left and right sides. It is manufactured by a molding step (s100) for forming 110. That is, when the shoe sole 100 is formed, the midsole and the outsole are formed from the same material without separate division. As described above, the group of shock absorbing members 200 is replaced in the empty space 110 of the shoe sole 100 formed in this way.

Next, FIG. 5 is an embodiment showing another manufacturing process of the shoe sole 100, in which an empty space 110 is formed in which side walls are penetrated left and right and symmetrical mounting grooves 120a and 120b are respectively provided in the upper and lower surfaces. A first molding step (s110) for foam-molding the formed midsole 102, a second molding step (s120) for foam-molding the outsole 104 from the same or different material as the midsole 102, and a lower surface of the midsole 102 It is manufactured including an attaching step (s130) for attaching the outsole 104. As described above, the group of shock absorbing members 200 is replaced in the empty space 110 of the shoe sole 100 manufactured in this way.

Next, FIG. 6 is an embodiment showing still another manufacturing process of the shoe sole, which is open to the left and right sides and the lower side on the side surface, but is hemispherical or semielliptical in which the mounting groove 120a is recessed. A first molding step (s110 ′) for foam-molding the first midsole 102a in which the concave portion 106 is formed, and a second midsole 102b and an outsole sequentially from the same or different material as the first midsole 102a 104 is formed, but another mounting groove 120b is recessed on the upper surface of the second midsole 102b at a position symmetrical to the mounting groove 120a recessed in the first midsole 102a. The second molding step (s120 ′) and the second midsole 102b attached to the lower surface of the first midsole 102a, and hemispherical or semi-elliptical left and right through holes Are prepared include adhesion step (s130) for forming between 110. Similarly to the above, the group of shock absorbing members 200 is also replaced in the empty space 110 of the shoe sole 100 manufactured as described above.

Finally, FIG. 7 is an embodiment showing still another manufacturing process of a shoe sole, which is opened to the left and right sides and the lower side on the side surface, but is hemispherical or semielliptical with a recessed mounting groove 120a. A first molding step (s110 ′) for foam-molding the first midsole 102a in which the recess 106 is formed, and the first midsole 102a is formed of the same or different material as the first midsole 102a. A second molding step (s120 ″) for foam-molding the second midsole 102b in which another mounting groove 120b is recessed at a position symmetrical to the mounting groove 120a provided in the concave 102a; and the first midsole A third molding step (s140) for foam-molding the outsole 104 formed of the same or different material as the 102a, and a second midsole 102 on the lower surface of the first midsole 102a. And attaching the outsole 104 to the lower surface of the second midsole 102b while completing the midsole 102 in which the left and right vacant spaces 110 are formed on the side surfaces. s130). Similarly to the above, the group of shock absorbing members 200 is also replaced in the empty space 110 of the shoe sole 100 manufactured as described above.

In short, the shoe sole 100 in which the shock absorbing member of the present invention can be replaced can be manufactured by various methods, but can also be manufactured integrally without dividing the midsole 102 and the outsole 104, 102 and the outsole 104 can be manufactured separately, and the midsole 102 itself can be manufactured in two parts.

Accordingly, the shoe sole 100 according to the present invention has the empty space 110 formed on the side surface of the shoe sole 100 regardless of the manufacturing method, and the air bag 210, the spring 220, and the cushion member 230 are formed in the empty space 110. Any one selected from the group of shock absorbing members 200 is inserted, but is configured to be interchangeable at any time.

The foregoing has outlined rather broadly the features and technical advantages of the present invention in order that the claimed subject matter described below may be better understood. Additional features and advantages of the present invention will be described in detail. It will be appreciated by those skilled in the art that the disclosed concepts and specific embodiments of the present invention are the basis for the design and modification of other structures to serve similar purposes and are readily available. It must be.

Also, the inventive concepts and embodiments disclosed in the present invention are the basis for modifying or designing other structures to accomplish the same purpose of the present invention, and such modifications by those skilled in the art. Alternatively, the modified equivalent structure can be variously changed, replaced, and changed without departing from the spirit and scope of the invention described in the claims.

100: shoe sole,
102: Midsole 104: Outsole 110: Empty space 120a, 120b: Mounting groove 130: Shank 140: Upper part 200: Shock absorbing member 210: Air bag 220: Spring 230: Cushion member s100: Molding process s110, s110 ' : First molding step s120, s120 ′, s120 ″: second molding step s130: adhesion step s140: third molding step

Claims (1)

In the sole attached to the lower surface of the upper skin part that surrounds the instep part,
At least two or more vacant space portions penetrating left and right are formed on the side surface, and any one selected from the group of shock absorbing members consisting of air bags, springs and cushion members is inserted into the vacant space for impact. Although it absorbs, according to a wearer's foot state, a road surface state, or walking motion, it chooses any one kind of the group of the above-mentioned shock-absorbing member, and it can replace it at any time, and can use it.
A pair of symmetrical mounting grooves are formed in the upper and lower surfaces of the empty space so as to prevent separation of the shock absorbing member to be replaced .
A shoe sole in which shock absorbing members can be exchanged, wherein different shock absorbing members are inserted into two empty spaces .

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