JP2012501717A - Insole of footwear with impact dispersion function and rolling walking function - Google Patents

Abstract

The present invention relates to an insole for footwear that becomes a cushion material for footwear underlays, and more specifically, a buffer space as an empty space from the heel to the tip of the shoe through the outer side surface of the sole. When walking load is applied to an insole or shoe sole (Insole) while forming on the bottom or top surface of the insole, the compression rate becomes lower as it goes to the vertical toe part, and it goes to the heel and the tip part of the heel By adjusting the area of the buffer space so that the compression rate becomes higher, the sole part where the walking load mainly acts is easily supported by the buffer space, and at the same time, the insole part along the walking path By making the length of the back bend in a curved shape over the direction, this makes it easier and more natural for people who wear footwear to perform efficient rolling walks And at the same time to further safely protect the ankle and knee portion of the joint, providing a insole of the footwear having a shock dispersion capabilities and rolling gait function to be able to further reduce the fatigue of the entire foot.
The present invention relates to a footwear insole (Mid-sol) 11 which is applied to a footsole 10 and serves as a cushioning material for supporting a walking load. A buffer space 12 as an empty space is formed along the outer part of the sole from the foot to the tip of the finger, and the buffer space 12 goes to the heel and the tip of the heel centering on the vertical toe of the foot. In the state in which the buffer space 12 is formed on the upper surface of the insole 11, the bottom of the insole 11 has a length of the insole 11. Incision grooves 18 are formed at regular intervals along the vertical direction, and ribs (Rib) 17 protrude from the buffer space 12 along portions corresponding to the incision grooves 18. Make It is characterized by that.
[Selection] Figure 1

Description

The present invention forms a buffer space as an empty space from the heel through the outer side of the sole to the tip of the foot on the bottom or top surface of the insole for footwear, which becomes a cushioning material for the underwear, while the insole for footwear Adjust the area of the buffer space so that the compression rate decreases as it goes to the vertical foot arch and the compression rate increases as it goes to the heel and the tip of the shoe when the walking load acts on the shoe sole (Insole) By doing so, the sole part where the walking load mainly acts is easily supported by the buffer space, and at the same time, the insole part along the walking path is not curved in the length direction of the sole It is related to the insole of footwear which has a distributed function and a rolling walking function.

In general, footwear is worn to protect the foot area of the human body and is manufactured and marketed in a wide variety of forms and types, but generally covers and protects the foot and ankle areas. Consists of the soles of footwear to improve the walking performance by increasing the frictional force with the ground while protecting the upper and the sole, while also reducing the impact applied to the soles during walking Yes.
In the case of the above general footwear, lay shoes on the inner bottom surface of the footwear or have an excellent cushioning force on the bottom of the footwear and the heel so that the impact transmitted from the ground to the soles can be absorbed when walking It is known that it is made of a rubber or foamed sponge material, or an elastic restoring body such as an air bag or a spring is built in the sole of the footwear.
As described above, if the sole of the footwear is made of rubber or foamed sponge material, or if an elastic restoring body such as an airbag or a spring is incorporated in the sole of the footwear, only a simple shock absorbing function is provided. If you are based on a walking path that comes in contact with the ground while having a generally circular arc shape from the pedestrian's heel to the toes, the conventional general footwear floor is natural. There was a problem that could hardly contribute to the aspect of performing efficient walking.
In particular, recently, the number of people who enjoy outdoor activities has increased significantly due to the improvement of living standards and the spread of five-day work, so that people who enjoy outdoor activities can feel even better comfort. At the same time, the functional footwear development business will make it possible to contribute to health promotion just by walking with footwear, so that the joints and soles of the wearer's knees and feet are not forced. Footwear manufacturers invest a lot of time and effort.
As various functions that can be applied to footwear as described above, the anti-slip function, the shock absorption function, the athlete's foot prevention by the draft and the odor removal function have already been actively applied, and in addition to the shock absorption during walking Functional footwear is also provided that enables natural and efficient propulsive walking (hereinafter referred to as 'rolling walking') so that the ball rolls on a flat surface.
As described above, as a functional footwear that enables walking while rolling and a walking propulsion member that can be applied to the functional footwear, the present applicant filed an earlier application in Korean Patent Application No. 120288 in 2005 (filing date: December 2005). 09) and a patent registered in Korean Patent No. 10-560367 (Patent Document 1) (registration date: March 07, 2006) and footwear incorporating the walking propulsion member are known. .
The walking propulsion member of Patent Document 1 by the applicant of the present invention has an upper and lower body in the shape of a shoe heel, and a partition wall is installed between the upper and lower body at regular intervals. Upper and lower reference bulkheads formed perpendicular to the 3/5 to 4/5 fulcrum, and the slope increases with increasing distance from the reference bulkhead to both sides. The first and second compression partitions are formed so as to be inclined at 20 degrees.
Therefore, if a constant pressure is applied through the walking propulsion member according to Patent Document 1, the compression rate of the one side end portion of the walking propulsion member increases, and the compression rate decreases toward the middle portion of the walking propulsion member. After that, the compression rate becomes higher again as it goes to the other side end portion in the middle part of the walking propulsion member, so that the external appearance shape of the walking propulsion member becomes an arc as a whole. It becomes like this.
If the walking propulsion member according to Patent Document 1 as described above is built in the heel portion after the footwear underlay or the walking propulsion member itself is installed at the rear heel, the wear propulsion member itself is sequentially moved along the heel after walking. The walking propulsion member according to Patent Document 1 is compressed in a curved shape suitable for rolling walking due to the load of the human body acting on the pedestrian, so that the pedestrian's knees and the pedestrians through natural and efficient walking as well as shock absorption during walking It becomes possible to achieve joint protection of the foot part and fatigue reduction of the sole.
However, although the walking propulsion member according to Patent Document 1 is applied only to the heel portion after the footwear underlay, it was possible to achieve short-term rolling walking at the initial time of walking when the heel touches the ground. Appropriate load applied to the sole of the foot from the wearer's vertical arch (the part that went into the recess in the center of the sole) to the toe part There was a little deficiency in terms of providing a continuous rolling walk while being dispersed.
This prevents further rational and efficient load distribution and rolling walking over the entire sole length of the wearer's foot, preventing joint protection and foot fatigue reduction of the pedestrian's knees and feet. There is a problem that the effect is slightly reduced, and in the case of the walking propulsion member according to Patent Document 1, as with the airbag and the spring, the footwear is manufactured by a separate part and built in the sole of the footwear. The complexity of the process due to the production of footwear underlays has led to an increase in the unit price of footwear production.

Korean Patent No. 10-560367

The present invention has been devised in order to improve the above-mentioned problems of the prior art and the prior application, and to provide a more suitable insole for footwear on the side surface of the walking and propulsion walking that is more suitable for rolling. The insole of footwear with impact dispersion function and rolling walking function is to form a buffer space or buffer groove as an empty space from the heel to the tip of the foot through the outer surface of the sole at the bottom of the insole that becomes a cushioning material Therefore, the sole part where the load during walking is substantially concentrated can be easily supported by the buffer space or the buffer groove, thereby further reducing the fatigue applied to the sole during walking. It is a first technical problem to enable this.
Further, the present invention provides a buffer space or buffer so that when a walking load is applied to an insole for footwear, the compression rate decreases as it goes to the longitudinal arch part, and the compression rate increases as it goes to the heel and the tip part of the shoe. By adjusting the groove area, the insole part along the walking path does not have a curved shape along the length of the sole, which makes it easier and more efficient for people who wear footwear. A second technical problem is to enable safer protection of the ankle and knee joints by performing rolling walking.
At the same time, the present invention forms the buffer space on the upper surface of the insole, while forming the incision grooves at regular intervals along the length direction at the bottom of the insole, thereby forming the buffer space. In this case, ribs are formed to project along the part corresponding to the incision groove, so that the foot load can be increased by the insoles and insoles when the insoles are laid on the insoles for footwear. It is possible to contribute to the aspect of improving the appearance of footwear underlays by adhering the outsole to the bottom surface of the insole excluding the incision groove, as well as making it possible to disperse and propel rolling walking This is the third technical problem.
Finally, according to the present invention, the buffer space, the buffer groove, the cut groove, and the rib are formed in the process of manufacturing the insole that is a raw material applied to the sole of the footwear. Ability to reduce the manufacturing cost of functional footwear by improving the productivity of functional footwear by making it easy to manufacture the flooring of functional footwear that can be rolled and walked according to existing methods without a process The fourth technical problem is to contribute to the above.

The present invention as a means for solving the above technical problem is applied to the sole of the footwear, and is an insole for footwear that serves as a cushioning material for supporting a walking load. A buffer space as an empty space is formed from the portion to the tip portion of the foot along the outer portion of the sole, so that the buffer space goes to the heel and the tip portion of the foot with the vertical footbow portion at the center. The flat cross-sectional area is formed to be increased, and buffer grooves are formed at regular intervals in the bottom of the insole corresponding to the inner edge portion of the buffer space. .
Further, the present invention is characterized in that the buffer space is divided into a plurality of buffer grooves, and the buffer groove is formed in a vertical direction with respect to the insole in the vertical foot arch portion, and the heel and the tip portion of the heel Then, it is characterized in that it is formed so as to be inclined with respect to the insole, or in the state in which the buffer space is formed on the upper surface of the insole, the bottom of the insole is along the length of the insole Incision grooves are formed at regular intervals, and ribs protrude from the buffer space along portions corresponding to the incision grooves. It is formed in a direction perpendicular to the heel and the tip of the tab so as to be inclined with respect to the insole.

According to the present invention as described above, the buffer space or the buffer groove is formed in the lower part of the sole where the load during walking is substantially concentrated from the wearer's heel through the outer surface of the sole to the tip of the claw. By being positioned, there is an effect that the sole part is more easily supported by the insole portion, and thereby there is an effect of further reducing fatigue applied to the sole during walking.
Along with this, the insole part or the insole part installed on the upper part of the insole over the entire sole surface from the heel to the tip of the wearer when walking is compressed and deformed on a substantially arc along the walking path. In addition, there is an effect that enables more natural and efficient propulsion-type rolling walking, and of course, it is possible to further protect the joints of the knees and ankles of the wearers, and the insole of the present invention is applied. Just walking with the worn footwear can contribute to the health of the wearer.
In addition, unlike the walking propulsion member or the conventional airbag or spring according to Patent Document 1, which is manufactured with the sole of the footwear and a separate part and assembled with the sole of the footwear, it is applied to the sole of the footwear. In the process of manufacturing the insole that is the raw material, the buffer space or the buffer groove, the incision groove or the rib is formed in the insole itself, so that it is possible to roll and walk according to the existing method without any additional steps. It has the effect of making it possible to easily manufacture the soles of possible functional footwear, thereby contributing to the aspect of reducing the cost of manufacturing functional footwear by improving the productivity of functional footwear. effective.
Finally, when the incision groove is formed on the bottom surface of the insole, if the outsole is adhered to the bottom surface of the insole excluding the incision groove so that the bottom of the footwear can be manufactured, the side surface and the bottom surface of the footwear inlay The incision groove portion can be expressed as it is, and thereby has a very useful effect such as being able to contribute to the side surface of improving the appearance of the footwear underlay.

1 is an exploded perspective view of a footwear insole including an insole having an impact dispersion function and a rolling walking function according to the present invention. (A) And (b) is a rear perspective view which shows the other Example of the insole of the footwear by this invention. It is a rear view of the insole of footwear by this invention. (A) thru | or (b) are the AA in FIG. 3, the BB line, and CC line sectional drawing. 1 is a side sectional view of an insole for footwear according to the present invention. FIG. 6 is a perspective view of an insole for footwear according to still another embodiment of the present invention. It is a sectional side view of FIG.

Hereinafter, the present invention for achieving the above object will be described in detail with reference to the accompanying drawings.
As shown in FIG. 1, an insole 11 for footwear according to the present invention is used for manufacturing an undersole 10 for footwear together with an outsole 13 having a non-slip surface 14. The insole 11 is a cushioning material that absorbs an impact applied to the sole of the foot during walking using natural rubber, synthetic rubber, or synthetic resin such as polyurethane foam or polypropylene.
The insole 11 for footwear according to the present invention is an empty space from the portion corresponding to the heel to the portion corresponding to the tip of the foot along the portion corresponding to the outside of the sole when the foot sole of the human body is used as a reference. A buffer space 12 is formed at the bottom of the insole 11 with a predetermined depth.
As shown clearly in FIGS. 1 and 3, the buffer space 12 is centered on a portion corresponding to a vertical foot arch (a portion formed in a recess in the center of the sole). The flat cross-sectional area is increased toward the portion corresponding to the tip of the heel and the hook, and the depth of the buffer space 12 is within a range of 1/2 to 2/3 of the entire thickness of the insole 11. It is desirable to become.
The buffer space 12 reduces the substantial volume of the insole 11 that elastically supports the load of the human body along the walking load path (P) of FIG. 3, and the support force of the insole 11 with respect to the load of the human body at the corresponding portion. The amount of compressive deformation of the insole 11 due to the load of the human body is expressed differently for each sole region by the buffer space 12, and compression is performed when the load is removed. The deformed insole 11 portion is restored to the original state.
In other words, as shown in FIGS. 4A to 4C, when a human body load is applied along the walking load path (P), the insole 11 is compressed at the heel portion and the tip portion of the tab. As the amount of deformation increases, the amount of compressive deformation decreases from the heel and the tip of the shoe toward the center of the sole corresponding to the vertical footbow, so that the deformation diagram of the insole 11 due to the load of the human body is a walking load path ( It is formed on an arc suitable for propulsion type rolling walking along P).
In addition to this, as shown in FIG. 2A, a buffer groove 16 can be additionally formed at a constant interval along the inner edge of the buffer space 12, As shown in FIG. 2B, the buffer space 12 itself can be divided into a plurality of buffer grooves 16, but the buffer groove 16 is a circular groove in the drawing. It is formed with.
However, the buffer groove 16 may have various different shapes such as a square shape, a triangular shape, an oval shape, or an elongated shape in which the length of the buffer groove 16 is longer than the circular shape shown in the drawing. In addition, it is most desirable to appropriately adjust the area in which the buffer space 12 and the buffer groove 16 are formed in consideration of the thickness of the insole 12 of the corresponding part and the degree of compression by the thickness.
Table 1: Flat cross-sectional area occupied by the buffer space and buffer groove by the sole part

The reason why the area of the tip of the nail is divided into three parts in Table 1 and the area of the heel part is divided into two parts is that the foot of the human body is usually longer on the side of the nail when viewed from the vertical footbow For this reason, the reference areas divided by the respective parts are made to be similar to each other.
In the case of the insole 11, the thickness of the insole 11 decreases as it goes toward the toes, and the thickness increases as it goes toward the heel. A small deviation is provided for each part along the front part, while a large deviation is provided for each part along the heel part.
However, the example applied in Table 1 is only one representative embodiment, and it is clarified that the present invention is not limited within the numerical range described in Table 1. It is clear that the area and depth in which the buffer space 12 and the buffer groove 16 are formed can be arbitrarily adjusted by the manufacturer in consideration of the material and elasticity of the insole 11 and the thickness of the corresponding part. It is a place to keep.
As shown in FIG. 5, when the buffer groove 16 is formed in the insole 11 for footwear according to the present invention, the buffer groove 16 is located with respect to the insole 11 at the longitudinal foot arch or a position adjacent thereto. It is desirable that the buffer groove 16 is formed so as to be inclined with the insole 11 toward the outer side in the portion corresponding to the foot comb and the tip of the hook so as to be formed in the vertical direction.
As described above, if the buffer groove 16 is formed so as to be inclined with respect to the insole 11 at the portion corresponding to the tip of the heel and the tab, the corresponding portion even if the number and diameter (area) of the buffer grooves 16 are reduced. However, there is an advantage that the amount of compressive deformation of the insole 11 sufficient for rolling walking can be ensured, and the inclination angle of the buffer groove 16 is in the range of 16 to 20 degrees formed by the foot and the ground when the wearer walks. It is most desirable on the side of rolling and walking.
In addition, the insole 11 for footwear according to still another embodiment of the present invention has the above-described buffer space 12 formed on the upper surface of the insole 11 as shown in FIGS. In this state, an incision groove 18 is formed at a constant interval along the length of the insole 11 at the bottom of the insole 11, and at the same time, an incision is formed in the buffer space 12. A rib (Rib) 17 is formed so as to protrude along a portion corresponding to the groove 18.
In other words, the buffer space 12 can be applied to the upper surface of the insole 11, while the footwear sole not shown is generally covered by the upper portion of the insole 11 in the foot sole 10. The function of distributing the load by the buffer space 12 described above while not causing any difficulty in walking of the person wearing the footwear by making the insole (Insole) more firmly supported by the rib 17. In addition, the propulsion type rolling walking function is achieved.
As clearly shown in FIG. 7, the ribs 17 are formed on the upper end of the incision groove 18 so that each incision groove 18 can form a groove having a uniform shape over the bottom width of the insole 11. It is desirable to project from the buffer space 12 while having a corresponding shape.
The formation of the incision groove 18 in the bottom of the insole 11 as described above makes it easy for the sole 10 of the footwear during walking to be along the walking path, while each incision groove 18 forms the sole of the footwear. 10 so that the structure of the insole 11 is expressed through the bottom 10 of the footwear by exposing it through the side surface and the bottom of the 10 so that the appearance of the bottom 10 of the footwear is further improved. This makes it easier to understand the structure of the sole 10 of the footwear.
For this reason, as shown in FIG. 7, it is desirable that the outsole 13 is attached to the bottom surface of the insole 11 excluding the incision groove 18 in a divided manner. When it is intended to cover one outsole 13 over the entire bottom surface, it is clarified that the insole 11 may be manufactured only by the buffer space 12 and the rib 17 without forming the incision groove 18 separately. I'm leaving.
In the case of the incision groove 18 as well as the buffer groove 16 described above, the incision groove 18 is formed in the vertical direction with respect to the insole 11 at the longitudinal foot arch or a position adjacent thereto, It is desirable that the incision groove 18 is formed so as to incline with the insole 11 in the portion corresponding to the tip of the heel and the hook, and the rib 17 corresponding to the incision groove 18 is the same as this. It is desirable to have a simple structure.
If the above-described insole 11 for footwear of the present invention is applied to the sole 10 of footwear, the sole portion where the walking load is substantially applied when the wearer walks, that is, from the heel to the outside of the sole. The portion from the side to the tip of the nail can be more easily supported by the buffer space 12 or the buffer groove 16, thereby further reducing the fatigue applied to the sole of the wearer during the walking process. become able to.
In particular, since the buffer space 12 or the buffer groove 16 can perform a more natural and efficient propulsive rolling walk across the entire sole surface from the wearer's heel to the longitudinal toe and the tip of the shoe, The ankle joint can be more safely protected, thereby contributing further to the health promotion aspects of the wearers.
In addition, unlike the walking propulsion member or the conventional airbag or spring according to Patent Document 1, which is manufactured with the footwear sole 10 and a separate part and assembled with the footwear sole 10, the footwear sole 10 is provided. In the process of forming the insole 11 which is a raw material to be applied, the buffer space 12, the buffer groove 16, the incision groove 18 and the rib 17 can be easily formed, so that the function is possible for rolling walking. It is possible to contribute to the aspect of reducing the production cost of the functional footwear by improving the productivity of the active footwear.
The reference numeral “15”, which has not been described in the above description, indicates a frame for inserting the insole 11 into the inside of the outsole 13 and making it integrally with the upper for footwear. 11 and the outer form of the outsole 13 are not limited to the form shown in the drawings, but can be an insole and an outsole that can be applied to various footwear. .

DESCRIPTION OF SYMBOLS 10 Foot sole 11 Insole 12 Buffer space 13 Outsole 14 Non-slip surface 15 Nail part 16 Buffer groove 17 Rib 18 Cut groove P Walking load path

Claims (6)

In an insole (Mid-sol) 11 that is applied to the sole 10 of the footwear and serves as a cushioning material that supports the load when the wearer stands and walks or runs,
A buffer space 12 as an empty space is formed at the bottom of the insole 11 from the heel portion to the tip portion along the outer portion of the sole,
The buffer space 12 is formed so that its cross-sectional area increases as it goes to the heel and the tip of the foot, with the vertical foot arch portion on the sole as the center, and has a shock dispersion function and a rolling walking function. Insole with footwear. The shock absorbing function and the rolling walking function are characterized in that a buffer groove 16 is formed at regular intervals in the bottom of the insole 11 corresponding to the inner edge portion of the buffer space 12. Item 1. An insole for footwear according to item 1. The insole of footwear having an impact dispersion function and a rolling walking function according to claim 1, wherein the buffer space 12 is divided into a plurality of buffer grooves 16. The shock-absorbing function is characterized in that the buffer groove 16 is formed in the vertical direction with respect to the insole 11 in the vertical arch part, and is formed so as to be inclined at an acute angle with respect to the insole 11 in the heel and the tip part. The insole for footwear according to claim 2 or 3, characterized by having a rolling walking function. In an insole (Mid-sol) 11 that is applied to the sole 10 of the footwear and serves as a cushioning material that supports the load when the wearer stands and walks or runs,
A buffer space 12 as an empty space is formed on the upper surface of the insole 11 from the heel portion to the tip portion along the outer portion of the sole,
The buffer space 12 is formed such that its cross-sectional area increases as it goes to the heel and the tip of the foot, with the vertical arch portion of the sole as the center,
An incision groove 18 is formed at the bottom of the insole 11 at regular intervals along the length of the insole 11,
An insole for footwear having an impact dispersion function and a rolling walking function, wherein ribs (Rib) 17 project from the buffer space 12 along portions corresponding to the incision grooves 18. The incision groove 18 is formed in a vertical direction with respect to the insole 11 in the longitudinal foot arch portion, and is formed so as to be inclined at an acute angle with respect to the insole 11 in the heel and the tip of the hook. The insole of footwear according to claim 5, which has a rolling walking function.

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