KR102581075B1 - Shoe plate and shoe sole with the same - Google Patents

Abstract

A shoe plate and a shoe sole having the same are disclosed. The disclosed shoe plate includes: a support body part; a forefoot extending from the support body part to one side; and a rear foot part extending from the support body part to the other side, wherein the forefoot part includes a forefoot balance stabilization part branched from the support body part to be extended; and a propulsion securing part branched from the support body part and extending to be spaced apart from the forefoot balance stabilization part.

Description

Shoe plate and shoe sole having the same {SHOE PLATE AND SHOE SOLE WITH THE SAME}

The present invention relates to shoes, and more specifically, to a shoe sole that is in contact with the ground and supports the sole of the foot, and a shoe plate provided on the shoe sole.

Generally, a shoe includes an upper that accommodates and surrounds the wearer's foot, and a shoe sole that is in contact with the ground, supports the sole, and is coupled to the outer periphery of the upper. The sole of the shoe includes a midsole that relieves impact on the wearer's feet and joints, and an outsole that is laminated below the midsole and is in contact with the ground.

Conventional shoe soles do not cause much inconvenience during normal walking or strolling, but when engaging in strenuous exercise or walking on rough terrain, they have a propulsion function that assists propulsion to move forward quickly and a cushioning function that relieves the shock applied to the feet and joints. Improvement is needed due to the lack of function and the ability to maintain stable balance even when stepping on uneven ground.

The background technology of the present invention is disclosed in Republic of Korea Patent Publication No. 10-2472446 (registered on November 25, 2022, title of invention: footwear article with plate and method of customizing such footwear article).

The present invention is intended to improve the above problems, and provides a shoe plate that improves the propulsion performance, cushioning performance, and balance stability performance of a shoe sole, and a shoe sole provided therewith.

The present invention, a support body portion; a forefoot extending from the support body to one side; and a rearfoot portion extending from the support body toward the other side, wherein the forefoot portion includes a forefoot balance stabilizer extending from the support body. and a propulsion securing portion branched from the support body portion and extending to be spaced apart from the forefoot balance stabilizer portion.

The forefoot balance stabilizer includes: a first forefoot balance stabilizer disposed outside the propulsion securing portion in the direction of the ball of the foot; and a second forefoot balance stabilizer spaced apart from the first forefoot balance stabilizer and disposed inside the propulsion securing portion in the direction of the ball of the foot.

The forefoot portion may further include a first weight reduction portion provided between the forefoot balance stabilizer and the propulsion securing portion to reduce weight.

The forefoot may further include a second weight reduction portion provided inside the propulsion securing portion and crossing the propulsion securing portion in the thickness direction to reduce weight.

The forefoot balance stabilizer may extend to a different height than the propulsion securing portion.

The propulsion securing portion may be formed lower than the forefoot balance stabilizing portion to secure propulsion.

The propulsion securing portion may be lowered and then increased in height in a direction extending from the support body portion.

The forefoot balance stabilization portion may be formed higher than the support body portion.

The propulsion securing part includes a first propulsion securing part extending to a curved surface; And it may be provided with a second propulsion securing part that is spaced apart from the first propulsion securing part and extends to a curved surface.

The forefoot portion may further include a second weight reduction portion provided between the first propulsion force securing portion and the second propulsion force securing portion to reduce weight.

The shoe plate of the present invention may further include a reinforcing portion for reinforcing rigidity at a portion where the propulsion securing portion and the supporting body portion are connected.

The reinforcement part protrudes from the lower side of the shoe plate and may be provided with protruding ribs connected to the thrust securing part and the support main body on one side and the other side in the longitudinal direction.

The rearfoot portion includes a first rearfoot balance stabilizer extending from the support body portion; and a second rear foot balance stabilizing unit extending to be spaced apart from the first rear foot balance stabilizing unit.

The rearfoot portion may further include a shock absorbing portion provided between the first rearfoot balance stabilizer and the second rearfoot balance stabilizer to relieve shock.

The rearfoot portion includes a rearfoot balance stabilizer extending from the support body portion; and a shock-absorbing part that crosses the rear foot balance stabilizer in the thickness direction and is provided inside the rear foot balance stabilizer.

In addition, the present invention, the shoe plate of the present invention described above; and a midsole portion in close contact with the shoe plate.

The midsole portion includes an upper midsole portion in close contact with the upper side of the support body portion, the upper side of the forefoot balance stabilization portion, the upper side of the propulsion securing portion, and the upper side of the rearfoot portion; and a lower midsole portion located below the upper midsole portion and in close contact with the lower side of the support body portion, the lower side of the forefoot balance stabilization portion, the lower side of the propulsion securing portion, and the lower side of the rearfoot portion. there is.

The midsole portion includes an upper midsole portion in close contact with the upper side of the support body portion, the upper side of the forefoot balance stabilization portion, and the upper side of the rearfoot portion; a front lower midsole portion located below the upper midsole portion and interposed between the forefoot balance stabilizer and the propulsion securing portion so as to be in close contact with the lower side of the forefoot balance stabilizing portion and the upper side of the propulsion securing portion; and a rear lower midsole portion located below the upper midsole portion and in close contact with the lower side of the rearfoot portion.

The front lower midsole portion may include a plurality of midsole pieces separated from each other.

The shoe plate of the present invention has a forefoot balance stabilizer and a propulsion securing part connected to the main body support and separated from each other. Therefore, even when stepping on an uneven surface such as a protrusion or groove from the sole of the shoe to the outer or inner part in the direction of the ball of the foot, the propulsion securing unit and the forefoot balance stabilization unit separated from the propulsion securing unit can be significantly deformed up and down. Therefore, the angle of the shoe sole and the angle of the shoe wearer's ankle are not excessively bent. Therefore, the shoe plate of the present invention and the shoe sole provided with the same have improved balance and stability performance.

In addition, while the shoe wearer is walking or running, the propulsion securing portion of the shoe plate bends upward in an upward direction with respect to the main body support portion, and then elastically restores to its original form the moment the front end of the shoe sole falls off the ground, thereby accelerating the shoe wearer forward. Accordingly, the shoe plate of the present invention and the shoe sole equipped with the same have improved propulsion performance and help the shoe wearer walk or run quickly with less energy.

In addition, in the shoe plate of the present invention, the forefoot balance stabilizer, like the propulsion securing portion, bends upward in an upward direction with respect to the main body support while the shoe wearer is walking or running, and then elastically returns to its original form the moment the front end of the shoe sole falls off the ground. do. Therefore, the forefoot balance stabilization unit, like the propulsion securing unit, can contribute to improving propulsion performance.

In addition, the shoe plate according to a preferred embodiment of the present invention, which includes a pair of rearfoot balance stabilizers and a shock absorbing portion, has a pair of rearfoot balance stabilizers that can reduce the degree of ankle gumming caused by unstable ground landing at the heel portion. , Since the upper and lower midsole parts made of foam resin are in direct contact through the shock absorbing part, the shock when landing on the heel is greatly alleviated. Accordingly, the shoe plate of the present invention and the shoe sole equipped with the same have greatly improved cushioning performance and balance stability performance.

Figures 1 and 2 are exploded perspective views of a shoe sole according to an embodiment of the present invention, where Figure 1 is a view seen from above and Figure 2 is a view seen from below.
Figure 3 is a perspective view of a shoe sole according to an embodiment of the present invention.
Figures 4 and 5 are a top view and a side view of a shoe plate according to a first embodiment of the present invention provided on the shoe sole of Figure 1.
Figure 6 is a side view of a shoe sole according to another embodiment of the present invention equipped with the shoe plate of Figure 5.
7 and 8 are plan views of shoe plates according to the second and third embodiments of the present invention.
Figure 9 is a side view of a shoe plate according to a fourth embodiment of the present invention.

Hereinafter, a shoe plate and a shoe sole including the same according to an embodiment of the present invention will be described in detail with reference to the attached drawings. The terminology used in this specification is a term used to appropriately express preferred embodiments of the present invention, and may vary depending on the intention of the user or operator or the customs of the field to which the present invention belongs. Therefore, definitions of these terms should be made based on the content throughout this specification.

1 and 2 are exploded perspective views of a shoe sole according to an embodiment of the present invention, where FIG. 1 is a view viewed from above, FIG. 2 is a view viewed from below, and FIG. 3 is a view of a shoe according to an embodiment of the present invention. It is a perspective view of the sole, and Figures 4 and 5 are a top view and a side view of the shoe plate according to the first embodiment of the present invention provided on the shoe sole of Figure 1.

Referring to Figures 1 to 5, the shoe sole (1A) according to an embodiment of the present invention includes a shoe plate (10) and a midsole portion (150) in close contact with the shoe plate (10). , 170). The shoe sole 1A is coupled to the outer periphery of an upper (not shown) surrounding the wearer's foot, supports the sole of the wearer's foot, and is in contact with the ground.

The shoe plate 10 is a plate-shaped member, and includes a support body 11, one side of the support body 11, specifically a forefoot portion 13 extending forward, and the other side of the support body 11, specifically. It is provided with a rearfoot portion 30 extending rearward. The support body portion 11, the forefoot portion 13, and the rearfoot portion 30 are formed to be integrally connected.

The forefoot portion 13 includes a forefoot balance stabilization portion 14, 17 and a propulsion securing portion 20, 23. The forefoot balance stabilizers 14 and 17 branch from the support body 11 and extend forward. The propulsion securing parts (20, 23) branch from the support body part (11) and extend forward so as to be spaced apart from the forefoot balance stabilizing parts (14, 17).

The forefoot balance stabilizing units 14 and 17 may include a first forefoot balance stabilizing unit 14 and a second forefoot balancing stabilizing unit 17. The first forefoot balance stabilizer (14) is disposed outside the propulsion securing portions (20, 23) in the direction of the ball of the foot of the shoe wearer, and the second forefoot balance stabilizing portion (17) is arranged in the direction of the ball of the foot of the shoe wearer ( 20, 23) and can be placed more medially.

Here, the outside in the direction of the ball of the foot is a side relatively far from the foot opposite the foot wearing the shoe sole (1A), and the inside in the direction of the ball of the foot may be a side relatively close to the foot opposite the foot wearing the shoe sole (1A). .

The first forefoot balance stabilizer 14 and the second forefoot balance stabilizer 17 may extend from the support body 11 to be gently curved downward and then gently curve upward again. Due to this, the height of the ends (15, 18) in the longitudinal direction of the first forefoot balance stabilizer 14 and the second forefoot balance stabilizer 17 is higher than the support body portion 11, and the first forefoot balance stabilizer ( 14) and the height of the middle portion in the longitudinal direction of the second forefoot balance stabilizer 17 may be slightly lower than the support body portion 11.

The propulsion securing parts 20 and 23 are branched from the support body 11, are spaced apart from each other, and include a first propulsion securing part 20 and a second propulsion securing part 23 extending forward in a curved surface. The first propulsion securing unit 20 and the second propulsion securing unit 23 may be lowered and then raised in height in a direction extending from the support main unit 11 in order to secure propulsion.

The first propulsion securing unit 20 and the second propulsion securing unit 23 are disposed between the first forefoot balance stabilizing unit 14 and the second forefoot balancing stabilizing unit 17. The first forefoot balance stabilization unit 14 and the second forefoot balance stabilization unit 17 extend to a different height from the first propulsion securing unit 20 and the second propulsion securing unit 23. As shown in FIG. 5, the first propulsion securing unit 20 and the second propulsion securing unit 23 may be formed lower than the first forefoot balance stabilizing unit 14 and the second forefoot balancing stabilizing unit 17.

In addition, the first propulsion securing part 20 and the second propulsion securing part 23 may be lowered and then raised in height in a direction extending from the support body 11 in order to secure propulsion. Specifically, the first propulsion securing unit 20 and the second propulsion securing unit 23 move downward from the support main unit 11 more rapidly than the first forefoot balance stabilization unit 14 and the second forefoot balance stabilization unit 17. It can bend and extend again to sharply curve upward.

Due to this, the height of the middle portion in the longitudinal direction of the first propulsion securing portion 20 and the second propulsion securing portion 23 is midway in the longitudinal direction of the first forefoot balance stabilizing portion 14 and the second forefoot balancing stabilizing portion 17. It is lower than the height of wealth. Meanwhile, the heights of the ends (21, 24) in the longitudinal direction of the first propulsion securing portion (20) and the second propulsion securing portion (23) are equal to the height of the first forefoot balance stabilizing portion (14) and the second forefoot balancing stabilizing portion (17). It may be lower than or equal to the height of the longitudinal ends (15, 18).

The forefoot portion 13 may further include a first weight reduction portion 26 provided between the forefoot balance stabilizers 14 and 17 and the propulsion securing portions 20 and 23 to reduce the weight of the shoe plate 10. The first weight reduction portion 26 may be an empty space provided between the forefoot balance stabilization portions 14 and 17 and the propulsion securing portions 20 and 23. Specifically, a pair of first weight reduction units are provided between the first forefoot balance stabilizer (14) and the first propulsion securing unit (20) and between the second forefoot balance stabilizing unit (17) and the second propulsion securing unit (23). (26) is provided.

In addition, the forefoot portion 13 may further include a second weight reduction portion 27 provided between the first propulsion securing portion 20 and the second propulsion securing portion 23 to reduce the weight of the shoe plate 10. . Like the first weight reduction unit 26, the second weight reduction unit 27 may be an empty space provided between the first propulsion securing unit 20 and the second propulsion securing unit 23.

The rear foot portion 30 may further include a first rear foot balance stabilizer 31 and a second rear foot balance stabilizer 33. The first rear foot balance stabilizer 31 and the second rear foot balance stabilizer 33 are each branched from the support body 11, extend rearward, and may be spaced apart from each other. The first rearfoot balance stabilizer 31 may be disposed on the outer portion in the direction of the ball of the foot of the shoe wearer, and the second rearfoot balance stabilizer 33 may be disposed on the inner portion in the direction of the ball of the foot of the shoe wearer.

Here, the outer part in the direction of the ball of the foot of the shoe wearer is a part on one side relatively far from the foot on the other side of the foot wearing the shoe sole (1A) in the direction of the ball of the foot, and the inner part in the direction of the ball of the shoe of the shoe wearer is the sole of the shoe (1A) in the direction of the ball of the foot. ) may be a part of one side that is relatively close to the foot opposite the foot wearing the foot.

The shoe plate (1A) is a shock-relieving unit (35) provided between the first rear foot balance stabilizer (31) and the second rear foot balance stabilizer (33) to relieve the shock applied to the heel of the shoe wearer when walking or running. ) can be further provided. Specifically, the shock alleviation unit 35 may be an empty space provided between the first rear foot balance stabilizer 31 and the second rear foot balance stabilizer 33.

The midsole portions 150 and 170 may include an upper midsole portion 150 and a lower midsole portion 170. The upper midsole portion 150 supports the sole of the foot of the shoe wearer. The upper midsole portion 150 is formed on the upper side of the support body portion 11, the upper side of the first and second forefoot balance stabilizers (14, 17), and the upper side of the first and second propulsion securing portions (20, 23). It may be in close contact with the side and the upper side of the rearfoot portion 30, specifically, the upper side of the first and second rearfoot balance stabilizers 31 and 33.

The lower side of the upper midsole portion 150 is in close contact with the support body portion contact surface 152, which is in close contact with the upper side of the support body portion 11, and the upper side of the first and second forefoot balance stabilizers 14 and 17. The first and second forefoot balance stabilizer close contact surfaces (153, 154), which are in close contact with the upper side of the first and second propulsion securing parts (20, 23), and the first and second forefoot balance stabilizer close contact surfaces (153). , 154), the contact surface of the propulsion securing part 155 protrudes downward, and the contact surface of the first and second rear foot balance stabilizers in close contact with the upper side of the first and second rear foot balance stabilizers (31, 33). (157, 158), and a lower midsole contact surface 159 provided between the first and second rearfoot balance stabilizer contact surfaces 157, 158.

The lower midsole portion 170 is located below the upper midsole portion 150, and includes the lower side of the support body portion 11, the lower side of the first and second forefoot balance stabilizers 14 and 17, and the first and second 2 It may be in close contact with the lower side of the propulsion securing portion (20, 23) and the lower side of the rear foot portion (30), specifically, the lower side of the first and second rear foot balance stabilizers (31, 33).

The upper side of the lower midsole portion 170 is in close contact with the support body portion contact surface 171, which is in close contact with the lower side of the support body portion 11, and the lower side of the first and second forefoot balance stabilizers 14 and 17. The first and second forefoot balance stabilizer close contact surfaces (175, 176), the first and second propulsion securing portion close contact surfaces (177, 178), and first and second rear foot balance stabilizer contact surfaces 185 and 186 that come into close contact with the lower sides of the first and second rear foot balance stabilizers 31 and 33.

In addition, the upper side of the lower midsole portion 170 is the first to third forefoot upper midsole portions that directly contact the lower side of the upper midsole portion 150 across the forefoot portion 13 in the thickness direction of the shoe plate 10. The contact surfaces 179, 180, 181, and the rearfoot upper midsole contact surface 187 are in direct contact with the lower side of the upper midsole 150 across the rearfoot 30 in the thickness direction of the shoe plate 10. More can be provided.

Specifically, the first forefoot upper midsole contact surface 179 protrudes stepwise upward to contact the propulsion securing portion contact surface 155 of the upper midsole portion 150 across the second weight reduction portion 27, and the second forefoot portion upper midsole contact surface 179 And the third forefoot upper midsole contact surfaces 180 and 181 project upward in a stepped manner to contact the propulsion securing part contact surface 155 of the upper midsole part 150 across the pair of first weight reduction parts 26. . The rearfoot upper midsole contact surface 187 protrudes upward in a stepped manner to contact the lower midsole contact surface 159 of the upper midsole unit 150 across the shock absorbing portion 35.

The upper midsole portion 150 and the lower midsole portion 170 may be made of a lightweight material that is easily elastically deformed by a relatively small external force, such as foam resin. The shoe plate 10 may be made of a material with a higher elastic modulus than the material of the upper midsole portion 150 and the lower midsole portion 170. Additionally, the shoe plate 10 may have greater hardness and greater specific gravity than the materials of the upper midsole portion 150 and lower midsole portion 170.

Accordingly, when the shoe wearer steps on an uneven ground such as a protrusion or groove from the shoe sole (1A) to the outer or inner portion in the direction of the ball of the foot while walking or running, the propulsion securing portion (20, 23) is separated. The portion of the lower midsole portion 170 that overlaps the forefoot balance stabilizers 14 and 17 is greatly compressed, and at the same time, the forefoot balance stabilizers 14 and 17 can be deformed up and down to a large extent, so that the shoe sole 1A The angle of the shoes and the angle of the shoe wearer's ankles are not excessively bent. Therefore, the shoe plate 10 and the shoe sole 1A provided therewith have improved balance stability performance that allows the shoe wearer to maintain balance.

In addition, while the shoe wearer is walking or running, the propulsion securing portions 20 and 23 of the shoe plate 10 are bent upward in an upward direction with respect to the main body support portion 11, and then the front end of the shoe sole 1A falls off the ground. In an instant, elasticity is restored to its original form, accelerating the shoe wearer forward. Therefore, the shoe plate 10 and the shoe sole 1A provided therewith have improved propulsion performance and help the shoe wearer walk or run quickly with less energy.

Meanwhile, like the propulsion securing units 20 and 23, the forefoot balance stabilizers (14, 17) are bent upward in an upward direction with respect to the main body support unit (11) while the shoe wearer is walking or running, and are then bent upward in the direction of the shoe sole (1A). The moment the front end falls off the ground, it is elastically restored to its original form. Therefore, the forefoot balance stabilization units 14 and 17 contribute to the improvement of propulsion performance like the propulsion securing units 20 and 23. As a result, the propulsion performance of the shoe plate 10 can be significantly improved by the propulsion securing portions 20 and 23 and the forefoot balance stabilizing portions 14 and 17. However, the amount of elastic deformation of the forefoot balance stabilizing units (14, 17) may be smaller than that of the propulsion securing units (20, 23).

In addition, the first and second rear foot balance stabilizers 31 and 33 can reduce the degree of ankle bending caused by the shoe wearer's heel landing on the ground unstable through the shoe sole 1A, and help the shoe wearer The balance stability performance that allows the system to maintain balance is greatly improved.

Meanwhile, the contact surface 187 of the rearfoot upper midsole part of the lower midsole part 170 is in contact with the lower midsole part contact surface 159 of the upper midsole part 150 across the shock absorbing part 35, so that the foot of the shoe wearer When the heel lands on the ground through the shoe sole (1A), the cushioning performance that relieves the shock applied to the foot and leg is greatly improved.

In addition, the specific gravity of the upper midsole portion 150 and the lower midsole portion 170 is increased by the first and second weight reduction portions 26 and 27 and the shock absorbing portion 35 formed through the thickness of the shoe plate 10. The volume of the shoe plate 10, which has a larger specific gravity, is reduced, so that the overall weight of the shoe sole 1A becomes lighter.

The shoe sole 1A may further include an outsole portion 190 that is stacked below the lower midsole portion 170 and is in contact with the ground. The outsole portion 190 may include a forefoot outer outsole 191, a forefoot inner outsole 192, and first and second rearfoot outsoles 193 and 194 that are spaced apart from each other.

The forefoot outer outsole 191 is approximately vertically aligned with the first and second forefoot balance stabilizers 14 and 17, overlaps them, and continues in an alphabet V shape. The forefoot inner outsole 192 is partially vertically aligned and overlaps the first and second propulsion securing portions 20 and 23 and is separated from the forefoot outer outsole 191. The first and second rearfoot outsole (193, 194) is partially vertically aligned and overlaps with the first and second rearfoot balance stabilizers (158, 159) and are spaced apart from each other.

The shoe plate 10 may further include reinforcing parts 36 and 38 for reinforcing rigidity at a portion where the propulsion securing parts 20 and 23 and the support body 11 are connected. Since the propulsion securing portions (20, 23) repeatedly bend and unfold with respect to the support body portion (11), the rigidity of the boundary between the propulsion securing portions (20, 23) and the support main portion (11) is strengthened and the shoe plate Reinforcement parts 36 and 38 are provided to improve the propulsion force of (10).

The reinforcement parts (36, 38) protrude from the lower side of the shoe plate (10) and have protruding ribs connected to the propulsion securing parts (20, 23) and the support body part (11) on one side and the other side in the longitudinal direction. can do. Specifically, the reinforcement parts 36 and 38 may include a first reinforcement part 36 and a second reinforcement part 38.

The front end of the first reinforcing part 36 may be connected to the lower side of the first propulsion securing part 20, and the rear end of the first reinforcing part 36 may be connected to the lower side of the support main body 11. The front end of the second reinforcing part 38 may be connected to the lower side of the second propulsion securing part 23, and the rear end of the second reinforcing part 38 may be connected to the lower side of the support main body 11. The first reinforcement part 36 and the second reinforcement part 38 may be spaced apart from each other.

Meanwhile, the reinforcing parts 36 and 38 shown in FIGS. 2 and 3 are exemplary, and various reinforcing parts of different shapes may be provided in the shoe plate of the present invention. For example, the reinforcement portion may extend curvedly in the direction of the ball of the foot, specifically in the inner or outer direction. Alternatively, the reinforcement may extend along a straight path. Alternatively, the reinforcement portion may extend along a U-shaped path from the propulsion securing portion (20, 23) through the support body portion (11) to the forefoot balance stabilizing portion (14, 17). Alternatively, the reinforcement portion may extend along a U-shaped path from the first propulsion securing portion 20 through the support body portion 11 to the second propulsion securing portion 23.

The lower midsole portion 170 is further provided with a first reinforcement portion avoidance groove portion 172 and a second reinforcement portion avoidance groove portion 173 that are recessed to accommodate the first reinforcement portion 36 and the second reinforcement portion 38. It can be. Due to the first reinforcement part avoidance groove 172 and the second reinforcement part avoidance groove 173, the first reinforcement part 36 and the second reinforcement part 38 are not restrained by contact with the lower midsole part 170, The lower midsole portion 170 may also not be damaged due to the first reinforcing portion 36 and the second reinforcing portion 38.

Figure 6 is a side view of a shoe sole according to another embodiment of the present invention equipped with the shoe plate of Figure 5. Referring to FIG. 6, the shoe sole 1B according to another embodiment of the present invention includes a shoe plate 10, a midsole portion 210, 220, and 225 in close contact with the shoe plate 10, and a shoe sole 1B in contact with the ground. An outsole portion 230 may be provided. The shoe plate 10 is the same as the shoe plate 10 according to the first embodiment of the present invention provided on the shoe sole 1A described with reference to FIGS. 1 to 5 and is given the same reference numeral, so the description is redundant. is omitted.

The midsole portions 210, 220, and 225 may include an upper midsole portion 210, a front lower midsole portion 220, and a rear lower midsole portion 225. The upper midsole portion 210 may support the sole of the foot of the shoe wearer. The lower side of the upper midsole portion 210 may be in close contact with the upper side of the support body 11, the upper side of the forefoot balance stabilizers 14 and 17, and the upper side of the rearfoot portion 30.

The front lower midsole portion 220 is located below the upper midsole portion 210, and is designed to ensure forefoot balance so as to be in close contact with the lower side of the forefoot balance stabilizer portions (14, 17) and the upper side of the propulsion securing portions (20, 23). It can be intervened between the government (14, 17) and the propulsion department (20, 23). The front lower midsole portion 220 may include first and second midsole pieces 221 and 223 that are separated from each other.

The first midsole piece 221 may be placed ahead of the second midsole piece 223. Damage to the front lower midsole portion 220 is prevented by separating the portion of the shoe sole 1B that is repeatedly bent and straightened when the shoe wearer walks or runs into the first midsole piece 221 and the second midsole piece 223. The resulting decline in durability can be prevented. In Figure 6, the front lower midsole portion 220 is configured to be separated into a pair of midsole pieces 221 and 223, but the present invention is not limited to this and may be divided into a larger number of midsole pieces.

The rear lower midsole portion 225 is located below the upper midsole portion 210 and may be in close contact with the lower side of the rearfoot portion 30. The midsole portions 210, 220, and 225 may be made of a light material that is easily elastically deformed by a relatively small external force, such as foamed resin.

7 and 8 are plan views of shoe plates according to the second and third embodiments of the present invention. The shoe plate 40 according to the second embodiment of the present invention and the shoe plate 70 according to the third embodiment of the present invention shown in FIGS. 7 and 8 are the shoe plate according to the first embodiment of the present invention. It can be provided on the shoe sole (1A) instead of (10).

Referring to FIGS. 1, 2, 5, and 7 together, the shoe plate 40 according to the second embodiment of the present invention is a plate-shaped member, and includes a support body portion 41 and a support body portion 41. ) is provided with a forefoot portion 43 extending from one side, specifically forward, and a rearfoot portion 60 extending from the support body portion 41 to the other side, specifically rearward. The support body portion 41, the forefoot portion 43, and the rearfoot portion 60 are formed to be integrally connected.

The forefoot portion 43 includes a forefoot balance stabilization portion 44, 47 and a propulsion securing portion 50. The forefoot balance stabilizers 44 and 47 branch from the support body 41 and extend forward. The propulsion securing portion 50 is branched from the support main portion 41 and extends forward so as to be spaced apart from the forefoot balance stabilizing portions 44 and 47.

The forefoot balance stabilizing units 44 and 47 may include a first forefoot balance stabilizing unit 44 and a second forefoot balancing stabilizing unit 47. The first forefoot balance stabilizer 44 is disposed outside the propulsion securing portion 50 in the direction of the ball of the foot of the shoe wearer, and the second forefoot balance stabilizing portion 47 is disposed outside the propulsion securing portion 50 in the direction of the ball of the foot of the shoe wearer. It can be placed more medially.

Here, the outside in the direction of the ball of the foot is a side relatively far from the foot opposite the foot wearing the shoe sole (1A), and the inside in the direction of the ball of the foot may be a side relatively close to the foot opposite the foot wearing the shoe sole (1A). .

The first forefoot balance stabilizer 44 and the second forefoot balance stabilizer 47 may extend from the support body 41 to be gently curved downward and then gently curve upward again. Due to this, the height of the ends (45, 48) in the longitudinal direction of the first forefoot balance stabilizer 44 and the second forefoot balance stabilizer 47 is higher than the support body portion 41, and the first forefoot balance stabilizer ( 44) and the height of the middle portion in the longitudinal direction of the second forefoot balance stabilizer 47 may be slightly lower than the support body portion 41.

The propulsion securing unit 50 is disposed between the first forefoot balance stabilization unit 44 and the second forefoot balance stabilization unit 47. The first forefoot balance stabilization unit 44 and the second forefoot balance stabilization unit 47 extend to a different height from the propulsion securing unit 50. Similar to the shoe plate 40 according to the first embodiment of the present invention shown in FIG. 5, the thrust securing unit 50 is positioned lower than the first forefoot balance stabilizer 44 and the second forefoot balance stabilizer 47. can be formed.

The propulsion securing portion 50 branches off from the support body portion 41 and extends forward in a curved manner. The propulsion securing unit 50 may be lowered and then raised in height in a direction extending from the support main unit 41 in order to secure propulsion. Specifically, the propulsion securing portion 50 may extend to bend downward and sharply upward again from the support body portion 41 more sharply than the first forefoot balance stabilization portion 44 and the second forefoot balance stabilization portion 47. there is.

The forefoot portion 43 further includes a pair of first weight reduction portions 53 provided between the pair of forefoot balance stabilizers 44 and 47 and the propulsion securing portion 50 to reduce the weight of the shoe plate 40. can do. The first weight reduction unit 53 may be an empty space provided between the forefoot balance stabilization units 44 and 47 and the propulsion securing unit 50.

In addition, the forefoot portion 43 may further include a second weight reduction portion 55 provided inside the propulsion securing portion 50 and crossing the propulsion securing portion 50 in the thickness direction to reduce the weight of the shoe plate 40. You can. Specifically, the second weight reduction portion 55 may be a through hole. However, the second weight reduction unit 55 is not limited to the through hole of the type shown in FIG. 7, and may be a plurality of through holes spaced apart from the propulsion securing unit 50. In addition, unlike shown in FIG. 7, the propulsion securing part 50 may not be provided with a second weight reducing part 55 in the form of a through hole.

The rear foot portion 60 is located between the first rear foot balance stabilizing portion 61 and the second rear foot balance stabilizing portion 63, and between the first rear foot balance stabilizing portion 61 and the second rear foot balance stabilizing portion 63. A shock alleviation unit 65 provided in may be further provided. The first rearfoot balance stabilizer 61, the second rearfoot balance stabilizer 63, and the shock absorbing unit 65 are the first rearfoot balance stabilizer of the shoe plate 10 according to the first embodiment of the present invention. Since the shape and function are the same as (31), the second rear foot balance stabilizer (33), and the shock alleviating unit (35), overlapping descriptions will be omitted.

Referring to FIGS. 1, 2, 5, and 8 together, the shoe plate 70 according to the third embodiment of the present invention is a plate-shaped member, and includes a support body portion 71 and a support body portion 71. ) may be provided with a forefoot portion 73 extending from one side, specifically forward, and a rearfoot portion 90 extending from the support body portion 71 to the other side, specifically rearward. The support body portion 71, the forefoot portion 73, and the rearfoot portion 90 are formed to be integrally connected.

The forefoot portion 73 may include a forefoot balance stabilizing portion (74, 77), a propulsion securing portion (80, 83), and a weight reducing portion (86, 87). The forefoot balance stabilizing units 74 and 77 may include a first forefoot balance stabilizing unit 74 and a second forefoot balancing stabilizing unit 77. The propulsion securing units 80 and 83 may include a first propulsion securing unit 80 and a second propulsion securing unit 83. The weight reduction units 86 and 87 may include a first weight reduction unit 86 and a second weight reduction unit 87.

The first forefoot balance stabilization unit (74), the second forefoot balance stabilization unit (77), the first propulsion securing unit (80), the second propulsion securing unit (83), the first weight reduction unit (86), and the second weight feeling. The small portion 87 includes the first forefoot balance stabilizer 14, the second forefoot balance stabilizer 17, the first propulsion securing portion 20, and the first forefoot balance stabilizer 10 of the shoe plate 10 according to the first embodiment of the present invention. 2 Since the shape and function are the same as the propulsion securing unit 23, the first weight reduction unit 26, and the second weight reduction unit 27, overlapping descriptions will be omitted.

The rearfoot portion 90 may branch from the support body portion 71 and extend toward the rear. The rearfoot portion 90 may be provided with a rearfoot balance stabilizing portion 91 and a shock alleviating portion 95. The rear foot balance stabilizer 91 can reduce the degree of ankle bending caused by the shoe wearer's heel landing on the ground unstable through the shoe sole 1A and allows the shoe wearer to maintain balance.

The shock absorbing portion 95 may be provided inside the rearfoot portion 90 while crossing the rearfoot portion 90 in the thickness direction. Specifically, the shock alleviation unit 95 may be a through hole. Since the upper midsole portion 150 and the lower midsole portion 170 are in direct contact across the shock absorbing portion 95, when the heel portion of the shoe wearer lands on the ground through the shoe sole 1A, the foot and leg portions The buffering performance that alleviates the impact applied to the body can be greatly improved.

Figure 9 is a side view of a shoe plate according to a fourth embodiment of the present invention. Comparing Figures 5 and 9, the shoe plate 100 according to the fourth embodiment of the present invention is a plate-shaped member, and includes a support body portion 101 and a forefoot portion extending forward from the support body portion 101. 103), a rearfoot portion 120 extending rearward from the support body portion 101, and reinforcement portions 126 and 128. The support body portion 101, the forefoot portion 103, the rearfoot portion 120, and the reinforcement portions 126 and 128 are formed to be integrally connected.

The forefoot portion 103, like the forefoot portion 13 of the shoe plate 10 according to the first embodiment of the present invention, includes first and second forefoot balance stabilizers 104 and 107, and first and second propulsion securing portions ( 110, 113), and first and second weight reduction units (not shown). However, the first and second forefoot balance stabilizers 104 and 107 are the first and second forefoot balance stabilizers 14 and 17 of the shoe plate 10 according to the first embodiment of the present invention shown in FIG. 5. ), unlike ), may be formed higher than the support body 101.

The first and second propulsion securing portions 110 and 113 may be formed lower than the first and second forefoot balance stabilizing portions 104 and 107. Like the first and second weight reduction portions 26 and 27 of the shoe plate 10 according to the first embodiment of the present invention, the shoe plate 100 according to the fourth embodiment of the present invention also has a first forefoot balance plan. A pair of first weight reduction units (not shown) provided between the top 104 and the first propulsion securing unit 110, and between the second forefoot balance stabilizer 107 and the second propulsion securing unit 113, and A second weight reduction unit (not shown) may be provided between the first propulsion securing unit 110 and the second propulsion securing unit 113.

Like the rearfoot portion 30 of the shoe plate 10 according to the first embodiment of the present invention, the rearfoot portion 120 includes a first rearfoot balance stabilizer (not shown) and a second rearfoot balance stabilizer (not shown) spaced apart from each other. (not shown), and a shock absorbing unit (not shown) provided between the first rear foot balance stabilization unit and the second rear foot balance stabilization unit.

Like the reinforcement portions 36 and 38 of the shoe plate 10 according to the first embodiment of the present invention, the reinforcement portions 126 and 128 of the shoe plate 100 according to the fourth embodiment of the present invention secure thrust. The portion where the parts 110 and 113 and the support body 101 are connected may be provided to reinforce the driving force of the propulsion securing parts 110 and 113 and the rigidity of the shoe plate 100. The reinforcement portions 126 and 128 may be formed to protrude from the lower side of the boundary between the propulsion securing portions 110 and 113 and the support body portion 101.

The present invention has been described with reference to an embodiment shown in the drawings, but this is merely illustrative, and those skilled in the art will recognize that various modifications and other equivalent embodiments are possible therefrom. You will understand.

For example, the shoe plate shown in FIGS. 1, 2, 4, 7, and 8 is provided with one propulsion securing part or a pair of propulsion securing parts, but alternatively, it may be provided with three or more propulsion securing parts. It may be possible. In addition, the shoe plate shown in FIGS. 1, 2, 4, and 7 is provided with a pair of rearfoot balance stabilizers, one on the inner side and one on the outer side in the direction of the ball of the foot. It may be provided with only one rear balance stabilization unit. Therefore, the true scope of protection of the present invention should be determined only by the appended claims.

1A, 1B: shoe sole 10: shoe plate
11: support body 13: forefoot
14, 17: Forefoot balance stabilization unit 20, 23: Propulsion securing unit
26, 27: weight reduction part 30: rear foot part
31, 33: Rear foot balance stabilization unit 35: Shock alleviation unit
36, 38: Reinforcement part 150: Upper midsole part
170: Lower midsole part 190: Outsole part

Claims (19)

Support body part;
a forefoot extending from the support body to one side; and
A rear foot extending from the support body to the other side,
The forefoot,
a forefoot balance stabilizer branched and extended from the support body; and
and a propulsion securing portion branched and extended from the support body portion to be spaced apart from the forefoot balance stabilizer portion,
The forefoot balance stabilization unit extends to a different height from the propulsion securing unit,
The propulsion securing portion is formed lower than the forefoot balance stabilizing portion to secure the propulsion force,
A shoe plate, characterized in that the height of the longitudinal end of the propulsion securing portion is lower than the height of the longitudinal end of the forefoot balance stabilizer.
The method of claim 1, wherein the forefoot balance stabilizer,
a first forefoot balance stabilizer disposed outside the propulsion securing portion in the direction of the ball of the foot; and
A shoe plate comprising a second forefoot balance stabilizer spaced apart from the first forefoot balance stabilizer and disposed inside the propulsion securing portion in the direction of the ball of the foot.
The method of claim 1, wherein the forefoot is:
A shoe plate further comprising a first weight reduction portion provided between the forefoot balance stabilizer and the propulsion securing portion to reduce weight.
The method of claim 3, wherein the forefoot is:
A shoe plate further comprising a second weight reducing portion provided inside the propulsion securing portion and crossing the propulsion securing portion in the thickness direction to reduce the weight.
delete delete According to claim 1,
A shoe plate, wherein the thrust securing portion lowers and then increases in height in a direction extending from the support main portion.
According to claim 1,
A shoe plate, wherein the forefoot balance stabilizer is formed higher than the support body portion.
The method of claim 1, wherein the propulsion securing unit,
A first propulsion securing part extending to a curved surface; and
A shoe plate comprising a second propulsion securing portion spaced apart from the first propulsion securing portion and extending in a curved surface.
The method of claim 9, wherein the forefoot is:
A shoe plate further comprising a second weight reducing portion provided between the first propulsion securing portion and the second propulsive force securing portion to reduce weight.
According to claim 1,
A shoe plate further comprising a reinforcing portion for reinforcing rigidity at a portion where the propulsion securing portion and the supporting body portion are connected.
According to claim 11,
The reinforcing part protrudes from the lower side of the shoe plate and has protruding ribs connected to the propulsion securing part and the support main body on one side and the other in the longitudinal direction.
The method of claim 1, wherein the hindfoot portion is:
a first rear foot balance stabilizer extending from the support body; and
A shoe plate comprising a second rearfoot balance stabilizer extending to be spaced apart from the first rearfoot balance stabilizer.
The method of claim 13, wherein the hindfoot portion is:
A shoe plate further comprising a shock absorbing part provided between the first rear foot balance stabilizer and the second rear foot balance stabilizer to relieve shock.
The method of claim 1, wherein the hindfoot portion is:
a rear foot balance stabilization unit extending from the support body unit; and
A shoe plate further comprising a shock absorbing portion that crosses the rearfoot balance stabilizer in a thickness direction and is provided inside the rearfoot balance stabilizer.
The shoe plate of any one of claims 1 to 4 and 7 to 15; and
A shoe sole comprising a midsole portion in close contact with the shoe plate.
The method of claim 16, wherein the midsole portion is:
An upper midsole portion in close contact with the upper side of the support body portion, the upper side of the forefoot balance stabilization portion, the upper side of the propulsion securing portion, and the upper side of the rearfoot portion; and
A lower midsole portion located below the upper midsole portion and in close contact with the lower side of the support body portion, the lower side of the forefoot balance stabilization portion, the lower side of the propulsion securing portion, and the lower side of the rearfoot portion. The sole of the shoe.
The method of claim 16, wherein the midsole portion is:
an upper midsole portion in close contact with the upper side of the support body portion, the upper side of the forefoot balance stabilizer portion, and the upper side of the rearfoot portion;
a front lower midsole portion located below the upper midsole portion and interposed between the forefoot balance stabilizer and the propulsion securing portion so as to be in close contact with the lower side of the forefoot balance stabilizing portion and the upper side of the propulsion securing portion; and
A shoe sole comprising a rear lower midsole portion located below the upper midsole portion and in close contact with the lower side of the rearfoot portion.
According to clause 18,
A shoe sole, characterized in that the front lower midsole portion includes a plurality of midsole pieces separated from each other.

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