A shoe sole structure

Abstract

This utility model discloses a shoe sole structure, the key technical points of which include an outsole and a midsole. The outsole has a groove extending forward and backward from the center of the foot. A reinforcing woven fabric and an anti-torsion plate are disposed between the outsole and the midsole. The reinforcing woven fabric is fitted onto the outsole. The anti-torsion plate is located in the center of the foot and extends forward and backward with an extension piece. The bottom of the extension piece has a protruding rib, which presses itself and a portion of the reinforcing woven fabric into the groove. This utility model has excellent anti-torsion performance, and the anti-torsion plate inside the sole fits tightly and securely, resulting in a long service life.

Description

Technical Field

[0001] This utility model relates to the field of shoe sole technology, and more specifically to a shoe sole structure. Background Technology

[0002] Currently, for athletic shoes that require speed and agility, the rapid shift of the foot's center of gravity during exercise can easily generate rotational forces between the forefoot and heel, causing the shoe to twist. If the sole cannot effectively resist this twisting and reduce deformation, ankle injuries are more likely. Many existing shoe soles incorporate anti-torsion features to improve stability and support, but their structure typically involves placing an anti-torsion plate at the center of the sole, connecting the forefoot and heel.

[0003] However, the above-mentioned existing technologies still have some drawbacks. The anti-torsion plate is fixed to the sole by surface bonding. When subjected to lateral torsional force, there is not much force transmission between the anti-torsion plate and the sole. At the same time, in the case of frequent torsional use, the anti-torsion plate and the sole are prone to partial delamination. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the present invention provides a shoe sole structure with good anti-torsion performance, and the anti-torsion plates inside the shoe sole are tightly and firmly fitted, resulting in a long service life.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a shoe sole structure, including an outsole and a midsole, wherein the outsole is provided with a groove extending from the center of the foot to both the front and rear sides, and a reinforcing woven fabric and an anti-torsion plate are provided between the outsole and the midsole, wherein the reinforcing woven fabric is fitted onto the outsole, and the anti-torsion plate is provided in the center of the foot and extends forward and backward with an extension piece, wherein the bottom of the extension piece is provided with a raised rib, and the raised rib presses itself and part of the reinforcing woven fabric into the groove.

[0006] The present invention is further configured such that: two grooves extend forward and two grooves extend backward.

[0007] The present invention is further configured such that the cross-sections of the groove and the raised rib are adapted to each other and are both set as trapezoidal structures with a smaller top and a larger bottom.

[0008] The present invention is further configured such that the depth of the groove is set to between one-half and one-quarter of the thickness of the base.

[0009] The present invention is further configured such that the two grooves extending forward and the two grooves extending backward are both arc-shaped structures.

[0010] The present invention is further configured such that the extension piece has a “Y” shaped structure.

[0011] The present invention is further configured such that: the upper part of the outsole and the lower part of the middle outsole are respectively provided with a first recess and a second recess that are adapted to the shape and size of the anti-torsion plate, and the anti-torsion plate is sandwiched between the first recess and the second recess.

[0012] In summary, this utility model has the following beneficial effects:

[0013] Compared to existing technologies, this invention incorporates a reinforcing woven fabric and an anti-torsion plate. Raised ribs are incorporated into the extension of the anti-torsion plate, and these ribs, along with the reinforcing woven fabric, embeded into the groove of the outsole. This embedding and bonding of the raised ribs and the outsole groove, compared to existing planar bonding methods, results in a tighter and more secure bond between the anti-torsion plate and the outsole. Under frequent torsion, the raised ribs can withstand some of the torsional force, reducing the likelihood of delamination and extending the lifespan of the shoe. Furthermore, the anti-torsion plate, made of hard plastic or carbon fiber, is inherently hard but relatively brittle. The reinforcing woven fabric, embedded alongside the raised ribs, provides some protection for the raised ribs. Simultaneously, the reinforcing woven fabric also increases the overall strength of the outsole, resulting in a more robust overall structure. Attached Figure Description

[0014] Figure 1 This is an exploded view of the overall structure of the shoe sole.

[0015] Figure 2 After the sole is assembled Figure 1 A schematic diagram of the cross-sectional structure in direction A.

[0016] Reference numerals: 1. Outsole; 101. Groove; 2. Midsole; 3. Reinforcing woven fabric; 4. Anti-torsion plate; 401. Extension plate; 402. Raised rib; 5. First recess; 6. Second recess. Detailed Implementation

[0017] The present invention will be further described in detail below with reference to the accompanying drawings.

[0018] This embodiment discloses a shoe sole structure, such as Figure 1-2As shown, the system includes an outsole 1 and a midsole 2. The outsole 1 has a groove 101 extending forward and backward from the center of the foot. A reinforcing woven fabric 3 and an anti-torsion plate 4 are disposed between the outsole 1 and the midsole 2. The reinforcing woven fabric 3 is fitted onto the outsole 1. The anti-torsion plate 4 is located in the center of the foot and extends forward and backward with an extension plate 401. A raised rib 402 protrudes from the bottom of the extension plate 401, pressing itself and a portion of the reinforcing woven fabric 3 into the groove 101. In this embodiment, the outsole 1 is made of rubber or raw rubber material, the midsole 2 is preferably made of EVA foam (ethylene-vinyl acetate copolymer), the reinforcing woven fabric 3 is preferably carbon fiber woven fabric, and the anti-torsion plate 4 is preferably made of TPU rigid plastic or carbon fiber plate. The outsole 1, reinforcing woven fabric 3, anti-torsion plate 4, and midsole 2 are bonded and fixed by hot pressing or direct adhesive bonding. By reinforcing the woven fabric 3 and bonding it to the outsole 1, the outsole 1's resistance to deformation or torsion can be significantly increased. Furthermore, by setting the anti-torsion plate 4, which connects the forefoot and heel parts of the outsole, the torsion resistance of the outsole 1 is greatly improved. At the same time, since the raised rib 402 is partially embedded in the outsole 1, compared to the traditional method of relying solely on planar bonding, the bond between the anti-torsion plate 4 and the outsole 1 is tighter and stronger after the raised rib 402 is embedded and then bonded. Moreover, the raised rib 402 can bear part of the force when the outsole 1 is torsional, making it less likely for the anti-torsion plate 4 to detach from the outsole, resulting in a more stable structure.

[0019] Furthermore, refer to Figure 1 Two grooves 101 extend forward and two extend backward. Both the two forward-extending grooves and the two backward-extending grooves are designed with an arc shape. This structure ensures that the forces on both sides are relatively balanced during torsion, resulting in good structural strength. The arc shape, combined with the arc-shaped protrusions of the anti-torsion plate 4, prevents stress concentration on the protrusions of the anti-torsion plate 4 due to its angular structure, thus increasing service life and strength.

[0020] Furthermore, refer to Figure 2 The cross-sections of the groove 101 and the raised rib 402 are matched and both are set as trapezoidal structures with a smaller top and a larger bottom. Using this trapezoidal structure, the raised rib 402 can be embedded into the groove 101 during installation by deforming the outsole 1. After the entire sole is glued and fixed, due to the smaller top and larger bottom, the raised rib 402 is not easily pulled out of the groove 101, especially during outsole torsional deformation, where the raised rib 402 and the groove 101 have better bonding strength.

[0021] Furthermore, in order to coordinate the thickness of the outsole itself and the connection strength with the anti-torsion plate, the depth of the groove 101 is set between one-half and one-quarter of the thickness of the outsole 1. This depth setting allows the anti-torsion plate 402 to fit well with the outsole 1, while preventing the thickness of some parts of the outsole 1 from being too thin, thus ensuring the good service life of the outsole 1 itself.

[0022] Furthermore, the extension piece 401 has a "Y" shaped structure. (See reference...) Figure 1 The extension plate 401 is set on both the front and back sides, so the overall anti-torsion plate 4 has a double "Y" shape structure. The extension plate 401 is hollowed out in the middle of the corresponding foot and the middle of the heel, so that the foot will not have a very obvious "hard board" feeling when wearing it. At the same time, the "Y" shape structure can more easily concentrate the torsional force in the middle of the anti-torsion plate, that is, the center of the foot, as the foot twists and turns. When the deformation recovers, the anti-torsion plate 4 quickly releases the accumulated torsional force and restores the sole to a flat state. This avoids the problem of excessive rigidity caused by the traditional method of using a single piece of anti-torsion plate, which can lead to compensatory strain of the foot muscles and fascia.

[0023] Furthermore, refer to Figure 1 In order to ensure the overall adhesion of the sole, the upper part of the outsole 1 and the lower part of the midsole 2 are respectively provided with a first recessed part 5 (indicated by the dotted line) and a second recessed part 6 that are adapted to the shape and size of the anti-torsion plate 4. Through the above structure, the anti-torsion plate 4 is sandwiched between the first recessed part 5 and the second recessed part 6, so as to avoid the outsole or midsole from becoming uneven due to the installation of the anti-torsion plate.

[0024] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the design concept of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A shoe sole structure, comprising an outsole (1) and a midsole (2), characterized in that: The outsole (1) is provided with a groove (101) extending from the center of the foot to the front and back sides. A reinforcing woven fabric (3) and an anti-torsion plate (4) are provided between the outsole (1) and the midsole (2). The reinforcing woven fabric (3) is attached to the outsole (1). The anti-torsion plate (4) is located in the center of the foot and extends forward and backward with an extension plate (401). The bottom of the extension plate (401) has a protruding rib (402). The protruding rib (402) presses itself and part of the reinforcing woven fabric (3) into the groove (101).

2. The sole structure according to claim 1, characterized in that: The groove (101) has two extending forward and two extending backward.

3. The sole structure according to claim 1, characterized in that: The cross-sectional settings of the groove (101) and the raised rib are adapted to each other and are both set as trapezoidal structures with a smaller top and a larger bottom.

4. The sole structure according to claim 1, characterized in that: The depth of the groove (101) is set to between one-half and one-quarter of the thickness of the base (1).

5. A shoe sole structure according to claim 2, characterized in that: The two grooves extending forward and the two grooves extending backward are both designed as arc-shaped structures.

6. The sole structure according to claim 1, characterized in that: The extension piece (401) has a "Y" shaped structure.

7. A shoe sole structure according to claim 1, characterized in that: The upper part of the outsole (1) and the lower part of the middle outsole (2) are respectively provided with a first recess (5) and a second recess (6) that are adapted to the shape and size of the anti-torsion plate (4), and the anti-torsion plate (4) is sandwiched between the first recess (5) and the second recess (6).

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