Sole structure and shoe

Through the design of attaching the piece in the sole structure, combined with the contoured edge and step surface structure, the wearing discomfort and foot injury caused by the reinforced structure of the existing shoe is solved, and higher comfort and safety are achieved.

CN222737361UActive Publication Date: 2025-04-11SANLIUYIDU (FUJIAN) SPORTS GOODS CO LTD +1
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Patent Information

Application Number
CN202421683547.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-04-11
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The reinforced side structure of existing shoes has poor wear comfort due to high hardness, and long-term wear may cause injury or skin breakage on the feet.

Method used

Design a sole structure, including attaching a TPU attachment piece with a harder than the midsole on the outer side of the midsole, and setting a contoured edge and transitional arc surface between the midsole and the attachment piece to form a step surface to create a buffer space, reduce the hardness of the attachment piece, and improve the local structural strength by strengthening strips.

Benefits of technology

Through the design of the buffer space, the pinch resistance when the foot is laterally applied is reduced, the comfort and safety of wear is improved, the foot surface damage caused by jamming and friction is avoided, and the structural strength of the side of the sole is maintained.

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Abstract

The utility model relates to the field of shoes, and provides a shoe sole structure and a shoe, the shoe sole structure comprises a shoe insole and an attaching piece, the edge contour of the top surface of the shoe insole is provided with a raised contour covered edge, and a transition cambered surface is arranged between the contour covered edge and the top surface of the shoe insole; the attaching piece is arranged on one side of the shoe insole, the horizontal height of the top face of the attaching piece is larger than that of the top face of the outline covered edge, and a step face is formed on the top face of the outline covered edge. The hardness of the attaching piece is larger than that of the shoe insole. The attaching piece is attached to the outer side face of the shoe insole and used for enhancing the structural strength of the shoe side face, meanwhile, the outline covered edge is arranged between the shoe insole and the attaching piece, and the step is designed on the top face of the outline covered edge, so that a buffer space can be formed, the foot cannot be directly abutted by the attaching piece, and the wearing comfort is improved.
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Description

Technical Field

[0001] The utility model relates to the field of shoes, in particular to a sole structure and a shoe. Background Art

[0002] The sole is one of the important components of the shoe structure. It can provide good comfort, as well as elasticity, support, cushioning and protection. For example, some TPU will be attached to the side of the sole or from the bottom to the side to strengthen the structure of the side of the shoe. If a large area needs to be fitted with the upper, the TPU needs to be bent toward the shoe body at a certain angle to fit the upper. However, due to the high hardness of TPU, the design of the curved structure will cause the TPU to push against the opposite direction when the relative force is applied to the TPU during exercise. When the hardness is high, it will cause the foot to get stuck, making it uncomfortable to wear; if worn for a long time, it will cause injuries or skin breakage on the instep. Utility Model Content

[0003] The utility model aims to provide a sole structure and a shoe, aiming to improve the existing reinforcement structure of the side of the shoe, which has a problem of poor wearing comfort due to high structural strength.

[0004] To achieve the above purpose, the utility model adopts the following technical solution: a sole structure, comprising:

[0005] A shoe midsole, wherein a raised contour edging is arranged on the edge contour of the top surface thereof, and a transitional camber is arranged between the contour edging and the top surface of the shoe midsole; and

[0006] An attachment sheet is arranged on one side of the midsole, the top surface of the attachment sheet is located at a higher level than the top surface of the contour edging, and a step surface is formed on the top surface of the contour edging; the hardness of the attachment sheet is greater than the hardness of the midsole.

[0007] Preferably, the width of the step surface is 0.5-1.2 mm.

[0008] Preferably, the attachment sheet is a sheet made of TPU material, and the thickness of the attachment sheet is 0.8-1.5 mm.

[0009] Preferably, a reinforcement strip is provided on the attachment sheet, and the reinforcement strip is provided between the top surface of the contour edging and the top surface of the attachment sheet.

[0010] Preferably, the attachment sheet is arranged on the outer side surface of the forefoot area of ​​the shoe midsole, or the attachment sheet is arranged on the outer side surface of the sole of the shoe midsole.

[0011] Preferably, a shoe outsole is arranged on the bottom surface of the shoe midsole, and a connecting edging is arranged on the inner side surface of the forefoot area of ​​the shoe midsole.

[0012] Preferably, a carbon plate is provided between the outsole and the midsole on the arch area.

[0013] A pair of shoes is also provided, comprising the above-mentioned sole structure.

[0014] After adopting the above technical solution, the utility model has the following advantages compared with the background technology:

[0015] 1. An attachment sheet is attached to the outer side of the midsole to strengthen the structural strength of the side of the shoe. At the same time, there is a contour edge between the midsole and the attachment sheet, and a step is designed on the top surface of the contour edge. This can form a buffer space so that when the foot exerts force laterally, it will not be directly resisted by the attachment sheet, thereby improving the problems of foot sticking, friction, and skin damage, and improving wearing comfort and safety.

[0016] 2. In order to reduce the foreign body feeling of the step surface design, the length of the step surface is controlled between 0.5 and 1.2 mm, which can greatly reduce the impact. In this way, after sewing and bonding the upper, the overall comfort of the shoe is improved.

[0017] 3. The attached piece is made of TPU material. By reducing the thickness, the overall hardness can be reduced. Where reinforcement is needed, it can be improved by designing reinforcement strips. This meets the strength of the local structure and does not make the side hardness of the sole higher as a whole, thereby achieving the purpose of improving wearing comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the sole structure of the utility model at a first viewing angle;

[0019] Figure 2 It is a structural schematic diagram of the sole structure of the utility model at a second viewing angle;

[0020] Figure 3 It is a structural schematic diagram of the sole structure of the utility model from the bottom surface perspective;

[0021] Description of reference numerals:

[0022] 10. midsole; 101. contour edging; 102. transition arc surface; 103. step surface;

[0023] 20. Attachment sheet; 201. Reinforcement strip;

[0024] 30. Shoe outsole; 301. Connecting hemming;

[0025] 40. Carbon plate. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0027] In addition, it should be noted that the terms "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element of the present invention must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] When an element is referred to as being “fixed to” or “disposed on” or “provided on” another element, it may be directly on the other element or indirectly on the other element. When an element is referred to as being “connected to” another element, it may be directly connected to the other element or indirectly connected to the other element.

[0029] Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0030] Embodiment 1

[0031] Please refer to Figure 1 and Figure 2 As shown, the present embodiment provides a sole structure, including a midsole 10 and an attachment sheet 20, wherein a raised contour edging 101 is provided on the edge contour of the top surface of the midsole 10, and a transition arc surface 102 is provided between the contour edging 101 and the top surface of the midsole 10; the attachment sheet 20 is provided on one side of the midsole 10, the horizontal height of the top surface of the attachment sheet 20 is higher than the horizontal height of the top surface of the contour edging 101, and a step surface 103 is formed on the top surface of the contour edging 101; the hardness of the attachment sheet 20 is greater than the hardness of the midsole 10.

[0032] Specifically, an attachment sheet 20 is attached to the outer side of the midsole 10 to strengthen the structural strength of the side of the shoe. At the same time, there is a contour edge 101 between the midsole 10 and the attachment sheet 20, and a step is designed on the top surface of the contour edge 101. In this way, a buffer space can be formed, so that the foot will not be directly impacted by the attachment sheet 20, thereby improving the wearing comfort.

[0033] The design of the transition arc surface 102 can make the structure of the contour edge 101 smaller at the top and larger at the bottom, which has good structural support and improves the strength of the structure. At the same time, it can also adapt to the arc structure of the side of the human foot to improve the comfort of wearing.

[0034] In this embodiment, the attachment sheet 20 can be a patch made of TPU (Thermoplastic Polyurethane, which has good wear resistance and impact resistance). The thickness of the attachment sheet 20 is 0.8-1.5 mm, preferably 1.0 mm. In this way, the thickness of the TPU can be controlled as a whole, and the overall structural strength can be reduced. When attached to the side of the midsole 10, it will not cause the structural strength of the sole to be too high, causing the foot to hit or rub, thereby improving comfort.

[0035] In this embodiment, the width of the step surface 103 is 0.5-1.2 mm, preferably 1 mm. In order to reduce the foreign body feeling of the step surface 103, the length of the step surface 103 is controlled between 0.5-1.2 mm, which can greatly reduce the impact. In this way, after sewing and laminating the upper, the overall comfort of the shoe is improved.

[0036] Furthermore, if Figure 1 As shown, in this embodiment, a reinforcing strip 201 is provided on the attachment sheet 20, and the reinforcing strip 201 is provided between the top surface of the contour edging 101 and the top surface of the attachment sheet 20. The reinforcing strip 201 can be made of TPU material, and the shape can be a strip, a block or a wave-like shape, forming a corresponding decoration to improve the appearance. At the same time, the reinforcing strip 201 can increase the structural strength of the attachment sheet 20 at a local position, so as to achieve the purpose of not hitting the foot and having good structural strength.

[0037] In this embodiment, the attachment sheet 20 is arranged on the outer side of the forefoot area of ​​the midsole 10, or the attachment sheet 20 is arranged on the outer side of the sole of the midsole 10. The structure of the outer side of the forefoot area of ​​the midsole 10 is strengthened, which can effectively prevent the foot from being sprained, that is, it has good support. According to the function of the shoe, the length of the attachment sheet 20 can be extended to the arch and the rear sole, so as to improve the structural strength of the entire outer side.

[0038] like Figure 3As shown, in this embodiment, a shoe outsole 30 is arranged on the bottom surface of the midsole 10, and a connecting edge 301 is arranged on the inner side of the forefoot area of ​​the shoe outsole 30. The shoe outsole 30 can be made of rubber or TPU material to improve the wear resistance of the sole, that is, to increase the service life of the sole structure. The design of the connecting edge 301 can also improve the structural strength of the inner side, prevent the toes from breaking the shoe surface, and improve practicality.

[0039] like Figure 3 As shown, in this embodiment, a carbon plate 40 is provided between the outsole 30 and the midsole 10 on the arch area. The design of the carbon plate 40 can improve the strength of the sole, while the forefoot does not have the carbon plate 40, which is conducive to bending and improves the bending performance, thereby improving the practicality of the sole.

[0040] Embodiment 2

[0041] This embodiment provides a shoe (not shown), including a sole structure as described in Example 1. Through the design of the sole structure, when the TPU reinforcement structure cooperates with the midsole, there is a reserved space between the midsole and the TPU. Therefore, a buffer area can be added during exercise, so that the foot will not be directly subjected to the reverse resistance of the TPU in the shoe, thereby improving the comfort of wearing. At the same time, by controlling the thickness of the TPU, the material used and the strength of the structure can be more controlled. For example, the thickness of the contour edging of the midsole is reduced to 0.8-1.5 mm in order to avoid the gap between the midsole and the TPU being too large when they are fitted, resulting in dents on the appearance and causing discomfort to the feet. In this way, the comfort of wearing the shoe is improved.

[0042] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A sole structure, characterized in that: include: A shoe midsole (10), wherein a raised contour edging (101) is arranged on the edge contour of the top surface, and a transitional camber (102) is arranged between the contour edging (101) and the top surface of the shoe midsole (10); and An attachment sheet (20) is arranged on one side of the shoe midsole (10); the top surface of the attachment sheet (20) is located at a higher level than the top surface of the contour edging (101), and a step surface (103) is formed on the top surface of the contour edging (101); the hardness of the attachment sheet (20) is greater than the hardness of the shoe midsole (10).

2. The sole structure according to claim 1, characterized in that: The width of the step surface (103) is 0.5 to 1.2 mm.

3. The sole structure according to claim 1, characterized in that: The attachment sheet (20) is a sheet made of TPU material, and the thickness of the attachment sheet (20) is 0.8 to 1.5 mm.

4. The sole structure according to claim 1, characterized in that: The attachment sheet (20) is provided with a reinforcing strip (201), and the reinforcing strip (201) is arranged between the top surface of the contour edging (101) and the top surface of the attachment sheet (20).

5. The sole structure according to claim 1, characterized in that: The attachment sheet (20) is arranged on the outer side of the forefoot area of ​​the shoe midsole (10), or the attachment sheet (20) is arranged on the outer side of the sole of the shoe midsole (10).

6. The sole structure according to claim 1, characterized in that: A shoe outsole (30) is arranged on the bottom surface of the shoe midsole (10), and a connecting edge (301) is arranged on the inner side surface of the forefoot area of ​​the shoe outsole (30) of the shoe midsole (10).

7. The sole structure according to claim 6, characterized in that: A carbon plate (40) is arranged on the arch area between the outsole (30) and the midsole (10).

8. A shoe, characterized in that: The shoe comprises the sole structure according to any one of claims 1 to 7.