Insole

Abstract

The utility model discloses an insole which comprises an insole body, and the insole body comprises a surface layer, a buffer layer and a base layer which are sequentially connected. A plurality of air guide channels are formed in the buffer layer and form an annular structure distributed in the circumferential direction in the buffer layer; the section diameters of the air guide channels at the foot sole part and the heel part are larger than the section diameters of the air guide channels at the foot arch part, so that when the foot sole part or the heel part is pressed, air in the air guide channels at the corresponding positions is squeezed and displaced, and the air moves from the pressed area to the foot arch part and the non-pressed area; and the gas flow is relatively reduced when flowing through the arch part. The utility model provides an insole which has optimized buffering performance and ensures that a soft rebound effect can be provided when a user wears the insole.

Description

Technical Field

[0001] The utility model relates to the technical field of shoe accessories, in particular to an insole. Background Art

[0002] Insoles are a crucial component of footwear, coming into direct contact with the wearer's foot and playing a crucial role in improving comfort and protecting foot health. However, current insole products on the market suffer from deficiencies in their rebound performance. Specifically, when the insole is released after applying pressure, the rebound curve often exhibits a harsh, lacking softness. This directly impacts the wearer's overall wearing experience, resulting in unsatisfactory comfort. Utility Model Content

[0003] The purpose of the present invention is to overcome the above-mentioned defects or problems in the background technology and provide an insole with optimized cushioning performance to ensure a soft rebound effect when worn.

[0004] To achieve the above objectives, the various embodiments of the present invention adopt the following technical solutions but are not limited to the following solutions:

[0005] The first technical solution relates to an insole, comprising an insole body, wherein the insole body comprises a surface layer, a buffer layer and a base layer connected in sequence; a plurality of air guide channels are provided in the buffer layer, and the air guide channels form a ring structure distributed circumferentially in the buffer layer; the cross-sectional diameter of the air guide channels at the sole and heel portions is larger than the cross-sectional diameter at the arch portion, so that when the sole or heel portion is subjected to pressure, the gas in the air guide channels at the corresponding position is squeezed and displaced, causing the gas to move from the pressurized area to the arch portion and the unpressurized area, and the gas flow rate is relatively reduced when flowing through the arch portion.

[0006] The second technical solution is based on the first technical solution, wherein the insole body is provided with a plurality of ventilation holes, and the plurality of ventilation holes sequentially pass through the surface layer, the buffer layer and the base layer, and are distributed in the arch part; the ventilation holes are surrounded by an annular structure formed by at least one air guide channel in the buffer layer.

[0007] The third technical solution is based on the second technical solution, wherein the air pores are conical structures, and the opening diameters of the air pores in the surface layer are smaller than the opening diameters of the air pores in the base layer.

[0008] The fourth technical solution is based on the first technical solution, wherein the base layer is provided with a plurality of grooves, the grooves are located in the forefoot portion of the insole, the cross-section of the grooves is triangular, and the grooves are distributed on both sides of the forefoot portion and the toe position.

[0009] The fifth technical solution is based on the fourth technical solution, wherein the base layer is made of a highly elastic material.

[0010] The sixth technical solution is based on the fifth technical solution, wherein the base layer adopts a first foam material.

[0011] The seventh technical solution is based on the sixth technical solution, wherein the buffer layer is made of a second foam material.

[0012] The eighth technical solution is based on the seventh technical solution, wherein the density of the first foam material is greater than the density of the second foam material.

[0013] The ninth technical solution is based on the first technical solution, wherein the surface layer is a breathable fabric.

[0014] The tenth technical solution is based on any one of the first to ninth technical solutions, wherein the surface layer, the buffer layer and the base layer are connected by sewing.

[0015] From the above description of the various embodiments of the present invention, it can be seen that compared with the prior art, the various embodiments of the present invention have the following beneficial effects:

[0016] In the first technical solution and related embodiments, air channels are provided within the cushioning layer, distributed circumferentially in an annular configuration, enhancing the cushioning performance and comfort of the insole. When the wearer exercises or moves, pressure is applied to the sole of the foot, causing the gas within the air channels to be compressed and displaced. The gas moves from the sole to the arch and heel. Due to the smaller aperture of the air channels in the arch, the gas flow is restricted, reducing the flow rate. This prevents the gas from being released rapidly upon entering the heel, but instead gradually distributes the pressure, effectively reducing the instantaneous impact force on the foot. Conversely, when the wearer applies pressure through the heel, the gas within the heel air channels follows the same principle, gradually flowing toward the sole. This design ensures that the insole's rebound is not harsh, but rather provides a softer rebound curve, increasing the duration of the cushioning and allowing the pressure to be gradually distributed. This cushioning and shock-absorbing effect is particularly significant when jogging or standing for long periods of time, effectively improving foot comfort and reducing fatigue and discomfort.

[0017] In the second technical solution and related embodiments, by providing ventilation holes that penetrate the three-layer structure of the insole, the breathability of the insole is enhanced, helping to keep the feet dry and reduce stuffiness and slipping. At the same time, the design of the ventilation holes helps to reduce the weight of the insole body.

[0018] In the third technical solution and related embodiments, conical air holes are used, and the opening diameter of the surface layer is smaller than the opening diameter of the base layer, which can effectively guide the air flow, form an air circulation path from bottom to top, and enhance the breathability. The larger lower aperture design increases the air outflow, helps the insole to better remove moisture and keep the environment inside the shoe dry. The smaller upper aperture means that when the insole is under pressure, the air flow is compressed, thereby accelerating air circulation and further improving breathability. This design effectively improves the moisture removal capacity of the insole, keeps the feet dry, reduces the possibility of bacterial growth, and improves wearing comfort and hygiene. The air holes also help to reduce the weight of the insole itself.

[0019] In the fourth technical solution and related embodiments, the insole is provided with triangular grooves distributed in the forefoot portion of the base layer. The grooves can form multiple contact points on the bottom of the insole, enhancing friction with the inner surface of the sole and effectively preventing the insole from shifting or sliding during use. As the insole recovers its shape after being compressed, the grooves provide additional resilience, thereby improving foot feel and support. It is particularly suitable for sports such as jogging, and can adapt to the dynamic movement requirements of the foot and provide more stable insole performance. At the same time, the groove design reduces the material of the base layer, making the insole body lighter, which helps to improve the lightweightness of sports shoes without sacrificing the support and comfort of the insole.

[0020] In the fifth technical solution and related embodiments, the base layer uses a highly elastic material, which can provide better support and cushioning, adapt to different foot shapes, and improve the adaptability and durability of the insole.

[0021] In the sixth technical solution and related embodiments, the base layer adopts the first foam material to provide good support and comfort while maintaining the lightness of the insole.

[0022] In the seventh technical solution and related embodiments, the buffer layer uses a second foam material to provide good buffering performance, reduce the impact on the feet when walking, and improve wearing comfort.

[0023] In the eighth technical solution and related embodiments, the density of the first foam material is greater than that of the second foam material, the base layer is in direct contact with the sole, the higher density foam material is more wear-resistant, and the low density foam material makes the buffer layer softer, realizing the different requirements of different parts for hardness and elasticity.

[0024] In the ninth technical solution and related embodiments, the surface layer directly contacts the wearer's feet, and the breathable fabric can provide good breathability and comfort for the wearer.

[0025] In the tenth technical solution and related embodiments, the surface layer, cushioning layer, and base layer are connected by sewing, which not only improves the overall stability of the insole but also enhances its durability. Compared with the common gluing method, sewing thread connection technology improves the breathability of the insole. Gluing may block the breathable structure, causing it to fail to perform its intended ventilation function. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 Schematic diagram of the insole structure of the embodiment;

[0028] Figure 2 is a cross-sectional view of the insole structure of an embodiment;

[0029] Figure 3 Schematic diagram of the ventilation holes in the embodiment;

[0030] Figure 4 Schematic diagram of the buffer layer structure of an embodiment;

[0031] Figure 5 Schematic diagram of the base structure of the embodiment.

[0032] Description of main reference numerals:

[0033] Surface layer 1; cushioning layer 2; base layer 3; air guide channel 21; groove 31; sole body 100; ventilation hole 110; sole portion 111; heel portion 112; arch portion 113. DETAILED DESCRIPTION

[0034] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are preferred embodiments of the present invention and should not be regarded as excluding other embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0035] In the claims, description and the above-mentioned drawings of the present utility model, unless otherwise clearly defined, the use of terms such as "first", "second" or "third" is to distinguish different objects rather than to describe a specific order.

[0036] In the claims, specification and the above-mentioned drawings of the present utility model, unless otherwise expressly defined, directional words, such as the terms "center", "transverse", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise" and the like, indicating directions or positional relationships are based on the directions and positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the specific protection scope of the present utility model.

[0037] In the claims, specification and the above drawings of the present utility model, unless otherwise clearly defined, if the terms "fixed connection" or "fixed connection" are used, they should be understood in a broad sense, that is, any connection method without any displacement relationship and relative rotation relationship between the two parties, that is to say, including non-detachable fixed connection, detachable fixed connection, integral connection and fixed connection through other devices or elements.

[0038] In the claims, description and drawings of the present utility model, if the terms "include", "have" and their variations are used, they are intended to mean "including but not limited to".

[0039] See also Figures 1 to 5 ,like Figure 1 As shown, an insole includes an insole body, which includes a surface layer 1, a cushioning layer 2, and a base layer 3 connected in sequence. The surface layer 1, cushioning layer 2, and base layer 3 are connected by sewing. This connection method not only improves the overall stability of the insole but also enhances its durability. Compared with the common glue bonding method, sewing thread connection technology improves the breathability of the insole. Glue bonding may block the breathable structure, causing it to fail to perform its intended breathability function.

[0040] The insole body is provided with a plurality of ventilation holes 110, which penetrate from the surface layer 1 to the base layer 3 and are distributed in the arch portion 113. By providing the ventilation holes 110 and making them pass through the three-layer structure of the insole, the breathability of the insole is enhanced, which helps to keep the feet dry and reduce stuffiness and slipping. At the same time, the design of the ventilation holes helps to reduce the weight of the insole body. Specifically, Figure 3As shown, the air vent 110 has a conical structure, and the opening diameter of the air vent 110 in the surface layer 1 is smaller than the opening diameter of the air vent 110 in the base layer 3. The use of the air vent 110 with a conical structure and an opening diameter in the surface layer 1 smaller than the opening diameter of the base layer 3 can effectively guide the air flow, form an air circulation path from bottom to top, and enhance the breathability. The larger lower aperture design increases the air outflow, helps the insole to better remove moisture and keep the environment inside the shoe dry. The smaller upper aperture means that when the insole is under pressure, the air flow is compressed, thereby accelerating air circulation and further improving breathability. This design effectively improves the moisture removal capacity of the insole, keeps the feet dry, reduces the possibility of bacterial growth, and improves wearing comfort and hygiene. The air vent 110 also helps to reduce the weight of the insole body.

[0041] Surface layer 1, such as Figure 1 As shown, it directly contacts the wearer's feet and provides a comfortable touch. Specifically, the surface layer 1 is made of breathable fabric. Since the surface layer 1 directly contacts the wearer's feet, the breathable fabric can provide good breathability and comfort for the wearer.

[0042] The cushioning layer 2 is located between the surface layer 1 and the base layer 3 and is used to absorb and disperse the impact force generated when walking. Specifically, the cushioning layer 2 is made of a second foam material. The foam material can provide good cushioning performance, reduce the impact on the foot when walking, and improve wearing comfort. Figure 2 and Figure 4 As shown, a plurality of air guide channels 21 are provided in the buffer layer 2, and the air guide channels 21 form an annular structure distributed along the circumferential direction in the buffer layer 2; Figure 4 As shown, the cross-sectional diameter of the air guide channel 21 at the sole portion 111 and the heel portion 112 is larger than its cross-sectional diameter at the arch portion 113, so that when the sole portion 111 or the heel portion 112 is subjected to pressure, the gas in the air guide channel 21 at the corresponding position is squeezed and displaced, causing the gas to move from the pressurized area to the arch portion 113 and the unpressurized area, and the gas flow rate is relatively reduced when flowing through the arch portion 113.

[0043] The ventilation holes 110 are surrounded by an annular structure formed by at least one air channel 21 in the cushioning layer 2. Specifically, the ventilation holes 110 of the cushioning layer 2 are located in the arch area 113 and do not conflict with the annular air channel 21 distributed along the circumference of the cushioning layer 2.

[0044] Base 3, such as Figure 1As shown, the base layer 3 directly contacts the sole of the shoe, providing stable support. Specifically, the base layer 3 is made of a highly elastic material. This highly elastic material provides better support and cushioning for the insole, adapting to different foot shapes and improving the adaptability and durability of the insole. Specifically, the base layer 3 is made of a first foam material, which provides excellent support and comfort while maintaining the insole's lightweight design.

[0045] The density of the first foam material is greater than that of the second foam material. Since the base layer 3 is in direct contact with the sole, the higher density foam material is more wear-resistant, while the lower density foam material makes the cushioning layer 2 softer, meeting the different requirements of hardness and elasticity for different parts.

[0046] like Figure 5 As shown, the base layer 3 is provided with a plurality of grooves 31, which are located in the forefoot portion of the insole. The cross-section of the grooves 31 is triangular, and the grooves 31 are distributed on both sides of the forefoot portion and at the toes. The base layer 3 of the insole is provided with grooves 31 with triangular cross-sections distributed in the forefoot portion. The grooves 31 can form multiple contact points at the bottom of the insole, thereby enhancing the friction with the inner surface of the sole and effectively preventing the insole from shifting or sliding during use. In the process of the insole recovering its shape after being compressed, the grooves 31 provide additional resilience, thereby improving the foot feel and support. It is particularly suitable for sports such as jogging, can adapt to the dynamic movement requirements of the foot, and provide more stable insole performance. At the same time, the design of the grooves 31 reduces the material of the base layer 3, making the insole body lighter, which helps to improve the lightweight of sports shoes without sacrificing the support and comfort of the insole.

[0047] In this embodiment, air channels 21 are provided within the cushioning layer 2, distributed circumferentially in an annular configuration, thereby enhancing the cushioning performance and comfort of the insole. When the wearer exercises or moves, pressure is applied to the sole 111, causing the gas within the air channels 21 to be compressed and displaced. The gas moves from the sole 111 toward the arch 113 and heel 112. Due to the smaller aperture of the air channels 21 in the arch 113, the gas flow is restricted, reducing the flow rate. This prevents the gas from being rapidly released upon entering the heel 112, but instead gradually disperses the pressure, effectively reducing the instantaneous impact force on the foot. Conversely, when the wearer applies pressure through the heel, the gas within the air channels 21 in the heel 112 follows the same principle, gradually flowing toward the sole 111. This design ensures that the insole's rebound is not too abrupt, but rather provides a softer rebound curve, increasing the cushioning time and allowing the pressure to be gradually dispersed. This cushioning and shock-absorbing effect is particularly significant when jogging or standing for a long time, which can effectively improve foot comfort and reduce fatigue and discomfort.

[0048] The above description and embodiments are used to explain the scope of protection of the utility model, but do not constitute a limitation on the scope of protection of the utility model. Based on the enlightenment of the utility model or the above embodiments, modifications, equivalent replacements, or other improvements to the embodiments of the utility model or part of the technical features thereof that can be obtained by ordinary technicians in this field through logical analysis, reasoning, or limited experiments in combination with common knowledge, ordinary technical knowledge in this field and / or existing technology should be included in the scope of protection of the utility model.

Claims

1. A shoe insole, characterized in that: The insole comprises an insole body, wherein the insole body comprises a surface layer (1), a buffer layer (2) and a base layer (3) connected in sequence; a plurality of air guide channels (21) are provided in the buffer layer (2), and the air guide channels (21) form a ring structure distributed along the circumferential direction in the buffer layer (2); the cross-sectional diameter of the air guide channels (21) at the sole portion (111) and the heel portion (112) is larger than the cross-sectional diameter at the arch portion (113), so that when the sole portion (111) or the heel portion (112) is subjected to pressure, the gas in the air guide channels (21) at the corresponding position is squeezed and displaced, causing the gas to move from the pressurized area to the arch portion (113) and the unpressurized area, and the gas flow rate is relatively reduced when flowing through the arch portion (113).

2. The insole according to claim 1, wherein: The insole body is provided with a plurality of ventilation holes (110), the ventilation holes (110) extending from the surface layer (1) to the base layer (3) and respectively located at the arch portion (113); the ventilation holes (110) are surrounded by an annular structure formed by at least one air guide channel (21) in the cushioning layer (2).

3. The insole according to claim 2, wherein: The vent holes (110) are of a conical structure, and the opening diameter of the vent holes (110) in the surface layer (1) is smaller than the opening diameter of the vent holes (110) in the base layer (3).

4. The insole according to claim 1, wherein: The base layer (3) is provided with a plurality of grooves (31), the grooves (31) are located at the forefoot portion of the insole, the cross section of the grooves (31) is triangular, and the grooves (31) are distributed on both sides of the forefoot portion and at the toe position.

5. The insole according to claim 4, wherein: The base layer (3) is made of highly elastic material.

6. The insole according to claim 5, wherein: The base layer (3) is made of a first foam material.

7. The insole according to claim 6, wherein: The buffer layer (2) is made of a second foam material.

8. The insole according to claim 7, wherein: The density of the first foam material is greater than the density of the second foam material.

9. The insole according to claim 1, wherein: The surface layer (1) is a breathable fabric.

10. The insole according to any one of claims 1 to 9, characterized in that: The surface layer (1), the buffer layer (2) and the base layer (3) are connected by sewing.

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