A sole and shoe

Abstract

The invention discloses a kind of shoe sole and shoe, shoe sole includes: support plate, it is equipped with first extension, second extension and elastic bending part;First extension corresponds the extension of shoe sole from heel to forefoot;Second extension corresponds the location of shoe sole at heel and above first extension;Elastic bending part corresponds the rear end of shoe sole and connects first extension and second extension;And insole, bottom surface is attached to the top surface of first extension, corresponding the top surface of shoe sole heel is attached to the bottom surface of second extension;Insole rear end is equipped with rear tilt surface, which extends from lower to upper and rearwardly inclined towards the rear end of shoe sole;Rear tilt surface and support plate form a space;Shoe includes vamp and the above-mentioned shoe sole, the shoe sole and shoe can play a better supporting effect, shock-absorbing effect and energy feedback effect for human body, to achieve stable, labor-saving wearing feeling.

Description

Technical Field

[0001] This invention relates to the field of footwear technology, specifically to a sole and a shoe. Background Technology

[0002] For walking or exercise, shoes need soles that provide support to maintain balance and stability, offer cushioning to reduce impact and injury, and provide good energy return for effortless walking and exercise. However, providing support requires a certain degree of rigidity, while cushioning requires elasticity to absorb impact and vibration. This absorption can, in turn, affect energy return. Therefore, it's difficult for existing shoe soles to excel in all three aspects simultaneously. Summary of the Invention

[0003] The purpose of this invention is to overcome the aforementioned defects or problems in the prior art and to provide a sole and shoe that can provide better support, cushioning and energy feedback for the human body, so as to achieve a stable and effortless wearing experience.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A shoe sole includes: a support plate having a first extension, a second extension, and an elastic bending portion; the first extension extends from the heel to the forefoot corresponding to the sole; the second extension is located at the heel and above the first extension; the elastic bending portion corresponds to the rear end of the sole and connects the first and second extensions; and a midsole, the bottom surface of which abuts against the top surface of the first extension, and the top surface corresponding to the heel of the sole abuts against the bottom surface of the second extension; the rear end of the midsole has a backward-sloping surface extending backward from bottom to top toward the rear end of the sole; a clearance space is formed between the backward-sloping surface and the support plate.

[0006] Furthermore, the lower edge of the sloping surface is located near the front of the sole at the middle position relative to the heel of the sole, and its upper edge is located near the rear of the sole at the middle position relative to the heel of the sole.

[0007] Furthermore, the lower edge of the sloping surface is located behind the leading edge of the second extension in the anteroposterior direction of the sole.

[0008] Furthermore, the rearward sloped surface intersects with the first surface perpendicular to the left-right direction of the sole and located in the middle of the left-right direction of the sole to form a first intersection line, and the angle between the portion of the first intersection line near the lower end and the top surface of the first extension ranges from 15° to 50°.

[0009] Furthermore, the first intersection line is an arc that bends toward the front end of the sole.

[0010] Furthermore, a supporting sidewall extends upward around the periphery of the second extension.

[0011] Furthermore, the second extension is provided with a plurality of weight-reducing holes that extend through the vertical direction.

[0012] Furthermore, the support plate is a carbon fiber plate, a nylon plate, or a TPU plate.

[0013] Furthermore, it also includes a sole, which is attached to the bottom surface of the first extension.

[0014] In addition, the present invention also provides a shoe, including an upper and a sole as described in any of the preceding claims, wherein the upper is attached to the sole.

[0015] As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The sole provided by this invention includes a support plate and a midsole. Generally, the midsole has a certain elasticity, providing users with good wearing comfort, and can also provide a certain rebound performance for user movement through deformation. In this sole, the midsole is placed on the support plate, which has a first extension and a second extension. The first extension extends from the heel to the forefoot, and can be considered as the first extension corresponding to the entire sole. The midsole is placed on the top surface of the first extension. The second extension is located above the first extension and is positioned at the heel. The first and second extensions are connected by an elastic bending portion. When the second extension moves downward under the pressure of the heel, the elastic bending portion is pulled, causing it to deform. The deformation of the elastic bending portion quickly recovers when the pressure on the heel decreases, thereby driving the second extension to recover. The process of repositioning the support plate allows it to provide better rebound performance for the user. At the same time, the rear end of the midsole is provided with a backward-sloping surface, which extends from bottom to top towards the rear end of the sole. Since the part of the midsole at the heel is located between the first extension and the second extension, when the second extension is pressed down, the backward-sloping surface will also move down due to the pressure on the midsole. This allows the backward-sloping surface and the first extension to form a structure similar to an elastic bending section. Since the bottom surface of the midsole is also glued to the top surface of the first extension, this structure formed by the backward-sloping surface and the first extension can also provide rebound in a similar way to the elastic bending section. This allows the sole to utilize the rebound of the midsole material itself, as well as the rebound of the elastic bending section and the rebound provided by the backward-sloping surface and the first extension, so that the sole can maintain a comfortable and highly responsive wearing experience.

[0017] Meanwhile, since the first extension of the support plate corresponds to the bottom of the entire sole, and the midsole is located above the first extension of the support plate, the contact between the support plate and the ground no longer needs to be separated by a soft midsole. When the second extension is subjected to pressure, this pressure can be quickly transmitted to the first extension through the elastic bending part. The first extension can expand the contact area of ​​the force and reduce the pressure, so that when the user's heel applies force to the second extension, it can obtain a lighter and more obvious feeling of stepping on the ground, giving the user better support and achieving the performance goal of good performance in support, cushioning and energy return.

[0018] 2. The lower edge of the backward-sloping surface is positioned closer to the front of the sole relative to the middle of the heel, and the upper edge is positioned closer to the rear of the sole relative to the middle of the heel. When applying force to the second extension, the main point of force is in the middle of the second extension, which is the middle of the heel. The backward-sloping surface spans the middle of the heel, thus extending the clearance space to the middle of the heel. When the second extension is compressed, it is easier to cause the rear of the midsole to deform, resulting in a softer overall feel and a more bouncy wearing experience for the user.

[0019] 3. The lower edge of the rear slope is behind the front edge of the second extension. This can prevent the space below the second extension from being too far forward in the fore-and-aft direction of the sole, ensuring that the midsole can provide good support for the second extension, so that the sole can achieve a good balance in support, rebound and soft comfort.

[0020] 4. The angle between the first intersection line formed by the rearward slope and the first surface and the top surface of the first extension is between 15° and 50°. An appropriate range allows the structure formed by the rearward slope and the first extension, similar to an elastic bending section, to provide a more appropriate rebound effect while ensuring a more comfortable wearing experience. If the angle is too small, the rearward slope will directly contact the top surface of the first extension when compressed. In this case, the rebound will be provided by the material of the midsole itself, which will reduce the softness of the sole. If the angle is too large, the same problem will occur. Therefore, it is necessary to set the angle range to maintain a good balance between rebound and softness.

[0021] 5. The first intersection line is arc-shaped. During deformation, the backward slope of the midsole will be squeezed against each other, which can provide greater rebound force when recovering from deformation. If it is set to a straight line, the effect of this squeezing during deformation will be worse, and the rebound effect will also be worse.

[0022] 6. A supporting sidewall is provided on the second extension, which can provide lateral support to the user's heel when wearing the shoes, making the sole fit the foot better and preventing the user from twisting their ankle.

[0023] 7. Weight reduction holes are provided on the second extension. The weight reduction holes can reduce the weight of the support plate, thereby reducing the weight of the sole.

[0024] 8. The support plate is made of carbon fiber plate, nylon plate or TPU plate, which can provide good support, shock absorption and energy feedback through its own material properties.

[0025] 9. The sole also includes an outsole, which is attached to the bottom surface of the first extension and provides the sole with wear resistance, slip resistance and other properties.

[0026] 10. The shoes provided by the present invention use the above-mentioned sole, which can provide better support, shock absorption and energy feedback for the human body, so as to achieve a stable and effortless wearing experience. Attached Figure Description

[0027] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the following description of the embodiments are briefly introduced. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 A schematic diagram of the structure of an embodiment 1 of the shoe sole provided by the present invention;

[0029] Figure 2 A schematic diagram of the support plate in Embodiment 1 of a shoe sole provided by the present invention;

[0030] Figure 3 A schematic diagram of the support plate in Embodiment 2 of a shoe sole provided by the present invention;

[0031] Figure 4 A side view of the support plate in Embodiment 1 of a shoe sole provided by the present invention;

[0032] Figure 5 A schematic diagram of the midsole structure in Embodiment 1 of the present invention;

[0033] Figure 6 This is a schematic diagram of the outsole structure in Embodiment 1 of the shoe sole provided by the present invention.

[0034] Explanation of key figure labels:

[0035] Support plate 10; first extension 11; elastic bending part 12; second extension 13; weight reduction hole 131; extension front edge 132; support sidewall 14; midsole 20; midsole forefoot 21; connecting surface 211; midsole heel 22; rearward slope surface 221; contact surface 222; clearance space 30; outsole 40. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are preferred embodiments of the present invention and should not be considered as excluding other embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0037] Unless otherwise expressly defined, the use of terms such as "first," "second," or "third" in the claims, description, and accompanying drawings of this invention is for distinguishing different objects and not for describing a specific order.

[0038] Unless otherwise expressly defined, in the claims, description, and accompanying drawings of this invention, the use of directional terms such as "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," and "counterclockwise" to indicate orientation or positional relationships is based on the orientation and positional relationships shown in the accompanying drawings and is only for the convenience of describing the invention and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the specific scope of protection of this invention.

[0039] Unless otherwise expressly defined, the terms "fixed connection" or "fixed connection" used in the claims, description and drawings of this invention should be interpreted broadly to refer to any connection in which there is no displacement or relative rotation relationship between the two parties, including non-removable fixed connection, detachable fixed connection, integral connection and fixed connection by other means or components.

[0040] In the claims, description and accompanying drawings of this invention, the terms "comprising," "having," and variations thereof are used to mean "including but not limited to."

[0041] Example 1

[0042] Embodiment 1 of this invention provides a shoe sole, which can be referred to... Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6 The sole includes a support plate 10, a midsole 20, and an outsole 40.

[0043] The support plate 10 includes a first extension 11, a second extension 13, and an elastic bending portion 12. The first extension 11 extends from the heel to the forefoot of the sole. The second extension 13 is located at the heel of the sole and above the first extension 11. The elastic bending portion 12 is located at the rear end of the sole and connects the first extension 11 and the second extension 13. The midsole 20 has its bottom surface abutting against the top surface of the first extension 11 and its top surface at the heel of the sole abutting against the bottom surface of the second extension 13. The rear end of the midsole 20 has a backward-sloping surface 221 that faces the rear end of the sole and extends backward from bottom to top. A clearance space 30 is formed between the backward-sloping surface 221 and the support plate 10.

[0044] It should be noted that the above-mentioned sole has parts corresponding to the human foot. The names of these parts and the spatial portions they refer to are well known to those skilled in the art. For example, the forefoot of the above-mentioned sole refers to the part corresponding to the front end of the human foot to the arch, and the heel refers to the part corresponding to the arch to the back end of the human foot. In other applications, the arch may be divided separately, but in this embodiment, the sole is only divided into the forefoot and the arch. Therefore, the scope referred to by the forefoot should include part of the arch.

[0045] Reference Figure 2 The support plate 10 is a one-piece molded component, and its material can be carbon fiber, nylon, or TPU. In this embodiment, carbon fiber is selected. Figure 1 Taking the direction shown as an example, the first extension 11 of the support plate 10 is located below, and the second extension 13 is located above the first extension 11. Simultaneously, the first extension 11 corresponds to the shape of the sole, extending from the heel to the forefoot. This can be considered as the first extension 11 corresponding to the shape of the entire sole, allowing the midsole 20 to be fixed to the top surface of the first extension 11 by adhesive or other means. The midsole 20 is completely in contact with the ground through the first extension 11. In this embodiment, referring to... Figure 6 Below the first extension 11, an outsole 40 is also attached. The outsole 40 is typically made of vulcanized rubber. The first extension 11 contacts the ground through the outsole 40, which helps prevent the first extension 11 from being worn. The midsole 20 can be made of EVA foam or other materials, as long as it can provide a certain degree of rebound performance. However, it should be noted that in this embodiment, the midsole 20 is completely placed on the support plate 10, and the bottom surface of the support plate 10 is completely in contact with the outsole 40. Therefore, the support plate 10 forms a partition between the midsole 20 and the outsole 40.

[0046] An elastic bending portion 12 is formed at the rear end of the support plate 10. The lower side of the elastic bending portion 12 is connected to the first extension portion 11, and the upper side is connected to the second extension portion 13. The elastic bending portion 12 itself forms a structure that first protrudes backward from bottom to top and then bends forward. The elastic bending portion 12 cooperates with the first extension portion 11 and the second extension portion 13. When the second extension portion 13 is subjected to downward pressure, the elastic bending portion 12 will deform, thereby allowing the second extension portion 13 to move downward. At this time, the deformation is mainly concentrated in the elastic bending portion 12.

[0047] The second extension 13 is located at the heel of the sole and serves to support the user's heel. An extended leading edge 132 is formed at the front end of the second extension 13, which roughly corresponds to the junction between the heel and forefoot of the sole. A supporting sidewall 14 is also provided around the periphery of the second extension 13, extending upwards from the second extension 13, and provides lateral support for the user's heel.

[0048] For the support plate 10, there are slight differences in the rigidity of different parts. In this embodiment, the first extension 11 and the second extension 13 have higher rigidity, while the elastic bending part 12 has better elasticity. When carbon fiber is used as the manufacturing material, the rigidity of different positions can be adjusted by adjusting the direction of the carbon fiber.

[0049] Reference Figure 5 The midsole 20 includes a forefoot midsole 21 and a heel midsole 20, which correspond to the forefoot and heel of the sole, respectively. A contact surface 222 is formed at the top of the heel, and a connecting surface 211 is formed between the contact surface 222 and the forefoot midsole 21. This connecting surface 211 extends upward from the contact surface 222 to form a stepped structure. When the midsole 20 is fixed to the support plate 10, the bottom surface of the midsole 20 will contact the top surface of the first extension 11, and the contact surface 222 formed at the heel of the midsole 20 will contact the bottom surface of the second extension 13. The leading edge 132 of the second extension 13 abuts against the connecting surface 211, and the top surface of the forefoot midsole 21 can directly contact the forefoot part of the user's foot, forming a soft support for the forefoot and a hard support for the heel.

[0050] The rearward slope surface 221 is located at the rear end of the midsole 20. It is a structure that slopes backward from bottom to top towards the rear end of the sole. At the same time, a clearance space 30 is formed between the rearward slope surface 221 and the support plate 10. When the second extension 13 is pressed down, the midsole 20 will be deformed by the pressure, causing the rearward slope surface 221 to move downward and compress the clearance space 30.

[0051] In this embodiment, the lower edge of the backward-sloping surface 221 is located near the front of the sole relative to the middle position of the heel, and its upper edge is located near the rear of the sole relative to the middle position of the heel. Simultaneously, the lower edge of the backward-sloping surface 221 is located behind the front edge of the second extension 13 in the anteroposterior direction of the sole. The middle position of the heel should be understood as the main stress-bearing area of ​​the heel. This area is not a precise location, but its approximate location is well-known to those skilled in the art; therefore, the above description does not present any ambiguity. The rearward slope 221 essentially spans the middle of the heel of the sole in the forefoot direction, extending the clearance space 30 to the middle of the heel. When the second extension 13 is compressed, this facilitates easier deformation of the rear end of the midsole 20, resulting in a softer overall feel. Furthermore, the lower edge of the rearward slope 221, following the front edge 132, prevents the clearance space 30 below the second extension 13 from being too far forward in the forefoot direction, ensuring that the midsole 20 provides good support to the second extension 13. This allows the sole to achieve a good balance between support, rebound, and soft comfort. The forefoot direction mentioned above refers to... Figure 1 The left and right directions in the middle, specifically... Figure 1 The right side is the front, and the left side is the back.

[0052] Furthermore, the rearward-sloping surface 221 intersects with the first surface perpendicular to the left-right direction of the sole and located in the middle of the left-right direction of the sole to form a first intersection line. The angle between the portion of the first intersection line near its lower end and the top surface of the first extension 11 ranges from 15° to 50°, and the first intersection line is an arc-shaped curve bending towards the front end of the sole. See details for further information. Figure 1 The first surface here can be considered as a vertical surface extending along the front-back direction of the sole. This vertical surface can move in space along the left-right direction of the sole until it reaches the middle position of the sole in the left-right direction. At this point, the vertical surface intersects with the rearward inclined surface 221 to form the first intersection line. This first intersection line can be referenced... Figure 1The shape shown in the rearward slope surface 221 is such that the first intersection line is a slightly curved arc, with its curvature pointing towards the front end of the sole. An angle is formed between the first intersection line and the top surface of the first extension 11, ranging from 15° to 50°. In this embodiment, 45° is used. However, this angle is only the angle formed by the portion of the first intersection line closest to the first extension 11. Because the first intersection line is curved, the angle between it and the top surface of the first extension 11 decreases as the first intersection line moves towards the rear end of the sole. In this embodiment, the curved shape of the first intersection line allows the rearward slope surface 221 of the midsole 20 to compress against each other during deformation, providing greater rebound force upon recovery. If it were straight, this compression effect during deformation would be worse, and the rebound effect would also be correspondingly worse. Of course, in other embodiments, other angles can be used. However, it should be noted that if the angle is too small, the rearward surface 221 will directly contact the top surface of the first extension 11 when it is compressed. In this case, the material of the midsole 20 itself will provide the elasticity, which will reduce the softness of the sole. If the angle is too large, the same problem will occur. Therefore, it is necessary to set the angle range to maintain a good balance between elasticity and softness.

[0053] To further illustrate the rebound and cushioning performance of the sole provided in this embodiment, an impact simulation experiment was conducted on the sole. A conventional EVA material was used as the midsole 20, and carbon fiber material was used as the support plate 10. A steel ball of constant mass impacted the heel of the sole. The initial velocity of the steel ball was 2.2 m / s, and the rebound velocity after impact was 1.96 m / s. The peak impact force was approximately 947.81 N, the steel ball displacement was 13 mm, and the contact time was approximately 0.02 s. The resulting DSI was 83.9 N / m. These values ​​indicate that the sole has good softness and comfort, while also providing a certain degree of rebound performance for the user.

[0054] The sole provided in this embodiment includes a support plate 10 and a midsole 20. Generally, the midsole 20 has a certain degree of elasticity, providing good wearing comfort for the user, and also providing a certain degree of rebound performance through deformation. In this sole, the midsole 20 is placed on the support plate 10, which has a first extension 11 and a second extension 13. The first extension 11 extends from the heel to the forefoot, and can be considered to correspond to the entire sole. The midsole 20 is entirely placed on the top surface of the first extension 11. The second extension 13 is located above the first extension 11 and corresponds to the heel. The first extension 11 and the second extension... The extensions 13 are connected by an elastic bending portion 12. When the second extension 13 moves downward under the pressure of the heel, the elastic bending portion 12 is pulled along, causing it to deform. The deformation of the elastic bending portion 12 quickly recovers when the pressure on the heel decreases, thereby driving the second extension 13 back to its position. This process allows the support plate 10 to provide the user with better rebound performance. At the same time, the rear end of the midsole 20 is provided with a backward-sloping surface 221, which extends from bottom to top towards the rear end of the sole. Since the part of the midsole 20 at the heel is located between the first extension 11 and the second extension 13, when the second extension 13 is pressed down... When the midsole 20 is under pressure, the lateral surface 221 will also shift downwards, causing the lateral surface 221 to cooperate with the first extension 11 to form a structure similar to the elastic bending part 12. Since the bottom surface of the midsole 20 is also glued to the top surface of the first extension 11, this structure formed by the lateral surface 221 and the first extension 11 can also provide elasticity in a similar way to the elastic bending part 12. This allows the sole to utilize the elasticity of the midsole 20 material itself, as well as the elasticity of the elastic bending part 12 and the elasticity provided by the lateral surface 221 and the first extension 11, so that the sole can maintain a comfortable and resilient wearing experience. At the same time, due to the support The first extension 11 of the support plate 10 corresponds to the bottom of the entire sole, and the midsole 20 is located above the first extension 11 of the support plate 10. Therefore, the contact between the support plate 10 and the ground does not need to be separated by a soft midsole 20. When the second extension 13 is subjected to pressure, this pressure can be quickly transmitted to the first extension 11 through the elastic bending part 12. The first extension 11 can expand the contact area 222 of the force and reduce the pressure, so that when the user's heel applies force to the second extension 13, it can obtain a lighter and more obvious feeling of stepping on the ground, giving the user better support and achieving the performance goal of good performance in support, cushioning and energy return.

[0055] Example 2

[0056] The specification of this invention also provides an embodiment 2, which differs from embodiment 1 in that the structure of the support plate 10 is improved, as detailed below. Figure 3 Several weight-reducing holes 131 are provided on the second extension 13, which can reduce the weight of the support plate 10 without reducing the structural strength of the second extension 13.

[0057] Example 3

[0058] The specification of this invention also provides Embodiment 3, which provides a shoe including an upper and a sole provided in Embodiment 1 or Embodiment 2 above. The upper is fixed to the sole by means of adhesive or the like, which can provide good support, shock absorption and energy feedback for the human body, so as to achieve a stable and effortless wearing experience.

[0059] The foregoing description of the specifications and embodiments is intended to explain the scope of protection of this invention, but does not constitute a limitation on the scope of protection of this invention. Modifications, equivalent substitutions, or other improvements to the embodiments of this invention or a portion thereof that can be obtained by those skilled in the art through logical analysis, reasoning, or limited experimentation, based on the teachings of this invention or the foregoing embodiments, in conjunction with common knowledge, general technical knowledge, and / or existing technology, should all be included within the scope of protection of this invention.

Claims

1. A shoe sole, characterized in that it comprises: A support plate (10) is provided with a first extension (11), a second extension (13), and an elastic bending portion (12); the first extension (11) extends from the heel to the forefoot of the sole; the second extension (13) is located at the heel of the sole and above the first extension (11); the elastic bending portion (12) corresponds to the rear end of the sole and connects the first extension (11) and the second extension (13); and a midsole (20), the bottom surface of which is attached to the top surface of the first extension (11), and the top surface of the sole at the heel is attached to the bottom surface of the second extension (13); the rear end of the midsole (20) is provided with a backward-sloping surface (221) that faces the rear end of the sole and extends backward from bottom to top; the backward-sloping surface (221) and the support plate (10) are connected to the support plate (11). A clearance space (30) is formed between the support plates (10); the lower edge of the backward-sloping surface (221) is close to the front end of the sole at the middle position relative to the heel of the sole, and its upper edge is close to the rear end of the sole at the middle position relative to the heel of the sole; the lower edge of the backward-sloping surface (221) is located behind the front edge of the second extension (13) in the front-back direction of the sole; the backward-sloping surface (221) intersects with the first surface perpendicular to the left-right direction of the sole and located at the middle position in the left-right direction of the sole to form a first intersection line, and the angle between the lower part of the first intersection line and the top surface of the first extension (11) is in the range of 15° to 50°; the first intersection line is an arc-shaped curve that bends toward the front end of the sole; the second extension (13) is provided with a supporting sidewall (14) extending upward around its periphery.

2. The sole as described in claim 1, characterized in that, The second extension (13) is provided with a plurality of weight-reducing holes (131) that run through the vertical direction.

3. The sole as described in claim 1, characterized in that, The support plate (10) is a carbon fiber plate, a nylon plate, or a TPU plate.

4. A shoe sole as described in claim 1, characterized in that, It also includes a sole (40) which is attached to the bottom surface of the first extension (11).

5. A type of shoe, characterized in that, It includes an upper and a sole as described in any one of claims 1-4, wherein the upper is attached to the sole.

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