Shoe and nitrogen foaming vamp

Abstract

The utility model belongs to the technical field of light-weight shoes, and particularly relates to a shoe and a nitrogen foaming vamp, which comprise a sole and a vamp, two sides of the sole respectively extend upwards to be provided with a first reinforcing piece, the inner side of each first reinforcing piece is fixedly connected with the vamp, at least one first hollow opening is arranged on the pair of first reinforcing pieces, and a second hollow opening is arranged on the pair of first reinforcing pieces. A first hollow opening is formed in the upper, the edge of the first hollow opening is fixedly connected with the upper, the rear end of the sole extends upwards to form a second reinforcing piece, the inner side of the second reinforcing piece is fixedly connected with the upper, and at least one second hollow opening is formed in the second reinforcing piece. The pair of first reinforcing pieces are connected and fixed to the two sides of the vamp, so that outward supporting force is provided for the two sides of the vamp, the second reinforcing pieces are connected and fixed to the rear end of the vamp, so that outward supporting force is provided for the rear end of the inclined face, and the inward pressing deformation area of the vamp is reduced through the three outward supporting force; and the wearing comfort can be improved.

Description

Technical Field

[0001] This utility model belongs to the field of lightweight footwear technology, and particularly relates to shoes and nitrogen-foamed shoe uppers. Background Technology

[0002] Shoes are a type of clothing that serves both functional and aesthetic purposes. Current technology improves comfort by making the upper thinner and lighter, but this design has the following drawbacks: during exercise, external wind pressure acts on the lightweight upper, causing it to press inwards and conform to the wearer's foot, thus affecting comfort. Utility Model Content

[0003] The first objective of this invention is to provide a shoe that addresses the shortcomings of the prior art.

[0004] To achieve the above objectives, this utility model provides a shoe including a sole and an upper. First reinforcing pieces are respectively provided on both sides of the sole, with the inner side of each first reinforcing piece connected and fixed to the upper. At least one first hollow opening is provided on each pair of first reinforcing pieces, and the edge of the first hollow opening is connected and fixed to the upper. A second reinforcing piece is provided on the rear end of the sole, with the inner side of the second reinforcing piece connected and fixed to the upper. At least one second hollow opening is provided on the second reinforcing piece, and the edge of the second hollow opening is connected and fixed to the upper.

[0005] Optionally, the first reinforcing plate and the second reinforcing plate are integrally formed with the sole.

[0006] Optionally, the inner edge of the shoe upper is connected to an eyelet piece, and a shoelace is threaded through the eyelet piece. The first reinforcing piece is triangular in shape, and its apex extends to the bottom of the eyelet piece and leaves a first ventilation area with the inner edge of the shoe upper.

[0007] Optionally, the two top edges of the first reinforcing plate are composed of several irregular arcs.

[0008] Optionally, there are three first cutouts, one of which is located at the top corner of the first reinforcing piece, and the other two are located at the junction of the upper and the sole.

[0009] Optionally, the upper forms a toe box at the front end of the sole for wrapping the toes, and a third reinforcing piece extends upward from the front end of the sole, with the inner side of the third reinforcing piece being fixedly connected to the upper.

[0010] Optionally, the toe of the shoe is provided with an inwardly extending tongue, which can be folded upward and stacked on the inside of the eyelet.

[0011] Optionally, the upper forms a heel portion at the rear end of the sole to wrap around the heel, and the second reinforcing piece is U-shaped, capable of surrounding the heel portion and having a second ventilation area at the inner edge of the upper.

[0012] The second objective of this invention is to provide a nitrogen-foamed shoe upper, which is made using supercritical nitrogen foaming technology.

[0013] The above-mentioned technical solutions of one or more of the shoes provided in this utility model embodiment have at least one of the following technical effects: by using a pair of first reinforcing plates to connect and fix to both sides of the shoe upper, outward support is provided to both sides of the shoe upper; by using a second reinforcing plate to connect and fix to the rear end of the shoe upper, outward support is provided to the rear end of the sloping surface; by using three outward support forces, the area of ​​the shoe upper that is pressed and deformed inward is reduced, which is conducive to improving wearing comfort; and by reducing the coverage area of ​​the first reinforcing plate on the surface of the shoe upper through the first hollow opening and reducing the coverage area of ​​the second reinforcing plate on the surface of the shoe upper through the second hollow opening, a certain degree of breathability is retained. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 A schematic diagram of the shoe structure provided for an embodiment of this utility model.

[0016] The following are the labeling elements in the figure:

[0017] 1—Sole 2—Upper 11—First Reinforcing Plate

[0018] 111—First hollow opening; 12—Second reinforcing plate; 121—Second hollow opening

[0019] 13—Third reinforcing piece; 21—Glass piece; 22—Shoelace

[0020] 23—First ventilation zone; 24—Toe box; 241—Tongue

[0021] 25—Heel section; 26—Second ventilation zone. Detailed Implementation

[0022] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0023] In the description of the embodiments of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0025] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0026] In one embodiment of this utility model, such as Figure 1As shown, a shoe is provided, including a sole 1 and an upper 2. The sole 1 has first reinforcing plates 11 extending upward from both sides. The inner side of the first reinforcing plates 11 is connected and fixed to the upper 2. At least one first hollow opening 111 is provided on each pair of first reinforcing plates 11. The edge of the first hollow opening 111 is connected and fixed to the upper 2. The rear end of the sole 1 has a second reinforcing plate 12 extending upward. The inner side of the second reinforcing plate 12 is connected and fixed to the upper 2. At least one second hollow opening 121 is provided on the second reinforcing plate 12. The edge of the second hollow opening 121 is connected and fixed to the upper 2. A pair of first reinforcing plates 11 are connected and fixed to both sides of the upper 2, providing outward support to both sides of the upper 2. A second reinforcing plate 12 is connected and fixed to the rear end of the upper 2, providing outward support to the rear end of the sloping surface. These three outward supporting forces reduce the area of ​​inward compression deformation of the upper 2, improving wearing comfort. Furthermore, the first perforation 111 reduces the coverage area of ​​the first reinforcing plate 11 on the outer surface of the upper 2, and the second perforation 121 reduces the coverage area of ​​the second reinforcing plate 12 on the outer surface of the upper 2, thus maintaining a certain degree of breathability. Specifically, the first reinforcing plates 11 and 12 are connected and fixed to the outer surface of the upper 2 by heat pressing.

[0027] In one embodiment of this utility model, such as Figure 1 As shown, the first reinforcing piece 11 and the second reinforcing piece 12 are integrally formed with the sole 1. Specifically, the sole 1 includes an outsole, a midsole, and an insole. The first reinforcing piece 11 and the second reinforcing piece 12 are integrally formed with the outsole using foamed rubber. The bottom side of the midsole is connected to the outsole, and the top side is connected to the insole. The outer edge of the upper 2 is connected and fixed to the top edge of the outsole by a stitching process.

[0028] In one embodiment of this utility model, such as Figure 1 As shown, an eyelet 21 is connected to the inner edge of the shoe upper 2, and a shoelace 22 is threaded through the eyelet 21. The first reinforcing piece 11 is triangular in shape, with its apex extending below the eyelet 21 and leaving a first ventilation area 23 between it and the inner edge of the shoe upper 2. The two top edges of the first reinforcing piece 11 are composed of several irregular arcs. The shape design of the first reinforcing piece 11 enhances the product's aesthetics.

[0029] In one embodiment of this utility model, such as Figure 1 As shown, there are three first perforations 111. One of the first perforations 111 is located at the top corner of the first reinforcing piece 11, and the other two are located at the junction of the upper 2 and the sole 1. This helps to improve the breathability of the shoe.

[0030] In one embodiment of this utility model, such as Figure 1 As shown, the upper 2 forms a toe box 24 at the front end of the sole 1 to wrap around the toes. A third reinforcing piece 13 extends upward from the front end of the sole 1, and the inner side of the third reinforcing piece 13 is connected and fixed to the upper 2. Specifically, the third reinforcing piece 13 is connected and fixed to the toe box 24 of the upper 2 by heat pressing.

[0031] In one embodiment of this utility model, such as Figure 1 As shown, the toe of the shoe 24 extends inwardly with a tongue 241, which can be folded upward and stacked on the inside of the eyelet piece 21.

[0032] In one embodiment of this utility model, such as Figure 1 As shown, the upper 2 forms a heel portion 25 at the rear end of the sole 1 to wrap around the heel. The second reinforcing piece 12 is U-shaped and can surround the heel portion 25, leaving a second ventilation area 26 with the inner edge of the upper 2. This helps to improve the breathability of the shoe.

[0033] This embodiment also provides a nitrogen-foamed shoe upper, which is made by supercritical nitrogen foaming technology. Specifically, nitrogen is converted into a supercritical fluid state (between gas and liquid) under high temperature and pressure, and injected into the substrate of the shoe upper 2 material (such as TPU, EVA, PEBA, etc.). By rapidly depressurizing, a uniform micro-air bladder structure is formed inside the material, thereby forming a popcorn pattern on the surface of the shoe upper 2.

[0034] 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 and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A shoe characterized by: The shoe comprises a sole and an upper, two first reinforcing pieces are arranged on the two sides of the sole respectively, the inner side of the first reinforcing piece is connected with the upper, at least one first hollow opening is arranged on the first reinforcing piece, the edge of the first hollow opening is connected with the upper, a second reinforcing piece is arranged on the rear end of the sole, the inner side of the second reinforcing piece is connected with the upper, at least one second hollow opening is arranged on the second reinforcing piece, the edge of the second hollow opening is connected with the upper.

2. The shoe according to claim 1, characterized in that: The first reinforcing piece and the second reinforcing piece are integrally formed with the sole respectively.

3. The shoe of claim 1, wherein: The inner edge of the upper is connected with an eyelet piece, a shoelace is arranged on the eyelet piece, the first reinforcing piece is triangular, and the top corner of the first reinforcing piece extends to the lower side of the eyelet piece and leaves a first air permeation area with the inner edge of the upper.

4. The shoe according to claim 3, characterized in that: The two top edges of the first reinforcing piece are composed of irregular arcs.

5. The shoe according to claim 3, wherein: There are three first hollow openings, one of which is arranged at the top corner of the first reinforcing piece, and the other two are arranged at the joint of the upper and the sole.

6. The shoe of claim 3, wherein: The upper forms a toe part for wrapping the toes at the front end of the sole, a third reinforcing piece is arranged on the front end of the sole, and the inner side of the third reinforcing piece is connected with the upper.

7. The shoe of claim 6, wherein: The toe part is connected with a tongue, the tongue can be folded upward and stacked on the inner side of the eyelet piece.

8. The shoe of claim 1, wherein: The upper forms a heel part for wrapping the heel at the rear end of the sole, the second reinforcing piece is U-shaped, can surround the heel part, and leaves a second air permeation area with the inner edge of the upper.

9. A nitrogen-foamed shoe upper, characterized by: The upper of the shoe is prepared by a supercritical nitrogen foaming technology.

Images