Breathable sole

Abstract

The utility model belongs to the technical field of shoes, and particularly relates to a breathable sole. Comprising an inner sole, a first middle sole, a second middle sole and an outer sole, wherein a plurality of first air holes are formed in the inner sole, a plurality of second air holes are formed in the first middle sole, an elastic convex part is arranged at the position, located at the heel, of the first middle sole, a plurality of air channels are formed in the position, located at the heel, of the second middle sole, and air grooves communicated with the air channels are formed in the position, located at the heel, of the second middle sole. A plurality of third air holes are formed in the shoe heel of the outsole; pressure is applied to the elastic convex part through the heel, so that gas in the containing cavity is extruded, part of the gas is discharged along the ventilation grooves, the ventilation channels, the second ventilation holes and the third ventilation holes, the other part of the gas is discharged along the ventilation grooves, the ventilation channels, the waterproof ventilation film and the third ventilation holes, and the elastic convex part recovers deformation when losing pressure; therefore, air is exchanged in the sole, and breathability of the sole is guaranteed.

Description

Technical Field

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

[0002] Shoes are essential daily necessities in daily life. Early shoes were mainly used to prevent foot injuries. Shoes are mainly divided into uppers and soles. With the progress of society, people have higher and higher demands for the functionality of shoes, so there are more and more types of soles, such as shock-absorbing soles and anti-torsion soles. When users walk and exercise, their feet are prone to sweating, which leads to heat and humidity in the shoes, which in turn causes bacteria to grow in the shoes, produces odors, and makes the feet very uncomfortable. Therefore, there are also breathable soles with breathable effects on the market, which can expel foot sweat and odors in the shoes and improve wearing comfort.

[0003] In the prior art, the common ventilation method of breathable soles is to open a number of ventilation holes on the insole or use an insole made of a breathable material. However, due to the small internal space of the sole and the limited space capacity for accommodating humid and hot gas, the gas in the shoe cannot be discharged in time, and the ventilation effect is poor. Utility Model Content

[0004] The utility model aims to provide a breathable sole in view of the above-mentioned technical problems, wherein pressure is applied to the elastic convex part by the heel, so that the gas in the accommodating cavity is squeezed, and a part of the gas is discharged to the top of the insole along the breathable groove, the breathable channel, the second breathable hole and the third breathable hole in sequence, and the other part of the gas is discharged to the bottom of the outsole along the breathable groove, the breathable channel, the waterproof breathable membrane and the third breathable hole in sequence, and the elastic convex part restores its deformation when losing pressure, thereby realizing gas exchange in the sole, ensuring the breathability of the sole, and improving the wearing comfort.

[0005] In view of this, the utility model provides a breathable sole, comprising an inner sole, a first midsole, a second midsole and an outer sole arranged in sequence from top to bottom;

[0006] Among them, the insole is provided with a plurality of first ventilation holes, the insole is provided with a positioning hole at the heel, the first midsole is provided with a plurality of second ventilation holes, the first midsole is provided with an elastic convex portion passing through the positioning hole at the heel, and a accommodating cavity is provided in the elastic convex portion, the second midsole is provided with a plurality of ventilation channels at the sole, the second midsole is provided with a ventilation groove connected to the plurality of ventilation channels at the heel, the outsole is provided with a plurality of third ventilation holes at the sole, the first ventilation holes, the second ventilation holes, the ventilation channels and the third ventilation holes are connected in sequence, a waterproof and breathable membrane is provided between the second midsole and the outsole, and the waterproof and breathable membrane is located at the sole.

[0007] In the above solution, further, a plurality of elastic protrusions are arranged on the first midsole, and the bottom of the insole abuts against the elastic protrusions.

[0008] In the above solution, further, the elastic protrusion is located above the second air hole, and a through hole connected to the second air hole is provided on the elastic protrusion.

[0009] In the above scheme, further, the elastic protrusions are any one of hemispherical and cylindrical.

[0010] In the above solution, further, the elastic protrusion is hemispherical.

[0011] In the above solution, further, the material of the outsole is EVA.

[0012] The beneficial effects of the utility model are:

[0013] 1. The heel applies pressure to the elastic convex part, so that the gas in the cavity is squeezed, and part of the gas is discharged to the top of the insole along the ventilation groove, the ventilation channel, the second ventilation hole and the third ventilation hole in sequence, and the other part of the gas is discharged to the bottom of the outsole along the ventilation groove, the ventilation channel, the waterproof breathable membrane and the third ventilation hole in sequence. When the elastic convex part loses pressure, it restores its deformation, thereby realizing gas exchange in the sole, ensuring the breathability of the sole, and improving the wearing comfort;

[0014] 2. A plurality of elastic convex particles are arranged on the first midsole, and the plurality of elastic convex particles can improve the shock absorbing effect of the sole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 4 It is a front section structural schematic diagram of the utility model.

[0019] The symbols in the figure are:

[0020] 1. Insole; 2. First midsole; 3. Second midsole; 4. Outsole; 5. First ventilation hole; 6. Positioning hole; 7. Second ventilation hole; 8. Elastic convex part; 9. Accommodating cavity; 10. Ventilation channel; 11. Ventilation groove; 12. Third ventilation hole; 13. Waterproof breathable membrane; 14. Elastic convex particle. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0022] In the description of the present application, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0023] Embodiment 1:

[0024] This embodiment provides a breathable sole, comprising an insole 1, a first midsole 2, a second midsole 3 and an outsole 4 arranged in sequence from top to bottom;

[0025] Among them, the insole 1 is provided with a plurality of first ventilation holes 5, the insole 1 is provided with a positioning hole 6 at the heel, the first midsole 2 is provided with a plurality of second ventilation holes 7, the first midsole 2 is provided with an elastic protrusion 8 passing through the positioning hole 6 at the heel, and a accommodating cavity 9 is provided in the elastic protrusion 8, the second midsole 3 is provided with a plurality of ventilation channels 10 at the sole, the second midsole 3 is provided with a ventilation groove 11 connected to the plurality of ventilation channels 10 at the heel, and the outsole 4 is provided with a plurality of third ventilation holes 12 at the sole, the first ventilation holes 5, the second ventilation holes 7, the ventilation channels 10 and the third ventilation holes 12 are connected in sequence, and a waterproof breathable membrane 13 is provided between the second midsole 3 and the outsole 4, and the waterproof breathable membrane 13 is located at the sole.

[0026] In the present technical solution, the insole 1, the first midsole 2, the second midsole 3, the waterproof breathable membrane 13 and the outsole 4 can be sequentially bonded and connected using an adhesive.

[0027] The first midsole 2 can be made of an elastic material, such as a rubber material. The elastic protrusion 8 and the first midsole 2 can be integrally formed by a compression molding process. The elastic protrusion 8 is an upwardly protruding structure. The elastic protrusion 8 can protrude from the upper surface of the insole 1 to an appropriate amount or be flush with the upper surface of the insole 1.

[0028] The second midsole 3 can be made of rubber material or TPR material.

[0029] The plurality of air permeable channels 10 are connected to each other, and the plurality of air permeable channels 10 are connected to the air permeable groove 11 through the connecting groove.

[0030] The waterproof breathable membrane 13 can be a conventional material with waterproof and breathable effects. On a road with accumulated water, the waterproof breathable membrane 13 is used to prevent water from entering the shoe through the third air holes 12 of the outsole 4 and soaking the shoe, and can also ensure that gas is discharged or enters the sole.

[0031] When a user wears the shoes having the sole of the present embodiment and walks or exercises, at the moment the foot lands on the ground, the heel applies pressure to the elastic protrusion 8, and the elastic protrusion 8 is squeezed and deformed, so that the gas in the accommodating cavity 9 of the elastic protrusion 8 is squeezed, and a part of the gas is discharged to the top of the insole 1 along the breathable groove 11, the breathable channel 10, the second breathable hole 7 and the third breathable hole 12 in sequence, and the gas is discharged carrying the water vapor and odor in the shoe, and the other part of the gas is discharged to the bottom of the outsole 4 from the third breathable hole 12 in sequence along the breathable groove 11, the breathable channel 10, the waterproof breathable membrane 13.

[0032] When the foot is lifted up, the elastic protrusion 8 restores its deformation, and the gas passes through the first air hole 5, the second air hole 7, the air channel 10 and the air groove 11 in sequence to enter the accommodating cavity 9 of the elastic protrusion 8, and the gas enters the accommodating cavity 9 of the elastic protrusion 8 from the third air hole 12, the waterproof air-permeable membrane 13, the air channel 10 and the air groove 11 in sequence, thereby realizing gas exchange in the sole, ensuring the ventilation of the sole, discharging the odor of the sole and foot sweat, and improving the wearing comfort.

[0033] Among them, the third air hole 12 is set on the outsole 4, so that the first air hole 5, the second air hole 7, the air channel 10 and the third air hole 12 are connected in sequence, and the air can also pass through the first air hole 5, the second air hole 7, the air channel 10 and the third air hole 12 in sequence. External gas can enter the shoe from the outsole 4, thereby improving the ventilation effect of the sole, realizing the circulation exchange of air inside and outside the shoe, and further improving the wearing comfort.

[0034] Furthermore, the material of the outer sole 4 is EVA.

[0035] In the present technical solution, the outsole 4 can be made of EVA material prepared by a foaming process. The foamed EVA material has the characteristic of small mass, which helps to reduce the overall weight of the sole, thereby improving the wearing comfort; the foamed EVA material also has good softness and rubber-like elasticity, and has a good shock-absorbing effect.

[0036] The material of the outer sole 4 can also be rubber, such as natural rubber and styrene-butadiene rubber, which has a wear-resistant effect.

[0037] Embodiment 2:

[0038] This embodiment provides a breathable sole, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0039] A plurality of elastic protrusions 14 are disposed on the first midsole 2 , and the bottom of the insole 1 abuts against the elastic protrusions 14 .

[0040] In the present technical solution, the plurality of elastic protrusions 14 and the first midsole 2 can be integrally formed by a compression molding process, the plurality of elastic protrusions 14 are arranged on the upper surface of the first midsole 2 , and the bottom of the insole 1 abuts against the elastic protrusions 14 .

[0041] During walking and exercise, when the foot touches the ground, the plurality of elastic protrusions 14 are squeezed by gravity to produce elastic deformation, and the plurality of elastic protrusions 14 absorb the impact force. When the foot is lifted, the plurality of elastic protrusions 14 restore the deformation. Therefore, the plurality of elastic protrusions 14 can improve the shock-absorbing effect of the sole and further improve the wearing comfort.

[0042] Furthermore, the elastic convex particle 14 is located above the second air hole 7 , and a through hole connected to the second air hole 7 is provided on the elastic convex particle 14 .

[0043] In this technical solution, the elastic protrusion 14 is located above the second air hole 7, so that the first air hole 5, the through hole and the second air hole 7 are connected, ensuring that all the gas is discharged and enters the containing cavity 9, avoiding the gas from being retained in the cavity between the inner bottom 1 and the first midsole 2.

[0044] Furthermore, the elastic protrusions 14 are in any one of a hemispherical shape and a cylindrical shape.

[0045] In the present technical solution, the hemispherical structure can evenly disperse the pressure on the elastic protrusions 14, and the cylindrical structure has a better supporting effect.

[0046] Embodiment 4:

[0047] This embodiment provides a breathable sole, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0048] The elastic protrusion 8 is hemispherical.

[0049] In the present technical solution, the elastic protrusion 8 is hemispherical, and its arc surface can disperse the pressure and increase the service life.

[0050] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A breathable sole, characterized in that: It comprises an inner sole (1), a first midsole (2), a second midsole (3) and an outer sole (4) which are arranged in sequence from top to bottom; The insole (1) is provided with a plurality of first ventilation holes (5), the insole (1) is provided with a positioning hole (6) at the heel, the first midsole (2) is provided with a plurality of second ventilation holes (7), the first midsole (2) is provided with an elastic protrusion (8) passing through the positioning hole (6) at the heel, and a receiving cavity (9) is provided in the elastic protrusion (8), the second midsole (3) is provided with a plurality of ventilation channels (10) at the sole, the second midsole (3) is provided with a ventilation groove (11) connected to the plurality of ventilation channels (10) at the heel, the outer sole (4) is provided with a plurality of third ventilation holes (12) at the sole, the first ventilation holes (5), the second ventilation holes (7), the ventilation channels (10) and the third ventilation holes (12) are connected in sequence, and a waterproof breathable membrane (13) is provided between the second midsole (3) and the outer sole (4), and the waterproof breathable membrane (13) is located at the sole.

2. A breathable sole according to claim 1, characterized in that: A plurality of elastic protrusions (14) are arranged on the first midsole (2), and the bottom of the inner sole (1) abuts against the elastic protrusions (14).

3. A breathable sole according to claim 2, characterized in that: The elastic convex particle (14) is located above the second air permeable hole (7), and a through hole connected to the second air permeable hole (7) is provided on the elastic convex particle (14).

4. A breathable sole according to claim 2, characterized in that: The elastic protrusions (14) are in any one of a hemispherical shape and a cylindrical shape.

5. The breathable sole according to claim 1, characterized in that: The elastic protrusion (8) is hemispherical.

6. A breathable sole according to claim 1, characterized in that: The material of the outer sole (4) is EVA.

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