Breathable waterproof sole

Abstract

The utility model relates to a breathable waterproof sole, which comprises a midsole and an outsole compounded at the lower end of the midsole, a plurality of cavities are arranged in the midsole, mutually communicated air guide channels are arranged among the cavities, upper breathable holes are arranged on the upper walls of the cavities, and a plurality of waterproof breathable channels are arranged between the midsole and the outsole. The waterproof breathable channel is spirally contracted from outside to inside, and the inner end of the waterproof breathable channel is communicated with one of the cavities. The spiral dimpled grains are arranged on the lower surface of the insole, the spiral dimpled grains are formed by rotating and rolling from outside to inside, the curvature radiuses of the grooves of the waterproof breathable channels from outside to inside become smaller and smaller, and the tensile force of the groove walls of the grooves of the waterproof breathable channels from outside to inside becomes larger and larger; when gas or water flow rotates inwards from outside to inside along the waterproof ventilation channel, rotation resistance borne by the gas or water flow is larger and larger, the one-way airflow channel of a Tesla valve structure is adopted, one-way flowing of airflow is achieved according to the principle that airflow split flow counteracts one another, and the waterproof ventilation effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the sole field, especially point to a kind of ventilative waterproof sole. BACKGROUND

[0002] Shoes are common wearing supplies in people's life, usually used to wrap footpalm, protect it from being pricked by ground sharp objects. Feet will sweat during walking, and the generated water vapor cannot be discharged, so the shoes will become humid and hot, creating conditions for bacteria breeding. Especially between the soles of feet and shoes, a large amount of foot sweat accumulates, and for the shoe soles made of resin material, the sweat evaporation channel is blocked, and the problem is more prominent.

[0003] A kind of shock-absorbing shoe sole is disclosed in the utility model patent with patent publication number CN118986031A, comprising a midsole, the midsole is composed of an upper layer and a lower layer, a support sheet is arranged between the upper layer and the lower layer, a plurality of grooves are arranged on the composite surface of the upper layer and the lower layer, the grooves of the upper layer and the grooves of the lower layer correspond to form cavities, and air holes corresponding to the cavities are arranged. The shoe sole blows air through the cavities to promote air flow and improve the air permeability of the shoes, but still has some shortcomings. When the shoe sole is stepped on a low-lying water area, sewage is easily sucked into the shoes from the air holes, causing the shoes to be wet, and affecting the wearing comfort of the shoes. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of ventilative waterproof sole to overcome the problem that existing shoe sole is not waterproof and is easy to enter water, leading to poor comfort.

[0005] The utility model adopts the following technical solutions:

[0006] A kind of ventilative waterproof sole, comprising a midsole and a big bottom combined with the lower end of the midsole, a plurality of cavities are arranged in the midsole, air guide channels are arranged between the cavities, the upper wall of the cavity is provided with an upper air hole, a plurality of waterproof air permeation channels are arranged between the midsole and the big bottom, the waterproof air permeation channel is spirally contracted from outside to inside and forms a spiral shape, and the inner end of the waterproof air permeation channel is connected to one of the cavities.

[0007] Further, the waterproof air permeation channel is a Tesla valve structure, and the waterproof air permeation channel has a high resistance direction from the outer end to the inner end.

[0008] Further, the midsole is integrally formed by sequentially stacking a midsole upper layer, a support plate and a midsole lower layer, the bottom surface of the midsole upper layer and the top surface of the midsole lower layer are respectively provided with a plurality of grooves aligned with each other, the grooves of the midsole upper layer and the grooves of the midsole lower layer are connected to form the cavities, and the support plate is provided with through holes corresponding to the cavities.

[0009] Further, the upper surface of the midsole upper layer is provided with longitudinal and transverse intersecting flow guide grooves, and the air holes are connected to the flow guide grooves.

[0010] Further, the waterproof and breathable passage has an isosceles trapezoidal cross section, a slot width of 2-5 mm, and a slot depth of 3-6 mm.

[0011] Further, the gas permeable hole has a diameter of 2.5-4.0 mm.

[0012] Further, the support plate is a TPU panel.

[0013] Further, the lower surface of the outsole is provided with anti-skid patterns.

[0014] As can be seen from the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:

[0015] 1. The lower surface of the midsole is provided with spiral grooves, the spiral grooves are formed by turning and winding from outside to inside, the curvature radius of the waterproof and breathable passage groove from outside to inside is smaller and smaller, the tension of the waterproof and breathable passage groove wall from outside to inside is larger and larger, when the gas or water flow rotates from outside to inside along the waterproof and breathable passage, the rotation resistance will be larger and larger, and the mass of the water flow is larger than that of the gas, the interaction force between the water flow and the waterproof and breathable passage groove wall is much larger than that between the gas and the waterproof and breathable passage groove wall, therefore, the water flow will stop at the outer layer of the waterproof and breathable passage, and the gas can rotate to the inner layer of the waterproof and breathable passage and then enter the shoe through the gas permeable hole.

[0016] 2. The waterproof and breathable passage is a one-way exhaust passage with a Tesla valve structure, one end of the one-way exhaust passage is connected to a cavity position, the other end is provided with an air outlet hole penetrating the midsole edge, and the one-way exhaust passage is in a high resistance direction from the air outlet hole to the air chamber. The one-way airflow passage with the Tesla valve structure realizes one-way airflow by using the principle of airflow shunting and mutual offset, and has good waterproof and breathable effects.

[0017] 3. The midsole is provided with a plurality of cavities, the support plate is provided with a through hole for buffering airflow, and the support plate makes the air in the upper layer of the cavity and the lower layer of the cavity flow step by step, thereby playing a buffering and damping effect and achieving good walking comfort. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a top view structural schematic diagram of the shoe sole of the utility model.

[0019] Figure 2 It is a split structure schematic diagram of the midsole of the utility model.

[0020] Figure 3 It is a bottom view structural schematic diagram of the lower layer of the midsole of the utility model.

[0021] Figure 4The bottom view structural schematic diagram of the big sole.

[0022] Figure 5 The sectional structure schematic diagram of the shoe sole along A-A direction of the embodiment. Figure 1 DETAILED DESCRIPTION

[0023] The specific embodiment of the utility model will be explained below with reference to the drawings.

[0024] Embodiment 1

[0025] With reference to Figures 1-5 , a waterproof and breathable shoe sole, comprising a midsole 1 and a big sole 2 combined with the lower end of the midsole 1, a plurality of cavities 10 are arranged in the midsole 1, and a gas guide channel 131 is arranged between the cavities 10 and is in communication with each other, and the upper wall of the cavity 10 is provided with an upper breathable hole 110, five waterproof and breathable channels 14 are arranged between the above-mentioned midsole 1 and the above-mentioned big sole 2, the waterproof and breathable channel 14 is spirally contracted from outside to inside and is in a spiral shape, the inner end of the waterproof and breathable channel 14 is communicated with one of the above-mentioned cavities 10, that is, the bottom wall of the cavity 10 is provided with a lower breathable hole 130 which is communicated with the inner end of the waterproof and breathable channel 14.

[0026] With reference to Figure 3 , Figure 5 , the waterproof and breathable channel 14 is a one-way exhaust channel with a Tesla valve structure, and the waterproof and breathable channel 14 is in a high-resistance direction from the outer end to the inner end. One end of the one-way exhaust channel is connected to the position of the cavity 10, and the other end is provided with an air outlet hole penetrating the edge of the midsole 1, and the one-way exhaust channel is in a high-resistance direction from the air outlet hole to the air chamber. The one-way airflow channel with the Tesla valve structure realizes one-way airflow by using the principle of airflow shunting and mutual offset, and has good waterproof and breathable effect.

[0027] With reference to Figure 2 , Figure 5 , the above-mentioned midsole 1 is integrally formed by stacking the midsole upper layer 11, the supporting plate 12 and the midsole lower layer 130 in sequence, the bottom surface of the midsole upper layer 11 and the top surface of the midsole lower layer 130 are respectively provided with a plurality of grooves 101 which are aligned with each other, the grooves 101 of the midsole upper layer 11 and the grooves 101 of the midsole lower layer 130 are in butt joint to form the above-mentioned cavity 10, and the supporting plate 12 is provided with through holes 120 corresponding to the cavities 10 respectively.

[0028] The upper surface of the above-mentioned midsole upper layer 11 is provided with longitudinal and transverse intersecting flow guide grooves 111, and the breathable hole of the above-mentioned midsole upper layer 11 is communicated with the flow guide grooves 111. The upper breathable hole 110 is located at the groove bottom of the flow guide groove 111.

[0029] The cross section of the above-mentioned waterproof and breathable channel 14 is in the shape of an isosceles trapezoid, the slot width is 2-5mm, and the slot depth is 3-6mm. Preferably, the slot width is 5mm, and the slot depth is 6mm. ​

[0030] The air permeable hole has a diameter of 2.5-4.0 mm, preferably 4.0 mm.

[0031] The support plate 12 is a TPU panel.

[0032] The lower surface of the outsole 2 is provided with anti-skid patterns 21.

[0033] Example 2:

[0034] With reference to Figures 1-5 A waterproof and air permeable sole includes a midsole 1 and an outsole 2 combined with the lower end of the midsole 1. The midsole 1 is provided with a plurality of cavities 10, and the cavities 10 are provided with air guide channels 131 connected with each other. The upper wall of the cavity 10 is provided with an air permeable hole 110. Five waterproof and air permeable channels 14 are arranged between the midsole 1 and the outsole 2, and the waterproof and air permeable channels 14 are spirally contracted from outside to inside and are connected with one of the cavities 10 at the inner end.

[0035] With reference to Figure 3 , Figure 5 The waterproof and air permeable channel 14 is a one-way air exhaust channel with a Tesla valve structure, and the waterproof and air permeable channel 14 is in a high-resistance direction from the outer end to the inner end. One end of the one-way air exhaust channel is connected to the cavity 10, and the other end is provided with an air outlet hole penetrating the edge of the midsole 1. The one-way air exhaust channel is in a high-resistance direction from the air outlet hole to the air chamber. The one-way air flow channel with the Tesla valve structure realizes one-way air flow by using the principle of air flow diversion offsetting each other, and has good waterproof and air permeable effect.

[0036] With reference to Figure 2 , Figure 5 The midsole 1 is integrally formed by sequentially stacking a midsole upper layer 11, a support plate 12 and a midsole lower layer 130. The bottom surface of the midsole upper layer 11 and the top surface of the midsole lower layer 130 are respectively provided with a plurality of recesses 101 aligned with each other. The recesses 101 of the midsole upper layer 11 and the recesses 101 of the midsole lower layer 130 are in butt joint to form the cavities 10. The support plate 12 is provided with through holes 120 corresponding to the cavities 10.

[0037] The upper surface of the midsole upper layer 11 is provided with longitudinal and transverse intersecting flow guide grooves 111. The air permeable hole of the midsole upper layer 11 is connected with the flow guide grooves 111.

[0038] The cross section of the waterproof and air permeable channel 14 is isosceles trapezoidal, the slot width is 2-5 mm, and the slot depth is 3-6 mm. Preferably, the slot width is 2 mm, and the slot depth is 3 mm.

[0039] The air permeable hole has a diameter of 2.5-4.0 mm, preferably 4.0 mm.

[0040] The support plate 12 is a TPU panel.

[0041] The lower surface of the outsole 2 is provided with anti-skid patterns 21.

[0042] The above is only a specific embodiment of the present application, but the design concept of the present application is not limited thereto, and any non-substantial modification of the present application using the concept shall be deemed as an infringement of the protection scope of the present application.

Claims

1. A waterproof and breathable shoe sole, comprising a midsole and a large sole combined with the lower end of the midsole, a plurality of cavities are arranged in the midsole, and a gas guide channel is arranged between the cavities and is in communication with each other, and an upper breathable hole is arranged on the upper wall of the cavity, characterized in that: A plurality of waterproof and breathable channels are arranged between the midsole and the outsole, the waterproof and breathable channels are helically contracted from outside to inside, and the inner end of the waterproof and breathable channel is communicated with one of the cavities.

2. A waterproof, vapor-permeable shoe sole according to claim 1, characterized in that: The waterproof and breathable channel is a Tesla valve structure, and the waterproof and breathable channel is high-resistance from the outer end to the inner end.

3. A waterproof, vapor-permeable shoe sole according to claim 1, characterized in that: The midsole is integrally formed by sequentially stacking a midsole upper layer, a support plate and a midsole lower layer, the bottom surface of the midsole upper layer and the top surface of the midsole lower layer are respectively provided with a plurality of mutually aligned grooves, the grooves of the midsole upper layer and the grooves of the midsole lower layer are butted to form the cavities, and the support plate is provided with through holes corresponding to the cavities.

4. A vapor-permeable, waterproof shoe sole as claimed in claim 3, characterized in that: The upper surface of the midsole upper layer is provided with longitudinal and transverse intersecting flow guide grooves, and the air holes are communicated with the flow guide grooves.

5. A waterproof, vapor-permeable shoe sole according to claim 1, characterized in that: The cross section of the waterproof and breathable channel is isosceles trapezoidal, the slot width is 2-5mm, and the slot depth is 3-6mm.

6. A waterproof, vapor-permeable shoe sole according to claim 1, characterized in that: The air hole diameter is 2.5-4.0mm.

7. A waterproof, vapor-permeable shoe sole according to claim 3, characterized in that: The support plate is a TPU panel.

8. A waterproof, breathable shoe sole according to claim 1, wherein: The lower surface of the outsole is provided with anti-skid patterns.

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