Waterproof breathable sole

By adopting the structure of airbag and one-way valve plate in the breathable sole, combined with the cooperation of the support rod and the positioning pin plate, the problem of rainwater invasion into the shoes is solved, and the effect of preventing water from entering and keeping the shoes dry is achieved, improving comfort and health of the soles.

CN222532816UActive Publication Date: 2025-02-28WENZHOU HUANGXING SHOE MATERIAL CO LTD
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Patent Information

Application Number
CN202420862799.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-24
Publication Date
2025-02-28
Estimated Expiration
2034-04-24

AI Technical Summary

Technical Problem

Existing breathable soles are prone to moisture inside the shoes due to rainy days due to the invasion of the exhaust holes by rain, which affects comfort and promotes bacterial growth and affects the health of the soles of the feet.

Method used

A breathable sole that is water-proof and resistant to inlet is designed, adopting an airbag structure and a one-way valve plate. The airbag is compressed and emptied when pressed, and the airbag inhale when lifting the foot. Through the cooperation of the support rod and the positioning pin plate, rainwater is prevented from entering and ensuring that the one-way valve plate is completely closed.

Benefits of technology

Effectively prevent rainwater from entering the shoes, keep the shoes dry, reduce bacterial growth, protect the health of the soles of the feet, and keep the air flow in the shoes to improve comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a waterproof breathable shoe sole which comprises a shoe sole body, an air bag is arranged in the shoe sole body and provided with an air inlet communicated to the top face of the shoe sole body, an air outlet is formed in the bottom of the air bag, a movable groove extending to the position below the air bag is formed in the rear face of the shoe sole body, and the air outlet is communicated with the movable groove. The bottom end of the air outlet is connected with a one-way valve plate, a supporting rod is connected into the movable groove through a shaft, the position of the supporting rod corresponds to the air outlet, the end of the supporting rod extends out of the movable groove and is connected with a movable positioning pin plate, and a plurality of positioning inserting grooves are further formed in the edge of a groove opening of the movable groove. The position of the positioning slot is matched with that of the positioning pin plate; the supporting rod in shaft connection with the interior of the movable groove is lifted to abut against the one-way valve plate, so that the one-way valve plate cannot be opened towards the outer side, the air bag is prevented from bulging, rainwater is prevented from being sucked when the one-way valve plate is not completely closed, discomfort caused by the rainwater flowing into the shoe is prevented, and bacterium breeding caused by humidity in the shoe is reduced.
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Description

Technical Field

[0001] The invention relates to the technical field of breathable soles, and in particular to a breathable sole that prevents water ingress. Background Art

[0002] Common sole materials include leather, rubber, plastic and other materials, which can include all the materials that make up the bottom, such as the outsole, midsole and heel. In order to ensure the breathability of the shoes, a breathable mesh surface is set on the upper, combined with the elastic insole inside the shoe, and the air flow in the shoe is encouraged by stepping on it, and the air is discharged from the exhaust holes on the sole, so that the air in the shoe continues to flow, keeping the shoe cool and dry, and improving the comfort of the sole. However, on rainy days, water will accumulate on the ground, and rainwater can easily enter the shoe through the exhaust holes, resulting in a decrease in comfort, and will aggravate bacterial growth, affecting the health of the sole. Therefore, designing a water-proof and breathable sole that can cooperate with the air circulation on the upper and maintain the comfort of the shoe has become a technical problem that needs to be solved urgently. Summary of the invention

[0003] In order to solve the above problems, the present invention provides a water-proof and breathable sole.

[0004] The technical solution of the utility model is a water-proof and breathable sole, comprising a sole main body, an air bag is provided inside the sole main body, the air bag is provided with an air inlet connected to the top surface of the sole main body, an air outlet is provided at the bottom of the air bag, a movable groove extending to the bottom of the air bag is provided at the rear of the sole main body, the air outlet is communicated with the movable groove, a one-way valve plate is connected to the bottom end of the air outlet, a support rod is axially connected in the movable groove, the position of the support rod corresponds to the air outlet, the end of the support rod extends out of the movable groove and is connected to a movable positioning pin plate, a plurality of positioning slots are also provided at the slot edge of the movable groove, and the positions of the positioning slots match the positioning pin plate.

[0005] After adopting the above structure, when the shoe is stepped on, the air inlet is stepped on by the sole of the foot, the air bag is compressed to discharge the internal air, and the air rushes into the air outlet to push the one-way valve plate to open outward, and the air is discharged from the movable groove; when the foot is lifted, the air bag swells and inhales air, and the one-way valve plate is quickly reset under the drive of the airflow, and the air in the shoe is sucked in from the air inlet, and the air flow in the shoe is intensified with the breathable upper to keep the shoe dry; by lifting the support rod whose axis is connected to the movable groove, the one-way valve plate is pressed, the positioning pin plate is moved and inserted into the positioning slot, the support rod is prevented from falling back, and the one-way valve plate cannot be opened to the outside, so as to avoid the air bag swells and the one-way valve plate is not completely closed to suck in rainwater, prevent rainwater from flowing into the shoe to cause discomfort, reduce the breeding of bacteria in the shoe due to moisture, and protect the health of the sole of the foot.

[0006] As a further improvement of the utility model, the support rod is provided with a translation groove along the length direction, the positioning pin plate passes through the translation groove, and both ends of the positioning pin plate are provided with side baffles that fit with the side surfaces of the support rod.

[0007] After adopting the above structure, the positioning pin plate passes through the translation slot, and the side baffle plate fits the support rod, guiding the positioning pin plate to move along the translation slot on the support rod, thereby preventing the positioning pin plate from falling off or being lost, and moving more smoothly when inserted into the positioning slot.

[0008] As a further improvement of the utility model, the groove wall of the translation groove is provided with an integrally formed anti-slip layer.

[0009] After adopting the above structure, an integrally formed anti-skid layer is provided on the groove wall of the translation groove to prevent the positioning pin plate inserted into the positioning slot from sliding out, thereby ensuring that the support rod can resist the one-way valve plate.

[0010] As a further improvement of the present invention, the edges of the positioning pin plate are chamfered to form rounded corners.

[0011] After adopting the above structure, the edge of the positioning pin plate is chamfered to form a rounded corner, which reduces the end surface area of ​​the positioning pin plate and makes it easier for the end to enter the positioning slot.

[0012] As a further improvement of the utility model, the one-way valve plate is an elastic plate covering the air outlet, and the top surface of the support rod is covered with a protective cushion.

[0013] After adopting the above structure, the protective cushion on the top surface of the support rod fits the elastic plate, and the elastic plate can be sunken into the protective cushion to form another layer of sealing structure outside the elastic plate, thereby further improving the waterproof performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 Shown is a schematic diagram of the cross-sectional structure of the utility model.

[0015] Figure 2 Shown is a schematic diagram of the movable slot structure.

[0016] Figure 3 Shown is a schematic diagram of the support rod structure of part A.

[0017] 1-shoe sole body, 2-air bag, 3-air inlet, 4-air outlet, 5-movable groove, 6-one-way valve plate, 7-support rod, 8-positioning pin plate, 9-positioning slot, 10-translation slot, 11-side baffle. DETAILED DESCRIPTION

[0018] like Figure 1-Figure 3A water-proof and breathable sole is shown, comprising a sole body 1, an air bag 2 is provided inside the sole body 1, the air bag 2 is provided with an air inlet 3 connected to the top surface of the sole body 1, an air outlet 4 is provided at the bottom of the air bag 2, a movable groove 5 extending to the bottom of the air bag 2 is provided at the back of the sole body 1, the air outlet 4 is communicated with the movable groove 5, a one-way valve plate 6 is connected to the bottom end of the air outlet 4, a support rod 7 is axially connected in the movable groove 5, the position of the support rod 7 corresponds to the air outlet 4, the end of the support rod 7 extends out of the movable groove 5 and is connected to a movable positioning pin plate 8, a plurality of positioning slots 9 are also provided at the slot edge of the movable groove 5, and the positions of the positioning slots 9 match the positioning pin plate 8.

[0019] When the shoe is stepped on, the air inlet 3 is stepped on by the sole of the foot, the air bag 2 is compressed to discharge the internal air, and the air rushes into the air outlet 4 to push the one-way valve plate 6 to open outward, and the air is discharged from the movable groove 5; when the foot is lifted, the air bag 2 swells and inhales air, and the one-way valve plate 6 is quickly reset under the drive of the airflow, and the air in the shoe is sucked in from the air inlet 3, and the air flow in the shoe is intensified with the breathable upper to keep the shoe dry; by lifting the support rod 7 axially connected to the movable groove 5, the one-way valve plate 6 is pressed, and the positioning pin plate 8 is moved to insert into the positioning slot 9 to prevent the support rod 7 from falling back, so that the one-way valve plate 6 cannot be opened to the outside, thereby avoiding the air bag 2 from swelling and the one-way valve plate 6 from being completely closed. The one-way valve plate 6 is prevented from flowing into the shoe to cause discomfort, and the bacteria breeding in the shoe due to moisture is reduced, thereby protecting the health of the sole of the foot.

[0020] The support rod 7 is provided with a translation slot 10 along the length direction, and the positioning pin plate 8 passes through the translation slot 10 . Both ends of the positioning pin plate 8 are provided with side baffles 11 that fit with the side surfaces of the support rod 7 .

[0021] The positioning pin plate 8 passes through the translation slot 10, and the side baffle plate 11 fits the support rod 7, guiding the positioning pin plate 8 to move along the translation slot 10 on the support rod 7, thereby preventing the positioning pin plate 8 from falling off or being lost, and making the movement smoother when inserted into the positioning slot 9.

[0022] The groove wall of the translation groove 10 is provided with an integrally formed anti-slip layer.

[0023] An integrally formed anti-skid layer is provided on the groove wall of the translation groove 10 to prevent the positioning pin plate 8 inserted into the positioning slot 9 from sliding out, thereby ensuring that the support rod 7 can abut against the one-way valve plate 6 .

[0024] The edges of the positioning pin plate 8 are chamfered to form rounded corners.

[0025] By chamfering the edge of the positioning pin plate 8 to form a rounded corner, the end surface area of ​​the positioning pin plate 8 is reduced, and the end portion is easier to enter the positioning slot 9.

[0026] The one-way valve plate 6 is an elastic plate covering the air outlet 4 , and the top surface of the support rod 7 is covered with a protective cushion.

[0027] The protective cushion on the top surface of the support rod 7 is attached to the elastic plate, and the elastic plate can be sunken into the protective cushion, forming another layer of sealing structure on the outside of the elastic plate, thereby further improving the waterproof performance.

Claims

1. A water-proof breathable sole, comprising a sole body (1), an air bag (2) is arranged inside the sole body (1), the air bag (2) is provided with an air inlet (3) connected to the top surface of the sole body (1), and an air outlet (4) is arranged at the bottom of the air bag (2), characterized in that: A movable groove (5) extending to the bottom of the air bag (2) is provided at the rear of the sole body (1); the air outlet (4) is connected to the movable groove (5); the bottom end of the air outlet (4) is connected to a one-way valve plate (6); a support rod (7) is axially connected to the inner axis of the movable groove (5); the position of the support rod (7) corresponds to the air outlet (4); the end of the support rod (7) extends out of the movable groove (5) and is connected to a movable positioning pin plate (8); a plurality of positioning slots (9) are also provided at the slot edge of the movable groove (5); the position of the positioning slots (9) matches the positioning pin plate (8).

2. The water-proof breathable sole according to claim 1, characterized in that: The support rod (7) is provided with a translation slot (10) along the length direction, the positioning pin plate (8) passes through the translation slot (10), and the two ends of the positioning pin plate (8) are provided with side baffles (11) that fit the side surfaces of the support rod (7).

3. A water-proof breathable sole according to claim 2, characterized in that: The groove wall of the translation groove (10) is provided with an integrally formed anti-slip layer.

4. The water-proof breathable sole according to claim 1, characterized in that: The edges of the positioning pin plate (8) are chamfered to form rounded corners.

5. The water-proof breathable sole according to claim 1, characterized in that: The one-way valve plate (6) is an elastic plate covering the air outlet (4), and the top surface of the support rod (7) is covered with a protective cushion.