Casual shoe with inflation tube support

By introducing air tubes and air bladders into casual shoes, the problem of the traditional casual shoe's single support structure is solved, achieving personalized foot support and improved comfort, and relieving foot fatigue during long periods of standing or walking.

CN224265524UActive Publication Date: 2026-05-22WENZHOU MINGQI SHOES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WENZHOU MINGQI SHOES CO LTD
Filing Date
2025-06-23
Publication Date
2026-05-22

AI Technical Summary

Technical Problem

Traditional casual shoes have a relatively simple support structure, which makes it difficult to meet the personalized needs of different people for foot support, leading to foot fatigue and pain when standing or walking for a long time.

Method used

Design a casual shoe with inflatable tube support, including a sole, insole, and upper. The sole has an embedded inflatable tube and an inflatable air bladder, which provide personalized support through the expansion of the inflatable tube and air bladder. The upper and sole are fixed together with positioning lines to ensure the airtightness and comfort of the air bladder and tube.

Benefits of technology

It improves the comfort and personalization of casual shoes, providing even support through the combination of air tubes and air bladders, relieving foot fatigue and enhancing the wearing experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a pair of casual shoes with inflation tube supports, relates to the technical field of daily life, and mainly aims to provide a pair of casual shoes which are more comfortable to wear. The casual shoe with the inflation tube support comprises a sole, an insole and a vamp, the sole comprises a heel part and an arch part, the heel part is provided with a groove, an inflation tube is embedded in the groove, and the arch part is provided with an inflation air bag communicated with the inflation tube; a positioning line is arranged in the area, close to the peripheral side, of the sole, and the edge of the vamp is fixed to the sole through the positioning line; wherein the shoe sole and the shoe upper define a wearing cavity for a foot to stretch into, the shoe pad is located in the wearing cavity and covers the shoe heel part and the foot arch part, and the inflation pipe and the inflation air bag are both located on the side, opposite to the shoe upper, of the shoe pad.
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Description

Technical Field

[0001] This utility model relates to a casual shoe with an air tube support. Background Technology

[0002] Currently, there is a wide variety of shoes on the market. Some shoes are mainly for decorative purposes, while others primarily provide auxiliary functions. Casual shoes are mainly used to meet people's daily wear needs. As people's living standards improve, the demand for comfort in casual shoes is increasing. Traditional casual shoes often have a relatively simple support structure, making it difficult to meet the personalized foot support needs of different groups of people. Especially for people who stand or walk for long periods of time, casual shoes lacking good support can easily lead to foot fatigue, pain, and other problems. Summary of the Invention

[0003] The purpose of this invention is to provide a casual shoe with an inflatable tube support, so as to improve the support effect of the casual shoe on the user's foot to a certain extent and improve the user's wearing experience.

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

[0005] This utility model provides a casual shoe with an inflatable tube support, including a sole, an insole, and an upper. The sole includes a heel and an arch. The heel has a groove in which an inflatable tube is embedded. The arch has an inflatable air bladder connected to the inflatable tube. The area near the outer periphery of the sole has a positioning line, and the edge of the upper is fixed to the sole by the positioning line.

[0006] The sole and the upper form a wearing cavity into which the foot can be inserted. The insole is located inside the wearing cavity and covers the heel and the arch. The inflation tube and the inflation bladder are both located on the side of the insole facing away from the upper.

[0007] Based on the above technical solution, the present invention can be further improved as follows.

[0008] As a further improvement of this utility model, the inflatable airbag is provided with an inflation port, and a first sealing plug is embedded in the inflation port to seal the inflation port; the inflation port is positioned towards the insole and the upper surface of the first sealing plug sealing the inflation port is flush with the upper surface of the inflation port.

[0009] As a further improvement of this utility model, an exhaust port is provided on the inflation tube, and a second sealing plug is embedded in the exhaust port to seal the exhaust port.

[0010] As a further improvement of this utility model, the upper surface of the second sealing plug that seals the exhaust port is flush with the upper surface of the exhaust port, and the exhaust port is positioned facing the insole.

[0011] As a further improvement of this utility model, the depth of the groove is less than 5mm, and the upper surface of the air tube located in the groove is flush with or protrudes from the upper surface of the heel.

[0012] As a further improvement of this utility model, a one-way valve is provided at one end of the inflatable airbag connected to the inflation tube, and the one-way valve allows the gas located in the inflatable airbag to flow to the inflation tube.

[0013] As a further improvement of this utility model, a pressure indicator is provided on the side surface of the inflatable airbag facing away from the sole. The pressure indicator includes at least one of a color-changing coating and a scale mark. The color-changing coating is used to change color with the degree of inflation of the inflatable airbag. The scale mark includes at least two scale lines, and the distance between any two adjacent scale lines can change with the degree of inflation of the inflatable airbag.

[0014] As a further improvement of this utility model, the scale line includes either a circular scale line or a straight scale line.

[0015] As a further improvement of this utility model, the insole is provided with multiple ventilation holes.

[0016] As a further improvement of this utility model, the heel part is also provided with a first connecting member, the first connecting member is arranged around the outer periphery of the groove, and the insole is provided with a second connecting member that is detachably connected to the first connecting member.

[0017] Compared to existing technologies, the preferred embodiment of this invention provides a casual shoe with an inflatable tube support. By inflating the air bladder and air tube, the shoe provides better support for the heel and arch of the foot. Simultaneously, because the air tube and air bladder are connected, the gas distribution is more uniform, better adapting to different foot shapes and greatly improving the comfort and personalization of the casual shoe. The positioning lines facilitate precise fixing of the upper and sole, improving the shoe's manufacturing process and overall stability. The special design of the sealing plug on the air bladder ensures the airtightness of the inflation port and also results in a relatively flat surface after the insole is placed, preventing the sealing plug from protruding and affecting the wearing experience. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, 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.

[0019] Figure 1 This is a schematic diagram of the overall structure of a casual shoe with an air tube support provided by this utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the sole of a casual shoe with an inflatable tube support provided by this utility model;

[0021] Figure 3 for Figure 2 A schematic diagram of the structure of the inflatable airbag and inflation tube in the inflated state;

[0022] Figure 4 A top view of the sole of a casual shoe with an inflatable tube support, provided by this utility model.

[0023] In the diagram: 1. Shoe sole; 11. Heel; 111. Groove; 112. First connector; 12. Arch support; 13. Positioning line; 2. Insole; 21. Vent hole; 3. Upper; 4. Inflation tube; 41. Exhaust port; 42. Second sealing plug; 43. Inflation branch tube; 5. Inflation bladder; 51. Inflation port; 52. First sealing plug; 53. Pressure indicator; 6. Wearing cavity; 7. One-way valve. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0025] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] Appendix Figure 1 This is a schematic diagram of the overall structure of a casual shoe with an inflatable tube support provided by this utility model. As can be seen from the diagram, the casual shoe comprises three parts: a sole, an upper, and an insole. The sole and upper can be joined to form a wearing cavity for accommodating the insole. The upper is fixedly connected to the sole via positioning lines on the sole. The insole has multiple ventilation holes.

[0028] Appendix Figure 2 This is a schematic cross-sectional view of the sole structure of a casual shoe with an inflatable tube support provided by this utility model. As shown in the figure, the sole includes a heel section and an arch section. The heel section has an inflatable tube and a groove for accommodating the tube. The top surface of the inflatable tube facing away from the sole has an exhaust port and a second sealing plug that mates with the exhaust port. The inflatable tube can also be connected to an inflatable air bladder located on the arch section via a one-way valve. The top surface of the inflatable air bladder facing away from the sole has an inflation port and a second sealing plug that mates with the inflation port. Figure 2 In this design, the top surfaces of the inflation port and the second sealing plug are located on the same surface, as are the vent port and the second sealing plug. Most importantly, the top surface of the inflation tube is not lower than the top surface of the heel, allowing the inflation tube to fill the groove in the heel to ensure that the groove structure does not affect the user's wearing experience.

[0029] Appendix Figure 3 for Figure 2The diagram shows the structure of the inflatable airbag and inflation tube in the inflated state. As can be seen from the diagram, in the inflated state, both the airbag and inflation tube are relative to... Figure 2 The state shown has undergone a certain degree of expansion.

[0030] Appendix Figure 4 This is a top view of the sole of a casual shoe with an inflatable tube support, provided by this utility model. As can be seen from the figure, the sole has positioning lines for a surrounding groove, an inflatable tube, and an inflatable air bladder. A first connecting member is provided on the outer periphery of the groove on the heel, and a pressure indicator is provided on the surface of the inflatable air bladder.

[0031] like Figures 1 to 4 As shown, this utility model provides a casual shoe with an air tube 4 for support. The casual shoe mainly includes three parts: sole 1, insole 2 and upper 3. The area of ​​the sole 1 near the outer periphery is provided with a positioning line 13. The edge of the upper 3 is fixedly connected to the sole 1 through the positioning line 13 provided on the sole 1, and forms a wearing cavity 6 for the foot to enter. The insole 2 is laid in the wearing cavity 6 and covers the upper surface of the sole 1.

[0032] In some embodiments, the positioning line 13 may be a line drawn on the sole 1 to indicate the installation location of the upper 3, or it may be a stitching line used to firmly connect the upper 3 and the sole 1.

[0033] Please see Figure 2 and Figure 3 The sole 1 includes a heel portion 11 and an arch portion 12, and also includes a forefoot portion (not shown in the figure) located at the end of the arch portion 12 opposite to the heel portion 11. The upper surface of the heel portion 11 is recessed to form a groove 111, the depth of which is less than 5 mm. An inflation tube 4 is embedded in this groove 111. The arch portion 12 is provided with an inflation bladder 5 connected to the inflation tube 4. The groove 111 has an opening facing the arch portion 12, through which the inflation tube 4 extends relative to the groove 111 and remains in communication with the inflation bladder 5 located in the arch portion 12.

[0034] It is important to note that when the insole 2 is located within the wearing cavity 6, it can at least cover the heel 11 and arch 12 of the sole 1, and confine the inflation tube 4 and the inflation bladder 5 between the sole 1 and the insole 2. At this time, both the inflation tube 4 and the inflation bladder 5 are located on the side of the insole 2 facing away from the upper 3. When the user wears this casual shoe, the user's foot directly contacts the insole 2 but not the inflation tube 4 and the inflation bladder 5, ensuring the user's comfort.

[0035] Of course, in this embodiment, the upper surface of the air tube 4 located in the groove 111 is always flush with or protruding relative to the upper surface of the heel 11, so as to ensure that when the user wears the casual shoe, there will be no problem of foot discomfort or reduced comfort due to the surface height of the air tube 4 being lower than the groove 111.

[0036] To further improve user comfort, in some embodiments, multiple ventilation holes 21 can be provided on the insole 2 to enhance its ventilation and breathability. A first connector 112 (such as a Velcro hook side) is provided around the outer periphery of the groove 111 of the heel part 11, and a second connector 22 (such as a Velcro loop side) is provided at the corresponding position on the bottom of the insole 2. The two are detachably connected, making it convenient for users to clean or replace the insole 2.

[0037] Of course, in order to enhance the connection between the insole 2 and the sole 1, the first connector 112 can be set to extend from the heel 11 to the arch 12 to ensure that the inflatable airbag 5 located in the arch 12 will not be exposed from the side of the insole 2 relative to the insole 2.

[0038] In some embodiments, the inflation tube 4 and the inflation bladder 5 are connected by a one-way valve 7. This one-way valve 7 defines the direction of gas flow, allowing gas to flow only from the inflation bladder 5 into the inflation tube 4. When gas is injected into the inflation bladder 5, the gas inside the inflation bladder 5 can flow through the one-way valve 7 into the inflation tube 4 under the action of air pressure and external forces such as external compression, thereby maintaining the support stability of the inflation tube 4 located at the heel portion 11.

[0039] When the user steps on the sole 1, the inflation tube 4 located in the heel 11 can provide good support for the user's foot. When the user lifts their foot, the inflation bladder 5 can provide good support for the arch 12. At the same time, the excess gas in the arch 12 can flow into the inflation tube 4 through the one-way valve 7 under the pressure provided by the foot, so as to provide continuous support for the user's foot and help relieve foot fatigue.

[0040] In some embodiments, in order to facilitate the inflation of the airbag 5, an inflation port 51 is provided on the airbag 5, and a first sealing plug 52 is embedded in the inflation port 51 to seal the inflation port 51.

[0041] In use, the user can remove the first sealing plug 52 from the inflation port 51 and simultaneously inflate the airbag 5 using a toolbox such as an air pump. Once inflated, the airbag 5 and inflation tube 4 expand. (See [link to relevant documentation]). Figure 3 After filling with an appropriate amount of gas, the first sealing plug 52 can be inserted into the inflation port 51 to seal the inflatable airbag 5 and prevent gas leakage.

[0042] When a user walks while wearing these casual shoes, the inflation tube 4 provides some support and cushioning for the user's heel, while the one-way valve 7 prevents gas from flowing back into the inflation bladder 5 under pressure. At the same time, the gas in the inflation bladder 5 can not only replenish the inflation tube 4 when the air pressure is insufficient, but also provide some support for the user's arch 12, which helps to relieve foot fatigue and improve the comfort of wearing the shoes.

[0043] It should be noted that the aforementioned inflation tube 4 may include multiple interconnected and adjacent inflation branch tubes 43. One end of each inflation branch tube 43 is connected to form a conduit that connects to the inflatable airbag 5. The inflation branch tubes 43 and the inflatable airbag 5 may be an integral structure and both are made of rubber or TPU material with good flexibility.

[0044] To help users determine whether the air in the airbag 5 and the inflation tube 4 is adequately inflated (avoiding situations where too little or too much air is inflated), a pressure indicator 53 is provided on the outer surface of the airbag 5 facing away from the sole 1. This pressure indicator 53 includes at least one of a color-changing coating and graduated markings. Please refer to [link / reference needed]. Figure 4 .

[0045] The pressure indicator 53 can visually reflect the pressure inside the inflatable airbag 5 by identifying changes.

[0046] Taking the pressure indicator 53 as an example of a color-changing coating, the color-changing coating is used to change color with the degree of inflation of the airbag 5 to indicate the degree of inflation of the airbag 5, so as to help users judge whether the inflation amount is reasonable.

[0047] For example, the materials used in the color-changing coating can undergo structural distortion of molecules under pressure, altering their light absorption or reflection properties, thereby exhibiting a color change. Examples include cholesteric liquid crystals and triarylmethane lactone compounds. The color-changing coating can be applied to the surface of the inflatable airbag 5 by spraying or screen printing. The formulation and color change range of such materials have been disclosed in related technologies and will not be repeated here.

[0048] Taking the pressure indicator 53 as an example, the scale mark includes at least two scale lines, and the distance between any two adjacent scale lines can change with the degree of inflation of the airbag 5. For example, when the airbag 5 inflates, the distance between two adjacent scale lines increases, and when the gas in the airbag 5 decreases, causing its volume to shrink, the distance between two adjacent scale lines decreases.

[0049] Specifically, the scale lines include either circular scale lines or straight scale lines.

[0050] To allow users to easily monitor the current pressure of the airbag 5, corresponding indicator information can be applied to the arch support 12. For example, a color might indicate whether the airbag 5 pressure is normal, or whether it's too low, or the spacing between adjacent graduations might indicate normal pressure. For instance, when the airbag pressure is low, the color-changing coating is light blue, gradually turning dark blue as the pressure increases; the graduations are initially spaced in 1mm intervals, increasing in spacing as the airbag expands. Of course, the actual indications can be adjusted to accommodate the inflatability of the airbag 5, and this embodiment does not limit them.

[0051] Users can easily understand the current pressure status of the inflatable airbag 5 through the pressure indicator 53.

[0052] After confirming that the air pressure in the airbag 5 and the air tube 4 meets the requirements, in order to avoid the airbag 5 in an inflated state and the first sealing plug 52 on it affecting the user's wearing experience, and considering the convenience of inflating the airbag 5, the air inlet 51 is set on the upper surface of the airbag 5 and facing the insole 2, and the upper surface of the first sealing plug 52 sealing the air inlet 51 is flush with the upper surface of the air inlet 51.

[0053] An inflation port 51 is provided on the surface of the inflatable airbag 5. A first sealing plug 52 is inserted into the inflation port 51 to achieve a seal, and its upper surface facing the insole 2 is flush with the upper surface of the inflation port 51. This structure not only helps to hide the first sealing plug 52, but also prevents the first sealing plug 52 from protruding relative to the inflation port 51 and compressing the user's foot.

[0054] Similarly, an exhaust port 41 is provided on the inflation tube 4, and a second sealing plug 42 is embedded in the exhaust port 41 to seal the exhaust port 41. The exhaust port 41 is positioned facing the insole 2, and the upper surface of the second sealing plug 42 sealing the exhaust port 41 is flush with the upper surface of the exhaust port 41.

[0055] When the second sealing plug 42 of the sealing vent 41 is removed, at least a portion of the gas located in the inflation tube 4 can be discharged through the vent 41. By cooperating with the inflation port 51 and the vent 41, the user can conveniently and flexibly adjust the air pressure in the inflation tube 4 and the inflation bladder 5 according to individual needs, achieving personalized foot support, effectively relieving foot fatigue, and improving wearing comfort.

[0056] In some embodiments, the first sealing plug 52 and the second sealing plug 42 may be made of silicone or rubber.

[0057] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A casual shoe with an inflatable tube support, characterized in that, The shoe includes a sole, an insole, and an upper. The sole includes a heel and an arch. The heel has a groove with an inflatable tube embedded in it. The arch has an inflatable air bladder connected to the inflatable tube. The area near the outer periphery of the sole has a positioning line, and the edge of the upper is fixed to the sole by the positioning line. The sole and the upper form a wearing cavity into which the foot can be inserted. The insole is located inside the wearing cavity and covers the heel and the arch. The inflation tube and the inflation bladder are both located on the side of the insole facing away from the upper.

2. The casual shoe with inflatable tube support according to claim 1, characterized in that, The inflatable airbag is provided with an inflation port, and a first sealing plug is embedded in the inflation port to seal the inflation port; the inflation port is positioned facing the insole and the upper surface of the first sealing plug sealing the inflation port is flush with the upper surface of the inflation port.

3. The casual shoe with inflatable tube support according to claim 2, characterized in that, The inflation tube has an exhaust port, and a second sealing plug is embedded in the exhaust port to seal it.

4. The casual shoe with inflatable tube support according to claim 3, characterized in that, The upper surface of the second sealing plug, which is positioned facing the insole and seals the vent, is flush with the upper surface of the vent.

5. The casual shoe with inflatable tube support according to claim 1, characterized in that, The groove is less than 5 mm deep, and the upper surface of the air tube located in the groove is flush with or protrudes from the upper surface of the heel.

6. The casual shoe with inflatable tube support according to claim 1, characterized in that, The inflatable airbag is equipped with a one-way valve at one end connected to the inflation tube, which allows gas inside the inflatable airbag to flow to the inflation tube.

7. The casual shoe with inflatable tube support according to claim 1, characterized in that, A pressure indicator is provided on the side of the inflatable airbag facing away from the sole. The pressure indicator includes at least one of a color-changing coating and a scale mark. The color-changing coating is used to change color with the degree of inflation of the inflatable airbag. The scale mark includes at least two scale lines, and the spacing between any two adjacent scale lines can change with the degree of inflation of the inflatable airbag.

8. The casual shoe with inflatable tube support according to claim 7, characterized in that, The scale lines include either circular scale lines or straight scale lines.

9. The casual shoe with air tube support according to claim 1, characterized in that, The insole has multiple ventilation holes.

10. The casual shoe with an inflatable tube support according to any one of claims 1-9, characterized in that, The heel portion is also provided with a first connector, which is arranged around the outer periphery of the groove, and the insole is provided with a second connector that is detachably connected to the first connector.