Gas exchange system

Abstract

The utility model relates to the technical field of footwear accessories, and discloses a gas exchange system which comprises an air bag, a gas guide tube and a plurality of one-way valves, the air bag at least comprises an air inlet and an air outlet, and one one-way valve is fixed at each of the air inlet and the air outlet. The air bag is detachably connected with the air guide pipe through the one-way valve, and the air bag is detachably connected with the air guide pipe, so that one air bag can be assembled with various air guide pipes to form different air exchange systems when the air exchange system is used for production; various molds are not required to be manufactured due to the change of the shape of the air guide tube, the production cost can be effectively saved, the air bag can be detachably connected with different air guide tubes, and one air bag can be matched with the air guide tubes in different shapes for use.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of footwear accessories, and particularly relates to a gas exchange system. BACKGROUND

[0002] At present, the breathable shoes on the market usually set breathable holes around the vamp or adopt breathable mesh materials to realize the breathable effect, but such shoes usually cannot realize the foot bottom breathability, and the foot bottom is a position extremely easy to sweat and breed bacteria, and ventilation at the foot bottom position can have a good effect.

[0003] The utility model patent with publication number CN218127193U discloses a gas exchange system, which is arranged in the shoe sole, can extrude the elastic air cavity when the heel is stepped on, and the gas in the elastic air cavity is conducted to the foot bottom through the air inlet pipeline to realize ventilation, but in the above technology, the elastic air cavity and the air inlet pipeline are integrally formed, which is difficult to process, and the shape of the air inlet pipeline is various, the existing gas exchange system also produces the elastic air cavity when producing different air inlet pipelines, and when producing the gas exchange system with different air inlet pipelines, different gas exchange system molds need to be opened, and the mold cost is high. SUMMARY

[0004] The utility model aims at providing a gas exchange system to solve the problem of inconvenient production of multiple specifications of air bags at present.

[0005] The utility model discloses the following technical scheme:

[0006] A gas exchange system, comprising an air bag, a gas guide pipe and a plurality of one-way valves, wherein the air bag comprises at least one air inlet and one air outlet, a one-way valve is fixed at each of the air inlet and the air outlet, and the air bag and the gas guide pipe are detachably connected through the one-way valve.

[0007] Optionally, the two ports of the air inlet and the air outlet are of the same shape, and the two ports can complete the installation of the gas guide pipe, and the port connected with the gas guide pipe is the air outlet.

[0008] Optionally, two opposite check teeth are fixed at both ends of the one-way valve, the air bag and the gas guide pipe are detachably connected through the one-way valve, one side of the one-way valve is fixedly connected with the air bag through the check teeth, and the other side of the one-way valve is fixedly connected with the gas guide pipe through the other opposite check teeth.

[0009] As optional, the first connecting head is fixed on the air bag, the second connecting head is fixed on the air guide pipe, the air bag comprises an air inlet and an air outlet, the first connecting head is located at the air inlet, and the air bag and the air guide pipe are detachably connected through the first connecting head and the second connecting head.

[0010] As optional, the first connecting head comprises an inner layer connector and an outer layer connector, the inner layer connector is coaxially arranged on the outer layer connector, and the inner layer connector is arranged between the outer layer connectors and used for plug connection with the second connecting head.

[0011] As optional, the inner layer connector is fixed with a plurality of first connecting tooth rings on the outer side, the outer layer connector is also fixed with a first connecting tooth ring on the inner side, the cross section of the first connecting tooth ring is a right triangle, and the inclined surface of each first connecting tooth ring is arranged in a direction away from the air bag.

[0012] As optional, the inner and outer sides of the second connecting head are fixed with second connecting tooth rings, the cross section of the second connecting tooth ring is a right triangle, and the inclined surface of each second connecting tooth ring is arranged on a side away from the air guide pipe.

[0013] As optional, the first connecting tooth rings on the inner layer connector and the first connecting tooth rings on the outer layer connector are arranged in a staggered manner, and the second connecting tooth rings on the inner and outer sides of the second connecting head are also arranged in a staggered manner.

[0014] As optional, a V-shaped ring groove is arranged between the inner layer connector and the outer layer connector, and a sealing ring is fixed on the second connecting head, the sealing ring is arranged in the V-shaped ring groove after the second connecting head is plugged into the first connecting head.

[0015] As optional, a one-way valve fixed tooth ring is fixed on the inner side wall of the inner layer connector, and a one-way valve sealing layer is arranged on the side of the inner layer connector farthest from the air bag.

[0016] As optional, the air guide pipes with different shapes adopt the same structure of the second connecting head.

[0017] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0018] The air bag and the air guide pipe are detachably connected, one air bag can be assembled with multiple air guide pipes to form different gas exchange systems during production of the gas exchange system, multiple molds do not need to be manufactured due to the change of the shape of the air guide pipe, production cost can be effectively saved, the air bag can be detachably connected with different air guide pipes, and one air bag can be used with air guide pipes with different shapes. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the principles of the present application. In the drawings:

[0020] Figure 1 is a structural schematic view of one embodiment in the present application;

[0021] Figure 2 is a structural schematic view of the air bag and the air guide pipe in a disassembled state in the present application;

[0022] Figure 3 is a structural schematic view of the air bag and the air guide pipe in a disassembled state in the present application; Figure 1 is an enlarged view of A in the present application;

[0023] Figure 4 is a structural schematic view of another embodiment in the present application;

[0024] Figure 5 is an enlarged view of B in the present application; Figure 4

[0025] Figure 6 is a structural schematic view of the first connecting head;

[0026] Figure 7 is a structural schematic view of the first connecting head;

[0027] Figure 8 is a schematic view of a single-tube air guide pipe;

[0028] Figure 9 is a schematic view of a multi-tube air guide pipe.

[0029] The symbols in the drawings represent: 1-air bag, 101-first connecting head, 101a-inner layer joint, 101b-outer layer joint, 102-one-way valve fixed tooth ring, 103-one-way valve sealing layer, 104-first connecting tooth ring, 2-air guide pipe, 201-second connecting head, 202-sealing ring, 203-second connecting tooth ring, 3-one-way valve, 4-air inlet, 5-air outlet. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with embodiments and drawings, the schematic embodiments of the present application and the description thereof are only used to explain the present application, and do not limit the present application.

[0031] Embodiment one, as Figures 1-3 ​As shown, a gas exchange system comprises a gas bag 1, a gas guide pipe 2 and a plurality of one-way valves 3, the gas bag 1 comprises at least one gas inlet 4 and one gas outlet 5, one-way valves 3 are fixed at the gas inlet 4 and the gas outlet 5, the gas bag 1 and the gas guide pipe 2 are detachably connected at the gas outlet 5 through the one-way valve 3. Through the detachable connection design, not only the installation difficulty of the whole gas exchange system can be reduced, but also the gas bag 1 can be matched with more shapes of the gas guide pipe 2.

[0032] It should be noted that the two ports of the gas inlet 4 and the gas outlet 5 are the same shape, and both ports can complete the installation of the gas guide pipe 2, and the distinguishing method is determined according to the function. Among the two ports, the port connected with the gas guide pipe 2 is used as the gas outlet and is the gas outlet 5, and the other port is used as the gas inlet and is the gas inlet 4.

[0033] The outer surface of the one-way valve 3 is fixedly provided with two anti-reverse teeth, one side of the one-way valve 3 is fixedly connected with the gas bag 1 through the anti-reverse teeth, and the other side of the one-way valve 3 is fixedly connected with the gas guide pipe 2 through the other anti-reverse teeth. Through the one-way valve 3, the connection between the gas bag 1 and the gas guide pipe 2 can be directly completed.

[0034] In this embodiment, the gas bag 1 comprises a gas inlet 4 and a gas outlet 5, and one-way valves need to be installed at the gas inlet 4 and the gas outlet 5 when the gas exchange system is installed to the sole. Through the detachable design between the gas bag 1 and the gas guide pipe 2, the installation of the one-way valve at the gas outlet 5 can be more convenient, and at the same time, the split design can also be more convenient for designing and processing a better one-way valve mounting structure at the gas outlet 5, so that the installation of the one-way valve can be more simply completed and the sealing effect between the outer wall of the one-way valve and the gas bag 1 can be ensured.

[0035] In this embodiment, the gas bag 1 comprises a gas inlet 4 and a gas outlet 5, and one-way valves need to be installed at the gas inlet 4 and the gas outlet 5 when the gas exchange system is installed to the sole. Through the detachable design between the gas bag 1 and the gas guide pipe 2, the installation of the one-way valve at the gas outlet 5 can be more convenient, and at the same time, the split design can also be more convenient for designing and processing a better one-way valve mounting structure at the gas outlet 5, so that the installation of the one-way valve can be more simply completed and the sealing effect between the outer wall of the one-way valve and the gas bag 1 can be ensured. Figures 4 to 9 As shown, based on example one, the detachable connector may be disconnected at the connection position during use. In order to reduce this risk, this embodiment further provides a connection structure with high sealing performance and firm connection.

[0036] In this embodiment, the gas bag 1 is fixedly provided with a first connector 101, the gas guide pipe 2 is fixedly provided with a second connector 201, and the gas bag 1 and the gas guide pipe 2 are detachably connected through the first connector 101 and the second connector 201, and the first connector 101 is located at the gas inlet 4.

[0037] In the embodiment, the first connector 101 comprises inner connectors 101a and outer connectors 101b, the inner connectors 101a are coaxially arranged on the outer connectors 101b, the inner connectors 101a are arranged between the outer connectors 101b, the inner connectors 101a and the outer connectors 101b are used for plugging with the second connector 201, so as to complete the connection between the air bag 1 and the air duct 2, a plurality of first connecting tooth rings 104 are fixed outside the inner connectors 101a, the outer connectors 101b also have the first connecting tooth rings 104 fixed inside, the first connecting tooth rings 104 are right-angled triangles in cross section, the inclined surfaces of each first connecting tooth ring 104 are arranged in a direction away from the air bag 1, the design of the first connecting tooth ring 104 can ensure the smooth insertion of the second connector 201, if the second connector 201 has a tendency to come out under external force after being inserted, the first connecting tooth ring 104 can effectively prevent the second connector 201 from coming out, and can effectively prevent the air bag 1 and the air duct 2 from being disconnected.

[0038] Further, in order to make the connection of the second connector 201 and the first connector 101 more firm, the inner and outer sides of the second connector 201 are fixedly provided with second connecting tooth rings 203, the cross sections of the second connecting tooth rings 203 are also right-angled triangles, the inclined surfaces of each second connecting tooth ring 203 are arranged on a side away from the air duct 2, after the second connector 201 and the first connector 101 are plugged and matched, the vertical edges of the second connecting tooth rings 203 contact the vertical edges of the first connecting tooth rings 104, so as to further ensure the firm connection between the second connector 201 and the first connector 101.

[0039] Further, the first connecting tooth rings 104 on the inner connectors 101a are arranged in a staggered manner with the first connecting tooth rings 104 on the outer connectors 101b, the second connecting tooth rings 203 on the inner and outer sides of the second connector 201 are also arranged in a staggered manner, the staggered arrangement can make the distribution of the clamping between the first connector 101 and the second connector 201 more uniform in the axial direction of the first connector 101, and ensure uniform stress.

[0040] In the embodiment, the inner layer joint 101a is provided with a V-shaped ring groove between the outer layer joint 101b, the second connecting head 201 is fixedly provided with a sealing ring 202, after the second connecting head 201 is inserted with the first connecting head 101, the sealing ring 202 is placed in the V-shaped ring groove, the second connecting tooth ring 203 on the second connecting head 201 contacts the first connecting tooth ring 104 to provide extrusion force for the sealing ring 202, the extrusion force extrudes the V-shaped ring groove to deform, so that the first connecting head 101 and the second connecting head 201 form good sealing.

[0041] In the embodiment, the inner layer joint 101a is provided with a structure for mounting a one-way valve, the outer surface of the one-way valve is fixedly provided with a ring-shaped tooth similar to the second connecting tooth ring 203, the inner wall of the inner layer joint 101a is fixedly provided with a one-way valve fixing tooth ring 102, the side of the inner layer joint 101a closest to the air bag 1 is provided with a one-way valve sealing layer 103, the one-way valve sealing layer 103 has elasticity, after the one-way valve is mounted on the first connecting head 101, the air inlet valve port of the one-way valve extrudes the one-way valve sealing layer 103, so as to ensure the sealing effect between the one-way valve and the inner layer joint 101a, and the ring-shaped tooth on the one-way valve cooperates with the one-way valve fixing tooth ring 102 to complete the fixing of the one-way valve on the first connecting head 101.

[0042] In the embodiment, the gas guide pipe 2 is divided into single pipe shape and multi-pipe shape, different gas guide pipes 2 are used for different sole designs, different shapes of the gas guide pipe 2 adopt the same structure of the second connecting head 201, so that the air bag 1 can be adapted to different types of gas guide pipes 2, when a plurality of gas guide pipes 2 are made, only different gas guide pipes 2 need to be produced, without the air bag 1, so as to reduce the production cost.

[0043] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A gas exchange system, comprising an airbag (1), an air delivery tube (2), and a plurality of one-way valves (3), characterized in that, The airbag (1) includes at least one air inlet (4) and one air outlet (5). A one-way valve (3) is fixed at both the air inlet (4) and the air outlet (5). The airbag (1) and the air guide tube (2) are detachably connected through the one-way valve (3).

2. The gas exchange system according to claim 1, characterized in that, The two ports, namely the air inlet (4) and the air outlet (5), have the same shape. The air guide pipe (2) can be installed at both ports. The port connected to the air guide pipe (2) is the air outlet.

3. A gas exchange system according to claim 1, characterized in that, The one-way valve (3) has two check teeth fixed at both ends. The airbag (1) and the air guide tube (2) are detachably connected through the one-way valve (3). One side of the one-way valve (3) is fixedly connected to the airbag (1) through the check teeth, and the other side of the one-way valve (3) is fixedly connected to the air guide tube (2) through the check teeth in another direction.

4. A gas exchange system according to claim 1, characterized in that, The airbag (1) is fixedly provided with a first connector (101), and the air guide tube (2) is fixedly provided with a second connector (201). The airbag (1) includes an air inlet and an air outlet. The first connector (101) is located at the air inlet. The airbag (1) and the air guide tube (2) are detachably connected through the first connector (101) and the second connector (201).

5. A gas exchange system according to claim 4, characterized in that, The first connector (101) includes an inner connector (101a) and an outer connector (101b). The inner connector (101a) and the outer connector (101b) are coaxially arranged. The inner connector (101a) is placed between the outer connector (101b). The inner connector (101a) and the outer connector (101b) are used for insertion with the second connector (201).

6. A gas exchange system according to claim 5, characterized in that, The inner connector (101a) is fixedly provided with a plurality of first connecting toothed rings (104) on its outer side, and the outer connector (101b) is also fixedly provided with a first connecting toothed ring (104) on its inner side. The first connecting toothed ring (104) has a right-angled triangle cross section, and the inclined surface of each first connecting toothed ring (104) is located away from the airbag (1).

7. A gas exchange system according to claim 6, characterized in that, The second connector (201) is fixed with a second connecting toothed ring (203) on both the inner and outer sides. The cross-section of the second connecting toothed ring (203) is a right triangle. The inclined surface of each second connecting toothed ring (203) is located on the side away from the air guide tube (2). The inner wall of the inner connector (101a) is fixed with a one-way valve fixing toothed ring (102). The inner connector (101a) is provided with a one-way valve sealing layer (103) on the side closest to the airbag (1).

8. A gas exchange system according to claim 7, characterized in that, The first connecting toothed ring (104) on the inner connector (101a) is staggered with the first connecting toothed ring (104) on the outer connector (101b), and the second connecting toothed rings (203) on the inner and outer sides of the second connector (201) are also staggered.

9. A gas exchange system according to claim 7, characterized in that, A V-shaped annular groove is provided between the inner connector (101a) and the outer connector (101b). A sealing ring (202) is fixedly provided on the second connector (201). After the second connector (201) is inserted into the first connector (101), the sealing ring (202) is placed in the V-shaped annular groove.

10. A gas exchange system according to claim 3, characterized in that, The air ducts (2) of different shapes adopt the same second connector (201) structure.

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