Cooling shoe sole

Abstract

The application relates to the field of shoe soles, in particular to a cooling shoe sole which comprises a shoe sole and a shoe upper, a sealed cavity is arranged in the shoe sole, a cooling piece is arranged in the sealed cavity, the cooling piece is filled with cooling liquid, the cooling piece is attached to the inner wall of the sealed cavity close to the wearer's foot, a liquid inlet is arranged on the cooling piece, the cooling piece penetrates the side wall of the shoe sole so that the liquid inlet is communicated with the outside of the shoe sole, and a sealing piece for sealing the liquid inlet is arranged on the shoe sole. The application has the effect of reducing the temperature of the wearer's foot.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of shoe soles, in particular to a cooling shoe sole. BACKGROUND

[0002] In other shoes outside sandals, in order to ensure the comfort of the wearer's foot and the stability of the shoes after wearing, the upper usually wraps the entire instep, and the sole is attached to the entire foot.

[0003] But when the weather temperature is high, the foot wrapped in the upper will affect the heat dissipation of the skin, so that the wearer's foot temperature is high, thereby affecting the wearing experience of the wearer. SUMMARY

[0004] In order to improve the problem that the wearer's foot temperature is high when the weather temperature is high, the present application provides a cooling shoe sole.

[0005] The present application provides a cooling shoe sole, which adopts the following technical scheme:

[0006] A cooling shoe sole, comprising a shoe sole and an upper, a sealed cavity is formed in the shoe sole, a cooling element is arranged in the sealed cavity, the cooling element is filled with cooling liquid, the cooling element is attached to the inner wall of the sealed cavity close to the wearer's foot, a liquid inlet is formed on the cooling element, the cooling element penetrates the side wall of the shoe sole to make the liquid inlet communicate with the outside of the shoe sole, and a sealing element is installed on the shoe sole to seal the liquid inlet.

[0007] By adopting the above technical scheme, the wearer can open the sealing element, and then pour the cooling liquid cooled by the refrigerator, freezer and the like into the liquid inlet, and then the cooling liquid enters the cooling element through the liquid inlet, and then the cooling element cools the side wall of the shoe sole close to the wearer's foot, so that the wearer can feel cool when wearing the shoe with the upper wrapped around the foot, and the comfort of the wearer is greatly improved.

[0008] Optionally, the cooling element is in the form of a pipe, the pipe-shaped cooling element extends in a spiral shape in the sealed cavity, the cross-sectional diameter of the cooling element is smaller than the cross-sectional thickness of the sealed cavity, and the distance between the side wall of the cooling element away from the upper and the inner wall of the sealed cavity away from the upper is smaller than the allowable deformation thickness distance of the sealed cavity.

[0009] By adopting the above technical scheme, the tubular cooling member in a spiral shape increases the space utilization of the cooling member in the sealed cavity, so that the sealed cavity can accommodate a longer cooling member, the volume of the cooling liquid in the cooling member is increased, the cooling effect of the cooling member on the wearer's feet is more effective and persistent, the area of the cooling member in contact with the inner wall of the sealed cavity is increased, and the cooling of the wearer's feet is more rapid; and the distance between the side wall of the cooling member away from the upper and the inner wall of the sealed cavity away from the upper is less than the allowable deformation thickness distance of the sealed cavity, so that when the wearer walks, the sealed cavity is deformed by the weight, and the cooling member still does not contact the side wall of the sealed cavity away from the upper, thereby reducing the probability of deformation of the cooling member caused by the extrusion of the two mutually facing inner walls of the sealed cavity, and protecting the cooling member.

[0010] Optionally, the cooling member located at the position of the instep and the heel is provided in a bag shape, the bag-shaped cooling member is attached to the inner wall of the sealed cavity for cooling the sole, the cross-sectional thickness of the cooling member is less than the cross-sectional thickness of the sealed cavity, and the distance between the side wall of the cooling member away from the upper and the inner wall of the sealed cavity away from the upper is greater than the allowable deformation thickness distance of the sealed cavity.

[0011] By adopting the above technical scheme, the deformation ability of the bag-shaped cooling member is much greater than that of the tubular cooling member, and the distance between the side wall of the cooling member away from the upper and the inner wall of the sealed cavity away from the upper is greater than the allowable deformation thickness distance of the sealed cavity, so that when the sealed cavity is deformed by the weight, the bag-shaped cooling member is extruded to support the inner wall of the sealed cavity, thereby improving the supporting ability of the sole, and the wearer can also feel the flow of the cooling liquid in the cooling member, thereby improving the foot feeling of the wearer and the comfort.

[0012] Optionally, a cooling sleeve is arranged on the cooling member, a cooling cavity is formed between the inner wall of the cooling sleeve and the outer wall of the cooling member, a water inlet pipe for water into the cooling cavity and an evaporation pipe for water in the cooling cavity to evaporate and dissipate heat are arranged on the cooling sleeve, and the water inlet pipe and the evaporation pipe both penetrate through the side wall of the sole to the outside.

[0013] By adopting the above technical scheme, when the cooling liquid in the cooling member gradually warms up when the wearer is outside for a long time, the wearer can inject water into the cooling cavity, the heat of the side wall of the cooling sleeve is taken away by the evaporation of water, thereby cooling the cooling member and the cooling liquid in the cooling member, so that the wearer's feet can be cooled for a longer time, and the duration of the cooling effect is greatly prolonged.

[0014] Optionally, the evaporation pipe extends from a position away from the upper to a position close to the upper of the cooling sleeve, and the vertex of the evaporation pipe is closer to the upper than the position of the cooling sleeve closest to the upper.

[0015] By adopting the above technical scheme, the sole is usually inclined forward and backward when the wearer walks, and it is difficult to be inclined left and right, so when the top of the evaporation pipe is closer to the upper than the position closest to the upper of the cooling sleeve, the water in the cooling sleeve will be difficult to flow to the outside through the top of the evaporation pipe, so that the water can evaporate out of the evaporation pipe, and it is difficult to flow out directly.

[0016] Optionally, the cooling sleeve is provided with an expansion sleeve, the expansion sleeve is filled with an expansion gas with a large expansion coefficient, the expansion sleeve is provided with a telescopic sleeve, the inside of the telescopic sleeve is in communication with the inside of the expansion sleeve, the outer wall of the cooling sleeve is provided with a telescopic groove, the telescopic groove is in communication with the inside of the evaporation pipe, the telescopic sleeve is provided with a sealing plate, the sealing plate slides in the telescopic groove, and the sealing plate is used to seal the opening of the evaporation pipe. The telescopic sleeve is inserted into the telescopic groove and expands and telescopes to push the sealing plate to slide and open the evaporation pipe.

[0017] By adopting the above technical scheme, when the cooling member rises in temperature after exchanging temperature with the cooling liquid and the wearer's foot, the temperature of the cooling sleeve rises, which drives the temperature of the expansion gas in the expansion sleeve to rise. The volume of the expansion gas increases with the rise in temperature. The expansion direction of the telescopic sleeve is limited by the telescopic groove, so that the telescopic sleeve expands to push the sealing plate to open the opening of the evaporation pipe, so that the water in the evaporation pipe starts to evaporate and dissipate heat, thereby realizing automatic start of evaporation to dissipate heat for the cooling member when the temperature rises. The wearer can fill the water in the evaporation pipe in advance at home, so that the evaporation pipe automatically starts to evaporate and dissipate heat when the temperature of the cooling member reaches the trigger threshold, which facilitates the operation of the wearer.

[0018] Optionally, the sealing member includes an inflation valve provided on the sole and used for liquid inlet, the inflation valve is provided with an inlet pipe and an outlet pipe arranged in a telescopic folding manner, the inlet pipe opening is provided with a sealing plug used for plugging the inlet pipe opening, a hollow switching ring is rotatably arranged in the sole, the inlet pipe is in communication with the outside of the sole, the outlet pipe is in communication with one end port of the switching ring, and the other end port of the switching ring is in communication with the liquid inlet or the water inlet pipe opening. The switching port and the liquid inlet or the water inlet pipe opening are switched in communication by rotating the inflation valve.

[0019] By adopting the above technical scheme, the inlet pipe is pulled out to facilitate the wearer to add water or cooling liquid, and the inlet pipe is rotated to drive the switching ring to rotate, so that the switching of the communication between the liquid inlet or the water inlet pipe is realized. The two channels of the liquid inlet and the water inlet pipe can be corresponded by one inlet pipe, the number of holes in the sole is reduced, the influence of the holes on the structural strength of the sole is reduced, and the structural strength of the sole is improved.

[0020] Optionally, the inflation valve is provided with a limiting ring, and a limiting groove is formed on the inner wall of the shoe sole. The limiting ring is inserted into and rotated in the limiting groove to limit the inflation valve from being pulled out of the shoe sole when the liquid inlet tube extends or retracts.

[0021] By adopting the above technical solution, the contact area between the inflation valve and the inner wall of the shoe sole is increased by using a limiting ring, which reduces the probability of leakage when the inflation valve and switching ring rotate. Similarly, the position of the inflation valve is limited by the limiting ring, which improves the stability of the inflation valve.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. The reduced coverage of the shoe upper around the wearer's feet makes it difficult for the feet to dissipate heat, which can cause the wearer to feel stuffy and sweaty, thus greatly improving the wearer's comfort.

[0024] 2. It can cool the wearer's feet for a longer period of time, greatly extending the duration of the cooling effect.

[0025] 3. The number of holes on the sole is reduced, which reduces the impact of holes on the structural strength of the sole and improves the structural strength of the sole. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of a cooling shoe sole in Embodiment 1 of this application.

[0027] Figure 2 This is a schematic diagram highlighting the cooling chamber.

[0028] Figure 3 It is along Figure 1 A cross-sectional view of line AA in the middle.

[0029] Figure 4 This is a schematic diagram of the overall structure of a cooling shoe sole in Embodiment 2 of this application.

[0030] Figure 5 It is along Figure 4 A cross-sectional view of the BB line.

[0031] Figure 6 This is a schematic diagram of the overall structure of a cooling shoe sole in Embodiment 3 of this application.

[0032] Figure 7 This is a cross-sectional schematic diagram highlighting the evaporation tube.

[0033] Figure 8 This is a schematic diagram highlighting the exploded structure of the switching ring.

[0034] Figure 9 It is alongFigure 7 A cross-sectional view of the CC line.

[0035] Figure 10 This is a structural diagram highlighting the telescopic sleeve and the sealing plate.

[0036] Figure 11 It is along Figure 6 A cross-sectional schematic diagram of the DD line.

[0037] Explanation of reference numerals in the attached drawings: 1. Shoe sole; 11. Sealing cavity; 2. Cooling component; 21. Liquid inlet; 22. Sealing component; 23. Cooling sleeve; 24. Cooling cavity; 3. Water inlet pipe; 31. Evaporation pipe; 32. Expansion sleeve; 33. Telescopic sleeve; 34. Telescopic groove; 341. Extension groove; 342. Relief groove; 35. Sealing plate; 4. Inflation valve; 41. Switching ring; 411. Liquid inlet pipe; 412. Liquid outlet pipe; 413. Sealing plug; 42. Limiting ring; 43. Limiting groove; 44. Mounting hole; 45. Sealing plate; 5. Inlet hole; 51. Outlet hole; 52. Switching hole. Detailed Implementation

[0038] The following is in conjunction with the appendix Figures 1-11 This application will be described in further detail.

[0039] Embodiment 1 of this application discloses a cooling shoe sole. (Refer to...) Figure 1 and Figure 2 and Figure 3 The cooling sole includes a sole 1 and an upper. A sealed cavity 11 is formed within the sole 1, and several support pillars are fixedly connected within the sealed cavity 11. The sealed cavity 11 is filled with inert gas, which, along with the support pillars, supports and rebounds the wearer's weight. A cooling element 2 is installed within the sealed cavity 11. In this embodiment, the cooling element 2 is tubular and filled with a coolant. The coolant is a liquid with a high specific heat capacity, and the cooling element 2 is fixedly attached to the inner wall of the sealed cavity 11 near the upper. An inlet 21 for liquid inlet is formed on the cooling element 2. The end of the cooling element 2 with the inlet 21 penetrates the side wall of the sole 1, allowing the inlet 21 to communicate with the outside of the sole 1. A sealing element 22 is installed on the sole 1 to seal the inlet 21. In this embodiment, the cooling element 2 is made of a rubber or resin material with good thermal conductivity and a relatively hard texture.

[0040] Reference Figure 2 and Figure 3The tubular cooling member 2 extends spirally, and the end of the cooling member 2 with the liquid inlet 21 is attached to the inner wall of the sealed cavity 11 near the side wall of the heel of the sole 1 and spirally extends to the center of the sealed cavity 11 of the sole 1, and the outer side walls of adjacent cooling members 2 are attached to each other. The thickness direction of the sole 1 is the thickness direction of the sealed cavity 11, and the height direction is the thickness direction of the sole 1 on the ground, that is, the thickness direction, the gravity direction and the height direction are parallel. The cross-sectional diameter of the cooling member 2 is smaller than the cross-sectional thickness of the sealed cavity 11, and the distance between the side wall of the cooling member 2 away from the upper and the inner wall of the sealed cavity 11 away from the upper is smaller than the allowable deformation thickness distance of the sealed cavity 11.

[0041] The implementation principle of the cooling sole in the embodiment of the application is that when the wearer is about to go out, the wearer opens the sealing member 22, and then pours the cooling liquid cooled by a refrigerator or the like into the cooling member 2 through the liquid inlet 21, so as to cool the sole 1 in contact with the wearer's foot bottom through the cooling member 2.

[0042] Embodiment 2:

[0043] Different from embodiment 1, referring to Figure 4 and Figure 5 , the cooling member 2 spirally extends from the liquid inlet 21 to the center of the sealed cavity 11, and the cooling member 2 at the position of the sole of the foot and the heel is bag-shaped, and the bag-shaped cooling member 2 is used to cool the sole 1 at the position of the sole of the foot and the heel, the cross-sectional thickness of the cooling member 2 is smaller than the cross-sectional thickness of the sealed cavity 11, and the distance between the side wall of the cooling member 2 away from the upper and the inner wall of the sealed cavity 11 away from the upper is greater than the allowable deformation thickness distance of the sealed cavity 11.

[0044] Embodiment 3:

[0045] Different from embodiment 1, referring to Figure 6 and Figure 7 and Figure 8 , the outermost side wall of the cooling member 2 is fixedly connected with a cooling sleeve 23, the inner side wall of the cooling sleeve 23 and the outermost side wall of the cooling member 2 form a cooling cavity 24, and the cooling cavity 24 surrounds the outermost side wall of the cooling member 2. The cooling sleeve 23 is fixedly connected with a water inlet pipe 3 for water inlet into the cooling cavity 24 and a plurality of evaporation pipes 31 for water evaporation in the cooling cavity 24, and the plurality of evaporation pipes 31 are uniformly distributed on the outer side wall of the cooling sleeve 23, but the evaporation pipes 31 are not arranged at the positions near the front end and the tail end of the sole 1. The water inlet pipe 3 and the cooling cavity 24 are in communication, the evaporation pipes 31 and the cooling cavity 24 are in communication, the water inlet pipe 3 and the evaporation pipes 31 penetrate the side wall of the sole 1 to the outside, and the height of the opening of the water inlet pipe 3 in communication with the outside of the sole 1 is greater than the highest point of the cooling cavity 24.

[0046] Referring to Figure 7The evaporation pipe 31 extends from the cooling sleeve 23 away from the upper towards the upper, meaning the end of the evaporation pipe 31 connects to the lowest point of the cooling cavity 24 away from the upper. The evaporation pipe 31 extends in a direction that gets closer to the upper the further away from the cooling cavity 24 it is, meaning it extends diagonally upward away from the cooling cavity 24, and the highest point of the evaporation pipe 31 is closer to the upper than the lowest point of the cooling sleeve 23. After passing the highest point, the evaporation pipe 31 extends in a direction that gets further away from the upper the further away from the cooling cavity 24 it is, meaning it bends diagonally downward and continues to extend out to the outside of the sole 1, and after bending, extends to a point where its height is equal to or lower than the lowest point of the cooling cavity 24.

[0047] Reference Figure 7 and Figure 9 An expansion sleeve 32 is fitted onto the cooling sleeve 23. The expansion sleeve 32 is filled with an expanding gas with a large expansion coefficient, that is, a gas whose volume changes significantly with temperature. Several telescopic sleeves 33 are fixedly connected to the expansion sleeve 32. The interior of the telescopic sleeves 33 is connected to the interior of the expansion sleeve 32. In this embodiment, the expansion sleeve 32 is made of a material with higher hardness than the telescopic sleeves 33, and the expansion sleeve 32 is less flexible than the telescopic sleeves 33. Both the expansion sleeve 32 and the telescopic sleeves 33 are made of rubber or resin.

[0048] Reference Figure 7 and Figure 9 Several expansion grooves 34 are provided on the outer wall of the cooling sleeve 23. The expansion grooves 34 correspond one-to-one with several evaporation tubes 31. The opening of the expansion groove 34 is located on the outer wall of the cooling sleeve 23. The expansion groove 34 extends from its own opening towards the cooling cavity 24, and then bends and extends into the evaporation tube 31. The expansion groove 34 is connected to the inside of the evaporation tube 31.

[0049] Reference Figure 7 and Figure 9 The telescopic sleeve 33 extends and retracts within the telescopic groove 34. A sealing plate 35 is fixedly connected to the end of the telescopic sleeve 33 near the evaporation pipe 31. The sealing plate 35 slides within the telescopic groove 34. The diameter of the sealing plate 35 is larger than the diameter of the internal space of the evaporation pipe 31. The sealing plate 35 is used to slide out from the telescopic groove 34 to seal the opening of the evaporation pipe 31. When the telescopic sleeve 33 is heated and expands, it pushes the sealing plate 35 from the evaporation pipe 31 into the telescopic groove 34 to open the opening of the evaporation pipe 31. When the telescopic sleeve 33 is cooled and shrinks, it pulls the sealing plate 35 back into the evaporation pipe 31 to close the opening of the evaporation pipe 31.

[0050] Reference Figure 9 and Figure 10, the telescopic slot 34 includes a telescopic slot 341 and a clearance slot 342, the telescopic slot 341 and the clearance slot 342 are located on both sides of the internal pipe space of the evaporation pipe 31 and are communicated with each other, the telescopic slot 341 is used for the telescopic sleeve 33 to be telescopic, the clearance slot 342 is used for the sealing plate 35 to be inserted and cleared, the cross-sectional diameter of the telescopic slot 341 is much smaller than the opening cross-sectional diameter of the evaporation pipe 31. The cross-sectional diameter of the telescopic sleeve 33 after expansion is much smaller than the cross-sectional diameter of the internal space of the evaporation pipe 31, the telescopic sleeve 33 points to the evaporation pipe 31 in the length direction from the telescopic slot 34, the hardness of the length direction side wall of the telescopic sleeve 33 is greater than that of the length direction end side wall of the telescopic sleeve 33, that is, the expansion promotes the expansion of the telescopic sleeve 33 in the length direction, and reduces the expansion of the telescopic sleeve 33 in the width direction.

[0051] With reference to Figure 8 With Figure 11 , the mounting hole 44 is arranged on the side wall of the sole 1 and penetrates the side wall of the sole 1 to the sealing cavity 11, the sealing element 22 includes an inflation valve 4 which rotates in the mounting hole 44 and is used for liquid inlet, the inflation valve 4 is located at the opening of the mounting hole 44 close to the outside of the sole 1, the inflation valve 4 is fixedly connected with a liquid inlet pipe 411 and a liquid outlet pipe 412, the liquid inlet pipe 411 can be sleeved into the inflation valve 4 through the telescopic folding of its own flexibility, or can be pulled out of the inflation valve 4, that is, pulled out of the outside of the mounting hole 44, and when the liquid inlet pipe 411 is collected in the inflation valve 4, the side wall of the liquid inlet pipe 411 will be folded in, and the side wall of the liquid inlet pipe 411 abuts and extrudes each other, sealing the opening of the liquid inlet pipe 411. The opening of the liquid inlet pipe 411 is plugged with a sealing plug 413, the sealing plug 413 is in interference fit with the inner wall of the opening of the liquid inlet pipe 411, and is used for plugging the opening of the liquid inlet pipe 411.

[0052] With reference to Figure 8 With Figure 11 , the end of the cooling element 2 with the liquid inlet 21 is inserted into the opening of the mounting hole 44 in the inside of the sole 1, and the end of the water inlet pipe 3 is also inserted into the opening of the mounting hole 44 in the inside of the sole 1, the side wall of the water inlet pipe 3, the side wall of the cooling element 2 and the inner wall of the mounting hole 44 are fitted, and there is no gap between the side walls.

[0053] With reference to Figure 8 With Figure 11, hollow switching ring 41 is also rotatably arranged in the mounting hole 44, the switching ring 41 is fixedly connected to the liquid outlet pipe 412 of the inflation valve 4, the liquid inlet pipe 411 is in communication with the outside of the sole 1, the liquid outlet pipe 412 is in communication with one end port of the switching ring 41, the other end port of the switching ring 41 is in communication with the opening of the mounting hole 44 close to the sealing cavity 11, and the liquid inlet port 21 and the opening of the water inlet pipe 3 are located in the opening of the mounting hole 44 close to the sealing cavity 11. The switching ring 41 is fixedly connected to the sealing plate 45 on the inner wall of the opening close to the sealing cavity 11, the cross-sectional diameter of the opening of the liquid inlet port 21 and the water inlet pipe 3 is equal, the opening shape of the switching ring 41 is sealed by the sealing plate 45 to be the same as the opening shape of the liquid inlet port 21, and the switching of the communication between the opening of the switching ring 41 and the liquid inlet port 21 or the opening of the water inlet pipe 3 is realized by rotating the inflation valve 4.

[0054] Referring to Figure 8 With Figure 11 , the mounting hole 44 includes the inlet hole 5, the outlet hole 51 and the switching hole 52 in communication, the inlet hole 5 is in communication with the outside of the sole 1, the outlet hole 51 is in communication with the sealing cavity 11, and the liquid inlet port 21 and the water inlet pipe 3 are located in the outlet hole 51, the switching hole 52 is located between the inlet hole 5 and the outlet hole 51, the cross-sectional diameter of the inlet hole 5 is equal to the cross-sectional diameter of the outlet hole 51, and the cross-sectional diameter of the switching hole 52 is greater than the cross-sectional diameter of the inlet hole 5. The outer side wall of the liquid inlet pipe 411 is rotatably attached to the inner wall of the inlet hole 5, the outer side wall of the inflation valve 4, the outer side wall of the liquid outlet pipe 412 and the outer side wall of the switching ring 41 are rotatably attached to the inner wall of the switching hole 52, and the outer side wall of the liquid inlet port 21 and the outer side wall of the water inlet pipe 3 are fixedly attached to the inner wall of the outlet hole 51.

[0055] Referring to Figure 8 With Figure 11 , the inflation valve 4 is fixedly connected with the limiting ring 42, and the limiting ring 42 is fixedly connected to the side wall of the inflation valve 4 facing the inlet hole 5 in a circumferential direction, and the limiting ring 42 is also fixedly connected to the side edge side wall of the inflation valve 4 in a length direction, the limiting groove 43 is arranged on the inner wall of the switching hole 52 away from the inlet hole 5, and the limiting groove 43 is also arranged on the inner wall of the switching hole 52 in a length direction, the limiting ring 42 is rotatably inserted into the limiting groove 43, and the side wall of the limiting ring 42 is attached to the inner wall of the limiting groove 43 to limit the inflation valve 4 from being pulled out of the sole 1 when the liquid inlet pipe 411 is stretched and contracted.

[0056] In this embodiment, the inflation valve 4, the switching ring 41, the liquid inlet pipe 411, the liquid outlet pipe 412, the sealing plug 413 and the limiting ring 42 are all made of flexible material, such as resin or rubber.

[0057] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A cooling shoe sole, comprising a sole (1) and an upper, characterized in that: The sole (1) has a sealed cavity (11) inside, and a cooling component (2) is provided inside the sealed cavity (11). The cooling component (2) is filled with coolant. The cooling component (2) is attached to the inner wall of the sealed cavity (11) near the wearer's foot. The cooling component (2) has an inlet (21) for liquid inlet. The cooling component (2) penetrates the side wall of the sole (1) so that the inlet (21) communicates with the outside of the sole (1). A sealing component (22) for sealing the inlet (21) is installed on the sole (1). The cooling element (2) is configured as a tube, and the tubular cooling element (2) extends spirally inside the sealing cavity (11). The cross-sectional diameter of the cooling element (2) is smaller than the cross-sectional thickness of the sealing cavity (11), and the distance between the side wall of the cooling element (2) away from the upper and the inner wall of the sealing cavity (11) away from the upper is smaller than the allowable deformation thickness distance of the sealing cavity (11). The cooling component (2) is provided with a cooling sleeve (23). The inner wall of the cooling sleeve (23) and the outer wall of the cooling component (2) form a cooling cavity (24). The cooling sleeve (23) is provided with a water inlet pipe (3) for water to enter the cooling cavity (24) and an evaporation pipe (31) for water in the cooling cavity (24) to evaporate and dissipate heat. Both the water inlet pipe (3) and the evaporation pipe (31) penetrate the side wall of the sole (1) to the outside.

2. The cooling shoe sole according to claim 1, characterized in that: The evaporation tube (31) extends from the cooling sleeve (23) away from the upper to the upper, and the apex of the evaporation tube (31) is closer to the upper than the position of the cooling sleeve (23) closest to the upper.

3. The cooling shoe sole according to claim 1, characterized in that: An expansion sleeve (32) is provided on the cooling sleeve (23). The expansion sleeve (32) is filled with an expansion gas with a large expansion coefficient. A telescopic sleeve (33) is provided on the expansion sleeve (32). The inside of the telescopic sleeve (33) is connected to the inside of the expansion sleeve (32). A telescopic groove (34) is provided on the outer wall of the cooling sleeve (23). The telescopic groove (34) is connected to the inside of the evaporation tube (31). A sealing plate (35) is provided on the telescopic sleeve (33). The sealing plate (35) slides in the telescopic groove (34). The sealing plate (35) is used to seal the opening of the evaporation tube (31). The telescopic sleeve (33) is inserted into the telescopic groove (34) and expands and contracts to push the sealing plate (35) to slide open the evaporation tube (31).

4. A cooling shoe sole according to claim 1, characterized in that: The sealing element (22) includes an inflation valve (4) disposed on the sole (1) for liquid inlet. The inflation valve (4) is provided with an inlet pipe (411) and an outlet pipe (412) that are telescopically folded. A sealing plug (413) for blocking the opening of the inlet pipe (411) is provided in the opening of the inlet pipe (411). A hollow switching ring (41) is rotatably disposed inside the sole (1). The inlet pipe (411) is connected to the outside of the sole (1). The outlet pipe (412) is connected to one end of the switching ring (41). The other end of the switching ring (41) is connected to the opening of the inlet port (21) or the water inlet pipe (3). The connection between the port of the switching ring (41) and the opening of the inlet port (21) or the water inlet pipe (3) is switched by rotating the inflation valve (4).

5. A cooling shoe sole according to claim 4, characterized in that: A limiting ring (42) is provided on the inflation valve (4), and a limiting groove (43) is provided on the inner wall of the shoe sole (1). The limiting ring (42) is inserted into and rotated in the limiting groove (43) to limit the extension and retraction of the liquid inlet pipe (411) so as to pull the inflation valve (4) out of the shoe sole (1).

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