CN215270890U - Sport shoe and insole system thereof - Google Patents
Sport shoe and insole system thereof Download PDFInfo
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- CN215270890U CN215270890U CN202121753447.8U CN202121753447U CN215270890U CN 215270890 U CN215270890 U CN 215270890U CN 202121753447 U CN202121753447 U CN 202121753447U CN 215270890 U CN215270890 U CN 215270890U
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Abstract
The utility model discloses a sports shoes and insole system thereof, insole system includes: the first midsole is made of a cushioning material; an outsole forming a cushioning space between the first midsole and the outsole; the elastic sheet is positioned in the buffer space and can elastically deform along the arrangement direction of the first midsole and the outsole; the spring plate is provided with a heel part positioned in a heel area of the insole system and a half sole part positioned in a half sole area of the insole system. The utility model provides a midsole system, in midsole system in the use, the bradyseism mode of first insole is the material bradyseism, and the bradyseism mode of shell fragment is the structure bradyseism, and, first insole and shell fragment homoenergetic absorb the impact force (the impact force along the array direction of outer sole and first insole) that comes from ground in the use at midsole system, through the combined action of structure bradyseism and material bradyseism, effectively improve the bradyseism performance and the resilience performance of insole structure.
Description
Technical Field
The utility model relates to a bradyseism resilience technical field, in particular to sports shoes and insole system thereof.
Background
Athletic shoes typically have a midsole structure between the sole of the foot and the ground, which primarily functions to reduce the impact, i.e., cushioning, of the wearer's foot on the ground. The midsole provides a reaction force, i.e., rebound, to the foot upon absorbing an impact.
The cushioning mode includes material cushioning, structural cushioning and the like. The material cushioning is usually made of foamed elastomer material (such as foamed EVA, ETPU, Pebax, etc.) to make the midsole structure, and the cushioning is performed through the elasticity of the material itself. Structural cushioning is the absorption of impact from the ground by deformation of the midsole structure.
Along with the increase of the requirement of people on comfort level, the requirements of the cushioning performance and the rebound performance of the midsole structure are increased.
Therefore, how to improve the cushioning performance and the resilience performance of the midsole structure is a problem to be urgently solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a midsole system to improve insole structure's bradyseism performance and resilience performance. The utility model also provides a sports shoe.
In order to achieve the above object, the utility model provides a following technical scheme:
a midsole system comprising:
the first midsole is made of a cushioning material;
an outsole forming a cushioning space between the first midsole and the outsole;
the elastic sheet is positioned in the buffer space and can elastically deform along the arrangement direction of the first midsole and the outsole; the spring plate is provided with a heel part positioned in a heel area of the insole system and a half sole part positioned in a half sole area of the insole system.
Optionally, the midsole system further comprises a lateral support plate for providing a lateral support force, the lateral support plate being in supporting connection with the first midsole and the outsole;
the lateral support piece is disposed outboard of the first midsole and the outsole; or, the lateral support sheet is disposed medial to the first midsole and the outsole; or, the lateral support piece includes a first lateral support piece and a second lateral support piece, the first lateral support piece is disposed at the outer side of the first midsole and the outsole, and the second lateral support piece is disposed at the inner side of the first midsole and the outsole.
Optionally, in the midsole system, the elastic piece has a first matching structure, and the first midsole has a second matching structure;
the first matching structure is in concave-convex matching with the second matching structure;
the first matching structure is a front side through hole penetrating through the elastic sheet;
the second matching structure is a front side columnar structure which is integrally arranged with the first middle sole;
under the natural state, the front side columnar structure penetrates into the front side through hole, and the end part of the front side columnar structure penetrating into the front side through hole is suspended.
Optionally, the midsole system further comprises a heel cushioning midsole structure located in a heel region of the midsole system;
the heel buffering midsole structure is positioned in the buffering space;
the heel cushioning midsole structure comprises: a second midsole and a third midsole;
the second midsole is provided with a third matching structure, and the third midsole is provided with a fourth matching structure;
the third matching structure is in concave-convex matching with the fourth matching structure;
the second midsole and the third midsole are both made of shock absorption materials; the third midsole is located between the second midsole and the outsole.
Optionally, in the midsole system, the third fitting structure is a midsole through hole penetrating through the second midsole;
the fourth matching structure is a rear side columnar structure which is integrally arranged with the fourth matching structure, and the fourth matching structure penetrates into the middle sole through hole;
the elastic sheet is provided with a rear side through hole penetrating through the elastic sheet;
in a natural state, the rear side columnar structure penetrates through the middle sole through hole and penetrates into the rear side through hole; the rear side columnar structure penetrates through the end part of the rear side through hole to be suspended.
Optionally, the midsole system further includes a midfoot stabilizer, and the midfoot stabilizer is disposed on a surface of the outsole facing the resilient plate.
Optionally, in the midsole system, the heel portion includes an upper heel spring layer close to the first midsole, a lower heel spring layer close to the outsole, and a rear connecting layer connecting the upper heel spring layer and one end of the lower heel spring layer away from the half sole portion;
the half sole part comprises an upper front heel spring layer close to the first midsole, a lower front heel spring layer close to the outsole and a front side connecting layer which connects the upper front heel spring layer and one end, far away from the heel part, of the lower front heel spring layer.
Optionally, in the midsole system, the lower heel spring plate layer and the upper front heel spring plate layer are located on the same plane;
or the upper heel elastic sheet layer, the rear side connecting layer, the lower heel elastic sheet layer, the lower front heel elastic sheet layer, the front side connecting layer and the upper front heel elastic sheet layer are of an integrated structure.
Optionally, in the midsole system, the spring plate further includes:
an elastic support member disposed between the upper heel spring plate layer and the lower heel spring plate layer;
and/or the elastic supporting piece is arranged between the lower front heel elastic sheet layer and the lower front heel elastic sheet layer.
The utility model also provides a sports shoe, including the insole system, the insole system be as above-mentioned arbitrary insole system.
According to the above technical scheme, the utility model provides a midsole system is through adopting the bradyseism material preparation with first insole for its forming material bradyseism part, and, shell fragment self has elasticity, realizes the effect of bradyseism through the elastic deformation of shell fragment self, and the shell fragment has formed structure bradyseism part. Since the elastic piece can be elastically deformed in the arrangement direction of the first midsole and the outsole, an impact force from the ground (the impact force directed from the outsole toward the first midsole) can be absorbed by the elastic deformation of the elastic piece; the first midsole is also subjected to an impact force from the ground (similarly, the impact force is directed from the outsole toward the first midsole), and the direction of elastic deformation of the shock absorbing fragment coincides with the direction in which the first midsole absorbs the impact force. Therefore, in the insole system use, the bradyseism mode of first insole is the material bradyseism, and the bradyseism mode of shell fragment is the structure bradyseism to, first insole and shell fragment homoenergetic absorb the impact force (the impact force along the array direction of outsole and first insole) that comes from ground in the insole system use, through the combined action of structure bradyseism and material bradyseism, have effectively improved the bradyseism performance and the resilience performance of insole structure.
The utility model also provides a sports shoe, including the insole system, the insole system is as above-mentioned arbitrary insole system. Because the above-mentioned midsole system has the above-mentioned technical effects, the sports shoes having the above-mentioned midsole system should also have the same technical effects, which are not described one by one and are all within the protection scope.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a first exploded isometric view of a midsole system according to an embodiment of the present invention;
fig. 2 is an exploded front view schematic diagram of a midsole system according to an embodiment of the present invention;
fig. 3 is a second exploded isometric view of a midsole system according to an embodiment of the present invention;
fig. 4 is a schematic view of a front view structure of a spring plate according to an embodiment of the present invention;
fig. 5 is a schematic axial side structure view of the elastic sheet according to the embodiment of the present invention.
Detailed Description
The utility model discloses a midsole system to improve the bradyseism performance and the resilience performance of insole structure. The utility model also provides a sports shoe.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, an embodiment of the present invention provides a midsole system, which includes a first midsole 2, an outsole 7, and a resilient sheet 1. The first middle sole 2 is made of cushioning materials; a buffer space is formed between the first midsole 2 and the outsole 7; the elastic sheet 1 is positioned in the buffer space, and the elastic sheet 1 can elastically deform along the arrangement direction of the first midsole 2 and the outsole 7; the spring plate 1 has a heel portion 12 in the heel area of the midsole system and a forefoot portion 11 in the forefoot area of the midsole system.
The embodiment of the utility model provides a insole system is through adopting the bradyseism material preparation with first insole 2 for it forms material bradyseism part, and, shell fragment 1 self has elasticity, realizes the effect of bradyseism through the elastic deformation of shell fragment 1 self, and shell fragment 1 has formed structure bradyseism part. Since the resilient piece 1 is elastically deformable in the arrangement direction of the first midsole 2 and the outsole 7, an impact force from the ground (the impact force directed from the outsole 7 toward the first midsole 2) can be absorbed by the elastic deformation of the resilient piece 1; the first midsole 2 is also subjected to an impact force from the ground (similarly, the impact force is directed from the outsole 7 toward the first midsole 2), and the direction of elastic deformation of the shock-absorbing shell 1 matches the direction in which the first midsole 2 absorbs the impact force. Consequently, in insole system in the use, the bradyseism mode of first insole 2 is the material bradyseism, and the bradyseism mode of shell fragment 1 is the structure bradyseism, and first insole 2 and shell fragment 1 homoenergetic absorb the impact force (the impact force along the array direction of outsole 7 and first insole 2) that comes from ground in insole system in the use, through the combined action of structure bradyseism and material bradyseism, have effectively improved the bradyseism performance and the resilience performance of insole structure.
It will be appreciated that the outsole 7 functions to provide traction, and that the outsole 7 may also be made to provide some lateral support.
Further, a lateral support sheet 6 for providing lateral support force is also included. By providing the lateral support pieces 6, deformation of the entire midsole system can be suppressed. The position at which the lateral support piece 6 is disposed is not particularly limited. The lateral support piece 6 is in supporting connection with the first midsole 2 and the outsole 7.
In a first embodiment, the lateral support piece 6 is arranged on the outer side of the first midsole 2 and the outsole 7. The outsides of the first midsole 2 and the outsole 7 are outsides of the sports shoes, namely, the sides of the two sports shoes which are far away from each other in a normal wearing state.
In a second embodiment, the lateral support piece 6 is arranged inside the first midsole 2 and the outsole 7. The inner sides of the first midsole 2 and the outsole 7 are inner sides of sports shoes, namely, the sides of the two sports shoes which are close to each other in a normal wearing state.
In the third embodiment, the lateral support pieces 6 include a first lateral support piece disposed on the outer side of the first midsole 2 and the outsole 7 and a second lateral support piece disposed on the inner side of the first midsole 2 and the outsole 7.
It will be appreciated that the number of lateral support pieces 6 may be two, so as to be symmetrically arranged on both sides of the midsole system; a lateral support sheet 6 may also be provided such that the lateral support sheet 6 is positioned on the lateral side of the midsole system (i.e., the midsole system is positioned on the opposite side of the feet).
In this embodiment, the lateral support plate 6 is disposed outside the first midsole 2 and the outsole 7, and the lateral support plate 6 is bonded to the first midsole 2 and the outsole 7.
In order to improve the structural stability, the elastic sheet 1 is provided with a first matching structure, and the first midsole 2 is provided with a second matching structure; the first matching structure is matched with the second matching structure in a concave-convex mode.
Further, the first matching structure is a front through hole 112 penetrating through the elastic sheet 1; the second matching structure is a front side columnar structure which is integrally arranged with the first middle sole 2; in a natural state, the front pillar structure penetrates into the front through hole 112, and the end of the front pillar structure penetrating into the front through hole 112 is suspended. In this embodiment, one surface of the elastic sheet 1 facing the first midsole 2 is bonded to the first midsole 2. In this embodiment, the number of the front side through holes 112 is two and the front side through holes are symmetrically arranged.
Wherein, the natural state is the state that the insole system is not impacted and the treading force of the feet of the human body is not applied.
When the midsole system is in a state of being subjected to impact force and human foot pedaling force, the end of the front pillar structure penetrating into the front through hole 112 may contact the outsole 7. Of course, it may not be in contact with the outsole 7.
Preferably, a positioning protrusion 111 is further disposed between the two front side through holes 112 that are symmetrically disposed, and a groove that is matched with the positioning protrusion 111 is disposed on a surface of the first midsole 2 facing the spring plate 1. So as to further improve the positioning effect.
The utility model provides a midsole system, which also comprises a heel buffer midsole structure positioned in the heel area of the midsole system; the heel buffering midsole structure is positioned in the buffering space.
In order to improve the buffering effect, the heel buffering insole structure comprises: a second midsole 3 and a third midsole 4; the second midsole 3 is provided with a third matching structure, and the third midsole 4 is provided with a fourth matching structure; the third matching structure is in concave-convex matching with the fourth matching structure; the second midsole 3 and the third midsole 4 are made of cushioning materials; the third midsole 4 is located between the second midsole 3 and the outsole 7.
In this embodiment, one surface of the second midsole 3 facing the spring plate 1 is bonded to the spring plate 1 and the first midsole 2. The surface of the third midsole 4 facing the second midsole 3 is bonded to the second midsole 3.
For the sake of stability improvement, the third fitting structure is a midsole through hole penetrating the second midsole 3; the fourth cooperation structure is a rear side columnar structure integrally arranged with the fourth cooperation structure, and the fourth cooperation structure penetrates into the middle sole through hole.
In order to further improve the stability, the elastic sheet 1 has a rear through hole 121 penetrating therethrough; in a natural state, the rear side columnar structure penetrates through the midsole through hole and penetrates through the rear side through hole 121; the rear pillar structure penetrates the end of the rear through hole 121 to be suspended.
Wherein, the natural state is the state that the insole system is not impacted and the treading force of the feet of the human body is not applied.
When the midsole system is under the impact force and the pedaling force of the human foot, the end of the rear pillar structure penetrating into the rear through hole 121 may contact the first midsole 2. Of course, it may also be possible that there is no contact with the first mid-sole 2.
Of course, other concave-convex matching structures can be adopted, for example, the elastic sheet 1 is provided with positioning columns, and the first midsole 2, the second midsole 3 and the third midsole 4 are provided with positioning holes.
The embodiment of the utility model provides an in the insole system, still including in the foot stabilizer blade 5, in the foot stabilizer blade 5 set up in the one side of outer sole 7 towards shell fragment 1.
In this embodiment, the foot stabilizing sheet 5 is bonded to the spring plate 1, the third midsole 4 and the second midsole 3. Through the connection, the overall structural stability is effectively improved.
The midsole system can be bonded in sequence from top to bottom during the assembly process, that is, the bonding sequence is as follows: the first insole 2 is bonded with the elastic sheet 1, the second insole 3 is bonded with the elastic sheet 1 and the first insole 2, the third insole 4 is bonded with the second insole 3, the foot middle stabilizing sheet 5 is bonded with the elastic sheet 1, the third insole 4 and the second insole 3, the lateral support sheet 6 is bonded with the first insole 2, and the outsole 7 is bonded with the first insole 2, (the elastic sheet 1), the second insole 3, the third insole 4, the foot middle stabilizing sheet 5 and the lateral support sheet 6.
When the insole is worn, the actions of the whole insole system are divided into five motion states of falling of the heel to the ground, transition to the half sole, bottoming of the half sole, liftoff of the heel and liftoff of the half sole, and the specific buffer process of the insole system is as follows:
1. when the heel falls to the ground, the force applied by the foot root of the human body acts on the first insole 2, the elastic sheet 1, the third insole 4 and the second insole 3 in sequence, and the first insole 2, the elastic sheet 1, the third insole 4 and the second insole 3 generate elastic deformation to absorb impact.
2. When the foot is excessive to the half sole, the middle part of the elastic sheet 1 and the foot middle stabilizing sheet 5 provide certain rigid support, maintain the stability of the foot of the human body and ensure smooth transition.
3. When the half sole lands on the ground, the half sole of the human body sequentially steps on the first insole 2 and the elastic sheet 1, so that the first insole 2 and the elastic sheet 1 generate elastic deformation to absorb impact. At this time, the side support pieces 6 are deformed to some extent to suppress compression of the forefoot of the human body.
4. When the heel leaves the ground, the third insole 4, the second insole 3, the elastic sheet 1 and the first insole 2 recover to deform, and certain resilience is provided for the foot root of the human body.
5. When the half sole is lifted off the ground, the second midsole 3, the elastic sheet 1 and the lateral support sheet 6 recover to deform and provide resilience.
As shown in fig. 4 and 5, the specific structure of the spring plate 1 is as follows:
the heel part 12 comprises an upper heel elastic sheet layer close to the first midsole 2, a lower heel elastic sheet layer close to the outsole 7 and a rear side connecting layer for connecting the upper heel elastic sheet layer and one end of the lower heel elastic sheet layer far away from the half sole part 11; the half sole part 11 comprises an upper front heel spring layer close to the first midsole 2, a lower front heel spring layer close to the outsole 7, and a front side connecting layer connecting the upper front heel spring layer and one end of the lower front heel spring layer far away from the heel part 12.
Therefore, the heel portion 12 and the sole portion 11 are independent from each other to form a shock absorbing structure, and the heel portion 12 and the sole portion 11 can be made to be of an integral structure.
When the insole is worn, the actions of the whole insole system are divided into five motion states, namely, the heel falls to the ground, the heel is transited to the half sole, the half sole is worn at the bottom, the heel is lifted off, and the half sole is lifted off. In order to further improve the comfort degree, the lower heel elastic sheet layer and the upper front heel elastic sheet layer are positioned on the same plane. I.e. the heel portion 12 is higher than the forefoot portion 11.
Furthermore, the spring plate 1 further comprises an elastic support part 13 arranged between the upper heel spring plate layer and the lower heel spring plate layer. Through the arrangement, the upper heel elastic sheet layer and the lower heel elastic sheet layer are supported, and the elastic restoring force of the elastic sheet 1 is further ensured. In this embodiment, the elastic supporting member 13 may be a spring, a circular tube, or the like.
It is also possible that the striking plate 1 further comprises an elastic support 13 disposed between the lower front heel striking plate layer and the lower front heel striking plate layer. As above, the elastic restoring force of the spring plate 1 is further ensured.
For the convenience of processing and improving the resilience effect of the elastic sheet 1, the upper heel elastic sheet layer, the rear side connecting layer, the lower heel elastic sheet layer, the lower part front elastic sheet layer, the front side connecting layer and the upper part front elastic sheet layer are of an integral structure.
The embodiment of the utility model provides a sports shoes is still provided, including the insole system, the insole system is as above-mentioned any kind of insole system. Because the above-mentioned midsole system has the above-mentioned technical effects, the sports shoes having the above-mentioned midsole system should also have the same technical effects, which are not described one by one and are all within the protection scope.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A midsole system, comprising:
the first midsole (2), the first midsole (2) is made of cushioning materials;
an outsole (7), a buffer space being formed between the first midsole (2) and the outsole (7);
the elastic sheet (1) is positioned in the buffer space, and the elastic sheet (1) can elastically deform along the arrangement direction of the first midsole (2) and the outsole (7); the spring plate (1) is provided with a heel part (12) located in a heel area of the insole system and a half sole part (11) located in a half sole area of the insole system.
2. The midsole system according to claim 1, further comprising a lateral support plate (6) for providing a lateral support force, said lateral support plate (6) being in supporting connection with said first midsole (2) and said outsole (7);
the lateral support piece (6) is arranged outside the first mid-sole (2) and the outer sole (7); or, the lateral support sheet (6) is arranged inside the first mid-sole (2) and the outer sole (7); or, the lateral support pieces (6) comprise a first lateral support piece and a second lateral support piece, the first lateral support piece is arranged at the outer side of the first midsole (2) and the outsole (7), and the second lateral support piece is arranged at the inner side of the first midsole (2) and the outsole (7).
3. The midsole system according to claim 1, wherein said spring plate (1) has a first mating structure thereon, and said first midsole (2) has a second mating structure thereon;
the first matching structure is in concave-convex matching with the second matching structure;
the first matching structure is a front side through hole (112) penetrating through the elastic sheet (1);
the second matching structure is a front side columnar structure which is integrally arranged with the first middle sole (2);
in a natural state, the front side columnar structure penetrates into the front side through hole (112), and the end part of the front side columnar structure penetrating into the front side through hole (112) is suspended.
4. The midsole system of claim 1, further comprising a heel cushioning midsole structure located in a heel region of the midsole system;
the heel buffering midsole structure is positioned in the buffering space;
the heel cushioning midsole structure comprises: a second midsole (3) and a third midsole (4);
the second midsole (3) is provided with a third matching structure, and the third midsole (4) is provided with a fourth matching structure;
the third matching structure is in concave-convex matching with the fourth matching structure;
the second midsole (3) and the third midsole (4) are both made of cushioning materials; the third mid-sole (4) is located between the second mid-sole (3) and the outsole (7).
5. The midsole system according to claim 4, characterized in that said third cooperating structure is a midsole through hole passing through said second midsole (3);
the fourth matching structure is a rear side columnar structure which is integrally arranged with the fourth matching structure, and the fourth matching structure penetrates into the middle sole through hole; the elastic sheet (1) is provided with a rear side through hole (121) penetrating through the elastic sheet;
in a natural state, the rear side columnar structure penetrates through the midsole through hole and penetrates through the rear side through hole (121); the rear side columnar structure penetrates through the end part of the rear side through hole (121) and is suspended.
6. The midsole system according to claim 1, further comprising a midfoot stabilizer (5), said midfoot stabilizer (5) being disposed on a side of said outsole (7) facing said spring (1).
7. The midsole system according to any one of claims 1 to 6,
the heel part (12) comprises an upper heel spring sheet layer close to the first midsole (2), a lower heel spring sheet layer close to the outsole (7) and a rear side connecting layer for connecting the upper heel spring sheet layer and one end of the lower heel spring sheet layer far away from the half sole part (11);
the half sole part (11) comprises an upper front heel spring sheet layer close to the first midsole (2), a lower front heel spring sheet layer close to the outsole (7) and a front side connecting layer which connects the upper front heel spring sheet layer and one end, far away from the heel part (12), of the lower front heel spring sheet layer.
8. The midsole system of claim 7, wherein the lower heel strike layer and the upper heel strike layer are in a same plane;
or the upper heel elastic sheet layer, the rear side connecting layer, the lower heel elastic sheet layer, the lower front heel elastic sheet layer, the front side connecting layer and the upper front heel elastic sheet layer are of an integrated structure.
9. The midsole system according to claim 7, characterized in that said spring plate (1) further comprises:
an elastic support member (13) disposed between the upper heel strike plate layer and the lower heel strike plate layer;
and/or an elastic support member (13) arranged between the lower front heel spring plate layer and the lower front heel spring plate layer.
10. An athletic shoe comprising a midsole system, wherein the midsole system is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121753447.8U CN215270890U (en) | 2021-07-29 | 2021-07-29 | Sport shoe and insole system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121753447.8U CN215270890U (en) | 2021-07-29 | 2021-07-29 | Sport shoe and insole system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215270890U true CN215270890U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121753447.8U Active CN215270890U (en) | 2021-07-29 | 2021-07-29 | Sport shoe and insole system thereof |
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| Country | Link |
|---|---|
| CN (1) | CN215270890U (en) |
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2021
- 2021-07-29 CN CN202121753447.8U patent/CN215270890U/en active Active
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