Sole with carbon rod and shoe

Abstract

The invention discloses a sole with carbon rods and shoes, which comprises a foamed sole plate for foot support, the sole plate comprises an upper plate, a middle plate and a ground plate from top to bottom, two carbon rods are embedded in the middle of the upper plate, and the bottom of the upper plate is positioned and inserted into the middle plate, the carbon rods are detachably inserted and glued in the middle of the middle plate, the carbon rods are elastically supported in the middle foot part of the sole plate, and the carbon rods can be replaced when broken; the shoes made of the sole with carbon rods comprise a shoe body, the shoe body comprises a vamp, the bottom edge of the vamp is connected to the edge of the middle plate through line sewing, the upper plate is located in the inner bottom of the shoe body, and the inner bottom of the shoe body limits and clamps the upper plate. The sole plate is designed to comprise the upper plate, the middle plate and the ground plate from top to bottom, the bottom of the upper plate is designed with the plug-in plate with carbon rods for easy insertion and disassembly, and the carbon fiber structure is used, the carbon rods have high elasticity, so as to elastically support the middle foot part on the sole plate.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of shoes, in particular to a shoe sole with carbon rods, and a shoe made of the shoe sole with carbon rods. BACKGROUND

[0002] Sports shoes are designed and manufactured according to the characteristics of people participating in sports or tourism. The soles of sports shoes are different from those of ordinary leather shoes or rubber shoes. They are generally soft and elastic, and can provide a certain buffering effect. During sports, they can enhance elasticity and prevent ankle injuries. Therefore, sports shoes are generally worn during physical activities, especially high-intensity physical activities such as basketball and running.

[0003] At present, sports shoes generally use carbon fiber plates to provide elastic support for the shoe body. However, this method has the disadvantage of poor support for the middle foot part. Therefore, carbon rod type sports shoes have appeared. However, the carbon fiber elastic support part is prone to damage inside the shoe sole, which cannot be repaired by individuals, and the sports performance of the shoe decreases linearly. At the same time, sports shoes with carbon fiber elastic support parts are relatively expensive, which causes the consumer to suffer a large economic loss when the carbon fiber elastic support part is damaged.

[0004] Therefore, we provide a shoe sole with carbon rods to solve the above problems. SUMMARY

[0005] The present application aims to provide a shoe sole with carbon rods to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical solution: a shoe sole with carbon rods, comprising a foamed shoe sole plate for foot support, the shoe sole plate comprises an upper plate, a middle plate and a ground plate from top to bottom, two carbon rods are embedded in the middle part of the upper plate, and the bottom of the upper plate is positioned and inserted into the middle plate, the carbon rods are detachably inserted and glued into the middle part of the middle plate, and the carbon rods are elastically supported in the middle foot part of the shoe sole plate, and the carbon rods can be replaced after breaking;

[0007] The upper plate comprises a foot plate, the upper surface of the foot plate contacts the instep, and the middle part of the bottom surface of the foot plate is integrally provided with an insertion plate, two symmetrically arranged carbon rods are embedded in the middle part of the plate body of the insertion plate, and the end of each carbon rod protrudes from the surface of the insertion plate, a insertion slot is formed in the middle part of the middle plate corresponding to the insertion plate, an insertion hole is formed in the side wall of the insertion slot corresponding to the carbon rod, and the bottom of the insertion plate is positioned and inserted into the insertion slot, and the two ends of each carbon rod are detachably inserted into the insertion hole;

[0008] The first through hole is provided on the bottom of the plug-in plate corresponding to each carbon rod, and the mouth of the first through hole does not exceed the bottom surface of the plug-in plate, the middle part of each carbon rod is exposed to the outside through the first through hole below, and the liquid guide channel is provided on the middle part of each carbon rod to both ends, the glue injection port is provided on the middle part of each carbon rod below the exposed section, and the ring-shaped liquid guide groove is provided inside the carbon rod, the bottom of the liquid guide groove is connected with the liquid guide channel, and the glue outlet is provided on one side of the liquid guide groove facing the inner bottom surface of the slot.

[0009] The second through hole is provided on the bottom plate corresponding to each first through hole, and when the bottom plate is glued to the bottom of the middle plate, the glue injection port is exposed to the outside through the first through hole and the second through hole.

[0010] As an optional solution of the shoe sole with carbon rods, the carbon rod is provided as a straight column structure, the outer part of the carbon rod includes a hollow tubular carbon tube, a plurality of carbon strips in a silk shape are filled in the carbon tube, and a resin adhesive layer in a glue shape is filled in the carbon tube, the resin adhesive layer is filled between the carbon strips and solidified, and the whole forms a solidified carbon rod, and the carbon tube and the carbon strip are made of carbon fiber.

[0011] As an optional solution of the shoe sole with carbon rods, the plug-in plate is provided as a rectangular block structure, and the plug-in slot is provided as a rectangular groove in cooperation with the plug-in plate.

[0012] As an optional solution of the shoe sole with carbon rods, the plug-in hole includes the slot and the rod slot from the inner wall of the plug-in slot to the middle plate in sequence, the slot and the rod slot are both provided as round hole slots, and the inner diameter of the slot is greater than that of the rod slot.

[0013] As an optional solution of the shoe sole with carbon rods, the two ends of the carbon rod protruding from the plug-in plate are fixedly sleeved with annular plastic plates, the thickness of the plate is less than or equal to 5 mm, the plate body is inserted and received in the slot, and the end surface of the plate is hidden and received in the slot without protruding, and the end part of the carbon rod is inserted into the rod slot.

[0014] As an optional solution of the shoe sole with carbon rods, a plurality of arc-shaped clamping rings are arranged on the two ends of each carbon tube protruding from the plug-in plate at equal intervals, a clamping groove is provided in the rod slot corresponding to each clamping ring, and when the carbon tube is inserted into the rod slot, the ring body of the clamping ring is clamped in the clamping groove.

[0015] As an optional solution of the shoe sole with carbon rods, the liquid guide channel is formed in the rod after solidification and molding, and the inner diameter of the liquid guide channel is less than half of the diameter of the carbon rod.

[0016] As an optional solution of the shoe sole with carbon rod, when the glue injection port injects glue, the glue enters the liquid guide groove through the liquid guide channel, the liquid guide groove discharges the glue through the glue injection port, and the glue bonds the pad and the pad groove.

[0017] A shoe made of the shoe sole with carbon rod, comprising a shoe body, the shoe body comprises a shoe upper, the bottom edge of the shoe upper is connected to the edge of the middle plate through a line seam, the upper plate is located on the inner bottom of the shoe body, and the inner bottom of the shoe body limits the clamping of the upper plate.

[0018] As an optional solution of the shoe, the inner side of the edge of the shoe upper is fixedly connected with a cover plate matched with the upper plate, the cover plate is provided as a foamed shoe plate, the edge of the upper plate is provided with a pressing groove at a position corresponding to the cover plate, the plate body of the cover plate is inserted into the pressing groove, and the top surface of the cover plate is flush with the top surface of the upper plate without protruding.

[0019] Compared with the prior art, the present application has the following advantages:

[0020] 1. The shoe sole plate is composed of an upper plate, a middle plate and a ground plate from top to bottom. The upper plate is designed with a carbon rod inserted plate at the bottom, and the carbon rod protrudes from both ends of the inserted plate. The protruding end is designed with a pad and a clasp. The middle plate is provided with corresponding slot holes in the middle, so that the carbon rod rod end is inserted and matched with the pad groove, the rod end with the clasp is inserted and clamped with the rod groove with the clasp slot, and the inserted plate is inserted into the insertion slot. With the help of the inserted and clamped carbon rod, the inserted plate is stably embedded in the insertion slot. The carbon rod is designed to include a carbon tube containing a carbon strip, which is filled and solidified by a resin bonding layer. The carbon rod has high elasticity due to the carbon fiber structure, so as to provide elastic support for the midfoot part of the shoe sole plate.

[0021] 2. At the same time, the carbon rod is provided with a liquid guide channel for glue injection, and the pad is provided with a liquid guide groove and a glue injection port connected with the liquid guide channel. The bottom of the inserted plate of the upper plate and the bottom plate at the bottom are provided with a through port connected with the outside corresponding to the middle part of the carbon rod. The glue injection port in the middle part of the carbon rod can directly inject glue, so as to glue the pad to the pad groove, so as to reinforce the connection of the upper plate to a certain extent, and to strengthen the stable deformation support of the shoe sole plate during the movement of each plate body.

[0022] The above design, the overall structure of the upper plate is inserted and glued on the middle plate. The upper plate can be pulled out to replace a new upper plate, and the step of re-inserting and gluing can be easily replaced by the user alone, so as to continue to use the sports shoes with high performance, improve the problem that the carbon fiber elastic support cannot be replaced after breaking in the prior art, and improve the economic burden of the user to purchase again.

[0023] 3、The vamp line joint on the shoe body is connected to the edge of the middle plate, the upper plate is pressed on the plate, when the shoe body deforms in the movement, the middle plate of the sole plate is pulled by the vamp, the upper plate of the plate is limited by the foot, and then deforms under the stress, so that the whole sole plate can be elastically supported in cooperation, the carbon rod is assisted, the stable elastic support of the middle part is effectively carried out, and the use effect is strong.

[0024] 4、The upper plate is limited and installed in the shoe body through the four peripheral edges and the middle part, the upper plate is limited and installed in the shoe body, the movement of the upper plate in the shoe body is reduced, the foot is contacted, the middle support of the sole plate is stably carried out during the movement. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is an explosion structure schematic view of the sole plate of the application;

[0026] Figure 2 It is a local section structure schematic view of the connection relationship of the carbon rod;

[0027] Figure 3 It is a local structure schematic view of the carbon rod;

[0028] Figure 4 It is a local section structure schematic view of the middle plate;

[0029] Figure 5 It is a main view structure schematic view of the application;

[0030] Figure 6 It is a section structure schematic view of the shoe body.

[0031] In the drawing: 1, sole plate; 2, middle plate; 201, slot; 202, insertion hole; 2021, sticking groove; 2022, rod groove; 2023, clamping groove; 3, bottom plate; 301, second through hole; 4, upper plate; 401, foot plate; 402, insertion plate; 403, carbon rod; 4031, carbon pipe; 4032, carbon strip; 4033, resin bonding layer; 4034, glue injection port; 4035, liquid guide cavity; 404, first through hole; 405, clamping ring; 406, sticking plate; 4061, liquid guide groove; 4062, glue outlet; 5, shoe body; 501, vamp; 502, cover plate; 503, pressing groove. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0033] Please refer to Figures 1-6 The present application provides a technical solution: a shoe sole with carbon rods and shoes, including a foamed shoe sole plate 1 for foot support, the shoe sole plate 1 includes an upper plate 4, a middle plate 2 and a ground plate 3 from top to bottom, two carbon rods 403 are embedded in the middle of the upper plate 4, and the bottom of the upper plate 4 is positioned and inserted into the middle plate 2, the carbon rods 403 are detachably inserted and glued in the middle of the middle plate 2, so that the carbon rods 403 are elastically supported in the middle of the shoe sole plate 1, and the carbon rods 403 are set to be broken and replaceable, which facilitates artificial repair of sports shoes and ensures the performance of sports shoes;

[0034] The upper plate 4 includes a foot plate 401, the upper surface of the foot plate 401 contacts the instep and supports the foot, and the bottom surface of the foot plate 401 is integrally provided with an insertion plate 402 in the middle, the plate body of the insertion plate 402 is embedded with two symmetrically arranged carbon rods 403 in the middle, and the end of each carbon rod 403 protrudes from the surface of the insertion plate 402, a insertion slot 201 is formed in the middle of the middle plate 2 corresponding to the insertion plate 402, and a insertion hole 202 is formed in the sidewall of the insertion slot 201 corresponding to the carbon rod 403, the bottom of the insertion plate 402 is positioned and inserted into the insertion slot 201, and the two ends of each carbon rod 403 are detachably inserted into the insertion hole 202 for quick combination of the upper plate 4 and the middle plate 2;

[0035] In this embodiment, the carbon rod 403 is provided in a straight bar column structure, the outer part of the carbon rod 403 includes a hollow tubular carbon tube 4031, a plurality of bar-shaped carbon rods 4032 are filled in the carbon tube 4031, and a resin adhesive layer 4033 in a gel form is filled in the carbon tube 4031, the resin adhesive layer 4033 is filled between the carbon rods 4032 and solidified, and the whole forms a solidified carbon rod 403, and the carbon tube 4031 and the carbon rod 4032 are made of carbon fiber parts, the carbon rod 403 utilizes the carbon fiber structure and has high elasticity, which is convenient for elastic support of the middle foot in the middle of the shoe sole plate 1;

[0036] Further, the insertion plate 402 is provided in a rectangular block structure, the insertion slot 201 is provided in a rectangular slot to cooperate with the insertion plate 402, so that the insertion plate 402 is positioned and inserted into the insertion slot 201 in the direction of the foot type, and the upper plate 4 is preliminarily attached to the middle plate 2;

[0037] Further, the insertion hole 202 includes a sticking groove 2021 and a rod groove 2022 from the inner wall of the insertion slot 201 to the depth of the middle plate 2, the sticking groove 2021 and the rod groove 2022 are both provided in a round hole groove, and the inner diameter of the sticking groove 2021 is greater than that of the rod groove 2022;

[0038] Further, the two ends of the carbon rod 403 protruding from the insertion plate 402 are fixedly sleeved with an annular plastic sticking plate 406, the thickness of the sticking plate 406 is ≤5mm, the plate body of the sticking plate 406 is inserted and received in the sticking groove 2021, and the end surface of the sticking plate 406 is hidden and received in the sticking groove 2021 without protruding, and the end of the carbon rod 403 is inserted into the rod groove 2022.

[0039] In the actual assembly, the plug plate 402 at the bottom of the upper plate 4 is aligned with the insertion slot 201 of the middle plate 2, the end of the bent carbon rod 403 is extruded and inserted into the insertion hole 202. At this time, the end of the carbon rod 403 is inserted into the rod slot 2022 of the insertion hole 202, the sticking plate 406 on the carbon rod 403 is inserted into the sticking slot 2021, the edge wall of the plug plate 402 abuts and sticks to the inner wall of the insertion slot 201, and the upper plate 4 and the middle plate 2 are preliminarily clamped and combined.

[0040] As a further improvement of the embodiment, a plurality of arc-shaped clamping rings 405 are arranged on each carbon tube 4031 at equal distances on both ends of the plug plate 402, and a clamping slot 2023 is formed at a position corresponding to each clamping ring 405 in the rod slot 2022. When the carbon tube 4031 is inserted into the rod slot 2022, the ring body of the clamping ring 405 is inserted and clamped in the clamping slot 2023.

[0041] When the upper plate 4 is combined on the middle plate 2, the rod end of the carbon rod 403 is inserted and matched with the sticking slot 2021 through the sticking plate 406, and the rod end with the clamping ring 405 is inserted and clamped with the rod slot 2022 with the clamping slot 2023, and the plug plate 402 is inserted and matched in the insertion slot 201. With the aid of the inserted and clamped carbon rod 403, the plug plate 402 is stably embedded in the insertion slot 201.

[0042] A first through hole 404 is formed in the plug plate 402 corresponding to each carbon rod 403, and the mouth of the first through hole 404 does not exceed the bottom surface of the plug plate 402. The middle part of each carbon rod 403 is exposed to the outside through the first through hole 404 below, and a liquid guiding cavity 4035 is formed in the middle part to both ends of each carbon rod 403. The liquid guiding cavity 4035 of each carbon rod 403 is formed with a glue injection hole 4034 below the exposed section in the middle part, and the inside of the sticking plate 406 on the carbon rod 403 is formed with an annular liquid guiding groove 4061. The bottom of the liquid guiding groove 4061 is connected with the liquid guiding cavity 4035, and a glue outlet 4062 is formed on the side of the liquid guiding groove 4061 facing the inner bottom surface of the sticking slot 2021, which is used for injecting glue to bond and fix the carbon rod 403 and the insertion hole 202.

[0043] In the embodiment, the liquid guiding cavity 4035 is formed in the rod after solidification and forming, and the inner diameter of the liquid guiding cavity 4035 is less than half of the diameter of the carbon rod 403, so as to avoid the carbon rod 403 from being easily broken in motion and deformation.

[0044] Further, when the glue outlet 4062 injects glue, the glue enters the liquid guiding groove 4061 through the liquid guiding cavity 4035, and the glue outlet 4062 discharges the glue, and the glue bonds the sticking plate 406 and the sticking slot 2021.

[0045] The second through hole 301 is arranged on the bottom plate 3 corresponding to each first through hole 404, and when the bottom plate 3 is glued to the bottom of the middle plate 2, the glue injection hole 4034 is exposed to the outside through the connected first through hole 404 and second through hole 301, so as to be used for glue injection;

[0046] After the combination of the upper plate 4, the middle plate 2 and the bottom plate 3 forms the shoe sole plate 1, the upper plate 4 is used to contact the bearing instep, and the upper plate 4 in the shoe will not be separated during movement. After the carbon rod 403 is broken, because only one side of the plastic patch 406 is glued, it can maintain a certain fixation, and when it is pulled out with force, the upper plate 4 can be extracted, a new upper plate 4 can be replaced, and the reseating and gluing steps can be conveniently replaced by the user alone, so that the sports shoes can continue to be used with high performance.

[0047] A shoe made of a shoe sole with a carbon rod, comprising a shoe body 5, the shoe body 5 comprising a shoe upper 501, the bottom edge of the shoe upper 501 being connected to the edge of the middle plate 2 through line sewing, and the upper plate 4 being located on the inner bottom of the shoe body 5 and being limited and clamped by the inner bottom of the shoe body 5.

[0048] In the embodiment, a cover plate 502 is fixedly connected to the inner side of the edge of the shoe upper 501 in cooperation with the upper plate 4, the cover plate 502 is arranged as a foamed shoe plate, a pressing groove 503 is arranged on the edge of the upper plate 4 corresponding to the cover plate 502, the plate body of the cover plate 502 is inserted into the pressing groove 503, and the top surface of the cover plate 502 is flush with the top surface of the upper plate 4 without protruding, so that the surface is flat and the instep is prevented from being bumped.

[0049] The above structure design limits the installation of the upper plate 4 in the shoe body 5 through the four edges and the middle part, reduces the movement of the upper plate 4 in the shoe body 5, so that the foot is in contact, and the elastic support of the shoe sole plate 1 is facilitated during movement.

[0050] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0051] Although embodiments of the present application have been shown and described, it would be appreciated by those skilled in the art that changes can be made in these embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims

1. A sole with carbon bar comprising a foamed sole plate (1) for foot support, characterized in that: The shoe sole plate (1) comprises, from top to bottom, a foot contacting upper plate (4), a middle plate (2) and a ground contacting bottom plate (3), two carbon rods (403) are embedded in the middle of the upper plate (4), and the bottom of the upper plate (4) is positioned and inserted into the middle plate (2), the carbon rods (403) are detachably inserted and glued into the middle of the middle plate (2), the carbon rods (403) are elastically supported at the middle of the shoe sole plate (1), and the carbon rods (403) are arranged to be detachable when broken. The upper plate (4) comprises a foot plate (401), the upper surface of the foot plate (401) contacts the foot surface, the bottom surface of the foot plate (401) is integrally provided with an insertion plate (402) in the middle, the middle of the plate body of the insertion plate (402) is embedded with two symmetrically arranged carbon rods (403), and the end of each carbon rod (403) protrudes from the surface of the insertion plate (402), the middle of the middle plate (2) is provided with an insertion slot (201) corresponding to the insertion plate (402), the side wall of the insertion slot (201) is provided with an insertion hole (202) corresponding to the carbon rod (403), and the bottom of the insertion plate (402) is positioned and inserted into the insertion slot (201), and the two ends of each carbon rod (403) are detachably inserted into the insertion hole (202). The bottom of the insertion plate (402) is provided with a first through hole (404) corresponding to each carbon rod (403), the mouth of the first through hole (404) does not exceed the bottom surface of the insertion plate (402), the middle of each carbon rod (403) is exposed to the outside through the first through hole (404) below, and the middle to both ends of each carbon rod (403) is provided with a liquid guiding channel (4035), the liquid guiding channel (4035) of each carbon rod (403) is provided with a glue injection hole (4034) below the exposed section in the middle, and the inside of the sticking plate (406) on the carbon rod (403) is provided with an annular liquid guiding groove (4061), the bottom of the liquid guiding groove (4061) is connected with the liquid guiding channel (4035), and the side of the liquid guiding groove (4061) facing the inner bottom surface of the sticking groove (2021) is provided with a glue outlet (4062). The bottom plate (3) is provided with a second through hole (301) corresponding to each first through hole (404), when the bottom plate (3) is glued to the bottom of the middle plate (2), the glue injection hole (4034) is exposed to the outside through the first through hole (404) and the second through hole (301) connected therewith.

2. The sole with carbon bar according to claim 1, characterized in that: The carbon rod (403) is arranged as a straight column structure, the outside of the carbon rod (403) comprises a hollow tubular carbon tube (4031), a plurality of strip-shaped carbon strips (4032) are filled in the carbon tube (4031), and a glue-like resin adhesive layer (4033) is filled in the carbon tube (4031), the resin adhesive layer (4033) is filled between the carbon strips (4032) and solidified, and the whole forms a solidified carbon rod (403), and the carbon tube (4031) and the carbon strip (4032) are both made of carbon fiber.

3. A sole for a shoe incorporating a carbon rod as claimed in claim 2, wherein: The insertion plate (402) is arranged as a rectangular block structure, and the insertion slot (201) is arranged as a rectangular slot matched with the insertion plate (402).

4. The sole with carbon bar according to claim 3, characterized in that: The plug hole (202) comprises a stick groove (2022) and a stick groove (2022) from the inner wall of the slot (201) to the depth of the middle plate (2) in turn, the stick groove (2021) and the stick groove (2022) are all set as round hole grooves, and the inner diameter of the stick groove (2021) is greater than that of the stick groove (2022).

5. A sole for a shoe incorporating a carbon rod as claimed in claim 4, wherein: The carbon rod (403) protruding from both ends of the plug-in plate (402) is fixedly sleeved with an annular plastic sticking plate (406), the thickness of the sticking plate (406) is ≤5mm, the plate body of the sticking plate (406) is inserted and received in the sticking groove (2021), and the end face of the sticking plate (406) is hidden and received in the sticking groove (2021) and does not protrude, and the end of the carbon rod (403) is inserted into the stick groove (2022).

6. A sole for a shoe incorporating a carbon rod as claimed in claim 5, wherein: Each carbon tube (4031) protruding from both ends of the plug-in plate (402) is equally spaced and arranged with a plurality of arc-shaped protruding snap rings (405), the stick groove (2022) is provided with a clamping groove (2023) corresponding to each snap ring (405), and when the carbon tube (4031) is inserted into the stick groove (2022), the ring body of the snap ring (405) is inserted and clamped in the clamping groove (2023).

7. A sole for a shoe incorporating a carbon rod as claimed in claim 6, characterised in that: The carbon rod (403) is formed into a liquid guiding cavity (4035) after solidification and molding, and the inner diameter of the liquid guiding cavity (4035) is less than half of the diameter of the carbon rod (403).

8. A sole for a shoe incorporating a carbon rod as claimed in claim 7, characterised in that: When the glue outlet (4062) injects glue, the glue enters the liquid guiding groove (4061) through the liquid guiding cavity (4035), the liquid guiding groove (4061) discharges the glue through the glue outlet (4062), and the glue adheres the sticking plate (406) and the sticking groove (2021).

9. A shoe characterized by: The shoe body (5) comprises an upper (501), and the bottom edge of the upper (501) is connected to the edge of the middle plate (2) by line sewing, the upper plate (4) is located in the inner bottom of the shoe body (5), and the inner bottom of the shoe body (5) limits and clamps the upper plate (4).

10. The shoe of claim 9, wherein: The edge of the upper (501) is fixedly connected with a cover plate (502) on the inner side of the edge, the cover plate (502) is set as a foamed shoe plate, the upper plate (4) is provided with a pressing groove (503) at the position corresponding to the cover plate (502), the plate body of the cover plate (502) is inserted into the pressing groove (503), and the top surface of the cover plate (502) is flush with the top surface of the upper plate (4) and does not protrude.

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