Protective assembled children's slippers

Abstract

The utility model provides a kind of protective assembled children slippers, including shoe sole, vamp, modular support beam, protective pad, shoe sole is used to provide basic support and carry foot weight;Vamp is connected to the upper surface of the shoe sole, and the modular support beam is embedded in the inside of the shoe sole, to improve the support strength and bending resistance of arch of foot;Protective pad is attached to the front end and two side edges of the shoe sole, to increase the protection of anti-collision and antiskid;Wherein the modular support beam includes beam body, a plurality of reinforcing ribs and embedded flange, by the above technical scheme scheme, the support strength and bending resistance of arch of foot can be improved by embedding modular support beam in the inside of shoe sole, so as to improve the support, shock absorption and protection effect of arch of foot of slippers.

Description

Technical Field

[0001] This application relates to footwear manufacturing, specifically to a protective, modular children's slipper. Background Technology

[0002] Slippers are a type of shoe with an open heel and only a toe box. They are usually flat and do not require laces. They are often made of soft materials such as leather, plastic, or fabric, making them comfortable and ideal for wearing at home.

[0003] Children's slippers are shoes designed specifically for children. Their core features are providing foot protection (such as anti-slip and cushioning) and easy assembly and component replacement through a modular structure. However, there is a key technical problem in the manufacturing process: because children's feet are not fully developed, their arches are prone to collapse and require additional support. Therefore, the structure of slippers needs to be improved to effectively enhance the support strength for the arch and the overall bending resistance, thereby enhancing the slippers' protective performance for the feet and ensuring that the slippers can support and cushion the children's arches. Summary of the Invention

[0004] In view of this, the present invention provides a protective, modular children's slipper, which at least partially solves the problems existing in the prior art.

[0005] A protective, modular children's slipper includes: a sole for providing basic support and bearing the weight of the foot; an upper attached to the upper surface of the sole for covering and securing the child's foot; a modular support beam embedded within the sole for enhancing arch support and bending resistance; and protective pads attached to the front and side edges of the sole for increased impact and slip protection. The modular support beam comprises: a beam extending longitudinally to the center of the arch region of the sole; multiple reinforcing ribs evenly spaced laterally distributed along the length of the beam to enhance bending stiffness and distribute load; and embedded flanges formed at both ends of the beam and interference-fitted with grooves on the inner wall of the sole for fixing position and enhancing overall support strength.

[0006] Furthermore, the internal groove of the sole is located directly below the center of the arch area, and the groove has a depth of 5-8mm to optimize the embedding position of the modular support beam and improve the support strength for the arch.

[0007] Furthermore, the arch area of ​​the sole is 10-15mm thick and made of high-density EVA material to enhance overall bending resistance and load distribution.

[0008] Furthermore, the sole also includes a reinforcement layer embedded in the bottom of the sole and located directly below the modular support beam, for providing additional compressive support.

[0009] Furthermore, the beam is an upwardly convex arc-shaped structure with a radius of curvature matching the arch curve of a child's foot to enhance the fit and support of the arch.

[0010] Furthermore, the spacing between the multiple reinforcing ribs is 8-12mm, and each reinforcing rib is distributed at a 75-90 degree angle to the beam body to improve bending stiffness and load distribution efficiency.

[0011] Furthermore, the outer surface of the embedded flange is provided with anti-slip texture to increase friction with the groove and fixation stability, and prevent displacement.

[0012] Furthermore, the modular support beam also includes a silicone buffer layer attached to the upper surface of the beam, made of elastic silicone material, used to absorb impact and improve support comfort.

[0013] Furthermore, the length of the beam covers 80%-90% of the arch area of ​​the shoe sole, and the width of the flanges embedded at both ends is greater than that of the main body of the beam to enhance bending resistance and end fixation.

[0014] This disclosure provides a protective, modular children's slipper, comprising: a sole for providing basic support and bearing the weight of the foot; an upper connected to the upper surface of the sole for covering and securing the child's foot; a modular support beam embedded inside the sole for enhancing arch support and bending resistance; and protective pads attached to the front and side edges of the sole for increased impact and slip protection. The modular support beam comprises: a beam extending longitudinally to the center of the arch region of the sole; multiple reinforcing ribs distributed at equal intervals along the length of the beam for enhancing bending stiffness and distributing load; and embedded flanges formed at both ends of the beam and interference-fitted with the inner wall groove of the sole for fixing position and enhancing overall support strength. This disclosure solves the problem of how to embed a modular support beam inside the sole to enhance arch support and bending resistance. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the exemplary embodiments of this disclosure, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of this disclosure and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the structure of this utility model from a bottom view;

[0018] In the diagram: Sole-1, Reinforcement Layer-101, Upper-2, Modular Support Beam-3, Beam-301, Reinforcing Rib-302, Embedded Flange-303, Protective Pad-4 Detailed Implementation

[0019] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this application. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0020] As shown in the figure, a protective, modular children's slipper according to this application includes several key components that work together to provide protection, support, and comfort. First, the sole 1, as the basic support structure, is located at the bottom of the slipper and is used to bear the weight of the foot and distribute pressure. The sole 1 is made of an elastic material, such as thermoplastic rubber (TPR), and is produced through injection molding. It has specific grooves inside to accommodate other components; for example, during manufacturing, the mold design includes inner wall grooves for subsequent interference fit with support beams, ensuring overall structural stability and resistance to deformation.

[0021] The upper 2 is attached to the upper surface of the sole 1, covering the instep area, to secure the child's foot and provide a comfortable fit. The upper 2 is made of soft, breathable fabric or synthetic material, such as knitted fabric or synthetic leather, and is securely bonded to the edge of the sole 1 by stitching or adhesive. For example, during assembly, the bottom edge of the upper 2 is embedded in the peripheral groove of the sole 1 and secured by high-frequency heat pressing or adhesive bonding, allowing for adjustable Velcro or elastic band designs to accommodate different foot sizes.

[0022] Modular support beam 3 is embedded inside the sole 1, located in the arch region, to enhance support strength and bending resistance. This support beam is made of a rigid polymer material such as polypropylene or nylon, and its structure includes a longitudinally extending beam body 301, multiple reinforcing ribs 302 evenly spaced laterally distributed along the length of the beam body 301, and embedded flanges 303 at both ends of the beam body 301. For example, the reinforcing ribs 302 are integrally formed from the beam body 301 through injection molding to enhance load distribution, while the embedded flanges 303 are designed to be slightly larger than the size of the grooves on the inner wall of the sole 1. During assembly, an interference fit is achieved using hot pressing or mechanical pressing to ensure that the beam body 301 is fixed in the center of the arch and to prevent displacement or loosening.

[0023] The protective pad 4 is attached to the front and side edges of the sole 1 to increase impact cushioning and slip protection. The protective pad 4 is made of a high-friction-coefficient cushioning material such as silicone or foamed EVA, with raised textures or grooves on the surface; for example, during the manufacturing process, the protective pad 4 is directly bonded to a designated area of ​​the sole 1 by double-sided tape or vulcanization process, with the front end designed as a thickened arc to absorb impact, and the side edges extending to the boundary of the sole 1 to provide additional grip to prevent slipping.

[0024] This feature, through the embedded design of the modular support beam 3, effectively solves the technical problem of how to enhance the support strength and bending resistance of the arch within the sole 1. Specifically, the modular support beam 3 is prefabricated as an independent component and then embedded into the arch area of ​​the sole 1. Its beam body 301 extends longitudinally to the central position, providing targeted support directly to the physiological curve of the arch, avoiding insufficient support caused by the uniform material of traditional soles 1. At the same time, the reinforcing ribs 302 are distributed laterally at equal intervals to form a grid structure, enhancing local bending stiffness and reducing stress concentration by distributing loads, preventing deformation of the sole 1 when bending. In addition, the interference fit between the embedded flange 303 and the groove on the inner wall of the sole 1 ensures the stable fixation of the support beam, improving the overall structural strength. For example, when children walk or run and jump, this design can effectively resist repeated bending in the arch area, extending the service life of the sole 1 and preventing foot fatigue. This modular approach allows for flexible assembly during the manufacturing process of the sole 1, optimizing the production process while achieving a balance between high-strength support and lightweight design.

[0025] The internal groove of the sole 1 is located directly below the center of the arch area, corresponding to the physiological center of the human foot arch, to ensure precise positioning of the support elements. The groove's specific location has been optimized, situated on the longitudinal axis inside the sole 1, directly corresponding to the area below the arch's weight-bearing zone, thus achieving optimal alignment and distribution when the modular support beam 3 is embedded. This arrangement avoids offset or asymmetry, ensuring that the support force is concentrated on key points of the arch, improving the overall structural stability and uniformity.

[0026] The groove depth is designed to be 5-8 mm, a range verified through engineering calculations and experiments to accommodate the size of the embedded flange 303 of the modular support beam 3. The depth selection takes into account the compressibility of the sole 1 material and the rigidity of the support beam, ensuring the groove can accommodate the flange and form a tight fit. By limiting the depth to 5-8 mm, the groove provides sufficient embedding space while preventing excessive depth from reducing the strength of the sole 1, thereby optimizing the fixing position and embedding stability of the support beam and ultimately enhancing arch support.

[0027] In one embodiment, during the manufacturing process of the sole 1 of a protective modular children's slipper of this application, an internal groove is first formed in the center of the area directly below the arch of the foot using an injection molding process. Specifically, the groove depth is set to 6 mm to match the size of the embedded flange 303 of the modular support beam 3. For example, during the assembly stage, the embedded flange 303 of the support beam is pressed into the groove with an interference fit. The precise position and depth of the groove ensure that the flange is firmly embedded, thereby improving the overall support strength.

[0028] The arch area of ​​the sole 1 is designed with a thickness ranging from 10-15mm. This thickness is achieved through a precise molding process to ensure sufficient structural stability during children's walking. This area is located in the middle of the sole 1, corresponding to the physiological position of the human arch, to optimize support distribution and dynamic adaptability. The thickness range is selected based on biomechanical analysis, balancing lightweight and bending resistance requirements, avoiding fatigue caused by excessive thinness or discomfort caused by excessive thickness.

[0029] The arch area is made of high-density EVA (ethylene-vinyl acetate copolymer), which is foamed to form a uniform internal cell structure with a density controlled within the range of 0.2-0.3 g / cm³, thereby improving the material's compression resilience and durability. The use of high-density EVA enhances the overall rigidity and energy absorption capacity of the sole 1, and its cross-linked molecular chain design helps to disperse localized loads applied to the foot, thus synergistically improving bending resistance. Specifically, the continuous distribution of the material in the arch area ensures uniform load transfer and avoids stress concentration.

[0030] In one embodiment, the arch area of ​​the sole 1 of a protective assembled children's slipper of this application can be achieved by injection molding process. For example, high-density EVA particles are preheated and injected into a mold. The arch area of ​​the mold is set with a cavity depth of 10-15mm, and the final structure is formed by cooling and solidification. Specifically, the EVA content in the material ratio is not less than 70%, and an appropriate amount of crosslinking agent is added to optimize the density and bending resistance.

[0031] In one embodiment, the sole 1 of a protective modular children's slipper of this application further includes a reinforcing layer 101 embedded in the bottom region of the sole 1 and located directly below the modular support beam 3. This arrangement allows the reinforcing layer 101 to directly support the modular support beam 3, forming a vertically aligned support structure. This disperses the load and enhances the overall compressive strength when pressure is applied to the foot. Specifically, the reinforcing layer 101 covers the central portion of the bottom of the sole 1 corresponding to the arch region, ensuring that its effect is concentrated on high-pressure points to optimize the additional support effect.

[0032] The reinforcing layer 101 may be made of a high-density elastic material, such as thermoplastic polyurethane or rubber composite, and its structure is a continuous, flat, thin layer with a uniform thickness to maintain the flexibility and comfort of the sole 1. In terms of composition, this layer may contain reinforcing fibers or fillers to improve compressive strength and durability while avoiding excessive weight addition. Furthermore, the edges of the reinforcing layer 101 smoothly transition into the sole 1 substrate to prevent protruding edges from affecting the wearing experience.

[0033] In terms of connection method, the reinforcing layer 101 is integrated with the sole 1 substrate by embedding, specifically by direct integration during the molding process of the sole 1, such as through injection molding or lamination, so that the reinforcing layer 101 and the sole 1 material form an integrated interface connection. This embedded fixation ensures that the reinforcing layer 101 is stably located at the bottom, directly below the modular support beam 3, and does not interfere with the function of other components.

[0034] For example, the reinforcing layer 101 can be embedded into the bottom of the sole 1 and precisely positioned directly below the modular support beam 3 by pre-placing a layer of reinforcing rubber sheet in the mold of the sole 1 and then injecting a material such as EVA foam into the sole 1, so that the two are firmly fused after curing.

[0035] The beam 301 is embedded in the center of the sole 1, extending longitudinally into the arch area and presenting an upwardly convex arc shape. This arc design is intended to conform to the natural contour of the arch, providing a uniform distribution of support while avoiding localized pressure concentration. Specifically, the highest point of the arc structure is located in the middle of the arch, and both ends gradually transition to the inner edge of the sole 1, ensuring continuous support throughout the entire length of the arch.

[0036] The radius of curvature is precisely matched to the physiological curve of a child's arch. By referencing standard pediatric foot anatomy data, the radius of curvature is set within a specific range to accommodate the arch development characteristics of children at different ages. For example, the radius of curvature can be dynamically adjusted according to the arch height to achieve a customized fit, thereby structurally enhancing the stability and adaptability of the support. This matching is not only based on static curve data but also considers the arch deformation during dynamic walking, ensuring effective fit during movement.

[0037] In one embodiment, during the manufacturing process of the beam 301 of the protective assembled children's slipper of this application, computer-aided design technology is used to simulate the arch curve of the child's foot. After determining the radius of curvature parameters, the thermoplastic material is molded into an arc-shaped structure through injection molding process and embedded in the center of the sole 1. Its two ends are fixed to the groove of the inner wall of the sole 1 by interference fit to ensure that the arc-shaped structure stably fits the arch area.

[0038] This protective, modular children's slipper is characterized by a design that incorporates reinforcing ribs 302 in the modular support beam 3. Specifically, multiple reinforcing ribs 302 are arranged laterally at equal intervals along the length of the beam 301, with the spacing precisely controlled within the range of 8 mm to 12 mm. This spacing configuration optimizes structural density, avoiding excessive weight gain due to overly dense arrangement or reduced support strength due to overly sparse arrangement. Simultaneously, each reinforcing rib 302 intersects the beam 301 at an angle of 75 to 90 degrees, ensuring efficient structural integration as the reinforcing ribs 302 extend laterally from the beam 301. Through this arrangement, the reinforcing ribs 302 effectively improve overall bending stiffness and load distribution efficiency without significantly altering the embedding position of the beam 301 or the internal structure of the sole 1.

[0039] The reinforcing rib 302 is installed on the longitudinal surface of the beam 301, directly connected and protruding laterally to form a rib-like structure. This connection method is usually integrally molded to ensure a gapless connection between the reinforcing rib 302 and the beam 301, thereby maintaining the continuity of load transmission. The beam 301 itself extends longitudinally to the center of the arch area of ​​the sole 1, while the lateral distribution of the reinforcing ribs 302 covers this area, enhancing local support without affecting the overall thickness of the sole 1.

[0040] In one embodiment, the reinforcing ribs 302 of a protective assembled children's slipper of this application can be achieved by injection molding process. For example, when manufacturing the beam 301, the mold is pre-set with transverse grooves to form reinforcing ribs 302 with equal spacing of 8-12mm, and the groove angle is set to 75-90 degrees, so that the reinforcing ribs 302 extend evenly from the side of the beam 301, while ensuring structural stability through cooling and curing.

[0041] The outer surface of the embedded flange 303 is designed with anti-slip textures, which are formed directly on the contact surface of the flange to engage with the grooves on the inner wall of the sole 1. Specifically, the anti-slip textures are located over the entire outer circumference of the embedded flange 303, directly contacting the inner wall of the groove, thereby increasing the coefficient of friction by increasing surface roughness. For example, the textures can employ continuous or discontinuous geometric patterns, such as serrated, wavy, or grid-like protrusions, which are evenly distributed to maximize the contact area and engagement force. Thus, during the interference fit process, the textures embed into the groove wall, generating an additional mechanical locking effect and preventing relative slippage due to external loads.

[0042] In one embodiment, the anti-slip texture of a protective modular children's slipper of this application is integrally integrated into the outer surface of the embedded flange 303 via injection molding. Specifically, the mold design includes pre-set textured grooves, such that when manufacturing the modular support beam 3, molten material fills the textured grooves to form a regularly arranged raised structure; for example, the texture depth is 0.5-1.0 mm and the spacing is 2-3 mm, ensuring uniform frictional resistance with the groove wall during assembly.

[0043] In one embodiment, the modular support beam 3 of a protective, modular children's slipper further includes a silicone cushioning layer directly attached to the upper surface of the beam 301. Specifically, the silicone cushioning layer is located on the upper part of the beam 301, facing the arch area inside the sole 1, and provides cushioning when pressure is applied to the foot. This silicone cushioning layer is made of elastic silicone material with properties including high elasticity and compression resistance, effectively absorbing impact energy and improving the comfort of arch support. The silicone cushioning layer is fixedly connected to the beam 301 by adhesive bonding, ensuring that it will not shift or detach under load, while maintaining the overall structural integrity of the modular support beam 3. Furthermore, the thickness of the silicone cushioning layer can be adjusted according to the required arch height to optimize cushioning performance.

[0044] In one embodiment, the silicone cushioning layer of a protective assembled children's slipper of this application can be attached by a hot pressing process. For example, after placing a pre-made silicone sheet on the upper surface of the beam 301, high temperature and pressure are applied to fuse the silicone material with the surface of the beam 301 to form an integral structure; or, epoxy resin adhesive is applied to the upper surface of the beam 301, and then the silicone layer is pressed and fixed to ensure a stable connection without affecting the bending resistance of the beam 301.

[0045] The beam 301 extends longitudinally to the center of the arch region of the sole 1, its length configured to cover 80% to 90% of this arch region to provide adequate arch support without extending into the heel or forefoot area. This length range ensures a balance between support strength and flexibility, preventing excessive coverage that could lead to excessive overall rigidity of the sole 1. The beam 301 is made of a high-strength polymer material, and its main body has a uniform cross-sectional shape to maintain structural consistency.

[0046] At both ends of the beam 301, embedded flanges 303 are provided, with a width significantly greater than the width of the main body of the beam 301, thus forming an extended end structure. The embedded flanges 303 are inserted into grooves in the inner wall of the sole 1 via an interference fit. This connection method enhances the fixing strength of the ends, preventing displacement or loosening. Specifically, the increased width of the embedded flanges 303 improves local bending stiffness and reduces stress concentration by distributing loads, thereby strengthening the stability of the overall support structure. The main body of the beam 301 and the embedded flanges 303 are integrally molded to ensure a seamless connection, while the dimensions of the grooves in the sole 1 precisely match the flanges to achieve a robust interference fit.

[0047] In one embodiment, the beam 301 of a protective, modular children's slipper is designed to extend longitudinally within the arch region of the sole 1, with its length specifically set to cover 85% of the length of that region. For example, the main body width of the beam 301 remains constant, while the width of the insert flange 303 is manufactured to be 20% larger than the main body width to provide additional end support area. Specifically, the insert flange 303 forms an interference fit with a groove on the inner wall of the sole 1 through a precision injection molding process. Applying slight pressure during installation ensures a tight fit, thereby effectively enhancing bending resistance and securing the ends.

[0048] In actual operation, when this device is used, the child places their foot on the upper surface of the sole 1, and the upper 2 covers and fixes the foot. At this time, the sole 1 bears the weight of the foot and provides basic support. During walking, the modular support beam 3 is embedded inside the sole 1. Its beam body 301 extends longitudinally to the center of the arch area. Multiple reinforcing ribs 302 are distributed laterally at equal intervals along the length of the beam body 301 to enhance bending stiffness and distribute load. At the same time, the embedded flange 303 is interference-fitted with the inner wall groove of the sole 1 to fix the position and improve the overall support strength. In addition, the protective pad 4 is attached to the front end and side edges of the sole 1 to increase anti-collision and anti-slip protection when encountering collisions or slipping.

[0049] Unless explicitly stated otherwise, the actions or steps of the methods and procedures described in the embodiments of the present invention do not necessarily have to be performed in a specific order and can still achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0050] This document describes several embodiments of the present invention; however, for the sake of brevity, the descriptions of the embodiments are not exhaustive, and identical or similar features or parts between the embodiments may be omitted. In this document, "one embodiment," "some embodiments," "example," "specific example," or "some examples" refers to embodiments applicable to at least one, but not all, of the present invention. The above terms do not necessarily refer to the same embodiments or examples. Without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described herein, as well as the features of the different embodiments or examples.

[0051] The exemplary systems and methods of the present invention have been specifically shown and described with reference to the above embodiments, which are merely examples of the best mode for implementing the systems and methods. Those skilled in the art will understand that various changes can be made to the embodiments of the systems and methods described herein without departing from the spirit and scope of the invention as defined in the appended claims when implementing the systems and / or methods.

Claims

1. A protective, assembled child slipper, characterized in that, include: The sole (1) is used to provide basic support and bear the weight of the foot; The upper (2) is attached to the upper surface of the sole (1) and is used to cover and secure the child's feet; Modular support beam (3) is embedded inside the sole (1) to enhance the support strength and bending resistance of the arch of the foot; Protective pads (4) are attached to the front end and side edges of the sole (1) to increase impact and slip protection; The modular support beam (3) includes: The beam (301) extends longitudinally to the center of the arch region of the sole (1); Multiple reinforcing ribs (302) are distributed laterally at equal intervals along the length of the beam (301) to enhance bending stiffness and distribute load; An embedded flange (303) is formed at both ends of the beam (301) and is interference-fitted with the inner wall groove of the sole (1) to fix the position and improve the overall support strength.

2. The protective assembled children's slipper according to claim 1, characterized in that: The internal groove of the sole (1) is located directly below the center of the arch area, and the groove is 5-8mm deep, in order to optimize the embedding position of the modular support beam (3) and improve the support strength for the arch.

3. The protective assembled children's slipper according to claim 1, wherein: The arch area of ​​the sole (1) is 10-15mm thick and made of high-density EVA material to enhance the overall bending resistance and load distribution effect.

4. The protective, assembled child slipper of claim 1, wherein: The sole (1) also includes a reinforcement layer (101) embedded in the bottom of the sole (1) and located directly below the modular support beam (3) to provide additional compressive support.

5. The protective assembled children's slipper according to claim 1, wherein: The beam (301) is an upwardly convex arc-shaped structure with a radius of curvature matching the arch curve of a child's foot to enhance the fit and support of the arch.

6. The protective assembled children's slipper according to claim 1, wherein: The spacing between the multiple reinforcing ribs (302) is 8-12mm, and each reinforcing rib (302) is distributed at a 75-90 degree angle with the beam body (301) to improve bending stiffness and load distribution efficiency.

7. The protective assembled children's slipper according to claim 1, wherein: The outer surface of the embedded flange (303) is provided with anti-slip texture to increase friction with the groove and fixation stability, and prevent displacement.

8. The protective assembled children's slipper according to claim 1, wherein: The modular support beam (3) also includes a silicone buffer layer attached to the upper surface of the beam body (301), made of elastic silicone material, for absorbing impact and improving support comfort.

9. The protective assembled children's slipper of claim 1, wherein: The length of the beam (301) covers 80%-90% of the arch area of ​​the sole (1), and the width of the flanges (303) embedded at both ends is greater than that of the main body of the beam (301) to enhance bending resistance and end fixation.

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