A type of 3D-printed slipper with low instep pressure

Abstract

This utility model relates to the field of footwear and apparel technology, specifically to a 3D-printed slipper with low instep pressure, including a slipper sole formed by 3D printing technology and an upper formed by 3D printing technology covering the slipper sole. The upper has an integrally formed entrance, and a pressure-reducing structure is provided at the edge of the entrance using 3D printing technology.

Description

Technical Field

[0001] This utility model relates to the field of footwear and apparel technology, specifically to a 3D-printed slipper with low pressure on the instep. Background Technology

[0002] Shoes are garments worn on the feet to protect them and facilitate walking. Traditional shoes are made of materials such as leather, cloth, and rubber. Modern shoes mostly consist of a foam midsole and an upper sewn onto the midsole to wrap around the foot. Underneath the midsole is an outsole to improve wear resistance and grip. Together with the lacing system on the upper, the shoes are secured to the user's foot. They are lightweight and durable. 3D printed shoes are a new type of shoe that is molded in one piece using 3D printing technology. 3D printing is faster and can design lattice structure midsoles that are impossible to achieve with traditional processes. It is a key technological engine for the sustainable development of the footwear industry.

[0003] Although the aforementioned existing technologies can solve the corresponding technical problems, they still have certain drawbacks: after the existing 3D printed slippers are formed, the upper covering the upper surface of the foot is usually composed of multiple lattice structures, which will form a fault at the entrance, resulting in high roughness. Consequently, when wearing them, the wearer's foot and the fault at the entrance can easily rub against each other during movement, leading to poor wearing comfort. At the same time, long-term friction can also easily cause cracks at the entrance, affecting the service life of the 3D printed slippers. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings and deficiencies of existing technologies by providing a 3D-printed slipper that offers high comfort, is less prone to cracking at the edges, and has low pressure on the instep.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a 3D-printed slipper with low instep pressure, comprising a slipper sole formed by 3D printing technology and an upper formed by 3D printing technology covering the slipper sole. An opening is integrally formed on the upper, and a pressure-reducing structure is provided at the edge of the opening by 3D printing technology.

[0006] A further improvement is that the upper extends backward from the position of the slipper sole on the forefoot of the human foot to the position of the slipper sole on the ankle of the human foot.

[0007] A further improvement is that the upper surface of the slipper sole is integrally formed with a stepping groove.

[0008] A further improvement is that the pressure-reducing structure is a pressure-reducing strip formed by 3D printing at the edge of the inlet. The pressure-reducing strip is composed of several 3D-printed elliptical pressure-reducing rings, and a pressure-reducing cavity is integrally formed inside the pressure-reducing rings.

[0009] After adopting the above technical solution, the beneficial effects of this utility model are as follows: After being put on, the pressure-reducing strip formed at the edge of the entrance will fit against the instep of the foot. The pressure generated by the shoe upper on the foot will be absorbed by the deformation of multiple pressure-reducing rings. At the same time, the pressure-reducing strip covers the edge of the shoe upper formed by 3D printing technology. When the foot comes into contact with it, its elliptical arc surface reduces the friction generated during wearing, so that the foot is under less pressure and the friction is reduced, effectively improving the comfort of the foot after being put on. In addition, the pressure-reducing strip seals the edge of the entrance, reducing the friction and making the edge of the entrance less prone to cracking, thus extending the service life of the shoe. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a three-dimensional structural diagram of the slippers of this utility model;

[0012] Figure 2 This is a structural schematic diagram of the cross-section of the pressure-reducing strip of this utility model. Detailed Implementation

[0013] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments.

[0014] See Figure 1-2As shown, the technical solution adopted in this specific embodiment is: a 3D-printed slipper with low instep pressure, including a slipper sole 1 formed by 3D printing technology and an upper 2 formed by 3D printing technology covering the slipper sole 1. An entry point 3 is integrally formed on the upper 2. A pressure-reducing structure 4 is provided at the edge of the entry point 3 by 3D printing technology. The pressure-reducing structure 4 is a pressure-reducing strip formed at the edge of the entry point 3 by 3D printing technology. The pressure-reducing strip is composed of several elliptical pressure-reducing rings 41 formed by 3D printing technology. A pressure-reducing cavity 42 is integrally formed inside the pressure-reducing rings 41. In use, the slipper sole 1 is first formed by 3D printing technology. After the slipper sole 1 is formed, the upper 2 is formed on it by 3D printing technology, and the entry point 3 is formed on the back of the upper 2, allowing the foot to be inserted between the upper 2 and the slipper sole 1 through the entry point 3, thus putting on the slipper. The edge of the entry point 3 is formed with... The shoe has a pressure-reducing structure 4, which is a pressure-reducing strip formed by 3D printing technology. The pressure-reducing strip is composed of multiple pressure-reducing rings 41. The pressure-reducing rings 41 are elliptical and have pressure-reducing cavities 42 formed inside them, which can deform under pressure. After the shoe is put on, the pressure-reducing strip formed at the edge of the insertion entrance 3 will fit against the instep of the foot. The pressure generated by the upper 2 on the foot will be absorbed by the deformation of the multiple pressure-reducing rings 41. At the same time, the pressure-reducing strip covers the edge of the upper 2 formed by 3D printing technology, that is, the edge of the insertion entrance 3. When the foot comes into contact with the edge of the insertion entrance 3, the elliptical arc surface reduces the friction generated during wearing, so that the pressure on the foot is lower and the friction is reduced, effectively improving the comfort of the foot after wearing. In addition, the pressure-reducing strip seals the edge of the insertion entrance 3, reducing the friction and making the edge of the insertion entrance 3 less prone to cracking, thus extending the service life of the shoe.

[0015] The upper 2 extends backward from the position of the slipper sole 1 at the forefoot of the human foot to the position of the slipper sole 1 at the ankle of the human foot. This allows the upper 2 to fully wrap around the forefoot of the human foot, thus providing better protection for the foot. It can provide a certain degree of resistance when stepped on or impacted by heavy objects, effectively preventing injury.

[0016] The upper surface of the slipper sole 1 has an integrally formed step groove 5, which helps the foot to enter the step groove 5 after it is put on. This makes it less likely for the foot to slip off the slipper sole 1 when moving, making the slipper more stable and less prone to slipping.

[0017] The working principle of this utility model is as follows: First, a slipper sole 1 is formed using 3D printing technology. After the slipper sole 1 is formed, an upper 2 is formed on it using 3D printing technology. An insertion opening 3 is formed on the back of the upper 2, allowing the foot to be inserted between the upper 2 and the slipper sole 1 through the insertion opening 3, thus putting on the slipper. A pressure-reducing structure 4 is formed at the edge of the insertion opening 3. The pressure-reducing structure 4 is a pressure-reducing strip formed using 3D printing technology, which consists of multiple pressure-reducing rings 41. Each pressure-reducing ring 41 is elliptical and contains a pressure-reducing cavity 42 that allows the pressure-reducing ring 41 to deform under pressure. After insertion, the foot... The pressure-reducing strip formed at the edge of the opening 3 will fit against the instep of the foot. The pressure exerted on the foot by the upper 2 will be absorbed by the deformation of multiple pressure-reducing rings 41. At the same time, the pressure-reducing strip covers the edge of the upper 2 formed by 3D printing technology, that is, the edge of the opening 3. When the foot comes into contact with the edge of the opening 3, its elliptical arc surface reduces the friction generated during wearing, so that the foot is under less pressure and the friction is reduced, effectively improving the comfort of the foot after wearing. In addition, the pressure-reducing strip seals the edge of the opening 3, reducing the friction and making the edge of the opening 3 less prone to cracking, thus extending the service life of the shoe.

[0018] This utility model aims to protect the structure of the product. The model numbers of the components are not the focus of this utility model's protection, as they are common technology. Any component on the market that can achieve the functions described above can be used as an option. Therefore, the model numbers and other parameters of the components are not described in detail in this utility model. The contribution of this utility model lies in the scientific combination of the various components.

[0019] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions provided are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of protection of this utility model as defined by the appended claims and their equivalents. Any aspects of this utility model not detailed herein are well-known to those skilled in the art.

Claims

1. A 3D printed flip-flop with low instep pressure, characterized in that: It includes a slipper sole (1) formed by 3D printing technology and an upper (2) formed by 3D printing technology covering the slipper sole (1). The upper (2) has an integrally formed entrance (3), and the edge of the entrance (3) is provided with a pressure-reducing structure (4) by 3D printing technology.

2. The 3D printed flip-flop with low instep pressure according to claim 1, characterized in that: The upper (2) extends backward from the corresponding position of the slipper sole (1) on the forefoot of the human foot to the corresponding position of the slipper sole (1) on the ankle of the human foot.

3. The 3D printed flip-flop with low instep pressure according to claim 1, characterized in that: The slipper sole (1) has an integrally formed step groove (5) on its upper surface.

4. The 3D printed flip-flop with low instep pressure according to claim 1, characterized in that: The pressure relief structure (4) is a pressure relief strip formed by 3D printing at the edge of the inlet (3). The pressure relief strip is composed of several 3D printed elliptical pressure relief rings (41), and a pressure relief cavity (42) is integrally formed inside the pressure relief ring (41).

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