High-elasticity 3D printing vamp and shoe with vamp
By designing a 3D-printed upper with intersecting elastic units and a reinforced structure, the problems of high hardness and poor ductility of existing 3D-printed uppers have been solved, resulting in an upper that combines high elasticity and strength, improving fit and comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-29
- Publication Date
- 2026-03-27
AI Technical Summary
Existing 3D printed shoe uppers have high rigidity and poor extensibility and deformation ability, resulting in low wearing comfort and poor fit, making it difficult to conform to the shape of the foot.
The upper is composed of several 3D-printed elastic units. Through the intersecting design of the first and second straight lines, combined with bending strips and deformation gaps, a highly elastic structure is formed, and the upper is reinforced at key locations to improve strength and stability.
It achieves a combination of high elasticity and strength in the upper, allowing it to deform into a shape that matches the foot after being put on, improving fit and comfort, while also enhancing abrasion resistance and deformation resistance.
Smart Images
Figure CN224038582U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to shoe clothing technical field, concretely relates to a high elasticity 3D printing vamp and the shoes with the vamp. BACKGROUND
[0002] Vamp refers to the upper structure of shoes, covers the toes, instep, heel and both sides, plays the role of wrapping and protecting the foot, its range extends from the tip of the foot to the heel, wraps the whole foot, ensures the adhesion of the foot and the shoes, the vamp of the prior art is usually made by stacking and sewing multiple pieces of cloth, some vamps are additionally provided with a reinforcing hot melt layer or a TPU sheet for improving the strength of the vamp, the vamp reduces friction and impact in movement by wrapping the foot, provides stability, and when the vamp is manufactured by using a mesh cloth or the like, the breathability and comfort of wearing can be significantly improved, the 3D printing vamp is a new type of vamp, which is quickly formed by a 3D printer, thereby effectively improving the processing speed of the vamp.
[0003] Although the above prior art can solve the corresponding technical problems, it still has certain defects: although the existing 3D printing vamp can be quickly formed, the formed vamp has high hardness, poor ductility and poor deformation ability, after the foot is put in, the high hardness easily causes the phenomenon of pinching the foot, the wearing comfort is low, and at the same time, due to the poor ductility and deformation ability, the vamp often cannot well fit the shape of the foot, thereby resulting in poor wrapping, and the foot is easily slipped during movement. UTILITY MODEL CONTENT
[0004] The utility model aims at the defects and deficiencies of the prior art, and provides a high elasticity 3D printing vamp with good ductility, wearing comfort and wrapping, and shoes with the vamp.
[0005] To achieve the above object, the utility model adopts the following technical scheme: a high elasticity 3D printing vamp is composed of a vamp body formed by a plurality of 3D printing elastic units, a wearing opening is formed on the vamp body at the corresponding position of the heel of the foot, the elastic unit comprises a first straight line formed by 3D printing and a second straight line formed by 3D printing on one side of the first straight line, a first curved strip is integrally formed at the top end of the first straight line and the bottom end of the second straight line by 3D printing, a second curved strip is integrally formed at the bottom end of the first straight line and the top end of the second straight line by 3D printing, and a deformation gap is formed between the middle sections of the first curved strip and the second curved strip and intersects each other.
[0006] Further improvement is that an edge reinforcing ring is integrally formed on the vamp body at the position of the wearing opening by 3D printing.
[0007] Further improvement is that the upper body is integrally formed with an edge reinforcing ring at the edge of the edge reinforcing ring.
[0008] Further improvement is that the upper body is integrally formed with a heel stabilizing block at the position of the heel of the foot.
[0009] To achieve the above object, the utility model also can adopt the following technical scheme: a shoe, including the midsole and the upper that 3D printing is formed and is covered in the midsole outside, the upper is composed of the upper body, the upper body is formed with the entry at the corresponding position of the heel of the foot, the upper body is composed of a plurality of 3D printing forming elastic units, the elastic unit includes the first straight line that 3D printing is formed and the second straight line that 3D printing is formed in the first straight line side, the first straight line top end and the second straight line bottom end are integrally formed with the first curved strip by 3D printing, the first straight line bottom end and the second straight line top end are integrally formed with the second curved strip by 3D printing, the first curved strip middle section and the second curved strip middle section are formed with deformation gap and cross each other.
[0010] Further improvement is that the upper body is integrally formed with an edge reinforcing ring at the edge of the entry.
[0011] Further improvement is that the upper body is integrally formed with an upper shaping block extending to the forefoot of the foot at the edge of the edge reinforcing ring.
[0012] Further improvement is that the upper body is integrally formed with a heel stabilizing block at the position of the heel of the foot.
[0013] Further improvement is that the high-density torsion-resistant layer with the same structure as the upper is integrally formed between the bottom surface of the midsole and the upper by 3D printing.
[0014] Further improvement is that the midsole is formed by 3D printing.
[0015] After adopting the above technical scheme, the utility model has the beneficial effects that: the upper body is composed of a plurality of elastic units, the plurality of elastic units are connected to each other by the first straight line and the second straight line to form a whole, and the deformation gap between the first curved strip and the second curved strip can deform when the upper body is subjected to tension, and the shape of the upper can be maintained when no tension is received, with strong ductility and elasticity, after the foot is put in, the force applied by the foot to the upper body can make it deform, so that the inner cavity shape becomes the shape matched with the foot, thereby improving the wrapping property and the wearing comfort is higher. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced as follows. Obviously, the drawings in the following description only show some of the embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative labor on the basis of these drawings.
[0017] Figure 1 is a schematic view of the three-dimensional structure of the upper of the present application;
[0018] Figure 2 is a schematic view of the three-dimensional structure of the elastic unit of the present application;
[0019] Figure 3 is a schematic view of the structure of the front view section of the shoe of the present application
[0020] Figure 4 is a schematic view of the structure of the bottom view of the shoe of the present application. DETAILED DESCRIPTION
[0021] The present application will be further described in combination with the drawings and specific embodiments.
[0022] Reference Figures 1-4The technical scheme adopted in the embodiment is shown as follows: a high-elasticity 3D-printed vamp, which is composed of a vamp body 10 formed by a plurality of 3D-printed elastic units, the vamp body 10 is formed with an entry 11 at a position corresponding to the heel of the foot, the elastic unit comprises a first straight line 101 formed by 3D printing and a second straight line 102 formed by 3D printing on one side of the first straight line 101, the top end of the first straight line 101 and the bottom end of the second straight line 102 are integrally formed with a first curved line 103 by 3D printing, the bottom end of the first straight line 101 and the top end of the second straight line 102 are integrally formed with a second curved line 104 by 3D printing, the middle sections of the first curved line 103 and the second curved line 104 are crossed with a deformation gap 105 formed therebetween, during production, the elastic unit is formed by a 3D printer, the first straight line 101 of one elastic unit is connected to the second straight line 102 of another elastic unit to form an integral whole, a plurality of elastic units are connected to form a vamp body, the elastic unit is made of elastic plastic material, when the vamp is subjected to a transverse tension, the first curved line 103 and the second curved line 104 of the elastic unit can be stretched transversely, and the elastic plastic material can be transversely deformed, thereby absorbing the transverse tension, when subjected to a longitudinal tension, the first curved line 103 and the second curved line 104 of the elastic unit can be longitudinally deformed, and the deformation gap 105 formed therebetween can prevent the deformation of the two curved lines, thereby obtaining a large longitudinal deformation capacity, the middle sections of the two curved lines are crossed, when the transverse deformation or longitudinal deformation is excessive, the first curved line 103 and the second curved line 104 can be pressed against each other, thereby improving the strength of the vamp and preventing excessive deformation, the vamp has a good elastic deformation capacity and a high strength, and has a high ductility and elasticity, after the foot is inserted, the vamp body 10 can be deformed by the force applied by the foot, so that the shape of the inner cavity of the vamp body 10 matches the shape of the foot, thereby improving the fit and comfort of the vamp;
[0023] The edge reinforcing ring 12 is integrally formed on the vamp body 10 at the position of the entry 11 by 3D printing, which is beneficial to enhancing the strength of the vamp body 10 at the position of the reinforcing entry 11, improving the wear resistance of the position during exercise, and preventing edge cracking;
[0024] The upper shaping block 13 extending to the forefoot is integrally formed on the vamp body 10 at the edge position of the edge reinforcing ring 12 by 3D printing, which is beneficial to maintaining the shape of the vamp body 10 at the top position of the reinforcing ring 12 and preventing the edge from being rolled and pressed against the foot;
[0025] The vamp body 10 is integrally formed with a heel stabilizing block 14 at the position of the heel of the foot, which is beneficial to improve the anti-deformation ability of the heel when worn, and the heel stability of the vamp body 10 is stronger during movement, and the vamp body 10 is not easy to be sprained.
[0026] The utility model discloses still provide a kind of shoes, including insole 2 and the vamp 1 covered in insole 2 outside by 3D printing forming, vamp 1 is made of vamp body 10, vamp body 10 is formed with entry 11 on the corresponding position of the heel of the foot, vamp body 10 is made of several 3D printing forming elastic units, and elastic unit includes 3D printing forming first linear strip 101 and 3D printing on the side of first linear strip 101 Second linear strip 102, first linear strip 101 top end and second linear strip 102 bottom end are integrally formed with first curved strip 103 by 3D printing, and first linear strip 101 bottom end and second linear strip 102 top end are integrally formed with second curved strip 104 by 3D printing, and deformation gap 105 is formed between the middle section of first curved strip 103 and the middle section of second curved strip 104 and is crossed each other, when using, foot is worn into shoes through entry 11, so that foot is wrapped in the cavity between insole 2 and vamp body 10, and the cushioning of treading is provided by insole 2, when producing, the elastic unit is formed by 3D printer, and the first linear strip 101 upper end and lower end of one elastic unit are connected with the second linear strip 102 upper end and lower end of another elastic unit to form an entirety, and multiple elastic units are connected to form a vamp body, and the elastic unit is made of elastic plastic material, when the vamp is subjected to transverse tension, the first curved strip 103 and the second curved strip 104 of elastic unit can be transversely stretched, and it is made of elastic plastic material, so that transverse deformation can be generated, so as to make the elastic unit transversely deform, and then absorb the transverse tension, and when subjected to longitudinal tension, the first curved strip 103 and the second curved strip 104 of elastic unit can be longitudinally deformed, and the deformation gap 105 formed between the two can make the deformation of the two not be hindered, so as to obtain greater longitudinal deformation capacity, and the middle sections of the two are crossed each other, when transversely deformed or longitudinally deformed excessively, the first curved strip 103 and the second curved strip 104 can be abutted together, so as to improve the strength of the vamp, and the vamp is not easy to be excessively deformed, while having good elastic deformation capacity, the strength of the vamp can also be guaranteed, and the vamp has strong ductility and elasticity, after foot is worn in, the vamp body 10 can be deformed by the force applied by foot, so that the shape of the inner cavity becomes the shape matched with foot, so as to improve the wrapping property, and the wearing comfort is higher.
[0027] The vamp body 10 is integrally formed with the edge reinforcing ring 12 at the position of the wearing port 11 by 3D printing, which is beneficial to enhance the strength of the vamp body 10 at the position of the reinforcing wearing port 11, so that the wear resistance of the position is better during the movement, and the edge cracking phenomenon is not easy to occur;
[0028] The vamp body 10 is integrally formed with the edge reinforcing ring 12 at the position of the wearing port 11 by 3D printing, which is beneficial to enhance the strength of the vamp body 10 at the position of the reinforcing wearing port 11, so that the wear resistance of the position is better during the movement, and the edge cracking phenomenon is not easy to occur;
[0029] The vamp body 10 is integrally formed with the edge reinforcing ring 12 at the position of the wearing port 11 by 3D printing, which is beneficial to enhance the strength of the vamp body 10 at the position of the reinforcing wearing port 11, so that the wear resistance of the position is better during the movement, and the edge cracking phenomenon is not easy to occur;
[0030] The vamp body 10 is integrally formed with the edge reinforcing ring 12 at the position of the wearing port 11 by 3D printing, which is beneficial to enhance the strength of the vamp body 10 at the position of the reinforcing wearing port 11, so that the wear resistance of the position is better during the movement, and the edge cracking phenomenon is not easy to occur;
[0031] The vamp body 10 is integrally formed with the edge reinforcing ring 12 at the position of the wearing port 11 by 3D printing, which is beneficial to enhance the strength of the vamp body 10 at the position of the reinforcing wearing port 11, so that the wear resistance of the position is better during the movement, and the edge cracking phenomenon is not easy to occur;
[0032] The utility model discloses a working principle: the utility model uses, and the foot is through the entrance 11 and is in the shoe, makes the foot be wrapped in the cavity between the midsole 2 and the vamp body 10, and provides the cushioning of treading through the midsole 2, when producing, through 3D printer to form the elastic unit, if a plurality of elastic units are connected to each other to form a vamp body through the upper end and the lower end of the first straight line 101 of one elastic unit and the upper end and the lower end of the second straight line 102 of another elastic unit, the elastic unit is all made of the plastic material of elasticity, when the vamp is subjected to the horizontal tension, the first bending strip 103 and the second bending strip 104 of the elastic unit can be stretched horizontally, and its plastic material of elasticity is made, therefore can produce horizontal deformation, thereby to make the elastic unit horizontal deformation, and then absorb the tension of the horizontal, and when being subjected to the vertical tension, can make the first bending strip 103 and the second bending strip 104 of the elastic unit produce vertical deformation, and the deformation gap 105 formed between the two can make the deformation of the two not be hindered, and then can obtain the longitudinal deformation ability of greater amplitude, and the middle segment position of the two is crossed, when the horizontal deformation or the longitudinal deformation is excessive, can make the first bending strip 103 and the second bending strip 104 of the two be in each other, and then improve the strength of the vamp, not easy to deform excessively, while having the elastic deformation ability of better, can also guarantee the strength of the vamp, have very strong ductility and elasticity, after the foot is worn, can make the vamp body 10 produce deformation through the force applied to the vamp body 10 by the foot, make the shape of its inner cavity become the shape matched with the foot, thereby to improve the wrapping, and the wearing comfort is higher.
[0033] The utility model discloses a structure of product, the model of each element is not the content of the utility model protection, is the known technology, and the element of market as long as can realize the function of the above-mentioned utility model can be as a kind of selection application.Therefore the model of element and the like parameters are not detailed in the utility model.The contribution of the utility model is that each element is combined scientifically.
[0034] The basic principle and main features of the utility model and its advantages are shown and described above, and those skilled in the art should understand that the utility model is not limited to the above examples, and the above examples and descriptions are only illustrative of the principles of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed, and the scope of protection of the utility model is defined by the appended claims and their equivalents.Anything not detailed in the utility model is known to those skilled in the art.
Claims
1. A high-elasticity 3D-printed upper, characterized in that: The vamp body (10) is composed of a plurality of 3D-printed elastic units, the vamp body (10) is formed with an entry opening (11) at a position corresponding to the heel of the foot, the elastic unit comprises a first straight line (101) and a second straight line (102) 3D-printed on one side of the first straight line (101), the top end of the first straight line (101) and the bottom end of the second straight line (102) are integrally formed with a first curved line (103) by 3D printing, the bottom end of the first straight line (101) and the top end of the second straight line (102) are integrally formed with a second curved line (104) by 3D printing, and the middle section of the first curved line (103) and the middle section of the second curved line (104) are formed with a deformation gap (105) and intersect with each other.
2. The highly elastic 3D printed upper of claim 1, wherein: The vamp body (10) is integrally formed with an edge reinforcing ring (12) at a position of the entry opening (11) by 3D printing.
3. The high-elasticity 3D-printed upper of claim 2, wherein: The vamp body (10) is further integrally formed with an upper shaping block (13) extending to the forefoot of the foot at a position of the edge of the edge reinforcing ring (12) by 3D printing.
4. The highly elastic 3D printed upper of claim 1, wherein: The vamp body (10) is further integrally formed with a heel stabilizing block (14) at a position of the heel of the foot.
5. A shoe characterized by: The midsole (2) and the vamp (1) are 3D-printed to cover the midsole (2), the vamp (1) is composed of a vamp body (10), the vamp body (10) is formed with an entry opening (11) at a position corresponding to the heel of the foot, the vamp body (10) is composed of a plurality of 3D-printed elastic units, the elastic unit comprises a first straight line (101) and a second straight line (102) 3D-printed on one side of the first straight line (101), the top end of the first straight line (101) and the bottom end of the second straight line (102) are integrally formed with a first curved line (103) by 3D printing, the bottom end of the first straight line (101) and the top end of the second straight line (102) are integrally formed with a second curved line (104) by 3D printing, and the middle section of the first curved line (103) and the middle section of the second curved line (104) are formed with a deformation gap (105) and intersect with each other.
6. A shoe according to claim 5, characterized in that: The vamp body (10) is integrally formed with an edge reinforcing ring (12) at a position of the entry opening (11) by 3D printing.
7. A shoe according to claim 6, characterized in that: The vamp body (10) is further integrally formed with an upper shaping block (13) extending to the forefoot of the foot at a position of the edge of the edge reinforcing ring (12) by 3D printing.
8. The shoe of claim 5, wherein: The vamp body (10) is further integrally formed with a heel stabilizing block (14) at a position of the heel of the foot.
9. The shoe of claim 5, wherein: The bottom surface of the midsole (2) and the vamp (1) are further integrally formed with a high-density torsion-resistant layer (3) with the same structure as the vamp (1) by 3D printing.
10. A shoe according to any one of claims 5 or 9, characterized in that: The midsole (2) is 3D-printed.