Sock shoe with internally molded heel
By using a one-piece molded flexible shoe and sock structure in conjunction with the shoe last, the internal assembly of the heel sleeve after shaping is achieved simultaneously, which solves the assembly efficiency and stability problems of the existing sock-sleeve shoe heel structure, and improves the wearing experience and production efficiency.
Patent Information
- Application Number
- CN202522377112.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-10
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-11-10
AI Technical Summary
The existing heel structure of sock-like shoes has shortcomings in terms of assembly efficiency, stability and wearing experience. Traditional processes rely on manual positioning or complex procedures, resulting in poor precision and high cost. In addition, the multi-layered structure is prone to gaps or frictional wear.
The shoe adopts a one-piece molded flexible sock structure. By reverse-fitting the shaping back cover and folding it over to form a double-layer structure, the shoe last provides a positioning reference, realizing the synchronous assembly of the shaping back cover and the double-layer sock cover, avoiding manual positioning and complicated sewing processes.
It improves assembly precision and product consistency, simplifies production processes, reduces costs, enhances the structural stability and wearing comfort of the heel area, avoids friction and discomfort, and is suitable for mass production.
Smart Images

Figure CN224670936U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of shoe design, and in particular to a sock-like shoe with an embedded molded heel. Background Technology
[0002] In the field of footwear structural design and manufacturing, sock-like shoes have become a research hotspot due to their fit and ease of wear. However, existing technologies still have shortcomings in terms of assembly efficiency, stability, and wearing experience of the heel support structure.
[0003] From the perspective of patent technology, the existing solutions have the following drawbacks: 1. For the assembly of the heel cover after shaping, such as the patent CN208242988U (a shoe cover that fits the heel), the method of using glue to stick the insole and the heel cover not only relies on manual positioning, which leads to unstable assembly accuracy, but also increases environmental protection and process costs due to the use of glue. 2. Although patent CN108720161B (a new type of sock shoe and its production method) achieves the combination of inner and outer socks through one-piece knitting, the heel area lacks a targeted support structure, and the fit of the multi-layer socks depends on subsequent heat setting, which is a complex process. 3. For the molding of double-layer socks, existing technologies mostly adopt "layer stitching" (such as some sock shoe patents that splice the inner and outer layers with a sewing machine). For example, patent CN108411476B (a production method of multi-layer sock shoes) requires the inner sock to be turned inside out and then heated and glued. This not only increases the stitching / gluing process, but also easily creates gaps or frictional wear between the layers, affecting structural stability and wearing comfort.
[0004] In summary, the existing heel structure of sock-like shoes either relies on manual assembly (such as gluing and sewing), resulting in low efficiency and poor precision, or achieves a multi-layer structure through complex processes, sacrificing cost and comfort. There is an urgent need for an innovative structure that can simplify the process and automatically achieve double-layer shoe-sock clamping and shaping. Utility Model Content
[0005] To overcome the shortcomings mentioned above, this utility model provides a technical solution that can solve the above problems.
[0006] A sock-like shoe with an embedded molded heel, comprising a sock, a molded heel cover, and a shoe last; The shoe last is a support base shaped like the foot; The shoes and socks have a front and a back, with the back of the shoes and socks wrapped around the shoe last; The shaping sleeve is placed at the heel of the shoe last and socks; The upper part of the sock is folded to the front and wrapped around the shaping sleeve and the shoe last, forming a double-layer sock structure wrapped around the outside of the shoe last. The shaping sleeve is wrapped around the reverse side of the sock.
[0007] Furthermore, the shoes and socks are a one-piece molded flexible structure.
[0008] Furthermore: the socks are longer than the shoe last.
[0009] Furthermore, the shape of the shaping sleeve is adapted to the contour of the heel of the shoe last.
[0010] Furthermore: the double-layer structure of the shoe and sock includes an inner layer and an outer layer, the front of the inner layer is attached to the outer side of the shoe last, and the back of the outer layer is attached to the back of the inner layer.
[0011] Furthermore, the inner and outer layers of the shoe and sock form a continuous double-layer wrapping structure in the area from the toe to the heel of the shoe last.
[0012] Furthermore, the shoes and socks are made of textile materials.
[0013] Furthermore, the shaping sleeve is made of an elastic material.
[0014] Furthermore, the front of the shoes and socks is fixedly sewn with several shoelace insertion positions.
[0015] Furthermore: the upper part of the shoe and sock is provided with a sock opening, the inner and outer sides of the sock opening are the front and back of the shoe and sock respectively, and the shoe and sock are wrapped around the shoe last through the sock opening.
[0016] Compared with the prior art, the beneficial effects of this utility model are: 1. It abandons the complicated steps of separately gluing and sewing the shaping cover in the traditional process, and realizes the synchronous assembly of the shaping cover and the double-layer sock cover through the integrated molding process of "reverse placement of the sock cover ~ insertion of the shaping cover ~ folding back to the right side"; 2. The support function of the shoe last provides a natural positioning benchmark for the shaping sleeve, ensuring that it always fits the heel contour of the shoe last, effectively avoiding the deviation and offset problems caused by manual positioning, and greatly improving the assembly accuracy and product consistency. 3. No additional sewing machines or special positioning fixtures are required, reducing at least 2-3 production steps, significantly lowering production complexity and labor costs, making it suitable for large-scale mass production.
[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0018] 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.
[0019] Figure 1 This is a schematic diagram of the assembled structure of this utility model; Figure 2 This is a structural diagram of the present invention before assembly; Figure 3 This is a schematic diagram of how shoes and socks are put onto a shoe last; Figure 4 This is a structural diagram showing the placement of the shaping sleeve on the heel of the shoe, sock, and shoe last. Figure 5 This is a schematic diagram of the structure where the upper part of the shoe or sock is folded to the front and fitted onto the shaping sleeve and shoe last; Figure 6 yes Figure 1 A structural diagram from another perspective.
[0020] The diagram shows: 1. Shoes and socks; 1.1. Front; 1.2. Back; 1.3. Sock cuff; 2. Shaping back cover; 3. Shoe last; 4. Shoelace insertion point. Detailed Implementation
[0021] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.
[0022] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.
[0023] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0026] like Figure 1-6 As shown, the present invention provides a sock-like shoe with an internally molded heel, comprising a shoe sock 1, a molded heel cover 2, and a shoe last 3; The shoe last 3 is a support base shaped like a foot; The sock 1 includes a front side 1.1 and a back side 1.2, with the back side 1.2 of the sock 1 fitted over the shoe last 3; The shaping sleeve 2 is placed at the heel of the shoe last 3 and the sock 1; The upper end of the sock 1 is folded to the front 1.1 and wrapped around the shaping sleeve 2 and the shoe last 3, forming a double-layer sock 1 structure wrapped around the outside of the shoe last 3. The shaping sleeve 2 is wrapped around the reverse side 1.2 of the sock 1. The principle is as follows: By wrapping the shoe sock 1 on the shoe last 3, and using the reverse-sole-as-upper method of shoe sock 1, the double-layer structure of shoe sock 1 is wrapped on the shoe last 3 for positioning, and the stable assembly of the shaping sleeve 2 is completed. The shaping sleeve 2 can be located on the reverse side 1.2 of shoe sock 1, and by the tension of shoe sock 1, the shaping sleeve 2 is internally installed in the shoe. No subsequent sewing operation is required, and there is no need to set up a multi-layer structure for the shoe, which is beneficial to the lightweight design of the shoe. After the shoe sock 1 is reversed and made into an upper, it can form a strong double-layer structure, which can be used as the upper to ensure its service life. After the shoe sock 1 is installed, the sole is installed on the bottom side of shoe sock 1 by glue or sewing. The sole can cover the sock opening 1.3 of shoe sock 1 to achieve a firm assembly. Finally, the shoe last 3 is removed to realize the mass production of the shoe.
[0027] Furthermore, the shoe / sock 1 is a one-piece molded flexible structure, which facilitates the double-layer flipping and shaping of the shoe / sock 1 by turning the sole inside out, thus enabling mass production of the shoes.
[0028] Furthermore: the sock 1 is longer than the shoe last 3; this facilitates the assembly of the sock 1 when the sole is reversed on the shoe last 3, allowing the sock 1 to form a double-layer protective structure, realizing the integrated production design of the shoe surface, and also allowing the shaping sleeve 2 to be embedded in the reverse side 1.2 of the sock 1, ensuring the firm assembly of the shaping sleeve 2.
[0029] Furthermore, the shape of the shaping sleeve 2 is adapted to the contour of the heel of the shoe last 3; this ensures the precise positioning and assembly of the shaping sleeve 2, facilitating the mass production of shoes.
[0030] Furthermore, the double-layer structure of the shoe / sock 1 includes an inner layer and an outer layer. The front side 1.1 of the inner layer is bonded to the outer side wall of the shoe last 3, and the reverse side 1.2 of the outer layer is bonded to the reverse side 1.2 of the inner layer. By reverse-facing the sole to form the upper, a double-layer upper structure can be formed. The upper can be assembled by bonding and wrapping, which facilitates the shaping of the upper, ensures its durability, and improves its service life.
[0031] Furthermore, the inner and outer layers of the shoe and sock 1 form a continuous double-layer wrapping structure in the area from the toe to the heel of the shoe last 3; this can form an integrated double-layer upper, ensuring the durability and integrity of the shoe, while also facilitating mass production of the shoe.
[0032] Furthermore: the shoes and socks 1 are made of textile materials; they can be produced and processed by automatic or manual sewing methods, and by selecting appropriate textile materials, a stable upper structure can be formed after the sole is reversed and the upper is made, thus ensuring their service life.
[0033] Furthermore, the shaping sleeve 2 is made of elastic material, which can ensure the comfort of the shoes during use.
[0034] Furthermore: the front side 1.1 of the shoe and sock 1 is fixedly sewn with several shoelace threading positions 4; the shoelace threading positions 4 can be used to thread shoelaces, thereby facilitating the use of the shoes.
[0035] Furthermore: the upper end of the shoe / sock 1 is provided with a sock opening 1.3, the inner and outer sides of the sock opening 1.3 are the front 1.1 and the back 1.2 of the shoe / sock 1, respectively. The shoe / sock 1 is wrapped around the shoe last 3 through the sock opening 1.3; the sock opening 1.3 can be used to perform double-layer wrapping assembly with the sole reversed as the upper, realizing the internal implantation design of the sleeve 2 after shaping, which is convenient for mass production of shoes.
[0036] This invention utilizes a double-layer sock-like structure formed by folding to tightly clamp the shaping sleeve 2 between the inner and outer layers, creating a composite support system of "inner layer fit ~ padding support ~ outer layer protection". The synergistic wrapping force of the double-layer sock-like structure enables the shaping sleeve 2 to form a rigid connection with the shoe body structure, avoiding the defects of traditional adhesive shaping sleeve 2 that are prone to falling off and shifting. This significantly improves the structural stability and support of the heel area and effectively delays the loosening and deformation of the fabric caused by long-term wear.
[0037] This invention features a double-layered sock liner formed by folding and molding. The inner and outer layers form a continuous and seamless wrapping structure from the toe to the heel, avoiding the friction and discomfort caused by seams and needle holes in traditional sewing processes, and significantly improving the fit. The inner sock liner directly fits the foot, while the outer sock liner provides structural support. The elastic shaping back sleeve 2 sandwiched in the middle can ensure the support of the heel area and also cushion the impact during walking and exercise, achieving a balance between support and comfort.
[0038] The double-layer design of this shoe and sock 1 reduces direct friction between the foot and the shoe, and the breathability of the sock fabric further enhances dryness and comfort during long-term wear.
[0039] This embodiment does not impose any limitation on the shape, material, structure, etc. of this utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model shall fall within the protection scope of this utility model.
Claims
1. A sock-like shoe with an embedded molded heel, characterized in that: This includes shoes and socks, shaping covers, and shoe lasts; The shoe last is a support base shaped like the foot; The shoes and socks have a front and a back, with the back of the shoes and socks covering the shoe last; The shaping sleeve is placed at the heel of the shoe last and socks; The upper part of the sock is folded to the front and wrapped around the shaping sleeve and the shoe last, forming a double-layer sock structure wrapped around the outside of the shoe last. The shaping sleeve is wrapped around the reverse side of the sock.
2. The sock-like shoe with an embedded molded heel according to claim 1, characterized in that: The shoes and socks are a one-piece molded flexible structure.
3. The sock-like shoe with an embedded molded heel according to claim 1, characterized in that: The socks are longer than the shoe last.
4. A sock-like shoe with an embedded molded heel according to claim 1, characterized in that: The shape of the shaping sleeve is adapted to the contour of the heel of the shoe last.
5. A sock-like shoe with an embedded molded heel according to claim 1, characterized in that: The double-layer structure of the shoes and socks includes an inner layer and an outer layer. The front of the inner layer is attached to the outer side of the shoe last, and the back of the outer layer is attached to the back of the inner layer.
6. A sock-like shoe with an embedded molded heel according to claim 5, characterized in that: The inner and outer layers of the shoes and socks form a continuous double-layer wrapping structure in the area from the toe to the heel of the shoe last.
7. A sock-like shoe with an embedded molded heel according to claim 1, characterized in that: The shoes and socks are made of textile materials.
8. A sock-like shoe with an embedded molded heel according to claim 1, characterized in that: The shaping sleeve is made of elastic material.
9. A sock-like shoe with an embedded molded heel according to claim 1, characterized in that: The front of the shoes and socks is fixedly sewn with several shoelace insertion positions.
10. A sock-like shoe with an embedded molded heel according to claim 1, characterized in that: The upper part of the shoe and sock has a sock opening, and the inner and outer sides of the sock opening are the front and back of the shoe and sock, respectively. The shoe and sock are wrapped around the shoe last through the sock opening.
Citation Information
Patent Citations
A method for producing multi-layered sock shoes
CN108411476B
A novel type of sock shoe and its manufacturing method
CN108720161B
Laminating heel shoe cover
CN208242988U