High-toughness injection molding shoe

Abstract

The utility model relates to the technical field of injection-molded shoes, in particular to a high-toughness injection-molded shoe, which comprises a sole, the sole is injection-molded by adopting an integral molding technology, a vamp is fixedly mounted at the front end of the upper end surface of the sole, a wear-resistant layer is mounted at the bottom of the sole in a gluing manner, a first cavity is formed in the inner side of the sole, and a second cavity is formed in the outer side of the sole. A lining is embedded in the first cavity, and the front end of the first cavity extends into the middle section of the sole; and a second cavity is formed in the rear end of the bottom of the lining, the second cavity is perpendicular to the bottom face of the lining, and a buffering air bag is installed in the second cavity in an embedded mode. According to the high-toughness injection-molded shoe, pressure borne by the shoe sole can be dispersed, the toughness and durability of the shoe sole are improved, through comprehensive application of the design characteristics, the toughness of the shoe sole can be effectively improved, particularly, the risk that the shoe sole is broken due to long-time bending is reduced in the middle section area of the shoe sole, and the service life of the shoe sole is prolonged. Therefore, the overall durability and wearing comfort of the shoes are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection shoe technical field, concretely is a kind of high toughness injection shoe. BACKGROUND

[0002] Injection shoes are characterized by using plastic materials to manufacture soles. In the production process, plastic raw materials are heated and melted, and then directly injected into the mold through the nozzle of the injection molding machine. In the mold, the plastic is cooled and solidified under certain temperature and pressure to form the shape of the sole. At the same time, the upper is usually made of fabric or leather, which is combined with the injection-molded sole by adhesion or other means. This process makes the sole have good flexibility and elasticity, and can be closely combined with the upper to form a complete pair of shoes. Injection shoes are popular in the market due to their high production efficiency, low cost and comfortable wearing.

[0003] After a large amount of retrieval, a high-elasticity injection shoe is disclosed in CN218389948U. By the cooperation of the injection shoe body, the sole, the upper, the first spring, the buffer plate, the damper, the air bag, the fixing block, the second spring and the protective layer, the elasticity of the sole can be effectively improved, the comfort during wearing can be improved, and the puncture-proof function is increased, and the protection performance is improved.

[0004] The existing shoes in the prior art can effectively improve the elasticity of the sole when worn, but the thickness of the front and rear ends of the sole is different, and the connection between the rear end and the front end of the sole is prone to breakage under the condition of long-time walking. The existing shoes in the prior art have not been improved when worn, which leads to the risk of breakage of the sole. Therefore, a high-toughness injection shoe is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a high-toughness injection shoe, which has the advantages of increasing the toughness of the sole and significantly improving the toughness of the middle section of the sole, thereby reducing the risk of breakage of the sole. The problem of breakage of the middle section of the sole under the condition of repeated bending during walking is solved.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a high-toughness injection shoe, comprising a sole, the sole is integrally formed by injection molding, a shoe upper is fixedly installed at the front end of the upper end face of the sole, a wear-resistant layer is glued and installed at the bottom of the sole, a first cavity is formed in the inner side of the sole, an inner lining is embedded and installed in the first cavity, and the first cavity extends into the middle section of the sole at the front end.

[0007] A second cavity is formed at the bottom rear end of the inner lining, the second cavity is perpendicular to the bottom surface of the inner lining, and a buffer air bag is embedded and installed in the second cavity.

[0008] Preferably, the bottom rear end of the wear-resistant layer is provided with anti-slip patterns, the wear-resistant layer is designed with soft rubber material, and the bottom of the first cavity is closed by the wear-resistant layer. In the design, the wear-resistant layer not only uses soft rubber material to provide excellent wear resistance and good grip, but also carefully designs anti-slip patterns at the bottom rear end. Such anti-slip patterns can effectively increase the friction between the sole and the ground, thereby providing stable support and anti-slip effect on various ground conditions. In addition, the wear-resistant layer also cleverly closes the bottom of the first cavity, which not only enhances the structural integrity of the sole, but also helps to protect the built-in insole and air cushion from external damage.

[0009] Preferably, the bottom of the two sides of the upper is embedded on the upper end face of the front end of the two sides, and the upper is connected with the sole by sewing with nylon thread. The upper is designed with oxford cloth material, and the upper adopts X-shaped structure design. In the design, the upper is designed with durable and comfortable oxford cloth material, and is connected with the sole by sewing with nylon thread, ensuring the firm combination between the upper and the sole. In addition, the X-shaped structure design of the upper not only provides good support, but also enhances the overall stability of the shoe. The bottom of the two sides of the upper is cleverly embedded on the upper end face of the front end of the two sides, which makes the combination of the upper and the sole more closely, providing better wrapping and comfort.

[0010] Preferably, the upper and lower ends of the first cavity respectively penetrate the rear end of the sole, and the longitudinal section of the first cavity adopts L-shaped structure design. In the design, the upper and lower ends of the first cavity penetrate the rear end of the sole, and the longitudinal section of the first cavity adopts L-shaped structure design. This L-shaped structure not only provides sufficient space for the insole and air cushion, but also helps to distribute the pressure on the sole, thereby improving the toughness and durability of the sole. In addition, this design also helps to reduce the weight of the sole, making the shoe more lightweight.

[0011] Preferably, the front end of the insole is embedded in the medial midfoot of the sole, the upper end face of the insole is flush with the rear end of the upper end face of the sole, the insole is designed with foamed thermoplastic polyurethane material, and the rear end of the insole bottom does not contact the upper end face of the wear-resistant layer. In the design, the insole is designed with foamed thermoplastic polyurethane material, which is not only light, but also has good cushioning performance and comfort. The front end of the insole is embedded in the medial midfoot of the sole, and the upper end face is flush with the rear end of the upper end face of the sole. This design ensures the close fit between the insole and the sole, providing better support and comfort. In addition, the rear end of the insole bottom does not contact the upper end face of the wear-resistant layer, which helps to reduce friction and prolong the service life of the shoe.

[0012] Preferably, the buffer air bag is glued and mounted in the second cavity, the bottom of the buffer air bag is in contact with the upper end surface of the wear-resistant layer but not fixedly connected, compressed air is injected into the buffer air bag, and the buffer air bag is designed of polyurethane material. In the design, the buffer air bag is designed of polyurethane material and injected with compressed air, which not only provides excellent buffering performance, but also helps to absorb the impact force generated when walking or running. The buffer air bag is glued and mounted in the second cavity, and the bottom is in contact with the upper end surface of the wear-resistant layer but not fixedly connected, which enables the buffer air bag to move freely when subjected to pressure, thereby providing more flexible buffering effect. In addition, this design helps to reduce the deformation between the buffer air bag and the sole due to friction, further improving the comfort and durability of the shoe.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] In the utility model, the sole is integrally formed by injection molding, which can ensure the integrity and uniformity of the sole, thereby improving the toughness and durability of the sole. The wear-resistant layer is glued and mounted at the bottom of the sole, and is made of soft rubber material and designed with anti-skid lines. This design not only provides excellent wear resistance, but also increases the friction between the sole and the ground, providing stable support and anti-skid effect, while closing the bottom of the first cavity and enhancing the structural integrity of the sole. The first cavity is formed in the inner side of the sole, and the inner lining is embedded and mounted therein. The second cavity is formed at the bottom rear end of the inner lining, and the buffer air bag is embedded and mounted therein. This design can provide additional cushioning and support in the middle section of the sole, reducing the bending pressure when walking, thereby reducing the risk of breakage. The buffer air bag is made of polyurethane material and injected with compressed air, and the bottom is in contact with the upper end surface of the wear-resistant layer but not fixedly connected. This design enables the buffer air bag to move freely when subjected to pressure, providing flexible buffering effect, while reducing friction deformation between the buffer air bag and the sole, improving the comfort and durability of the shoe. The longitudinal section of the first cavity is designed in an L-shaped structure, which provides sufficient space for the inner lining and the buffer air bag, helps to distribute the pressure on the sole, improves the toughness and durability of the sole, and also helps to reduce the weight of the sole, making the shoe more lightweight. Through the comprehensive application of these design features, the high-toughness injection shoe can effectively increase the toughness of the sole, especially in the middle section of the sole, reducing the risk of breakage due to long-term bending, thereby improving the overall durability and wearing comfort of the shoe. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a sole structure schematic diagram of the utility model;

[0017] Figure 3The utility model discloses a shoe sole cross section structure schematic diagram.

[0018] Figure 4 The utility model discloses a Figure 3 Amplification structure schematic diagram.

[0019] In the drawing: 1, shoe sole;11, inner lining;111, first cavity;12, buffer air bag;121, second cavity;2, vamp;3, wear-resistant layer;31, antiskid line. Specific implementation

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of the utility model protection.

[0021] Embodiment one: as Figure 1 、 Figure 2 、 Figure 3 And Figure 4 The utility model provides an embodiment: a kind of high tenacity injection shoe, including shoe sole 1, shoe sole 1 uses integrated molding technology injection molding, and the front end of shoe sole 1 upper end face is fixedly installed with vamp 2, and the bottom cementation of shoe sole 1 is installed with wear-resistant layer 3, and the inside of shoe sole 1 is provided with first cavity 111, and first cavity 111 is embedded with inner lining 11, and first cavity 111 front end is inserted into shoe sole 1 middle section.

[0022] The bottom rear end of inner lining 11 is provided with second cavity 121, and second cavity 121 is perpendicular to inner lining 11 bottom surface, and buffer air bag 12 is embedded in second cavity 121.

[0023] Specifically, the shoe sole 1 is injection molded using an integrated molding technology. This process ensures the integrity and uniformity of the shoe sole 1, thereby improving its toughness and durability. The shoe sole 1 has a wear-resistant layer 3 attached to the bottom, which is made of soft rubber and designed with anti-slip patterns 31. This design not only provides excellent wear resistance but also increases the friction between the shoe sole 1 and the ground, providing stable support and anti-slip effect, while closing the bottom of the first cavity 111, enhancing the structural integrity of the shoe sole 1. The inside of the shoe sole 1 is provided with a first cavity 111, in which an inner liner 11 is embedded and installed. The bottom rear end of the inner liner 11 is provided with a second cavity 121, in which a buffer air bag 12 is embedded and installed. This design can provide additional cushioning and support in the middle section of the shoe sole 1, reducing the bending pressure during walking, thereby reducing the risk of breakage. The buffer air bag 12 is made of polyurethane material and filled with compressed air, with the bottom in contact with the upper end of the wear-resistant layer 3 but not fixedly connected. This design allows the buffer air bag 12 to move freely when subjected to pressure, providing flexible cushioning effect, while reducing friction and deformation between the shoe sole 1, improving the comfort and durability of the shoe. The longitudinal section of the first cavity 111 is designed in an L-shaped structure, which provides sufficient space for the inner liner 11 and the buffer air bag 12, helping to distribute the pressure on the shoe sole 1, improving the toughness and durability of the shoe sole 1, while also helping to reduce the weight of the shoe sole 1, making the shoe more lightweight. Through the comprehensive application of these design features, the high-toughness injection-molded shoe can effectively increase the toughness of the shoe sole 1, especially in the middle section of the shoe sole 1, reducing the risk of breakage due to long-term bending, thereby improving the overall durability and comfort of the shoe.

[0024] Example Two: In order to improve the grip of the shoe during use and increase comfort, as shown in Figure 1 , Figure 3 and Figure 4 , in this embodiment, the wear-resistant layer 3 has anti-slip patterns 31 at the bottom rear end, and the wear-resistant layer 3 is designed with soft rubber material. The bottom of the first cavity 111 is closed by the wear-resistant layer 3. In the design, the wear-resistant layer 3 not only uses soft rubber material to provide excellent wear resistance and good grip, but also has anti-slip patterns 31 at the bottom rear end. This anti-slip pattern 31 can effectively increase the friction between the shoe sole 1 and the ground, thereby providing stable support and anti-slip effect on various ground conditions. In addition, the wear-resistant layer 3 also cleverly closes the bottom of the first cavity 111, which not only enhances the structural integrity of the shoe sole 1, but also helps to protect the built-in inner liner 11 and buffer air bag 12 from external damage.

[0025] Further, the bottom of both sides of the vamp 2 is embedded on the upper end face of the sole 1 on both sides of the front end, and the vamp 2 is sewn and connected with the sole 1 by nylon thread. The vamp 2 is designed with oxford cloth material, and the vamp 2 adopts X-shaped structure design. In the design, the vamp 2 adopts durable and comfortable oxford cloth material, and is sewn and connected with the sole 1 by nylon thread, which ensures the firm combination between the vamp 2 and the sole 1. In addition, the X-shaped structure design of the vamp 2 not only provides good support, but also enhances the overall stability of the shoe. The bottom of both sides of the vamp 2 is cleverly embedded on the upper end face of the sole 1 on both sides of the front end, which makes the combination of the vamp 2 and the sole 1 more closely, providing better wrapping and comfort.

[0026] Example three: in order to improve the toughness of the sole during use, and increase the durability of the sole, as shown in Figure 2 , Figure 3 and Figure 4 , in this embodiment, the upper and lower ends of the first cavity 111 are respectively penetrated into the rear end of the sole 1, and the longitudinal section of the first cavity 111 adopts L-shaped structure design. In the design, the upper and lower ends of the first cavity 111 are penetrated into the rear end of the sole 1, and the longitudinal section of the first cavity 111 adopts L-shaped structure design. This L-shaped structure not only provides sufficient space for the inner lining 11 and the buffer air bag 12, but also helps to disperse the pressure on the sole 1, thereby improving the toughness and durability of the sole 1. In addition, this design also helps to reduce the weight of the sole 1, making the shoes more light and convenient.

[0027] Further, the front end of the inner lining 11 is embedded in the middle of the inner side of the sole 1, the upper end face of the inner lining 11 is flush with the rear end of the upper end face of the sole 1, the inner lining 11 adopts foamed thermoplastic polyurethane material design, and the rear end of the bottom of the inner lining 11 does not contact the upper end face of the wear-resistant layer 3. In the design, the inner lining 11 adopts foamed thermoplastic polyurethane material, which is not only light, but also has good buffering performance and comfort. The front end of the inner lining 11 is embedded in the middle of the inner side of the sole 1, and the upper end face is flush with the rear end of the upper end face of the sole 1, which ensures the close fit between the inner lining 11 and the sole 1, providing better support and comfort. In addition, the rear end of the bottom of the inner lining 11 does not contact the upper end face of the wear-resistant layer 3, which helps to reduce friction and prolong the service life of the shoes.

[0028] Further, the buffer air bag 12 is glued and installed in the second cavity 121, the bottom of the buffer air bag 12 is in contact with the upper end face of the wear-resistant layer 3 but is not fixedly connected, compressed air is injected into the buffer air bag 12, and the buffer air bag 12 is designed of polyurethane material. In the design, the buffer air bag 12 is designed of polyurethane material and is injected with compressed air, which not only provides excellent buffering performance, but also helps to absorb the impact force generated when walking or running. The buffer air bag 12 is glued and installed in the second cavity 121, and the bottom is in contact with the upper end face of the wear-resistant layer 3 but is not fixedly connected, which enables the buffer air bag 12 to move freely when subjected to pressure, thereby providing more flexible buffering effect. In addition, this design helps to reduce the deformation between the buffer air bag 12 and the sole 1 due to friction, further improving the comfort and durability of the shoe.

[0029] In use of the utility model, integrally formed technology is used to inject plastic material into a mold to form the preliminary shape of the sole 1, the first cavity 111 is formed in the inner side of the sole 1, the front end of the first cavity 111 is ensured to extend to the middle section of the sole 1, the upper and lower ends of the first cavity 111 are ensured to penetrate the rear end of the sole 1, the longitudinal section of the first cavity 111 is designed in an L-shaped structure, and the wear-resistant layer 3 is glued and installed at the bottom of the sole 1. The wear-resistant layer 3 is made of soft rubber material, and the anti-slip pattern 31 is formed at the rear end of the bottom, the upper 2 is prepared, made of oxford cloth material and designed in an X-shaped structure, and the inner liner 11 is embedded and installed in the first cavity 111. The inner liner 11 is made of foamed thermoplastic polyurethane material, the second cavity 121 is formed at the rear end of the bottom of the inner liner 11, the second cavity 121 is perpendicular to the bottom surface of the inner liner 11, and the buffer air bag 12 is embedded and installed in the second cavity 121. The buffer air bag 12 is made of polyurethane material, injected with compressed air, and the bottom is in contact with the upper end face of the wear-resistant layer 3 but is not fixedly connected. The bottom of the upper 2 is embedded into the upper end face of the sole 1 on both sides of the front end, the upper 2 and the sole 1 are sewn and connected by using nylon thread, whether all components are correctly installed is checked, the upper end face of the inner liner 11 is ensured to be flush with the upper end face of the sole 1 at the rear end, the bottom of the inner liner 11 is ensured not to be in contact with the upper end face of the wear-resistant layer 3 at the rear end, the buffer air bag 12 is ensured to be firmly glued and installed and to be in good contact with the upper end face of the wear-resistant layer 3, and after all assembly is completed, final quality inspection is carried out to ensure that the comfort, toughness and wear resistance of the shoe meet the design requirements.

[0030] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A high-toughness injection-molded shoe, comprising a shoe sole (1) that is injection molded using an integral molding technique, a shoe upper (2) fixedly mounted on the front end of the upper end face of the shoe sole (1), and a wear-resistant layer (3) adhesively mounted on the bottom of the shoe sole (1), characterized in that: a first cavity (111) is formed in the inner side of the shoe sole (1), the first cavity (111) has an inner liner (11) adhesively mounted therein, and the first cavity (111) extends into the middle section of the shoe sole (1) at the front end; a second cavity (121) is formed in the bottom rear end of the inner liner (11), the second cavity (121) is perpendicular to the bottom face of the inner liner (11), and a buffer air bag (12) is adhesively mounted in the second cavity (121).

2. A high tenacity injection molded shoe according to claim 1, wherein, The wear-resistant layer (3) has anti-slip lines (31) formed in the bottom rear end thereof, is designed using soft rubber material, and closes the first cavity (111) at the bottom.

3. A high tenacity injection molded shoe according to claim 1, wherein, The shoe upper (2) is embedded in the upper end face of the shoe sole (1) at the bottom of both sides, is sewn to the shoe sole (1) by nylon thread, is designed using oxford cloth material, and has an X-shaped structure.

4. A high tenacity injection molded shoe according to claim 1, wherein, The first cavity (111) extends through the rear end of the shoe sole (1) at the upper and lower ends thereof, and has an L-shaped structure in the longitudinal section.

5. A high tenacity injection molded shoe according to claim 1, wherein The inner liner (11) is embedded in the middle section of the inner side of the shoe sole (1) at the front end, has an upper end face that is flush with the rear end of the upper end face of the shoe sole (1), is designed using foamed thermoplastic polyurethane material, and has a bottom rear end that does not contact the upper end face of the wear-resistant layer (3).

6. A high tenacity injection molded shoe according to claim 1, wherein, The buffer air bag (12) is adhesively mounted in the second cavity (121), has a bottom that contacts but is not fixedly connected to the upper end face of the wear-resistant layer (3), is filled with compressed air, and is designed using polyurethane material.

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