Shoe head pad

Abstract

The utility model relates to the field of shoe production, in particular to a shoe head pad which comprises a pad body, and an arc-shaped containing groove is formed in the front side of the pad body. A limiting block is arranged at the top of the containing arc-shaped groove, the top face of the limiting block is a press-fit face, the rear end of the limiting block protrudes out of the cushion body, the front end of the limiting block extends to the position above the containing arc-shaped groove, and the press-fit die exerts thrust on the rear end of the limiting block and the cushion body on the rear portion. The limiting block is driven to deflect towards the top of the front end of the shoe sole and the top of the front end of the shoe upper, and the external pressing part applies pressure to the pressing surface, so that the limiting block is accurately pressed at the connecting position of the front end of the shoe sole and the front end of the shoe upper; the outer side of the sole front end and the connecting position of the sole front end and the upper front end are comprehensively wrapped and limited, it is ensured that the sole front end and the upper front end are tightly attached, and the product percent of pass is increased.

Description

Technical Field

[0001] This utility model relates to the field of shoe manufacturing, specifically to a toe pad. Background Technology

[0002] The shoe manufacturing process involves multiple stages, including design and development, raw material preparation, production, and quality inspection. The production process is divided into upper fabrication, sole fabrication, and the assembly of the upper and sole. Specifically, the upper is cut, sewn, and decorated; the sole is manufactured through molding or injection molding and further processed. Adhesive is evenly applied to the joint between the upper and sole; the type of adhesive and the application method affect the bonding strength. After applying the adhesive, a period of time is needed for it to dry to a certain viscosity for better adhesion. The glued upper and sole are then accurately bonded together, and pressure is applied to ensure a tight bond. Accurate alignment is crucial during bonding to avoid misalignment, air bubbles, and other issues. After bonding, the shoes are placed in a shaping machine for shaping to maintain their shape. Simultaneously, the adhesive needs time to cure to achieve optimal bonding strength.

[0003] During the bonding process, a mold is typically used to house the sole and upper, applying pressure in all directions to ensure a tight fit. For athletic shoes, where the forefoot of the sole is raised and fits snugly against the forefoot of the upper, a separate toe capping structure is required during production to press them together. For example, a utility model patent application (application number 202420130599.X) entitled "A Forefoot Upper Tightening Device for Shoe Material Production" utilizes a control switch to operate a forward and reverse motor, which in turn rotates a first and second threaded column. The second threaded column, in conjunction with a threaded cap, moves a movable shaft, which in turn rotates a rotating plate. This causes a second fixed seat to push the tightening device inward, clamping the upper. That is, it uses a U-shaped clamp to clamp the upper from the side to complete the fit. However, this structure has a poor binding effect on the front of the sole. Especially when external pressing parts are required to press from top to bottom at the same time, the downward bending of the forefoot of the sole can cause the curvature to decrease and the gap to bulge. This makes it impossible for the front of the sole to fit tightly with the front of the upper, affecting the product qualification rate. Utility Model Content

[0004] The purpose of this invention is to provide a toe pad that improves the problem that conventional binding structures have poor binding effect on the front of the sole, resulting in the inability to achieve a tight fit between the front of the sole and the front of the upper, thus affecting the product qualification rate.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A toe pad includes a pad body, the front side of which is provided with an accommodating arc-shaped groove, the bottom and side of which enclose the front bottom surface of the sole, the front side surface of the sole, and the front side surface of the upper.

[0007] The top of the receiving arc-shaped groove is provided with a limiting block. The top surface of the limiting block is a pressing surface. The rear end of the limiting block protrudes from the pad body. The front end of the limiting block extends above the receiving arc-shaped groove and corresponds to the top of the raised part at the front end of the shoe sole and the top of the front end of the shoe.

[0008] Furthermore, a movable notch is provided in the center of the bottom surface of the accommodating arc-shaped groove, and the extension direction of the movable notch is the same as the front-back direction of the pad body.

[0009] Furthermore, the outer width of the movable notch is greater than the inner width of the movable notch.

[0010] Furthermore, the side height of the pad body decreases sequentially from one side of the limiting block along the front-rear direction of the pad body.

[0011] Furthermore, the rear side of the pad body slopes inward from its top to its bottom.

[0012] Furthermore, the pad body is symmetrically arranged along its left and right sides along the central axis.

[0013] Furthermore, the top of both sides of the pad body is provided with clearance notches, which are located on the left and right sides of the limiting block and connected to the sides of the limiting block.

[0014] Furthermore, the rear end of the limiting block is provided with a first protrusion, which protrudes from the pad body; the bottom of the front end of the limiting block is provided with a second protrusion.

[0015] By adopting the above technical solution, this utility model has the following advantages compared with the prior art:

[0016] The pad body is placed between the pressing mold and the toe box. The front end of the sole fits against the bottom of the groove containing the arc-shaped groove. The side of the groove wraps around the side connection between the sole and the upper at the toe box. The pressing mold applies a pushing force to the rear end of the limiting block and the pad body, causing the inner side of the arc-shaped groove to fit against the raised structure at the front end of the sole. It also drives the limiting block to deflect towards the top of the front end of the sole and the front end of the upper. The external pressing component applies pressure to the pressing surface. Through the adaptive deformation of the specific contour, the horizontal pushing force and vertical pressure are transformed into a force that sweeps upwards from below the front end of the sole. That is, by following the adhesion trend between the front end of the sole and the front end of the upper, the front end of the sole is accurately pressed onto the connection position of the front end of the upper. It is less likely to have gaps caused by pressing. This achieves full wrapping and limiting of the outer side of the front end of the sole and the connection position between the front end of the sole and the front end of the upper, ensuring a tight fit between the front end of the sole and the front end of the upper, and improving the product qualification rate. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the upper structure of the toe pad described in this utility model;

[0018] Figure 2 This is a schematic diagram of the outer structure of the toe pad described in this utility model;

[0019] Figure 3 This is a cross-sectional structural diagram of the toe pad described in this utility model;

[0020] Figure 4 This is a top view of the toe pad described in this utility model;

[0021] Figure 5 This is a schematic diagram of the mold closing for the pressing of the toe pad described in this utility model;

[0022] Figure 6 This is a schematic diagram of the pressing component of the toe pad described in this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Pad body; 11. Receiving arc groove; 111. Movable notch; 112. Clearance notch; 12. Limiting block; 121. First protrusion; 122. Second protrusion; 123. Pressing surface; 13. Rear side;

[0025] 2. Central axis;

[0026] 3. Internal padding; 4. Shoe; 5. Press-fit parts. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0028] Additionally, it should be noted that the terms "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" are all based on the orientation or positional relationship shown in the accompanying drawings. They are merely for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element of this utility model must have a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0029] When an element is referred to as being "fixed to," "set on," or "contained on" another element, it can be directly on or indirectly on that other element. When an element is referred to as being "connected to," it can be directly connected to or indirectly connected to that other element.

[0030] Unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Example

[0032] Please refer to Figure 1-4 As shown, this embodiment provides a toe pad, including a pad body 1. The front side of the pad body 1 is provided with a receiving arc-shaped groove 11. The bottom and side surfaces of the receiving arc-shaped groove 11 enclose the front bottom surface of the sole, the front side surface of the sole, and the front side surface of the upper. A limiting block 12 is provided at the top of the receiving arc-shaped groove 11. The top surface of the limiting block 12 is a pressing surface 123. The rear end of the limiting block 12 protrudes from the pad body 1. The front end of the limiting block 12 extends above the receiving arc-shaped groove 11 and corresponds to the top of the raised part of the front of the sole and the top of the front of the upper.

[0033] The pad body 1 is placed between the pressing mold and the toe. The front end of the sole fits against the bottom of the groove 11, and the side of the groove 11 wraps around the side connection between the sole and the upper at the toe. The pressing mold applies a pushing force to the rear end of the limiting block 12 and the pad body 1 from behind, so that the inner side of the groove 11 fits against the raised structure at the front end of the sole, and drives the limiting block 12 to deflect towards the top of the front end of the sole and the front end of the upper. The external pressing component applies pressure to the pressing surface 123, so that the limiting block 12 is accurately pressed into the connection position between the front end of the sole and the front end of the upper, thereby achieving full wrapping and limiting of the outer side of the front end of the sole and the connection position between the front end of the sole and the front end of the upper, ensuring a tight fit between the front end of the sole and the front end of the upper, and improving the product qualification rate.

[0034] Please refer to Figure 1 and Figure 3 As shown, furthermore, a movable notch 111 is provided in the middle of the bottom surface of the accommodating arc-shaped groove 11. The extension direction of the movable notch 111 is the same as the front-back direction of the pad body 1. The movable notch 111 makes the left and right sides of the accommodating arc-shaped groove 11 spaced apart, providing movement space for the left and right sides. During the mold closing process, the mold pushes the left and right sides of the accommodating arc-shaped groove 11 closer together through the internal pad block, realizing the fit of the two sides of the shoe toe. This avoids the accommodating arc-shaped groove 11 being squeezed and lifted up during the mold closing process, which would exert a pushing force on the shoe toe and affect the forming process of the shoe toe. In this embodiment, the width of the outer end of the movable notch 111 is greater than the width of the inner end of the movable notch 111, that is, the movable notch 111 is triangular in shape, which maximizes the distance between the free ends of the two sides of the accommodating arc-shaped groove 11, avoiding collisions during the mold closing process and affecting the position of the shoe toe.

[0035] Please refer to Figure 2 As shown, further, the side height of the pad body 1 decreases sequentially from one side of the limiting block 12 along the front-back direction of the pad body 1, reducing the side area of ​​the pad body 1, so that the side of the pad body 1 can adapt to the contour deformation of the front side of the shoe upper during the molding process, and improve the tightness of the fit between the limiting block 12 and the front of the sole and the front of the shoe upper.

[0036] Please refer to Figure 1 Furthermore, the top of both sides of the pad body 1 is provided with clearance notches 112, which are located on the left and right sides of the limiting block 12 and connected to the sides of the limiting block 12. The clearance notches 112 on both sides of the limiting block 12 lower the connection position between the side of the pad body 1 and the limiting block 12, improve the flexibility of the limiting block 12, and facilitate better fit with the top of the toe during the downward pressing process. At the same time, it reduces the impact on the side of the pad body 1 when the limiting block 12 is folded down, and avoids the formation of a raised structure on the side of the pad body 1, which would affect the fit between the side of the accommodating arc groove 11 and the side of the toe.

[0037] Please refer to Figure 2 and Figure 3 As shown, further, the rear side 13 of the pad body 1 slopes inward from its top to its bottom, effectively reducing the thickness of the pad body 1 below the limiting block 12 and further improving the flexibility of the limiting block 12. Simultaneously, in this embodiment, the rear end of the limiting block 12 is provided with a first protrusion 121, which protrudes from the pad body 1. The sloped rear side 13 cooperates with the first protrusion 121 to ensure that the pushing force provided by the mold can be better applied to the limiting block 12, driving the limiting block 12 to fold towards the top of the shoe toe. Furthermore, the front bottom of the limiting block 12 is provided with a second protrusion 122, which corresponds to the position of the top of the shoe toe. During the folding process, it abuts against the top of the shoe toe, improving the mutual pressing of the top of the shoe toe. Similarly, the second protrusion 122 can also correspond to the position at the front of the shoe. The front of the shoe of sports shoes is usually equipped with a breathable mesh. The second protrusion 122 is pressed onto the breathable mesh to provide a limiting force at the rear of the shoe to ensure that the pad body 1 and the entire shoe toe fit stably.

[0038] Please refer to Figure 4 As shown, in this embodiment, the pad body 1 is symmetrically arranged along the central axis 2 on its left and right sides, that is, the limiting block 12 and the movable notch 111 are arranged on the central axis 2. The symmetrical structure of the pad body 1 effectively improves the stability of the pad body 1 during the mold closing process, avoiding one side from contacting the mold first, which would cause the pad body 1 to become skewed and affect the fit between the pad body 1 and the shoe toe. Furthermore, the pad body 1 is a silicone pad body 1, which gives the pad body 1 good elasticity as a whole, facilitating a small degree of extension during the mold closing process and improving the fit between the pad body 1 and the shoe toe.

[0039] Please refer to the appendix. Figure 5 and attached Figure 6 The pressing mold has an internal pad 3. The pad body 1 is placed inside the internal pad 3 at one end. The toe of the shoe 4 is pressed onto the pad body 1. The internal pad 3 at the other end wraps around the heel. The pressing mold applies a force to the internal pad 3 in the direction of the pad body 1 towards both sides, driving the two sides of the pad body 1 to fit together with the two sides of the toe. At the same time, it drives the internal pad 3 on the other side to push the heel, so that the front end of the toe fits tightly with the pad body 1. The limiting block 12 is driven to fold downward and is pressed down by the external pressing component 5 to fit together with the pressing surface 123. The limiting block 12 is also driven to move downward and abut against the top of the toe, thus achieving pressing of the two sides and the top surface of the front end of the toe. Figure 5 The arrow in the image indicates the direction of the force applied by the pressing mold. Figure 6 The arrow in the image indicates the direction of movement of the pressing part 5.

[0040] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A toe pad, characterized in that, The pad body includes a receiving arc-shaped groove on its front side, and the bottom and side surfaces of the receiving arc-shaped groove enclose the front bottom surface of the sole, the front side surface of the sole, and the front side surface of the upper. The top of the receiving arc-shaped groove is provided with a limiting block. The top surface of the limiting block is a pressing surface. The rear end of the limiting block protrudes from the pad body. The front end of the limiting block extends above the receiving arc-shaped groove and corresponds to the top of the raised part at the front end of the shoe sole and the top of the front end of the shoe.

2. The toe pad according to claim 1, characterized in that: The bottom surface of the accommodating arc-shaped groove has a movable notch in the middle, and the extension direction of the movable notch is the same as the front-back direction of the pad body.

3. The toe pad according to claim 2, characterized in that: The outer width of the movable notch is greater than the inner width of the movable notch.

4. The toe pad according to claim 1, characterized in that: The side height of the pad body decreases sequentially from the side of the limiting block along the front-back direction of the pad body.

5. The toe pad according to claim 1, characterized in that: The rear side of the pad body slopes inward from its top to its bottom.

6. The toe pad according to claim 1, characterized in that: The pad body is symmetrically arranged along the central axis on its left and right sides.

7. The toe pad according to claim 1, characterized in that: The top of both sides of the pad body is provided with clearance notches, which are located on the left and right sides of the limiting block and connected to the sides of the limiting block.

8. The toe pad according to claim 1, characterized in that: The rear end of the limiting block is provided with a first protrusion, which protrudes from the pad body; the bottom of the front end of the limiting block is provided with a second protrusion.

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