Heel insole assembling structure

Abstract

The invention discloses a shoe heel midsole assembly structure, and relates to the technical field of shoe heel assembly structures, the shoe heel midsole assembly structure comprises a midsole plate and a shoe heel, the rear end of the midsole plate is provided with a heel part, the lower wall surface of the heel part is provided with a convex foot, an assembly assembly is arranged between the convex foot and the shoe heel, and the lower wall surface of the shoe heel is fixedly provided with a heel lift. The bolts in the splicing assembly are screwed upwards into the threaded grooves in the protruding feet of the middle bottom plate from the inserting holes in the bottom of the heel, the key change enables the stress ends (nuts) of all fasteners to be hidden in the heel and below the heel lift, the upper surface of the middle bottom plate is kept complete and flat, no nail hole or protrusion exists, and therefore the splicing assembly is convenient to assemble and disassemble. After the shoe is assembled, a layer of insole cloth does not need to be attached to cover and level, the problems of delaminating and cracking caused by failure of an adhesive layer of the insole cloth and the problem of glue overflowing which is difficult to control in the attaching process are fundamentally solved, and the cleanliness, attractiveness and long-term wearing reliability of the interior of a product are greatly improved.

Description

Technical Field

[0001] This invention relates to the field of shoe heel splicing structure technology, specifically to a shoe heel midsole splicing structure. Background Technology

[0002] In shoemaking, the connection between the heel and the midsole is one of the key factors that determines the overall structural stability, wearing comfort, and appearance quality of the shoe. Traditional heeled shoes (especially those with independent heels) are usually fixed in a "top-down" manner during production. The typical process is as follows: first, the upper is combined with the covered midsole, then the forefoot sole is installed, and then the heel component, which has been pre-sealed and combined with the top layer (i.e., the heel surface), is placed in the corresponding position on the heel part of the midsole. Finally, the operator needs to drive nails or screws into the heel from the upper surface of the midsole downwards to fix the heel to the midsole.

[0003] This traditional construction method inevitably involves a subsequent step: because the nail or screw heads of the fasteners (nails or screws) are exposed on the upper surface of the midsole, forming an uneven depression or protrusion, in order to cover these fasteners, provide a flat foot surface, and improve comfort, a layer of midsole fabric (or insole fabric) must be glued to the entire upper surface of the midsole after the heel is fixed. This gluing process brings well-known drawbacks: First, the midsole fabric is glued on, and under the influence of repeated bending of the wearer's foot, sweat, and temperature changes, the adhesive layer is prone to failure, causing the midsole fabric to delaminate and crack from the midsole plate, seriously affecting the wearing experience and product lifespan; second, the gluing process is very prone to glue overflow, and glue seeps out and contaminates the surface or edges of the midsole fabric, affecting the aesthetics and cleanliness of the inside of the shoe, which is a common process quality problem. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a heel midsole assembly structure. This solves the problem that in existing heel installation processes, the midsole fabric is glued together, which is prone to failure under the influence of repeated bending, sweat, and temperature changes of the wearer's foot. This leads to delamination and cracking of the midsole fabric from the midsole plate, severely impacting the wearing experience and product lifespan. Furthermore, the bonding process is highly susceptible to glue overflow, which seeps out and contaminates the surface or edges of the midsole fabric, affecting the aesthetics and cleanliness of the shoe's interior – a common manufacturing quality issue.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a shoe heel midsole assembly structure, comprising a midsole plate and a shoe heel, wherein the rear end of the midsole plate is provided as a heel portion, the lower wall of the heel portion is provided with a protruding foot, a splicing component is provided between the protruding foot and the shoe heel, and a top cover is fixedly installed on the lower wall of the shoe heel.

[0006] Preferably, the heel has a hollow structure, the lower wall of the heel has an open structure, and the top is fixedly installed on the lower wall of the heel.

[0007] Preferably, the splicing component includes a hollow column, the upper wall of the heel has a through hole, the hollow column is fixedly installed in the through hole, the upper end of the hollow column has an open structure, the lower wall of the hollow column has an insertion hole, the lower wall of the protruding foot has a threaded groove, a bolt is inserted into the insertion hole, and the bolt is screwed into the threaded groove.

[0008] Preferably, the number of protruding feet corresponds to the number of hollow columns, and the number of through holes corresponds to the number of protruding feet.

[0009] Preferably, the outer diameter of the protruding foot gradually decreases from top to bottom, and the inner diameter of the hollow column gradually decreases from top to bottom.

[0010] Preferably, the inner bottom plate has a high-elastic latex or high-density sponge on its inner wall surface.

[0011] Beneficial effects This invention provides a shoe heel midsole assembly structure. The core improvement of this invention lies in subverting the traditional assembly logic of "driving nails downwards from the upper surface of the midsole" and creatively adopting a reverse fastening method of "driving screws from below the heel towards the protruding part of the midsole". Specifically, the bolts in the assembly are screwed upwards from the insertion hole at the bottom of the heel into the threaded groove inside the protruding part of the midsole plate. This key change ensures that the stress end (nut) of all fasteners is hidden inside the heel and under the top layer, while the upper surface of the midsole plate remains intact and flat, without any nail holes or protrusions. Therefore, after the shoe is assembled, there is no need to attach a layer of midsole fabric for covering and leveling, fundamentally eliminating the problems of delamination and cracking caused by the failure of the midsole fabric adhesive layer, as well as the problem of glue overflow that is difficult to control during the bonding process. This greatly improves the cleanliness, aesthetics, and long-term wear reliability of the product. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the main structure of the shoe heel midsole assembly structure described in this invention.

[0013] Figure 2 This is a side sectional view of the shoe heel midsole assembly structure described in this invention.

[0014] Figure 3 This is an exploded cross-sectional view of the shoe heel midsole assembly structure described in this invention.

[0015] In the picture: 1. Insole plate; 2. Heel; 3. Protruding foot; 4. Top plate; 5. Hollow column; 6. Insert hole; 7. Threaded groove; 8. Bolt. Detailed Implementation

[0016] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] Please see Figure 1-3 The present invention provides a technical solution: a midsole assembly structure for a shoe heel 2, including a midsole plate 1 and a shoe heel 2, wherein the rear end of the midsole plate 1 is provided as a heel part, the lower wall of the heel part is provided with a protruding foot 3, a splicing component is provided between the protruding foot 3 and the shoe heel 2, and a top leather 4 is fixedly installed on the lower wall of the shoe heel 2.

[0018] In this embodiment, the heel 2 is further configured to have a hollow structure, the lower wall of the heel 2 has an open structure, and the top cover 4 is fixedly installed on the lower wall of the heel 2.

[0019] In this embodiment, the splicing component includes a hollow column 5, a through hole is provided on the upper wall of the heel 2, the hollow column 5 is fixedly installed in the through hole, the upper end of the hollow column 5 has an open structure, an insertion hole 6 is provided on the lower wall of the hollow column 5, a threaded groove 7 is provided on the lower wall of the protruding foot 3, a bolt 8 is inserted into the insertion hole 6, and the bolt 8 is screwed into the threaded groove 7.

[0020] In this embodiment, the number of protruding feet 3 corresponds to the number of hollow columns 5, and the number of through holes corresponds to the number of protruding feet 3.

[0021] In this embodiment, the outer diameter of the protruding foot 3 gradually decreases from top to bottom, and the inner diameter of the hollow column 5 gradually decreases from top to bottom.

[0022] In this embodiment, the upper wall surface of the middle base plate 1 is provided with high-elastic latex or high-density sponge.

[0023] Its detailed connection method is a well-known technology in this field. The following mainly introduces the working principle and process, and the specific work is as follows.

[0024] Example: As shown in the attached drawings of the instruction manual, the number of protruding feet 3 is set according to the size of the midsole plate 1, with at least two. The through holes and hollow columns 5 on the heel 2 are also at least two. When installing the heel 2, the heel 2 is inserted into the protruding feet 3 through the hollow columns 5. At this time, the insertion hole 6 corresponds to the threaded groove 7. The bolt 8 is inserted through the insertion hole 6 and screwed into the threaded groove 7. At this time, the heel 2 is connected to the midsole plate 1. The top cover 4 is fixed to the bottom of the heel 2, thereby completing the installation and connection of the heel 2.

[0025] It should be noted that in this paper, relational terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations.

Claims

1. A midsole assembly structure for a shoe heel (2), comprising a midsole plate (1) and a shoe heel (2), characterized in that, The rear end of the midsole plate (1) is set as a heel, and the lower wall of the heel is provided with a protruding foot (3). A splicing component is provided between the protruding foot (3) and the heel (2). A top cover (4) is fixedly installed on the lower wall of the heel (2).

2. The midsole assembly structure of the heel (2) according to claim 1, characterized in that... The heel (2) has a hollow structure, the lower wall of the heel (2) has an open structure, and the top cover (4) is fixedly installed on the lower wall of the heel (2).

3. The midsole assembly structure of the heel (2) according to claim 2, characterized in that... The splicing component includes a hollow column (5), the upper wall of the heel (2) is provided with a through hole, the hollow column (5) is fixedly installed in the through hole, the upper end of the hollow column (5) has an open structure, the lower wall of the hollow column (5) is provided with an insertion hole (6), the lower wall of the protruding foot (3) is provided with a threaded groove (7), a bolt (8) is inserted into the insertion hole (6), and the bolt (8) is screwed into the threaded groove (7).

4. The midsole assembly structure of the heel (2) according to claim 3, characterized in that... The number of protruding feet (3) corresponds to the number of hollow columns (5), and the number of through holes corresponds to the number of protruding feet (3).

5. The midsole assembly structure of the heel (2) according to claim 4, characterized in that... The outer diameter of the protruding foot (3) gradually decreases from top to bottom, and the inner diameter of the hollow column (5) gradually decreases from top to bottom.

6. The midsole assembly structure of the heel (2) according to claim 1, characterized in that... The upper wall of the bottom plate (1) is provided with high-elastic latex or high-density sponge.

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