Vamp binding mechanism with elastic binding structure

Abstract

The utility model discloses a vamp binding mechanism with an elastic binding structure, which comprises a clamping seat, an air bag and a shoe mold, the clamping seat is in a profiling shape and is provided with a limiting groove, the inner peripheral wall of the limiting groove is provided with the limiting groove, the air bag is arranged on the inner wall of the limiting groove, and the shoe mold is arranged in the limiting groove. The outer peripheral wall of the shoe mold is attached to the inner peripheral wall of the air bag, and a deformation area is defined by the inner peripheral wall of the shoe mold; when pressure is applied to the air bag, the air bag can apply pressure to the peripheral wall of the shoe mold and enable the shoe mold to deform inwards. The structure of the lacing mechanism is simpler through the arrangement of the air bag, in actual use, when a vamp with a shoe tree is placed in the deformation area, then the air bag is inflated, acting force is generated, and when the pressure of the air bag is larger than a preset value, the air bag abuts against the peripheral wall of the shoe mold and forces the shoe mold to deform, and then diameter shrinkage of the deformation area is achieved; the inner peripheral wall of the shoe mold is attached to the surface of the vamp, the structure is simple, and the attaching degree is higher.

Description

Technical Field

[0001] The utility model relates to the field of shoe machine equipment, in particular to a shoe upper tightening mechanism with an elastic binding structure. Background Art

[0002] In the shoe machine, in order to achieve the mutual bonding of the upper and the sole, the upper needs to be restrained and then shaped to avoid displacement when the upper and the sole are bonded.

[0003] However, the existing upper tightening mechanism has a relatively complex structure and requires multiple mechanisms to cooperate with each other to achieve tightening, but the fit between the tightening mechanism and the upper is still poor.

[0004] For example, Chinese patent CN202122396407.9 uses a flexible connector and a top flexible pressure piece to achieve the fit between the tightening member and the upper, which has a complex structure and high production cost. Utility Model Content

[0005] The main purpose of the utility model is to propose a shoe upper tightening mechanism with an elastic binding structure, which aims to apply a deformation force to the shoe mold through the elastic binding structure, thereby making the shoe mold fit the shoe upper, and the structure is simple and stable, which effectively reduces the production cost.

[0006] To achieve the above-mentioned purpose, the utility model proposes a shoe upper tightening mechanism with an elastic binding structure, comprising:

[0007] A clamp seat, the clamp seat is in a profiling shape and is provided with a limiting groove;

[0008] An airbag, wherein the airbag is arranged on the inner wall of the limiting groove;

[0009] A shoe mold, wherein the shoe mold is installed in the limiting groove, the outer peripheral wall of the shoe mold is in contact with the inner peripheral wall of the airbag, and the inner peripheral wall of the shoe mold surrounds a deformation zone;

[0010] When the airbag applies pressure, the airbag can apply pressure to the outer peripheral wall of the shoe mold and cause the shoe mold to deform inward (and fit with the shoe upper).

[0011] In the actual structure, the setting of the airbag makes the tightening mechanism structure simpler. In actual use, when the upper with the shoe last is placed in the deformation zone, the airbag is inflated and a force is generated. When the pressure is greater than a predetermined value, the airbag resists against the outer wall of the shoe mold and forces it to deform, thereby achieving a reduction in the diameter of the deformation zone, and then achieving the surface fit between the inner wall of the shoe mold and the upper. The structure is simple and the fit is higher, which effectively improves the processing accuracy and reduces the production cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a cross-sectional view of the utility model;

[0013] Figure 2 It is a three-dimensional schematic diagram of the utility model;

[0014] Figure 3 This is an exploded view of the utility model.

[0015] In the figure, 1 is a clamping seat, 10 is a limiting groove, 11 is a base, 111 is a slot, 12 is an upper splint, 2 is an airbag, 3 is a shoe mold, 30 is a deformation groove, 31 is a strip groove, 32 is a circular groove, 4 is a notch, 41 is an extension part, 5 is a tube body, and 6 is a baffle. DETAILED DESCRIPTION

[0016] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0018] In addition, if there are descriptions involving "first" or "second" etc. in the embodiments of the utility model, the descriptions of "first" or "second" etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0019] like Figures 1 to 3 As shown, a shoe upper tightening mechanism with an elastic binding structure comprises:

[0020] A clamping seat 1, wherein the clamping seat 1 is in a profiling shape and is provided with a limiting groove 10;

[0021] An airbag 2, wherein the airbag 2 is arranged on the inner wall of the limiting groove 10;

[0022] A shoe mold 3, wherein the shoe mold 3 is installed in the limiting groove 10, wherein the outer peripheral wall of the shoe mold 3 is in contact with the inner peripheral wall of the airbag 2, and the inner peripheral wall of the shoe mold 3 encloses a deformation zone;

[0023] When the airbag 2 applies pressure, the airbag 2 can apply pressure to the outer peripheral wall of the shoe mold 3 and cause the shoe mold 3 to deform inward (and fit with the shoe upper).

[0024] In the actual structure, the arrangement of the airbag 2 makes the tightening mechanism structure simpler. In actual use, when the upper with the shoe last is placed in the deformation zone, the airbag 2 is inflated and generates a force. When the pressure is greater than a predetermined value, the airbag 2 is pressed against the outer wall of the shoe mold 3 and forces it to deform, thereby achieving a reduction in the diameter of the deformation zone, and thereby achieving the surface fit between the inner wall of the shoe mold 3 and the upper. The structure is simple and the fit is higher, which effectively improves the processing accuracy and reduces the production cost.

[0025] Specifically, the limiting groove 10 extends in an arc shape from the middle toward both sides, and openings are provided on both sides. The openings are provided with detachable baffles 6, thereby facilitating the replacement of the shoe mold 3.

[0026] Furthermore, the clamping seat 1 includes a base 11 provided with a slot 111 and an upper clamping plate 12 installed on the base 11. The upper clamping plate 12 and the slot form the limiting groove 10, making the overall structure simpler.

[0027] In the embodiment of the utility model, the outer peripheral wall of the shoe mold 3 away from the inner wall is provided with interval deformation grooves 30. The deformation grooves 30 are used to make the shoe mold 3 have a degree of deformation, which changes the problem that the traditional shoe mold 3 with a single structure is uncontrollable by its own elastic deformation. Of course, the traditional shoe mold 3 can also achieve the same technical effect.

[0028] Specifically, the deformation groove 30 includes a strip groove 31 provided through and a circular groove 32 provided at the rear end of the strip groove 31. The circular groove 32 is used to make the spacing of the strip groove 31 have a conditional interval, thereby avoiding elastic fatigue caused by excessive deformation that causes the deformation groove 30 to exceed a predetermined value.

[0029] Furthermore, the shoe mold 3 has a predetermined hardness.

[0030] In the embodiment of the utility model, the shoe mold 3 is made of Teflon material or its surface is coated with Teflon material, thereby reducing the wear caused when tightening the shoe upper.

[0031] Specifically, notches 4 are extended radially outward at both ends of the limiting groove 10, and the airbag 2 is provided with an extension portion 41 extending into the notch 4. Through the provision of the extension portion 41, the end of the shoe mold 3 can be abutted against the end of the shoe mold 3, effectively solving the problem of low fit between the end of the shoe mold and the shoe upper.

[0032] In the embodiment of the utility model, a tube body 5 is provided at the rear end of the base 11 , and the tube body 5 is connected to a pneumatic device, and the tube body 5 is connected to the airbag 2 .

[0033] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A shoe upper tightening mechanism with an elastic binding structure, characterized in that: include: A clamp seat, the clamp seat is in a profiling shape and is provided with a limiting groove; An airbag, wherein the airbag is arranged on the inner wall of the limiting groove; A shoe mold, wherein the shoe mold is installed in the limiting groove, the outer peripheral wall of the shoe mold is in contact with the inner peripheral wall of the airbag, and the inner peripheral wall of the shoe mold surrounds a deformation zone; When the airbag applies pressure, the airbag can apply pressure to the outer peripheral wall of the shoe mold and cause the shoe mold to deform inward.

2. The upper tightening mechanism with elastic binding structure according to claim 1, characterized in that: The limiting groove extends in an arc shape from the middle toward both sides, and openings are provided on both sides, and the openings are provided with detachable baffles.

3. The shoe upper tightening mechanism with elastic binding structure according to claim 1, characterized in that: The clamp seat comprises a base with a slot and an upper clamping plate installed on the base, and the upper clamping plate and the slot form the limiting groove.

4. The upper tightening mechanism with elastic binding structure according to claim 1, characterized in that: The outer peripheral wall of the shoe mold away from the inner side wall is provided with deformation grooves arranged at intervals.

5. The shoe upper tightening mechanism with elastic binding structure according to claim 4, characterized in that: The deformation groove comprises a strip groove which is arranged through and a circular groove which is arranged at the rear end of the strip groove.

6. The shoe upper tightening mechanism with elastic binding structure according to claim 1, characterized in that: The shoe mold has a predetermined hardness.

7. The shoe upper tightening mechanism with elastic binding structure according to claim 1, characterized in that: The shoe mold is made of Teflon material or its surface is coated with Teflon material.

8. The shoe upper tightening mechanism with elastic binding structure according to claim 1, characterized in that: Notches are extended radially outward at both ends of the limiting groove, and the airbag is provided with an extension portion extending into the notches.

9. The shoe upper tightening mechanism with elastic binding structure according to claim 3, characterized in that: A tube body is provided at the rear end of the base, the tube body is connected with an air pressure device, and the tube body is connected with an air bag.

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