Sandals with adjustable tightness

Abstract

The utility model discloses a kind of sandals of convenient adjustment tightness, it is related to sandal technical field, including shoe sole, shoe side and upper surface;Upper surface is formed with a strip mouth in the middle;Still include multiple groups of hole belt that are evenly distributed along the two sides of strip mouth, hole belt is equipped with threading hole, upper surface is sequentially stacked by multiple layers, hole belt part is fixed in the multiple layers of upper surface, and threading hole of hole belt is outside upper surface, and multiple groups of hole belt are equipped with shoelace in tight type threading;The utility model has the advantages that: by the direction of strip mouth along shoe side towards upper surface to set multiple groups of hole belt in front and back relative, threading hole of hole belt is between the strip mouth outside upper surface, and part of hole belt is used as the position of connection in the multiple layers of upper surface, can improve aesthetic appearance and fixing strength, then set using shoelace threading mode using shoelace, expansion degree of strip mouth can be limited by shoelace, and the wrapping accuracy of user's foot is good and high comfort, and it is convenient to adjust.

Description

Technical Field

[0001] This utility model relates to the field of sandal technology, and more specifically to a sandal that is easy to adjust in tightness. Background Technology

[0002] Sandals are open-toed shoes, typically worn in warmer seasons to provide comfort and ventilation. Sandals are suitable for a variety of occasions, such as casual everyday wear, beach vacations, or slightly more formal outdoor activities. As shown in application number CN202121515002.6, "Women's Sandals", existing sandals consist of a sandal sole, a sandal upper, and a sandal side. The sandal side is adjustable for ease of wearing, while the sandal upper generally uses a fixed shape structure for support. However, due to differences in the wearer's feet (such as foot shape, arch height, foot width, etc.), there are still disadvantages in terms of comfort when wearing them. Utility Model Content

[0003] The purpose of this utility model is to provide a sandal that is easy to adjust in tightness in order to solve the above-mentioned technical problems.

[0004] To achieve the above objectives, this utility model specifically adopts the following technical solution: This utility model proposes a sandal that is easy to adjust the tightness of, including a sole and a shoe edge and an upper fixed thereon, with a gap between the upper and the shoe edge, and an opening for the toes to be exposed between the upper and the sole; The side panel has a centrally located opening; It also includes multiple sets of perforated strips evenly distributed along both sides of the strip opening. The perforated strips have through holes. The upper is composed of multiple layers stacked one after another. The perforated strips are placed between the multiple layers of the upper and fixed. The through holes of the perforated strips are outside the upper. Shoelaces are elastically threaded through the multiple sets of perforated strips.

[0005] As a preferred technical solution of this utility model, the upper includes an outer interlayer, an inner interlayer that is fitted and fixed to the inner side of the outer interlayer, and a groove formed between the outer interlayer and the inner interlayer. The groove is fitted and fixed to the outer side of the perforated strip, and both the outer interlayer and the inner interlayer are fixed to the outer side of the sole.

[0006] As a preferred technical solution of this utility model, the side panel also includes through holes extending from the outer layer to the inner layer, and the through holes are provided in multiple sets and are evenly distributed.

[0007] As a preferred embodiment of this utility model, the upper surface also includes a comfort layer that is fitted and fixed to the inner side of the inner interlayer. The comfort layer is soft and breathable.

[0008] As a preferred technical solution of this utility model, the side panel further includes a through groove, which is provided in several groups and is respectively connected between the through holes of each two adjacent groups, and the through groove is located on the inner side of the inner interlayer.

[0009] The beneficial effects of this utility model are as follows: By setting multiple sets of perforated straps in a front-to-back arrangement along the shoe edge towards the upper, with the perforations of the straps located between the perforations on the outside of the upper, and using a portion of the perforated straps as a connection point between the multiple layers of the upper, the aesthetics and fixing strength can be improved. Then, by using shoelaces to set the straps, the expansion of the perforations can be limited by the shoelaces, resulting in good accuracy and comfort for the user's foot, and easy adjustment. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 yes Figure 1 A schematic diagram of a partial cross-sectional structure.

[0011] Attached reference numerals: sole-1, shoe edge-2, upper-3, perforation-4, shoelace-5, outer layer-31, inner layer-32, groove-33, through-hole-34, comfort layer-35, through-groove-36. Detailed Implementation Example 1:

[0012] like Figures 1-2 As shown in the embodiment, this embodiment proposes a sandal that is easy to adjust the tightness of, including a sole 1 and a shoe edge 2 and an upper 3 fixed thereon, with a gap between the upper 3 and the shoe edge 2, and an opening for the toes to be exposed between the upper 3 and the sole 1; the shoe edge 2 and the upper 3 are respectively provided on both sides of the top of the sole 1 for foot support and wrapping, and the gap and the opening for the toes to be exposed can increase the coolness of the feet; The side surface 3 has a centrally located opening; such as Figure 1 As shown, the top of the side panel 3 has a strip-shaped opening (i.e., a strip opening) that divides it into two pieces at the center. It also includes multiple sets of perforated strips 4 evenly distributed along both sides of the strip opening. The perforated strips 4 are provided with through holes. The upper surface 3 is composed of multiple layers stacked in sequence. The perforated strips 4 are partially inserted into the layers between the multiple layers of the upper surface 3 and fixed. The through holes of the perforated strips 4 are located outside the upper surface 3. The multiple sets of perforated strips 4 are elastically threaded with shoelaces 5. like Figure 1 As shown, multiple sets of perforated straps 4 are arranged back-to-back along the shoe edge 2 towards the upper 3 at the opening. The holes of the perforated straps 4 are located between the openings outside the upper 3. A portion of the perforated straps 4 is used as a connection point between the multiple layers of the upper 3, which improves aesthetics and fixing strength. Shoelaces 5 are then used... Figure 1 By setting the shoelaces in the indicated way or the existing shoelaces, the expansion of the opening can be limited by the shoelaces 5, which provides good accuracy and comfort for the user's foot and is easy to adjust. This usage is as follows Figure 1 The threading method shown is as follows: simultaneously thread a set of opposite pairs of laces through the threading holes on the side away from the shoe edge 2, and then thread them in a crisscross manner towards the shoe edge 2 to complete the threading. Then adjust the tightness of the shoelaces 5 and tie them. Example 2:

[0013] like Figures 1-2 As shown, the difference between it and embodiment 1 is that the upper 3 specifically includes an outer interlayer 31, an inner interlayer 32 that is attached and fixed to the inner side of the outer interlayer 31, and a groove 33 formed between the outer interlayer 31 and the inner interlayer 32. The groove 33 is attached and fixed to the outer side of the perforated strip 4, and both the outer interlayer 31 and the inner interlayer 32 are fixed to the outer side of the sole 1. The outer layer 31 and inner layer 32 can be made of EVA or TPU (thermoplastic polyurethane elastomer rubber), providing good structural support and offering lightweight and wear-resistant properties to improve comfort; the perforated strip 4 can be a nylon strip, folded in half and fixed near the end using adhesive or sewing, leaving an opening (i.e., a through hole); Figure 2 As shown, a groove 33 is formed by clamping the outer interlayer 31 and the inner interlayer 32 on the side near the opening of the strip so that one side of the perforated strip 4 can be inserted and attached. Then, the strip is fixed together by means of adhesive (chloroprene rubber glue, hot melt glue, or polyurethane glue). Example 3:

[0014] like Figures 1-2 As shown, the difference between it and embodiment 2 is that the side panel 3 also includes through holes 34 extending from the outer layer 31 to the inner layer 32, and the through holes 34 are provided in multiple sets and are evenly distributed. Multiple sets of through holes 34 simultaneously penetrate the outer interlayer 31 and the inner interlayer 32 and are evenly distributed to improve breathability and increase comfort. Example 4:

[0015] like Figures 1-2 As shown, the difference between it and embodiment 3 is that the upper surface 3 also includes a comfort layer 35 that is attached and fixed to the inner side of the inner interlayer 32. The comfort layer 35 is soft and breathable. The comfort layer 35 is set inside the inner layer 32 to reduce the concentrated pressure on the foot caused by the through hole 34 and improve the comfort of the foot. The comfort layer 35 is a Coolmax fabric layer, a nylon fiber fabric layer or a polyester fiber fabric layer, which has good softness, quick-drying and breathability. Example 5:

[0016] like Figure 1 As shown, the difference between it and Embodiment 3 or Embodiment 4 is that: the side surface 3 also includes a through groove 36, the through groove 36 is provided in several groups and is respectively connected between the through holes 34 of each two adjacent groups, and the through groove 36 is provided on the inner side of the inner interlayer 32. By setting through grooves 36 between each pair of adjacent through holes 34, multiple sets of through holes 34 can be connected to form an integrated ventilation cavity, thereby increasing the breathable surface of the comfort layer 35, improving the breathability balance of the upper 3, and increasing wearing comfort.

[0017] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0018] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A sandal with adjustable tightness, comprising a sole and a fixed side panel and upper, characterized in that, There is a gap between the upper and the heel, and an opening is formed between the upper and the sole for the toes to be exposed; The side panel has a centrally located opening; It also includes multiple sets of perforated strips evenly distributed along both sides of the strip opening. The perforated strips have through holes. The upper is composed of multiple layers stacked one after another. The perforated strips are placed between the multiple layers of the upper and fixed. The through holes of the perforated strips are outside the upper. Shoelaces are elastically threaded through the multiple sets of perforated strips.

2. The sandal with adjustable tightness according to claim 1, characterized in that, The upper includes an outer layer, an inner layer that is attached and fixed to the inner side of the outer layer, and a groove formed between the outer layer and the inner layer. The groove is attached and fixed to the outer side of the perforated strip. Both the outer layer and the inner layer are fixed to the outer side of the sole.

3. A sandal with adjustable tightness according to claim 2, characterized in that, The side panel also includes through holes extending from the outer layer to the inner layer, and the through holes are provided in multiple sets and are evenly distributed.

4. A sandal with adjustable tightness according to claim 3, characterized in that, The upper also includes a comfort layer that is fitted and fixed to the inside of the inner layer. The comfort layer is soft and breathable.

5. A sandal with adjustable tightness according to claim 3 or 4, characterized in that, The side panel also includes through grooves, which are provided in several groups and are respectively connected between the through holes of each two adjacent groups, and the through grooves are located on the inner side of the inner interlayer.

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