CN2688106Y - Shoe-pad - Google Patents

Abstract

The utility model relates to the technical field of footwear products, in particular to an insole. The technical scheme is as follows: the insole comprises a surface layer and a bottom layer, wherein the surface layer is attached to the upper surface of the bottom layer, a through hole is formed in the bottom layer, and a ventilation part with good ventilation property is filled in the position of the through hole and is connected with the bottom layer into a whole. The surface layer made of textile materials is connected to the bottom layer made of EVA materials in a bonding mode; the edge of the air permeable part made of PU material is adhered with the inner edge of the through hole to form a whole. After adopting this kind of structure, its gas permeable part sets up in the bottom, can improve the gas permeability of product like this, keeps the comfortable and refreshing of user's foot through the gas permeable part, utilizes its material non-deformable, the stable in structure characteristic of own simultaneously, makes the utility model discloses longer life has. Additionally, the utility model discloses only set up the portion of breathing freely in the part, guarantee the quality and the result of use of product promptly like this, the cost of effectual control product again improves the competitiveness of product.

Description

an insole

Technical field:

The utility model relates to the technical field of footwear products, in particular to an insole.

Background technique:

People have been working hard to design an insole with good air permeability, economical and durable, from the traditional stitching insole to various insoles of different materials and structures, the research in this area has not stopped. . For example, the invention patent with the patent application number "86100267" discloses an insole, which consists of a water-absorbing layer made of fibers with hygroscopicity and a surface layer fixed on the water-absorbing layer. The surface layer is made of textile materials. Made and has moisture permeability. The surface layer is composed of hydrophobic fibers, and the fibers surround the capillary pores that pass through the surface layer from the upper surface to the water-absorbing layer. And in daily life, we also often see some insoles made of special materials or special structures, for example, many small through holes are provided on the insole, in order to improve the air permeability of the insole.

Along with the development of chemical industry, present insole also mostly adopts plastic material to make. For example, in sports shoes, the insoles are mostly made of the following two materials: EVA or PU materials, where EVA is commonly known as rubber rubber, its chemical name is ethylene-vinyl acetate, and the chemical name of PU is polyurethane resin. Because EVA material has independent cell structure, good flexibility, high elasticity, excellent oil resistance, low thermal conductivity and other advantages, most of the insoles are made of this material at present. But, the insole that EVA material is made also has certain deficiency, firstly its hardness is not high, easily deformed, and service life is not long; Secondly air permeability is bad, uses for a long time and can make the user feel uncomfortable. On the other hand, after hardening treatment, PU material can be made into rigid foam, which has extremely high compressive strength, good temperature resistance and dimensional stability, and has good air permeability. Many insole manufacturers use it as a material for producing insoles, but the price of PU is more expensive than EVA, and the direct use of PU material will greatly increase the cost of the product and reduce its market competitiveness.

Invention content:

The purpose of the utility model is to provide an economical, durable and better air-permeable insole.

The utility model is realized through the following technical scheme: the insole includes a surface layer and a bottom layer, the surface layer is attached to the upper surface of the bottom layer, a through hole is opened on the bottom layer, and a ventilating part with good air permeability is filled in the position of the through hole, and Connected with the bottom layer as one.

The surface layer made of textile material is connected to the bottom layer made of EVA material by bonding; the edge of the air-permeable part made of PU material is bonded with the inner edge of the through hole to form a whole.

After adopting this structure, the air-permeable part with good air permeability is arranged in the bottom layer, which can improve the air-permeability of the product and keep the user's feet comfortable through the air-permeable part. The material itself is not easily deformed and the structure is stable, so that the utility model has a long service life. In addition, the utility model only arranges the ventilation part locally, so as to ensure the quality and use effect of the product, effectively control the cost of the product, and improve the competitiveness of the product.

Description of drawings:

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is a three-dimensional exploded view of Embodiment 1 of the utility model;

Fig. 3 is the structural representation of the second embodiment of the utility model;

Fig. 4 is a schematic structural view of the third embodiment of the utility model.

Detailed ways:

See accompanying drawing 1,2, the utility model comprises: surface layer 1 and bottom layer 2, the surface layer 1 that adopts textile material to form is connected on the bottom layer 2 that EVA material is made by the mode of bonding; Offer through hole 21 on the bottom layer 2 , the through hole 21 is located in the middle of the bottom layer 2, and the air-permeable portion 22 with good air permeability is filled in the position of the through hole 21 and connected with the bottom layer 2 as a whole. The specific structure is: the edge of the air-permeable part 22 made of PU material and the inner edge of the through hole 21 are bonded to each other and connected as a whole.

The utility model bottom 2 adopts EVA material to make, and the PU foam material that is positioned at the air-permeable part 22 that bottom 2 middle adopts. Its manufacture method is first to process the film of an EVA material, then it is cut to make it form the shape corresponding to the sole, and cut a through hole 21 in its middle part, so just forms the bottom layer 2 of the present utility model. Then, the foamed PU raw material is injected into the through hole 21 by injection molding to form the air-permeable part 22, and the air-permeable part 22 is directly fixed with the bottom layer 2 to form an integral body during the injection molding process. Finally, the surface layer 1 is bonded to the upper surface of the bottom layer, and the utility model is completed so far.

After the utility model adopts this structure, the middle part of the insole is a PU air-permeable part 22 with good air permeability, which keeps the user's feet comfortable through the air-permeable part 22. The material itself is not easily deformed, and the structure is stable, so that the utility model has a long service life, and will not be deformed even if it is used for a long time. In addition, the utility model starts from cost saving, and only adopts the ventilation part 22 made of PU material in the part of the bottom layer 2, that is, the ventilation part 22 is only located in the middle part of the insole, which is the main focus of the human foot. These parts are also the parts that mainly bear the pressure and sweating of human feet, and EVA material is still used at other edge positions, so as to ensure the quality and use effect of the product, effectively control the cost of the product, and improve the competitiveness of the product.

See Fig. 3, this is another embodiment of the present utility model, promptly the present utility model can be used in the insole product of various different models, styles.

See Fig. 4, this is the improvement that makes on the basis of previous embodiment, it is provided with a plurality of through holes 21 on the bottom layer 2, and these through holes 21 are respectively positioned at the position of human foot sole and heel portion on the bottom layer 2, The air-permeable parts 22 are respectively formed in these through holes 21 . Adopting this structure can further reduce the cost of the product and improve the competitiveness of the product.

The above descriptions are only applicable embodiments of the present utility model, and do not limit the protection scope of the present utility model.

Claims (4)

1, a kind of shoe-pad, comprise: superficial layer (1) and bottom (2), superficial layer (1) is attached to the upper surface of bottom (2), it is characterized in that: offer through hole (21) on the bottom (2), ventilative portion (22) with good gas permeability is filled in through hole (21) position, and connects as one with bottom (2).

2, a kind of shoe-pad according to claim 1 is characterized in that: the superficial layer (1) that adopts textile material to constitute is connected on the bottom (2) of EVA material making by bonding mode; The edge of the ventilative portion (22) that the PU material is made and the inner edge of through hole (21) are bonding mutually, are connected as a single entity.

3, a kind of shoe-pad according to claim 1 is characterized in that: offer a through hole (21) on the bottom (2), and this through hole (21) is positioned at the middle part of bottom (2).

4, a kind of shoe-pad according to claim 1 is characterized in that: offer a plurality of through holes (21) on the bottom (2), and this through hole (21) lays respectively at bottom (2) and goes up the position that human body foot palm part and heel portion are puted forth effort.

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