CN2688106Y

CN2688106Y - Shoe-pads

Info

Publication number: CN2688106Y
Application number: CN 200420044420
Authority: CN
Inventors: 林鸿祺
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-04-06
Filing date: 2004-04-06
Publication date: 2005-03-30
Anticipated expiration: 2014-04-06

Abstract

The utility model relates to the technical field of footwear, in particular to a pair of shoe-pads. The shoe-pads are characterized in that the shoe-pads comprise surface layers and bottom layers, the surface layers are attached to the upper surfaces of the bottom layers, the bottom layers are provided with via holes, and ventilating parts having favorable ventilating performance are filled in the via holes and connected with the bottom layers as an entity. The surface layers made textile materials are connected with the bottom layers made of E V A materials via adhesive connection; the edges of the ventilating parts made of P U materials are mutually adhered with the inner edges of the via holes as an entity. Via adopting the structure, the ventilating parts are arranged in the bottom layers, thus the ventilating performance of the product can be enhanced, and users' feet can keep comfortable via the ventilating parts; simultaneously the characteristics of that the materials are not easy to deform and the structure is stable are used to cause the shoe-pads to have long service life. In addition, Partial ventilating parts of the shoe-pads are arranged, thus the quality and the use effect of the product are ensured, the cost of the product is effectively controlled, and the competitive power of the product is enhanced.

Description

A kind of shoe-pad

Technical field:

The utility model relates to the footwear technical field, refers in particular to a kind of shoe-pad.

Background technology:

People are endeavouring to design a kind of good permeability always, and the shoe-pad of economy and durability is patched up into the various till now unlike materials of shoe-pad, the different shoe-pad of version from traditional employing needlework, and the research of this respect never stops.For example, number of patent application discloses a kind of shoe-pad for the patent of invention of " 86100267 ", its water accepting layer and surface layer that is fixed on the water accepting layer of being made by a fiber with wettability power constitutes, this surface layer is made by textile material, and have a poisture-penetrability. wherein surface layer is made of hydrophobic fiber, and fiber is round passing the pore of surface layer from upper surface one through to water accepting layer.And we also often see the shoe-pad that some adopt special material or special structure fabrication in daily life, for example offer many tiny through holes on shoe-pad, in the hope of improving the gas permeability of shoe-pad.

Along with the development of chemical industry, present shoe-pad is also mostly to be to adopt plastic material to make.For example in sport footwear, its shoe-pad adopts following two kinds of materials to make: EVA or PU material, and wherein EVA is commonly called as rubber glue, and its chemical name is an ethene-vinyl acetate fat, and the chemical name of PU is a polyurethane resin.Because advantages such as the EVA material has independently foam structure, and flexibility is good, and high resilience has excellent oil resistance, and thermal conductivity factor is low, most at present shoe-pads all are to adopt this material to make.But also there is certain deficiency in the shoe-pad that the EVA material is made, and at first its hardness is not high, and is yielding, and service life is not long; Secondly gas permeability is bad, and long-time use can make the user do not feel like oneself.On the other hand, the PU material is after the process cure process, can make rigid foam, it has high compressive strength, good heat resistance and dimensional stability, and has air permeability and good, and its this specific character also makes many shoe-pad manufacturers adopt its as material of producing shoe-pad, but the price of PU is expensive than EVA, directly adopt the PU material, cause the cost of product to improve greatly, make it the market competitiveness and descend.

Summary of the invention:

The purpose of this utility model aims to provide a kind of economy, durable, and has the shoe-pad of better gas permeability.

The utility model is achieved by the following technical solution: this shoe-pad comprises superficial layer and bottom, superficial layer is attached to the upper surface of bottom, offer through hole on the bottom, the ventilative portion with good gas permeability is filled in the lead to the hole site place, and connects as one with bottom.

The superficial layer that adopts textile material to constitute is connected on the bottom of EVA material making by bonding mode; The edge of the ventilative portion that the PU material is made and the inner edge of through hole are bonding mutually, are connected as a single entity.

After adopting this structure, its ventilative portion that will have good gas permeability is arranged in the bottom, can improve the gas permeability of product like this, keep the pleasant of user's foot by ventilative portion, this ventilative portion not only has air permeable effect simultaneously, utilize not yielding, the Stability Analysis of Structures characteristic of itself material, make to the utlity model has long service life.In addition, the utility model only is provided with ventilative portion in the part, so promptly guarantees the quality and the result of use of product, effectively controls the cost of product again, improves competitiveness of product.

Description of drawings:

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

Fig. 2 is the three-dimensional exploded view of the utility model embodiment one;

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

Fig. 4 is the structural representation of the utility model embodiment three.

The specific embodiment:

See accompanying drawing 1,2, the utility model comprises: superficial layer 1 and bottom 2, and the superficial layer 1 that adopts textile material to constitute is connected on the bottom 2 of EVA material making by bonding mode; Offer through hole 21 on the bottom 2, this through hole 21 is positioned at the middle part of bottom 2, and the ventilative portion 22 with good gas permeability is filled in through hole 21 positions, and connects as one with bottom 2.Concrete structure is; 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.

The utility model bottom 2 adopts the EVA material to make, and is positioned at the PU expanded material that the ventilative portion 22 in the middle of the bottom 2 adopts.Its preparation method is at first to process the film of an EVA material, it is cut out to make it to form the shape corresponding with sole then, and a through hole 21 is sheared at the position therebetween, so just forms bottom 2 of the present utility model.The PU raw material that to handle through foaming with injection molding way injects in the through hole 21 then, forms ventilative portion 22, and ventilative portion 22 direct and bottom 2 affixed formation one in the process of injection moulding.At last superficial layer 1 is adhered to the upper surface of bottom, so far the utility model is made and is finished.

After the utility model adopts this structure, the middle part of shoe-pad is the ventilative portion 22 of PU with good gas permeability, keep the pleasant of user's foot by ventilative portion 22, this ventilative portion 22 not only has air permeable effect simultaneously, and utilize not yielding, the Stability Analysis of Structures characteristic of itself material, make to the utlity model has long service life, even also can not produce distortion than long service time.In addition, the utility model only adopts the ventilative portion 22 of PU material making from saving cost in the part of bottom 2, and promptly ventilative portion 22 only is positioned at the middle part of shoe-pad, the just main impetus of human foot.These positions also are the positions of mainly bearing human body foot pressure and perspiration, and still adopt the EVA material at other marginal position places, so promptly guarantee the quality and the result of use of product, effectively control the cost of product again, improve competitiveness of product.

See Fig. 3, this is another embodiment of the present utility model, and promptly the utility model can use in the insole products of various different models, style.

See Fig. 4, this is the improvement of making on the basis of embodiment in front, and it offers a plurality of through holes 21 on bottom 2, and these through holes 21 lay respectively at the position that human body foot palm part and heel portion are puted forth effort on the bottom 2, and ventilative portion 22 is formed at respectively in these through holes 21.Adopt this structure can further reduce the cost of product, improve competitiveness of product.

The above only is the adoptable embodiment of the utility model, does not therefore limit protection domain of the present utility model.

Claims

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.