CN110693130A - A pressure-relieving insole with a multi-region three-dimensional sole support structure - Google Patents

Abstract

The invention relates to a pressure relief insole with a multi-region three-dimensional sole support structure, comprising an insole body, the insole body has an upper surface and a lower surface, the side of the insole body corresponding to the inner side of the instep is inner, and the side corresponding to the outer side of the instep is outer The position of the insole body corresponding to the front of the sole is the forefoot, the position corresponding to the heel is the heel, the position corresponding to the arch of the foot is the arch of the foot, and the arch of the foot is located between the forefoot and the heel. The upper surface is provided with a third protrusion on the inner side of the arch of the foot, the upper surface of the insole body is provided with a fourth protrusion on the outer side of the arch of the foot, and the upper surface of the insole body corresponds to the back of the second metatarsal. The end and the rear end of the third metatarsal are provided with fifth protrusions. After adopting the technical scheme of the present invention, the support function for the arch of the foot is strengthened, and the comfort of use is improved.

Description

A pressure-relieving insole with a multi-region three-dimensional sole support structure

technical field

The invention relates to a pressure relief insole with a multi-region three-dimensional sole support structure.

Background technique

The traditional ordinary stable insole front molded concave-convex pattern is relatively simple and the distribution is not detailed and scientific, and they cannot provide the pressure relief and support requirements for different areas of the sole of the foot at the same time, especially the support for the arch of the foot, and the support structure is not reasonable enough.

In view of this, the inventor of this case has conducted in-depth research on the above-mentioned problems, and this case came into being.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a pressure relief insole that can realize multi-regional support for the arch of the foot and improve comfort.

In order to achieve the above object, the present invention adopts such technical scheme:

A pressure-relieving insole with a multi-region three-dimensional sole support structure, comprising an insole body, the insole body has an upper surface and a lower surface, the side of the insole body corresponding to the inner side of the instep is inner, the side corresponding to the outer side of the instep is outer, and the insole body The position corresponding to the front of the sole is the forefoot, the position corresponding to the heel is the heel, the position corresponding to the arch of the foot is the arch of the foot, and the arch of the foot is located between the forefoot and the heel, and the upper surface of the insole body is at The inner side of the arch of the foot is provided with a third raised portion, the upper surface of the insole body is provided with a fourth raised portion on the outer side of the arch of the foot, and the upper surface of the insole body corresponds to the rear end of the second metatarsal and the second raised portion. The rear end of the 3 metatarsal is provided with a fifth protrusion.

As an orderly manner of the present invention, the peripheral edge of the third raised portion forms a smooth transition connection with the upper surface of the insole body, and the peripheral edge of the fourth raised portion is connected with the upper surface of the insole body. The surface forms a smooth transition connection, and the peripheral edge of the fifth raised portion forms a smooth transition connection with the upper surface of the insole body.

As an orderly manner of the present invention, the third raised portion extends from the front end of the heel portion to the rear end of the forefoot portion, and from the heel portion to the forefoot portion, the first The widths of the three protrusions first gradually increase and then gradually decrease.

As an orderly manner of the present invention, the fourth protruding portion extends from the heel portion to the middle portion of the arch portion, and from the heel portion to the middle portion of the arch portion, the fourth protruding portion extends from the heel portion to the middle portion of the arch portion. The width of the starting portion first gradually increases and then gradually decreases.

As an orderly manner of the present invention, the fifth raised portion extends from the front end of the arch portion to the rear end of the forefoot portion, and from the foot arch portion to the forefoot portion, so The width of the fifth raised portion first gradually increases and then gradually decreases.

As an orderly manner of the present invention, the insole body includes an upper layer, a middle layer and a lower layer that are compounded together, and the upper layer, the middle layer and the lower layer are integrally molded.

As an orderly manner of the present invention, the upper layer is a mesh layer, the middle layer is a foam layer, and the lower layer is a foam layer.

As an orderly manner of the present invention, the area of the insole body corresponding to the front end of the metatarsal of the foot is set as the first pressure concentration area, and the area of the insole body corresponding to the calcaneus of the foot is set as the second pressure concentration area. The upper surface of the insole body is integrally formed with a first raised portion corresponding to the first pressure concentration area, the first raised portion extends from the inner side to the outer side of the insole body, and the upper surface of the insole body corresponds to the second pressure concentration area A second protruding part is integrally formed.

As an orderly manner of the present invention, the peripheral edge of the first raised portion is provided with a first stitching line, and the peripheral edge of the second raised portion is provided with a second sewing thread.

After adopting the technical scheme of the present invention, according to the skeletal structure characteristics of the arch of the human body, the "cross foot arch" (at the rear end of the second metatarsal and the rear end of the third metatarsal), the "internal arch" (the inner waist of the foot arch) ) and the "outer arch of the foot" (the outer waist of the foot arch) are provided with a fifth raised part, a fourth raised part and a third raised part, which strengthens the support function for the arch of the foot and improves the comfort of use. Further, the first raised portion and the second raised portion are scientifically distributed on the forefoot and the heel according to the skeletal structure characteristics of the human foot, so as to relieve pressure and cushion the shock.

Description of drawings

FIG. 1 is a top view of the first embodiment of the present invention.

FIG. 2 is a bottom view of the first embodiment of the present invention.

FIG. 3 is a bottom view of the second embodiment of the present invention.

FIG. 4 is a bottom view of the third embodiment of the present invention.

FIG. 5 is a bottom view of the fourth embodiment of the present invention.

Figure 6 is a diagram of a foot skeletal model.

FIG. 7 is a schematic structural diagram of a fifth embodiment of the present invention.

In the picture:

Insole body 10 upper surface 11

Bottom surface 12 Side wall 13

Forefoot 14 Arch 15

Heel 16 Inside 17

Outer side 18 Strip groove 19

Breathable through holes 20 PU cushioning rubber layer 30

Reinforcing sheet 40 Groove 41

Reinforcing portion 42 First protruding portion 101

The second protrusion 102 The third protrusion 103

Fourth raised portion 104 Fifth raised portion 105

First stitch 106 Second stitch 107

Skeleton Model 50 Metatarsal 51

calcaneus 52 phalanges 53

Detailed ways

In order to further explain the technical solutions of the present invention, a detailed description is given below with reference to the accompanying drawings.

1 to 6 , the insole involved in the present invention includes an insole body 10. The position of the insole body 10 corresponding to the front of the sole of the foot is the forefoot portion 14, the position corresponding to the heel of the foot is the heel portion 16, and the position corresponding to the arch of the foot is the arch of the foot Part 15, the arch part 15 is located between the forefoot part 14 and the heel part 16, the side of the insole body 10 corresponding to the inside of the instep is inside, and the side corresponding to the outside of the instep is outside. The insole body 10 has an upper surface 11 , a lower surface 12 , and a side wall 13 formed between the upper surface 11 and the lower surface 12 . The front end of the insole body 10 corresponding to the metatarsal bone 51 of the foot (that is, the position where the metatarsal bone 51 is close to the phalanx 53) is set as the first pressure concentration area, and the area of the insole body 10 corresponding to the calcaneus 52 of the foot (the calcaneus and its vicinity) is set. is the second pressure concentration zone. According to ergonomics, the first pressure concentration area and the second pressure concentration area are the areas where the force of the insole body 10 is most concentrated.

1 and 2 , in the first embodiment of the present invention, a comfortable insole is proposed. A first raised portion 101 is integrally formed on the upper surface 11 of the insole body 10 corresponding to the first pressure concentration area. The first protruding part 101 extends from the inner side 17 to the outer side 18 of the insole body 10 . Preferably, the first protruding part 101 is in the shape of "n", and its two free ends extend backward, and the free end is located on the outer side. It is further back than the free end located on the inner side, so that the first raised portion 101 is more in line with the bone shape and compression area of the front of the sole of the foot. The upper surface 11 of the insole body 10 is integrally formed with a second raised portion 102 corresponding to the second pressure concentration area. The front end of the second raised portion 102 is inclined toward the outside of the insole body 10 to better conform to the shape of the heel bone and the compression zone. The first protruding portion 101 and the second protruding portion 102 are integrally formed with the insole body 10 , which has the advantage of convenient processing and ensures that the first protruding portion 101 and the second protruding portion 102 are not easy to fall off.

As a preferred mode of the present invention, the peripheral edge of the first raised portion 101 forms a smooth transition with the upper surface 11 of the insole body 10, and the thickness of the first raised portion 101 is 1-2 mm, so The thickness of the forefoot portion 14 corresponding to the first raised portion 101 is 4-5 mm. Therefore, at the position of the first raised portion 101, the thickness of the entire insole body 10 is 5-7 mm. The second raised portion has a thickness of 5-7 mm. The circumference of 102 and the circumference of the insole body 10 form a smooth transition, the thickness of the second raised portion 102 is 2-3 mm, and the thickness of the heel portion 16 corresponding to the second raised portion 102 is 4.5 mm -7mm, at the position of the second raised portion 102, the thickness of the entire insole body 10 is 6.5-10mm.

As a preferred mode of the present invention, the lower surface 12 of the insole body 10 is provided with a PU cushioning adhesive layer 30 corresponding to the second pressure concentration area, and the PU cushioning adhesive layer 30 is compounded (specifically, lamination can be used) on the The lower surface 12 of the insole body 10 . By providing the PU cushioning rubber layer 30, the cushioning effect of the insole body 10 can be further improved, and the wearing comfort can be improved.

As a preferred mode of the present invention, the insole body 10 is a PU insole body, and specifically adopts an environmentally friendly PU type foam material, a foamed TPU type material, an EVA type material, a PU type material, a foam type material, etc. Of course, The insole body 10 of the present invention is not limited to these materials.

As a preferred mode of the present invention, the arch portion 15 is provided with a plurality of ventilation through holes 20, and the ventilation through holes 20 penetrate from the upper surface 11 to the lower surface 12 of the insole body 10. In the present invention, it is also possible to According to ventilation requirements, ventilation through holes 20 are also provided at other positions. Preferably, an antibacterial and deodorizing mesh cloth is compounded on the upper surface 11 of the insole body 10 to enhance the antibacterial and deodorizing function of the entire insole body 10 .

As a preferred mode of the present invention, the lower surface 12 of the forefoot portion 14 is provided with a plurality of strip-shaped grooves 19 , and the strip-shaped grooves 19 extend from the inner side 17 to the outer side 18 of the insole body 10 . The grooves 19 are arranged along the front-rear direction of the insole body 10 . The strip-shaped grooves 19 can increase the slip resistance of the insole body 10 , and also make the insole body 10 easier to bend and improve the softness of the insole.

3 and 4 , in order to improve the support performance of the insole body 10, the present invention proposes a stable support insole, which further includes a reinforcing sheet 40 for enhancing the stability of the insole body 10. The reinforcing sheet 40 is compounded (specifically Adhesive can be used for sticking or thermal pressure bonding) on the side wall 13, and the reinforcing sheet 40 can be arranged on the side wall 13 on the arch portion 15, or on the side wall 13 of the heel portion 16. , or both the side wall 13 of the arch portion 15 and the side wall 13 of the heel portion 16 are provided with reinforcing sheets 40 . The reinforcing sheet 40 extends from the lower end to the upper end of the side wall 13 . Specifically, the reinforcing sheet 40 may be installed on the side wall 13 by means of pasting or hot pressing.

As a preferred mode of the present invention, the reinforcing sheet 40 extends from the inner side 17 of the arch portion 15 to the heel portion 16 , and extends along the heel portion 16 to the outer side 18 of the heel portion 16 . .

As a preferred mode of the present invention, the lower end of the reinforcing sheet 40 extends to the lower surface 12 of the insole body 10 and forms a composite with the lower surface 12 of the insole body 10 (specifically, it can be pasted with adhesive or heated The reinforcing part 42 of the insole body 10 can enhance the stability of the entire insole body 10 , and at the same time, the reinforcing sheet 40 can be more stably installed on the insole body 10 .

As a preferred mode of the present invention, the end of the reinforcing sheet 40 located on the inner side 17 is set as the first end, and the end located on the outer side 18 is set as the second end, and the first end and the second end are connected together. At this time, the reinforcing sheet 40 can improve the anti-torsion performance of the insole body 10 and further improve the stability of the insole body 10 . With this structure, the reinforcing sheet 40 forms a ring, and the PU cushioning adhesive layer 30 is arranged in the reinforcing sheet 40 .

As a preferred mode of the present invention, the reinforcing sheet 40 is provided with a plurality of grooves 41 for assisting the bending of the insole body 10 . The grooves 41 extend along the width direction of the reinforcing sheet 40 . The grooves 41 are arranged along the front-rear direction of the insole body 10 .

As a preferred mode of the present invention, the insole body 10 is a PU material insole body, and the reinforcing sheet 40 is made of TPU. As a preferred mode of the present invention, the hardness of the reinforcing sheet 40 is greater than the hardness of the insole body 10 . The reinforcing sheet 40 can be made of TPU, nylon or hard EVA.

As a preferred mode of the present invention, the height of the side wall 13 is higher than the upper surface 11 of the insole body 10 , and the side wall 13 is in turn from the rear end of the inner side 17 of the forefoot portion 14 to the The inner side 17 of the arch portion 15 , the heel portion 16 , and the outer side 18 of the arch portion 15 extend to the rear end of the outer side 18 of the forefoot portion 14 .

7, the present invention also proposes a pressure relief insole with a multi-region three-dimensional sole support structure, including an insole body 10, the insole body 10 has an upper surface 11 and a lower surface 12, and the side of the insole body 10 corresponding to the inner side of the instep is Inside, the side corresponding to the outside of the instep is outside, the position of the insole body 10 corresponding to the front part of the sole of the foot is the forefoot part 14, the position corresponding to the heel is the heel part 16, the position corresponding to the arch of the foot is the arch part 15, the arch part 15 Located between the forefoot portion 14 and the heel portion 16 , in order to better describe the present invention, in FIG. 7 , the regions where the forefoot portion 14 , the arch portion 15 and the heel portion 16 are generally marked.

The upper surface 11 of the insole body 10 is provided with a third raised portion 103 on the inner side 17 of the arch portion 15 , and the upper surface 11 of the insole body 10 is provided with a fourth raised portion on the outer side 18 of the arch portion 15 . 104, the upper surface 11 of the insole body 10 is provided with a fifth raised portion 105 corresponding to the rear end of the second metatarsal and the rear end of the third metatarsal.

As an orderly manner of the present invention, the peripheral edge of the third raised portion 103 forms a smooth transition connection with the upper surface 11 of the insole body 10 , and the peripheral edge of the fourth raised portion 104 is connected to the upper surface 11 of the insole body 10 . The upper surface 11 of the insole body 10 forms a smooth transitional connection, and the periphery of the fifth raised portion 105 forms a smooth transitional connection with the upper surface 11 of the insole body 10 , that is, the third raised portion 103 and the fourth raised portion 105 form a smooth transitional connection. The rising portion 104 and the fifth protruding portion 105 are designed with a progressive gradient to make the transition smoother and more natural, so as to conform to the arch characteristics of more people.

As an orderly manner of the present invention, the third raised portion 103 extends from the front end of the heel portion 16 to the rear end of the forefoot portion 14, and from the heel portion 16 to the forefoot portion 14. The width of the third raised portion 103 gradually increases first and then gradually decreases. Preferably, the third raised portion 103 extends to the edge of the inner side 17 of the arch portion 15 .

As an orderly manner of the present invention, the fourth raised portion 104 extends from the heel portion 16 to the middle portion of the arch portion 15 , from the heel portion 16 to the middle portion of the arch portion 15 , The width of the fourth raised portion 104 gradually increases first and then gradually decreases. Preferably, the fourth raised portion 104 extends to the edge of the outer side 18 of the arch portion 15 .

As an orderly manner of the present invention, the fifth raised portion 105 extends from the front end of the arch portion 15 to the rear end of the forefoot portion 14, and from the arch portion 15 to the front In the palm portion 14, the width of the fifth raised portion 105 gradually increases first and then gradually decreases. In the embodiment, the fifth raised portion 105 is generally oval.

As an orderly manner of the present invention, the insole body 10 includes an upper layer, a middle layer and a lower layer that are compounded together, and the upper layer, the middle layer and the lower layer are integrally molded.

As an orderly mode of the present invention, the upper layer is a mesh layer, the middle layer is a foam layer, and the lower layer is a foam layer, more specifically, the lower layer is high-density and high-elastic foam or similar foam materials , with better rigid support and tear resistance; the middle layer is soft and high-elastic foam material, which has better pressure-relieving fit; the upper layer is a soft and comfortable mesh fabric (antibacterial and deodorizing functions can be added) , to improve the comfort and durability of the insole. The three-layer material adopts the method of direct compounding, and the insole body 10 adopts the processing method of integral molding, which basically maintains the original characteristics of the material, thus ensuring the excellent air permeability of the product, and further simplifies the processing process, improving the processing efficiency and product quality. quality.

As an orderly manner of the present invention, the area of the insole body 10 corresponding to the front end of the metatarsal of the foot is set as the first pressure concentration area, and the area of the insole body 10 corresponding to the calcaneus of the foot is set as the second pressure concentration area, A first raised portion 101 is integrally formed on the upper surface 11 of the insole body 10 corresponding to the first pressure concentration area. The first raised portion 101 extends from the inner side of the insole body 10 to the outer side. A second protrusion 102 is integrally formed on the upper surface 11 corresponding to the second pressure concentration area.

As an orderly manner of the present invention, the periphery of the first raised portion 101 is provided with a first stitch 106 , and the periphery of the second raised portion 102 is provided with a second stitch 107 . By arranging the first stitches 106 and the second stitches 107 , the edges of the first protruding portion 101 and the second protruding portion 102 are more prominent, and the three-dimensional feeling of the first protruding portion 101 and the second protruding portion 102 is enhanced. In addition, the setting of the first stitches 106 increases the bending performance of the insole body 10 on the forefoot portion 14, and the setting of the second stitches 107 makes the heel portion 16 of the insole body 10 more flexible. Easy to adapt to the shape of the shoe cavity.

The present invention proposes three main concepts. The first one is to set the first raised part 101 and the second raised part 102 on the first pressure concentration area and the second pressure concentration area of the upper surface 11 of the insole body 10; The second is to set a reinforcing sheet 40 on the side wall 13 of the arch portion 15 and/or the side wall 13 of the heel portion 16 to enhance regional support; the third is to set third protrusions in different areas of the arch portion 15 part 103 , the fourth raised part 104 and the fifth raised part 105 , so as to achieve regional support for the arch of the foot.

The present invention can concentrate these three concepts on one insole, thereby forming an insole with both comfort and support, and greatly improving the comprehensive performance of the insole body 10 .

The product form of the present invention is not limited to the illustrations and examples in this case, and any appropriate changes or modifications of similar ideas by anyone should be deemed not to depart from the scope of the present invention.

Claims (9)

1. a pressure relief insole with a multi-region three-dimensional sole support structure, comprising an insole body, the insole body has an upper surface and a lower surface, the side of the insole body corresponding to the inside of the instep is inside, and the side corresponding to the outside of the instep is outside, The position of the insole body corresponding to the front of the sole is the forefoot, the position corresponding to the heel is the heel, the position corresponding to the arch of the foot is the arch of the foot, and the arch of the foot is located between the forefoot and the heel. The upper surface of the insole body is provided with a third convex portion on the inner side of the arch portion, the upper surface of the insole body is provided with a fourth convex portion on the outer side of the arch portion, and the upper surface of the insole body corresponds to the second convex portion. The rear end of the metatarsal and the rear end of the third metatarsal are provided with fifth protrusions. 2 . The pressure relief insole with a multi-region three-dimensional sole support structure according to claim 1 , wherein the periphery of the third raised portion forms a smooth transition connection with the upper surface of the insole body. 3 . The periphery of the fourth raised portion forms a smooth transition connection with the upper surface of the insole body, and the periphery of the fifth raised portion forms a smooth transition connection with the upper surface of the insole body. 3 . The pressure relief insole with a multi-region three-dimensional sole support structure according to claim 2 , wherein the third raised portion extends from the front end of the inner side of the heel portion to the forefoot portion. 4 . At the rear end of the inner side, from the heel portion to the forefoot portion, the width of the third raised portion first gradually increases and then gradually decreases. 4 . The pressure relief insole with a multi-region three-dimensional sole support structure according to claim 3 , wherein the fourth raised portion extends from the outer side of the heel portion to the middle portion of the outer side of the arch portion. 5 . , from the heel portion to the middle portion of the arch portion, the width of the fourth raised portion first gradually increases and then gradually decreases. 5 . The pressure relief insole with a multi-region three-dimensional sole support structure according to claim 4 , wherein the fifth raised portion extends from the front end of the arch portion to the forefoot portion. 6 . From the arch of the foot to the forefoot, the width of the fifth raised portion first gradually increases and then gradually decreases. 6. A pressure-relieving insole with a multi-region three-dimensional sole support structure as claimed in claim 1, wherein the insole body comprises an upper layer, a middle layer and a lower layer that are compounded together, and the upper layer, the middle layer and the lower layer are integrally molded forming. 7 . The pressure relief insole with a multi-region three-dimensional sole support structure according to claim 6 , wherein the upper layer is a mesh layer, the middle layer is a foam layer, and the lower layer is a foam layer. 8 . Floor. 8. A pressure relief insole with a multi-region three-dimensional sole support structure as claimed in claim 1, wherein the region of the insole body corresponding to the front end of the metatarsal of the foot is set as the first pressure concentration area, and the insole body is set as the first pressure concentration area. The area corresponding to the calcaneus of the foot is set as the second pressure concentration area, and a first raised portion is integrally formed on the upper surface of the insole body corresponding to the first pressure concentration area, and the first raised portion extends from the insole body. The inner side extends to the outer side (it is also described here that the shape of the bulging structure is "n" type and the middle position is the most forward, and the outer side is behind the inner side to conform to the bone shape and compression area of the forefoot), the insole body The upper surface of the corresponding second pressure concentration area is integrally formed with a second raised portion. (Similarly, it is also described here that the shape of the bulging structure is "drop-shaped on the outside", so as to conform to the shape of the heel bone and the compression area.) As described in the specification, the present application is not limited to this structure. 9 . The pressure-relieving insole with a multi-region three-dimensional sole support structure according to claim 8 , wherein the periphery of the first raised portion is provided with a first stitch, and the second raised portion is provided with a first stitch. 10 . The peripheral edge of the starting portion is provided with a second stitching line.

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