CN210809512U - Thermoplastic insole - Google Patents

Abstract

The utility model discloses an insole is moulded to heat, including the shoe-pad body, the shoe-pad body includes from last to moulding layer (3) and bottom (4) down to the precoat (1), bradyseism layer (2), half palm heat that set gradually, precoat (1), bradyseism layer (2) and bottom (4) all are the profile structure of human sole, half palm is moulded layer (3) and is covered to corresponding human complete arch of foot department from corresponding human heel department. The utility model discloses in set up the half palm that length is suitable and heat the moulding layer, utilize the heating to soften the shoe-pad, according to everyone's foot type to finally obtain the shoe-pad user state of laminating foot and arch of foot position, it is moulding convenient to be heated, warp for a short time, can use for a long time, can also fully save the shoes inner space, application scope is wide.

Description

Thermoplastic insole

Technical Field

The utility model relates to a shoe-pad technical field, in particular to shoe-pad is moulded to heat.

Background

The foot type of each foot of each person is different, the current shoes and insoles can only be designed to be flat to fit each person, the feet cannot be protected sufficiently, the foot arch can not be protected for a long time, tendons and fascia of subtalar joints stretched by the foot bottom can be worn and become loose under the load of gravity and body weight, until the internal rotation amplitude exceeds a warning line, the subtalar joints are easy to loosen more and more when the external rotation force controlled autonomously is not enough to counteract the downward pressure of the misplacement of the foot arch, and finally the foot arch collapses, the arch collapse can cause the abnormal lower limb biological force line of the human body, the occurrence of the flat feet and the foot eversion are directly caused, the deformation or misplacement of ankle joints, shin bones, knee joints, thighbones, pelvis bones, waist, shoulder neck back and heads is indirectly influenced, and the body health is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a shoe-pad is moulded to heat convenient to arch of foot laminating is moulding.

The technical scheme of the utility model as follows:

the utility model provides an insole is moulded to heat, includes the shoe-pad body, the shoe-pad body includes from last to down sets gradually the precoat, bradyseism layer, half sole heat mould layer and bottom, precoat, bradyseism layer and bottom are the profile structure of human sole, half sole heat moulds the layer and covers from corresponding human heel department to corresponding human complete arch of foot department, but does not cover to corresponding human metatarsophalangeal joint department.

By adopting the structure, the fabric layer is arranged to mainly ensure good air permeability and good water absorption; the shock absorption layer is mainly used for providing bacteriostatic and shock absorption purposes; the front end of the half-sole thermoplastic layer is arranged at the arch position of the foot pad, so that the space of the front sole can be effectively saved to adapt to a shoe type with smaller space, the heel bone is covered to the complete inner arch by the length, and the phenomenon that the front end of the half-sole thermoplastic layer collides with the metatarsophalangeal joint to cause ache is avoided; set up the bottom and live half palm and heat the plastic layer except that the parcel, can also realize the skid-proof purpose of shoe-pad body in shoes, it is moulding convenient to be heated, warp for a short time, can use for a long time, can also fully save the shoes inner space, and application scope is wide.

In order to ensure that the half sole thermoplastic layer is bonded with other layers more firmly, the layering phenomenon is not easy to occur after heating, and the space in the shoe is fully saved, the thermoplastic layer is preferably uniformly shrunk by 5-10mm inwards relative to the fabric layer, the cushioning layer and the bottom layer.

In order to better realize the purposes of good air permeability, good water absorption and skin-friendly and non-irritant effects, the fabric layer is preferably polyester fiber,

in order to better achieve the purpose of bacteriostasis and cushioning, the cushioning layer is preferably graphene EVA.

In order to better improve the stress strength and reduce the deformation, the half palm thermoplastic layer is preferably a PVC thermoplastic plate.

For better anti-slip purpose, the bottom layer is preferably a hot melt adhesive sheet.

In order to buffer treading pressure and prevent the insole from sideslipping, the shell fabric layer, the cushioning layer and the bottom layer preferably have the same external dimension, the external dimension of the thermoplastic layer is smaller than that of the shell fabric layer, and after extrusion forming, bulge structures are arranged on the lower end face of the half-palm thermoplastic layer and at positions corresponding to the half-palm thermoplastic layer, and the planar shape of each bulge structure is the same as the external dimension of the half-palm thermoplastic layer.

In order to enable the shoe pad after thermoplastic molding, human body can contact with feet for plasticity, and preferably, the heated softening temperature of the half palm thermoplastic layer is 50-100 ℃.

Has the advantages that: the utility model discloses in set up the half palm that length is suitable and heat the moulding layer, utilize the heating to soften the shoe-pad, according to everyone's foot type to finally obtain the shoe-pad user state of laminating foot and arch of foot position, it is moulding convenient to be heated, warp for a short time, can use for a long time, can also fully save the shoes inner space, application scope is wide.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a usage state diagram of the present invention.

Fig. 4 is a perspective view of fig. 3.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

By figure 1, figure 2, figure 3 and figure 4 show, the utility model discloses constitute by shoe-pad body etc, the shoe-pad body includes from last to thermoplastic layer 3 and bottom 4 for face fabric layer 1, bradyseism layer 2, half palm that set gradually down, face fabric layer 1 is polyester fiber, and bradyseism layer 2 is graphite alkene EVA, and half palm is thermoplastic layer 3 for being heated the PVC thermoplastic sheet that softening temperature is 50 ~ 100 degrees centigrade, and bottom 4 is the hot melt film, face fabric layer 1, bradyseism layer 2 and bottom 4 all are the profile structure of human sole, half palm is thermoplastic layer 3 and covers to corresponding the complete arch of foot department of human foot from corresponding human heel department, half palm is moulded the outline of the both sides and heel department of thermoplastic layer 3 for the even inward contraction 5-10mm of face fabric layer 1, bradyseism layer 2 and bottom 4's outline.

The contour structures of the fabric layer 1, the cushioning layer 2 and the bottom layer 4 are provided with a first curved surface 11 corresponding to the inner arch position and a second curved surface 12 corresponding to the outer arch position; on the half palm thermoplastic layer 3, a first bending section 31 is arranged at a position corresponding to the first curved surface 11, a second bending section 32 is arranged at a position corresponding to the second curved surface 12, an inclined straight section 34 is arranged at the front end between the first bending section 31 and the second bending section 32, a third bending section 33 is arranged at the rear end, the high end of the inclined straight section 34 is adjacent to the position of the first curved surface 11, and the low end is adjacent to the position of the second curved surface 12.

The outer dimensions of the fabric layer 1, the cushioning layer 2 and the bottom layer 4 are the same, the outer dimension of the half-palm thermoplastic layer 3 is smaller than the outer dimension of the fabric layer 1, after extrusion forming, a raised structure is arranged on the lower end face of the bottom layer 4 and at the position corresponding to the thermoplastic layer 3, and the planar shape of the raised structure is the same as the outer shape of the half-palm thermoplastic layer 3.

The utility model discloses a use method as follows:

as shown in fig. 1 to 4, the polyester fiber is used as the fabric layer 1, so that the contact area between the cushioning layer 2 and the sole and the sterilization effect are ensured, the air permeability is good, the water absorption is good, the antibacterial and bacteriostatic effects are achieved, and the skin-friendly and non-irritant effects are achieved.

The graphene EVA is arranged as the cushioning layer 2, the EVA foaming material has the same bacteriostasis due to the bacteriostasis of the graphene, the antibacterial rate of the graphene antibacterial insole to trichophyton rubrum and other harmful bacteria causing hongkong feet reaches more than 80%, and foot diseases such as hongkong feet, foot odor, desquamation, broken skin, erythra, pruritus and the like can be effectively improved; meanwhile, the graphene EVA layer has excellent resilience, cushioning performance and soft skin-friendly texture.

Set up PVC thermoplastic sheet and for half palm thermoplastic layer 3, the rerum natura parameter of PVC thermoplastic sheet 3 who chooses for use includes: density (g/m 3): 1.30 to 1.50; tensile strength (aspect MPa): not less than 52 degrees; impact strength (notch) (longitudinal and transverse direction): not less than 5 degrees; falling ball impact strength: does not crack; vicat soft points (temperature of samples of polymers such as engineering plastics, general plastics and the like in a liquid heat transfer medium and pressed into a 1mm depth by a press pin of a square meter of 1m under the conditions of a certain load and a certain constant temperature rise): not less than 75 degrees; heating dimensional shrinkage% aspect ratio: 7, so, improved the atress intensity of shoe-pad body, reduced the deflection, non-deformable has improved stability in use.

In addition, the front end of the half sole thermoplastic layer 3, namely the inclined straight section 34 is positioned at the arch position of the foot pad body, so that the space of the front sole can be effectively saved, the front sole is suitable for a shoe type with smaller space, the length of the front sole covers the heel bone to the complete inner arch, but the front end of the front sole cannot reach the metatarsophalangeal joints, the ache caused by the collision of the metatarsophalangeal joints is avoided, the front section of the thermoplastic plate is inclined straight and corresponds to the shape of each metatarsophalangeal joint of the human body sole, namely, the front section of the thermoplastic plate is sequentially and obliquely arranged from the first metatarsopha.

Set up the hot melt film and be bottom 4, have good bottom antiskid effect, have slight thermoplastic properties, can provide slight full palm and support, good bending resistance nature, buckle and do not have the crease, can avoid the condition of shoe-pad body deformation to take place.

As shown in fig. 3 and 4, when the insole is used, the insole body is heated, the half sole thermoplastic layer 3 is heated, so that the materials of all layers are bonded more firmly, and the phenomenon of glue failure is less prone to occur after thermoplastic molding; according to the foot shape, deformation of the foot and the arch position is formed after treading, the insole body 1 corresponds to the position of the half sole thermoplastic layer 3, namely the positions of the first curved surface 11, the second curved surface 12 and the heel, the first curved surface 11 is uniformly folded and contracted by being turned inwards for 10mm, the second curved surface 11 is uniformly folded and contracted by being turned inwards for 8mm, the position of the heel corresponding to the third bending section 33 is uniformly folded and contracted by being turned inwards for 10mm, and the turning position is just the spacing distance between the first bending section 31 and the first curved surface 11, between the second bending section 32 and the second curved surface 12 and between the third bending section 33 and the edge of the insole body corresponding to the heel, so that the space in the shoe is not too small after the foot and the arch position are correspondingly wrapped, and the space in the shoe is prevented from being interfered.

After the shaping of the insole body is completed, the lower limb biological force lines of a human body can be effectively corrected, a certain arch support can relieve plantar fascia fatigue and avoid arch collapse; and the curved heel cup of heel wraps up the molding, can stabilize the heel, prevents to sideslip to and the appropriate calcaneum pressure of alleviating, it is convenient to be heated moulding, warp for a long time, can use wide application scope.

The utility model discloses do not describe the part unanimously with prior art, do not describe herein any more.

The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures made by the contents of the specification and the drawings are directly or indirectly applied to other related technical fields, all the same principle is within the patent protection scope of the present invention.

Claims (9)

1. A thermoplastic insole comprises an insole body and is characterized in that: the insole body comprises a fabric layer (1), a cushioning layer (2), a half-sole thermal-molding layer (3) and a bottom layer (4) which are sequentially arranged from top to bottom, wherein the fabric layer (1), the cushioning layer (2) and the bottom layer (4) are all of a profile structure of a human sole, and the half-sole thermal-molding layer (3) covers the corresponding human complete arch from the heel of the human body.

2. The thermoplastic insole of claim 1, wherein: the two sides of the half sole thermoplastic layer (3) and the outline of the heel part are uniformly contracted inwards by 5-10mm relative to the outline of the fabric layer (1), the cushioning layer (2) and the bottom layer (4).

3. The thermoplastic insole of claim 1, wherein: the contour structures of the fabric layer (1), the cushioning layer (2) and the bottom layer (4) are provided with a first curved surface (11) corresponding to the inner arch position and a second curved surface (12) corresponding to the outer arch position; on the half-palm thermoplastic layer (3), a first bending section (31) is arranged at a position corresponding to the first curved surface (11), a second bending section (32) is arranged at a position corresponding to the second curved surface (12), an inclined straight section (34) is arranged at the front end between the first bending section (31) and the second bending section (32), a third bending section (33) is arranged at the rear end, the high end of the inclined straight section (34) is adjacent to the position of the first curved surface (11), and the low end is adjacent to the position of the second curved surface (12).

4. The thermoplastic insole of claim 1, wherein: the outer dimensions of the fabric layer (1), the cushioning layer (2) and the bottom layer (4) are the same, the outer dimension of the half-palm thermoplastic layer (3) is smaller than the outer dimension of the fabric layer (1), after extrusion forming, the lower end face of the bottom layer (4) is provided with a raised structure at the position corresponding to the half-palm thermoplastic layer (3), and the planar shape of the raised structure is the same as the outer shape of the half-palm thermoplastic layer (3).

5. The thermoplastic insole of claim 1, wherein: the fabric layer (1) is a polyester fiber layer.

6. The thermoplastic insole of claim 1, wherein: the cushioning layer (2) is made of graphene EVA.

7. The thermoplastic insole of claim 1, wherein: the half palm thermoplastic layer (3) is a PVC thermoplastic plate.

8. The thermoplastic insole of claim 1, wherein: the bottom layer (4) is a hot melt film.

9. The thermoplastic insole of claim 1, wherein: the heated softening temperature of the half palm thermoplastic layer is 50-100 ℃.

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