Insole with stability

Abstract

The utility model discloses an insole with stability, and relates to the technical field of insoles. The shoe pad comprises a shoe pad body, a bottom anti-skid limiting assembly and a self-adaptive stabilizing assembly, the shoe pad body comprises a half sole area, an arch area and a heel area, and the half sole area is made of a low-density elastic material layer. Through the bottom anti-skidding limiting assembly, sliding and lateral deviation of a foot are effectively restrained, lateral deviation of the foot is easily caused due to the fact that a traditional insole is lack of a limiting structure, the friction force between the insole and a shoe sole is remarkably enhanced through the wavy lines of the radial anti-skidding strips, the radial direction of the radial anti-skidding strips is matched with a foot stress path, and pressure is guided to be diffused in cooperation with the concave channels. Local stress concentration is avoided, the annular flange of the heel area tightly wraps the heel contour through the acute-angle side wall, transverse displacement is limited, meanwhile, the hemispherical protrusions of the half sole area increase friction force of the contact face, the foot is prevented from sliding forwards, and the area from the half sole to the heel is made of stepped density increasing materials.

Description

TECHNICAL FIELD

[0001] The utility model belongs to insole technical field, especially a kind of insole with stability. BACKGROUND

[0002] Insole is placed in shoe and contacts with the auxiliary supplies of bottom, with the function of buffering and shock attenuation to reduce foot pressure, realize sweat absorption, air permeation, antibacterial and odor resistance effect by material selection, part of product has the function of correcting foot type, supporting arch, also can improve wearing comfort and fit feeling.

[0003] Traditional insole is mostly single material layer or simple plane design of adhering arch, and its supporting structure lacks stability, it is difficult to effectively limit foot excessive side shift or sliding when walking or moving, leading to arch collapse, uneven foot pressure distribution, long-term use easily causes foot fatigue, arch pain and even ankle joint sprain, especially for the stability demand of flat foot, high arch or sports population cannot be adapted, which is not conducive to use.

[0004] Therefore, we provide an insole with stability to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing an insole with stability, by the cooperation of bottom anti-skid limiting component and self-adapting stability component, the problem of foot sliding, lateral deviation and insufficient stability caused by lack of limiting structure in prior art is solved.

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes.

[0007] The utility model discloses a kind of insoles with stability, including insole body, bottom anti-skid limiting component and self-adapting stability component, the insole body includes three parts of forefoot area, arch area and heel area, the forefoot area adopts low-density elastic material layer, the arch area adopts the arc-shaped support surface formed by the upward bulge of high-density elastic material layer, the heel area adopts high-density elastic material layer to wrap heel contour, the bottom anti-skid limiting component includes anti-skid strip, the top of the anti-skid strip is fixedly connected with the insole body, the anti-skid strip adopts radial structure, is distributed at the bottom of insole body, the right side of the bottom of insole body is fixedly connected with annular flange, the self-adapting stability component includes elastic support block, the bottom of the elastic support block is fixedly connected with the insole body, the inner chamber of the elastic support block is fixedly connected with honeycomb elastomer.

[0008] The utility model further sets up, the extension direction of the anti -skid strip radial convex is identical with the stress direction when walking, the anti -skid strip forms recessed passage with anti -skid strip between, the surface of anti -skid strip is provided with wave friction lines, and the wave friction lines of anti -skid strip surface increase the friction of insole, and recessed passage guides the even diffusion of foot bottom pressure.

[0009] The utility model further sets up, the included angle between the inclined side wall of annular flange and heel area bottom surface is acute angle, the material density of three area materials of forefoot area, arch area and heel area is gradient increasing from forefoot area to heel area, forms the step type support, and the acute angle inclined side wall of annular flange fits heel physiological arc, and limit heel lateral deviation, and the material density of forefoot area to heel area is step type increasing, forms the progressive support from soft to rigid, guarantees the flexible bending of forefoot, and also strengthens the impact resistance of heel.

[0010] The utility model further sets up, the honeycomb hole of honeycomb elastic body in the elastic support block interior extends along the foot transverse stress direction, the inner wall of elastic support block is equipped with longitudinal reinforcing rib, the reinforcing rib is integrally formed with the top and bottom of elastic support block, and the honeycomb hole structure of transverse extension improves the deformation adaptability of elastic support block to foot transverse inversion, disperses local pressure, and the reinforcing rib is integrally formed with elastic support block, strengthens structure fatigue strength, avoids long-term compression collapse.

[0011] The utility model further sets up, the bottom of elastic support block is fixed with insole body through the mode of hot melt connection, the surface of elastic support block is fixedly connected with buffer transition layer, and hot melt technology ensures that elastic support block is combined with insole body seamlessly, avoids delamination hidden danger, and the buffer transition layer softens the contact of support block edge and foot bottom, reduces the hard material and brings the feeling of being cramped.

[0012] The utility model further sets up, the top of forefoot area is equipped with a plurality of hemispherical convex, and the hemispherical convex is arrayed on the top of forefoot area, and the arrayed hemispherical convex increases the contact friction of foot bottom forefoot and insole, prevents the forefoot of foot from sliding, and also disperses the forefoot pressure through elastic deformation, reduces local fatigue.

[0013] The utility model further sets up, the top of annular flange and heel area are integrally formed through mould pressing technology, the material of anti -skid strip is same with arch area material, and both are made of medium high density elastic material, and annular flange and heel area are integrally formed by mould pressing, eliminate the risk of joint fracture, and the anti -skid strip and arch area are made of same material medium high density elastic material, and the mechanical compatibility of anti -skid and arch support is considered.

[0014] The utility model further sets up, the inboard of heel area is equipped with U shaped recess, the opening of U shaped recess is toward the center of insole body, fills in the shock absorption gel layer in U shaped recess, the surface of shock absorption gel layer and U shaped recess inner wall vulcanization adhesion fixed, U shaped recess opening is toward the heel center, shock absorption gel layer vulcanization adhesion in the groove, absorbs the heel impact force when walking and fills the heel gap self -adaptation, promotes the heel fit degree and the shock attenuation effect, further inhibits the sway.

[0015] The utility model has the following beneficial effects.

[0016] 1, the utility model discloses a bottom anti -skidding limiting component effectively inhibits foot sliding and lateral deviation, and the traditional insole is easy to lead to foot lateral deviation because of lacking limiting structure, and the wavy line of radial anti -skid strip significantly enhances the friction of insole and sole, and its radial direction coincides with the stress path of foot, and the pressure diffusion is guided in cooperation recessed channel, avoids local stress concentration, and the annular flange of heel area is tightly wrapped around the heel contour through the acute angle side wall, and the lateral displacement is limited, and the hemispherical protrusion of forefoot area increases the friction of contact surface, prevents the foot forward slip, and the forefoot to heel area adopts the material of step type density increment, forms the progressive support system from soft to rigid, can keep the flexible bending of forefoot, and also disperses the impact force through the high-density material of heel, solves the foot arch collapse problem caused by the insufficient support of traditional plane insole, and is especially suitable for the dynamic stability demand of foot during the movement.

[0017] 2, the utility model discloses a self -adaptation stabilizing component, the honeycomb elastomer that the elastic support block internally extends horizontally produces directional deformation when the foot lateral stress, and the elastic rebound of honeycomb hole structure offsets the tendency of varus and valgus in the arch, and the compression strength is enhanced in cooperation longitudinal reinforcing rib, avoids the support collapse after long -term use, and the medium -high density arc support surface of the arch area and the honeycomb structure synergistic effect realize the pressure self -adaptation regulation, improve the adaptability of traditional single material layer to high arch or flatfoot group, and the shock absorption gel layer filled in the U shaped recess of heel area is fitted with the heel gap while absorbing the impact force, and the rigid gradient formed by the step type density material realizes the step -by -step transition of foot bottom pressure from heel to forefoot, reduces the foot bottom fascia fatigue, and solves the foot sore problem caused by the uneven pressure distribution of traditional insole. ACCURACY OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing do simple introduction.

[0019] Figure 1 It is a kind of stereogram of insole with stability;

[0020] Figure 2 It is insole body material composition schematic diagram in a kind of insole with stability;

[0021] Figure 3 A bottom view of a shoe insole with stability;

[0022] Figure 4 A side view of a shoe insole with stability;

[0023] Figure 5 A partial sectional view of a shoe insole body in a shoe insole with stability.

[0024] In the drawings: 1, shoe insole body; 11, forefoot region; 12, arch region; 13, heel region; 2, bottom anti-skid limiting component; 21, anti-skid bar; 22, annular flange; 3, adaptive stability component; 31, elastic support block; 32, honeycomb elastic body; 33, reinforcing rib; 4, U-shaped groove; 5, shock-absorbing gel layer. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all.

[0026] Embodiment one

[0027] Please refer to Figures 1-5 The present application is a shoe insole with stability, which comprises a shoe insole body 1, a bottom anti-skid limiting component 2 and an adaptive stability component 3. The shoe insole body 1 comprises a forefoot region 11, an arch region 12 and a heel region 13. The forefoot region 11 is made of a low-density elastic material layer. The arch region 12 is made of a medium-high-density elastic material layer, which is raised upward to form an arc-shaped support surface. The heel region 13 is made of a high-density elastic material layer, which wraps around the contour of the heel. The bottom anti-skid limiting component 2 comprises an anti-skid bar 21, the top of which is fixedly connected to the shoe insole body 1. The anti-skid bar 21 adopts a radial structure and is distributed at the bottom of the shoe insole body 1. An annular flange 22 is fixedly connected to the right side of the bottom of the shoe insole body 1. The adaptive stability component 3 comprises an elastic support block 31, the bottom of which is fixedly connected to the shoe insole body 1. The inner cavity of the elastic support block 31 is fixedly connected to a honeycomb elastic body 32.

[0028] Specifically, the densities of the forefoot region 11, the arch region 12 and the heel region 13 increase gradually from front to back, forming a stepped support structure, which disperses the pressure on the sole and inhibits lateral deviation, thereby improving the overall stability. The anti-skid bar 21 is radially distributed along the force direction of the foot, which reduces the sliding of the shoe insole body 1 in the shoe cavity and enhances the limiting effect during walking. The honeycomb holes of the honeycomb elastic body 32 extend along the transverse force direction, which produces directional deformation and rebounds when pressed, thereby offsetting the lateral deviation of the arch. The reinforcing rib 33 improves the compression strength of the honeycomb structure, avoids the collapse of the elastic support block 31 and ensures long-term stability.

[0029] Embodiment Two

[0030] Please refer to Figures 1-5 On the basis of Embodiment One, the extension direction of the radially protruding anti-skid strips 21 is consistent with the force direction when the foot is walking, the anti-skid strips 21 and the anti-skid strips 21 form a recessed channel, the surface of the anti-skid strips 21 is provided with wavy friction lines, the included angle between the inclined side wall of the annular flange 22 and the bottom surface of the heel area 13 is an acute angle, the material density of the three areas of the forefoot area 11, the arch area 12 and the heel area 13 increases gradually from the forefoot area 11 to the heel area 13, forming a stepped support, the honeycomb holes of the honeycomb-shaped elastomer 32 inside the elastic support block 31 extend along the transverse force direction of the foot, the inner wall of the elastic support block 31 is provided with a longitudinal reinforcing rib 33, the reinforcing rib 33 is integrally formed with the top and bottom of the elastic support block 31, the bottom of the elastic support block 31 is fixed to the insole body 1 by a hot melting connection, the surface of the elastic support block 31 is fixedly connected with a buffer transition layer, the upper surface of the forefoot area 11 is provided with a plurality of hemispherical protrusions, the hemispherical protrusions are arranged in an array on the top of the forefoot area 11, the top of the annular flange 22 and the heel area 13 are integrally formed by a molding process, the material of the anti-skid strips 21 is the same as that of the arch area 12, both are made of medium-high density elastic material, the inner side of the heel area 13 is provided with a U-shaped groove 4, the opening of the U-shaped groove 4 faces the center of the insole body 1, the U-shaped groove 4 is filled with a shock-absorbing gel layer 5, and the surface of the shock-absorbing gel layer 5 is vulcanized and adhesively fixed with the inner wall of the U-shaped groove 4.

[0031] Specifically: the anti-skid strip 21 surface wave-shaped friction lines increase the friction with the insole, the recessed channel guides the uniform diffusion of the plantar pressure, the acute angle inclined side wall of the annular flange 22 fits the physiological curvature of the heel, limits the lateral deviation of the heel, the material density of the forefoot area 11 to the heel area 13 increases in steps, forming a gradual support from soft to hard, which not only ensures the flexible bending of the forefoot, but also strengthens the impact resistance of the heel, the transversely extending honeycomb hole structure improves the deformation adaptability of the elastic support block 31 to the lateral inversion of the foot, disperses the local pressure, the reinforcing rib 33 is integrally formed with the elastic support block 31, which enhances the structural fatigue strength and avoids long-term compression collapse, the hot melting process ensures that the elastic support block 31 is seamlessly combined with the insole body 1, avoids delamination hazards, the buffer transition layer softens the edge of the support block and the contact with the foot bottom, reduces the hard feeling caused by hard materials, the arrayed hemispherical protrusions increase the contact friction between the forefoot and the insole, prevent the foot from sliding forward, and at the same time, the elastic deformation assists in dispersing the forefoot pressure and reducing local fatigue, the annular flange 22 is integrally formed with the heel area 13 by die molding, eliminating the risk of joint fracture, the anti-skid strip 21 and the arch area 12 are made of high-density elastic material, which takes into account the mechanical coordination of anti-skid and arch support, the U-shaped groove 4 is open towards the heel center, the shock absorbing gel layer 5 is vulcanized and bonded in the groove, absorbs the impact force of the heel during walking and self-adapts to fill the heel gap, improves the fit of the heel and the shock absorbing effect, further suppresses the shaking.

[0032] The working principle of the utility model is as follows: when the foot contacts the insole body 1, the low-density material of the forefoot area 11 increases the contact friction through the hemispherical protrusions, disperses the local pressure and suppresses the forward sliding, the medium-high density arc-shaped support surface of the arch area 12 fits the physiological curve of the arch, cooperates with the transversely honeycomb-shaped elastomer 32 in the elastic support block 31 to produce directional deformation when the foot deviates laterally, offsets the inversion trend through elastic rebound, the high-density material of the heel area 13 and the acute angle side wall of the annular flange 22 jointly wrap the heel, limit the lateral displacement, and at the same time, the shock absorbing gel layer 5 in the U-shaped groove 4 absorbs impact energy and fills the heel gap, during the walking process, the radial anti-skid strip 21 of the bottom anti-skid limiting component 2 enhances the friction with the sole through the wave-shaped lines, the extension direction is consistent with the stress path of the foot, cooperates with the recessed channel to guide the uniform diffusion of the pressure, the stepped density material transitions from soft to hard, the forefoot area 11 remains flexible and bends, the heel area 13 strengthens the rigid support, the transversely hole structure of the honeycomb-shaped elastomer 32 deforms and rebounds when under pressure, cooperates with the reinforcing rib 33 to prevent collapse and maintain the stability of the arch support, the elastic support block 31 connected by hot melting contacts the foot bottom through the buffer transition layer, reduces the hard feeling, the annular flange 22 and the heel area 13 are seamlessly combined by die molding, avoiding structural fracture, at the same time, the shock absorbing gel layer 5 is vulcanized and fixed in the U-shaped groove 4, continuously absorbs the impact and improves the fit, suppresses the shaking during walking.

[0033] The preferred embodiments disclosed above are only used to help describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode described, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model.

Claims

1. A shoe insole with stability, comprising a shoe insole body (1), a bottom anti-skid limiting component (2) and a self-adaptive stability component (3), characterized in that: The insole body (1) comprises a forefoot region (11), an arch region (12) and a heel region (13), the forefoot region (11) adopts a low-density elastic material layer, the arch region (12) adopts a high-density elastic material layer to form an arc-shaped support surface, and the heel region (13) adopts a high-density elastic material layer to wrap the contour of the heel. The bottom anti-skid limiting component (2) comprises an anti-skid strip (21), the top of the anti-skid strip (21) is fixedly connected with the insole body (1), the anti-skid strip (21) adopts a radial structure and is distributed on the bottom of the insole body (1), and the right side of the bottom of the insole body (1) is fixedly connected with an annular flange (22). The self-adaptive stabilizing component (3) comprises an elastic support block (31), the bottom of the elastic support block (31) is fixedly connected with the insole body (1), and the inner cavity of the elastic support block (31) is fixedly connected with a honeycomb-shaped elastic body (32).

2. The insole with stability according to claim 1, wherein: The extension direction of the radially protruding anti-skid strip (21) is consistent with the stress direction of the foot during walking, the anti-skid strips (21) form recessed channels between each other, and the surface of the anti-skid strip (21) is provided with wavy friction lines.

3. The insole with stability according to claim 1, wherein: The angle between the inclined side wall of the annular flange (22) and the bottom surface of the heel region (13) is an acute angle, the material density of the forefoot region (11), the arch region (12) and the heel region (13) gradually increases from the forefoot region (11) to the heel region (13), and a stepped support is formed.

4. The insole with stability of claim 1, wherein: The honeycomb holes of the honeycomb-shaped elastic body (32) in the elastic support block (31) extend along the transverse stress direction of the foot, the inner wall of the elastic support block (31) is provided with a longitudinal reinforcing rib (33), and the reinforcing rib (33) is integrally formed with the top and bottom of the elastic support block (31).

5. The insole with stability of claim 1, wherein: The bottom of the elastic support block (31) is fixed with the insole body (1) by means of hot melting connection, and a buffer transition layer is fixedly connected to the surface of the elastic support block (31).

6. The insole with stability of claim 1, wherein: The top surface of the forefoot region (11) is provided with a plurality of hemispherical protrusions which are arranged in an array on the top of the forefoot region (11).

7. The insole with stability of claim 1, wherein: The top of the annular flange (22) is integrally formed with the heel region (13) through a molding process, and the material of the anti-skid strip (21) is the same as that of the arch region (12) and is made of a high-density elastic material.

8. The insole with stability of claim 1, wherein: The inner side of the heel region (13) is provided with a U-shaped groove (4), the opening of the U-shaped groove (4) faces the center of the insole body (1), the U-shaped groove (4) is filled with a shock-absorbing gel layer (5), and the surface of the shock-absorbing gel layer (5) is vulcanized and adhesively fixed with the inner wall of the U-shaped groove (4).

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