Comfortable breathable antibacterial insole
By using polyester fiber and rice bran polyurethane foam materials in the insole, combined with a support reinforcement layer and cushioning blocks, the problems of poor breathability and antibacterial properties of existing insoles are solved, achieving a higher level of antibacterial and comfort.
Patent Information
- Application Number
- CN202423301469.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-31
AI Technical Summary
Existing insoles have poor breathability and antibacterial properties, making them prone to bacterial growth and causing foot odor or other foot problems. They also lack comfort and resilience.
A comfortable, breathable, and antibacterial insole has been designed using polyester fiber and rice bran polyurethane foam materials, combined with a support reinforcement layer and cushioning blocks to enhance breathability, antibacterial properties, and comfort.
It improves the breathability, antibacterial properties, and odor prevention of the insole; enhances the durability and prevents slipping and rolling over; improves the comfort and stability of the insole.
Smart Images
Figure CN223627033U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to insole technical field especially comfortable bacteria-removing insole structure. BACKGROUND
[0002] The insole is usually made into corresponding shape according to the big sole and the middle sole of the shoes, and the size plate is made according to the last plate or the face plate, and the shape corresponding to the sole is made. The types and functions of the insole are various, and people choose the insole not only for comfort and beautiful appearance, but also for the functions of warmth, elastic support, micro heightening, ventilation, deodorization and the like. For the people who are easy to sweat, the insole with ventilation, antibacterial and deodorization becomes the primary choice.
[0003] The existing insole is usually made of sponge layer or latex layer as the base layer, and then the fabric layer with anti-skid is arranged on the base layer, and the insole has poor resilience, is easy to be damaged and has poor comfort.
[0004] Moreover, the sponge layer, the latex layer and the fabric cannot really absorb the moisture, and the poor ventilation will cause the odor emission and bacteria breeding in the shoes, and most of the bacteria will be adsorbed on the insole, which will cause the foot odor or the athlete's foot and the like. In order to be antibacterial, some insoles add some antibacterial substances, and most of the antibacterial materials cannot really achieve the antibacterial and deodorization.
[0005] The utility model discloses a comfortable and ventilative antibacterial insole, which has good resilience, comfort, ventilation, antibacterial and deodorization effects. UTILITY MODEL CONTENTS
[0006] In order to solve the above problems, the utility model provides a comfortable and ventilative antibacterial insole which is used for placing in the shoes to improve the wearing comfort of the shoes, and includes an insole body 1 and a support reinforcing layer 4. The insole body 1 has a shape corresponding to the sole of the foot, and includes a bacteriostatic and ventilative layer 2 and an intermediate layer 3 arranged in sequence from top to bottom. The support reinforcing layer 4 is arranged at the rear section bottom of the insole body 1, and includes a support layer attached to the bottom surface of the intermediate layer 3 and a side wall 42 attached to the outer circumferential side surface of the rear section of the insole body 1. The side wall 42 extends upward to above the top surface of the insole body 1, and has a shape corresponding to the heel as a whole. The bottom surface of the support reinforcing layer 4 is coplanar with the rest of the bottom surface of the insole body 1. The bacteriostatic and ventilative layer 2, the intermediate layer 3 and the support reinforcing layer 4 are combined into one body by adhesion or pressing.
[0007] The utility model discloses a shoe -pad body 1 includes bacteriostatic and breathable layer 2 and intermediate layer 3, is provided with support reinforcing layer 4 in the shoe -pad body 1 rear section bottom, can improve the permeability of shoe -pad through bacteriostatic and breathable layer 2, reduce the bacteria breeding ( change into inhibit bacteria breeding);Through support reinforcing layer 4 can improve the resilience and firmness of shoe -pad, through side wall 42 can play the role of stable support and wrapping, increase the wrapping property and the degree of fit of shoe -pad to heel, improve comfort, when walking, reduce the sliding between shoe -pad and sole, prevent skidding and roll over, make more stable, durable.
[0008] Preferably, the bottom surface of the support reinforcing layer 4 is formed with a shock-absorbing block 43 corresponding to the heel. Forming the shock-absorbing block 43 on the bottom surface of the support reinforcing layer 4 corresponding to the heel can support the heel, further improve the resilience of the shoe pad, and improve the comfort.
[0009] Preferably, the outer side surface of the side wall 42 is uniformly provided with a plurality of vertically extending strip-shaped grooves 44, and a strip-shaped block 46 is formed between two adjacent strip-shaped grooves 44.
[0010] By uniformly providing a plurality of strip-shaped grooves 44 on the outer side surface of the side wall 42, the gas circulation at the bottom of the shoe pad can be promoted, and the humid gas at the bottom of the shoe pad can be discharged from the strip-shaped grooves 44 when stepping. Moreover, the strip-shaped blocks formed between the strip-shaped grooves 44 can increase the strength of the support reinforcing layer 4 and reduce the deformation of the shoe pad.
[0011] Preferably, an annular groove 45 is formed on the outer periphery of the region corresponding to the heel on the bottom surface of the support reinforcing layer 4, and the region in the annular groove 45 serves as the shock-absorbing block 43.
[0012] The shock-absorbing block 43 is separated from other regions of the support reinforcing layer 4 by the annular groove 45, so that the shock-absorbing block 43 forms an independent block surface on the bottom surface of the support reinforcing layer 4. This can increase the tortuous stress during walking and provide better support for the heel.
[0013] Preferably, the bacteriostatic and breathable layer 2 is made of polyester fiber and contains a bacteriostatic agent, which is oxazolinone / nano-silver copolymer RF-5819.
[0014] Since the uppermost layer of the bacteriostatic and breathable layer 2 directly contacts the sole, the polyester fiber with fine lines is selected to effectively prevent the temperature inside the shoe from rising and bacteria from breeding due to long-time walking and friction. The gap between the fabrics is moderate, which can promote air circulation and ensure good permeability with the intermediate layer 3. The gas inside the shoe can pass through the fabric layer to the intermediate layer 3 and be absorbed by the rice bran polyurethane sponge of the intermediate layer 3, effectively inhibiting the breeding of bacteria and causing smelly feet or other foot diseases.
[0015] Preferably, the antibacterial and breathable layer 2 is made of either perforated pigskin or sheepskin. This ensures breathability and comfort, provides a superior skin-friendly feel, and enhances the overall quality.
[0016] Preferably, the middle layer 3 is made of rice bran polyurethane foam, and the supporting and reinforcing layer 4 is made of rice bran polyurethane foam. Rice bran polyurethane foam has excellent breathability and moisture permeability, can absorb moisture, breathe, and inhibit bacteria, achieving a recirculating antibacterial effect, automatically regulating and maintaining moisture levels, keeping warm in winter and cool in summer, and removing odors.
[0017] Preferably, the thickness of the antibacterial and breathable layer 2 is 0.5 mm.
[0018] Preferably, the thickness of the intermediate layer 3 is 5 mm.
[0019] Preferably, the thickness of the damping block 43 is 3mm. Attached Figure Description
[0020] Figure 1 Schematic diagram of the side structure of the comfortable, breathable, and antibacterial insole;
[0021] Figure 2 A schematic diagram of the structure on another side of the comfortable, breathable, and antibacterial insole;
[0022] Figure 3 Schematic diagram of the top surface structure of the comfortable, breathable, and antibacterial insole;
[0023] Figure 4 Schematic diagram of the structure of the comfortable, breathable, and antibacterial insole;
[0024] Figure 5 . Figure 1 Schematic diagram of the cross-sectional structure of AA.
[0025] In the diagram, 1. Insole body, 2. Antibacterial and breathable layer, 3. Middle layer, 4. Support and reinforcement layer, 41. Support layer, 42. Sidewall, 43. Cushioning block, 44. Strip groove, 45. Annular groove, 46. Strip block. Detailed Implementation
[0026] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings.
[0027] like Figures 1-5 As shown, a comfortable, breathable, and antibacterial insole is placed inside a shoe to improve the comfort of wearing the shoe. It includes an insole body 1 and a support and reinforcement layer 4. The insole body 1 has a shape corresponding to the foot and includes an antibacterial and breathable layer 2 and an intermediate layer 3 arranged sequentially from top to bottom.
[0028] The support and reinforcement layer 4 is disposed at the bottom of the rear section of the insole body 1, including a support layer that is attached to the bottom surface of the intermediate layer 3 and a sidewall 42 that is attached to the outer peripheral side of the rear section of the insole body 1.
[0029] The side wall 42 extends upward above the top surface of the insole body 1 and has a shape corresponding to the heel as a whole.
[0030] The bottom surface of the support reinforcing layer 4 is coplanar with the rest of the bottom surface of the insole body 1.
[0031] The bacteriostatic and breathable layer 2, the intermediate layer 3 and the support reinforcing layer 4 are combined into one body by bonding or pressing.
[0032] The bacteriostatic and breathable layer 2 is made of polyester fiber with a thickness of 0.5 mm. A bacteriostatic agent, which is azolinone / nano-silver copolymer RF-5819, is added to the bacteriostatic and breathable layer 2.
[0033] Since the uppermost layer of the bacteriostatic and breathable layer 2 directly contacts the sole, polyester fiber with fine lines is selected to effectively avoid the increase of temperature in the shoe due to long-time walking friction, which causes bacteria breeding. The gap between the fabrics is moderate, which can promote air circulation and ensure good ventilation of the intermediate layer 3, so that the gas in the shoe reaches the intermediate layer 3 through the fabric layer and is absorbed by the rice bran polyurethane sponge of the intermediate layer 3, effectively inhibiting the breeding of bacteria and causing smelly feet or other foot diseases.
[0034] The bacteriostatic and breathable layer 2 can also be made of one of punched pigskin or sheepskin. Therefore, the air permeability and comfort can be ensured, the skin-friendly feeling of real leather is strong, and the quality is better.
[0035] The intermediate layer 3 and the support reinforcing layer 4 are made of rice bran polyurethane sponge with a hardness of 18 degrees. The thickness of the intermediate layer 3 is 5 mm.
[0036] The rice bran polyurethane sponge has good air and moisture permeability, can absorb moisture, ventilate, inhibit bacteria, achieve the effect of inhibiting bacteria again, automatically adjust and maintain the moisture level, keep warm in winter and cool in summer, and eliminate odors.
[0037] The support reinforcing layer 4 can improve the resilience and firmness of the insole, and the side wall 42 can play a role in stable support and wrapping, increase the wrapping and fitting of the insole to the heel, and improve the comfort. When walking, the sliding between the insole and the sole is reduced, preventing slipping and turning over, making it more stable and durable.
[0038] The bottom surface of the support reinforcing layer 4 has a shock-absorbing block 43 corresponding to the heel. The shock-absorbing block 43 is an integral structure with the support reinforcing layer 4. The shock-absorbing block 43 formed on the bottom surface of the support reinforcing layer 4 corresponding to the heel can support the heel, further improve the resilience of the insole, and improve the comfort.
[0039] The outer side of the side wall 42 is evenly provided with a plurality of vertically extending strip-shaped grooves 44. Through the strip-shaped grooves 44, the gas circulation of the insole bottom can be promoted, and the humid gas of the insole bottom can be discharged from the strip-shaped grooves 44 during stepping. In addition, the strip-shaped blocks formed between the strip-shaped grooves 44 can increase the strength of the support reinforcing layer 4 and reduce the deformation of the insole.
[0040] An annular groove 45 is formed on the outer periphery of the area corresponding to the heel part of the bottom surface of the support reinforcing layer 4. The area in the annular groove 45 is used as a shock-absorbing block 43, and the thickness of the shock-absorbing block 43 is 3 mm.
[0041] The shock-absorbing block 43 is separated from other areas of the support reinforcing layer 4 by the annular groove 45, so that the shock-absorbing block 43 forms an independent block surface on the bottom surface of the support reinforcing layer 4. In the process of walking, the tortuous stress can be increased, and the heel can be better supported.
[0042] The rice bran polyurethane sponge is prepared by the following method:
[0043] First step, material preparation: pretreatment of rice bran particles, static in a constant temperature and humidity (25 degrees, 60% humidity) room, keep it at 25 degrees, 60% humidity, so that the rice bran particles are more easily combined with the foaming material.
[0044] Control the temperature of diphenyl methane diisocyanate to keep it constant at 31 degrees.
[0045] Prepare diethanolamine solution: mix diethanolamine and water in a ratio of 1:2 to prepare diethanolamine solution. Ensure that the temperature of diethanolamine is greater than 20 degrees during preparation to prevent diethanolamine from solidifying.
[0046] Prepare tin catalyst mixed solution: mix polyether 36N and tin catalyst T-12 in a ratio of 20:1 to obtain tin catalyst mixed solution.
[0047] Prepare rice bran polyol mixture: pour 5 parts of rice bran and 60 parts of polyol 2815 into a mixing tank, stir to mix thoroughly, and make the rice bran evenly distributed in the polyol. Let it stand to eliminate foam and obtain the rice bran polyol mixture.
[0048] Second step, preparation of foaming material: add the prepared rice bran polyol mixture, diphenyl methane diisocyanate, tin catalyst mixed solution and diethanolamine solution into the foaming machine in proportion. Stir and carry out foaming reaction at 29℃. The reaction is completed after 5 minutes to obtain the foaming material.
[0049] Third step, preparation of rice bran polyurethane sponge: place the foaming material on the conveyor belt for 72 hours of curing to obtain the rice bran polyurethane sponge. After curing, the required hardness is 18 degrees.
[0050] The utility model discloses a shoe -pad body 1 includes bacteriostatic and breathable layer 2, intermediate layer 3 and the support reinforcing layer 4 of the shoe -pad body 1 rear section bottom, can improve the air permeability of shoe -pad through bacteriostatic and breathable layer 2, inhibit the bacterial growth, can improve the resilience and firmness of shoe -pad through support reinforcing layer 4, through the side wall 42 can play the role of stable support and wrapping, increase the wrapping property and the degree of fit of shoe -pad to heel, improve the comfort, when walking, reduce the slip between shoe -pad and sole, prevent skidding and roll over, make more stable, durable.
[0051] The shock pad 43 is formed on the bottom surface of the support reinforcing layer 4 and corresponds to the heel, can support the heel, further improve the resilience of the shoe -pad, improve the comfort. The intermediate layer 3 and the support reinforcing layer 4 adopt rice bran polyurethane sponge, the rice bran polyurethane sponge has good air permeability and moisture permeability, can absorb moisture, ventilate, inhibit bacteria, achieve the effect of recycling bacteriostasis, automatically adjust and keep the moisture degree, warm in winter and cool in summer, and remove odour.
[0052] It should be noted that the above examples illustrate the utility model rather than limit the utility model.
Claims
1. A comfortable, breathable, antibacterial insole for placement in a shoe to improve the comfort of the shoe, characterized in that, The insole body (1) and the support reinforcing layer (4), The insole body (1) has a shape corresponding to the instep, comprising a bacteriostatic and breathable layer (2) and an intermediate layer (3) arranged in sequence from top to bottom, The support reinforcing layer (4) is arranged at the bottom of the rear section of the insole body (1), comprising a support layer (41) attached to the bottom surface of the intermediate layer (3) and a side wall (42) attached to the outer peripheral side surface of the rear section of the insole body (1), The side wall (42) extends upward above the top surface of the insole body (1) and has a shape corresponding to the heel as a whole; The bottom surface of the support reinforcing layer (4) is coplanar with the remaining part of the bottom surface of the insole body (1); The bacteriostatic and breathable layer (2), the intermediate layer (3) and the support reinforcing layer (4) are combined into one body by bonding or pressing.
2. The comfort, breathable, antimicrobial insole of claim 1, wherein, The bottom surface of the support reinforcing layer (4) forms a shock-absorbing block (43) corresponding to the heel.
3. The comfort, breathable, antimicrobial shoe insole of claim 2, wherein, The outer side surface of the side wall (42) is uniformly provided with a plurality of vertically extending strip-shaped grooves (44); Adjacent two strip-shaped grooves (44) form a strip-shaped block (46).
4. The comfort, breathable, antimicrobial shoe insole of claim 3, wherein, The outer periphery of the area corresponding to the heel part on the bottom surface of the support reinforcing layer (4) forms an annular groove (45), and the area inside the annular groove (45) serves as a shock-absorbing block (43).
5. The comfort, breathable, antimicrobial shoe insole of claim 4, wherein, The bacteriostatic and breathable layer (2) uses polyester fiber with bacteriostatic agent.
6. The comfort, breathable, antimicrobial shoe insole of claim 4, wherein, The bacteriostatic and breathable layer (2) uses one of perforated pigskin or sheepskin.
7. The comfort, breathable, antimicrobial shoe insole of any one of claims 5 or 6, wherein, The intermediate layer (3) uses rice bran polyurethane sponge; The support reinforcing layer (4) uses rice bran polyurethane sponge.
8. The comfort, breathable, antimicrobial shoe insole of claim 7, wherein, The thickness of the bacteriostatic and breathable layer (2) is 0.5mm.
9. The comfort, breathable, antimicrobial shoe insole of claim 8, wherein, The thickness of the intermediate layer (3) is 5mm.
10. The comfort, breathable, antimicrobial shoe insole of claim 9, wherein, The thickness of the shock-absorbing block (43) is 3mm.