CN113752653A

CN113752653A - Damping buffer structure and preparation method thereof

Info

Publication number: CN113752653A
Application number: CN202110962489.0A
Authority: CN
Inventors: 黄显; 高宇; 杨晴; 王敬; 朱沈宏
Original assignee: Institute of Flexible Electronics Technology of THU Zhejiang; Qiantang Science and Technology Innovation Center
Current assignee: Institute of Flexible Electronics Technology of THU Zhejiang; Qiantang Science and Technology Innovation Center
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2021-12-07

Abstract

The application relates to a shock attenuation buffer structure, including buffer layer, buffer layer and flexible packaging layer, range upon range of setting between buffer layer and the buffer layer, flexible packaging layer cladding is in buffer layer and buffer layer overall structure's outside, and the buffer layer includes at least one and adsorbs shear thickening fluidic flexible material layer. Also relates to a preparation method of the damping and buffering structure, which comprises the following steps: providing a shock absorbing layer and a buffer layer, wherein the shock absorbing layer comprises at least one flexible material layer absorbing shear thickening fluid; and laminating the shock absorption layer and the buffer layer, and coating the flexible packaging layer on the outside. This application uses the flexible material layer that adsorbs shear thickening fluid as the buffer layer to carry out compound package with the buffer layer, the flexible material layer that adsorbs shear thickening fluid can be changed into solid-state by liquid state in the twinkling of an eye after receiving rapid compression, shearing or assaulting, can compromise shock-absorbing function, compliance and travelling comfort, combines the cushioning effect of buffer layer, guarantees that external force is fully absorbed, promotes shock attenuation buffering effect.

Description

Damping buffer structure and preparation method thereof

Technical Field

The application relates to the technical field of protective articles, in particular to a damping and buffering structure and a preparation method thereof.

Background

The buffering shock-absorbing structure of wearing formula requires to have the light, flexible characteristics of quality to can compromise safeguard function and travelling comfort. However, the commonly used damping and cushioning materials such as composite metal plates and metal ceramic composite materials have the disadvantages of heavy weight, limited movement and the like, and the common flexible materials such as fibers and foam materials have poor damping and cushioning effects when used singly, so that the existing damping and cushioning structure has the problems of overlarge load, limited movement and incapability of realizing both comfort and damping and cushioning effects, and is not suitable for wearing.

Disclosure of Invention

In view of the above technical problems, the application provides a shock absorption buffer structure and a preparation method thereof, which can give consideration to shock absorption buffer function, softness and comfort, and have good shock absorption buffer effect.

For solving above-mentioned technical problem, the application provides a shock attenuation buffer structure, including buffer layer, buffer layer and flexible packaging layer, the buffer layer with range upon range of setting between the buffer layer, flexible packaging layer cladding is in the buffer layer with buffer layer overall structure's outside, the buffer layer includes at least one and adsorbs shear thickening fluidic flexible material layer.

Optionally, the flexible material layer in the shock absorption layer is a fiber material layer, and the mass of the shear thickening fluid accounts for 20-60% of the total mass of the shock absorption layer.

Optionally, one side of the buffer layer, which faces away from the buffer layer, is provided with a first pressure sensing layer, one side of the buffer layer, which faces away from the buffer layer, is provided with a second pressure sensing layer, and the flexible packaging layer is coated outside the first pressure sensing layer, the buffer layer and the second pressure sensing layer in the whole structure.

Optionally, a first thin film layer is further disposed between the first pressure sensing layer and the shock absorption layer, and/or a second thin film layer is further disposed between the buffer layer and the shock absorption layer.

Optionally, the areas of the first thin film layer, the second thin film layer, the base layer of the first pressure sensing layer, the base layer of the second pressure sensing layer, and the buffer layer are larger than the area of the flexible material layer in the shock absorbing layer.

Optionally, the first pressure sensing layer and the second pressure sensing layer are provided with a wireless communication module.

Optionally, the buffer layer is a foam material layer, the thickness of the buffer layer is 2mm-5mm, and the thickness of the shock absorption layer is 2mm-20 mm.

Optionally, an attachment layer is disposed on an outer side surface of the flexible encapsulation layer corresponding to one side of the buffer layer.

The application also provides a preparation method of the damping and buffering structure, which comprises the following steps:

s1, providing a damping layer and a buffer layer, wherein the damping layer comprises at least one flexible material layer absorbing shear thickening fluid;

and S2, laminating the damping layer and the buffer layer, and coating a flexible packaging layer on the outside.

Optionally, the step S1 further includes providing a first pressure sensing layer and a second pressure sensing layer, and the step S2 includes:

s21, sequentially stacking the preformed part of the flexible packaging layer, the first pressure sensing layer, the damping layer, the buffer layer and the second pressure sensing layer in a mould;

s22, pouring the precursor material of the flexible packaging layer in the mould, and solidifying the precursor material and the preformed part to form the flexible packaging layer which coats the first pressure sensing layer, the damping layer, the buffer layer and the second pressure sensing layer.

The utility model provides a shock attenuation buffer structure, including buffer layer, buffer layer and flexible packaging layer, range upon range of setting between buffer layer and the buffer layer, flexible packaging layer cladding is in buffer layer and buffer layer overall structure's outside, and the buffer layer includes at least one absorption shear thickening fluidic flexible material layer. Also relates to a preparation method of the damping and buffering structure, which comprises the following steps: providing a shock absorbing layer and a buffer layer, wherein the shock absorbing layer comprises at least one flexible material layer absorbing shear thickening fluid; and laminating the shock absorption layer and the buffer layer, and coating the flexible packaging layer on the outside. This application uses the flexible material layer that adsorbs shear thickening fluid as the buffer layer to carry out compound package with the buffer layer, the flexible material layer that adsorbs shear thickening fluid can be changed into solid-state by liquid state in the twinkling of an eye after receiving rapid compression, shearing or assaulting, can compromise shock-absorbing function, compliance and travelling comfort, combines the cushioning effect of buffer layer, guarantees that external force is fully absorbed, promotes shock attenuation buffering effect, and preparation method is simple.

Drawings

Fig. 1 is a schematic structural view of a shock-absorbing buffer structure according to a first embodiment;

FIG. 2 is a schematic structural view of a shock-absorbing cushion structure according to a second embodiment;

fig. 3 is a schematic flow chart illustrating a method of manufacturing a shock-absorbing buffer structure according to a third embodiment.

Detailed Description

The following description of the embodiments of the present application is provided for illustrative purposes, and other advantages and capabilities of the present application will become apparent to those skilled in the art from the present disclosure.

In the following description, reference is made to the accompanying drawings that describe several embodiments of the application. It is to be understood that other embodiments may be utilized and that mechanical, structural, electrical, and operational changes may be made without departing from the spirit and scope of the present application. The following detailed description is not to be taken in a limiting sense, and the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

Although the terms first, second, etc. may be used herein to describe various elements in some instances, these elements should not be limited by these terms. These terms are only used to distinguish one element from another.

Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

First embodiment

Fig. 1 is a schematic structural view of a shock-absorbing and cushioning structure according to a first embodiment. As shown in fig. 1, the shock-absorbing and buffering structure of the present embodiment includes a shock-absorbing layer 11, a buffer layer 12 and a flexible packaging layer 13, wherein the shock-absorbing layer 11 and the buffer layer 12 are stacked, the flexible packaging layer 13 is wrapped outside the overall structure of the shock-absorbing layer 11 and the buffer layer 12, and the shock-absorbing layer 11 includes at least one flexible material layer for absorbing shear thickening fluid.

Shear thickening fluids include, but are not limited to, polyborosiloxanes, SiO₂The shear thickening fluid is in a liquid state at normal temperature, has no specific form, can be instantly changed from a liquid state to a solid state under the action of external compaction, shear or impact suddenly, and automatically returns to the liquid state after external stress disappears, so the shear thickening fluid can be repeatedly used. Optionally, the layer of flexible material for adsorbing the shear thickening fluid is a layer of fibrous material. Optionally, the fiber material layer comprises at least one of kevlar fiber, glass fiber, carbon fiber, ultra-high molecular weight polyethylene fiber and aramid fiber, and has good effects of cutting resistance, shearing resistance and the like. Preferably, the fiber material layer adopts Kevlar fiber which is one of the reinforcing fibers and has the advantages of low density, high strength, good toughness, high temperature resistance and easy processing and forming. Based on shear thickening fluidic characteristic, with the fibrous material layer that adsorbs shear thickening fluidic as buffer layer 11, solved shear thickening fluidic mobility and be difficult for the big integrated problem, make buffer layer 11 have flexible characteristic simultaneously, in addition, through carrying out compound with shear thickening fluidic and fibrous material's shock attenuation performance, promoted buffer layer 11 damping effect.

Alternatively, when the shear thickening fluid is adsorbed in the fiber material layer, the fiber material layer may be cut into a specified size, for example, a square size of 9cm × 9cm, and then the fiber material layer is placed in a glass vessel containing the shear thickening fluid to be impregnated, and after the impregnation is completed, the fiber material layer is hung and dried. Optionally, the shear thickening fluid comprises 20% to 60% by weight of the total mass of buffer layer 12. Alternatively, the shock absorbing shell 11 may have a thickness of 2mm to 20mm, and may be laminated to a desired thickness by at least one layer of a flexible material that absorbs the shear thickening fluid.

Optionally, the buffer layer 12 is a foam material layer, the thickness of the buffer layer 12 is 2mm-5mm, the overall thickness of the shock absorption buffer structure is 6mm-30mm, the thicknesses of the buffer layer 12 and the shock absorption layer 11 can be selected according to application scenarios, and the optimum thickness can be determined through pressure detection, so that the safety is ensured while the comfort is considered. Optionally, the foaming material layer comprises at least one of polyurethane foaming material, polypropylene foam and EVA foam, and preferably, the foaming material layer is made of polyurethane foaming material and has the characteristics of porosity, low density and high strength. In this application, through using expanded material as buffer layer 12, can reduce the number of piles of flexible material layer among the buffer layer 11, alleviateed the heavy burden when realizing effective shock attenuation buffering.

Optionally, the flexible encapsulating layer 13 includes at least one of silicone encapsulating material, polyurethane, and polyurea, all of which have good flexibility. Preferably, the flexible encapsulating layer 13 is made of a silica gel encapsulating material, the hardness is 0-45 degrees, the silica gel encapsulating material has ultrahigh elasticity and ultrahigh ductility, the bi-component silica gel can be cured at normal temperature without a complex mold, and the encapsulating material is light in weight, soft, comfortable and easy to conform.

Optionally, a first thin film layer (not shown in fig. 1) is further disposed on a side of the shock absorbing layer 11 facing away from the buffer layer 12, and/or a second thin film layer (not shown in fig. 1) is further disposed between the buffer layer 12 and the shock absorbing layer 11, that is, the first thin film layer or the second thin film layer may be disposed on only one side of the shock absorbing layer 11, or the first thin film layer and the second thin film layer may be disposed on both sides of the shock absorbing layer 11, and the flexible packaging layer 13 is wrapped outside the overall structure of the first thin film layer, the shock absorbing layer 11, the second thin film layer, and the buffer layer 12. Alternatively, the first film layer and the second film layer may be polyester PET films, and polyimide PI films, for example, may also be used. Therefore, the first film layer and/or the second film layer are/is integrated in the shock absorption and buffer structure, the stress area can be increased, the stress transfer of the shear thickening fluid is optimized, and the pressure intensity is reduced.

Optionally, the outer side surface of the flexible packaging layer 13 corresponding to one side of the buffer layer 12 is provided with an attaching layer 14, and the attaching layer 14 may be a material that can be reversibly integrated with the surface of a protected object such as skin and clothes, such as an organic silicon adhesive or a magic tape, so that the original structure of the surface of the protected object and the clothes does not need to be changed, and flexibility is provided.

During the use, shock attenuation buffer structure is attached on the protected object surface through attached layer 14, make the buffer layer 11 that adopts the flexible material layer of absorption shear thickening fluid be located the outside of buffer layer 12, external stress arrives the flexible material layer of absorption shear thickening fluid earlier, shear thickening fluid becomes the solid, can show, effectively reduce the effect of external stress, the external stress that weakens is further under buffer layer 12 effect, alleviate the effect to the human body, be located the outside of buffer layer 11 for buffer layer 12, can promote the effect of shock attenuation buffer structure shock attenuation buffering, and improve and dress the travelling comfort.

The shock attenuation buffer structure of this embodiment, including buffer layer, buffer layer and flexible packaging layer, range upon range of setting between buffer layer and the buffer layer, flexible packaging layer cladding is in buffer layer and buffer layer overall structure's outside, and the buffer layer is the flexible material layer that adsorbs shear thickening fluid. This application uses the flexible material layer that adsorbs shear thickening fluid as the buffer layer to carry out compound package with the buffer layer, the flexible material layer that adsorbs shear thickening fluid can be changed into solid-state by liquid state in the twinkling of an eye after receiving rapid compression, shearing or assaulting, can compromise shock-absorbing function, compliance and travelling comfort, combines the cushioning effect of buffer layer, guarantees that external force is fully absorbed, promotes shock attenuation buffering effect, and preparation method is simple.

Second embodiment

Fig. 2 is a schematic structural view of a shock-absorbing and cushioning structure according to a second embodiment. As shown in fig. 2, the shock-absorbing and buffering structure of the present embodiment includes a first pressure sensing layer 21, a shock-absorbing layer 22, a buffer layer 23, a second pressure sensing layer 24 and a flexible packaging layer 25, the first pressure sensing layer 21, the shock-absorbing layer 22, the buffer layer 23 and the second pressure sensing layer 24 are stacked, the flexible packaging layer 25 is wrapped outside the overall structure of the first pressure sensing layer 21, the shock-absorbing layer 22, the buffer layer 23 and the second pressure sensing layer 24, and the shock-absorbing layer 22 includes at least one flexible material layer for absorbing shear thickening fluid.

Optionally, the first pressure sensing layer 21 and the second pressure sensing layer 24 are both flexible film pressure sensors, and include a flexible substrate layer and a pressure sensing array on the flexible substrate layer, and the structure and function of the flexible film pressure sensor are known by those skilled in the art and will not be described again. Compared with the first embodiment, the shock attenuation buffer structure of this embodiment has increased first pressure sensing layer 21 and second pressure sensing layer 24 in the both sides of buffer layer 22 and buffer layer 23, when realizing the shock attenuation buffering function, can directly detect the effect of shock attenuation buffering, can be used to aassessment the power of the danger factor in the external environment, have dangerous warning function, still can be used to compare first pressure sensing layer 21 with the detection data of second pressure sensing layer 24, aassessment shock attenuation buffering effect. In addition, the detection data of first pressure sensing layer 21 and second pressure sensing layer 24 can also be used for optimizing the thickness of buffer layer 22 and buffer layer 23, when guaranteeing shock attenuation buffering effect, seeks the holistic optimum thickness of shock attenuation buffer structure, improves the travelling comfort of wearing, makes the person of wearing obtain better wearing experience and protective effect.

Optionally, the first pressure sensing layer 21 and the second pressure sensing layer 24 are provided with wireless communication modules (not shown in fig. 2), and detection signals of the first pressure sensing layer 21 and the second pressure sensing layer 24 can be uploaded to the PC terminal 27 or the mobile terminal 28 via the wireless communication modules for display.

Optionally, the design and selection of the shock absorbing layer 22, the buffer layer 23, the flexible encapsulating layer 25 and the attaching layer 26 are the same as those of the first embodiment, and are not described herein again.

Optionally, a first thin film layer (not shown in fig. 2) is further disposed on a side of the shock absorbing layer 22 opposite to the buffer layer 23, and/or a second thin film layer (not shown in fig. 2) is further disposed between the buffer layer 23 and the shock absorbing layer 22, that is, the first thin film layer or the second thin film layer may be disposed on only one side of the shock absorbing layer 22, or the first thin film layer and the second thin film layer may be disposed on both sides of the shock absorbing layer 22, and the flexible packaging layer 25 is wrapped outside the overall structure of the first thin film layer, the shock absorbing layer 22, the second thin film layer, and the buffer layer 23. Alternatively, the first film layer and the second film layer may be polyester PET films, and polyimide PI films, for example, may also be used. Therefore, the first film layer and/or the second film layer are/is integrated in the shock absorption and buffer structure, the stress area can be increased, the stress transfer of the shear thickening fluid is optimized, and the pressure intensity is reduced. Optionally, the areas of the first thin film layer, the second thin film layer, the base layer of the first pressure sensing layer 21, the base layer of the second pressure sensing layer 24, and the buffer layer 23 are larger than the area of the flexible material layer in the shock absorption layer 22, and when the absorption amount of the shear thickening fluid is large, it is also possible to prevent the shear thickening fluid from partially flowing to the outside of the buffer layer 23 and the first pressure sensing layer 21, the second pressure sensing layer 24, which may cause inaccurate pressure sensing data.

In use, the shock absorbing and cushioning structure is attached to the surface of the protected object by the attachment layer 26, so that the shock absorbing layer 22, which is a flexible material layer absorbing the shear thickening fluid, is located outside the cushioning layer 23. When the mobile terminal is subjected to external injuries such as compression, shearing and impact, external stress firstly reaches the first pressure sensing layer 21 through the outermost flexible packaging layer 25, a detection signal of the first pressure sensing layer 21 is uploaded to the PC end 27 or the mobile terminal 28 through the wireless communication module, and the intensity of a risk factor in an external environment can be evaluated. When the external stress further reaches the shock absorption layer 22, the shear thickening fluid in the shock absorption layer 22 is changed into a solid state from a viscous liquid state under the influence of factors such as external shearing, pressing and impacting, and the effect of remarkably and effectively reducing the external stress is achieved, so that the strength of the external stress such as the pressing, the shearing and the impacting is gradually attenuated under the common energy absorption and damping effects of the fiber shock absorption material for absorbing the shear thickening fluid, the first thin film layer, the second thin film layer and the buffer layer 23, the external stress after the attenuation reaches the second pressure sensing layer 24 of the inner layer, the effect on a human body is reduced, and the wearing comfort is good. Similarly, the detection data of the second pressure sensing layer 24 is uploaded to the PC terminal 27 or the mobile terminal 28 via the wireless communication module. Finally, the detection data of the first pressure sensing layer 21 and the detection data of the second pressure sensing layer 24 can be compared to judge the damping and buffering effect.

The shock attenuation buffer structure of this embodiment has increased first pressure sensing layer and second pressure sensing layer in the both sides of buffer layer and buffer layer, when realizing shock attenuation buffering function, can directly detect the effect of shock attenuation buffering, can be used to aassessment the power of the danger factor in the external environment to can compare the detection data on first pressure sensing layer and second pressure sensing layer, aassessment shock attenuation buffering effect.

Third embodiment

Fig. 3 is a schematic flow chart illustrating a method of manufacturing a shock-absorbing buffer structure according to a third embodiment. As shown in fig. 3, the method for manufacturing a shock absorbing and cushioning structure of the present application includes the following steps:

Optionally, the design and selection of the shock absorbing layer and the cushioning layer are the same as those of the first embodiment, and are not described herein again. During packaging, the preformed part of the flexible packaging layer, the shock absorption layer and the buffer layer are sequentially stacked in a mould, then the precursor material of the flexible packaging layer is continuously poured in the mould, and the precursor material and the preformed part are cured to form the flexible packaging layer for coating the shock absorption layer and the buffer layer. Optionally, the preformed portion of the flexible packaging layer is obtained by casting a layer of precursor material of the flexible packaging layer at the bottom of the mold in advance for curing molding, or may be obtained by casting molding through other molds. Optionally, the preformed part of the flexible packaging layer can be sheet-shaped or groove-shaped, and when the preformed part is in a groove-shaped structure, the shock-absorbing layer and the buffer layer are sequentially placed into the groove of the preformed part, and the pouring packaging is continued.

Optionally, in another embodiment, the step of S1 further includes providing a first pressure sensing layer and a second pressure sensing layer, and the step of S2 includes:

s21, sequentially stacking a preformed part of the flexible packaging layer, a first pressure sensing layer, a damping layer, a buffer layer and a second pressure sensing layer in a mold;

s22, pouring the precursor material of the flexible packaging layer in the mould, and solidifying the precursor material and the preformed part to form the flexible packaging layer for coating the first pressure sensing layer, the damping layer, the buffer layer and the second pressure sensing layer.

Optionally, the design and selection of the shock absorbing layer, the buffer layer, the first pressure sensing layer, and the second pressure sensing layer are the same as those of the first embodiment, and are not described herein again. During packaging, the pre-forming part of the flexible packaging layer, the first pressure sensing layer, the shock absorption layer, the buffer layer and the second pressure sensing layer are sequentially stacked in a mold, then the precursor material of the flexible packaging layer is continuously poured in the mold, and the precursor material and the pre-forming part are cured to form the flexible packaging layer wrapping the first pressure sensing layer, the shock absorption layer, the buffer layer and the second pressure sensing layer. Alternatively, the preformed part of the flexible packaging layer can also be obtained by pouring a layer of precursor material of the flexible packaging layer on the bottom of the mold in advance for curing molding, or can be obtained by pouring molding through other molds. Optionally, the preformed part of the flexible packaging layer can also be sheet-shaped or groove-shaped, and when the preformed part is in a groove-shaped structure, the shock-absorbing layer and the buffer layer are sequentially placed into the groove of the preformed part, and the packaging is continued to be poured. When setting up first pressure sensing layer, second pressure sensing layer, first pressure sensing layer, second pressure sensing layer are equipped with wireless communication module, and wireless communication module stacks the encapsulation with first pressure sensing layer, second pressure sensing layer together.

Optionally, in another embodiment, the step of S1 may further include providing a first film layer and a second film layer, and the step of S2 includes: sequentially stacking the preformed part of the flexible packaging layer, the first pressure sensing layer, the first film layer, the damping layer, the second film layer, the buffer layer and the second pressure sensing layer in a mould; and pouring the precursor material of the flexible packaging layer in a mould, and solidifying the precursor material and the preformed part to form the flexible packaging layer for coating the first pressure sensing layer, the first thin film layer, the shock absorption layer, the second thin film layer, the buffer layer and the second pressure sensing layer. The packaging process is the same as the above process except that the stacking materials are different, and in actual implementation, only one of the first film layer and the second film layer can be selected for use, so that the packaging process is not changed, and is not repeated herein.

Optionally, the flexible encapsulating layer comprises at least one of a silicone encapsulating material, polyurethane, and polyurea, all of which have good flexibility. Preferably, the flexible packaging layer is made of a silica gel packaging material, the hardness is 0-45 degrees, the flexible packaging layer has ultrahigh elasticity and ultrahigh ductility, the bi-component silica gel can be cured at normal temperature without a complex mold, and the packaging is light in weight, soft, comfortable and easy to conform.

Optionally, after the packaging is completed in step S2, an attachment layer is formed on the outer side surface of the flexible packaging layer corresponding to one side of the buffer layer, and the attachment layer may be made of a material that can be reversibly integrated with the surface of the protected object such as skin and clothes, such as an organic silicon adhesive or a magic tape, so that the original structure of the surface of the protected object and the clothes does not need to be changed, and flexibility is provided.

The preparation method of the shock absorption and buffering structure comprises the following steps: providing a shock absorbing layer and a buffer layer, wherein the shock absorbing layer comprises at least one flexible material layer absorbing shear thickening fluid; the shock absorption layer and the buffer layer are laminated, and the flexible packaging layer is coated outside, so that the preparation process is simple, and the cost is low.

The above embodiments are merely illustrative of the principles and utilities of the present application and are not intended to limit the application. Any person skilled in the art can modify or change the above-described embodiments without departing from the spirit and scope of the present application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of the present application.

Claims

1. The damping and buffering structure is characterized by comprising a damping layer, a buffering layer and a flexible packaging layer, wherein the damping layer is stacked with the buffering layer, the flexible packaging layer is coated outside the damping layer and the buffering layer in an integral structure, and the damping layer comprises at least one flexible material layer for adsorbing shear thickening fluid.

2. The shock absorbing cushioning structure of claim 1, wherein said layer of flexible material in said shock absorbing layer is a layer of fibrous material, and said shear thickening fluid comprises between 20% and 60% by mass of the total mass of said shock absorbing layer.

3. The shock-absorbing and buffering structure of claim 1, wherein a first pressure sensing layer is disposed on a side of the shock-absorbing layer facing away from the shock-absorbing layer, a second pressure sensing layer is disposed on a side of the shock-absorbing layer facing away from the shock-absorbing layer, and the flexible packaging layer is wrapped outside the overall structure of the first pressure sensing layer, the shock-absorbing layer and the second pressure sensing layer.

4. The shock absorbing and cushioning structure of claim 3, wherein a first membrane layer is further disposed between said first pressure sensing layer and said shock absorbing layer, and/or a second membrane layer is further disposed between said cushioning layer and said shock absorbing layer.

5. The shock absorbing and cushioning structure of claim 4, wherein the areas of said first membrane layer, said second membrane layer, said base layer of said first pressure sensing layer, said base layer of said second pressure sensing layer, and said cushioning layer are greater than the area of said layer of compliant material in said shock absorbing layer.

6. The shock absorbing and cushioning structure of claim 3, wherein said first pressure sensing layer and said second pressure sensing layer are provided with wireless communication modules.

7. The shock absorbing and cushioning structure of claim 1, wherein said cushioning layer is a foam layer, said cushioning layer has a thickness of 2mm to 5mm, and said shock absorbing layer has a thickness of 2mm to 20 mm.

8. The shock absorbing and buffering structure as claimed in any one of claims 1 to 7, wherein an adhesive layer is disposed on an outer surface of the flexible packaging layer corresponding to one side of the buffer layer.

9. The preparation method of the shock absorption and buffer structure is characterized by comprising the following steps of:

10. The method for preparing a shock-absorbing cushion structure according to claim 9, wherein the step S1 further includes providing a first pressure sensing layer and a second pressure sensing layer, and the step S2 includes: