WO2019179073A1 - 一种免充气双边气囊及其制备方法 - Google Patents

一种免充气双边气囊及其制备方法 Download PDF

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Publication number
WO2019179073A1
WO2019179073A1 PCT/CN2018/108186 CN2018108186W WO2019179073A1 WO 2019179073 A1 WO2019179073 A1 WO 2019179073A1 CN 2018108186 W CN2018108186 W CN 2018108186W WO 2019179073 A1 WO2019179073 A1 WO 2019179073A1
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Prior art keywords
airbag
layer
air bag
sided
elastic material
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PCT/CN2018/108186
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English (en)
French (fr)
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刘永忠
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东莞市中鼎塑料制品有限公司
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Publication of WO2019179073A1 publication Critical patent/WO2019179073A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/03—Wrappers or envelopes with shock-absorbing properties, e.g. bubble films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/91—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux
    • B29C66/919—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges
    • B29C66/9192—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams
    • B29C66/91951—Measuring or controlling the joining process by measuring or controlling the temperature, the heat or the thermal flux characterised by specific temperature, heat or thermal flux values or ranges in explicit relation to another variable, e.g. temperature diagrams in explicit relation to time, e.g. temperature-time diagrams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/90—Measuring or controlling the joining process
    • B29C66/92—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools
    • B29C66/929—Measuring or controlling the joining process by measuring or controlling the pressure, the force, the mechanical power or the displacement of the joining tools characterized by specific pressure, force, mechanical power or displacement values or ranges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/02—Inflatable articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D81/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D81/051—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric
    • B65D81/052—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents using pillow-like elements filled with cushioning material, e.g. elastic foam, fabric filled with fluid, e.g. inflatable elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/712—Containers; Packaging elements or accessories, Packages
    • B29L2031/7138—Shock absorbing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2581/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D2581/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B65D2581/05—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage maintaining contents at spaced relation from package walls, or from other contents
    • B65D2581/051—Details of packaging elements for maintaining contents at spaced relation from package walls, or from other contents
    • B65D2581/052—Materials
    • B65D2581/055—Plastic in general, e.g. foamed plastic, molded plastic, extruded plastic

Definitions

  • the invention belongs to the technical field of airbags, and in particular relates to an airless bilateral airbag and a preparation method thereof.
  • Patent 201410358056.4 provides a packaging air cushion which is provided with a lateral airbag and a longitudinal airbag to improve the pressure resistance to a certain extent, but a ventilation duct is provided between adjacent airbags, and once an airbag is punctured, other airbags are affected. The flexibility, so security is still not guaranteed.
  • an object of the present invention is to provide an inflatable double-sided airbag which has good impact resistance and good protection effect on the body or product; another object of the present invention is to provide a
  • the preparation method of the non-inflatable double airbag has the advantages of simple process, easy operation, high production efficiency and low production cost, and the prepared product has good consistency.
  • an air-free bilateral airbag comprising a plurality of upper airbags arranged in an array and connected to each other as a planar body, a plurality of lower airbags arranged in an array and connected to each other as a planar body, and disposed on the upper layer a layer of elastic material between the airbag and the lower layer airbag, the upper surface of the layer of elastic material being connected to the upper layer airbag, the lower surface of the layer of elastic material being connected to the lower layer airbag, adjacent to and between adjacent upper airbags A soft edge connection is provided between the lower airbags.
  • the invention provides a layer of elastic material between the upper airbag and the lower airbag.
  • the elastic material layer acts as a buffering energy absorbing material, which can effectively reduce the deformation degree of the upper air bag and the lower air bag, thereby effectively reducing the impact force of the body or the product.
  • the upper layer airbag and the lower layer airbag are symmetrically disposed with respect to the elastic material layer.
  • the invention is arranged symmetrically by the upper airbag and the lower airbag, so that the upper airbag and the lower airbag are more closely attached and the reliability is better.
  • the upper air bag and the lower air bag are disposed offset along the elastic material layer.
  • the present invention By dislocating the upper airbag and the lower airbag, the present invention provides a large protection area for the body or product, and is fully protected.
  • the upper surface of the upper airbag and the lower surface of the lower airbag are curved.
  • the invention designs the cross-section of the upper airbag and the lower airbag to be half-curved, so that the edge of the air-free bilateral airbag is more rounded, feels more comfortable when in contact with the body, and the product can be better protected by contact with the product.
  • the elastic material layer is one of a TPU layer, a TPE layer or a PVC layer.
  • the elastic material layer in the invention is one of a TPU layer, a TPE layer or a PVC layer, and has strong elasticity, easy material availability and low cost.
  • the elastic material layer has a thickness of 0.3 to 1.0 mm.
  • the thickness of the elastic material layer in the present invention is 0.3-1.0 mm, which can well serve the buffering function and further ensure a good connection with the upper layer airbag and the lower layer airbag.
  • width ratio of the soft edge connecting portion to the upper layer airbag is 1:1-5
  • width ratio of the soft edge connecting portion to the lower layer airbag is 1:1-5
  • the invention designs the width ratio of the soft edge connecting portion to the width ratio of the upper layer airbag and the lower layer airbag to be 1:1-5, so that the upper airbag and the lower airbag are more closely connected with the elastic material layer, and the protection effect is better, and the reliability of use is more. it is good.
  • the preparation method of the inflatable double-sided airbag comprises the following steps: (1) unilateral shaping, taking the thermoplastic flat material, heating to 120-180 ° C, pressing on the thermoplastic flat material with a pressure of 5 kg/cm 2 -10 kg/cm 2 Grooves spaced apart from each other, cooled to room temperature to obtain a single-sided airbag material; (2) Sealed and formed, two unidirectionally defined airbag materials are placed, and an elastic material layer is placed between the two airbag materials to be elastic After the material layer is heated to 120-180 ° C, the three are pressed together with a pressure of 10 kg / cm 2 - 20 kg / cm 2 , and naturally cooled to room temperature to form.
  • the preparation method disclosed by the invention has the advantages of simple process, easy operation and high production efficiency, and the prepared inflatable double-sided airbag has a compact structure and a long service life.
  • the heating rate in the step (1) heated to 120-180 ° C is 5-15 ° C / min.
  • the heating rate of the present invention is 5-15 ° C / min, so that the overall thermoplastic planar material is uniformly heated, so that the stretching is uniform when pressed, so that the uniformity of the prepared single-sided airbag is better.
  • the cooling rate in the step (1) is 35-50 ° C / min.
  • the cooling rate in the step (1) in the present invention is 35-50 ° C / min, so that the single-sided air bag can be better shaped.
  • the heating rate in the step (2) heated to 120-180 ° C is 20-35 ° C / min.
  • the heating rate in the step (2) in the present invention is 20 to 35 ° C / min, so that the pressing rate is fast and the production efficiency is high.
  • the invention has the beneficial effects that the invention provides a layer of elastic material between the upper airbag and the lower airbag, and when used, on the one hand, when the upper airbag or the lower airbag is punctured, the body or the product can still be protected;
  • the elastic material layer functions as a buffering energy absorption, and can effectively reduce the deformation degree of the upper airbag and the lower airbag, thereby effectively reducing the body or
  • the product is subjected to impact force;
  • the preparation method disclosed by the invention has the advantages of simple process, easy operation and high production efficiency, and the prepared inflatable double-sided air bag has a compact structure and long service life.
  • Figure 1 is a schematic cross-sectional view of the present invention
  • Figure 2 is a schematic cross-sectional view showing another structure of the present invention.
  • An inflatable double-sided airbag comprising a plurality of upper airbags arranged in an array and connected to each other as a planar body, a plurality of lower airbags 2 arranged in an array and connected to each other as a planar body, and connected between the upper airbag 1 and the lower airbag 2
  • the elastic material layer 3, between the adjacent upper airbags 1 and the adjacent lower airbags 2 are provided with a soft edge connecting portion 4, and the upper airbag 1, the next airbag and the elastic material layer 3 are the whole frame.
  • the upper air bag 1 and the lower air bag 2 are symmetrically disposed.
  • the elastic material layer 3 is a TPU layer, and the TPU layer has a thickness of 0.3 mm.
  • the width of the soft-edge connecting portion 4 is equal to the width ratio of the upper airbag 1 and the lower airbag 2 of 1:5.
  • the upper surface of the upper airbag 1 and the lower surface of the lower airbag 2 are curved.
  • the method for preparing the air-free double-sided airbag comprises the following steps: (1) unilateral shaping, taking a thermoplastic flat material, heating to 120 ° C, and pressing the grooves spaced apart from each other on the thermoplastic flat material by using a pressure of 10 kg/cm 2 After cooling to room temperature, the airbag material is obtained; (2) sealing forming, taking two fixed-type single-sided airbag materials, placing an elastic material layer 3 between two single-sided airbag materials, and heating the elastic material layer 3 to After 180 ° C, the three were pressed together with a pressure of 10 kg/cm 2 and naturally cooled to room temperature.
  • the thermoplastic planar material is a planar material composed of a thermoplastic.
  • the heating rate in the step (1) heated to 120 ° C is 5 ° C / min.
  • the cooling rate in the step (1) is 35 ° C / min.
  • the heating rate in the step (2) heated to 180 ° C is 35 ° C / min.
  • Embodiment 2 The difference between Embodiment 2 and Embodiment 1 is that the upper airbag 1 and the lower airbag 2 are disposed in a dislocated manner.
  • Embodiment 3 The difference between Embodiment 3 and Embodiment 1 is that the elastic material layer 3 is a TPU layer, and the TPU layer has a thickness of 0.5 mm.
  • Embodiment 4 The difference between Embodiment 4 and Embodiment 1 is that the elastic material layer 3 is a TPU layer, and the TPU layer has a thickness of 1.0 mm.
  • the difference between the fifth embodiment and the first embodiment is that the width of the soft-edge connecting portion 4 and the width ratio of the upper airbag 1 and the lower airbag 2 are 1:1.
  • the difference between the embodiment 6 and the first embodiment is that the width of the soft-edge connecting portion 4 is equal to the width ratio of the upper airbag 1 and the lower airbag 2 of 1:3.
  • the method for preparing the air-free double-sided airbag comprises the following steps: (1) unilateral shaping, taking a thermoplastic flat material, heating to 180 ° C, using a pressure of 15 kg/cm 2 in heat The plastic flat material is pressed out of the groove, and is cooled to room temperature to obtain a single-sided airbag material; (2) sealing forming, taking two unilaterally defined airbag materials, and placing one elastic material layer 3 on two airbags Between the materials, after heating to 180 ° C, the three were pressed together with a pressure of 15 kg / cm 2 and naturally cooled to room temperature to form.
  • the heating rate in the step (1) heated to 180 ° C is 8 ° C / min.
  • the cooling rate in the step (1) is 35 ° C / min.
  • the heating rate in the step (2) heated to 180 ° C is 30 ° C / min.
  • the method for preparing the air-free double-sided airbag comprises the following steps: (1) unilateral shaping: taking a thermoplastic flat material, heating to 150 ° C, using a pressure of 10 kg/cm 2 in heat The grooved grooves are pressed out on the plastic flat material, and the single-sided airbag material is obtained after cooling to room temperature; (2) Sealing molding: taking two unidirectionally defined airbag materials, and placing one elastic material layer 3 on the two airbags Between the materials, after heating to 180 ° C, the three were pressed together with a pressure of 10 kg / cm 2 and naturally cooled to room temperature to form.
  • the heating rate of heating to 180 ° C in the step (1) was 15 ° C / min.
  • the cooling rate in the step (1) is 35 ° C / min.
  • the heating rate in the step (2) heated to 180 ° C is 35 ° C / min.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Air Bags (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

一种免充气双边气囊及其制备方法，免充气双边气囊包括多个阵列排列且相互连接为平面体的上层气囊（1）、多个阵列排列且相互连接为平面体的下层气囊（2）及设置于上层气囊（1）和下层气囊（2）之间的弹性材料层（3），弹性材料层（3）的上表面与上层气囊（1）连接，弹性材料层（3）的下表面与下层气囊（2）连接，相邻的上层气囊（1）之间及相邻的下层气囊（2）之间均设有软边连接部（4）。

Description

一种免充气双边气囊及其制备方法 技术领域
本发明属于气囊技术领域，具体涉及一种免充气双边气囊及其制备方法。
背景技术
现有技术中，产品贮存运输及运动护具均需要气垫填充，然而目前的气囊为多个囊阵列连接成一个平面，气囊耐冲击力差，一旦气囊破裂，产品易受到损失及人身易受到伤害，专利201410358056.4提供了一种包装气垫，该气垫设置了横向气囊和纵向气囊，一定程度提高了抗压性，但在相邻气囊之间设有通气管道，一旦一个气囊刺破，会影响其它气囊的弹性，因此安全性还是不能得到保证。
发明内容
为了克服现有技术中存在的缺点和不足，本发明的目的在于提供一种免充气双边气囊，该气囊耐冲击力好，对身体或产品的保护效果好；本发明的另一目的在于提供一种免充气双边气囊的制备方法，该方法工艺简单、容易操作、生产效率高且生产成本低，制备的产品一致性好。
本发明的目的通过下述技术方案实现：一种免充气双边气囊，包括多个阵列排列且相互连接为平面体的上层气囊、多个阵列排列且相互连接为平面体的下层气囊及设置于上层气囊和下层气囊之间的弹性材料层，所述弹性材料层的上表面与上层气囊连接，所述弹性材料层的下表面与下层气囊连接，相邻所述上层气囊之间及相邻所述下层气囊之间均设有软边连接部。
本发明通过在上层气囊和下层气囊之间设置弹性材料层，使用时，一方面当上层气囊或下层气囊被刺破后，仍能对身体或产品起到保护作用；另一方面，通过加入弹性材料层，使得上层气囊或下层气囊受到外界压力时，弹性材料层起到缓冲吸能的作用，能有效减少上层气囊和下层气囊的形变程度，从而有效减小身体或产品受到冲击力。
进一步的，所述上层气囊和下层气囊关于弹性材料层对称设置。
本发明通过将上层气囊和下层气囊对称设置，使得上层气囊和下层气囊贴合更紧密，可靠性更好。
进一步的，所述上层气囊和下层气囊沿弹性材料层错位设置。
本发明通过将上层气囊和下层气囊错位设置，使身体或产品受保护面积大，得到全方 位的保护。
进一步的，所述上层气囊的上表面以及下层气囊的下表面均呈弧形。
本发明通过将上层气囊和下层气囊的横截面均设计为半个弧形，使得免充气双边气囊的边缘更圆润，与身体接触时感觉更舒适，与产品接触也能更好的保护产品。
进一步的，所述弹性材料层为TPU层、TPE层或PVC层中的一种。
本发明中的弹性材料层为TPU层、TPE层或PVC层中的一种，弹力强、材料易得且成本低。
进一步的，所述弹性材料层的厚度为0.3-1.0mm。
本发明中的弹性材料层的厚度为0.3-1.0mm，既能很好的起到缓冲作用，又能进一步保证与上层气囊及下层气囊很好的连接作用。
进一步的，所述软边连接部的宽度与上层气囊的宽度比为1：1-5，所述软边连接部的宽度与下层气囊的宽度比为1：1-5。
本发明通过将软边连接部的宽度与上层气囊以及下层气囊的宽度比设计为1：1-5，使得上层气囊和下层气囊与弹性材料层连接更紧密且保护效果更好，使用可靠性更好。
免充气双边气囊的制备方法，包括如下步骤：(1)单边定型，取热塑平面材料、加热到120-180℃后，采用5kg/cm2-10kg/cm2的压力在热塑平面材料上压出相互间隔的凹槽，冷却至室温后得到单边气囊材料；(2)封口成型，取两条单边定好型的气囊材料，将一条弹性材料层置于两条气囊材料之间，将弹性材料层加热到120-180℃后，采用10kg/cm2-20kg/cm2的压力将三者压合在一起，自然冷却至室温成型。
本发明公布的制备方法，工艺简单、易操作、生产效率高，制备的免充气双边气囊结构紧密，使用寿命长。
其中，步骤(1)中加热到120-180℃的加热速率为5-15℃/min。
本发明的加热速率为5-15℃/min，使得整体热塑平面材料受热均匀，从而在受压时拉伸均匀，使得所制备的单边气囊均匀性更好。
其中，步骤(1)中冷却速率为35-50℃/min。
本发明中步骤(1)中的冷却速率为35-50℃/min，使得单边气囊能更好的定型。
其中，步骤(2)中加热到120-180℃的加热速率为20-35℃/min。
本发明中步骤(2)中的加热速率为20-35℃/min，使得压合速率快，生产效率高。
本发明的有益效果在于：本发明通过在上层气囊和下层气囊之间设置弹性材料层，使 用时，一方面当上层气囊或下层气囊被刺破后，仍能对身体或产品起到保护作用；另一方面，通过加入弹性材料层，使得上层气囊或下层气囊受到外界压力时，弹性材料层起到缓冲吸能的作用，能有效减少上层气囊和下层气囊的形变程度，从而有效减小身体或产品受到冲击力；本发明公布的制备方法，工艺简单、易操作、生产效率高，制备的免充气双边气囊结构紧密，使用寿命长。
附图说明
图1是本发明的横截面结构示意图；
图2是本发明的另一结构的横截面结构示意图。
附图标记为：
1-上层气囊；2-下层气囊；3-弹性材料层；
4-软边连接部。
具体实施方式
为了便于本领域技术人员的理解，下面结合实施例对本发明作进一步的说明，实施方式提及的内容并非对本发明的限定。
实施例1
一种免充气双边气囊，包括多个阵列排列且相互连接为平面体的上层气囊1、多个阵列排列且相互连接为平面体的下层气囊2及连接于上层气囊1和下层气囊2之间的弹性材料层3，相邻的所述上层气囊1之间及相邻的所述下层气囊2之间均设有软边连接部4，所述上层气囊1、下次气囊及弹性材料层3为整体结构。
进一步的，所述上层气囊1和下层气囊2对称设置。
进一步的，所述弹性材料层3为TPU层，所述TPU层的厚度为0.3mm。
进一步的，所述软边连接部4的宽度与上层气囊1以及下层气囊2的宽度比为1：5。
进一步的，所述上层气囊1的上表面以及下层气囊2的下表面均呈弧形。
免充气双边气囊的制备方法，包括如下步骤：(1)单边定型，取热塑平面材料、加热到120℃后，采用10kg/cm2的压力在热塑平面材料上压出相互间隔的凹槽，冷却至室温后得到气囊材料；(2)封口成型，取两条定好型的单边气囊材料，将一条弹性材料层3置于两条单边气囊材料之间，将弹性材料层3加热到180℃后，采用10kg/cm2的压力将三者压合在一起，自然冷却至室温成型。进一步的，所述热塑平面材料为由热塑性塑料构成的平面式材料。
其中，步骤(1)中加热到120℃的加热速率为5℃/min。
其中，步骤(1)中冷却速率为35℃/min。
其中，步骤(2)中加热到180℃的加热速率为35℃/min。
实施例2
实施例2与实施例1的区别在于，所述上层气囊1和下层气囊2错位设置。
实施例3
实施例3与实施例1的区别在于，所述弹性材料层3为TPU层，所述TPU层的厚度为0.5mm。
实施例4
实施例4与实施例1的区别在于，所述弹性材料层3为TPU层，所述TPU层的厚度为1.0mm。
实施例5
实施例5与实施例1的区别在于，所述软边连接部4的宽度与上层气囊1以及下层气囊2的宽度比为1：1。
实施例6
实施例6与实施例1的区别在于，所述软边连接部4的宽度与上层气囊1以及下层气囊2的宽度比为1：3。
实施例7
实施例7与实施例1的区别在于，免充气双边气囊的制备方法，包括如下步骤：(1)单边定型，取热塑平面材料、加热到180℃后，采用15kg/cm2的压力在热塑平面材料上压出相互间隔的凹槽，冷却至室温后得到单边气囊材料；(2)封口成型，取两条单边定好型的气囊材料，将一条弹性材料层3置于两条气囊材料之间，将其加热到180℃后，采用15kg/cm2的压力将三者压合在一起，自然冷却至室温成型。
其中，步骤(1)中加热到180℃的加热速率为8℃/min。
其中，步骤(1)中冷却速率为35℃/min。
其中，步骤(2)中加热到180℃的加热速率为30℃/min。
实施例8
实施例8与实施例1的区别在于，免充气双边气囊的制备方法，包括如下步骤：(1)单边定型：取热塑平面材料、加热到150℃后，采用10kg/cm2的压力在热塑平面材料上压 出相互间隔的凹槽，冷却至室温后得到单边气囊材料；(2)封口成型：取两条单边定好型的气囊材料，将一条弹性材料层3置于两条气囊材料之间，将其加热到180℃后，采用10kg/cm2的压力将三者压合在一起，自然冷却至室温成型。
其中，步骤(1)中加热到180℃的加热速率为15℃/min。
其中，步骤(1)中冷却速率为35℃/min。
其中，步骤(2)中加热到180℃的加热速率为35℃/min。
上述实施例为本发明较佳的实现方案，除此之外，本发明还可以其它方式实现，在不脱离本发明构思的前提下任何显而易见的替换均在本发明的保护范围之内。

Claims (10)

  1. 一种免充气双边气囊，其特征在于，包括多个阵列排列且相互连接为平面体的上层气囊、多个阵列排列且相互连接为平面体的下层气囊及设置于上层气囊和下层气囊之间的弹性材料层，所述弹性材料层的上表面与上层气囊连接，所述弹性材料层的下表面与下层气囊连接，相邻的所述上层气囊之间及相邻的所述下层气囊之间均设有软边连接部。
  2. 根据权利要求1所述的免充气双边气囊，其特征在于，所述上层气囊和下层气囊关于弹性材料层对称设置。
  3. 根据权利要求1所述的免充气双边气囊，其特征在于，所述上层气囊和下层气囊错位设置。
  4. 根据权利要求1所述的免充气双边气囊，其特征在于，所述弹性材料层为TPU层、TPE层或PVC层中的一种。
  5. 根据权利要求4所述的免充气双边气囊，其特征在于，所述弹性材料层的厚度为0.3-1.0mm。
  6. 根据权利要求1所述的免充气双边气囊，其特征在于，所述软边连接部的宽度与上层气囊的宽度比为1：1-5；所述软边连接部的宽度与下层气囊的宽度比为1：1-5。
  7. 根据权利要求1-5所述的免充气双边气囊的制备方法，其特征在于，包括如下步骤：(1)单边定型：取热塑平面材料、加热到120-180℃后，采用5kg/cm 2-10kg/cm 2的压力在热塑平面材料上压出相互间隔的凹槽，冷却至室温后得到单边气囊材料；(2)封口成型：取两条定好型的单边气囊材料，将一条弹性材料层置于两条单边气囊材料之间，将弹性材料层加热到120-180℃后，采用10kg/cm 2-20kg/cm 2的压力将三者压合在一起，自然冷却至室温成型。
  8. 根据权利要求6所述的免充气双边气囊的制备方法，其特征在于，步骤(1)中加热到120-180℃的加热速率为5-15℃/min。
  9. 根据权利要求6所述的免充气双边气囊的制备方法，其特征在于，步骤(1)中冷却速率为35-50℃/min。
  10. 根据权利要求6所述的免充气双边气囊的制备方法，其特征在于，步骤(2)中加热到120-180℃的加热速率为20-35℃/min。
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