CN108297763A - 装置在机动车辆座椅元件中的集成 - Google Patents

装置在机动车辆座椅元件中的集成 Download PDF

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CN108297763A
CN108297763A CN201710807744.8A CN201710807744A CN108297763A CN 108297763 A CN108297763 A CN 108297763A CN 201710807744 A CN201710807744 A CN 201710807744A CN 108297763 A CN108297763 A CN 108297763A
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CN108297763B (zh
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珍-玛利亚·莫弗雷
昆廷·帕兰
马蒂厄·博凯
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Faurecia Sieges dAutomobile SAS
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    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/24—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles
    • B60N2/26—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles for particular purposes or particular vehicles for children
    • B60N2/28—Seats readily mountable on, and dismountable from, existing seats or other parts of the vehicle
    • B60N2/2881—Upholstery, padded or cushioned members therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C44/1266—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being completely encapsulated, e.g. for packaging purposes or as reinforcement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1219—Foaming between a movable mould part and the preformed part
    • 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
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    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1261—Avoiding impregnation of a preformed part
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
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    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
    • B60N2/003—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/70—Upholstery springs ; Upholstery
    • B60N2/7017—Upholstery springs ; Upholstery characterised by the manufacturing process; manufacturing upholstery or upholstery springs not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
    • 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
    • B29L2031/58—Upholstery or cushions, e.g. vehicle upholstery or interior padding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B32B5/20—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material foamed in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/643—Back-rests or cushions shape of the back-rests
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/90—Details or parts not otherwise provided for
    • B60N2/986—Side-rests
    • B60N2/99—Side-rests adjustable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
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Abstract

一种将装置集成在泡沫座椅元件的椅套中的方法，该方法包括以下步骤：将装置放置在塑料袋中或用塑料膜围绕装置；将组件放置在注射模具中；以及注射泡沫以一体件形成座椅元件。

Description

装置在机动车辆座椅元件中的集成
本申请要求法国专利申请号16/58441的优先权益，该法国专利申请的内容在此以其整体通过引用在法律允许的最大范围内并入本文。
技术领域
本公开总体上涉及机动车辆座椅，更具体地，涉及装置在由泡沫制成的座椅元件的椅套中的集成。
背景技术
越来越多地希望将各种装置或配件集成在座椅元件中。例如，头枕集成用于调节头枕高度的机构，座椅底部件或靠背集成存在传感器、温度传感器等传感器。
这样的集成可能是一个问题，特别是当座椅元件通过将泡沫注射到模具中而形成时。事实上，该装置在泡沫注射之前不能放置在模具中，因为在注射过程中，泡沫可能会达到装置的一些部分并且阻碍其后续操作。
需要将装置集成在泡沫座椅元件中，而不会冒损坏装置的风险。
发明内容
一个实施例旨在提供一种将装置集成在座椅元件中的方法，该方法克服了常用方法的全部或部分缺点。
一个实施例提供了一种特别适合于将头枕机构集成到泡沫头枕中的解决方案。
一个实施例提供了一种特别适用于座椅底部件或靠背中的存在传感器的实施例。
因此，一个实施例提供了一种将装置集成到泡沫座椅元件的椅套(upholstery)中的方法，包括以下步骤：将装置放置在塑料袋中或用塑料膜围绕装置；将组件放置在注射模具中；以及注射泡沫以一体件形成座椅元件。
根据一个实施例，泡沫涂覆袋或塑料膜。
根据一个实施例，袋或膜由选自聚氨酯、线性低密度聚乙烯和低密度聚乙烯的材料制成。
根据一个实施例，袋或膜由聚乙烯和淀粉的混合物制成。
根据一个实施例，该装置连接到座椅元件的外部。
根据一个实施例，在注射之前将盖放置在模具的底部处。
根据一个实施例，该装置在被放置在袋或膜中之前至少部分地涂覆有泡沫层。
另一个实施例提供了一种座椅元件椅套，将装置集成以一体件形成的泡沫中。
根据一个实施例，通过实施上述方法获得椅套。
另一个实施例提供了一种用于机动车辆的座椅元件，包括前述的椅套。
根据一个实施例，机动车辆座椅包括至少一个先前描述的座椅元件。
将在以下结合附图对专用实施例的非限制性描述中详细讨论前述以及其它特征和优点。
附图说明
图1是待集成在机动车辆座椅元件中的装置的简化图示；
图2是在将图1的装置集成在座椅元件中之前的步骤的简化图示；
图3是用于形成座椅元件的泡沫注射模具的简化透视截面图；
图4是完成之后的座椅元件的简化图示；
图5是应用于头枕机构的集成的示例的简化透视截面图；以及
图6是存在传感器集成在座椅底部件中的示例的横截面视图。
具体实施方式
为了清楚起见，仅显示并将详细描述对于将要描述的实施例的理解有用的那些步骤和元件。特别地，其它座椅元件、特别是框架和盖子的形成未详细说明，所描述的实施例与这些元件的通常实施例兼容。
应当注意，在附图中，不同实施例所共同的结构和/或功能元件可以用相同的附图标记表示，并且可以具有相同的结构、尺寸和材料特性。
在下面的描述中，当提及诸如术语“前”、“后”、“顶”、“底”、“左”、“右”等描述绝对位置的术语，或诸如术语“上方”、“下方”、“上”、“下”等描述相对位置的术语，或描述方向的术语时，除非另有说明，否则指的是附图的方位或位于其正常使用位置中的座椅。除非另有规定，否则大致、基本上和大约等表述是指在10％以内，优选在5％以内。
图1非常示意性地示出了待集成在座椅元件(未示出)中的装置10。虽然装置10以立方体的形式表示，但其形状取决于应用。其可以例如是头枕机构、待集成在座椅底部件或靠背等中的乘客存在传感器。
装置10可以连接到能够与座椅元件的外部交换信息的电线或电缆12。根据另一示例，装置10与旨在从座椅元件(例如头枕杆等)突出的刚性元件形成一体。
现在，图1中那种类型的装置在座椅元件中的集成只能在之后执行，即，以包括用于装置的结构性开口的两个泡沫壳体的形式来制造座椅元件。这样的开口通常由形成两个半壳的泡沫注射模具限定。然后将该装置放置在该空间中，最后将两个壳体进行组装。这个过程很长。
然而，目前的技术不可能将装置放置在注射模具中，以便使元件以一体件形成。事实上，在注射期间，由于压力，泡沫将渗透到装置中并且将冒对其后续操作产生不利影响的风险。
在下文描述的实施例中，提供将待集成在座椅元件中的装置放置在袋或袋形部中以在注射期间保护其免受泡沫的影响。因此，可以一次性进行泡沫注射和装置集成操作。使用了术语“注射”，但是应当理解，当提及注射时，这也包括泡沫喷涂技术和其它泡沫形成技术。
图2非常示意性地示出了泡沫注射以形成座椅元件之前的步骤。待集成的装置10被放置在保护性袋形部或膜22中。在通过物理元件连接到外部(线12)的装置的情况下，该元件穿过袋形部或膜22。膜22的功能是在泡沫注射期间保护装置以及避免泡沫***到装置的部件中。
图3是用于形成座椅元件的泡沫注射模具3的简化图。在该示例中，模具3由彼此组装的两个部件32和34制成。由其袋22保护的装置10被放置在模具3中在该装置处于其最终位置时所需的位置处。然后，将泡沫M注射到模具3中以形成座椅元件。
优选地，在泡沫注射之前，在模具3的底部处布置由织造或非织造织物、皮毛或合成材料制成的衬里材料36，以直接围绕椅套形成覆盖物。
图4是完成之后的座椅元件的简化图示。
一旦泡沫已经聚合，将座椅元件从模具中取出，从而获得集成了装置10的该元件4。
优点在于，现在可以通过泡沫注射以一体件形成座椅元件，包括同时在其内部集成装置。制造相当简化。
在注射期间，袋或膜22的材料选择为不透泡沫，以防止装置10与被注射的泡沫的任何接触。一旦泡沫已经聚合，其形成围绕装置的壳体。
根据一个实施例，膜或袋22由塑料制成，例如由聚氨酯、线性低密度聚乙烯(LLDPE)、低密度聚乙烯(LDPE)制成。根据该实施例，在元件已经完成时，该袋或膜22保留。
根据另一个实施例，膜或袋22由泡沫聚合后发生降解的材料制成。例如，其是由聚乙烯和淀粉制成的膜或袋，其具有当泡沫聚合时消失的特异性，或者更具体地说，是集成到泡沫中的特异性。这样的实施例特别适用于这样的装置，对其而言，担忧的是塑料袋围绕装置的永久存在会对装置的操作产生不利影响。例如，对于比如传感器等装置而言情况就是如此，其中在无线传输的情况下，袋的存在可能不利地影响传感器灵敏度或测量的传输。
图5是将头枕机构5集成在泡沫头枕中的应用示例的简化透视截面图。
为了简化起见，在图5中尚未示出泡沫，并且其是象征性表示。
头枕的外侧由盖或盖元件50限定，例如，在注射之前布置在模具的底部。作为一种变型，将盖50放置在模制泡沫上。头枕机构52放置在塑料袋54中。在盖50与袋54之间注射泡沫。在头枕的示例中，杆56连接到该机构，并且因此穿过袋形部54和盖50。
图6是待集成在座椅底部件(未示出)中的存在传感器62的示例的横截面视图。
这里，传感器62放置在袋64中，该袋64优选由在泡沫聚合期间可降解的材料制成。然而，根据本实施例，加强织物部分66也用于保护盖侧上的传感器。该织物部分可能是实际的盖。
已经描述的实施例的优点在于，可以将装置集成在座椅元件中，包括以一体件泡沫形成座椅元件的方法。
另一个优点是，根据为膜或袋选择的材料，膜或袋可能消失，并且对随后的操作没有影响。
已经描述了各种实施例。本领域技术人员将想到各种各样的更改、修改和改进。特别地，尚未讨论实际泡沫的形成，所描述的实施例本身与通常的成型方法兼容。例如，该装置在被放置在袋或膜中之前至少部分地涂覆有泡沫层。此外，基于上文给出的功能指示，所描述的实施例的实际实施方式在本领域技术人员的能力内，无论是用于模制技术还是用于选择形成袋或膜的材料。
这些更改、修改和改进旨在成为本公开的一部分，并且旨在本发明的精神和范围内。因此，上述描述仅作为示例，意图并不是限制性的。本发明仅受所附权利要求及其等同方案所限定。

Claims (11)

1.一种将装置(10、52、62)集成在泡沫座椅元件(4)的椅套中的方法，所述方法包括以下步骤：
将所述装置放置在塑料袋中或用塑料膜(22、54、64)围绕所述装置；
将组件放置在注射模具(3)中；以及
注射泡沫(M)以一体件形成所述座椅元件(4)。
2.根据权利要求1所述的方法，其中，所述泡沫涂覆所述塑料袋或膜。
3.根据权利要求1所述的方法，其中，所述袋或膜(22)由选自聚氨酯、线性低密度聚乙烯和低密度聚乙烯的材料制成。
4.根据权利要求1所述的方法，其中，所述袋或膜(22)由聚乙烯和淀粉的混合物制成。
5.根据权利要求1所述的方法，其中，所述装置(10、52、62)连接到所述座椅元件的外部。
6.根据权利要求1所述的方法，其中，在注射之前将盖(36)放置在所述模具(3)的底部处。
7.根据权利要求1所述的方法，其中，所述装置在被放置在所述袋或膜中之前至少部分地涂覆有泡沫层。
8.一种座椅元件的椅套，集成了由以一体件制成的泡沫制成的装置(10、52、62)。
9.根据权利要求8所述的椅套，其通过实施权利要求1的方法而获得。
10.一种机动车辆座椅元件，包括权利要求8所述的椅套。
11.一种机动车辆座椅，其包括至少一个如权利要求10所述的座椅元件。
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FR3055829A1 (fr) 2018-03-16
US20180072196A1 (en) 2018-03-15

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