CN103732426A - 用于车辆通风装置的空气流动通道和用于制造其的方法 - Google Patents

用于车辆通风装置的空气流动通道和用于制造其的方法 Download PDF

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CN103732426A
CN103732426A CN201280029469.7A CN201280029469A CN103732426A CN 103732426 A CN103732426 A CN 103732426A CN 201280029469 A CN201280029469 A CN 201280029469A CN 103732426 A CN103732426 A CN 103732426A
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air flow
flow passage
packing element
edge
described packing
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M·维德迈尔
M·库克茨
H-G·维尔纳
A·克梅德
P·瑟古德
B·格罗斯
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Johnson Controls Interiors GmbH and Co KG
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    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
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    • F16L9/133—Rigid pipes of plastics with or without reinforcement the walls consisting of two layers
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/53—Joining single elements to tubular articles, hollow articles or bars
    • B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
    • B29C66/5324—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length
    • B29C66/53241—Joining single elements to the wall of tubular articles, hollow articles or bars said single elements being substantially annular, i.e. of finite length said articles being tubular and said substantially annular single elements being of finite length relative to the infinite length of said tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
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    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • B29C66/547—Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles, e.g. endless tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/61—Joining from or joining on the inside
    • B29C66/612—Making circumferential joints
    • 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
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    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/727—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 structure of the material of the parts to be joined being porous, e.g. foam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29K2021/00—Use of unspecified rubbers as moulding material
    • B29K2021/003—Thermoplastic elastomers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29L2031/00—Other particular articles
    • B29L2031/001—Profiled members, e.g. beams, sections
    • B29L2031/003—Profiled members, e.g. beams, sections having a profiled transverse cross-section
    • 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
    • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
    • B29L2031/265—Packings, Gaskets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract

本发明涉及用于车辆通风装置的空气流动通道（1）。根据本发明，一密封元件（7）在所述空气流动通道（1）的至少一个管口（6）处材料锁合地布置在一口边缘（2）的区域中，其中，所述密封元件（7）能够借助于熔融过程或热焊接方法以如下方式布置在所述管口（6）的所述口边缘（2）的区域中或能够以如下方式施加到所述空气流动通道（1）上，即，所述密封元件（7）的被熔融的材料与所述空气流动通道（1）的被加热的材料接合。本发明还涉及用于制造用于车辆通风装置的空气流动通道（1）的方法。

Description

用于车辆通风装置的空气流动通道和用于制造其的方法
技术领域
本发明涉及根据权利要求1前序部分所述的用于车辆通风装置的空气流动通道。本发明还涉及根据权利要求11前序部分所述的用于制造用于车辆通风装置的空气流动通道的方法。 
背景技术
DE198 07 411 B4描述了为管通道的用于车辆通风装置的空气流动通道，其具有由形状稳定的和形状弹性的塑料泡沫制成的壳，所述壳在纵向边缘处利用边缘凸缘彼此贴靠连接，其中，在空气流动通道的至少一个管口处，为了稳定并且在其沿轴向方向的延续部分中安置有由聚丙烯或聚乙烯制成的至少一个联接接管和/或至少一个联接接片。 
WO2006/024316A1描述了用于将由热塑性聚合物制成的层与一弹性体的表面连接的方法。使用优选具有开孔表面的发泡弹性体。热塑性层挤压该表面，而其通过热辐射、尤其是激光来加热。该热塑性层对于这些波是透明的，而这些波由弹性体表面来吸收。 
由DE10 2008 010 023A1，DE10 2004 049 398A1和DE10 2006 016483A1公开了另外的空气通道，它们在过渡区域或连接区域中具有密封区段，密封元件以材料锁合的方式布置在所述密封区段中。 
发明内容
本发明的任务在于提供一种与现有技术相比被改进的用于车辆通风装置的空气流动通道以及一种用于制造用于车辆通风装置的空气流动通道的被改进的方法。 
对于用于车辆通风装置的空气流动通道而言，该任务由权利要求1中所记载的特征来解决。对于用于制造用于车辆通风装置的空气流动通道的方法而言，该任务由权利要求11中所记载的特征来解决。 
本发明的有利改进方案是从属权利要求的主题。 
在用于车辆通风装置的空气流动通道的情况下，一密封元件在空气流动通道的至少一个管口处材料锁合地布置在口边缘的区域中，其中，所述密封元件能够借助于熔融过程或热焊接方法以如下方式布置在管口的口边缘的区域中或能够以如下方式施加到所述空气流动通道上，即，所述密封元件的被熔融的材料与所述空气流动通道的被加热的材料接合。由此，空气流动通道和至少一个密封元件连接成一体式的构件，从而使得该构件的装配更加容易。 
特别有利的是，具有密封元件的空气流动通道的制造成本显著降低，其原因在于与具有独立的凸缘和密封元件的空气流动通道的常规制造相比，构件数目和所需生产步骤的数目都有所减少。 
所述密封元件适宜地由弹性塑料形成并且所述空气流动通道由热塑性塑料形成。 
在一有利的实施方式中，所述密封元件由发泡塑料形成。由此，也在诸如像振动和/或温度波动的苛刻条件下使得持久的密封作用成为可能。 
特别优选地，密封元件由热塑性弹性体形成，尤其是由所谓的热塑性弹性体泡沫（TPE-Schaum）形成。这样的材料可良好地热塑加工并具有类似橡胶的性能。 
在一个可能的实施方式中，空气流动通道由聚烯烃（Polyolefin）形成，尤其是由聚烯烃泡沫形成，例如由聚乙烯或聚丙烯形成。这样的材料特别适于局部的加热。 
在另一个实施方式中，除了密封元件的密封功能以及与空气流动通道的材料锁合连接之外设置：所述密封元件形状锁合和/或力锁合地布置在所述空气流动通道上。为了所述形状锁合连接，所述密封元件施加到空气流动通道上的倒钩式成型部或突出的凸肩上。为了所述材料锁合连接，所述空气流动通道通过一个面，例如邻接的另一空气流动通道的一个端部翻套（gestülpt），其中，所述密封元件布置在彼此交错插接的空气流动通道的端部之间并变形，尤其是压到一起，从而使得密封元件被按压地并且由此形状锁合和/或力锁合地贴靠到所述端部上。 
优选地，所述密封元件沿着所述管口沿径向环绕地在空气流动通道内延伸。这能够实现所述密封元件的特别有效的密封作用。 
特别优选地，所述密封元件在内侧上布置在所述口边缘的区域中。由此能够以简单的方式将另一空气流动通道的常规凸缘密封地布置在所述口边缘上或中。 
在一替换的实施方式中，所述密封元件可在外侧上布置在所述口边缘的区域中。 
所述密封元件可有利地具有圆形或多角形的横截面。 
在一特别有利的实施方式中，所述密封元件构造为中空型材。由此，重量减轻成为可能，并且，用于制造所述密封元件所需的材料使用减少。此外，这种密封元件是特别柔性的并具有改进的热隔离作用。 
在用于制造一用于车辆通风装置的空气流动通道的方法中，根据本发明，一密封元件在所述空气流动通道的至少一个管口上材料锁合地施加在一口边缘的区域内。由此，空气流动通道和至少一个密封元件连接成一体式的构件，从而使得所述构件的制造成本显著降低并且使得所述构件的装配更加容易。 
优选地，可由热塑性弹性体形成的密封元件借助于熔融过程而材料锁合地施加在所述空气流动通道上，从而使得能够实现在空气流动通道和所述密封元件之间的特别能保持的连接。为了形成材料锁合连接，在此在一个可能的实施方式中，所述空气流动通道例如通过热空气在待施加的密封元件的区域中被局部地加热，并且沿着空气流动通道的口边缘施加，尤其是浇注所述密封元件的被熔融的材料。 
附图说明
基于所附示意图对本发明进行更详细地解释说明。在此： 
图1示意性地示出在口边缘区域中穿过空气流动通道的截面视图； 
图2示意性地示出在口边缘区域中在空气流动通道的纵向伸展部的方向上的截面视图； 
图3示出密封元件的示意性横截面变型方案； 
图4示意性地示出第一空气流动通道布置在另一空气流动通道上的第一实施变型方案；以及 
图5示意性地示出第一空气流动通道布置在另一空气流动通道上的第二实施变型方案。 
在所有附图中彼此相应的部件设有相同的附图标记。 
具体实施方式
图1示意性地示出在口边缘2区域中穿过空气流动通道1的截面视图。 
空气流动通道1构造为用于车辆通风装置的常规空气流动通道，并且其例如成形为具有规则或不规则管形状的管通道。 
空气流动通道1优选以所谓的双壳结构方式由两个单个的半壳3、4来制造，其中，边缘凸缘5布置于半壳3、4的纵向边缘上，且以彼此贴靠的方式连接这些半壳。半壳3、4的边缘凸缘5成形为彼此对应且以如下方式彼此贴靠地布置，即，所述半壳形成具有至少两个管口6，例如一入口和一出口的管形中空空间。 
在此，半壳3、4在半壳3、4的彼此贴靠布置的边缘凸缘5处以形状锁合、材料锁合和/或力锁合的方式彼此连接，例如以机械和/或热力的方式结合，例如熔焊、钎焊、铆接或以一些其它合适的方式彼此连接。特别优选地，半壳3、4的边缘凸缘5通过热焊接而材料锁合地结合。 
空气流动通道1的半壳3、4例如由热塑性塑料制成。在一可能的实施方式中，半壳3、4由聚烯烃形成，尤其是由聚乙烯或聚丙烯形成。例如，半壳3、4由化学上交联的闭孔聚乙烯泡沫材料制成，所述聚乙烯泡沫材料具有被覆盖（verhauteter）的表面，该聚乙烯泡沫材料适于在从大致-40℃至大致100℃的温度范围内使用并且此外是形状稳定性的和形状弹性的。 
每个管口6包括一口边缘2，在图4和图5中所示的另外的空气流动通道12可耦接所述口边缘2。在未示出的实施变型方案中，其它要在空气流动通道1上联接的构件，例如通风开口和/或通风格栅可布置在所述口边缘2处。 
根据本发明，密封元件7在空气流动通道1的至少一个管口6处以材料锁合的方式布置在口边缘2的区域中。在此，密封元件沿着管口6在空气流动通道1中沿径向环绕地延伸。 
在图1中所示的第一实施变形方案中，密封元件7在空气流动通道1中在口边缘2的区域中布置于内侧。 
在未示出的第二实施变形方案中，密封元件7在外侧在口边缘2的区域中布置在空气流动通道1上。 
密封元件7由一发泡的和/或弹性的塑料形成，其中，所述密封元件7有利地由一热塑性弹性体形成，尤其是由所谓的热塑性弹性体泡沫形成。 
图2示意性地示出在口边缘2的区域中在空气流动通道1的纵向伸展部的方向上沿着图1中所示的截面边缘II-II的截面视图。 
图3示意性地示出密封元件7的不同的横截面变型方案。密封元件7可具有圆形或多角形的横截面，并且例如构造有圆形横截面8、三角形横截面9或方形横截面10。 
与横截面变型方案无关地，密封元件7可构造为实心型材或构造为中空型材11。 
在制造期间，可由一热塑性弹性体形成的密封元件7通过常规的熔融过程材料锁合地施加在空气流动通道1上。 
在此，一机器人沿着空气流动通道1的口边缘2导向一常规的挤出喷嘴，而同时，口边缘2在待施加的密封元件7的区域中局部地通过热空气来加热。密封元件7的被熔融的材料与空气流动通道1的被加热的材料接合并且由此构造一连接部，该连接部在短时间之后已是固态的。所述连接部有利地如此强或能够机械负载，使得密封元件7可同时用作固定元件。 
图4示意性地示出第一空气流动通道1布置在另一空气流动通道12上的第一实施变形方案。在此，第一空气流动通道1的口边缘2的外直径与另一空气流动通道12的口边缘2的外直径相比扩大，从而使得空气流动通道1、12可在端部侧上彼此交错地推移。为了密封彼此交错推移的空气流动通道1、12，密封元件7在内侧上布置在第一空气流动通道1的口边缘2处。当空气流动通道1、12彼此交错地推移时，弹性密封元件7以如下方式变形，即，所述弹性密封元件形状锁合和/或力锁合地贴靠在另一空气流动通道12的外侧面上，以及将所述空气流动通道1、12的内部空间相对于周围环境密封。 
图5示意性地示出第一空气流动通道1布置在另一空气流动通道12上的第二实施变形方案。这基本上相应于根据图4的第一实施变形方案，其区别之处在于：倒钩式成型部13布置在另一空气流动通道12的口边缘2处。该倒钩式成型部13包括升高区段14以及区段15，口边缘2的外直径在该升高区段14的走向上扩大，区段15布置成与口边缘2的表面成直角或接近直角，所述区段15在构造了凸肩16的情况下连接口边缘2的被扩 大的外径与所述表面。 
在空气流动通道1、12的已装配状态下，密封元件7在构造了形状锁合的情况下保持在凸肩16上。 
附图标记列表 
1   空气流动通道 
2   口边缘 
3   半壳 
4   半壳 
5   边缘凸缘 
6   管口 
7   密封元件 
8   圆形横截面 
9   三角形横截面 
10  方形横截面 
11  中空型材 
12  另外的空气流动通道 
13  倒钩式成型部 
14  升高区段 
15  区段 
16  凸肩 。

Claims (12)

1.用于车辆通风装置的空气流动通道（1），其中，一密封元件（7）在所述空气流动通道（1）的至少一个管口（6）处材料锁合地布置在一口边缘（2）的区域中，其特征在于，所述密封元件（7）能够借助于熔融过程或热焊接方法以如下方式布置在所述管口（6）的所述口边缘（2）的区域中或能够以如下方式施加到所述空气流动通道（1）上，即，所述密封元件（7）的被熔融的材料与所述空气流动通道（1）的被加热的材料接合。
2.根据权利要求1所述的空气流动通道（1），其特征在于，所述密封元件（7）由弹性塑料形成并且所述空气流动通道（1）由热塑性塑料形成。
3.根据权利要求1或2所述的空气流动通道（1），其特征在于，所述密封元件（7）由发泡塑料形成。
4.根据前述权利要求之一所述的空气流动通道（1），其特征在于，所述密封元件（7）由热塑性弹性体形成。
5.根据前述权利要求之一所述的空气流动通道（1），由聚烯烃制造，尤其是由聚乙烯或聚丙烯制造。
6.根据前述权利要求之一所述的空气流动通道（1），其特征在于，所述密封元件（7）沿着所述管口（6）沿径向环绕地在所述空气流动通道（1）内延伸。
7.根据前述权利要求之一所述的空气流动通道（1），其特征在于，所述密封元件（7）在内侧上或在外侧上布置在所述口边缘（2）的区域中。
8.根据前述权利要求之一所述的空气流动通道（1），其特征在于，所述密封元件（7）具有圆形或多角形的横截面。
9.根据前述权利要求之一所述的空气流动通道（1），其特征在于，所述密封元件（7）构造为中空型材。
10.根据前述权利要求之一所述的空气流动通道（1），其特征在于由两个半壳构成的两件式结构。
11.用于制造用于车辆通风装置的空气流动通道（1）的方法，其特征在于，一密封元件（7）在所述空气流动通道（1）的至少一个管口（6）上以如下方式借助于熔融过程而材料锁合地施加在一口边缘（2）的区域内，即，所述密封元件（7）的被熔融的材料与所述空气流动通道（1）的被加热的材料接合。
12.根据权利要求11所述的方法，其特征在于，所述空气流动通道（1）通过热空气在待施加的所述密封元件（7）的区域中被局部地加热，并且，沿着所述口边缘（2）施加、尤其是浇注所述密封元件（7）的被熔融的材料。
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