CN105308793A - 用于线性构件的防水结构 - Google Patents

用于线性构件的防水结构 Download PDF

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CN105308793A
CN105308793A CN201480034090.4A CN201480034090A CN105308793A CN 105308793 A CN105308793 A CN 105308793A CN 201480034090 A CN201480034090 A CN 201480034090A CN 105308793 A CN105308793 A CN 105308793A
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wire
lead
line heater
caulking member
patchhole
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冈田正次
岛村和宏
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Nitta Corp
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/22End caps, i.e. of insulating or conductive material for covering or maintaining connections between wires entering the cap from the same end
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00Ohmic-resistance heating
    • H05B3/02Details
    • H05B3/04Waterproof or air-tight seals for heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L53/00Heating of pipes or pipe systems; Cooling of pipes or pipe systems
    • F16L53/30Heating of pipes or pipe systems
    • F16L53/35Ohmic-resistance heating
    • F16L53/38Ohmic-resistance heating using elongate electric heating elements, e.g. wires or ribbons
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/22Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5216Dustproof, splashproof, drip-proof, waterproof, or flameproof cases characterised by the sealing material, e.g. gels or resins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Heating (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Pipe Accessories (AREA)
  • Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)

Abstract

引线(21)电连接到电源。线加热器(22)通过引线(21)被供应电力以产生热。***孔(12)形成在外壳(11)中。在引线(21)的顶端和线加热器(22)的顶端处于同一方向上的情况下,引线(21)和线加热器(22)通过填缝构件(23)连接就位。通过填缝构件(23)连接的引线(21)和线加热器(22)在从***孔(12)的入口部(13)向着***孔(12)的端部(14)***的同时被固定就位在***孔(12)中。密封树脂通过在端部(14)中形成的注入孔(15)注入,以填充***孔(12)的内部。

Description

用于线性构件的防水结构
技术领域
本发明涉及用于加热例如设置于排气排放物控制装置的尿素水管道的装置,更特别地,涉及在用于加热管道的线加热器和用于向线加热器供应电力的引线之间的连接部分处的防水结构。
背景技术
传统上,对于这种加热装置,已知的是专利文献1中公开的装置。在这个加热装置中,在无焊接端中形成布线通道。线加热器是从布线通道的开口***的,引线是从布线通道的对向开口***的,并且线加热器和引线连接在布线通道中。由于应该针对连接部分进行防水处理,因此布线通道的这两个开口的内部部分设置有密封构件。
现有技术文献
专利文献
专利文献1:日本未经审查的专利公开No.2009-30771
发明内容
本发明要解决的问题
在将线加热器和引线连接于无焊接端的操作中,需要以下的固定操作:线加热器和引线从相反方向***布线通道中并且被固定于固定装置。即,在保持固定状态的同时,线加热器和引线应该彼此连接,并且这个连接操作是非常麻烦的并且需要技能。另外,如果引线的外径改变,则不仅必须重新设计无焊接端,而且必须重新设计用于防水的密封构件,这样导致制造成本增加。
本发明的目的是提供一种用于线性构件的防水结构,其中,容易进行线加热器和引线的连接操作,并且即使引线的外径改变,也容易进行设计和制造。
解决问题的手段
根据本发明,一种用于线性构件的防水结构包括:引线,该引线电连接到电源;线加热器,该线加热器通过所述引线被供应电力以产生热;外壳,该外壳形成有***孔;以及填缝构件,该填缝构件在所述引线的顶端和所述线加热器的顶端处于同一方向上的同时连接所述引线和所述线加热器,以将所述引线和所述线加热器彼此固定;通过所述填缝构件连接的所述引线和所述线加热器在从所述***孔的入口部向着所述***孔的端部***之后被固定在所述***孔中,并且从在所述端部中形成的注入孔注入的密封树脂被填充在所述***孔中。
所述填缝构件是例如具有凹槽的板构件,所述凹槽接纳所述引线和所述线加热器,所述凹槽的两个边缘可被构造成在所述引线和所述线加热器布置在所述凹槽中的同时被弯曲,使得所述引线和所述线加热器彼此连接且固定。在这种情况下,优选地,所述线加热器布置在所述凹槽的底表面上,所述引线安装在所述线加热器上,并且所述填缝构件的边缘被弯曲并且压贴所述引线的上表面。
突出部可形成在连接所述***孔和所述注入孔的中间孔的内壁上,以与所述填缝构件的外表面部分接合,从而固定所述填缝构件。根据这种构造,引线和线加热器可暂时被固定在外壳中,以增加密封树脂注入操作的便利度。
本发明的效果
根据本发明,得到以下效果:使得容易进行线加热器和引线的连接操作,并且即使引线的外径改变,也容易进行设计和制造。
附图说明
图1是示出本发明的实施方式的防水结构的局剖立体图。
图2是示出通过填缝构件将引线和线加热器彼此连接且固定的过程的说明图。
图3是图1中示出的防水结构的剖视图。
具体实施方式
下面将参照附图描述本发明的实施方式,即,防水结构。
如图1中所示,外壳11形成有***孔12,引线21和线加热器22被***到***孔12中。***孔12从入口部13延伸到端部14,在端部14中形成注入孔15。在外壳11中形成连接***孔12和注入孔15的中间孔16。
引线21电连接到电源(未示出)。线加热器22电连接到引线21,使得通过引线21向线加热器22供应电力,以产生热。当本实施方式应用于排气排放物控制装置时,线加热器22用于加热例如尿素水管道。然而,本发明不限于这个应用。
引线21和线加热器22被布置成使得引线21的顶端和线加热器22的顶端处于同一方向上;通过填缝构件23固定这些顶端。如随后描述的,在引线21和线加热器22附接到填缝构件23之前,填缝构件23具有沟道形剖面。相反地,在引线21和线加热器22安装在填缝构件23上之后,填缝构件23的两个边缘被塑性变形以向内弯曲,并且压贴引线的上表面,使得引线21和线加热器22彼此连接且固定。
在外壳11的中间孔16的内壁上形成四个突出部17。突出部17从图1中示出的内壁的上侧、下侧、右侧和左侧向内突出。引线21和线加热器22在通过填缝构件23连接(填缝构件23与四个突出部17中的例如上突出部和下突出部17接合)的同时被从***孔12的入口部13向着端部14***。即,突出部17部分接合填缝构件23的外表面,使得填缝构件23被固定。
图2示出通过填缝构件23将引线21和线加热器22彼此连接且固定的过程。填缝构件23是具有凹槽24的板构件,凹槽24接纳引线21和线加热器22。线加热器22具有比引线21小的直径,并且布置在引线21下方。即,线加热器22布置在凹槽24的底表面上,引线21安装在线加热器22上。然后,填缝构件23的两个边缘25向内弯曲并且压贴引线21的上表面,使得引线21被挤压并变形成平坦形状。相反地,尽管线加热器22因引线21变形而被埋入引线21的下部部分中,但线加热器22保持其原始形状。
因填缝构件23与中间孔16的突出部17接合,通过填缝构件23连接的引线21和线加热器22暂时处于***孔12中。在这种状态下,密封树脂26被从注入孔15注入并且被填充到***孔12中。密封树脂26是基于硅改性的聚合物的弹性粘合剂,并且通过中间孔16的突出部17之间的空间被供应到***孔12中,从而到达入口部13。
如上所述,本实施方式被构造成使得,在引线21的顶端和线加热器22的顶端处于同一方向上的同时,线加热器22布置在引线21下方并且线加热器22和引线21通过填缝构件23连接。因填缝构件23与中间孔16的突出部17接合,引线21和线加热器22暂时被固定在***孔12中。即,操作人员可暂时用一只手将引线21和线加热器22固定在***孔12中并且在用另一只手握住外壳11的同时将密封树脂26通过注入孔15注入。因此,根据本实施方式,相比于引线和线加热器在相反方向上邻接并且附接到填缝构件的传统情况,不需要用于暂时保持引线和线加热器的工具,操作变得非常简单,不需要技能或经验。
另外,在现有技术中,必须设置密封构件来装配引线和线加热器并且在外壳中设置的线***孔的两端开口中严密地密封线***孔。相反地,在本实施方式中使用密封树脂26,因此,不需要密封构件。因此,即使当引线的直径改变时,不必重新设计密封构件。另外,也不必重新设计填缝构件,可捆扎并且容纳引线21和线加热器22的填缝构件23可选自商购产品。因此,根据本实施方式,用于引线21和线加热器22的连接组件的制造成本可降低。
注意的是,虽然在以上实施方式中设置线加热器22,但可用由于电流而产生热的细引线来取代线加热器22,本发明中的线加热器包含此细引线。
虽然在以上实施方式中密封树脂26是基于硅改性的聚合物的弹性粘合剂,但密封树脂不限于这种特定材料,并且可使用具有类似密封效率的其它粘合剂。
关于本发明,在不脱离本发明附带的权利要求书限定的本发明的意图和范围的情况下,可进行各种改变、更换和替代。另外,本发明不旨在限于说明书中描述的特定实施方式的过程、装置、制造、构成、手段或步骤。本领域的技术人员将认识到,可从根据本发明的公开内容中得出基本上实现了与本文中描述的实施方式造成的功能类似的功能或者基本上造成等同的操作和效果的装置、手段或方法。因此,附带的权利要求书旨在被包含在这种装置、手段或方法中。
本申请是基于日本专利申请(2013年6月24日提交的专利申请No.2013-131971)要求优先权权利的申请,基础申请的说明书、附图和权利要求书范围中包含的公开内容以引用方式明确地全部并入本文中。
对参考符号的说明
11外壳
12***孔
13入口部
14端部
15注入孔
21引线
22线加热器
23填缝构件
24凹槽
26密封树脂

Claims (4)

1.一种用于线性构件的防水结构,该防水结构包括:
引线,该引线电连接到电源;
线加热器,该线加热器通过所述引线被供应电力以产生热;
外壳,该外壳形成有***孔;以及
填缝构件,该填缝构件在所述引线的顶端和所述线加热器的顶端处于同一方向上的同时连接所述引线和所述线加热器,以将所述引线和所述线加热器彼此固定;
通过所述填缝构件连接的所述引线和所述线加热器在从所述***孔的入口部向着所述***孔的端部***之后被固定在所述***孔中,并且从在所述端部中形成的注入孔注入的密封树脂被填充在所述***孔中。
2.根据权利要求1所述的防水结构,其中,所述填缝构件是具有凹槽的板构件,所述凹槽接纳所述引线和所述线加热器,在所述引线和所述线加热器布置在所述凹槽中的同时,所述凹槽的两个边缘被弯曲,由此所述引线和所述线加热器彼此连接且固定。
3.根据权利要求2所述的防水结构,其中,所述线加热器布置在所述凹槽的底表面上,所述引线安装在所述线加热器上,并且所述填缝构件的边缘被弯曲并且压贴所述引线的上表面。
4.根据权利要求1所述的防水结构,其中,突出部形成在连接所述***孔和所述注入孔的中间孔的内壁上,以与所述填缝构件的外表面部分接合,从而固定所述填缝构件。
CN201480034090.4A 2013-06-24 2014-06-05 用于线性构件的防水结构 Pending CN105308793A (zh)

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JP2013131971A JP2015008042A (ja) 2013-06-24 2013-06-24 線状部材の防水処理構造
PCT/JP2014/064913 WO2014208304A1 (ja) 2013-06-24 2014-06-05 線状部材の防水処理構造

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