CN101528515B - 雨刷片 - Google Patents

雨刷片 Download PDF

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CN101528515B
CN101528515B CN200780039784.7A CN200780039784A CN101528515B CN 101528515 B CN101528515 B CN 101528515B CN 200780039784 A CN200780039784 A CN 200780039784A CN 101528515 B CN101528515 B CN 101528515B
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spring
supporting member
wiper blade
rain brush
brush bar
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CN101528515A (zh
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M·阿兹纳格
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Robert Bosch GmbH
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S1/3848Flat-type wiper blade, i.e. without harness
    • B60S1/3849Connectors therefor; Connection to wiper arm; Attached to blade
    • B60S1/3851Mounting of connector to blade assembly
    • B60S1/3853Snap-fit, e.g. elastic connection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/40Connections between blades and arms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S1/3806Means, or measures taken, for influencing the aerodynamic quality of the wiper blades
    • B60S1/381Spoilers mounted on the squeegee or on the vertebra
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S1/3848Flat-type wiper blade, i.e. without harness
    • B60S1/3874Flat-type wiper blade, i.e. without harness with a reinforcing vertebra
    • B60S1/3875Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section
    • B60S1/3879Flat-type wiper blade, i.e. without harness with a reinforcing vertebra rectangular section placed in side grooves in the squeegee
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S2001/3812Means of supporting or holding the squeegee or blade rubber
    • B60S2001/3817Means of supporting or holding the squeegee or blade rubber chacterised by a backing strip to aid mounting of squeegee in support
    • B60S2001/382Means of supporting or holding the squeegee or blade rubber chacterised by a backing strip to aid mounting of squeegee in support the backing strip being an essentially planar reinforcing strip, e.g. vertebra
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00Cleaning of vehicles
    • B60S1/02Cleaning windscreens, windows or optical devices
    • B60S1/04Wipers or the like, e.g. scrapers
    • B60S1/32Wipers or the like, e.g. scrapers characterised by constructional features of wiper blade arms or blades
    • B60S1/38Wiper blades
    • B60S2001/3812Means of supporting or holding the squeegee or blade rubber
    • B60S2001/3822Means of supporting or holding the squeegee or blade rubber characterised by additional means to prevent longitudinal sliding of squeegee in support, e.g. clips

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Connection Of Plates (AREA)
  • Ink Jet (AREA)
  • Massaging Devices (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Power Steering Mechanism (AREA)
  • Body Structure For Vehicles (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Brushes (AREA)

Abstract

本发明涉及一种雨刷片(10),具有弹性的带状的支承构件(12,52,72),所述支承构件为了容纳雨刷条(14)而具有在支承构件(12,52,72)的两个平行延伸的弹簧条(26,54,74)之间的纵向缝隙(56),所述弹簧条在其端部上相应地通过桥件(28,58,76)相互连接成一体并且在未加载的状态下朝雨刷条(14)凹状地弯曲。建议至少一个桥件(28,58,76)在雨刷条(14)的背部板条(24)的区域中在雨刷片(10)的垂直的横向平面内在背对雨刷条(14)的一侧上与纵向缝隙(56)错开地延伸。

Description

雨刷片
技术领域
本发明涉及一种按权利要求1前序部分所述的雨刷片。
背景技术
由US 2006/00 267 86 A1公开了一种雨刷片,其中两个弹簧条在其端部上通过桥件相互连接,该桥件位于和弹簧条相同的平面内。为了装配雨刷条,弹簧条之间的缝隙在一个端部上扩大为装配开口,从而通过装配开口可以穿入雨刷条的背部板条并且可以将背部板条下面的接片推入纵向缝隙中。所述弹簧条在中间区域内具有四个用于连接元件的固定孔,该连接元件用来将雨刷片和雨刷臂进行铰接连接。所述连接元件在其底部具有四个卡爪,它们穿入固定孔并且在装配时如此弯曲,使得连接元件固定地坐落在弹簧条上。导流板部件在连接元件的两侧套装在弹簧条上,导流板部件的自由端部由端部套封闭。
此外,由WO 01/62559 A2公开了一种具有两个带状弹簧条的雨刷片,弹簧条在其端部上相应地通过桥件相互连接。每个桥件具有两个支脚,该桥件以支脚牢固地焊接在弹簧条上。在支脚之间,桥拱在雨刷条的背部板条上方延伸。由此,雨刷条可以以其背部板条在桥拱下推入弹簧条之间的纵向缝隙中。在桥拱上模制具有钩子的夹板,该钩子在雨刷条装配后压入背部板条并且由此使得雨刷条相对于弹簧条固定。所述桥件和夹板由端部套覆盖。连接元件位于雨刷片中间,连接元件的四个卡爪从上面、从侧面以及从下面包围所述弹簧条。
发明内容
根据本发明,至少一个桥件在雨刷条的背部板条的区域中在雨刷片的垂直的横向平面内在背对雨刷条的一侧上与纵向缝隙错开地延伸。由此,所述雨刷条的背部板条可以在桥件和纵向缝隙的端部之间推过纵向缝隙,使得位于背部板条下面的在两个纵向槽之间的接片可以推入纵向缝隙中。相对于现有技术,容易将雨刷条装配到支承构件中,并且雨刷条在其一直到紧邻桥件之前的整个长度上在纵向缝隙中导引。由此在雨刷片的整个长度上获得良好的刮水性能。此外,所述支承构件可以以经济的制造方法进行制造。
按本发明的实施例提出,支承构件的至少一个桥件以桥拱跨过弹簧条之间的中间空间。在此,将背部板条在桥拱下推过纵向缝隙,使得弹簧条嵌入雨刷条的纵向槽中。所述支承构件可以以简单的方式由弹簧钢板冲压而成,其中至少在纵向缝隙的一个端部上设置横向延伸的切口,该切口将桥拱与弹簧条的部分分开。所述切口的长度由背部板条的宽度确定,从而在桥拱的例如通过挤压或冲压引起的最终变形后获得足够的装配间隙空间。
另一种制造桥拱的方案是,所述支承构件由合成材料以压注方法进行制造。在此,为了在雨刷片的纵向上获得更好的压力分布,可以注入作为插入件的由弹簧钢制成的带状的弹簧条。所述桥拱的形状由压注模预先确定。根据另一个实施例,至少在纵向缝隙的一个端部上在桥件前通过平行于纵向缝隙延伸的切口和横向于该纵向缝隙延伸的切口形成凸耳,凸耳朝雨刷条弯曲,从而在桥件和凸耳的自由端部之间形成足够的中间空间用于装配雨刷条。在该替代方案中,所述桥件基本上在与弹簧条相同的平面内延伸,而所述凸耳在其自由端部上朝雨刷条形成用于雨刷条的足够的装配间隙空间。
按本发明的另一种设计方案,在弹簧条的中间区域内设置开口,用于与雨刷臂铰接连接的连接元件借助于弹簧钩嵌入该开口中。由此,可以快速地并且不用专门工具地装配和拆卸所述连接元件。所述连接元件可以是由合成材料制成的压注件或者由板材制成,其中弹簧钩从连接元件的底部冲出并且弯到大致垂直于底部的平面内。为了在弹簧钩较短的情况下获得足够的用于可靠定位的弹簧行程,有利的是为每个开口设置两个弹簧钩,弹簧钩的凸块布置在弹簧钩的相互背对的侧面上并且指向弹簧条的纵向方向。
如果所述支承构件以压注方法由合成材料制成,那么有利的是所述连接元件同样以压注方法与支承构件连接成一体。在此,为了获得连接元件更大的强度和刚度,可以由板材制成插入件并且以压注方法将该插入件与支承构件进行连接。
为了提高由行驶风引起的作用到雨刷片上的压紧力,有利地设置两件式的导流板,该导流板的两部分套装到支承构件上。该导流板的两部分一直伸到连接元件并且在其自由端部上利用端部套封闭。所述端部套有利地集成在导流板的两部分中,该导流板的两部分同样以压注方法进行制造。在此,可以预先给定标准长度,该标准长度根据应用情况切成合适的长度。
附图说明
其它优点从下面的附图说明中获得。在附图中示出了本发明的实施例。附图、说明书和权利要求包含大量特征组合。本领域的技术人员也可以适宜地单个考虑所述特征并且总结出其它有意义的组合。
其中:
图1是雨刷片的支承构件的部分透视图,
图2是图1的变型方案,
图3是连接元件的透视图,
图4是按图3的连接元件从下面看的部分透视图,
图5是按图4的带有套子的连接元件的透视图,
图6是具有集成的端部套的导流板部件的透视图,
图7是从另一个方向看图6的透视图,
图8是具有集成的连接元件的支承构件的部分透视图,
图9是具有按图8的支承构件的雨刷片的部分透视图,
图10是按图9的带有导流板的雨刷片的部分视图,
图11是按图10的带有端部套的导流板的部分视图,
图12是按图9的带有用于连接元件的套子的雨刷片的部分视图。
具体实施方式
在图1中示出了用于雨刷片10的支承构件12。虽然该支承构件12也可以由合成材料制成,但其有利地由弹簧钢板以冲压和弯曲方法进行制造。在此,该支承构件12由钢板冲成并且在一道工序中设置纵向缝隙56以及中间区域中的开口34。所述纵向缝隙56在其端部上由横向延伸的切口32进行限制。支承构件12的由纵向缝隙56分开的部分形成了弹簧条26,该弹簧条在其端部上通过桥件28相互连接。在桥件28中至少一个桥件28设有桥拱30,使得该桥件28在雨刷条14(图9)的背部板条24的区域中在雨刷片10的垂直的横向平面内在背对雨刷条14的一侧上与纵向缝隙56错开地延伸。该桥件28的变形由切口32实现,该切口在其长度方面与背部板条24的宽度相协调。
所述雨刷条14具有雨刷唇16,该雨刷唇通过翻转接片18与顶部板条20连接。该顶部板条具有两个相互对置的纵向槽22,它们将背部板条24与顶部板条20的其余部分隔开并且在其之间形成接片。
将雨刷条14插入支承构件12中,方法是将背部板条24在桥拱30和纵向缝隙56之间推过弹簧条26,使得弹簧条26嵌入纵向槽22中。在装配雨刷条14后,用于与雨刷臂86铰接连接的连接元件36与支承构件12牢固地连接,方法是其借助于具有凸块46的弹簧钩44嵌入弹簧条26的开口34中。所述连接元件36具有侧面38。在侧面38上设置了支承孔、轴颈或支承销形式的支承元件40。从连接元件36的底部42冲出具有凸块46的弹簧钩44,其中弹簧钩44以一侧与底部42保持连接。弹簧条26(图1)中的每个开口34设有两个弹簧钩44,它们大致垂直于底部42弯曲并且其凸块46相互背对且指向弹簧条26的纵向。通过冲出具有凸块46的弹簧钩44,在底部42中形成了开口48。
在装配所述连接元件36时,将背部板条24朝底部42以及弹簧条26进行挤压,从而雨刷条14在弹簧条26的纵向上得以固定。这一纵向固定可以通过能布置在底部42上的并且在装配期间挤入背部板条24的突起、尖端或类似物得到加强。在装配连接元件36后,该连接元件由套子50覆盖,而不会妨碍雨刷片10和雨刷臂86之间的铰接功能。
按图2的实施例示出了具有纵向缝隙56的支承构件52,纵向缝隙56的纵侧布置了弹簧条54。该弹簧条通过桥件58相互连接。该桥件58通过横向于纵向缝隙56延伸的切口32部分地与弹簧条54分开。该切口32限制了凸耳62,凸耳62通过切口60平行于纵向缝隙56从弹簧条54中冲出。所述凸耳62在对置于切口32的端部上与弹簧条54连接,并且在对置的端部上朝着雨刷条14的方向从桥件58弯出。由此,在桥件58和凸耳62之间形成了中间空间,通过该中间空间,所述背部板条24可以推过凸耳62和弹簧条54,使得凸耳62和弹簧条54嵌入顶部板条20的纵向槽22中。
可以将具有导流板型面68和导轨66的导流板64部件装配到支承构件12、52的弹簧条26、54上。导流板部件64在一个端部上具有集成的端部套70。所述导流板部件用压注方法以标准化的长度进行制造并且根据在指向连接元件36的端部上的应用情况切成所需要的长度。
在按图8到12的实施例中,支承构件72以压注方法进行制造。该支承构件具有由弹簧钢制成的弹簧条74,弹簧条74作为插入件以压注方法与支承构件72连接并且以其向内突出的部分嵌入雨刷条14的顶部板条20的纵向槽22中。这两个弹簧条74在其端部上通过桥件76相互连接。该桥件具有桥拱77,使得所述背部板条24在桥拱77下可以推过弹簧条74。
用于将雨刷片10与雨刷臂86铰接连接的连接元件78可以以相同的压注方法与支承构件72连接。此外,由板材制成的连接元件78作为插入件插入压注模中。所述连接元件78具有侧面80,该侧面80通过雨刷条14的一侧上的桥状的底部84相互连接。在侧面80上设置了支承孔、轴颈、支承销或类似物的形式的支承元件82。
扁平结构的导流板88借助于导向槽90套装到支承构件72上。所述导流板有利地构造成两件式的,其中这两部分一直伸到连接元件78并且其自由端由端部套92封闭。

Claims (5)

1.雨刷片(10),具有弹性的带状的支承构件(12,52,72),所述支承构件为了容纳雨刷条(14)而具有在所述支承构件(12,52,72)的两个平行延伸的弹簧条(26,54,74)之间的纵向缝隙(56),所述弹簧条在其端部上相应地通过桥件(28,58,76)相互连接成一体并且在未加载的状态下朝雨刷条(14)凹状地弯曲,其中至少一个桥件(28,58,76)在雨刷条(14)的背部板条(24)的区域中在雨刷片(10)的垂直的横向平面内在背对雨刷条(14)的一侧上与纵向缝隙(56)错开地延伸,使得所述支承构件(12,72)的所述桥件(28,76)以桥拱(30,77)跨过弹簧条(26,54,74)之间的中间空间,其特征在于,所述支承构件由弹簧钢板形成,至少在纵向缝隙(56)的一个端部上设置横向延伸的切口(32),该切口将桥拱(30)与弹簧条(26)分开,或者带有桥件的支承构件以压注方法由合成材料制成,其中由弹簧钢制成的弹簧条(74)作为插入件注入。
2.按权利要求1所述的雨刷片(10),其特征在于,在弹簧条的中间区域内设置开口(34),用于与雨刷臂(86)铰接连接的连接元件(36)借助于弹簧钩(44)嵌入开口(34)中。
3.按权利要求2所述的雨刷片(10),其特征在于,为每个开口(34)设置两个弹簧钩(44),所述弹簧钩(44)的凸块(46)布置在弹簧钩(44)的相互背对的侧面上并且指向弹簧条(26,54)的纵向方向。
4.按权利要求1至3中任一项所述的雨刷片(10),其特征在于,将导流板(64,88)的部件套装到支承构件(12,52,72)上,导流板部件的自由端部利用端部套(70,92)封闭。
5.按权利要求4所述的雨刷片(10),其特征在于,所述端部套(70)集成在导流板(64)的部件中。
CN200780039784.7A 2006-10-27 2007-09-07 雨刷片 Expired - Fee Related CN101528515B (zh)

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DE10038397A1 (de) * 2000-08-07 2002-03-07 Valeo Auto Electric Gmbh Wischvorrichtung, insbesondere für Kraftfahrzeuge

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