CN209092728U - 具有单个弹性膜片的电机-泵总成 - Google Patents
具有单个弹性膜片的电机-泵总成 Download PDFInfo
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- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
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- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract
本实用新型涉及一种简单、紧凑且廉价的电机‑泵总成(1),用于对机动车制动***的气动制动助力器进行低压供给,所述电机‑泵总成(1)构造成具有单个的弹性体膜片(2)的膜片泵,所述膜片通过电动运行的电机单元(3)借助于偏心传动装置(4)移动,所述电机‑泵总成(1)具有泵壳体(5)和工作室盖(6),所述膜片(2)在其径向外部边缘上密封地卡紧在所述泵壳体(5)与所述工作室盖(6)之间,所述工作室盖(6)构造成多件式,具有上盖(8)和下盖(9)以及布置在所述上盖(8)与所述下盖(9)之间的进入阀(10)和排出阀(11),所述进入阀和排出阀控制通过所述工作室(7)的空气循环。
Description
技术领域
本实用新型涉及一种电机-泵总成,其尤其是用于对用于液压式乘用车制动***的气动制动助力器进行低压供给。现代车辆驱动装置大多提供过小的低压甚至不提供低压,以便可运行气动制动助力器。这使得需要使用单独的泵总成来产生所需的低压。
背景技术
在此,在使用中被证实特别柔性的是具有自己的驱动单元的电机-泵总成,因为所述电机-泵总成可与主驱动装置无关地按照需求运行。在此,特别流行的是叶片泵和具有呈对置式布置形式的两个彼此对置的弹性体膜片的双膜片泵。双膜片泵相对于叶片泵尤其具有优点:所述双膜片泵即使在高的温度下并且在大的程度上在低的空气压力下也可靠地工作,此外还具有陡的空气流量-起动特性。然而,所述双膜片泵大多也构造得较重、较大、较复杂并且由此比叶片泵昂贵。此外,这种结构通常需要用于防止水浸入到内部空间的复杂装置,以便避免电机-泵总成和制动助力器受损。
实用新型内容
因此提出的目的是,提供一种电机-泵总成,所述电机-泵总成在保持双膜片泵的优点的情况下更简单、更紧凑且更廉价。
根据本实用新型,所述目的通过如下所述的特征组合来实现:一种用于对气动制动助力器进行低压供给的电机-泵总成构造成具有单个的弹性体膜片的膜片泵;所述膜片通过电动运行的电机单元借助于偏心传动装置移动;所述电机-泵总成具有泵壳体和工作室盖,所述膜片在其径向外部边缘上密封地卡紧在所述泵壳体与所述工作室盖之间,由此,在所述膜片与所述工作室盖之间形成具有可变容积的工作室;所述工作室盖构造成多件式,具有上盖和下盖以及布置在所述上盖与所述下盖之间的进入阀和排出阀,所述进入阀和排出阀控制通过所述工作室的空气循环。
具有单个膜片的高度集成的总成的根据本实用新型的结构允许使用较小且较轻的电驱动装置,减少零件,明显降低成本、重量以及装配投入。较紧凑的外部尺寸允许还封装在机动车的发动机舱中。
用于使电机-泵总成的工作室与消耗器——例如制动助力器——连接的气动连接端可特别有利地直接在进入阀的紧附近布置并且特别是成形在工作室盖上。取消了附加的降低效率的空气通道,泵壳体的结构明显简化。此外,气动连接端视当前空间要求而定可柔性地进行匹配,不仅涉及方向和位置,而且涉及类型,例如作为接管、卡口式连接装置、快速连接装置或者说快速连接器。
直接在排出阀之后直接地布置并且优选集成地成形在工作室盖上的具有多孔过滤元件的***单元允许压力损失小地且效率高地实现特别有效的噪声降低。
在本实用新型的有利扩展构型中,在***单元中为了避免水进入而设置有止回阀,所述止回阀在空气流动方向上布置在过滤元件与大气之间,并且设置成使得所述止回阀在朝过滤元件的方向上闭合。在此,止回阀可成本低廉地由弹性体材料制造并且可特别简单装配地在***单元中卡紧在过滤元件与具有空气排出口的壁之间。
潮湿的过滤元件大多造成显著高的压力损失。通过使用止回阀可在不考虑其抽吸能力的情况下动用对于过滤元件而言成本低廉且特别有效地消声的材料并且取消水排斥涂层。
在一个特别有利的扩展构型中,止回阀可构造成唇形阀,尤其是构造成鸭嘴阀。这种阀结构比相对照的平阀具有更好的气动性且更低音,提供对水浸入的显著好的保护作用,同时比具有截止体的承受弹簧负载的机械止回阀更有利、更轻并且具有更小的空间需求。
在另一个有利的扩展构型中,从过滤元件以及必要时止回阀排出的空气流可引入到通道中,所述空气流在所述通道中首先转向并且然后才引导到周围环境中。在此,通道形成防止水浸入、污染和机械受损的附加保护装置,其方式是所述通道形成空气排出口之前的一种防溅壁,附加地,通过使空气流转向,消声作用进一步提高。
在此,通道可具有仅一个、但也可具有两个或多个排出口,所述排出口可以以彼此相对不同的角度来布置。由此,例如对于排出口可有目的地选择特别是被保护防止喷溅水的方向。
在另一个扩展构型中,用于对电机单元进行供电的电连接插头直接集成地设置在电机单元上或泵壳体中。被证实特别有利的是在配置与电机单元的电接触的同时在泵壳体上这样集成连接插头,使得所述电接触在电机- 泵总成装配期间在泵壳体与电机单元接合在一起时自动地且强制地实现——例如借助于在两个部件中布置在确定位置上的相对应的插接或弹簧触点。由此,装配得到明显简化,处理步骤减少并且例如由于忘记接触或缆线受损而造成的装配误差得到避免。
附图说明
本实用新型的其它细节、特征、优点和应用可能性结合说明书并且借助于附图得到。彼此一致的部件和结构元件尽可能设置有相同的参考标号。
所述类型电机-泵总成的基本功能在此在很大程度上不再予以详细描述,因为已经充分公知。下面示出:
图1双膜片泵的公知实施形式。
图2电机-泵总成的根据本实用新型的第一实施形式,带有部分断面。
图3根据图2的实施形式的***单元的放大视图。
图4根据本实用新型的电机-泵总成的立体视图。
图5电机-泵总成的另一个根据本实用新型的实施形式的立体视图和所属连接插头的放大视图。
具体实施方式
图1:
图1示出了构造成双膜片泵的电机-泵总成的已知实施形式。电机单元 3通过偏心传动装置4驱动两个连杆21,所述连杆将运动传递给两个彼此对置布置的膜片2。泵壳体5从两侧分别通过工作室盖6封闭。在每个工作室盖6与泵壳体5之间对空气密封地各夹紧弹性体膜片2,由此,分别在膜片2与工作室盖6之间形成具有可变容积的工作室7。每个工作室盖6 构造成多件式,具有上盖8和下盖9以及布置在上盖8与下盖9之间的未示出的进入阀10和排出阀11,所述进入阀和排出阀控制通过工作室7的空气循环。到进入阀的空气由中央的布置在泵壳体5上的空气连接端23 通过未示出的集成在泵壳体5中的空气通道引入。空气由排出阀通过另外的通道引导到泵壳体5的内部空间中并且从那里通过布置在泵壳体5上的空气排出单元22引导到大气中。电驱动装置通过从电机单元3伸出来的缆线导线24被供应以电流并且被控制。
图2:
图2示出了电机-泵总成1的根据本实用新型的第一实施形式。与根据图1的已知实施形式不同,电机-泵总成1具有仅一个单个的膜片2。所述膜片通过单个的连杆21而移动,所述连杆由电动的电机单元3通过具有单个偏心轮的偏心传动装置4驱动。成形在偏心轮上的平衡重25用于相对于连杆21进行质量平衡并且因此负责降低运行中的振动。
泵壳体5在一侧与电机单元3接合在一起并且螺纹连接,在另一侧,即在图中在上侧,由工作室盖6封闭。膜片2在其径向外部边缘上密封地夹紧在工作室盖6与泵壳体5之间。在此,膜片边缘上的凸缘压入到泵壳体5中的环绕的圆形槽中。
工作室盖6构造成多件式并且具有上盖8和下盖9。在上盖8与下盖9 之间布置有进入阀10和排出阀11,所述进入阀和排出阀两者构造成弹性的薄片阀。
在上盖8上布置有用于连接例如制动助力器的气动连接端12以及***单元13。在所示实施形式中,为此所需的空间构造被设计成上盖8的一体化组成部分。
图3:
图3放大地绘制了图2的***单元。***单元13基本上满足两个功能。第一,所述***单元用于降低从工作室7排出的空气流中的声音。为此目的,所述***单元具有由多孔材料制成的过滤元件14,其中,过滤元件14在很大程度上占据***单元13的整个内部空间。
第二,***单元13阻止水从电机-泵总成1的周围环境浸入。为此目的,在***单元13中设置有止回阀15,所述止回阀作为与方向相关的截止装置布置在过滤元件14与周围环境、即大气之间。为了排出空气,***元件13在壁中具有空气排出口16,在此,止回阀15卡紧在过滤元件14与具有空气排出口16的壁之间。止回阀由弹性体材料构造并且具有唇形阀,所述唇形阀成形为所谓的鸭嘴阀。当在膜片2的行程期间空气从工作室7排出时,阀的唇由于在过滤器侧较高的空气压力而弹性预张紧地打开并且一旦阀两侧的空气压力又平衡就通过所建立的预张紧力而闭合。
从***单元13的空气排出口16排出的空气进入通道17中,在那里,空气经转向并且通过两个彼此对置的排出口18、19(参见图4)最后从电机-泵总成1排出到周围环境中。通道17不仅附加于使空气流转向改善声音降低,而且改善防水保护,其方式是所述通道用作空气排出口16之前的防溅壁。
在所绘制的实施形式中,通道17具有整平的基本上矩形的横截面并且通过一种成形在***单元13上的在两侧敞开的罩形成。但在本实用新型之内,通道17可构造有任意的横截面和走势,具有仅一个或两个以上排出口18、19,所述排出口此外不是必须彼此对置,而是可以相对于彼此以不同于180°的角度布置。
图4:
图4中绘制了根据本实用新型的电机-泵总成1的前面所述的实施形式,用于以立体视图进行解释。可以注意到用于对电机单元3供给以电流以及可能情况下供给以控制信号的电连接插头20,所述电连接插头直接布置在电机单元3上。连接插头20形成用于车辆整车电路网络的接口。
图5:
在图5中所绘制的另外的根据本实用新型的实施形式中,连接插头20 集成在泵壳体5中。在此,在泵壳体5内部在连接插头20与电机单元3 之间的(未示出的)接触这样构造,使得所述接触在装配电机-泵总成1期间在电机单元3与泵壳体5接合在一起时自动地且强制地实现——例如借助于在两个部件中布置在确定位置上的相对应的插接或弹簧触点。
参考标号
1 电机-泵总成
2 膜片
3 电机单元
4 偏心传动装置
5 泵壳体
6 工作室盖
7 工作室
8 上盖
9 下盖
10 进入阀
11 排出阀
12 连接端
13 ***单元
14 过滤元件
15 止回阀
16 空气排出口
17 通道
18 输出口
19 输出口
20 连接插头
21 连杆
22 空气排出单元
23 空气连接端
24 电缆
25 平衡重
Claims (12)
1.一种电机-泵总成(1),用于对气动制动助力器进行低压供给,其中:
-所述电机-泵总成(1)构造成具有单个的弹性体膜片(2)的膜片泵,
-所述膜片(2)通过电动运行的电机单元(3)借助于偏心传动装置(4)移动,
-所述电机-泵总成(1)具有泵壳体(5)和工作室盖(6),所述膜片(2)在其径向外部边缘上密封地卡紧在所述泵壳体(5)与所述工作室盖(6)之间,由此,在所述膜片(2)与所述工作室盖(6)之间形成具有可变容积的工作室(7),
-所述工作室盖(6)构造成多件式,具有上盖(8)和下盖(9)以及布置在所述上盖(8)与所述下盖(9)之间的进入阀(10)和排出阀(11),所述进入阀和排出阀控制通过所述工作室(7)的空气循环。
2.根据权利要求1所述的电机-泵总成(1),其特征在于:设置有用于将空气引入到所述工作室(7)中的气动连接端(12)以及用于将空气从所述工作室(7)降低噪声地排出到大气中的***单元(13),其中,所述连接端(12)和所述***单元(13)布置在所述工作室盖(6)上。
3.根据权利要求2所述的电机-泵总成(1),其特征在于:所述连接端(12)和所述***单元(13)一体化地与所述工作室盖(6)连接。
4.根据权利要求2所述的电机-泵总成(1),其特征在于:所述***单元(13)具有由多孔材料制成的过滤元件(14)和止回阀(15),其中,所述止回阀(15)在空气流动方向上布置在所述过滤元件(14)与大气之间。
5.根据权利要求4所述的电机-泵总成(1),其特征在于:所述止回阀(15)由弹性体材料制成,构造成唇形阀。
6.根据权利要求4所述的电机-泵总成(1),其特征在于:所述止回阀(15)在所述***单元(13)中卡紧在所述过滤元件(14)与具有空气排出口(16)的壁之间。
7.根据权利要求4所述的电机-泵总成(1),其特征在于:设置有用于使从所述止回阀(15)排出的空气流转向的通道(17)。
8.根据权利要求7所述的电机-泵总成(1),其特征在于:所述通道(17)被构造用于使空气流在至少两个不同的方向上转向,其方式是所述通道具有不同指向的输出口(18,19)。
9.根据权利要求1所述的电机-泵总成(1),其特征在于:在所述泵壳体(5)中集成地设置有用于对所述电机单元(3)进行供电的电连接插头(20)。
10.根据权利要求9所述的电机-泵总成(1),其特征在于:在所述泵壳体(5)与所述电机单元(3)接合在一起时在所述连接插头(20)与所述电机单元(3)之间强制地自动地产生电接触。
11.根据权利要求1所述的电机-泵总成(1),其特征在于:用于对所述电机单元(3)进行供电的电连接插头(20)布置在所述电机单元(3)上。
12.根据权利要求5所述的电机-泵总成(1),其特征在于:所述止回阀(15)构造成鸭嘴阀。
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DE102015205059.9A DE102015205059A1 (de) | 2015-03-20 | 2015-03-20 | Motorpumpenaggregat mit einer einzelnen elastischen Membran |
DE102015205059.9 | 2015-03-20 | ||
PCT/EP2016/055556 WO2016150763A1 (de) | 2015-03-20 | 2016-03-15 | Motorpumpenaggregat mit einer einzelnen elastischen membran |
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CN109538451B (zh) * | 2019-01-14 | 2024-03-26 | 沈阳远大压缩机有限公司 | 超高压隔膜压缩机液压引导式密封膜头 |
US11767840B2 (en) | 2021-01-25 | 2023-09-26 | Ingersoll-Rand Industrial U.S. | Diaphragm pump |
CN115095510B (zh) * | 2022-07-19 | 2023-06-23 | 兰州工业学院 | 一种隔膜压缩机 |
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US4743169A (en) * | 1984-08-25 | 1988-05-10 | Aisin Seiki Kabushiki Kaisha | Diaphragm-type vacuum pump device |
US5017100A (en) * | 1990-04-09 | 1991-05-21 | Arkans Edward J | Integral pump and check valve apparatus |
DE4118652C2 (de) * | 1991-02-02 | 1996-09-26 | Knf Neuberger Gmbh | Pumpe, vorzugsweise Membranpumpe |
US5782621A (en) * | 1996-04-22 | 1998-07-21 | Mission Pharmacal Company | Manual pump with inherent vacuum limit |
DE19912926A1 (de) | 1999-03-22 | 2000-09-28 | Bock Gmbh & Co Kaeltemaschinen | Kolbenverdichter für Kältemittel |
DE29919188U1 (de) * | 1999-11-02 | 2000-01-27 | Sp Juergen Schwarzer Gmbh U Co | Membranpumpe |
JP2002371968A (ja) | 2001-06-12 | 2002-12-26 | Techno Takatsuki Co Ltd | 電磁振動型ポンプおよびポンプユニット |
DE102007005019A1 (de) | 2006-05-18 | 2007-12-06 | Continental Teves Ag & Co. Ohg | Membranpumpe |
DE102009054502A1 (de) * | 2008-12-19 | 2010-06-24 | Continental Teves Ag & Co. Ohg | Motor-Pumpenaggregat |
DE102010013106A1 (de) * | 2010-03-26 | 2011-09-29 | Thomas Magnete Gmbh | Pumpe |
WO2013113902A1 (de) | 2012-02-01 | 2013-08-08 | Continental Teves Ag & Co. Ohg | Elektromotorisch antreibbares pumpenaggregat |
BR102012025279B1 (pt) * | 2012-10-03 | 2021-09-21 | Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda | Compressor de refrigeração tendo um sistema de descarga de gás |
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US20180073500A1 (en) | 2018-03-15 |
US10508649B2 (en) | 2019-12-17 |
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KR20170108166A (ko) | 2017-09-26 |
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