CN103118912A - 泵以及制造泵的方法 - Google Patents

泵以及制造泵的方法 Download PDF

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CN103118912A
CN103118912A CN2011800460226A CN201180046022A CN103118912A CN 103118912 A CN103118912 A CN 103118912A CN 2011800460226 A CN2011800460226 A CN 2011800460226A CN 201180046022 A CN201180046022 A CN 201180046022A CN 103118912 A CN103118912 A CN 103118912A
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O·格特纳
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B7/00—Piston machines or pumps characterised by having positively-driven valving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/36—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition including a pilot valve responding to an electromagnetic force
    • B60T8/3615—Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/3675—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units
    • B60T8/368—Electromagnetic valves specially adapted for anti-lock brake and traction control systems integrated in modulator units combined with other mechanical components, e.g. pump units, master cylinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/40—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition comprising an additional fluid circuit including fluid pressurising means for modifying the pressure of the braking fluid, e.g. including wheel driven pumps for detecting a speed condition, or pumps which are controlled by means independent of the braking system
    • B60T8/4031—Pump units characterised by their construction or mounting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/34—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition
    • B60T8/46—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration having a fluid pressure regulator responsive to a speed condition the pressure being reduced by exhausting fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
    • B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
    • B62D65/12—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components the sub-units or components being suspensions, brakes or wheel units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0421—Cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F04B53/162—Adaptations of cylinders
    • F04B53/166—Cylinder liners
    • F04B53/168—Mounting of cylinder liners in cylinders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49229—Prime mover or fluid pump making
    • Y10T29/49236—Fluid pump or compressor making

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
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  • Electromagnetism (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Reciprocating Pumps (AREA)

Abstract

本发明涉及一种制造泵(10)、特别是用于车辆制动设备的泵的方法，其具有以下步骤：提供泵壳(30)；在泵壳(30)中从所述泵壳(30)中的设有用于容纳驱动偏心轮的偏心轮孔(46)的区域起构造盲孔(44)；从所述偏心轮孔(46)的区域起将泵缸(32)插入所述盲孔(44)中；以及从所述偏心轮孔(46)的区域起在所述盲孔(44)中固定所述泵缸(32)。本发明还包括一种如此构成的泵。

Description

泵以及制造泵的方法
技术领域
本发明涉及一种泵、特别是用于车辆制动设备的泵，以及一种用于制造这种泵的方法。
背景技术
从文献DE 199 28 913 A1中已知一种泵，在该泵中，在泵壳中由可移动地支承在泵缸中的泵活塞形成单个的泵元件或泵单元。在此，泵活塞通过输入孔将制动流体吸入泵缸中并且通过输出孔将制动流体从泵缸中排出。
发明内容
本发明的目的为，提供一种方法，借助该方法可特别成本适宜地制造并装配这种泵。
根据本发明，提供一种泵以及一种制造泵、特别是用于车辆制动设备的泵的方法，在该方法中，提供泵壳，在泵壳中从泵壳中的设有用于容纳驱动偏心轮的偏心轮孔的区域起构造盲孔，从偏心轮孔的区域起将泵缸插入该盲孔中，并且从偏心轮孔的区域起在盲孔中固定泵缸。
利用根据本发明的方法，可借助于偏心轮驱动的活塞泵的泵元件或泵单元从相关的偏心轮孔的区域起装配到盲孔中。该方法与至今为止的制造方法相反，在至今为止的制造方法中将泵元件插入通孔中，该通孔从外部被构造到泵壳中直至进入偏心轮孔中。之后，必须从外部封闭该通孔，这通常借助于压密实现。此时，在该压密部的后面，在泵壳中存在泵元件的高压区域，从而相关的压密部相应地承受高压。相反地，利用根据本发明的解决方案，泵元件在盲孔的存在低压区域的端部处固定在该盲孔中。相应地，在该处固定装置的压力负荷也较小。
根据本发明，有利地，在将泵缸插入盲孔中之前已经将排出阀的部件插入盲孔中。
在该改进方案中，在紧接着将泵元件自身连同其泵缸以及通常也连同预装配在该泵缸中的泵活塞插入盲孔中之前，首先将排出阀的部件安置在盲孔的底部区域处。优选地，排出阀的如此被插入的部件特别是用于弹性地预紧阀体的阀弹簧以及用于选择性地封闭阀孔的阀体。与此相反地，有利地将阀孔自身构造在泵缸上，从而通过将泵缸插入盲孔中完成该排出阀。
优选地，泵缸借助于拉深制成，即制成拉深件。
对于根据本发明装配的泵缸的制造来说，拉深是特别成本适宜的方法。如此制造的泵缸虽然特别地设计成薄壁的并且由此基本上很少能承受压力负荷。但是，通过以如下方式装置泵缸，即，使该泵缸利用其壁贴靠或支撑在周围的阀壳上，拉深的泵缸仍还可抵抗大的径向作用力。
此外有利地，在泵缸中构造至少一个孔，特别是时间上在泵缸的拉深步骤之前。
如此构造的孔优选地用作排出阀的排出孔或阀孔。特别有利地，该孔在此后为杯形的泵缸的底部处成形出。此外，该孔优选地用作泵缸的进入孔、即用作泵活塞通过其将流体吸入泵缸中的孔。特别有利地，泵缸的这种类型的进入区域设计成带有多个单个的孔，从而在此后优选成形为杯形的泵缸的周面中形成一个滤网。
优选地，泵缸构造成带有环形壁和底面的杯形形状。
有利地，这种杯形的泵缸在装配期间也已经用作容纳部，其用于预装配相关的泵缸的部件。因此，得到预装配的部件，其随后可在一个工序中被插入泵缸中。
替代地或附加地，泵缸优选地设计成带有面对偏心轮孔区域的环形盘。
如此以成本适中的方式形成到泵缸的环形壁上的环形盘优选地用于支撑相邻的密封环。
优选地，泵缸设计成也带有面对偏心轮孔区域的环形台阶。
这种可同样几乎没有附加成本地制造的环形台阶特别是用于容纳在泵缸的内侧和泵活塞的外侧之间密封的密封环。那么，必要时该密封环还可在泵缸中与泵活塞一起形成待预装配的部件。在已如此预装配的状态下，密封环可被推入泵壳的盲孔中，而不会受到损坏。在该安装情况下，该密封环在径向外侧被环形台阶覆盖并且相应地在环形台阶之内受到保护。
有利地，泵缸借助于置于盲孔中的导向环固定，该导向环也用于轴向地对可在泵缸中移动的泵活塞进行导向。
如此装配的导向环实现双重作用。首先，其在泵活塞之内的轴向移动时用作用于泵活塞的进行径向支撑的导向元件。第二，该导向环用作保持环。其防止，泵缸可在盲孔中轴向移动。
此外，泵缸优选地借助于压密、特别是借助于导向环的压密固定在盲孔中。
压密的工序是即使在批量制造时也能过程可靠地实施的方法。利用该方法，可以成本适宜的方式确保在泵的使用寿命期间所需的保持力。这特别是以上解释的情况，因为压密部位于泵元件的低压侧上。
优选地，借助于穿过当时已经构造的偏心轮孔而构造成的孔，构造盲孔。
在该改进方案中，首先钻出偏心轮孔，并且随后穿过该偏心轮孔来制造盲孔。在此，该盲孔也可构造在阀壳的位于很内部的区域中。
特别是借助于堵塞的压入，使盲孔优选地在泵壳的外侧处封闭。
利用如此的封闭，阀壳在其外侧处也持久地密封并且防止可能的制动流体漏出。
附图说明
下面根据示意性的附图详细解释根据本发明的解决方案的实施例。其中：
图1示出了根据现有技术的泵的纵向剖视图，
图2示出了在已装配的状态下根据本发明的带有泵缸的泵的实施例的纵向剖视图，
图3示出了在图2中的细节III。
具体实施方式
在图1中示出了用于未详细示出的车辆液压制动设备的活塞泵形式的泵10，其用于产生在车辆制动设备中的制动流体的流体压力。该泵10具有制成旋转件的、杯形的泵缸12，在该泵缸12中，泵活塞16以可克服螺旋弹簧14移动的方式支承。该泵活塞16通过构造在泵缸12的底部区域中的、排出阀18的圆形的阀孔17将制动流体输送到随后的流出部20中。排出阀18具有利用螺旋弹簧21弹性预紧的关闭体22。为了将制动流体吸入泵缸12中，在该泵缸12的周边处设置作为独立部件的环形过滤器24，在流动方向上，在该环形过滤器24之后是布置在泵活塞16上的进入阀26。泵活塞16在其低压侧上借助于密封环28相对于泵壳30密封。
在图2和3中示出了根据本发明的泵10，其中，借助于拉深制成相关的泵缸32。基于作为坯件的板材，实施该拉深过程，其中，特别是形成带有环形壁34和底面36的杯形的基础形状。该环形壁34设计得相对较薄，因而易于鼓起，但是该环形壁34利用其外侧大面积地贴靠在泵壳30中，从而压力被传递到泵壳30上。
在坯件的薄壁材料上，在拉深之前，在底面36的区域中冲制出用于排出阀18的阀孔38并且在环形壁34的区域中冲制出多个相对较小的输入孔40。利用这些输入孔40，在之后完成拉深的泵缸32上制成一个滤网，可为其输入过滤流入的制动流体。
在环形壁34的与底面36相对的端部处，在拉深时已经构造了环形台阶42。从环形台阶42起，环形盘39径向地覆盖密封环28并且另一环形壁41还轴向地覆盖该密封环28。以这种方式保护密封环28不受外部的机械影响。
如下制造根据图2和图3的泵10：首先提供泵壳30并且在该泵壳30中已经构造了带有底部45、第一台肩47、第二台肩49和第三台肩51的盲孔44。在此，该盲孔44从方形的泵壳30的表面起延伸到泵壳30中并且穿过偏心轮孔46的一个区域，该偏心轮孔可选地在盲孔44之前或之后构造在泵壳30中。该偏心轮孔46用于在泵10的运行中容纳未详细示出的用于泵活塞16的驱动偏心轮。
之后，将拉深的泵缸32插入盲孔44中，该泵缸32的底面36靠在台肩47上并且其环形台阶42靠在台肩49上。泵缸32在其敞开的端部处借助于压密部48固定在台肩51处，该台肩51位于盲孔44的朝向偏心轮孔46敞开的端部区域处。在此，利用该压密部48使横截面为L形的导向环50通过被压密的材料保持在盲孔44中，该导向环50之前已经被套到泵活塞16上并且在端侧靠在拉深的泵缸32的另一环形壁41上。
在布置泵缸32之前，在盲孔44的基部上在其底部45和泵缸32的底面36之间还插入了排出阀18的部件、即其螺旋弹簧21和其关闭体22。
在结束泵缸32特别是与预装配在该泵缸中的相关的泵活塞16的装配之后，借助于堵塞52封闭该盲孔44，堵塞52在泵壳30的外侧处被压入盲孔44中。

Claims (11)

1.一种泵(10)、特别是用于车辆制动设备的泵，所述泵具有
-泵壳(30)，
-在所述泵壳(30)中的盲孔(44)，所述盲孔从所述泵壳(30)中的设有用于容纳驱动偏心轮的偏心轮孔(46)的区域起构造，以及
-从所述偏心轮孔(46)的区域起被插入所述盲孔(44)中的泵缸(32)，该泵缸从所述偏心轮孔(46)的区域起固定在所述盲孔(44)中。
2.按照权利要求1所述的泵，其中，在所述盲孔(44)的底部(45)之间设置排出阀(18)的部件(21；22)。
3.按照权利要求1或2所述的泵，其中，所述泵缸(32)为拉深件。
4.按照权利要求1至3中任一项所述的泵，其中，所述泵缸(32)构造成带有环形壁(34)和底面(36)的杯形。
5.按照权利要求1至4中任一项所述的泵，其中，所述泵缸(32)设计成带有面对所述偏心轮孔(46)的区域的环形盘(39)。
6.按照权利要求1至5中任一项所述的泵，其中，所述泵缸(32)借助于置于所述盲孔(44)中的用于轴向地对能在泵缸(32)中移动的泵活塞(16)进行导向的导向环(50)固定。
7.一种制造泵(10)、特别是用于车辆制动设备的泵的方法，所述方法具有以下步骤：
-提供泵壳(30)，
-从在所述泵壳(30)中的设有用于容纳驱动偏心轮的偏心轮孔(46)的区域起构造盲孔(44)，
-从所述偏心轮孔(46)的区域起将泵缸(32)插入所述盲孔(44)中，以及
-从所述偏心轮孔(46)的区域起在所述盲孔(44)中固定所述泵缸(32)。
8.按照权利要求7所述的方法，具有以下步骤：在将所述泵缸(32)插入所述盲孔(44)中的步骤之前将排出阀(18)的部件设置在所述盲孔(44)中。
9.按照权利要求7或8所述的方法，具有以下步骤：借助于拉深构造所述泵缸(32)。
10.按照权利要求7至9中任一项所述的方法，具有以下步骤：在所述泵缸(32)中构造至少一个孔(38；40)，特别是时间上在所述泵缸(32)的拉深步骤之前。
11.按照权利要求7至10中任一项所述的方法，具有以下步骤：借助于穿过当时已经构造的偏心轮孔(46)而构造成的孔，构造所述盲孔(44)。
CN201180046022.6A 2010-09-24 2011-07-27 泵以及制造泵的方法 Expired - Fee Related CN103118912B (zh)

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