CN102712308B - 具有铁心套筒的电磁阀及用于其焊接的方法 - Google Patents

具有铁心套筒的电磁阀及用于其焊接的方法 Download PDF

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CN102712308B
CN102712308B CN201080061060.4A CN201080061060A CN102712308B CN 102712308 B CN102712308 B CN 102712308B CN 201080061060 A CN201080061060 A CN 201080061060A CN 102712308 B CN102712308 B CN 102712308B
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H·古根莫斯
M·迪纳曼
A·文策尔
D·弗希
M·许尔拉
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Robert Bosch GmbH
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements 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
    • B60T8/34Arrangements 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
    • B60T8/36Arrangements 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
    • B60T8/3615Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • B60T8/363Electromagnetic valves specially adapted for anti-lock brake and traction control systems in hydraulic systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements 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
    • B60T8/34Arrangements 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
    • B60T8/36Arrangements 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
    • B60T8/3615Electromagnetic valves specially adapted for anti-lock brake and traction control systems
    • 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
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644One-way valve
    • F16K31/0655Lift valves
    • F16K31/0665Lift valves with valve member being at least partially ball-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/21Bonding by welding
    • B23K26/24Seam welding
    • B23K26/28Seam welding of curved planar seams
    • 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
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/06Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
    • F16K31/0644One-way valve
    • F16K31/0655Lift valves

Abstract

本发明涉及一种具有铁心套筒(3)的电磁阀(1),在铁心套筒中沿纵向移动地设置阀门元件(4),所述电磁阀还具有至少一个包覆铁心套筒(3)的壳体套筒(11),该壳体套筒借助于从外部实现的焊接部与铁心套筒(3)连接。规定,在构成至少一个无焊接区(19)的情况下在壳体套筒(11)的一个圆周区段或多个圆周区段上形成焊接部(13)。此外,本发明还涉及一种用于焊接电磁阀(1)的这种铁心套筒(3)与壳体套筒(11)的方法,其中在留出至少一个无焊接区(19)的情况下在壳体套筒(11)的一个圆周区段或多个圆周区段上实现焊接部(13)。

Description

具有铁心套筒的电磁阀及用于其焊接的方法
技术领域
本发明涉及一种具有铁心套筒的电磁阀,在所述铁心套筒中沿纵向可移动地设置阀门元件,所述电磁阀还具有至少一个包覆铁心套筒的壳体套筒,该壳体套筒借助从外部进行的焊接与铁心套筒连接。本发明还涉及一种用于焊接的方法。
背景技术
已知开头部分所述类型的电磁阀。电磁阀被使用例如作为车辆制动系统的液压装置内的控制阀和调节阀,这些电磁阀具有铁心套筒,在该铁心套筒中沿纵向可移动地设置阀门元件,以及其中铁心套筒由壳体套筒包覆。壳体套筒一般情况下由板材构成,该板材与通常由钢制成的铁心套筒相互焊接以使两个部件不可分开地连接。通过这种焊接可以节省高成本的连接元件。该焊接在一般情况下在外圆周上沿周向进行,并具有一定程度的焊缝重叠,也就是以>360°的圆周角进行。为进行焊接,铁心套筒和壳体套筒必须彼此紧贴,以便将输入的能量转换成焊缝的形成。为了形成焊接,壳体套筒连同所要焊接的铁心套筒在周向上沿焊接装置转动,或焊接装置必须环绕电磁阀运动。在此,在铁心套筒与壳体套筒相对彼此的布置方面要求很高的精度,同样地,环绕焊接由于必需的旋转在结构方面很昂贵以及所需的加工时间方面很耗时。
发明内容
通过有利的方式可以减少加工时间以及降低所需的加工精度。为此提出一种具有铁心套筒的电磁阀,在所述铁心套筒中沿纵向移动地设置阀门元件,所述电磁阀还具有至少一个包覆铁心套筒的壳体套筒,该壳体套筒借助于从外部实现的焊接部与铁心套筒连接。在此规定,在构成至少一个无焊接区的情况下在壳体套筒的一个圆周区段或多个圆周区段上形成焊接部。与现有技术相反的是,焊接部的实施不是环绕的或这甚至在周向上重叠(以>360°的角),而是在壳体套筒的一个圆周区段或多个圆周区段上实施的。因此焊接部不是连续地构成的,而是在构成至少一个无焊接区的情况下实现的。在此特别规定,对壳体套筒的多个圆周区段进行焊接,并且将多个圆周区段构造为无焊接区,也就是说沿周向贯穿,即例如接在焊接部后面的是一个无焊接区,在该无焊接区后面再接一个焊接部,并且其后面再接一个无焊接区。由此明显减少所需的加工时间。与此同时在铁心套筒与壳体套筒之间构成了可以保持应用目的的连接。
优选地,焊接部是激光焊接部,也就是通过借助于激光焊接装置从外部实现焊接部的类型和方式将焊接部构造为激光焊接部。
在一种优选的实施方式中规定,铁心套筒与壳体套筒之间的径向距离在无焊接区中比在至少一个邻接的、具有焊接部的焊接区中更大。在这种实施方式中,可以构成铁心套筒与壳体套筒的可靠焊接,而不会由于向壳体套筒中输入能量,而在铁心套筒与壳体套筒之间的径向间距仅略大的区域中产生不希望的热负荷或甚至例如由于烧穿而造成损伤直至毁坏壳体套筒。
当需要通过由电磁阀接入的介质环绕冲洗铁心套筒时,或者当希望直径减小以实现形状匹配,例如为了引导铁心套筒时,则例如需要这种更大的径向间距。这种直径减小可以存在于完全不同于例如圆形的截面形状中,例如以压扁部的形式,或在任意方向上,优选地在轴向上确定的加工出的槽的形式。在壳体套筒的轴向长度上观察,根据加大的径向间距的设置,例如也可以将无焊接区和焊接部不设置在同一轴向高度上,而是例如设置在不同的轴向高度上或多个轴向高度上。
此外,还提出一种用于焊接电磁阀的铁心套筒与电磁阀的包覆铁心套筒的壳体套筒焊接的方法,在所述铁心套筒中沿纵向移动地设置阀门元件,其中为将铁心套筒与壳体套筒连接从外部实现焊接部。为此规定,在留出至少一个无焊接区的情况下在壳体套筒的一个圆周区段或多个圆周区段上实现焊接部。因此,该焊接部不是在圆周上连续环绕地进行的,而是分段进行的,即壳体套筒的至少一个圆周段具有焊接部,而壳体套筒的至少一个其它圆周区段不被焊接,也就是具有无焊接区。
在另一种优选的实施方式中,焊接部是激光焊接部。
其他有利的实施方式由从属权利要求和它们的组合得到。
附图说明
下面根据实施例对本发明进行详细说明,而不对本发明进行限制。
其中:
图1以局部纵剖视图示出了电磁阀的视图;以及
图2示出了电磁阀在焊接区域内的横截面。
具体实施方式
图1示出了电磁阀1,即无电流打开的所谓的吸入阀2。电磁阀1具有铁心套筒3,在该铁心套筒中沿纵向移动地设置阀门元件4,以及其中阀门元件4被构造为具有端面阀门挺杆6的衔铁5,该阀门挺杆与在阀体7中沿轴向设置的位于径向中心的阀座8共同作用以打开和关闭电磁阀1。在此,衔铁5被参照衔铁5与阀门挺杆6对置地设置在衔铁上的磁极铁芯9操纵,该磁极铁芯由电磁铁的在这里未示出的线圈体至少部分地搭接,以及该磁极铁芯用于导入磁力以操纵衔铁5,并由此操纵阀门挺杆6以打开或闭锁在电磁阀1内未示出的介质的体积流量。为了向外密封,电磁阀由壳体10包围,该壳体在壳体套筒11的铁心套筒3的区域内以及在阀门挺杆6的大致沿轴向延伸观察的区域内设有与壳体套筒连接的壳体封闭部12用于将电磁阀1装入未示出的阀体内。为将壳体套筒11密封地固定在铁心套筒3上,在剖切线A-A的区域中设置焊接部13,其作为激光焊接部14在壳体套筒11罩在铁心套筒3上之后从外部实施。壳体套筒11借助于焊接部13在所示的位置上与铁心套筒3焊接。
图2以在图1所示剖切线A-A的区域中的横截面示出了电磁阀1。壳体套筒11环绕铁心套筒3,其中壳体套筒内壁15以非常小的距离或优选在直接接触位置上与铁心套筒外壁16相对。在轴向上,如在12点钟位置所示,在铁心套筒3中,即在铁心套筒外壁16中沿径向向内朝向中心18加工出槽17。壳体套筒11与铁心套筒3之间,大致在1点钟位置与11点钟位置之间的区域中作为激光焊接部14从外部设置焊接部13,从而使铁心套筒3和壳体套筒11在该区域内相互焊接。在大致11点钟位置与1点钟位置之间,在一定程度上留出槽17的区域,构成了无焊接区19。在该无焊接区19的区域内,不对壳体套筒11进行能量输入(激光焊接是从外部穿过壳体套筒11在对铁心套筒3的热作用下进行的)。通过这种方式,非常有利地避免了在剖切线A-A的区域中铁心套筒3不同于壳体套筒11内部几何形状的区域中的,特别是在槽17的区域中对壳体套筒11的热损伤,特别是烧穿。

Claims (4)

1.一种具有铁心套筒(3)的电磁阀(1),在所述铁心套筒中沿纵向移动地设置阀门元件(4),所述电磁阀还具有至少一个包覆铁心套筒(3)的壳体套筒(11),该壳体套筒借助于从外部实现的焊接部(13)与铁心套筒(3)连接,其中在构成至少一个无焊接区(19)的情况下在壳体套筒(11)的一个圆周区段或多个圆周区段上形成所述焊接部(13),其特征在于,所述铁心套筒(3)与壳体套筒(11)之间的径向距离在所述无焊接区(19)中比在至少一个邻接的、具有焊接部(13)的焊接区中更大。
2.按照权利要求1所述的电磁阀(1),其特征在于,所述焊接部(13)是激光焊接部(14)。
3.用于将电磁阀(1)的铁心套筒(3)与电磁阀(1)的包覆所述铁心套筒(3)的壳体套筒(11)焊接的方法,在所述铁心套筒中沿纵向移动地设置阀门元件(4),其中为将铁心套筒(3)与壳体套筒(11)连接从外部实现焊接部(13),其中在留出至少一个无焊接区(19)的情况下在壳体套筒(11)的一个圆周区段或多个圆周区段上实现所述焊接部(13),其特征在于,所述铁心套筒(3)与壳体套筒(11)之间的径向距离在所述无焊接区(19)中比在至少一个邻接的、具有焊接部(13)的焊接区中更大。
4.按照权利要求3所述的方法,其特征在于,所述焊接部(13)是激光焊接部(14)。
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US20120280158A1 (en) 2012-11-08
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