CN108622053B - 制动系统用电磁阀 - Google Patents
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- 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
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- 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
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- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
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Abstract
本发明公开制动系统用电磁阀。本发明的实施例包括收纳于具备流入流路及排出流路的调制器模块的孔的过滤器部件和固定于结合到过滤器部件的磁芯的通孔并具备节流孔的阀座及开闭节流孔的柱塞,在过滤器部件的中央,形成有连接流路的轮毂部插入阀座的内侧,在连接流路的下部配置有通过所供给的油的压力而进行升降移动且在中央具备以贯穿的方式形成的垂直孔的柱塞阀,在连接流路的下端具备柱塞阀座部,该柱塞阀座部具备比连接流路更大的直径,使得在柱塞阀进行升降移动时柱塞阀的外表面选择性地进行接触。
Description
技术领域
本发明涉及制动系统用电磁阀,更具体地,涉及在进行制动动作时能够提高响应性的制动系统用电磁阀。
背景技术
车辆中必然安装有用于制动的油压制动系统,最近提出了用来获得更强力且稳定的制动力的多种系统。作为油压制动系统的一例,具有在制动时防止车轮的滑动的防抱死制动系统(ABS:Anti-Lock Brake System)和在车辆的急启动或急加速时防止驱动轮的滑动的制动牵引力控制系统(BTCS:Brake Traction Control System)和将防抱死制动系统和牵引力控制组合而控制制动液压,从而稳定地保持车辆的行驶状态的车辆姿势控制系统(ESC:Electronic Stability Control System:电子稳定控制系统)等。
另外,在车辆姿势控制系统的情况下,在进行制动器的制动及解除时需要一定水平的油量传递,为了实现这样的系统,进行电子控制的多个电磁阀设于调制器模块。
在制动器进行制动时所需的油量与车辆的制动响应性相关,特别是,越是大型车辆,越需要更多的油量。因此,最近持续地研究用于扩大确保通过电磁阀的油量的结构。
现有技术文献
专利文献
韩国授权专利第1536190号(2015.07.30公告)
发明内容
本发明的实施例提供一种能够提高制动响应性的制动系统用电磁阀。
根据本发明的一侧面,提供一种制动系统用电磁阀,其包括:过滤器部件,其收纳于具备流入流路及排出流路的调制器模块的孔;磁芯,其与所述过滤器部件结合并形成有在长度方向上贯穿的通孔;套管,其结合到所述磁芯的外表面;电枢,其设于所述套管内;阀座,其固定于所述通孔并具备节流孔;柱塞,其以通过所述电枢的动作而进行升降移动来开闭所述节流孔的方式配置于所述通孔;及复位弹簧,其将所述柱塞向所述电枢侧施压,在所述过滤器部件的中央形成有轮毂部,该轮毂部通过所述阀座的下端开口插入到所述阀座的内侧,并以贯穿的方式形成有连接流路,该连接流路连通所述节流孔和所述排出流路,在所述连接流路的下部配置有柱塞阀,该柱塞阀通过所供给的油的压力而进行升降移动且在中央具备以贯穿的方式形成的垂直孔,在所述连接流路的下端形成有柱塞阀座部,该柱塞阀座部具备大于所述连接流路的直径,使得在所述柱塞阀进行升降移动时所述柱塞阀的外表面选择性地进行接触。
另外,所述柱塞阀座部随着靠近下方而渐渐变宽。
另外,所述柱塞阀座部具备可收纳所述柱塞阀的大小,并构成为包括从所述连接流路的下端向水平方向延伸的水平面和从所述水平面的边缘向下倾斜的倾斜面的锥台(cone)形。
另外,所述柱塞阀具备在上升时与所述倾斜面接触的半球状的密封部,从而截面形成为拱形。
另外,当所述柱塞阀向下部移动而离开所述柱塞阀座部时,通过所述柱塞阀与所述柱塞阀座部之间的间隙及所述垂直孔而允许油的流动。
另外,当所述柱塞阀向上部移动而与所述柱塞阀座部接触时,仅通过所述垂直孔而允许油的流动。
发明效果
本发明的实施例在制动时可确保大量的油量而能够提高制动响应性。
附图说明
图1是表示本发明的实施例的制动系统用电磁阀的截面图。
图2是表示本发明的实施例的制动系统用电磁阀的制动时的制动油的流动的图。
图3是表示本发明的实施例的制动系统用电磁阀的解除制动时的制动油的流动的图。
(符号的说明)
100:电磁阀, 110:调制器模块,
111:孔, 112:流入流路,
113:排出流路, 120:过滤器部件,
125:轮毂部, 126:连接流路,
127:柱塞阀座部, 127a:水平面,
127b:倾斜面, 140:磁芯,
141:通孔, 147:阀座安装部,
150:阀座, 151:节流孔,
160:柱塞, 161:开闭部,
170:套管, 180:电枢,
190:复位弹簧, 200:柱塞阀,
200a:密封部, 200b:圆筒部,
201:垂直孔
具体实施方式
下面,参照附图,对本发明的实施例进行详细说明。下面所介绍的实施例是为了向本领域的技术人员充分地传达本发明的思想而例示的。本发明不限于以下说明的实施例,也可以其他的形态具体地实现。为了对本发明进行清楚的说明,对于与说明无关的部分省略了图示,并且在附图中,为了便于说明,多少扩大构成要素的宽度、长度、厚度等而进行了图示。在整个说明书中,相同的符号表示相同的构成要件。
图1是表示本发明的实施例的制动系统用电磁阀的截面图,图2是表示本发明的实施例的制动系统用电磁阀的制动时的制动油的流动的图,图3是表示本发明的实施例的制动系统用电磁阀的解除制动时的制动油的流动的图。
参照图1至图3,制动系统用电磁阀100包括收纳于调制器模块110的孔111的过滤器部件120、与过滤器部件120结合的磁芯140、设于磁芯140内的阀座150及结合到柱塞160、磁芯140的外侧的套管170、设于套管170内的电枢180、向柱塞160赋予朝向电枢180侧的弹力的复位弹簧190及设于套管170的外侧的励磁线圈组件(未图示)。
磁芯140是具备在长度方向上贯穿的通孔141的圆筒状。在这样的磁芯140的通孔141的下侧的内部形成有供形成有节流孔151的阀座150压入并固定的阀座安装部147。另外,在磁芯140的通孔141的上侧的内周面设有以支承复位弹簧190的下端的方式突出的弹簧支承突起145。
阀座150构成为下端被开放,内部为空的中空圆筒状,通过阀座安装部147的下端的开口而被压入结合。
贯穿形成于阀座150的上端的中央的节流孔151通过柱塞160的开闭部161而选择性地进行开闭。
过滤器部件120以结合到磁芯140的状态进入调制器模块110的孔111。
这样的过滤器部件120包括:周围部121,其包围磁芯140的下侧的外表面;及轮毂部125,其位于磁芯140的内侧的中央,以通过阀座150的下端的开口而插入到内侧的方式与周围部121形成为一体。
周围部121在其内部收纳磁芯140的下部,外表面支承于调制器模块100的孔111的内面。
轮毂部125在中央以贯穿的方式形成有将节流孔151和排出流路113连通的连接流路126,连接流路126在其下端形成有比上侧的连接流路126具备更大直径的柱塞阀座部127。
柱塞阀座部127包括:水平面127a,其从连接流路126的下端向水平方向延伸;倾斜面127b,其以从水平面127a的边缘越靠近下方而渐渐变宽的方式向下倾斜。
在过滤器部件120的周围部121设有第一过滤部121a,该第一过滤部121a对通过调制器模块110的流入流路112而流入形成于过滤器部件120与磁芯140的下端之间的半径方向流路142侧的油进行过滤,在过滤器部件120的下端设有第二过滤部121b,该第二过滤部121b过滤向排出流路113侧排出的油的杂质。第一过滤部121a及第二过滤部121b分别设于与流入流路112及排出流路113相对的位置。
在柱塞阀座部127的内侧空间,以通过所供给的油的压力而可上下地进行升降移动的方式配置有柱塞阀200。
柱塞阀200的截面构成为拱形,柱塞阀200形成有以在通过所供给的油的压力而上升时与柱塞阀座部127接触的方式设于上端的半球状的密封部200a和设于密封部200a的下部的圆筒部200b。
在柱塞阀200的中央形成有在上下长度方向上贯穿形成的垂直孔201,垂直孔201使连接流路126与排出流路113始终连通。
如图3所示,当柱塞阀200通过所供给的油的压力而上升,密封部200a与柱塞阀座部127接触时,柱塞阀200仅通过垂直孔201而允许油的流动,如图2所示,当柱塞阀200下降,密封部200a离开柱塞阀座部127时,柱塞阀200通过柱塞阀200与柱塞阀座部127之间的间隙及垂直孔201而允许油的流动。
柱塞160以在上下方向上可进退的方式设于阀座150的上侧的通孔141内。柱塞160在下端具备开闭节流孔151的开闭部161。另外,在向励磁线圈组件(未图示)不施加电源时,柱塞160通过复位弹簧190而向电枢180施压,以将节流孔151开放。此时,在柱塞160的上侧的外表面设有以支承复位弹簧190的一端的方式向内侧形成台阶的台阶部165,以稳定地设置复位弹簧190而向柱塞160提供弹力。此时,如上述,在磁芯140的通孔141设有用于支承复位弹簧190的另一端的台阶型弹簧支承突起145,从而复位弹簧190的下端支承于弹簧支承突起145,上端支承于柱塞160的外表面的台阶部165。
套管170为圆筒状,且结合到磁芯140的外表面。
套管170具备以闭合磁芯140的上部的方式设于其上部的圆顶型闭合部171。
电枢180位于套管170的上侧的内部即圆顶型闭合部171内,并以可上下进退的方式设置。
当向励磁线圈组件(未图示)施加电源时,电枢180以对柱塞160施加压力的方式移动,从而可闭合节流孔151。
下面,对上述的制动系统用电磁阀进行制动时的开闭动作进行说明。
如图2所示,在向励磁线圈组件(未图示)不施加电源时,复位弹簧190将柱塞160推向电枢180侧,因此柱塞160的开闭部161离开节流孔151,从而节流孔151维持开放的状态。由此,通过流入流路112而流入的油经过半径方向的流路142、通孔141下侧的阀座安装部147、节流孔151、连接流路126并通过对柱塞阀200施压而使其向下方移动时所形成的柱塞阀座部127与柱塞阀200之间的间隙及垂直孔201来流向排出流路113侧。
以上,对特定的实施例进行了图示及说明。但是,本发明不限于上述的实施例,本领域技术人员在不脱离权利要求书所记载的发明的技术思想的要旨的情况下,可进行各种变更而实施。
Claims (10)
1.一种制动系统用电磁阀,其包括:
过滤器部件,其收纳于具备流入流路及排出流路的调制器模块的孔内;
磁芯,其与所述过滤器部件结合并形成有在长度方向上贯穿的通孔;
套管,其结合到所述磁芯的外表面;
电枢,其设于所述套管内;
阀座,其固定于所述通孔并具备节流孔;
柱塞,其以通过所述电枢的动作而进行升降移动来开闭所述节流孔的方式配置于所述通孔;及
复位弹簧,其将所述柱塞向所述电枢侧施压,
在所述过滤器部件的中央形成有轮毂部,该轮毂部通过所述阀座的下端开口插入到所述阀座的内侧,并以贯穿的方式形成有连接流路,该连接流路连通所述节流孔和所述排出流路,在所述连接流路的下部配置有柱塞阀,该柱塞阀通过所供给的油的压力而进行升降移动且在中央具备以贯穿的方式形成的垂直孔,在所述连接流路的下端形成有柱塞阀座部,该柱塞阀座部具备大于所述连接流路直径的直径,使得在所述柱塞阀进行升降移动时所述柱塞阀的外表面选择性地与该柱塞阀座部进行接触。
2.根据权利要求1所述的制动系统用电磁阀,其中,
所述柱塞阀座部随着靠近下方而渐渐变宽。
3.根据权利要求1所述的制动系统用电磁阀,其中,
所述柱塞阀座部可收纳所述柱塞阀,并构成为包括从所述连接流路的下端向水平方向延伸的水平面和从所述水平面的边缘向下倾斜的倾斜面的锥台形。
4.根据权利要求3所述的制动系统用电磁阀,其中,
所述柱塞阀具备密封部,该密封部在通过所供给的油的压力而上升时与所述倾斜面接触。
5.根据权利要求3所述的制动系统用电磁阀,其中,
当所述柱塞阀向下部移动而离开所述柱塞阀座部时,通过所述柱塞阀与所述柱塞阀座部之间的间隙及所述垂直孔而允许油的流动。
6.根据权利要求3所述的制动系统用电磁阀,其中,
当所述柱塞阀向上部移动而与所述柱塞阀座部接触时,仅通过所述垂直孔而允许油的流动。
7.根据权利要求1所述的制动系统用电磁阀,其中,
所述过滤器部件包括周围部,该周围部包围所述磁芯的下侧外表面,且外侧面结合到所述调制器模块的孔。
8.根据权利要求7所述的制动系统用电磁阀,其中,
在所述过滤器部件的所述周围部具备第一过滤部,该第一过滤部对通过所述流入流路而流入形成于所述过滤器部件与所述磁芯下端之间的流路的油进行过滤,在所述过滤器部件的下端具备第二过滤部,该第二过滤部对向所述排出流路侧排出的油进行过滤。
9.根据权利要求1所述的制动系统用电磁阀,其中,
所述垂直孔使所述连接流路与所述排出流路始终连通。
10.根据权利要求3所述的制动系统用电磁阀,其中,
所述柱塞阀形成有半球状的密封部和形成于所述密封部的下部的圆筒部,且所述柱塞阀的竖向截面形成为拱形,该密封部通过所供给的油的压力而上升时与所述倾斜面接触。
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