CN1005124B - 具有停车制动保持装置的盘式制动器 - Google Patents
具有停车制动保持装置的盘式制动器 Download PDFInfo
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Abstract
盘式制动器包括把机械停车执行的反作用力直接传递给钳体,以及为连接于机械停车执行器杠杆臂的钢缆提供支撑及引导的停车制动装置。机械停车执行器位于停车制动箱体的开口中,停车制动箱体具有多个穿通开口。端部插塞密封开口并紧靠支架。停车制动箱体不承受任何反作用力,它可以由轻质材料制成且结构可以较小。机械停车执行器包括一对杠杆臂。
Description
本发明涉及一种具有机械停车制动执行器的盘式制动器。
一个盘式制动器包括具有其内安放活塞总成的腔的卡钳总成,这样当使用制动器流体压力传递到该腔时,卡钳总成使一对摩擦元件与转子接合。为了在停车时能机械地驱动活塞,研制了许多停车制动装置。停车制动操作可通过多种装置来完成,例如通过机械地驱动或使一对摩擦元件与该盘啮合的球斜面或螺纹来完成。这种停车制动机械执行装置包括一个双肘节装置,例如发表在同时待批的美国专利申请系列号为704,139的标题为“用于盘式制动器的执行器”和专利申请系列号为576,512的标题为“盘式制动器总成”的那种装置。系列号为704,139的专利申请公开了一种设置在卡钳箱腔内的双肘节机械执行装置,该腔的一端由一有帽封口螺钉封闭,该有帽封口螺钉通过螺纹旋入腔内。专利申请系列号为576,512公开了安装在停车卡盘箱总成内的双肘节装置,该停车卡盘箱总成设置在卡钳箱的腔内并通过压环(开口环)固定。一个支架(托架)被安装在该停车卡盘箱的顶端来支承安装在该机械执行器的杠杆臂的钢缆。众所周知,为了承受缸体的负载,装备了备有使端帽保持在缸体端部之上的具有长螺栓的液压缸。EP-A-0124400的标题“用于盘式制动器的机械执行器”的专利申请公开了一种盘式制动器的机械执行器,该制动器包括一个具有腔的钳体,在钳体腔内容纳有活塞,活塞在腔中移动而使摩擦垫片与转子接合,一机械执行器配置在腔中用以推动活塞,并且所述腔的一端由一有帽封口螺钉封闭。这种装置的装拆比较复杂,而且,由于有帽封口螺钉通过螺纹旋入腔内,这种连接方式容易松动。
本发明的目的在于提供一个带有装在一个单独停车制动箱体内的停车执行机构的盘式制动器,该单独停车制动箱体能容易地装在钳体上也能方便地从该钳体上拆下,而且所述的制动箱体可以用轻质材料和以较小的尺寸制成。
本发明包括带有机械停车执行器的盘式制动器,该盘式制动器具有与至少一个摩擦片(垫片)连动的钳体总成,用于使摩擦片(垫片)与转子接合,钳体总成包括一个能容纳一个活塞总成的腔的钳体,该活塞总成能在该腔内移动使摩擦片(垫片)与转子接合;一个其上有开口并和上述钳体连接使该开口与该腔对准的停车制动箱体,为了封闭钳体箱一端的开口,该开口内设置有插塞装置,一个设置在上述开口和腔内的机械停车执行器,末端封闭装置靠紧并延伸过停车制动箱体的末端;多个固定装置,其中每个的一端固定在钳体箱上,另一端固定在末端封闭装置上,这样,该末端封闭装置和固定装置一起接受施加在插塞装置上的反作用力并直接把该力传递给钳体箱。机械停车执行器包括一对通过钢缆移动的杠杆,由保持器或销子把钢缆和该杠杆相应端部固定在一起,这样杠杆就与钢缆一起移动。
本发明的一个优点在于,由于停车制动箱体用如下方法与钳体连接,即该制动箱体不把当机械停车执行器工作时产生的反作用力施加到钳体上,也就是说停车制动箱体不承受反作用力,因此它可以由轻得多的材料做成,而且其结构也可以较小。
本发明的另一个优点在于,由于本发明是以停车制动箱体不承受反作用力的方法把停车制动箱体固定在钳体总成上,因此本发明所提供的停车制动箱体能容易地安装和卸下。
现在将参照附图对本发明进行描述,其中:
图1是具有停车制动箱体的盘式制动器的端视图;
图2是图1中沿剖面线2-2的剖面图;
图3是把钢缆和杠杆的相应端固定在一起的保持器的剖面图;
图4是把钢缆和杠杆固定在一起的另一种结构的俯视剖面图;
图1和图2展示了具有安置在其一端的停车制动箱装置28的盘式制动器10。盘式制动器包括钳体12。后者具有腔14,腔中带有活塞16。活塞16与摩擦垫片18接合,这样流经腔32的流体使活塞16压住摩擦垫片18和转子20。如已有技术中众所周知的,反作用力推动钳体总成,这样钳体支架22推动外摩擦垫片24压住转子20的另一边。盘式制动器10包括安置在腔32内并与活塞16接合的摩擦垫片中摩擦补偿机构26(在系列号为576,512的申请中公开的形式的)。停车制动箱装置28包括一紧靠*体的端部13和具有开口34且在其中有一双肘节机械停车执行器36的停车制动箱体30。双肘节机械停车执行器36的一端通过肘节38与端部插塞48咬合,其另一端通过肘节39与活塞40咬合,执行器36具有同时提出的待批专利申请系列号704,139和576,512中所公开的双肘节机械执行器。停车制动箱体30包括多个用于螺栓50的纵向开口42,该螺栓50拧入在钳体12的螺孔44中。螺栓头52被固定在支架60上,该支架60覆盖停车制动箱体30的端部33,这样支架60支承了在穿通开口34中的端部插塞48。支架60向上延伸以提供接受钢缆管64的开口62。双肘节机械执行器36包括在支架60附近延伸并由U形保持器80夹持的一对杠杆臂70,保持器80把杠杆臂固定在一起并夹持其中的钢缆端92。钢缆90在端部92处具有一弯曲元件91。钢待通过保持器开口85、杠杆臂端72和套管64延伸,与停车制动杠杆相连(未画出)。杠杆臂端72包括允许U形保持器80被相对于杠杆臂定位的凹入区域74,保持器80包括在每个支架82端部的内向的紧固倒钩84,紧固倒钩与杠杆臂70的边相咬合,这样保持器就被固定在其上。杠杆臂端72由搭锁保持器80支撑并定位,该保持器80也用来把钢待固定在杠杆臂70上。
当汽车驾驶者要操作停车制动器时,停车制动器杠杆(未画出)被操作,这就使所接钢缆90移位。钢缆90向箭头A所指的方向移动,从而,使杠杆70移动至图2中所示的虚线位置。钢继滑动地移动通过套管64,套管64由支架60固定。杠杆臂70的旋转引起机械停车执行器36的动作。当凸轮37旋转时,输入反作用肘节38和输入肘节39一起旋转。输出肘节39引起活塞40和连接的摩擦片摩损补偿机构的横向位移,这种动作通过反作用肘节38引起了相类似的反作用,该肘节38对端部插塞48施加反作用力。端部插塞48被安置得直接抵住支架60,该支架60接受所有的反作用力并把它们直接传递到螺栓50的头部。螺栓50把反作用力直接递到固定在钳体12的螺孔44中的有螺纹的端部。因此,作为停车制动执行器36执行结果而产生的反作用力直接传递给支架60、螺栓头50、螺孔44和钳体12,这时停车制动箱体30不乘受任何反作用力。结果,由于停车制动箱体30不承受反作用力,它可以由轻得多的材料做成,且通常其结构可以较小。另外,停车制动箱体30为机械停车执行器36提供了容易安装和拆卸的卡盘,这样,整个总成在安装和维修时,可容易地装配和拆卸。螺栓可被放松,这样如果有必要的话,活塞16和停车制动装置28可以向后推而在圆盘和制动衬带之间形成间隙。另外一个优点在于端部插塞48可简单地插在开口34中,以前,端部插塞48上具有螺纹,该端部插塞48被接受在停车制动箱体的螺纹中。由于插塞48被支架60支承在穿通开口34之中,在停车制动箱体和插塞之间的螺纹连接可以取消,因此减小了制造成本并减小了拆卸时间。螺栓50不仅直接把反作用力传递给钳体,也排除了以前使用的用于将停车制动箱体保持在钳体上的剪力环。这不但提供了一个比较易拆卸的连接,而且还为停车制动箱体和钳体之间提供了更可靠、更紧固的连接。一个另外的且是有意义的优点在于端部支架60不仅用于把反作用力直接传递给与钳体连接的螺栓,而且也向上延伸从而提供用于套管64和钢缆90的定位,支架不再仅仅是为了使钢缆定位的、接到钳体上的一个单独的结构,而是既作用于定位钢缆又作传递反作用力的双重作用。
双肘节机械停车执行器36有一对由铜缆带动旋转的杠杆臂70。U形保持器80把钢缆端92和杠杆臂72固定在一起,消除了以前用于把钢缆固定于杠杆臂的挂钩销子支架(参见申请系列号576,512)。结果,在杠杆臂70的静止位置和支架60之间的距离“B”被大大地减小,因为挂钩销子支架不再位于杠杆臂和支架60之间。因此,杠杆臂更靠近支架,这减小了盘式制动停车卡盘总成对宽度和空间的要求。
图4展示了把钢缆90连接于杠杆臂端72的另一种方法。销子100通过杠杆臂开口73延伸。并由楔销或销子76维持定位,销子100具有接受钢缆90的端部92的腔102,而由弯曲元件紧靠销子100,销子100对维持钢缆与杠杆臂的连接提供了很紧固和可靠的方法。
Claims (9)
1、一种具有停车制动保持装置的盘式制动器包括:
一个钳体总成(12,14,16),该总成包括具有腔(14)的钳体(12)和可在腔(14)中移动而使摩擦垫片(18)与转子(20)接合的活塞(16);
一个停车制动箱体(30),该箱体具有腔(34),该腔(34)与钳体(12)连接并与钳体(12)的腔(14)对准;
一个机械执行器(36),该机械执行器配置在腔(34)中以机械方式推动上述活塞(16),并包括一对杠杆(70);
其特征在于,所述的停车制动箱体(20)包括多个从停车制动箱体的一端(33)纵向地穿到停车制动箱体的另一端的螺栓50,以及覆盖上述停车制动箱体的上述一端(33)与腔(34)并接纳螺栓(50)穿过的支架(6),螺栓(50)的一端(52)固定地接合在支架(60)上而其另一端固定地接合在钳体(12)中,以便螺栓(50)和支架(60)共同承受来自上述机械执行器(36)的反作用力并把该反作用力传递到钳体(12),并且停车制动箱体(30)还包括一个端部插塞(48),该插塞封闭停车制动箱体(30)的一端(33),插塞(48)由螺栓(50)和支架(60)夹持在腔(34)内。
2、根据权利要求1所述的盘式制动器,其特征在于,所述的机械执行器(36)还包括与杠杆(70)连接的钢缆(90)和用于把钢缆(90)固定于杠杆(70)的保持器(80)。
3、根据权利要求1所述的盘式制动器,其特征在于,所述的机械执行器(36)还包括与杠杆(70)连接的钢缆(90)和用于把钢缆(90)连接于杠杆(70)的销子(100)。
4、根据权利要求2所述的盘式制动器,其特征在于,每个杠杆(70)包括在其一端(72)的宽度减小的区域(74),该区域(74)接受其中的保持器(80)并使保持器(80)相对于杠杆(70)的臂固定地定位。
5、根据权利要求4所述的盘式制动器,其特征在于,所述的保持器(80)呈U形,其上的每个支架(82)具有一个内向紧固倒钩(84),该倒钩(84)与有关的杠杆(70)的臂的一部分啮合,以便使所述的U形保持器(80)与所述的杠杆(70)的臂相啮合。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US771,869 | 1985-08-30 | ||
US06/771,869 US4635761A (en) | 1985-08-30 | 1985-08-30 | Disc brake parking cartridge retention device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN86103957A CN86103957A (zh) | 1987-02-25 |
CN1005124B true CN1005124B (zh) | 1989-09-06 |
Family
ID=25093205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN86103957.2A Expired CN1005124B (zh) | 1985-08-30 | 1986-06-12 | 具有停车制动保持装置的盘式制动器 |
Country Status (12)
Country | Link |
---|---|
US (1) | US4635761A (zh) |
EP (1) | EP0233890B1 (zh) |
JP (1) | JPH0799183B2 (zh) |
KR (1) | KR930002423B1 (zh) |
CN (1) | CN1005124B (zh) |
AU (1) | AU586678B2 (zh) |
BR (1) | BR8606847A (zh) |
CA (1) | CA1289485C (zh) |
DE (1) | DE3664363D1 (zh) |
ES (1) | ES2001911A6 (zh) |
MX (1) | MX160889A (zh) |
WO (1) | WO1987001421A1 (zh) |
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-
1985
- 1985-08-30 US US06/771,869 patent/US4635761A/en not_active Expired - Lifetime
-
1986
- 1986-04-11 WO PCT/US1986/000756 patent/WO1987001421A1/en active IP Right Grant
- 1986-04-11 BR BR8606847A patent/BR8606847A/pt not_active IP Right Cessation
- 1986-04-11 EP EP86902710A patent/EP0233890B1/en not_active Expired
- 1986-04-11 AU AU56963/86A patent/AU586678B2/en not_active Ceased
- 1986-04-11 JP JP61502272A patent/JPH0799183B2/ja not_active Expired - Lifetime
- 1986-04-11 DE DE8686902710T patent/DE3664363D1/de not_active Expired
- 1986-04-11 KR KR1019870700358A patent/KR930002423B1/ko not_active IP Right Cessation
- 1986-06-12 CN CN86103957.2A patent/CN1005124B/zh not_active Expired
- 1986-07-11 MX MX3109A patent/MX160889A/es unknown
- 1986-08-14 CA CA000515971A patent/CA1289485C/en not_active Expired - Lifetime
- 1986-08-29 ES ES8601489A patent/ES2001911A6/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR880700182A (ko) | 1988-02-20 |
CN86103957A (zh) | 1987-02-25 |
BR8606847A (pt) | 1987-11-03 |
ES2001911A6 (es) | 1988-07-01 |
JPH0799183B2 (ja) | 1995-10-25 |
DE3664363D1 (en) | 1989-08-17 |
KR930002423B1 (ko) | 1993-03-30 |
MX160889A (es) | 1990-06-11 |
EP0233890A1 (en) | 1987-09-02 |
CA1289485C (en) | 1991-09-24 |
AU5696386A (en) | 1987-03-24 |
JPS63500734A (ja) | 1988-03-17 |
AU586678B2 (en) | 1989-07-20 |
EP0233890B1 (en) | 1989-07-12 |
WO1987001421A1 (en) | 1987-03-12 |
US4635761A (en) | 1987-01-13 |
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