WO2018014680A1 - 离合器分离系统和离合器从动缸 - Google Patents

离合器分离系统和离合器从动缸 Download PDF

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Publication number
WO2018014680A1
WO2018014680A1 PCT/CN2017/088235 CN2017088235W WO2018014680A1 WO 2018014680 A1 WO2018014680 A1 WO 2018014680A1 CN 2017088235 W CN2017088235 W CN 2017088235W WO 2018014680 A1 WO2018014680 A1 WO 2018014680A1
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WIPO (PCT)
Prior art keywords
cylinder
stopper
piston
clutch
clutch slave
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PCT/CN2017/088235
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English (en)
French (fr)
Inventor
张斌
亨利克 基洛托 马法拉奇奥尔多
路易斯 维埃拉法比奥
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Schaeffler Technologies AG and Co KG
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Schaeffler Technologies AG and Co KG
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Priority to DE112017003639.9T priority Critical patent/DE112017003639T5/de
Publication of WO2018014680A1 publication Critical patent/WO2018014680A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • F16D25/083—Actuators therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2300/00—Special features for couplings or clutches
    • F16D2300/12—Mounting or assembling

Definitions

  • the present invention relates to the field of clutch technology, and in particular to a clutch release system and a clutch slave cylinder.
  • Existing clutch release systems include a clutch slave cylinder for controlling clutch disengagement and engagement.
  • the clutch slave cylinder includes a cylinder body, a piston sleeved outside the cylinder body, and a stop ring disposed on the cylinder block.
  • the cylinder body is provided with an annular pressure chamber surrounding the central axis of the cylinder, and the piston is used for reciprocating movement in the axial direction of the cylinder within the pressure chamber.
  • the stop ring is located on a side of the piston axially away from the pressure chamber and overlaps the piston at least in a radial portion for blocking the piston from falling off the cylinder.
  • the stop ring and the cylinder are installed in such a manner that the cylinder has a hollow cavity, and the radially inner end of the stop ring is axially pressed into the hollow cavity, and the radially inner end of the stop ring is pressed into the hollow cavity. And fits on the inner wall of the cylinder.
  • This type of installation requires special installation equipment, the stamping process is not easy to control, and the installation cost is high.
  • a press-fit groove is provided on the inner peripheral surface of the cylinder, and the radially inner end of the stop ring is pressed into the press-fit groove.
  • the problem solved by the present invention is that in the existing clutch slave cylinder, the stop ring and the clutch are The installation cost of the cylinder block is relatively high, resulting in a high manufacturing cost of the clutch slave cylinder.
  • the present invention provides a clutch slave cylinder including: a cylinder, a piston, and a stopper provided on the cylinder; the cylinder is provided with an annular pressure chamber, and the pressure chamber surrounds a central axis of the cylinder, the piston for reciprocating in an axial direction of the cylinder within the pressure chamber; the stopper being located axially away from the pressure chamber One side for blocking the piston from falling off the cylinder; the stopper is mounted on an outer circumferential surface of the cylinder.
  • the stopper is raised outward in the radial direction of the cylinder from the inner circumferential surface of the piston.
  • the clutch slave cylinder is a clutch centering sub-cylinder.
  • an outer circumferential surface of the cylinder body is formed with a receiving groove, and the stopper is defined in the receiving groove and protrudes outside the receiving groove in a radial direction of the cylinder.
  • the inner diameter of the cylinder has consistency along the axial direction of the cylinder.
  • the cylinder body includes: a first portion and a second portion that are axially connected; the second portion is away from the pressure chamber than the first portion, and an outer diameter of the second portion is smaller than the first portion
  • the outer diameter of the receiving groove is formed on an outer peripheral surface of the second portion.
  • the receiving groove is cut to the first portion along an axial direction of the cylinder.
  • the stop is annular and surrounds the cylinder.
  • the stop has a notch in the circumferential direction.
  • the stop is a C-ring.
  • the present invention also provides a clutch release system comprising the clutch slave cylinder of any of the above.
  • the stopper is installed on the outer peripheral surface of the cylinder body, and does not intersect with the circumferential surface of the cylinder body, and the inner circumferential surface does not need to be improved. After the mold is formed, the demolding process of the cylinder body from the inner circumferential surface is easily completed.
  • the mold for manufacturing the clutch slave cylinder is simple in design, easy to implement, and low in manufacturing cost. Moreover, the space outside the cylinder is large, which can provide a large operation space for the assembly process of the stopper and the outer peripheral surface of the cylinder, improve assembly convenience, and reduce installation cost.
  • Figure 1 is a cross-sectional view of a clutch slave cylinder in accordance with an embodiment of the present invention
  • FIG. 2 is an exploded view of a clutch slave cylinder in accordance with an embodiment of the present invention.
  • the clutch release system includes a clutch slave cylinder.
  • the clutch slave cylinder 1 includes a cylinder block 2, a piston 3, and a stopper 4 provided on the cylinder block 2.
  • the cylinder block 2 is provided with an annular pressure chamber 2a around the central axis of the cylinder block 2, the piston 3 is for reciprocating movement in the axial direction of the cylinder block 2 in the pressure chamber 2a; the stopper 4 is located along the axis of the piston 3
  • the side away from the inside of the pressure chamber 2a serves to block the piston 3 from coming off the cylinder 2.
  • the pressure chamber 2a is filled with oil, the piston 3 moves toward the stopper 4, and the stopper 4 can block the piston 3 from being pulled out from the cylinder 2 in the axial direction.
  • the stopper 4 is attached to the outer peripheral surface 20 of the cylinder 2. This can bring the following advantages:
  • the stopper 4 does not intersect with the inner circumferential surface 21 of the cylinder 2, and it is not necessary to improve the inner circumferential surface 21. After the molding of the mold, the demolding process of the cylinder 2 from the inner circumferential surface 21 is easily completed, and the clutch is used for manufacturing.
  • the mold of the cylinder 2 of the slave cylinder 1 is simple in design, easy to implement, and low in manufacturing cost. Moreover, the space outside the cylinder 2 is large. This can provide a large operation space for the assembly process of the stopper 4 and the outer peripheral surface 20 of the cylinder 2, improving assembly convenience and reducing installation cost.
  • the stopper 4 is raised outward in the radial direction of the cylinder 2 from the inner peripheral surface 30 of the piston 3. In the piston 3 When the stopper 4 is resisted, the corresponding end surface of the piston 3 and the stopper 4 have a sufficient stop area in the axial direction, which can more effectively improve the stopping effect of the stopper 4 and prevent the piston 3 from falling out.
  • the clutch slave cylinder 1 may be a clutch centering type secondary cylinder.
  • the tubular body 10 is disposed outside the one end of the cylinder 2 away from the stopper 4, and the tubular body 10 and the outer peripheral surface 20 of the cylinder 2 surround the pressure chamber 2a.
  • a separating bearing 5 is disposed coaxially outside the cylinder 2, and the separating bearing 5 axially abuts against the piston 3 in the axial direction, and the separating bearing 5 is axially movable relative to the cylinder 2 of the clutch slave cylinder 1.
  • the separating bearing 5 is subjected to the pressure toward the piston 3, and can drive the piston 3 to move axially into the pressure chamber 2a, and drain the oil in the pressure chamber 2a; the oil is filled into the pressure chamber 2a, and the piston 3 is hydraulically pressurized to push the reverse bearing 5 to move in the opposite direction. .
  • a pretensioning spring 6 is provided on the outer casing of the clutch cylinder 1, and one end of the preloading spring 6 abuts against the clutch cylinder 1, and the other end abuts against the separating bearing 5, and the separating bearing 5 is axially pretensioned.
  • the outer cover of the pretensioning spring 6 is provided with a sealing cover 7, which is axially fixed to the separating bearing 5 and the clutch slave cylinder 1, and the sealing cover 7 seals the clutch slave cylinder 1 to isolate external dust and water pollution. .
  • the seal cover 7 is deformed by compression and elastically deformed.
  • a receiving groove 23 is formed in the outer peripheral surface 20 of the cylinder block 2, and the stopper 4 is defined in the accommodating groove 23 and protrudes outside the accommodating groove 23 in the radial direction of the cylinder 2.
  • the stopper 4 can be inserted into the accommodating groove 23, which is convenient to operate and improves assembly efficiency.
  • the accommodating groove 23 has two side walls 230 which are disposed opposite to each other in the axial direction of the cylinder block 2.
  • the stopper 4 can be caught between the two side walls 230, and the stopper 4 is axially restricted.
  • the accommodating groove 23 can be manufactured by mold molding.
  • the accommodating groove 23 is formed in the outer peripheral surface 20 of the cylinder 2 compared to the prior art in which the press-fit groove is formed on the inner peripheral surface of the cylinder block. After the molding, the cylinder 2 is easily released from the outer peripheral surface 20, so that molding is performed.
  • the mold design is simple.
  • the inner diameter of the cylinder block 2 can be uniform in the axial direction of the cylinder block 2, and no protrusion or groove is formed in the inner peripheral surface 21 of the cylinder block 2, and the cylinder 2 is demolded from the inner peripheral surface 21 easily.
  • the stopper 4 is annular and surrounds the cylinder 2.
  • the annular stop 4 and the piston 3 can have There is a large overlapping area along the axial direction, which can more effectively block the piston 3 from being pulled out from the cylinder 2.
  • the annular stop 4 has a notch 40 in the circumferential direction.
  • the notch 40 can be opened, the stopper 4 is placed on the cylinder 2, and moved into the accommodating groove 23, after which the notch 40 is contracted, and the stopper 4 is defined in the accommodating groove 23.
  • the notch 40 can be made on a closed annular stop 4.
  • the stop 4 can directly utilize a C-ring.
  • the stop can have no cutouts, and the stop is strongly pressed onto the cylinder in the axial direction during installation.
  • the outer peripheral surface of the cylinder may not be provided with a receiving groove.
  • the thickness of the stop ring is designed to be thin, so that the stop ring cannot withstand a large axial pressure, causing the piston to have a stop ring and sway away from the cylinder. risk.
  • the stopper 4 is not required to be subjected to a punching operation. It is expected that the axial thickness of the stopper 4 can be designed to be thick enough to withstand the large axial force of the piston 3 without being easily deformed, and the stopper 4 can effectively perform the stop function for a long time.
  • the cylinder block 2 includes: an axially connected first portion 24 and a second portion 25; the second portion 25 is away from the pressure chamber 2a than the first portion 24, the outer diameter of the second portion 25 is smaller than the outer diameter of the first portion 24, and the receiving groove 23 is formed On the outer peripheral surface of the second portion 25.
  • the outer diameter of the second portion 25 is small, so that the notch 40 of the stopper 4 does not need to be opened to a large size, which is advantageous for assembly.
  • the accommodating groove 23 is cut to the first portion 24 in the axial direction of the cylinder 2.
  • the first portion 24 functions as an assembly location, and when the stop member 4 is moved axially to the first portion 24, it is assembled.
  • the stop member 4 is axially abutted with the first portion 24 and is compact in construction.
  • Both end surfaces 41 of the stopper 4 along the axial direction of the cylinder 2 are flat.
  • the surface 41 facing the side of the piston 3 is a plane, which can provide a contact area between the stopper 4 and the piston 3, and enhance the stop effect. Therefore, the stopper 4 can be planar with respect to the surface of the piston 3 at least in the axial direction of the cylinder 2.
  • the stop may have a plurality of stops, all of which are arranged along the circumference of the cylinder.
  • the outer peripheral surface of the cylinder body is correspondingly provided with a plurality of receiving grooves, and the stoppers may be defined in the corresponding receiving grooves.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

一种离合器分离系统和离合器从动缸，其中离合器从动缸（1）包括：缸体（2）、活塞（3）及设于缸体（2）上的止挡件（4）；缸体（2）设有环形压力腔（2a），压力腔（2a）环绕缸体（2）的中轴线，活塞（3）用于在压力腔（2a）内沿缸体（2）的轴向作往复运动；止挡件（4）位于活塞（3）沿轴向远离压力腔（2a）内的一侧，用于阻挡所述活塞（3）从所述缸体（2）上脱落；止挡件（4）安装在缸体（2）的外周面（20）。利用本技术方案，止挡件（4）安装在缸体（2）的外周面（20），与缸体（2）的内周面（21）无交集，不需要对内周面（21）进行改进，在模具成型后，缸体（2）从内周面（21）的脱模过程易于完成，用于制造离合器从动缸（1）的缸体（2）的模具设计简单，易于实现，制造成本降低。而且，缸体（2）外的空间较大，这可以给止挡件（4）与缸体外周面（20）装配过程提供较大操作空间，提升装配便利性，降低安装成本。

Description

离合器分离系统和离合器从动缸
本申请要求于2016年07月20日提交中国专利局、申请号为201610576686.8、发明名称为“离合器分离系统和离合器从动缸”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及离合器技术领域，特别涉及一种离合器分离系统和离合器从动缸。
背景技术
现有的离合器分离系统包括：用于控制离合器分离与接合的离合器从动缸。离合器从动缸包括：缸体、套在缸体外的活塞及设于缸体上的止挡环。缸体设有环形压力腔，压力腔环绕缸体的中轴线，活塞用于在压力腔内沿缸体的轴向作往复运动。止挡环位于活塞沿轴向远离压力腔的一侧，并与活塞至少沿径向部分重叠，用来阻挡活塞从缸体上脱落。
其中，止挡环与缸体的安装方式为：缸体具有中空腔，向中空腔内沿轴向冲压止挡环的径向内端，止挡环的径向内端被压入中空腔内并贴合在缸体内壁。这种安装方式需要专门的安装设备，冲压进程不易控制，安装成本高。
为了固定住止挡环，在缸体的内周面设置压装槽，止挡环的径向内端被压入压装槽内。在使用模具成型工艺制造离合器从动缸的缸体时，由于需要在缸体的内周面形成压装槽，因此模具成型后的脱模很难实现。为实现具有压装槽的内周面脱模，就要对用于制造离合器从动缸的缸体的模具进行复杂设计，造成制造成本较高。
发明内容
本发明解决的问题是，现有离合器从动缸中，止挡环与离合器从 动缸缸体的安装成本较高，造成离合器从动缸缸体的制造成本较高。
为解决上述问题，本发明提供一种离合器从动缸，其包括：缸体、活塞及设于所述缸体上的止挡件；所述缸体设有环形压力腔，所述压力腔环绕所述缸体的中轴线，所述活塞用于在所述压力腔内沿所述缸体的轴向作往复运动；所述止挡件位于所述活塞沿轴向远离所述压力腔内的一侧，用于阻挡所述活塞从所述缸体上脱落；所述止挡件安装在所述缸体的外周面。
可选地，所述止挡件沿所述缸体的径向向外高出所述活塞的内周面。
可选地，所述离合器从动缸为离合器对中式副缸。
可选地，所述缸体的外周面形成有容纳槽，所述止挡件限定在所述容纳槽内并沿所述缸体的径向突出于所述容纳槽外。
可选地，所述缸体的内径沿所述缸体的轴向具有一致性。
可选地，所述缸体包括：轴向连接的第一部分和第二部分；所述第二部分比所述第一部分远离所述压力腔，所述第二部分的外径小于所述第一部分的外径，所述容纳槽形成于所述第二部分的外周面。
可选地，所述容纳槽沿所述缸体的轴向截止至所述第一部分。
可选地，所述止挡件呈环形，环绕所述缸体。
可选地，所述止挡件沿周向具有缺口。
可选地，所述止挡件为C型环。
本发明还提供一种离合器分离系统，其包括上述任一所述的离合器从动缸。
与现有技术相比，本发明的技术方案具有以下优点：
止挡件安装在缸体的外周面，与缸体内周面无交集，不需要对内周面进行改进，在模具成型后，缸体从内周面的脱模过程易于完成， 用于制造离合器从动缸的模具设计简单，易于实现，制造成本降低。而且缸体外的空间较大，这可以给止挡件与缸体的外周面装配过程提供较大操作空间，提升装配便利性，降低安装成本。
附图说明
图1是本发明具体实施例的离合器从动缸的剖面图；
图2是本发明具体实施例的离合器从动缸的分解图。
具体实施方式
为使本发明的上述目的、特征和优点能够更为明显易懂，下面结合附图对本发明的具体实施例做详细的说明。
离合器分离系统包括离合器从动缸。参照图1和图2，离合器从动缸1包括：缸体2、活塞3及设于缸体2上的止挡件4。缸体2设有环形压力腔2a，压力腔2a环绕缸体2的中轴线，活塞3用于在压力腔2a内沿缸体2的轴向作往复运动；止挡件4位于活塞3沿轴向远离压力腔2a内的一侧，用于阻挡活塞3从缸体2上脱落。在压力腔2a内充油时，活塞3向止挡件4运动，止挡件4可以阻挡活塞3沿轴向从缸体2上窜出。
其中，止挡件4安装在缸体2的外周面20。这可以带来如下优点：
止挡件4与缸体2的内周面21无交集，不需要对内周面21进行改进，在模具成型后，缸体2从内周面21的脱模过程易于完成，用于制造离合器从动缸1的缸体2的模具设计简单，易于实现，制造成本降低。而且，缸体2外的空间较大。这可以给止挡件4与缸体2的外周面20装配过程提供较大操作空间，提升装配便利性，降低安装成本。
止挡件4沿缸体2的径向向外高出活塞3的内周面30。在活塞3 抵挡止挡件4时，活塞3的相应端面与止挡件4沿轴向具有充分的止挡面积，这可以更有效提升止挡件4的止挡效果，防止活塞3窜出脱落。
离合器从动缸1可以为离合器对中式副缸，在缸体2远离止挡件4的一端外设有管体10，管体10与缸体2的外周面20围成了压力腔2a。在缸体2外同轴地设有分离轴承5，分离轴承5沿轴向与活塞3轴向相抵，分离轴承5可相对离合器从动缸1的缸体2轴向运动。分离轴承5受到朝向活塞3的压力，可带动活塞3向压力腔2a内轴向运动，压力腔2a内泄油；往压力腔2a内充油，活塞3受液压，推动分离轴承5反向运动。
在离合器从动缸1外套设有预紧弹簧6，预紧弹簧6一端抵在离合器从动缸1，且另一端抵在分离轴承5，对分离轴承5进行轴向预紧。在预紧弹簧6外罩设有密封罩7，密封罩7沿轴向固定在分离轴承5和离合器从动缸1，密封罩7对离合器从动缸1起到密封作用，隔绝外部灰尘和水污染。在分离轴承5压缩预紧弹簧6运动时，密封罩7被挤压变形而弹性变形。
在缸体2的外周面20形成有容纳槽23，止挡件4限定在容纳槽23内并沿缸体2的径向突出于容纳槽23外。在装配时，将止挡件4装入容纳槽23内即可，操作方便，提升装配效率。
容纳槽23具有沿缸体2轴向相对而设的两个侧壁230，止挡件4可以卡紧在两个侧壁230之间，止挡件4沿轴向被限位。
容纳槽23可以通过模具成型制造。相比于现有技术在缸体的内周面形成压装槽的模具，在缸体2的外周面20形成容纳槽23，成型后，缸体2从外周面20脱模易于实现，使得成型模具设计简单。
缸体2的内径沿缸体2的轴向可以具有一致性，在缸体2的内周面21未形成突起或凹槽，缸体2从内周面21脱模也易于实现。
止挡件4呈环形，环绕缸体2。环形的止挡件4与活塞3可以具 有沿轴向较大重叠区域，可以更有效阻挡活塞3从缸体2上蹿出。
为方便安装，环形的止挡件4沿周向具有缺口40。在装配时，可以张开缺口40，将止挡件4套在缸体2上，并移动至容纳槽23内，之后缺口40收缩，止挡件4限定在容纳槽23内。
可以在一个封闭环形的止挡件4上制造缺口40。或者，止挡件4可以直接利用C型环。
作为一种改进方案，止挡件可以不具有缺口，在安装时沿轴向将止挡件强力压装在缸体上。在这种情况下，缸体的外周面可以不设置容纳槽。
在现有技术中，为了对止挡环方便冲压，止挡环的厚度设计较薄，导致止挡环不能承受轴向较大压力，造成活塞具有冲开止挡环而窜动脱离缸体的风险。而在本技术方案中，不需要对止挡件4进行冲压操作。可预期的是，止挡件4的轴向厚度可以设计较厚，足以承受活塞3轴向较大冲力而不会轻易发生变形，止挡件4可以长期、有效发挥止挡作用。
缸体2包括：轴向连接的第一部分24和第二部分25；第二部分25比第一部分24远离压力腔2a，第二部分25的外径小于第一部分24的外径，容纳槽23形成于第二部分25的外周面。第二部分25的外径较小，这样止挡件4的缺口40无需张开较大尺寸，有利于装配。
容纳槽23沿缸体2的轴向截止至第一部分24。这样，在装配过程中，第一部分24起到装配定位的作用，待止挡件4轴向运动至第一部分24时，即装配到位。在装配后，止挡件4与第一部分24轴向抵接，结构紧凑。
止挡件4沿缸体2的轴向的两端表面41均为平面。其中，朝向活塞3一侧的表面41为平面，这可以提供止挡件4与活塞3接触面积，增强止挡效果。因此，止挡件4可以至少沿缸体2的轴向朝向活塞3的表面为平面。
作为一种变形例，止挡件可以具有多个，所有止挡件沿缸体的周向排布。此时，缸体的外周面对应设有多个容纳槽，止挡件可以限定在对应的容纳槽内。
虽然本发明披露如上，但本发明并非限定于此。任何本领域技术人员，在不脱离本发明的精神和范围内，均可作各种更动与修改，因此本发明的保护范围应当以权利要求所限定的范围为准。

Claims (11)

  1. 一种离合器从动缸，包括：缸体、活塞及设于所述缸体上的止挡件；
    所述缸体设有环形压力腔，所述压力腔环绕所述缸体的中轴线，所述活塞用于在所述压力腔内沿所述缸体的轴向作往复运动；
    所述止挡件位于所述活塞沿轴向远离所述压力腔内的一侧，用于阻挡所述活塞从所述缸体上脱落；
    其特征在于，所述止挡件安装在所述缸体的外周面。
  2. 如权利要求1所述的离合器从动缸，其特征在于，所述止挡件沿所述缸体的径向向外高出所述活塞的内周面。
  3. 如权利要求1所述的离合器从动缸，其特征在于，所述离合器从动缸为离合器对中式副缸。
  4. 如权利要求1所述的离合器从动缸，其特征在于，所述缸体的外周面形成有容纳槽，所述止挡件限定在所述容纳槽内并沿所述缸体的径向突出于所述容纳槽外。
  5. 如权利要求4所述的离合器从动缸，其特征在于，所述缸体的内径沿所述缸体的轴向具有一致性。
  6. 如权利要求4所述的离合器从动缸，其特征在于，所述缸体包括：轴向连接的第一部分和第二部分；
    所述第二部分比所述第一部分远离所述压力腔，所述第二部分的 外径小于所述第一部分的外径，所述容纳槽形成于所述第二部分的外周面。
  7. 如权利要求6所述的离合器从动缸，其特征在于，所述容纳槽沿所述缸体的轴向截止至所述第一部分。
  8. 如权利要求1-7任一项所述的离合器从动缸，其特征在于，所述止挡件呈环形，环绕所述缸体。
  9. 如权利要求8所述的离合器从动缸，其特征在于，所述止挡件沿周向具有缺口。
  10. 如权利要求8所述的离合器从动缸，其特征在于，所述止挡件为C型环。
  11. 一种离合器分离系统，其特征在于，包括权利要求1～10任一项所述的离合器从动缸。
PCT/CN2017/088235 2016-07-20 2017-06-14 离合器分离系统和离合器从动缸 Ceased WO2018014680A1 (zh)

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