WO2021174520A1 - 外置式磁性过滤组件 - Google Patents

外置式磁性过滤组件 Download PDF

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Publication number
WO2021174520A1
WO2021174520A1 PCT/CN2020/078143 CN2020078143W WO2021174520A1 WO 2021174520 A1 WO2021174520 A1 WO 2021174520A1 CN 2020078143 W CN2020078143 W CN 2020078143W WO 2021174520 A1 WO2021174520 A1 WO 2021174520A1
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WO
WIPO (PCT)
Prior art keywords
magnetic filter
connecting piece
external magnetic
clutch
filter assembly
Prior art date
Application number
PCT/CN2020/078143
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English (en)
French (fr)
Inventor
徐志力
菅桄誉
Original Assignee
舍弗勒技术股份两合公司
徐志力
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 舍弗勒技术股份两合公司, 徐志力 filed Critical 舍弗勒技术股份两合公司
Priority to KR1020227030298A priority Critical patent/KR20220130228A/ko
Priority to DE112020006844.7T priority patent/DE112020006844T5/de
Priority to PCT/CN2020/078143 priority patent/WO2021174520A1/zh
Priority to CN202080094810.1A priority patent/CN115023277B/zh
Publication of WO2021174520A1 publication Critical patent/WO2021174520A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/28—Magnetic plugs and dipsticks
    • B03C1/288—Magnetic plugs and dipsticks disposed at the outer circumference of a recipient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/06—Filters making use of electricity or magnetism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/025—High gradient magnetic separators
    • B03C1/031—Component parts; Auxiliary operations
    • B03C1/033—Component parts; Auxiliary operations characterised by the magnetic circuit
    • B03C1/0332—Component parts; Auxiliary operations characterised by the magnetic circuit using permanent magnets
    • 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
    • F16D25/12—Details not specific to one of the before-mentioned types
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/18—Magnetic separation whereby the particles are suspended in a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/30—Details of magnetic or electrostatic separation for use in or with vehicles

Definitions

  • the invention relates to the field of clutches, and particularly to an external magnetic filter assembly.
  • the Chinese utility model CN205937569U records a clutch master cylinder oil intake structure with a filter screen, which includes the cylinder block oil inlet port of the CMC (clutch release master cylinder), a filter screen assembly and a corrugated oil inlet pipe.
  • a filter screen which includes the cylinder block oil inlet port of the CMC (clutch release master cylinder), a filter screen assembly and a corrugated oil inlet pipe.
  • One end of the filter screen assembly is inserted into the inside of the oil inlet port of the cylinder body, and the other end is connected between the end surface of the oil inlet port of the cylinder body and the corrugated oil inlet pipe.
  • the working fluid is filtered by the filter screen assembly from the corrugated oil inlet pipe, it enters the CMC through the gap between the filter screen assembly and the inner wall of the cylinder oil inlet interface.
  • the filter screen assembly is installed at the connection position of the cylinder oil inlet port of the CMC and the low pressure pipe.
  • the MCA Modular Clutch Actuator
  • the filter screen assembly is no longer applicable.
  • the filter screen assembly uses a filter screen to achieve the filtering function. Due to the system efficiency, the filter hole of the filter screen should not be too small, resulting in the inability to filter fine metal impurities with a size smaller than the size of the filter hole.
  • the impurities previously filtered by the filter mesh assembly may return with the working fluid.
  • the purpose of the present invention is to overcome or at least alleviate the above-mentioned shortcomings of the prior art, and provide an external magnetic filter assembly for clutch separation systems with good filtering effect and wide application range.
  • the external magnetic filter assembly for filtering the working fluid of a clutch separation system.
  • the external magnetic filter assembly includes a mounting part and a magnetic filter element.
  • the mounting part is used to connect to the bleeder of the clutch separation system.
  • the mounting part has a passage for the working fluid to flow, the The magnetic filter element is arranged in the passage and installed in the mounting part to attract metal impurities in the working fluid in the passage.
  • the mounting portion includes a first connecting piece and a second connecting piece, the first connecting piece is sleeved outside the second connecting piece, and the inner peripheral wall of the first connecting piece has a first connecting piece.
  • the second connector has a suction head, one end of the suction head is connected to the second step, and the other end has a port for the working fluid to pass through, and the port is radially inward.
  • the magnetic filter element is located between the inner peripheral wall of the first connecting piece and the outer peripheral wall of the attracting head, and the attracting head is made of a magnetizable material.
  • a chamfer is provided on a radially outer portion of the first step to form a first gap between the magnetic filter element and the first step in the flow direction, the The first gap is used to accommodate some of the metal impurities.
  • the length of the attraction head is equal to the length of the magnetic filter element.
  • the first connecting member is made of a non-magnetizable material.
  • a sealing ring is provided between the inner peripheral wall of the first connector and the outer peripheral wall of the second connector.
  • the mounting portion includes a first connecting piece and a second connecting piece, the first connecting piece is sleeved on the outside of the second connecting piece, and the first connecting piece is used to connect with the The high pressure pipe interface of the bleed valve or the male joint connected to the clutch auxiliary cylinder, and the second connecting piece is used as a female joint connected to the high pressure pipe or the clutch auxiliary cylinder interface of the bleed valve.
  • the mounting portion is provided with a locking position, and the locking position is used to fit a clip so that the mounting portion can be locked with the air release valve and the high-pressure pipe, or The mounting part is clamped with the air release valve and the clutch auxiliary cylinder.
  • the external magnetic filter assembly is used to connect between the bleed valve of the clutch release system and the high-pressure pipe, or between the bleed valve of the clutch release system and the clutch auxiliary cylinder.
  • the external magnetic filter can be used whether it is a manual clutch or an electronic clutch.
  • Built-in magnetic filter assembly Built-in magnetic filter assembly.
  • the external magnetic filter assembly basically does not block the flow of the working fluid, and thus has a smaller impact on the flow of the working fluid.
  • the first connecting piece and the second connecting piece not only have a connecting function, but also a function of positioning the magnetic filter element, which is beneficial to simplify the structure of the external magnetic filter assembly.
  • the first connector is used as a male connector
  • the second connector is used as a female connector, so that the external magnetic filter assembly can be quickly assembled and disassembled.
  • the first gap and the second gap can accommodate some metal impurities directly attracted by the magnetic filter element.
  • the magnetic filter element directly attracts some metal impurities, which increases the attraction surface area and improves the filtration efficiency.
  • the length of the suction head in the flow direction can be equal to the length of the magnetic filter element in the flow direction, which can obtain a higher suction efficiency.
  • the first connecting piece is made of non-magnetizable material, so that metal impurities are attracted relatively concentratedly.
  • Fig. 1 is a cross-sectional view of an external magnetic filter assembly provided by the present disclosure.
  • Fig. 2 is a cross-sectional view of the housing of the purge valve.
  • Fig. 3 is a cross-sectional view of the first connecting member of the external magnetic filter assembly.
  • Figure 4 is a cross-sectional view of a second connector of the external magnetic filter assembly.
  • Fig. 5 is an exploded schematic view of the assembly of the second connector and the clip.
  • Fig. 6 is a perspective view of a magnetic filter element.
  • the present disclosure provides an external magnetic filter assembly for a clutch release system.
  • the external magnetic filter assembly is installed on the air release valve 1 of the clutch release system. Between and high-pressure pipe 7.
  • the air release valve 1 includes a housing, and the housing includes a pipe section for the working fluid to flow.
  • the housing is provided with an air release port 15, a high-pressure pipe interface 13, and a clutch auxiliary cylinder interface 14. It includes a first pipe section 11 connected with the high-pressure pipe interface 13 and a second pipe section 12 connected with the clutch auxiliary cylinder interface 14.
  • the high-pressure pipe interface 13 is used to connect the high-pressure pipe 7, the high-pressure pipe 7 is connected to the clutch master cylinder, and the clutch secondary cylinder interface 14 is used to directly connect to the clutch secondary cylinder.
  • the inner diameter of the high-pressure pipe interface 13 is larger than the inner diameter of the clutch auxiliary cylinder interface 14, so that the high-pressure pipe interface 13 functions as a female interface when connected with the high-pressure pipe 7, and the clutch auxiliary cylinder interface 14 functions as a male interface when connected with the clutch auxiliary cylinder The role of.
  • the “flow direction” mentioned herein includes the direction in which the working fluid flows from the high-pressure pipe interface 13 to the clutch auxiliary cylinder interface 14 and the direction in which the working fluid flows from the clutch auxiliary cylinder interface 14 to the high-pressure pipe interface 13.
  • the external magnetic filter assembly includes a first connecting piece 2, a magnetic filter element 3 and a second connecting piece 4.
  • the first connecting piece 2 is sleeved outside the second connecting piece 4.
  • the magnetic filter element 3 may be connected to the first connecting member 2, for example, contact fitting or clearance fitting with the first connecting member 2.
  • the magnetic filter element 3 is fixed in the radial direction (perpendicular to the flow direction); when the magnetic filter element 3 is in clearance fit with the first connecting piece 2, the magnetic filter The element 3 may shake slightly in the radial direction, and the shaking does not basically affect the attraction of metal impurities and the flow of the working fluid.
  • the first connecting member 2 may include a large-diameter section 21 and a small-diameter section 22 arranged along the flow direction of the working fluid, and the outer diameter of the large-diameter section 21 is larger than the outer diameter of the small-diameter section 22.
  • the large-diameter section 21 is sleeved with the second connecting piece 4, and the small-diameter section 22 is used as a male joint connected to the high-pressure pipe interface 13 of the air release valve 1, for example, the small-diameter section 22 is inserted into the high-pressure pipe interface 13 and connected with the high-pressure pipe interface 13.
  • a sealing ring 51 may be provided between the outer peripheral wall of the small diameter section 22 and the inner peripheral wall of the first pipe section 11 of the air release valve 1.
  • the second connecting piece 4 is used as a female joint connected to the high-pressure pipe 7, for example, a pipe 71 is welded to the high-pressure pipe 7, and the pipe 71 is inserted into the second connecting piece 4 and connected with the second connecting piece 4.
  • a sealing ring 53 may be provided between the inner peripheral wall of the second connecting member 4 and the outer peripheral wall of the pipe 71.
  • the inner peripheral wall of the first connecting member 2 may have a first step 21a, for example, the first step 21a is located at the junction of the large-diameter section 21 and the small-diameter section 22, and the outer peripheral wall of the second connecting member 4 may have a second step 41a.
  • the step 21a and the second step 41a are spaced apart in the flow direction to position the magnetic filter element 3 in the flow direction.
  • the radially outer portion of the first step 21a may be chamfered, so that there is a first gap 43 between the magnetic filter element 3 and the first step 21a in the flow direction, and the first gap 43 can accommodate some metal impurities. In this way, the magnetic filter element 3 directly attracts some metal impurities, which increases the attraction surface area and improves the filtration efficiency.
  • the first connection piece 2 and the second connection piece 4 are used to connect to the mounting portion between the purge valve 1 and the high-pressure pipe 7, and the inside of the first connection piece 2 and the second connection piece 4 (mounting portion) are provided
  • the magnetic filter element 3 is provided in the passage and can attract metal impurities of the working fluid in the passage, thereby purifying the working fluid flowing to the clutch release system and returning to the oil storage tank.
  • the first connecting piece 2 and the second connecting piece 4 not only have a connecting function, but also a function of positioning the magnetic filter element 3, which is beneficial to simplify the structure of the external magnetic filter assembly.
  • the above-mentioned mounting part may also be connected between the air release valve 1 of the clutch release system and the clutch auxiliary cylinder of the clutch release system.
  • the first connector 2 can be used as a male connector connected with the clutch auxiliary cylinder
  • the second connector 4 can be used as a female connector connected with the clutch auxiliary cylinder interface 14 of the air release valve 1.
  • the first connector 2 is used as a male connector
  • the second connector 4 is used as a female connector, so that the external magnetic filter assembly can be quickly assembled and disassembled.
  • the external magnetic filter assembly is used to connect between the bleed valve 1 of the clutch release system and the high-pressure pipe 7, or between the bleed valve 1 of the clutch release system and the clutch auxiliary cylinder, whether it is a manual clutch or an electronic clutch. Use this external magnetic filter assembly.
  • fine metal impurities in the working fluid flowing from the oil storage tank to the clutch release system and from the clutch release system to the oil storage tank can be attracted by the magnetic filter element 3.
  • the external magnetic filter assembly basically does not block the flow of the working fluid, and thus has a smaller impact on the flow of the working fluid.
  • the second connecting member 4 has a connecting body 41 and a suction head 42 arranged along the flow direction.
  • the outer diameter of the suction head 42 is smaller than the outer diameter of the connecting body 41.
  • the second step 41a is located at the junction of the suction head 42 and the connecting body 41.
  • the connecting body 41 is connected to the large-diameter section 21 of the first connecting member 2, and one end of the suction head 42 is connected to the second step 41a, and the other end has a port 42a through which the working fluid passes, and the port 42a is closed radially inward.
  • a sealing ring 52 is provided between the inner peripheral wall of the large-diameter section 21 of the first connecting member 2 and the outer peripheral wall of the connecting body 41 of the second connecting member 4 to prevent the working fluid from flowing from the first connecting member 2 and the second connecting member 4 Leaked between 4.
  • the magnetic filter element 3 is located between the inner peripheral wall of the first connecting member 2 and the outer peripheral wall of the attracting head 42.
  • the attracting head 42 may be made of a magnetizable material.
  • the port 42a is retracted radially inward so that the inner peripheral wall of the port 42a and the inner peripheral wall of the other part of the suction head 42 connected to it (ie, with the flow direction) form an angle greater than 90 degrees.
  • the metal impurities inside the suction head 42 will be attracted to the inner peripheral wall of the suction head 42, specifically, to the part of the suction head 42 other than the port 42a. In this way, the constricted portion of the port 42a of the suction head 42 has a shielding effect, thereby preventing the attracted metal impurities from flowing away with the working fluid.
  • the radial dimension of the outer peripheral wall of the attracting head 42 may be smaller than the radial dimension of the inner peripheral wall of the magnetic filter element 3, that is, there may be a second gap 44 between the outer peripheral wall of the attracting head 42 and the inner peripheral wall of the magnetic filter element 3.
  • the second gap 44 is used to contain some metal impurities.
  • part of the working fluid will flow to the second gap 44 under the guidance of the closing part of the port 42a of the suction head 42, and a part of the metal impurities will be contained in the second gap 44.
  • the inner peripheral wall of the magnetic filter element 3 directly attracts some metal impurities, which further increases the attracting surface area and improves the filtration efficiency.
  • the magnetic filter element 3 may be cylindrical, which is arranged along the flow direction.
  • the length of the attracting head 42 in the flow direction may be equal to (including approximately equal to, for example, slightly greater or slightly less than) the length of the magnetic filter element 3 in the flow direction, which makes the area magnetized by the magnetic filter element 3 larger and can obtain Higher attraction efficiency.
  • the first connecting member 2 is preferably made of a non-magnetizable material, such as plastic. In this way, the metal impurities are attracted to the magnetic filter element 3 and the second connecting member 4 in a relatively concentrated manner.
  • both the first connecting piece 2 and the second connecting piece 4 may be provided with a locking position, which is used to fit the clips 61 and 62 so that the first connecting member 2 and the air release valve
  • the high-pressure pipe interface 13 of 1 is clamped, and the second connecting piece 4 is clamped with the high-pressure pipe 7.
  • the high-pressure pipe interface 13 of the bleed valve 1 and the high-pressure pipe 7 are clamped together.
  • the external magnetic filter assembly can be used without changing the structure of the air release valve 1 and the high-pressure pipe 7, which reduces the use cost and improves the installation convenience.
  • the above-mentioned magnetic filter element 3 may be a magnet.
  • the present disclosure also provides a clutch release system with the above-mentioned external magnetic filter assembly.
  • the clutch release system also includes a clutch master cylinder or a modular clutch actuator connected to one end of the housing of the air release valve 1, and a clutch actuator connected to the housing The clutch auxiliary cylinder at the other end.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Magnetically Actuated Valves (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Pens And Brushes (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

一种外置式磁性过滤组件，其用于过滤离合器分离系统的工作液，外置式磁性过滤组件包括安装部和磁性过滤元件(3)，安装部用于连接于离合器分离系统的放气阀(1)和离合器分离系统的高压管(7)之间，或者连接于放气阀(1)和离合器分离系统的离合器副缸之间，安装部具有供工作液流动的通路，磁性过滤元件(3)设于通路内并安装于安装部以吸引通路内的工作液中的金属杂质。无论是手动离合器还是电子离合器均能够使用该外置式磁性过滤组件，从储油罐流向离合器分离系统和从离合器分离系统流向储油罐的工作液内的细小的金属杂质均能够被磁性过滤元件(3)吸引。

Description

外置式磁性过滤组件 技术领域
本发明涉及离合器领域，且特别地涉及一种外置式磁性过滤组件。
背景技术
中国实用新型CN205937569U记载了一种带滤网的离合器主缸进油结构，其包括CMC(离合器分离主缸)的缸体进油接口、过滤网组件和波纹进油管。过滤网组件的一端插入到缸体进油接口的内部，另一端连接到缸体进油接口的端面和波纹进油管之间。工作液从波纹进油管经过滤网组件的过滤后，通过过滤网组件和缸体进油接口内壁间的间隙进入到CMC内。
上述现有技术存在以下缺陷：
第一，过滤网组件安装在CMC的缸体进油接口与低压管的连接位置，在电子离合器中采用MCA(模块化离合器执行器)替代CMC，该过滤网组件不再适用。
第二，过滤网组件使用过滤网实现过滤功能，由于要兼顾系统效率，过滤网的过滤孔不宜过小，导致无法过滤尺寸小于过滤孔的尺寸的细小的金属杂质。
第三，在工作液从CMC向储油罐回流的过程中，先前被过滤网组件过滤的杂质可能随工作液回流。
发明内容
本发明的目的在于克服或至少减轻上述现有技术存在的不足，提供一种过滤效果好、适用范围广的用于离合器分离系统的外置式磁性过滤组件。
提供一种外置式磁性过滤组件，用于过滤离合器分离系统的工作液，所 述外置式磁性过滤组件包括安装部和磁性过滤元件，所述安装部用于连接于所述离合器分离系统的放气阀和所述离合器分离系统的高压管之间，或者连接于所述放气阀和所述离合器分离系统的离合器副缸之间，所述安装部具有供所述工作液流动的通路，所述磁性过滤元件设于所述通路内并安装于所述安装部以吸引所述通路内的所述工作液中的金属杂质。
在至少一个实施方式中，所述安装部包括第一连接件和第二连接件，所述第一连接件在所述第二连接件的外部套装，所述第一连接件的内周壁具有第一台阶，所述第二连接件的外周壁具有第二台阶，所述第一台阶和所述第二台阶在所述工作液的流动方向上间隔开以在所述流动方向上定位所述磁性过滤元件。
在至少一个实施方式中，所述第二连接件具有吸引头，所述吸引头的一端连接于所述第二台阶，另一端具有供所述工作液通过的端口，所述端口径向向内收口，所述磁性过滤元件位于所述第一连接件的内周壁和所述吸引头的外周壁之间，所述吸引头由可磁化的材料制成。
在至少一个实施方式中，在所述第一台阶的径向外侧部分具有倒角，以在所述流动方向上在所述磁性过滤元件与所述第一台阶之间形成第一间隙，所述第一间隙用于容纳一些所述金属杂质。
在至少一个实施方式中，在所述吸引头的外周壁与所述磁性过滤元件之间具有第二间隙，所述第二间隙用于容纳一些所述金属杂质。
在至少一个实施方式中，所述吸引头的长度等于所述磁性过滤元件的长度。
在至少一个实施方式中，所述第一连接件由不可磁化的材料制成。
在至少一个实施方式中，在所述第一连接件的内周壁和所述第二连接件的外周壁之间设有密封圈。
在至少一个实施方式中，所述安装部包括第一连接件和第二连接件，所述第一连接件在所述第二连接件的外部套装，所述第一连接件用作与所述放气阀的高压管接口或者所述离合器副缸连接的公接头，所述第二连接件用作与所述高压管或者所述放气阀的离合器副缸接口连接的母接头。
在至少一个实施方式中，所述安装部设有卡位，所述卡位用于与卡夹适配从而使所述安装部与所述放气阀和所述高压管卡接，或者使所述安装部与所述放气阀和所述离合器副缸卡接。
本公开提供的技术方案至少具有以下有益效果：
该外置式磁性过滤组件用于连接于离合器分离系统的放气阀与高压管之间，或者离合器分离系统的放气阀与离合器副缸之间，无论是手动离合器还是电子离合器均能够使用该外置式磁性过滤组件。此外，从储油罐流向离合器分离系统和从离合器分离系统流向储油罐的工作液内的细小的金属杂质均能够被磁性过滤元件吸引。相比于滤网式的过滤装置，该外置式磁性过滤组件基本不会阻挡工作液的流动从而对工作液的流量的影响较小。
本公开提供的技术方案还可以具有以下有益效果：
第一连接件和第二连接件不仅具有连接作用，还起到定位磁性过滤元件的作用，这有利于简化外置式磁性过滤组件的结构。
第一连接件用作公接头，第二连接件用作母接头从而能够实现外置式磁性过滤组件的快捷拆装。
第一间隙和第二间隙可以容纳被磁性过滤元件直接吸引的一些金属杂质。这样，磁性过滤元件直接吸引一些金属杂质，增大了吸引表面积，提高了过滤效率。
吸引头的在流动方向上的长度可以等于磁性过滤元件在流动方向上的长度，这能够获得较高的吸引效率。
第一连接件由不可磁化的材料，这样金属杂质相对集中的被吸引。
附图说明
图1是本公开提供的外置式磁性过滤组件的剖视图。
图2是放气阀的壳体的剖视图。
图3是外置式磁性过滤组件的第一连接件的剖视图。
图4是外置式磁性过滤组件的第二连接件的剖视图。
图5是第二连接件与卡夹的装配体的分解示意图。
图6是磁性过滤元件的立体图。
附图标记说明：
1放气阀、11第一管段、12第二管段、13高压管接口、14离合器副缸接口、15放气口、2第一连接件、21大径段、22小径段、21a第一台阶、3磁性过滤元件、4第二连接件、41连接主体、41a第二台阶、42吸引头、42a端口、43第一间隙、44第二间隙、51、52、53密封圈、61、62卡夹、7高压管、71管件。
具体实施方式
下面参照附图描述本发明的示例性实施方式。
如图1所示，本公开提供了一种用于离合器分离系统的外置式磁性过滤组件，在图1示出的实施例中，该外置式磁性过滤组件安装于离合器分离系统的放气阀1与高压管7之间。
如图1和图2所示，放气阀1包括壳体，壳体包括供工作液流动的管段，在壳体上设有放气口15、高压管接口13和离合器副缸接口14，上述管段包括与高压管接口13连接的第一管段11和与离合器副缸接口14连接的第二管段12。高压管接口13用于连接高压管7，高压管7连接于离合器主缸，离合器副 缸接口14用于直接连接至离合器副缸。高压管接口13的内径大于离合器副缸接口14的内径，从而高压管接口13在与高压管7连接时起到母接口的作用，离合器副缸接口14在与离合器副缸连接时起到公接口的作用。
说明，本文所述“流动方向”包括工作液从高压管接口13流向离合器副缸接口14的方向和从离合器副缸接口14流向高压管接口13的方向。
如图1、图3和图4所示，该外置式磁性过滤组件包括第一连接件2、磁性过滤元件3和第二连接件4，第一连接件2在第二连接件4的外部套装，磁性过滤元件3可以连接于第一连接件2，例如与第一连接件2接触配合或者间隙配合。当磁性过滤元件3与第一连接件2接触配合时，磁性过滤元件3在径向(垂直于流动方向)上固定不动；当磁性过滤元件3与第一连接件2间隙配合时，磁性过滤元件3在径向上可以发生轻微的晃动，该晃动基本不影响对金属杂质的吸引和工作液的流动。
第一连接件2可以包括沿工作液的流动方向排布的大径段21和小径段22，大径段21的外径大于小径段22的外径。大径段21套装第二连接件4，小径段22用作与放气阀1的高压管接口13连接的公接头，例如小径段22插入高压管接口13并与高压管接口13连接。可以在小径段22的外周壁与放气阀1的第一管段11的内周壁之间设置密封圈51。第二连接件4用作与高压管7连接的母接头，在高压管7上例如焊接有管件71，管件71插入第二连接件4并与第二连接件4连接。可以在第二连接件4的内周壁与管件71的外周壁之间设置密封圈53。
第一连接件2的内周壁可以具有第一台阶21a，第一台阶21a例如位于大径段21和小径段22的连接处，第二连接件4的外周壁可以具有第二台阶41a，第一台阶21a和第二台阶41a在流动方向上间隔开以在流动方向上定位磁性过滤元件3。
第一台阶21a的径向外侧部分可以形成倒角，从而在流动方向上在磁性过滤元件3与第一台阶21a之间具有第一间隙43，第一间隙43可以容纳一些金属杂质。这样，磁性过滤元件3直接吸引一些金属杂质，增大了吸引表面积，提高了过滤效率。
第一连接件2和第二连接件4用作连接至在放气阀1和高压管7之间的安装部，在第一连接件2和第二连接件4(安装部)的内部具有供工作液流动的通路，磁性过滤元件3设于该通路内并能够吸引通路内的工作液的金属杂质，从而净化流向离合器分离系统和向储油罐回流的工作液。
第一连接件2和第二连接件4不仅具有连接作用，还起到定位磁性过滤元件3的作用，这有利于简化外置式磁性过滤组件的结构。
在其他实施方式中，上述安装部还可以连接于离合器分离系统的放气阀1和离合器分离系统的离合器副缸之间。例如，第一连接件2可以用作与离合器副缸连接的公接头，第二连接件4可以用作与放气阀1的离合器副缸接口14连接的母接头。
第一连接件2用作公接头，第二连接件4用作母接头从而能够实现外置式磁性过滤组件的快捷拆装。
该外置式磁性过滤组件用于连接于离合器分离系统的放气阀1与高压管7之间，或者离合器分离系统的放气阀1与离合器副缸之间，无论是手动离合器还是电子离合器均能够使用该外置式磁性过滤组件。此外，从储油罐流向离合器分离系统和从离合器分离系统流向储油罐的工作液内的细小的金属杂质均能够被磁性过滤元件3吸引。相比于滤网式的过滤装置，该外置式磁性过滤组件基本不会阻挡工作液的流动从而对工作液的流量的影响较小。
第二连接件4具有沿流动方向排布的连接主体41和吸引头42，吸引头42的外径小于连接主体41的外径，第二台阶41a位于吸引头42和连接主体41的 连接处。连接主体41与第一连接件2的大径段21连接，吸引头42的一端连接于第二台阶41a，另一端具有供工作液通过的端口42a，该端口42a径向向内收口。在第一连接件2的大径段21的内周壁和第二连接件4的连接主体41的外周壁之间设有密封圈52，从而防止工作液从第一连接件2和第二连接件4之间泄露。磁性过滤元件3位于第一连接件2的内周壁和吸引头42的外周壁之间，吸引头42可以由可磁化的材料制成。
应当理解，端口42a径向向内收口而使得端口42a的内周壁与与其连接的吸引头42的其他部分的内周壁(即与流动方向)形成大于90度的角度。
当工作液从吸引头42的径向内侧流过时，其内部的金属杂质将被吸引至吸引头42的内周壁，具体地，被吸引至吸引头42的除端口42a以外的部分。这样，吸引头42的端口42a的收口部分具有遮挡作用，从而能够防止被吸引的金属杂质随工作液流走。
吸引头42的外周壁的径向尺寸可以小于磁性过滤元件3的内周壁的径向尺寸，即在吸引头42的外周壁与磁性过滤元件3的内周壁之间可以具有第二间隙44，第二间隙44用于容纳一些金属杂质。当流回储油罐的工作液经过该外置式磁性过滤组件时，部分工作液在吸引头42的端口42a的收口部分的导向下流向上述第二间隙44，一部分的金属杂质将容纳在第二间隙44内。磁性过滤元件3的内周壁直接吸引一些金属杂质，进一步增大了吸引表面积，提高了过滤效率。
如图1和图6所示，磁性过滤元件3可以为筒状，其沿流动方向布置。吸引头42的在流动方向上的长度可以等于(包括大致等于，例如略大于或者略小于)磁性过滤元件3在流动方向上的长度，这使得被磁性过滤元件3磁化的面积更大，能够获得较高的吸引效率。
第一连接件2优选地由不可磁化的材料，例如塑料制成。这样金属杂质 相对集中的被吸引于磁性过滤元件3和第二连接件4。
如图1和图5所示，第一连接件2和第二连接件4均可以设有卡位，卡位用于与卡夹61、62适配从而使第一连接件2与放气阀1的高压管接口13卡接，以及使第二连接件4与高压管7卡接。在不设有该外置式磁性过滤组件的离合器分离系统中，放气阀1的高压管接口13与高压管7通过卡夹卡接。该外置式磁性过滤组件能够在不更改放气阀1和高压管7的结构的前提下使用，降低了使用成本，提高了安装便利性。
具体地，上述磁性过滤元件3可以为磁铁。
本公开还提供具有上述外置式磁性过滤组件的离合器分离系统，该离合器分离系统还包括连接至放气阀1的壳体的一端的离合器主缸或模块化离合器执行器，以及连接至壳体的另一端的离合器副缸。
当然，本发明不限于上述实施方式，本领域技术人员在本发明的教导下可以对本发明的上述实施方式做出各种变型，而不脱离本发明的范围。

Claims (10)

  1. 一种外置式磁性过滤组件，用于过滤离合器分离系统的工作液，其中，所述外置式磁性过滤组件包括安装部和磁性过滤元件(3)，所述安装部用于连接于所述离合器分离系统的放气阀(1)和所述离合器分离系统的高压管(7)之间，或者连接于所述放气阀(1)和所述离合器分离系统的离合器副缸之间，所述安装部具有供所述工作液流动的通路，所述磁性过滤元件(3)设于所述通路内并安装于所述安装部以吸引所述通路内的所述工作液中的金属杂质。
  2. 根据权利要求1所述的外置式磁性过滤组件，其特征在于，所述安装部包括第一连接件(2)和第二连接件(4)，所述第一连接件(2)在所述第二连接件(4)的外部套装，所述第一连接件(2)的内周壁具有第一台阶(21a)，所述第二连接件(4)的外周壁具有第二台阶(41a)，所述第一台阶(21a)和所述第二台阶(41a)在所述工作液的流动方向上间隔开以在所述流动方向上定位所述磁性过滤元件(3)。
  3. 根据权利要求2所述的外置式磁性过滤组件，其特征在于，所述第二连接件(4)具有吸引头(42)，所述吸引头(42)的一端连接于所述第二台阶(41a)，另一端具有供所述工作液通过的端口(42a)，所述端口(42a)径向向内收口，所述磁性过滤元件(3)位于所述第一连接件(2)的内周壁和所述吸引头(42)的外周壁之间，所述吸引头(42)由可磁化的材料制成。
  4. 根据权利要求2所述的外置式磁性过滤组件，其特征在于，在所述第一台阶(21a)的径向外侧部分具有倒角，以在所述流动方向上在所述磁性过滤元件(3)与所述第一台阶(21a)之间形成第一间隙(43)，所述第一间隙(43)用于容纳一些所述金属杂质。
  5. 根据权利要求3所述的外置式磁性过滤组件，其特征在于，在所述吸引头(42)的外周壁与所述磁性过滤元件(3)之间具有第二间隙(44)，所 述第二间隙(44)用于容纳一些所述金属杂质。
  6. 根据权利要求3所述的外置式磁性过滤组件，其特征在于，所述吸引头(42)的长度等于所述磁性过滤元件(3)的长度。
  7. 根据权利要求2所述的外置式磁性过滤组件，其特征在于，所述第一连接件(2)由不可磁化的材料制成。
  8. 根据权利要求2所述的外置式磁性过滤组件，其特征在于，在所述第一连接件(2)的内周壁和所述第二连接件(4)的外周壁之间设有密封圈(52)。
  9. 根据权利要求1所述的外置式磁性过滤组件，其特征在于，所述安装部包括第一连接件(2)和第二连接件(4)，所述第一连接件(2)在所述第二连接件(4)的外部套装，所述第一连接件(2)用作与所述放气阀(1)的高压管接口(13)或者所述离合器副缸连接的公接头，所述第二连接件(4)用作与所述高压管(7)或者所述放气阀(1)的离合器副缸接口(14)连接的母接头。
  10. 根据权利要求1所述的外置式磁性过滤组件，其特征在于，所述安装部设有卡位，所述卡位用于与卡夹(61、62)适配从而使所述安装部与所述放气阀(1)和所述高压管(7)卡接，或者使所述安装部与所述放气阀(1)和所述离合器副缸卡接。
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CN207864022U (zh) * 2017-12-30 2018-09-14 盛瑞传动股份有限公司 滤清器及混合动力车辆
CN208578899U (zh) * 2018-06-02 2019-03-05 重庆泰凯鑫机械有限公司 一种汽车零部件用中心套组件
CN208651334U (zh) * 2018-09-06 2019-03-26 海马汽车有限公司 一种吸滤器总成及双离合器汽车

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CN115023277A (zh) 2022-09-06
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