WO2015189061A1 - Cylindre hydraulique, son procede de fabrication et systeme de commande d'embrayage ou de freinage comprenant ledit cylindre - Google Patents
Cylindre hydraulique, son procede de fabrication et systeme de commande d'embrayage ou de freinage comprenant ledit cylindre Download PDFInfo
- Publication number
- WO2015189061A1 WO2015189061A1 PCT/EP2015/062099 EP2015062099W WO2015189061A1 WO 2015189061 A1 WO2015189061 A1 WO 2015189061A1 EP 2015062099 W EP2015062099 W EP 2015062099W WO 2015189061 A1 WO2015189061 A1 WO 2015189061A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sleeve
- hydraulic cylinder
- rod
- wall
- ears
- Prior art date
- Legal status (The legal status 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 status listed.)
- Ceased
Links
Classifications
-
- 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
- F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
- F15B7/06—Details
- F15B7/08—Input units; Master units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE 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
- B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
- B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
- B60T11/16—Master control, e.g. master cylinders
- B60T11/165—Single master cylinders for pressurised systems
-
- 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
-
- 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
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
-
- 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
- F16D2025/081—Hydraulic devices that initiate movement of pistons in secondary cylinders for actuating clutches, i.e. primary cylinders
-
- 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
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0212—Details of pistons for primary or secondary cylinders especially adapted for fluid control
-
- 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
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0224—Details of conduits, connectors or the adaptors therefor specially adapted for clutch control
Definitions
- Hydraulic cylinder its manufacturing method and clutch or brake control system comprising said cylinder
- the present invention relates to a hydraulic cylinder.
- the invention relates to a new hydraulic cylinder structure which finds a specific application in the field of hydraulic controls of clutch systems or braking systems of motor vehicles.
- These hydraulic control devices generally comprise a master cylinder said transmitter cylinder containing a piston whose rod is connected to a pedal (clutch or brake) which is actuated by the driver of the vehicle.
- this master cylinder is connected via a hydraulic fluid line to a downstream cylinder, said receiving cylinder, which acts directly on the means making it possible to couple (clutch phase) or decouple (disengage phase) the flywheel engine of the gearbox.
- the emitter cylinder generally has small dimensions and is made, at least partially, by molding thermoplastic or thermosetting materials.
- this cylinder For both economic and environmental reasons and, mainly, to facilitate the initial assembly of the cylinder and subsequent recycling of its various constituent materials, this cylinder consists of the assembly of several parts.
- These cylinders comprise a body closed at its rear part by a socket insert and which contain a piston integral with a rod projecting outwardly through the sleeve.
- the sleeve also forms a piston guide sleeve, which comes into end of stroke backwards against a fork attached to the bushing.
- connection between the body and the socket is provided by complex means that are difficult to implement without elaborate tools.
- EP 0345451 it is intended to assemble the sleeve by screwing into the body.
- the sleeve is welded into the body.
- connection mode requires a welding station and has, moreover, the disadvantage of not being removable.
- sleeve is irreversibly snapped into the body which does not allow its subsequent disassembly to perform maintenance or recycling of the cylinder material after use.
- the present invention aims to solve these technical problems satisfactorily and reliably by proposing a simple solution to implement industrially and economically advantageous.
- a hydraulic cylinder characterized in that it comprises bayonet assembly means providing the removable connection between the body and the socket, spacer sealing means and means reversible locking of this link.
- the locking means comprise a detachable fork slidably receiving the rod and at least one of the ends protruding through a slot in the wall of the bushing to come hang in a niche of the back part of the body.
- the fork has a central receiving orifice of the rod delimited on its inner edge by an annular chamfer forming end stop for a flange carried by the inner end of the rod.
- the sealing means comprise at least one annular seal compressed by the inner end of the sleeve against the inner wall of the body during its assembly with the sleeve.
- the assembly means comprise at least two peripheral lugs carried by the outer wall of the sleeve cooperating, firstly by axial translation and then by rotation of the sleeve, with at least two corresponding grooves formed on the wall. interior of said body.
- the inner wall of the rear portion of the body comprises at least two longitudinal cavities forming slides for the ears during the translation of the sleeve in the body.
- the inner ends of the cavities are closed by a radial wall forming a stop for the ears during the translation of the sleeve.
- the grooves open out of the body via at least one hearing while the ears consist of cylinder portions with beveled longitudinal edges.
- said grooves open out at one of their ends via an opening and are closed at their other end by a lug forming a stop for the rotation of said lugs.
- Another object of the invention is a method of manufacturing a cylinder as defined above, characterized in that the sleeve is inserted in axial translation in the rear part of the body by engaging the ears in the cavities forming slides and, once the ears are in abutment, the sleeve is rotated a fraction of a turn so as to engage the ears in the grooves, the piston and its rod are then inserted into the socket and the assembly is locked in position. mounting the fork through the bushing and around the stem and locking its rotating end in the crenel of the back part of the body.
- Yet another subject of the invention is a clutch or brake control system for a motor vehicle comprising an operating member that can be actuated by the driver, a slave cylinder connected kinematically to coupling and uncoupling means. of the clutch or the brake and a transmitter cylinder according to the first subject of the invention, characterized in that the piston is kinematically connected to the operating member while the emitter cylinder is hydraulically connected to the receiving cylinder.
- FIGS. 1A, 1B and 1C represent, respectively, a perspective view, in axial section and from above, of a first embodiment of the hydraulic cylinder according to the invention.
- FIGS. 2A, 2B, 2C and 2D show views, respectively, in perspective, in axial section and in section along planes CC and DD from the left side (FIG. 2B), of the body of the cylinder according to FIG. 1A.
- Figure 2E shows a sectional view of a variant of the body of Figure 2C.
- Figure 2F shows a sectional view of a variant of the body of Figure 2C but here from the right side.
- FIG. 3A, 3B, 3C and 3D show views, respectively, in perspective, rear profile, in axial section along the plane CC ( Figure 3B) and side, the sleeve of the cylinder according to Figure 1A.
- the hydraulic cylinder shown in the figures is intended to be used as master cylinder or transmitter cylinder in a hydraulic clutch control of motor vehicles.
- This cylinder comprises a body 1 which encloses a piston P provided with a rod T.
- a bushing 2 for guiding the piston P is engaged, at least partially, in the rear part of the body 1, as illustrated in FIG. 1 A.
- this cylinder also comprises bayonet assembly means ensuring the removable connection between the body 1 and the sleeve 2 as well as intermediate sealing means and reversible locking means of this connection which will be described in detail later.
- the sealing means are said to be interposed because they seal the connection between the inner wall of the body and the outer wall of the sleeve which is engaged in the rear part of the body.
- the primary seal is ensured by the use of at least one annular or O-ring called primary seal 4 which is blocked by bearing against an internal shoulder 14 of the body 1.
- the shoulder 14 is adjusted according to the respective thicknesses of the walls of the body 1 and the sleeve 2 and ensures their nesting coaxial and flush.
- the dynamic sealing means here comprise, in addition, another annular seal 4 'said secondary seal which is compressed, in an intermediate manner, by the inner end of the sleeve 2 against the outer wall of the piston P during its assembly with the sleeve and which is disposed behind said primary seal.
- the static seal is completed by an annular or ring seal 4 "which is compressed radially in a peripheral groove 23 of the sleeve 2 against the inner wall of the body 1.
- the assembly means of the body with the sleeve are of the bayonet type.
- These means comprise at least two peripheral lugs 21 which protrude from the outer wall of the sleeve 2 and which cooperate with at least two corresponding grooves 10 formed on the inner wall of the body 1.
- the lugs 21 consist of cylinder portions with bevelled longitudinal edges, as shown in FIG. 3A while the grooves 10 have a profile. at least partially cylindrical and of dimensions adapted to those of the ears 21.
- the ears are reinforced by transverse ribs 21a.
- Each of the grooves 10 opens out of the body 1 via at least one hearing and, in the embodiment illustrated by Figures 1A, 2A and 2C, via two louvers 10a.
- the grooves 10 are open at one of their ends via gills 10b while their other end is closed by an inner lug 30.
- This lug serves as a stop in rotation for the ears 21.
- the sleeve 2 is provided, on its inner wall, with a longitudinal groove 22 (FIGS. 3A, 3B and 3C) ensuring the rotational locking of the piston P and, on its outer wall, a flange 24 (FIGS. 3A, 3C and 3D).
- the assembly of the body 1 and the sleeve 2 is carried out as follows.
- the sleeve 2 is introduced by axial translation forward in the rear part 1a of the body 1.
- each of the lugs 21 slides in a longitudinal cavity 1 1 forming a slide which is formed in the inner wall of the rear portion 1a of the body 1 (see Figure 2A). This translation continues until the stroke of the sleeve is stopped by abutting the ears against walls 12 of the body 1 which extend radially inwardly (Figure 2F).
- Each of these walls 12 delimits one of the grooves 10 so that the rotation of the sleeve 2 by a fraction of a turn (in one direction or the other if the lugs are diametrically opposed and identical) then leads to engage and then to slidably move the lugs 21 in the curvilinear grooves 10.
- the angular travel of the lugs 21 is guided in the grooves 10 and continues until their beveled ends are opposite lugs 10a, as shown in FIG. and finally arrive in abutment.
- the next step is to insert the piston P and its rod T into the bushing 2 from the rear until the piston enters the body 1.
- the piston P and the rod T are separably connected by an interference-assembled rod F and an R-joint.
- the inner part of the rod T carries a flange C arranged near the ball R.
- the locking means of the sleeve 2 in the body 1 comprises a removable fork 3 receiving the piston rod T of the piston P slidably, as shown in Figures 1 A and 1 B.
- the fork 3 has a central hole 30 (FIG. 1B) for receiving the rod T. This orifice is delimited, on its inner edge, by a chamfer or annular ray 30a forming a limit stop for the collar C of the rod T.
- At least one of the ends of this fork protrudes through a slot 20 formed in the wall of the sleeve 2.
- the sleeve 2 is provided with two diametrically opposed slots 20 in which the two ends of the fork 3 are wedged by locking, outside, in a slot 13 of the rear part 1 of the body 1.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transportation (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Braking Arrangements (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020167034796A KR20170020772A (ko) | 2014-06-13 | 2015-06-01 | 유압 실린더, 그 제조 방법 및 상기 실린더를 포함하는 클러치 또는 브레이크 제어 시스템 |
| BR112016027994A BR112016027994A2 (pt) | 2014-06-13 | 2015-06-01 | Cilindro hidráulico, seu processo de fabricação e sistema de comando de embreagem ou de frenagem que compreende o dito cilindro |
| CN201580031752.7A CN106460876B (zh) | 2014-06-13 | 2015-06-01 | 液压缸、其制造方法、以及包括所述缸的离合器或制动器控制系统 |
| DE112015002795.5T DE112015002795T5 (de) | 2014-06-13 | 2015-06-01 | Hydraulikzylinder, sein Herstellungsverfahren und Kupplungs- oder Bremssteuersystem mit diesem Zylinder |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1455454 | 2014-06-13 | ||
| FR1455454A FR3022306B1 (fr) | 2014-06-13 | 2014-06-13 | Cylindre hydraulique, son procede de fabrication et systeme de commande d'embrayage ou de freinage comprenant ledit cylindre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015189061A1 true WO2015189061A1 (fr) | 2015-12-17 |
Family
ID=51570587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2015/062099 Ceased WO2015189061A1 (fr) | 2014-06-13 | 2015-06-01 | Cylindre hydraulique, son procede de fabrication et systeme de commande d'embrayage ou de freinage comprenant ledit cylindre |
Country Status (6)
| Country | Link |
|---|---|
| KR (1) | KR20170020772A (fr) |
| CN (1) | CN106460876B (fr) |
| BR (1) | BR112016027994A2 (fr) |
| DE (1) | DE112015002795T5 (fr) |
| FR (1) | FR3022306B1 (fr) |
| WO (1) | WO2015189061A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017140307A1 (fr) * | 2016-02-18 | 2017-08-24 | Schaeffler Technologies AG & Co. KG | Cylindre émetteur d'embrayage |
| WO2018054619A1 (fr) * | 2016-09-26 | 2018-03-29 | Continental Teves Ag & Co. Ohg | Dispositif de freinage pour un système de freinage hydraulique de véhicule automobile |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3069594B1 (fr) * | 2017-07-31 | 2019-08-23 | Valeo Embrayages | Actionneur d'embrayage |
| CN108216176B (zh) * | 2018-01-24 | 2020-12-22 | 浙江黎盛新材料科技有限公司 | 一种新能源汽车专用制动方法 |
| CN108082167B (zh) * | 2018-01-24 | 2020-10-27 | 威马汽车科技集团有限公司 | 一种新能源汽车专用制动阀 |
| CN108724901B (zh) * | 2018-06-01 | 2023-12-12 | 东君新能源有限公司 | 一种层压设备的连接装置 |
| IT201900006706A1 (it) * | 2019-05-10 | 2020-11-10 | Raicam Driveline S R L | Cilindro idraulico, particolarmente per il comando di un innesto a frizione in un veicolo a motore |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0778425A1 (fr) * | 1995-12-05 | 1997-06-11 | Valeo | Dispositif perfectionné de commande hydraulique d'un embrayage de véhicule automobile |
| FR2954421A1 (fr) * | 2009-12-17 | 2011-06-24 | Schaeffler Technologies Gmbh & Co Kg | Carter pour un element a l'interieur d'une voie hydraulique |
| DE102011086815A1 (de) * | 2010-12-20 | 2012-06-21 | Schaeffler Technologies Gmbh & Co. Kg | Gehäuse für ein Bauteil innerhalb einer hydraulischen Strecke |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3436312A1 (de) * | 1984-10-04 | 1986-04-10 | Volkswagen AG, 3180 Wolfsburg | Druckgeber fuer eine hydraulische anlage |
| DE19537423A1 (de) * | 1995-10-07 | 1997-04-17 | Schaeffler Waelzlager Kg | Geberzylinder |
| CN201944146U (zh) * | 2011-01-04 | 2011-08-24 | 浙江吉利汽车研究院有限公司 | 低噪声的离合器总泵 |
| CN203161897U (zh) * | 2013-01-29 | 2013-08-28 | 安徽江淮汽车股份有限公司 | 一种启停系统用离合器主缸 |
| CN203441869U (zh) * | 2013-09-09 | 2014-02-19 | 莱芜钢铁集团有限公司 | 一种agc液压缸 |
-
2014
- 2014-06-13 FR FR1455454A patent/FR3022306B1/fr not_active Expired - Fee Related
-
2015
- 2015-06-01 CN CN201580031752.7A patent/CN106460876B/zh not_active Expired - Fee Related
- 2015-06-01 BR BR112016027994A patent/BR112016027994A2/pt not_active Application Discontinuation
- 2015-06-01 KR KR1020167034796A patent/KR20170020772A/ko not_active Withdrawn
- 2015-06-01 WO PCT/EP2015/062099 patent/WO2015189061A1/fr not_active Ceased
- 2015-06-01 DE DE112015002795.5T patent/DE112015002795T5/de not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0778425A1 (fr) * | 1995-12-05 | 1997-06-11 | Valeo | Dispositif perfectionné de commande hydraulique d'un embrayage de véhicule automobile |
| FR2954421A1 (fr) * | 2009-12-17 | 2011-06-24 | Schaeffler Technologies Gmbh & Co Kg | Carter pour un element a l'interieur d'une voie hydraulique |
| DE102011086815A1 (de) * | 2010-12-20 | 2012-06-21 | Schaeffler Technologies Gmbh & Co. Kg | Gehäuse für ein Bauteil innerhalb einer hydraulischen Strecke |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017140307A1 (fr) * | 2016-02-18 | 2017-08-24 | Schaeffler Technologies AG & Co. KG | Cylindre émetteur d'embrayage |
| WO2018054619A1 (fr) * | 2016-09-26 | 2018-03-29 | Continental Teves Ag & Co. Ohg | Dispositif de freinage pour un système de freinage hydraulique de véhicule automobile |
| US10864897B2 (en) | 2016-09-26 | 2020-12-15 | Continental Teves Ag & Co. Ohg | Brake device for a hydraulic motor vehicle brake system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170020772A (ko) | 2017-02-24 |
| FR3022306B1 (fr) | 2017-01-27 |
| FR3022306A1 (fr) | 2015-12-18 |
| CN106460876B (zh) | 2019-04-05 |
| DE112015002795T5 (de) | 2017-03-02 |
| CN106460876A (zh) | 2017-02-22 |
| BR112016027994A2 (pt) | 2017-08-22 |
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