WO2014079425A1 - Étrier de retenue pour composants de moteur - Google Patents

Étrier de retenue pour composants de moteur Download PDF

Info

Publication number
WO2014079425A1
WO2014079425A1 PCT/DE2013/200246 DE2013200246W WO2014079425A1 WO 2014079425 A1 WO2014079425 A1 WO 2014079425A1 DE 2013200246 W DE2013200246 W DE 2013200246W WO 2014079425 A1 WO2014079425 A1 WO 2014079425A1
Authority
WO
WIPO (PCT)
Prior art keywords
retaining clip
designed
holding
actuating lever
lever
Prior art date
Application number
PCT/DE2013/200246
Other languages
German (de)
English (en)
Inventor
Calin Petru Itoafa
Robert Seeger
Jörg Wichert
Original Assignee
Schaeffler Technologies AG & Co. KG
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 Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2014079425A1 publication Critical patent/WO2014079425A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L1/185—Overhead end-pivot rocking arms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/20—Adjusting or compensating clearance
    • F01L1/22—Adjusting or compensating clearance automatically, e.g. mechanically
    • F01L1/24—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically
    • F01L1/2405—Adjusting or compensating clearance automatically, e.g. mechanically by fluid means, e.g. hydraulically by means of a hydraulic adjusting device located between the cylinder head and rocker arm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/18—Rocking arms or levers
    • F01L2001/187—Clips, e.g. for retaining rocker arm on pivot

Definitions

  • the invention relates to a retaining clip di serving as such ctey, a plurality of them sep se separate pens of a Ventiltnehs, such as a hydmmechanisches Ventiliriebe a.
  • Combustion engine to a unit to summarize.
  • Ai is a holding clamp for a screwdriver of a type of combustion engine, through which a rocker arm is coupled to a plowing element.
  • the retaining kiamniers are geometrically designed so that they can be anchored to the drag levers by means of corresponding stop brakes From DE W7 30 201 AI
  • a Ver ⁇ rieh for a Srennkra machine is known in which a retaining clip is provided, via which the oscillating end portion of a Yeotilbetuschistshebels over a Halfeklan mer is coupled to the scbaffherelch a Gaswee selventils,
  • the invention is based on the object, a Garklarnmer for a Ventl- drive, for example, a hydrornecbanl Basic Ventlltr fy schffen that k - Ungü stig produced and an advantageous coupling of a Bebei Trentsbe- beis s' $ s> esondter ⁇ a Schlepp, Sc wi
  • a rocker or rocker arm with the organs of the valvetrain actuated by this actuation lever for example, a valve assembly actuated by this actuation lever, makes it possible to achieve a solution according to the invention
  • a holding clamp for a valve lift for coupling an actuating lever with a valve truss sonic actuated therewith;
  • Paduroh is able to simplify and reduce the mechanical stress on the actuation lever.
  • the Naltekiamroer can then also be attached to the valve drive member before the operating lever mim the Halteahsohnltt is inserted.
  • Brilliant! a particularly preferred embodiment of the invention!
  • the valve lifting device actuated by the lifting lever is part of a pump arrangement of a hydromechanical valve.
  • valve actuator can in particular be attached to a pump cage, above a piston opening advantageous meadow designed such that the Garkiammer dyfe this with sufficient ⁇ bs ogsftesttechnik radially end axially fixed to the Pyrnpenanor lament, the retaining clip can be designed such that this at one a collapsing of the Punipenanordnong snaps under temporary elastic deformation.
  • the transition groove may be shaped so as to form a claw portion which, under temporary radial elastic expansion, radially into a circumference of the piston shoulder, or the piston conveyor, may be formed as a circumferential groove located on a side facing the operating lever a a Kopfabsehnit s of the piston member extends
  • the Umpenenaku Is preferably designed so that it has a Kolbenföbrungsbuehse and an axially guided therein piston element,
  • this Ausfcihryngsferm the Anblodungsabschnift the Haitekiammer axially securing functionssnuf in a discourseymfahgswand y ng de Kolben »fybrung admirreekem
  • the Hafekiaeinw is preferably constructed so that the Ha teabschniü together with the operating lever, in particular the towing, oscillating, or rocker arm and the ing of the Fumpenanowski attacking ⁇ n indyngsabsohnlft Ober an integral connecting web are coupled together.
  • the connecting bar of the connecting blade socket can be manufactured by folding the bag out of a large sleeveless sleeve! become.
  • the Halteklamn he made of two interconnected Blecbmaierlaiabscbnitten to: finished, which are connected together in a suitable manner, in particular 29welt,
  • the overall geometry of the retaining clip can be designed such that the half-clamp braced in the assembled state without play!
  • the geometry of the retaining clip can be adjusted in such a way that it can be adjusted in the same way and the operating lever is clamped so that the paths of the coupling force which can be released by the half-eccentrics eliminate any play between these components,
  • the retaining clip according to the invention makes it possible to have a lever mounted on one side, in particular a set-up lever designed as a roller blind tow-bar at m! otnem Kolhenelement ode the oibon mulung of a hydromeshani see valve gear zy couple.
  • the erfindungsgeniaile retaining clip takes on the movable side of ⁇ ertragypgsgiledes otörverttil towards the Haliefunkfion and is fixed locally to the actuated by the transfer member valve drive member.
  • TThhee eertnisnndduunnggssggaemmaiSee HHaaiitteekkttaammmmee kkaannnn aallss TTrrarnssppöortrtsiicofeberruunuggss - HHaltteecelip ffuunnggiieerreen ooff tthhee üübbeerr ddeenn KKooppff PPuummppeennkkoollbbeennss aanndd for zwisscchenn ddeenn hhiinntteerreenn EEnnddeenn tthhee ggeebbooggeenneenn OObbeerrzzuuggees vvoormn Reelllleennsscohblleepppphheebheellsss eeiinnggeebbrr
  • GGUUIIDDEE FFixxiieerruunngg tthhee HHaalltfeekkllaammmmeerr kkaannnn wweeiitteerrbbiinn eeiinnee FFaassee AAnn tthhee oobbeerreenn SSttiirrnnsseelltfee d deerr KKooliooeennf dichübnrruunngg a auussggeebhiill ⁇ - ddeett wweerrddeenn AAnn :: w weellcchheerr eeiinnee eennttsspprreecchheenndd i amm Veerrbiihnd.uu 'nn ⁇ gss $ siteegg N Naassee ppoossiittiioonniieerrtt ..wwi
  • the invention relates to a retaining clip consisting of: an afehalstmlfen.
  • the listening hate. forms a in the plan view y-förrnlge claw with two legs 25 connected by a web.
  • the abutment has a two arms, which are bifurcated. At the end of the arms available.
  • the upper leg has a radius at the end,
  • the clip consists of two strips, which are joined together by a bridge with two legs, the lower strip is bent in a circular or O-shape. At the end of the legs a Ausbiegun is formed. The upper part asked: at the end, an eye-bending cut bskiei.
  • the Balteklaminer according to the invention can be designed so that this the actuation lever and the actuated by this Ventii- operating organ, In this case, it is preferable to connect the holding claw to the tube, thereby securing the piston in the tube against Heray's deficiency
  • FIG. 1 is an axial drawing illustrating the use of a clip in accordance with the invention in a hydromechanical valvetrain with an actuated by an actuating lever Ansscben pump assembly;
  • Flgpr t is a perspective view of b in: ⁇ usfschreibyngsbeispiel provided according to Figure 1 hall bracket;
  • Figure 8 is an axial illustration of the method of use of another variant of a retaining clip of the present invention in a hyperextension valve thrust
  • FIG. 4 is a perspective view of the Ayschtungs elsplel provided in Figure 3 retaining clip;
  • FIG. 5 is a perspective view of a third variant of an affinity-damaging retaining catheter which is axially engaged in a disintegrating catfish on the surface of a pump column rotor ayfst@skb.ar, s B B B B B B B e e e e e e e e e e e e e e e e e e e e e e e e e e e ese
  • the coupling ring 1 serves to couple an actuating lever 2 to a diverting member, here a constituent of a pympenal order 3
  • the Halieklanimer 1 comprises a Halfaabsahnitt 1a, which engages over the actuating lever 2 ayf a de Pympenan- order 3 opposite side, and a Anhindungsabêt 10 for Anblrsdung the Garkiammer 1 to the pump assembly 3.
  • The, retaining clip is inventively designed & such that the location assurance the Garkiammer 1 in the valve train, ie the local determination of the retaining clip by the Annbyn of the Anhindyn sabschnltts 1b on the Pun penan eleven 3 and thus is not accomplished on mandrel actuating lever,
  • the Abbeungsabsehnitt 1b is gestallet such that the Garkiammer 1 is determined by this mi sufficient ⁇ bzugsiestigkeif both radially and axially on the pump assembly 3 and organs thereof.
  • the connecting rod 1b is formed as a top-view Q-shaped Sehoapp-Kiaueoabschnrrl out-0 which is radially inserted under temporary radial elastic expansion in a circumferential groove 3a of the ympenanordnyng is.
  • the Pympenanerdnyng: 3 shown here forms part of a hydromechanical valve trains in which the over a pump piston 5 alternately ver-6 urged oil is used to actuate a Ventilaktyators not shown here closer.
  • the pump arrangement 3 further comprises a piston guide shaft 4 in which the piston link S is axially reversibly guided.
  • the linkage 1b axially securing the circumferential groove 3a extends in an outer peripheral wall of the guide plate 4,
  • the operating lever Eusammeowlrkende holding section 1a which is designed, for example, as a towing or rocker arm, and the 3 Anwandnuog 3 attacking ⁇ nblndungsa schnif 1b o elt over a rungs rung 1e o elt.
  • the Haifeklamrner 1 is designed de art, this ustand in the holding: slightly biased and thus clamped to the fumpenanerdnung 3 sits
  • Ventilfnehsgephasekorinate 8 gf can be carried out integrally with a cylinder head.
  • the pump piston 5 is designed as Hohlküiöeft and axially dursf a return spring 7 to the actuating lever 2 out loaded.
  • the return spring 7 chlküiöeft and axially dursf a return spring 7 to the actuating lever 2 out loaded.
  • the return spring 7 ke facing away with her to the operating lever 2 ßn "labsc?
  • the half-clamp 1 can be angularly soldered on the olhenfschreibyngshycbs 4 from the side in a snap-in manner. It is also mögl ch, the retaining clip 1 from above axially on the Kolbenfö ungsbychse 4 postpone until the nose 1 d a of the chamfer 4b looks and the Bögelarme the Anbmdngsaosehnitfs 1b in the ü lfangsnut 3 a latch.
  • FIG. 2 illustrates, in the form of a perspective illustration, the holding ski 1 used in the application of the invention of FIG. 1.
  • the holding clamp 1 comprises, as already described, the holding section 1a cooperating with the actuating lever 2 and the one on the
  • the attachment section 1b forms a first and a fast retaining leg 11, 12.
  • the measurements of the holding ski 1 in the uninstalled state are so marked : that the attachment section is elastically tensioned when installed and with a relatively shaking action on the side Koifoenfschreibongs- huehse 4 attacks.
  • the Garklamnier 1 is designed such that it sits in the Haitezysfand backlash braced on the ölbenfyhryngsbuebse 4.
  • FIG. 3 shows an embodiment of a second embodiment of a half-clamp 1 according to the invention Haitekiarnmer 1 also serves the coupling of an actuating lever 2 with a component of the pump assembly 3.
  • the Walkerkiammer 1 comprises a Garabsehnitt 1a s of the actuating lever 2 on a side facing away from the pump assembly 3 side and a Anblndyngsabsobnit II) for connecting the Garkiammer 1 to the pump assembly
  • the retaining ski 1 is, in turn, designed according to the invention in such a way that the local limit: the half-bolt 1 I the Ventiltrie äurc i: the attack of the Anblndungsabschnifts 1b is accomplished on the Pom pen arrangement 3.
  • the retaining clip 1 in turn, comprises that holding section 1a cooperating with the actuating lever and the distal end of the pyramid assembly 3. These sections 1a, 1 are coupled to each other above the connection piece 5c made as a panel-shaped sheet section.
  • the anhilding section 1b forms a first and a second plan view.
  • the dimensions of the inner contour defined on the side legs 11, 12 are sc to the inside diameter of the recess 5a (cf. 3 ⁇ tuned so that it binds connection section 1b in the installed state at most slightly elastically J t and yet with a relatively high shank action attacks other pumping piston 5 of the assembly 3,
  • the shank legs 11, 12 are radially displaced radially outward, as indicated by the arrow P 1, P 2, in the case of a radial change of the haptic mer 1 to the associated pump arrangement along the joint F P 2 allow reaching a radial Einschie en the retaining legs 11, 12 in the puncture of the Pornpenkob bans 5.
  • the holding legs 11, 12 as through the Pfe lsymhole P2 ang tete tef again zeröek and elastic v -0 taut secured the Garktan 1 at the: Pumpkelben ⁇ .
  • FIG. 5 shows, in the form of a perspective illustration, the structure of a third embodiment of a retaining-type retaining clip 1 in the manner of an anchor.
  • the holding bracket 1 here comprises a pair of the associated: Haitabsehnitte 1a, which is attacking the Beetflguogs 2, as well as the one acting on the Pempenancrdrt g 3 Ib.
  • the Hall sections 1a 5 are coupled via connecting webs 1c to the connecting section 1b.
  • the Abbeungsabsehnitt 1b forms a first and a second holding leg 11, 12,
  • the Haite Set! 1 2 limit a receiving opening 13.
  • Oils Walkerklemmer 1 is designed so that: this is under temporary elastic revaluation of ⁇ uf.ö réelle 13 axially on the Pymp nkolfeen 5 pushed, can until the Garscbenkel 11 12 in there dureb a Snapping in a well-formed primitive groove.
  • the hall bracket 1 is axially and radially secured to the pump piston.
  • the pump chamber 5 can rotate relative to the bracket 1 around its longitudinal axis. This applies m ⁇ #i for the above-described embodiment,

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)

Abstract

L'invention concerne un étrier de retenue (1) destiné à un mécanisme de distribution, cet étrier permettant d'accoupler un levier d'actionnement (2) à un organe de mécanisme de distribution (5) actionné par ce levier, en particulier un ensemble de pompes (3). L'étrier de retenue (1) comprend une partie de retenue (la), laquelle recouvre le levier d'actionnement (2) sur une face opposée à l'organe de mécanisme de distribution, et une partie de raccordement (lb) destinée à raccorder l'étrier de retenue à l'organe de mécanisme de distribution. Le blocage de l'emplacement de l'étrier de retenue dans le mécanisme de distribution est mis en œuvre par l'action de la partie de raccordement (lb) sur l'organisme de mécanisme de distribution. Cela permet de manière avantageuse de simplifier la géométrie de retenue agissant sur le levier d'actionnement et de diminuer la sollicitation mécanique de cette dernière.
PCT/DE2013/200246 2012-11-26 2013-10-25 Étrier de retenue pour composants de moteur WO2014079425A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012221516.6 2012-11-26
DE201210221516 DE102012221516A1 (de) 2012-11-26 2012-11-26 Halteklammer für Motorkomponenten

Publications (1)

Publication Number Publication Date
WO2014079425A1 true WO2014079425A1 (fr) 2014-05-30

Family

ID=49779826

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Application Number Title Priority Date Filing Date
PCT/DE2013/200246 WO2014079425A1 (fr) 2012-11-26 2013-10-25 Étrier de retenue pour composants de moteur

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DE (1) DE102012221516A1 (fr)
WO (1) WO2014079425A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3063104B1 (fr) * 2017-02-21 2022-04-01 Peugeot Citroen Automobiles Sa Butee hydraulique de rattrapage de jeu et mecanisme d’actionnement de soupape l’incorporant

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598674A (en) * 1984-01-13 1986-07-08 Toyota Jidosha Kabushiki Kaisha Rocker arm spring for a valve actuating mechanism of an internal combustion engine
DE19617523A1 (de) 1996-05-02 1997-11-06 Schaeffler Waelzlager Kg Sicherung für Betätigungshebel von Ventilsteuerungen für Brennkraftmaschinen
DE19730201A1 (de) 1997-07-15 1999-01-21 Schaeffler Waelzlager Ohg Betätigungshebel für einen Ventiltrieb einer Brennkraftmaschine
US6047675A (en) * 1998-11-10 2000-04-11 General Motors Corporation Retainer clip and valve actuator subassembly
JP2002155710A (ja) * 2000-11-20 2002-05-31 Koyo Seiko Co Ltd ロッカアーム用クリップ
WO2005075795A1 (fr) * 2004-02-06 2005-08-18 Schaeffler Kg Dispositif de liaison pour levier de commande et element d'appui d'un mecanisme d'actionnement de soupape d'un moteur a combustion interne
EP1617047A1 (fr) * 2004-07-14 2006-01-18 INA-Schaeffler KG Elément de liaison pour fixation d'un suiveur de came du type a levier
DE102005036918A1 (de) * 2005-08-05 2007-02-08 Schaeffler Kg Verbindungselement zur verliersicheren Halterung eines hebelartigen Nockenfolgers
WO2008002746A2 (fr) * 2006-06-26 2008-01-03 Timken Us Corporation Dispositif de couplage
WO2009038935A1 (fr) * 2007-09-18 2009-03-26 The Timken Company Dispositif d'accouplement
JP2009257313A (ja) * 2008-03-27 2009-11-05 Ntn Corp スイングアーム式動弁装置
JP2010275920A (ja) * 2009-05-28 2010-12-09 Otics Corp ロッカアームユニット及びクリップ
EP2267281A1 (fr) * 2008-03-07 2010-12-29 OTICS Corporation Unite culbuteur et procede d'assemblage d'unite culbuteur
EP2295738A1 (fr) * 2009-08-18 2011-03-16 Otics Corporation Unité de culbuteur

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598674A (en) * 1984-01-13 1986-07-08 Toyota Jidosha Kabushiki Kaisha Rocker arm spring for a valve actuating mechanism of an internal combustion engine
DE19617523A1 (de) 1996-05-02 1997-11-06 Schaeffler Waelzlager Kg Sicherung für Betätigungshebel von Ventilsteuerungen für Brennkraftmaschinen
DE19730201A1 (de) 1997-07-15 1999-01-21 Schaeffler Waelzlager Ohg Betätigungshebel für einen Ventiltrieb einer Brennkraftmaschine
US6047675A (en) * 1998-11-10 2000-04-11 General Motors Corporation Retainer clip and valve actuator subassembly
JP2002155710A (ja) * 2000-11-20 2002-05-31 Koyo Seiko Co Ltd ロッカアーム用クリップ
WO2005075795A1 (fr) * 2004-02-06 2005-08-18 Schaeffler Kg Dispositif de liaison pour levier de commande et element d'appui d'un mecanisme d'actionnement de soupape d'un moteur a combustion interne
EP1617047A1 (fr) * 2004-07-14 2006-01-18 INA-Schaeffler KG Elément de liaison pour fixation d'un suiveur de came du type a levier
DE102005036918A1 (de) * 2005-08-05 2007-02-08 Schaeffler Kg Verbindungselement zur verliersicheren Halterung eines hebelartigen Nockenfolgers
WO2008002746A2 (fr) * 2006-06-26 2008-01-03 Timken Us Corporation Dispositif de couplage
WO2009038935A1 (fr) * 2007-09-18 2009-03-26 The Timken Company Dispositif d'accouplement
EP2267281A1 (fr) * 2008-03-07 2010-12-29 OTICS Corporation Unite culbuteur et procede d'assemblage d'unite culbuteur
JP2009257313A (ja) * 2008-03-27 2009-11-05 Ntn Corp スイングアーム式動弁装置
JP2010275920A (ja) * 2009-05-28 2010-12-09 Otics Corp ロッカアームユニット及びクリップ
EP2295738A1 (fr) * 2009-08-18 2011-03-16 Otics Corporation Unité de culbuteur

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