WO2016034378A1 - Support de garniture de frein d'un frein à disque, frein à disque et garniture de frein - Google Patents

Support de garniture de frein d'un frein à disque, frein à disque et garniture de frein Download PDF

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Publication number
WO2016034378A1
WO2016034378A1 PCT/EP2015/068471 EP2015068471W WO2016034378A1 WO 2016034378 A1 WO2016034378 A1 WO 2016034378A1 EP 2015068471 W EP2015068471 W EP 2015068471W WO 2016034378 A1 WO2016034378 A1 WO 2016034378A1
Authority
WO
WIPO (PCT)
Prior art keywords
brake
lining
carrier
spring
carrier plate
Prior art date
Application number
PCT/EP2015/068471
Other languages
German (de)
English (en)
Inventor
Manfred SCHÖNAUER
Jutta GRAAF
Josef Schropp
Original Assignee
Knorr-Bremse Systeme für Nutzfahrzeuge GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=53794235&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2016034378(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Knorr-Bremse Systeme für Nutzfahrzeuge GmbH filed Critical Knorr-Bremse Systeme für Nutzfahrzeuge GmbH
Publication of WO2016034378A1 publication Critical patent/WO2016034378A1/fr

Links

Classifications

    • 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
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
    • F16D65/0972—Resilient means interposed between pads and supporting members or other brake parts transmitting brake reaction force, e.g. elements interposed between torque support plate and pad
    • 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
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
    • F16D65/095—Pivots or supporting members therefor
    • F16D65/097—Resilient means interposed between pads and supporting members or other brake parts
    • F16D65/0973—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces
    • F16D65/0974—Resilient means interposed between pads and supporting members or other brake parts not subjected to brake forces acting on or in the vicinity of the pad rim in a direction substantially transverse to the brake disc axis
    • F16D65/0977—Springs made from sheet metal
    • F16D65/0978—Springs made from sheet metal acting on one pad only

Definitions

  • the present invention relates to a brake pad holder of a disc brake of a motor vehicle, in particular a commercial vehicle according to the preamble of claim 1 and a disc brake and a brake lining.
  • the inlet side positioned part of the brake carrier is only with reaction forces, based on frictional forces between the brake pad back and interfaces to the brake or transmitted through the brake train struts Tensile forces burdened. This leads among other things to the fact that due to the brake design caused by the lever arms moments that unfavorably within the Brake effect, in particular by the generation of stresses, deformations and Abstützmomenten such as a Hochachsmoment opposite the brake disc.
  • a disc brake is known in which by a special shape of the brake pads and the wearer horns of the brake carrier and the kinematic design and the ratios of the attacking force components, these disc brakes are capable of braking forces in both the discontinued brake wearer horns as well as via a positive connection directly into the intake side positioned Bremsharide without detour via friction and / or reaction forces in the brake or the brake carrier to initiate.
  • Object of the present invention is to provide a brake pad holder a
  • the brake pad holder according to the invention of a disc brake of a motor vehicle, in particular a commercial vehicle, has on both sides of a brake disc associated brake pads, which are each loaded in a lining shaft a stationary brake carrier 3 with the brake pads laterally enclosing brake carrier horns again loaded.
  • Each of the brake pads has at least one friction lining and a lining carrier plate carrying the friction lining.
  • a support axis of the brake disc remote edge lining support plate is secured against loss and radially deflectable a lining retaining spring.
  • a projection which projects in the mounted state of the brake lining in a local recess of an inlet-side carrier horn of the brake carrier extends.
  • an elastic structural unit which is biased in the respective brake lining against the inlet side brake carrier horn and a bearing surface formed on the brake carrier in the lining shaft is arranged on a region of the lining carrier plate close to the intake side brake carrier horn.
  • the elastic assembly eliminates the relative play between the brake pad and the brake carrier, wherein the brake pad can escape in the case of corrosion on the support surfaces against the biasing forces.
  • the forces caused by the elastic structural unit can be designed differently high, depending on the design of the disc brake and / or the maximum permissible saddle displacement forces.
  • rear carrier horn As an inlet-side carrier horn while the rear in a main direction of rotation of the brake disc, so the direction of rotation of the brake disc during a forward drive of the motor vehicle, rear carrier horn is called.
  • the front carrier horn is referred to as the outgoing carrier horn in a main direction of rotation of the brake disk, that is to say the direction of rotation of the brake disk during forward travel of the motor vehicle.
  • the elastic assembly is formed as a one-piece or multi-part spring element, particularly preferably designed as a leaf spring or wire spring spring legs.
  • the elastic assembly on two spring legs, wherein a first spring leg of a elastic assembly with the lining carrier plate connecting member extends into a gap between the einlauf workedem Bremslichorn and the einlauf workedem Bremslichorn side facing the lining carrier plate and on the einlauf workedem Bremslichorn supported and a second spring leg from which the elastic construction unit with the lining carrier plate connecting the connecting element in a space between an extending from the support surface and the support surface facing the lower edge of the lining carrier plate and is supported on the support surface.
  • the spring legs are positioned in such a way that the forces acting on the brake lining act essentially on the one hand radially to the axis of rotation of the brake disc (second spring leg) and on the other perpendicular to it in the direction of the longitudinal extension of the brake pad (first spring leg).
  • the elastic assembly is preferably formed as a one-piece spring element with a connecting element and two spring legs.
  • the elastic structural unit in two parts in the form of two spring elements each having a spring leg, wherein the two spring legs extend from respective separate connecting elements fixed to the lining carrier plate into the gap or free space.
  • the elastic assembly only has a spring leg, which is fixed to the lower edge of the lining carrier plate and the inlet side Bremsskahorn out in the space between the facing of the support surface and the support surface lower edge of the lining carrier plate - stretches and is supported on the support surface.
  • an end facing away from the axis of rotation of the brake disc edge of the lining carrier plate on the inlet side Bremschuhorn in the inlet direction protruding stop is formed on a inlet side.
  • the elastic element from overload, for example, when swinging the pads when driving through potholes or be protected by vibration.
  • the length, the bending radius and / or the material thickness of the spring leg of a predetermined first spring force in the radial direction and a predetermined second spring force in the tangential direction are adapted adapted to the brake disc.
  • the pad retaining spring is held on a region of the lining carrier plate near the outlet side Bremsharihorn and extends from there to a tangentially central region of the edge of the lining carrier plate.
  • This pad retaining spring which exercises the function to hold the brake pad via a pad retention system, such as a pad retainer, in the lining shaft of the brake carrier and damp against vibration caused by the laterally displaced arrangement in the direction of the outlet side Bremsrizhorns optimum compensation by exerting a reaction force in connection with the radially acting spring force generates a mutually oppositely directed force pair that, taking into account the kinematics of the asymmetric coating concept, has a positive effect on the response and the load of the disc brake.
  • a pad retention system such as a pad retainer
  • the disc brake according to the invention of a motor vehicle in particular of a Nutzfahzeuges characterized by the Bremsbe- laghalterung described above.
  • the brake lining according to the invention which has a pad retaining spring held radially deflectable and a projection extending at an inlet side edge of the lining carrier plate, which protrudes in the mounted state of the brake pad in a lateral recess of the einlauf workedem carrier horn of the brake carrier, characterized in that at a built-in Condition the inlet side Bremslichorn near area of the lining carrier plate a the respective brake lining against the inlet side Bremslichorn and a molded in the lining shaft on the brake carrier bearing surface biasing elastic assembly is arranged.
  • FIG. 1 shows a perspective view of a section of a brake carrier with brake lining held in a lining shaft of the brake carrier
  • FIG. 2 shows a front view of a variant embodiment of a brake pad holder according to the invention with a brake pad held in a lining shaft of a brake carrier,
  • Figure 3 is a detail of a variant of an inventive elastic assembly attached to the lining carrier plate of the brake pad and
  • Figure 4 is a view corresponding to Figure 2 of an alternative brake pad holder.
  • top, bottom, left, right, front, back, etc. refer exclusively to the exemplary representation and position of the brake pad holder, the disc brake, the brake pad, the elastic assembly, the brake carrier horns and others selected in the respective figures parts. These terms are not intended to be limiting, that is to say, by different working positions or the mirror-symmetrical design or the like, these references may change.
  • FIG. 1 shows a detail of a brake pad holder known from the prior art.
  • a brake pad 102 is received in a lining shaft 104 of a brake carrier 103.
  • the brake pad 102 in this case has a projection 105 on its side edge adjacent to an inlet side of the brake carrier horn 106, which projection extends into a lateral recess 107 of the inlet-side carrier horn 106 of the brake carrier 103. In this way, the brake pad 102 is secured against swinging out during a braking operation by positive locking.
  • FIG. 2 shows a first embodiment of a brake lining holder according to the invention a disc brake of a motor vehicle, in particular a commercial vehicle.
  • a brake disk not shown here, is arranged in each case in the brake pad 2 in a brake carrier 3 which engages over the brake disk in a lining shaft 4 of the brake carrier 3.
  • the brake carrier 3 is fixedly attached to the vehicle housing or a component of the vehicle axle.
  • the brake disk (not shown) rotates together with a wheel axle of the motor vehicle during a forward movement of the motor vehicle in a main direction of rotation D.
  • the brake carrier 3 in this case has a lining shaft 4, with the inlet side and outlet side, the brake pads 2 enclosing inlet side and outlet side brake carrier 7.8.
  • the inlet side and outlet side of the brake carrier 3 are preferably connected to each other by a bridge 21 (shown in Figure 4). It is also conceivable, however, a two-part design of the brake carrier 3 with an inlet-side section and an outlet-side section.
  • the distance between the brake beam horns 7, 8 is dimensioned tangentially to the brake disk in a direction X such that a brake lining 2, in particular the lining carrier plate 1 1 of the brake pad 2, can be inserted into the lining shaft 4 by a pivoting movement.
  • a projection 5 is provided on an inlet side edge 29 of the lining carrier plate 1, which extends in the assembled state of the brake lining 2 in a lateral recess 15 of the inlet side carrier horn 7 of the brake carrier 3, so that during a braking operation, a unscrewing of the brake pad from the lining shaft is prevented by the protrusion 5 projecting into the recess 15 of the inlet-side carrier horn 7.
  • a part of the supporting forces is thereby introduced into the brake carrier horn 7 positioned on the inlet side.
  • an elastic assembly 6 is arranged on a the intake side Bremseselhorn 7 near area of the lining carrier plate 1 1, the respective brake pad 2 against the inlet side Bremseselhorn 7 and a molded in the lining shaft 4 on the brake carrier 3 bearing surface 13 pretensions.
  • the elastic assembly 6 is formed in the embodiment shown in Figures 2 and 3 as a one-piece spring element with two of a connecting element 23 extending spring legs 17, 18.
  • the connecting element 23 serves for fastening the elastic structural unit 6 to the lining carrier plate 11, for example via a bolt anchored in the lining carrier plate 11.
  • two spring legs 17, 18 extend to support the brake pad 2 on the one hand on the inlet side Bremsharihorn 7 and on the other hand on a preferably tangential to the axis of rotation of the brake disc clamped bearing surface of the brake carrier.
  • the first spring leg 17 preferably extends in a connecting element 23 connecting the elastic structural unit 6 to the lining carrier plate into a gap 16 between the inlet-side brake carrier horn 7 and the side wall 26 of the lining carrier plate facing the inlet-side brake carrier horn 7.
  • the second spring leg 18 extends from the elastic structural unit 6 with the lining carrier plate 1 1 connecting the connecting element in a space 15 between the bearing surface 13 of the brake carrier 3 and the support surface 13 facing the lower edge 12 of the lining carrier plate 1 first
  • the two spring legs 17, 18 are preferably bent S-shaped.
  • the first spring leg 17 is supported on the one hand on the inlet side Bremslichorn 7 and on the other hand on the inlet side Bremsarrihorn 7 facing side edge 26 of the lining carrier plate 1 1.
  • the second spring leg 18 is supported on the one hand on the lower edge 12 of the lining carrier plate 1 1 and on the other hand on the support surface 13 of the brake carrier.
  • the spring legs 17, 18 of the elastic assembly 6 are preferably formed as a leaf spring or wire spring.
  • the elastic structural unit 6 In addition to the one-piece embodiment variant of the elastic structural unit 6 shown in FIGS. 2 and 3, it is likewise conceivable to design the elastic structural unit 6 two-piece in the form of two spring elements, each with a spring leg 17, 18 form. In this case, the two spring legs 17, 18 extend from respective connecting elements fixed separately to the lining carrier plate 11 into the gap 16 or the free space 15.
  • the elastic assembly 6 only a spring leg 24 which is fixed to the lower edge 12 of the pad carrier plate 1 1 and the inlet side Bremshari horn out in the space 15 between itself from the support surface 13 of the brake carrier 3 and the support surface 13 facing the lower edge 12 of the lining carrier plate 1 1 extends and is supported on the support surface 13.
  • the pad retaining spring 10 which is known in principle from the prior art, is secured against loss and kept radially deflectable on an edge 14 of the lining carrier plate 1 facing away from the axis of rotation of the brake disk, to the outlet side carrier horn 8 of the brake carrier 3 shifted toward the lining carrier plate 1 1 held and extends from there to a central or central region 28 of the edge 14 of the lining carrier plate 1 first
  • This lining retaining spring 10, which serves to hold the brake pad 2 in the lining shaft 4, is supported radially upwards on a lining retaining clip 9 spanning the lining shaft 4, which is detachably secured, for example, to a brake caliper (not shown) of the disc brake.
  • the elastic assembly 6 causes forces F1 and F2 acting on the brake lining, wherein the first spring force F1 in direction Y pointing radially to the axis of rotation of the brake disk and the second spring force F2 predominantly in the tangential direction X in FIG Direction of the longitudinal extent of the brake pad 2 acts.
  • the length L, the bending radius R and / or the material thickness of the spring legs 17, 18, 24 of a predetermined first spring force F1 in the radial direction Y and at a predetermined second spring force F2 in the tangential direction X relative to the brake disk be trained trained.
  • the elastic structural unit 6 does not lead to excessive impressions of the elastic structural unit 6 by the pad retaining spring 10, as a result of which the brake pad 2 would be forced out of its preferred operating position.
  • the free space 15 between the lower edge 12 of the lining carrier plate facing away from the bearing surface 13 of the brake carrier and the bearing surface 13 is significantly larger than in the case of the brake lining holder according to the prior art shown in FIG.
  • the lateral recess 15 of the inlet-side carrier horn 7 can extend downwards into the region of the support surface 13 of the brake carrier 3, which allows a simple removal of the brake lining 2 and significantly reduces the risk of the components rusting together.
  • a stop 23 projecting beyond the inlet-side carrier horn 7 in the inlet direction is formed on an edge of the lining carrier plate 11 facing away from the brake disk 7 on the inlet side brake carrier horn 7.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

L'invention concerne un support de garniture de frein d'un frein à disque d'un véhicule automobile, en particulier d'un véhicule utilitaire. Des garnitures de frein (2), associées aux deux côtés d'un disque de frein, sont montées chacune, en étant contraintes par ressort, dans une cage de garniture (4) d'un support de frein fixe (3) qui est pourvue d'ergots de support de frein (7, 8) bordant latéralement les garnitures de frein (2). Chacune des garnitures de frein (2) comporte une ou plusieurs garnitures de friction, une plaque de support de garniture (11) qui supporte la garniture de frein et un ressort de retenue de garniture (10) qui est maintenu de façon à être dévié radialement et qui est assuré de façon imperdable sur bord (14) de la plaque de support de garniture (11) qui est opposé à l'axe de rotation du disque de frein. Une saillie (5) s'étend depuis un bord (29), côté entrée, de la plaque de support de garniture (11) et, lorsque la garniture de frein (2) est montée, la saillie se projette jusque dans un évidement latéral (15) d'un ergot de support (7), côté entrée, du support de frein (3). Une unité de construction élastique (6), qui exerce une précontrainte sur la garniture de frein respective (2) par rapport à l'ergot de support de frein (7) côté entrée et sur une surface d'appui (13) formée au niveau du support de frein (3) dans la cage de garniture (4), est disposée au niveau d'une zone de la plaque de support de garniture (11) qui est proche de l'ergot de support de frein (7) côté entrée. En outre, l'invention concerne un frein à disque et une garniture de frein d'un frein à disque d'un véhicule automobile.
PCT/EP2015/068471 2014-09-03 2015-08-11 Support de garniture de frein d'un frein à disque, frein à disque et garniture de frein WO2016034378A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014112665.3 2014-09-03
DE102014112665.3A DE102014112665B4 (de) 2014-09-03 2014-09-03 Bremsbelaghalterung einer Scheibenbremse, Scheibenbremse und Bremsbelag

Publications (1)

Publication Number Publication Date
WO2016034378A1 true WO2016034378A1 (fr) 2016-03-10

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ID=53794235

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PCT/EP2015/068471 WO2016034378A1 (fr) 2014-09-03 2015-08-11 Support de garniture de frein d'un frein à disque, frein à disque et garniture de frein

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DE (1) DE102014112665B4 (fr)
WO (1) WO2016034378A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017102752A1 (fr) * 2015-12-16 2017-06-22 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Frein à disque pour véhicule utilitaire, et garniture de frein à disque
US10890224B2 (en) 2015-12-22 2021-01-12 Bpw Bergische Achsen Kg Brake lining for a disc brake, disc-brake hold-down for brake linings of a disc brake

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019109498A1 (de) * 2019-04-10 2020-10-15 Haldex Brake Products Ab Vorrichtung zur Rückstellung von Bremsbelägen und Scheibenbremse
DE102020106296A1 (de) * 2020-03-09 2021-09-23 Tmd Friction Services Gmbh Belagträgerplatte für eine Scheibenbremse eines Kraftfahrzeugs sowie Verfahren zur deren Herstellung
DE102021121683A1 (de) * 2021-08-20 2023-02-23 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse für ein Nutzfahrzeug sowie Bremsbelag für eine Scheibenbremse
US12005991B2 (en) 2021-12-03 2024-06-11 Shimano Inc. Brake caliper for a bicycle
DE102022200654A1 (de) 2022-01-20 2023-07-20 Hl Mando Corporation Bremsbelaganordnung mit einer Belagfeder für ein Scheibenbremssystem und Scheibenbremssystem

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10159504A1 (de) * 2001-12-04 2003-06-12 Porsche Ag Feststellbremse
WO2005064194A1 (fr) * 2003-12-30 2005-07-14 Freni Brembo S.P.A. Ressort de patin ou organe elastique pour frein a disque
US20070215419A1 (en) * 2006-03-15 2007-09-20 Scott Franz Defined brake pad abutment
DE102010023143A1 (de) * 2010-06-09 2011-12-15 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse für ein Nutzfahrzeug sowie Bremsbelag für eine Scheibenbremse
WO2013037876A1 (fr) * 2011-09-14 2013-03-21 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Frein à disque de véhicule à moteur et garniture de frein associée
EP2944841A1 (fr) * 2014-03-20 2015-11-18 Akebono Brake Industry Co., Ltd. Butée de couple de freinage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004053026B4 (de) * 2004-11-03 2007-07-05 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Belagträgerplatte einer Scheibenbremse
DE102005037483A1 (de) * 2005-08-09 2007-03-15 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse, insbesondere für ein Nutzfahrzeug
DE102013013686A1 (de) * 2013-08-16 2015-02-19 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Belaghaltefeder eines Bremsbelags und Bremsbelaghalterung für eine Scheibenbremse eines Kraftfahrzeugs

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10159504A1 (de) * 2001-12-04 2003-06-12 Porsche Ag Feststellbremse
WO2005064194A1 (fr) * 2003-12-30 2005-07-14 Freni Brembo S.P.A. Ressort de patin ou organe elastique pour frein a disque
US20070215419A1 (en) * 2006-03-15 2007-09-20 Scott Franz Defined brake pad abutment
DE102010023143A1 (de) * 2010-06-09 2011-12-15 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Scheibenbremse für ein Nutzfahrzeug sowie Bremsbelag für eine Scheibenbremse
WO2013037876A1 (fr) * 2011-09-14 2013-03-21 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Frein à disque de véhicule à moteur et garniture de frein associée
EP2944841A1 (fr) * 2014-03-20 2015-11-18 Akebono Brake Industry Co., Ltd. Butée de couple de freinage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017102752A1 (fr) * 2015-12-16 2017-06-22 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Frein à disque pour véhicule utilitaire, et garniture de frein à disque
US10941822B2 (en) 2015-12-16 2021-03-09 Knorr-Bremse Systeme Fuer Nutzfahrzeuge Gmbh Disc brake for a utility vehicle and brake pad for a disc brake
US10890224B2 (en) 2015-12-22 2021-01-12 Bpw Bergische Achsen Kg Brake lining for a disc brake, disc-brake hold-down for brake linings of a disc brake

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Publication number Publication date
DE102014112665B4 (de) 2021-09-16
DE102014112665A1 (de) 2016-03-03

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