EP2855960A1 - Moyen de guidage pour ensemble de garniture de frein - Google Patents

Moyen de guidage pour ensemble de garniture de frein

Info

Publication number
EP2855960A1
EP2855960A1 EP13725373.8A EP13725373A EP2855960A1 EP 2855960 A1 EP2855960 A1 EP 2855960A1 EP 13725373 A EP13725373 A EP 13725373A EP 2855960 A1 EP2855960 A1 EP 2855960A1
Authority
EP
European Patent Office
Prior art keywords
guide means
brake
guide
carrier
holding
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.)
Withdrawn
Application number
EP13725373.8A
Other languages
German (de)
English (en)
Inventor
Markus Mallmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF Active Safety GmbH
Original Assignee
Lucas Automotive 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
Application filed by Lucas Automotive GmbH filed Critical Lucas Automotive GmbH
Publication of EP2855960A1 publication Critical patent/EP2855960A1/fr
Withdrawn legal-status Critical Current

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
    • F16D65/0973—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
    • 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
    • F16D65/0006—Noise or vibration 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
    • 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

Definitions

  • the present invention relates to a guide means for a brake pad assembly of a disc brake with a base body, which comprises a guide projection for guiding the brake pad assembly provided guide portion, and a fixing portion, which serves for attachment of the guide means to a brake carrier, wherein the attachment portion has two contact surfaces and one has two contact surfaces connecting stop surface, and at least one elastic retaining clip is provided on the stop surface, which is at least partially in engagement with the brake carrier.
  • Such guide means are known from the prior art and disclosed for example in the document US 6,527,090 Bl.
  • This document describes a spring element acting as a guide means with a first portion attachable to a support bracket of a disc brake and a second portion adapted to receive a projection of a brake pad.
  • the first portion has two elastic support arms provided on opposite side edges of the first portion.
  • the two retaining arms on the sides of the first portion of the spring element are applied to opposite side surfaces of a projection on the support bracket in order to hold the spring element in its position on the projection of the support bracket can.
  • the two support arms according to the document US 6,527,090 bent at bends, which are located at the side edges of the spring element, in the direction of the support bracket, i. the retaining arms are elastically formed on the spring element.
  • the retaining arms of the spring element or the mecanicsmitteis are arranged on the support bracket that they are oriented in the direction of the actuation force of the brake pad assembly. Accordingly, just the retaining arms of the spring element are loaded in an actuation of the brake pad assembly with the actuating force, since they should hold the spring element against the actuation force of the brake pad assembly in its predetermined position on the projection of the support bracket.
  • the holding arms of the spring element can withstand the stresses of the operating force of the brake pad assembly and the vibrations occurring during operation of a vehicle, the elastic holding arms of the Spring element are designed accordingly, ie be dimensioned accordingly for these loads.
  • the stop surface of the guide means according to the invention is provided with a holding portion which is at least partially engageable with the brake carrier in abutment.
  • the abutment surface of the holding portion Due to its design in the abutment surface of the holding portion has a high rigidity, so that without additional material requirements, the strength and rigidity of the guide means can be increased overall. Further, by providing the rigid holding portion - compared with the prior art - an elastic holding arm can be omitted.
  • the holding section is arranged on the guide means in such a way that in the state mounted on a brake carrier the stiffened holding section is loaded with the actuating force of the brake pad arrangement.
  • the guide means can be reliably held in its predetermined position on the brake carrier and the life of the guide means can be increased.
  • the holding portion may comprise at least one holding surface, which serves to bear against the brake carrier.
  • the holding surface may be angled towards the stop surface so that it is substantially parallel to the contact surfaces of the mounting portion of the guide extending means extends.
  • the holding section or the holding surface can create either flat or with one of his or her side edges of the brake carrier and absorb the forces and loads occurring. It is of course possible that the support surface rests flat and with one of its side edges on the brake carrier.
  • the holding surface is angled along an edge which extends substantially perpendicular to the side edges of the fastening portion or to the side edges of the guide element.
  • the length of the edge at which the holding surface is angled, and the associated size of the holding surface which to adjust the rigidity of the holding portion. Since the edge is parallel to the direction in which the forces and stresses occur in the state of the guide element installed in a brake carrier, i. to the direction of the actuation force of the brake pad assembly, these loads can be absorbed over the length of the edge and the size of the support surface.
  • Such a holding section provides a very high rigidity without additional material requirements.
  • the holding portion may extend between the stop surface and at least one of the abutment surfaces according to an embodiment of the invention.
  • the holding surface can be connected to at least one of the contact surface.
  • the holding section can be formed by a holding surface running parallel to the contact surfaces and by a further surface section extending substantially parallel to the stop surface. The further surface section then merges into one of the contact surfaces.
  • the holding surface may be provided with a curvature, which may contribute to the attachment of the guide means to the brake carrier.
  • the curvature of the holding surface can serve to engage the brake carrier and, for example, engage in a depression on the brake carrier.
  • lateral insertion straps can be formed on the guide section.
  • the insertion tabs on the guide portion of the guide means facilitate insertion of a guide projection of the brake pad assembly into the guide portion of the guide means.
  • the lateral insertion straps can be designed to be angled for this purpose, so that the guide projection of the brake pad arrangement during insertion is less precisely positive. must be on.
  • the insertion tabs guide or "center" the guide projection into the guide section.
  • At least one stop tongue can be formed on the guide means, which serves for positioning of the guide means on the brake carrier.
  • the main body of the guide element may have a substantially S-shaped configuration.
  • the guide means may be made of sheet metal.
  • the guide means can be made in one piece.
  • the present invention further relates to a disc brake for a motor vehicle brake system having a brake pad assembly comprising a brake pad carrier and a brake pad mounted on the brake lining, which is engageable to achieve a braking effect with a brake disc, a brake carrier, the at least one receiving area and at least one attachment area and a guide means of the type described above attached to the mounting region of the brake carrier with its attachment portion, wherein the guide portion of the guide means is received in the receiving region of the brake carrier and wherein the brake pad carrier has at least one guide projection which guided in the guide portion of the guide means displaceable is.
  • the at least one fastening region of the brake carrier can be designed in the form of a projection.
  • the elastic retaining clip and the retaining portion of the fastening portion of the guide means can engage on opposite side surfaces of the mounting region of the brake carrier.
  • the mounting region of the brake carrier may have at its opposite side surfaces recesses, in each of which the elastic retaining clip and the holding portion of the attachment portion of the guide means can engage.
  • FIG. 1 and 2 are perspective views of a guide means according to a first embodiment of the invention; a perspective view of a brake carrier according to a first embodiment; a perspective view of the brake carrier of Figure 3 with attached thereto guide means according to the first embodiment of the invention.
  • a perspective view of a disc brake according to the invention a perspective view of a disc brake according to the invention; perspective views of a guide means according to a second embodiment of the invention; a perspective view of a brake carrier according to a second embodiment with attached guide means according to the second embodiment of the invention; a perspective view of a disc brake according to the invention; perspective views of a guide means according to a third embodiment of the invention; a perspective view of a brake carrier according to the third embodiment with attached guide means according to the third embodiment of the invention; and a perspective view of a disc brake according to the invention.
  • Fig. 1 shows a guide means 10 according to a first embodiment of the invention.
  • the guide means 10 has a base body 12, which comprises a guide section 14 and a fastening section 16. Together, the management cut 14 and the attachment portion 16, the substantially S-shaped configuration of the main body 12 of the guide means 10 fixed.
  • the guide means 10 is integrally formed.
  • the guide portion 14 is provided for guiding a guide projection of a brake pad assembly (not shown).
  • the guide section 14 has a lower guide surface 14a and an upper guide surface opposite the lower guide surface 14a (not visible in FIG. 1), which are interconnected by a connection surface 14b.
  • the connecting surface 14b extends almost at right angles to the two opposite guide surfaces 14a.
  • the attachment portion 16 comprises an upper abutment surface 16a, a lower abutment surface 16b, which are interconnected via a stop surface 16c.
  • the stop surface 16c in turn extends almost at right angles to the contact surfaces 16a and 16b.
  • a retaining clip 18 can be seen, which is provided laterally on the stop surface 16c.
  • the stop surface 16 c is also provided with a holding portion 20.
  • the holding ⁇ portion 20 includes a retaining surface 22 which extends parallel to the contact surfaces 16a and 16b of the fixing portion 16 substantially.
  • the holding surface 22 is angled at an edge 24 and extends accordingly angled to the stop surface 16c.
  • the edge 24 extends substantially perpendicular to the side edges 12a, 12b of the main body 12 of the guide means 10th
  • a side edge AK of Garfikiee 22 extends perpendicular to the edge 24 and can be applied in the mounted on a brake carrier state of the guide means 10 to the brake carrier (see Fig. 3 to 5).
  • the length of the edge 24 and the side edge AK determine the size of the support surface 22 and thus define the range with which the holding portion 20 can absorb the forces and stresses exerted on the guide means 10.
  • the holding portion 20 extends according to this embodiment of the invention between the stop surface 16c and the abutment surface 16a, ie in addition to the Halteflä ⁇ che 22, the holding portion 20 includes a further portion 26 which connects the Garflä ⁇ che 22 with the contact surface 16a.
  • the holding portion 20 thus extends stepwise starting from the stop surface 16c to the contact surface 16a.
  • the guide portion 14 further includes insertion tabs 28 and 30 that assist in the insertion of a guide projection of a brake pad assembly (not shown).
  • the guide tabs 28, 30 are angled to the lower guide surface 14 a and the connecting surface 14 c.
  • a further tab 32 is provided which extends at an angle to the lower stop surface 16b and can act as an insertion tab for a guide projection of a brake pad assembly (not shown) and additionally as a stop tab for a projection of a brake carrier (not shown) received in the mounting portion 16 becomes.
  • the guide means 10 has a head portion 34 which extends at right angles to the abutment surface 16a. At the head portion 34, a latching nose 36 is formed, which extends angled from the head portion 34 into the contact surface 16a.
  • Fig. 2 again shows a perspective view of the guide means 10 according to the first embodiment of the invention.
  • the retaining clip 18 is now shown more clearly.
  • the retaining clip 18 is provided on one side of the stop surface 16 c or formed on the side edge 12 b of the base body 12.
  • the retaining clip 18 extends substantially parallel to the contact surfaces 16a and 16b of the fastening portion 16.
  • the retaining clip 18 is bent at an edge 38 in the direction of the head portion 34.
  • the edge 38 is almost perpendicular to the contact surfaces 16a and 16b of the mounting portion 16. Due to its design, the retaining clip 18 is elastic and can, for example, for tolerance compensation of manufacturing tolerances in the attachment to a brake carrier (not shown).
  • FIG 3 shows a perspective view of a brake carrier 40 according to a first exemplary embodiment.
  • the brake carrier 40 has a Anschraubbügel 42, in the mounting holes 44 and 46 are formed.
  • the attachment openings 44 and 46 serve for fastening the brake carrier 40 to a wheel carrier, not shown.
  • the brake carrier 40 comprises a parallel to the Anschraubbügel 42 extending single lever 48.
  • the Anschraubbügel 42 and the longitudinal bracket 48 are connected to each other via transverse straps 50 and 52.
  • receiving openings 54 and 56 are formed in which guide pins (not shown) of a (also not shown) floating caliper can be accommodated.
  • the brake carrier 40 further comprises a receiving region 58 and a fastening region 60 for the guide means 10 shown in FIGS. 1 and 2.
  • the receiving region 58 of the brake carrier 40 can receive the guide section 14 of the guide means 10 (not shown).
  • the receiving area 58 is defined by surfaces 58 a and 58 b and the underside (not shown) of the mounting portion 60.
  • the guide means 10 ( Figures 1 and 2) may be attached.
  • the attachment portion 60 is formed in the form of a projection and has a recess 62 and 64 at its opposite side surfaces 60a and 60b, respectively.
  • FIG. 4 shows a perspective view of the brake carrier 40 according to FIG. 3 with guide means 10 attached thereto.
  • the attachment portion 16 of the guide means 10 is attached to the mounting portion 60 formed as a projection of the brake carrier 40.
  • the attachment portion 16 of the guide means 10 receives the attachment portion 60 of the brake carrier 40 between the surfaces 16 a, 16 b, 16 c of the retaining clip 18 and the holding portion 20.
  • the retaining clip 18 and the retaining portion 20 of the attachment portion 16 of the guide means 10 engage in the grooves 62 and 64 on the opposite side surfaces 60a and 60b of the attachment portion 60. Since the retaining clip 18 is designed to be elastic, manufacturing tolerances on the fastening region 60 of the brake carrier 40 can be compensated for via the retaining clip 18. This is particularly necessary because the holding portion 20 of the guide means 10 is very stiff.
  • the guide portion 14 of the guide means 10 is received in the receiving area 58 of the brake carrier 40, so that a guide projection of a brake lagan extract (not shown) in the guide portion 14 of the guide means 10 can be performed.
  • the holding portion 20 engages in the recess 62 in the mounting portion 60 a.
  • the holding portion 20 is thus adapted to the shape of the recess 62 with its holding surface 22, which is angled at the edge 24 (FIGS. 1 and 2) to the stop surface 16 c. Since the attachment portion 60 is formed stepwise with the recess 62, the holding portion 20 can create with its step shape to the recess 62. In particular, the retaining surface 22 and its side edge AK facing the fastening region 60 engage the recess 62 or the side surface 60a.
  • Fig. 5 shows a perspective view of a disc brake 100 for a motor vehicle brake system, in which, however, the brake disc is not shown per se.
  • brake pad assemblies 66 and 68 are shown, each having a brake pad carrier 70 and a mounted on the brake pad carrier 70 brake lining 72.
  • a guide projection 74 is provided, which is guided displaceably in the guide portion 14 of the guide means 10.
  • the guide section 14 of the guide means 10 is received in the receiving region 58 of the brake carrier 40.
  • the guide section 14 engages with its surfaces 14a and 14b against the boundary surfaces of the receiving region 58 of the brake carrier 40.
  • the arrow BR in FIG. 5 indicates the direction of actuation of the brake pad assemblies 66 and 68, in which the brake pad assemblies 66 and 68 are moved during braking or when the brake is released. During braking, the brake pad assemblies 66 and 68 are displaced toward each other in the direction of the arrow BR in order to be able to interact with a brake disk, not shown.
  • the guide means 10 and the holding portion 20 of the guide means 10 is loaded via the guide projection 74 of the brake pad assemblies 66 and 68 with the actuating force from the direction of the arrow BR. Even if the brake is not actuated, vibrations occur in the operation of a vehicle, which act in the direction of the arrow BR on the guide means 10 and the holding portion 20.
  • the holding portion 20 is formed on the guide means 10 and the guide means 10 so positioned on the brake carrier 40, that the rigid holding portion 20, the particular occurring during a braking operation force of the brake pad assemblies 66 and 68 in the direction of the arrow BR can absorb.
  • the length of the edge 24 (FIGS. 1 and 2) and the side edge AK of the holding surface 22 determine the area with which the holding portion 20 can absorb the loads exerted on the guide means 10.
  • the guide means 10 Since the holding portion 20 can reliably receive the operating force, the guide means 10 has a high strength, which leads to a long life of the guide means 10.
  • Figures 6 and 7 show perspective views of a guide means 110 according to a second embodiment of the present invention.
  • the guide means 110 in turn has a base body 112 having an S-shaped configuration.
  • the main body 112 includes a guide portion 114 and a fixing portion 116.
  • the holding portion 120 differs from the holding portion 20 according to the first embodiment described above.
  • the holding portion 120 is formed only by a holding surface 122, which is angled at the edge 124.
  • the holding surface 122 in turn runs essentially parallel to the contact surfaces 116a and 116b of the guide means 110 and thus perpendicular to the stop surface 116c.
  • a recess 176 can be seen, which leads to a bulge, not shown, on the support surface 124.
  • the depression 174 or the bulge formed thereby on the holding surface 124 serves to support the attachment of the guide element 110 to a brake carrier (not shown).
  • FIG. 8 shows a perspective view of a brake carrier 140 according to a second exemplary embodiment of the invention.
  • a receiving region 158 and a fastening region 160 are formed on the brake carrier 140.
  • the opposite side surfaces 160a and 160b of the mounting portion 160 are provided with recesses 162 and 164, in which the guide member 110 engages with its retaining clip 118 and its rigid holding portion 120.
  • the recess 162 on the attachment portion 160 formed in the form of a projection is adapted to the shape of the holding portion 120 of the guide member 110.
  • the recess 176 on the holding surface 124 serves to engage in the recess 162 on the mounting portion 160th
  • FIG. 9 shows a disc brake 1100 with a guide means 110 according to the second embodiment of the invention, which is arranged on a brake carrier 140 according to the second embodiment.
  • the guide portion 174 on the brake pad carrier 170 of the brake pad assembly 166 is in turn displaceably guided in the guide portion 114 of the guide means 110, wherein the guide portion 114 is received in the receiving area 158 of the brake carrier 140, i. the surfaces 114a and 114b of the guide portion 114 abut against the boundary walls of the receiving area 158 of the brake carrier 140.
  • Figures 10 and 11 show perspective views of a guide means 210 according to a third embodiment of the present invention.
  • the third embodiment of the guide means 210 is largely consistent with the second embodiment described above.
  • the lower guide surface 214a is adjoined by a further guide surface 278, which extends at an angle to the guide surface 214a.
  • FIG. 12 shows a brake carrier 240 according to a third exemplary embodiment, on which a support surface 280 for supporting the guide means 210 is provided. At the support surface 280, the guide surface 278 of the guide means 210 applies.
  • FIG. 13 shows a perspective view of a disc brake 2100 with a guide means 210 according to the third embodiment and a brake carrier 240 according to the third embodiment.
  • the brake pad carrier 370 of the brake pad assembly 366 is designed such that it rests with its peripheral edge 282 of the guide surface 278 of the guide means 210, which is supported on the support surface 280 of the brake carrier 140.

Landscapes

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

Abstract

L'invention concerne un moyen de guidage (10) pour un ensemble de garniture de frein d'un frein à disque, comprenant un corps de base (12) qui comprend une section de guidage (14) destinée à guider une saillie de guidage de l'ensemble de garniture de frein, et une section de fixation (16) qui sert à fixer le moyen de guidage (10) sur un support de frein. La section de fixation (16) comporte deux surfaces d'appui (16a, 16b) et une surface de butée (16c) reliant les deux surfaces d'appui (16a, 16b). Au moins un étrier de retenue élastique (18) est agencé sur la surface de butée (16c) et entre en contact de retenue avec le support de frein (40) au moins sur certaines parties. Au moins la surface de butée (16c) est pourvue d'une section de retenue (20) qui peut être amenée en appui avec le support de frein (40) au moins sur certaines parties.
EP13725373.8A 2012-06-01 2013-05-28 Moyen de guidage pour ensemble de garniture de frein Withdrawn EP2855960A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210010932 DE102012010932A1 (de) 2012-06-01 2012-06-01 Führungsmittel für eine Bremsbelanganordnung
PCT/EP2013/060929 WO2013178610A1 (fr) 2012-06-01 2013-05-28 Moyen de guidage pour ensemble de garniture de frein

Publications (1)

Publication Number Publication Date
EP2855960A1 true EP2855960A1 (fr) 2015-04-08

Family

ID=48534394

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13725373.8A Withdrawn EP2855960A1 (fr) 2012-06-01 2013-05-28 Moyen de guidage pour ensemble de garniture de frein

Country Status (5)

Country Link
US (1) US9822833B2 (fr)
EP (1) EP2855960A1 (fr)
CN (1) CN104428552B (fr)
DE (1) DE102012010932A1 (fr)
WO (1) WO2013178610A1 (fr)

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CN104428552A (zh) 2015-03-18
DE102012010932A1 (de) 2013-12-05
CN104428552B (zh) 2017-03-22
US20150107944A1 (en) 2015-04-23
US9822833B2 (en) 2017-11-21
WO2013178610A1 (fr) 2013-12-05

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