EP1963169A2 - Pièce de raccordement et étrier de frein - Google Patents

Pièce de raccordement et étrier de frein

Info

Publication number
EP1963169A2
EP1963169A2 EP06841010A EP06841010A EP1963169A2 EP 1963169 A2 EP1963169 A2 EP 1963169A2 EP 06841010 A EP06841010 A EP 06841010A EP 06841010 A EP06841010 A EP 06841010A EP 1963169 A2 EP1963169 A2 EP 1963169A2
Authority
EP
European Patent Office
Prior art keywords
brake
connecting piece
extension
connection
hydraulic
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Withdrawn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
EP06841010A
Other languages
German (de)
English (en)
Inventor
Stefan Ruckh
Jürgen Beier
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.)
Gustav Magenwirth GmbH and Co KG
Original Assignee
Gustav Magenwirth GmbH and 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 Gustav Magenwirth GmbH and Co KG filed Critical Gustav Magenwirth GmbH and Co KG
Publication of EP1963169A2 publication Critical patent/EP1963169A2/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Withdrawn legal-status Critical Current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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints; Joints allowing movement
    • F16L27/08—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/087—Joints with radial fluid passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L1/00—Brakes; Arrangements thereof
    • B62L1/005—Brakes; Arrangements thereof constructional features of brake elements, e.g. fastening of brake blocks in their holders
    • 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
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/228—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
    • 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
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00—Adjustable joints; Joints allowing movement
    • F16L27/08—Adjustable joints; Joints allowing movement allowing adjustment or movement only about the axis of one pipe
    • F16L27/087—Joints with radial fluid passages
    • F16L27/093—Joints with radial fluid passages of the "banjo" type, i.e. pivoting right-angle couplings
    • 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
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0016—Brake calipers
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/02—Fluid-pressure mechanisms
    • F16D2125/16—Devices for bleeding or filling

Definitions

  • the present invention relates to fittings for a hydraulic line to a brake caliper according to a preamble of one of the corresponding independent claims directed thereto and to a brake caliper according to a preamble of one of the corresponding independent claims directed thereon.
  • Figures 1 and 2 show a known connector on the example of a prior art distributed by the present applicant brake caliper.
  • FIG. 1 shows a side view of a known brake caliper 1 to which a known connector 7 is attached.
  • FIG. 2 shows a sectional view of the brake caliper 1 and the connecting piece 7 along the line II-II of FIG. 1.
  • the brake caliper 1 has a housing 2, which can be attached to attachment parts 3, 4 on a frame part, not shown, of a bicycle.
  • a brake cylinder is provided in the housing 2.
  • a mounting aperture is provided in the housing through which a brake piston is insertable into the brake cylinder.
  • the mounting opening is closed by a closure element 5 screwed into the mounting opening. concluded.
  • a screw 6 is used to seal a vent hole after filling the brake system with hydraulic fluid.
  • connection piece 7 has a connection section with an annular region and a fastening section for fastening the hydraulic line 10 to the connection piece 7.
  • the hydraulic line has a clamping part 9, which is screwed for attachment to the attachment portion of the connecting piece 7.
  • a hollow screw 8 is inserted through the annular portion of the connector and screwed into a provided in the housing 2 having an internal thread having port opening.
  • a brake caliper AVID known, which was presented at the EUROBIKE 2005 in Friedrichshafen.
  • This brake caliper has a two-part housing. Between two lugs there is a fitting similar to the above-described fitting, having a connection portion with an annular portion, and a mounting portion for attaching a hydraulic line to the fitting.
  • a screw is provided which extends through a hole in the neck of the one housing part, through the annular portion of the connecting portion and a hole in the neck of the other housing part.
  • the known fittings and brake calipers have the disadvantage that the preparation of the required for the connection of the fitting to the brake caliper parts and the corresponding design of the housing of the brake caliper consuming and expensive.
  • the invention is therefore an object of the invention to provide a connection - piece or a brake caliper, which are structurally simple and inexpensive to manufacture.
  • connection piece for connecting a hydraulic line to a brake caliper, a brake cylinder, a slave cylinder and / or a master cylinder for a hydraulic brake and / or hydraulic clutch, in particular for motorcycles and / or bicycles, with a mounting portion for attachment the hydraulic line to the connector and a connection portion for connecting the connector to the element of the hydraulic system, wherein the connecting portion has an annular portion, wherein the connecting portion has at least one extension which extends from the annular portion substantially laterally to the ring plane.
  • This design has the advantage that fewer parts are needed for the connection, which are mainly easier and cheaper to manufacture.
  • a screw or hollow screw can be additionally provided.
  • a brake caliper for a hydraulic brake is specified, in particular for motorcycles and / or bicycles, with a housing in which a disc space for receiving a brake disc and at least one brake cylinder for receiving a brake piston is formed, wherein in the housing Connection opening for recording a connection piece is provided for connecting a hydraulic line to the brake calliper, wherein the connection opening is designed such that the connection piece can be inserted into the connection opening, and that the brake calliper has securing means for positive securing of the connection piece in the connection opening.
  • the extension may be a lateral extension of the annular region.
  • the extension may have an annular, preferably circular surface. This has the advantage that the angle between the connecting piece (and thus the hydraulic line) and the hydraulic component is adjustable.
  • the annular region and / or the extension and / or a transition region between the annular region and extension can have a preferably segment-like recess. This has the advantage that the range of the angle adjustability can be limited in a simple manner.
  • the extension may have a portion whose cross-section is larger than the cross-section of the annular portion. This has the advantage that the connecting piece can be secured or clamped in a positive manner at the resulting transition or shoulder in a simple manner.
  • the portion of larger cross section of the extension can form a flange for attachment of the connector to the brake caliper.
  • the extension between the annular portion and the portion of larger cross-section have an intermediate portion whose cross-section preferably substantially corresponds to the cross section of the annular region.
  • the cross-section of the extension may correspond to the cross-section of the annular region.
  • the extension may have a circumferential groove for receiving a sealing ring.
  • the extension may have a circumferential step for receiving a sealing ring.
  • the extension may have a peripheral sealing surface, which is preferably arranged at the end remote from the annular region of the extension.
  • a line can be formed in the extension.
  • the fitting may be formed substantially L-shaped, wherein preferably the fastening portion forms substantially one leg of the L of the substantially L-shaped fitting, the annular portion substantially connects the connecting portion of the two legs of the L of L-shaped fitting forms, and the extension forms the other leg of the L of the substantially L-shaped connector.
  • the extension may be formed on one side of the annular region.
  • the annular region on the side opposite the extension may have a wall which laterally seals the annular region.
  • connection each having an extension on both sides of the annular region.
  • the connecting piece can also be formed in the essentially T-shaped or hammerhead-shaped.
  • the two extensions may be symmetrical or identical.
  • the two extensions may be formed differently long.
  • the connecting piece can be formed at least partially and in particular in the region of the fastening section and preferably entirely from a material which is poorly heat-conductive, for example made of stainless steel. This has the advantage that the heat input of, for example, the brake caliper can be reduced in the connected hydraulic line.
  • the at least one brake cylinder can communicate with the disc space and have on its side opposite the disc space side a mounting opening through which the brake piston can be inserted into the brake cylinder.
  • the brake calliper having a closure element for closing the mounting hole, and the securing means may comprise the closure element.
  • the closure element can be screwed into the mounting opening and have a flange for securing a connection piece arranged in the connection opening.
  • connection opening may have a groove for receiving a sealing element for sealing a connection piece arranged in the connection opening.
  • a radial seal is formed with the advantages known to the person skilled in the art. The same goes for of course, when the sealing element is provided in a step or a groove of the extension on the connection piece.
  • the brake caliper may have a one-piece housing, and the connection opening may be arranged next to a mounting opening for a brake piston.
  • the brake calliper may comprise a two-part housing, wherein the connection opening is preferably arranged in at least one of the housing parts of the brake calliper on its side opposite the other housing part.
  • the securing means may comprise the housing part of the brake caliper opposite the connection opening.
  • it can vorzugswseise be provided in each case a connection opening in each case.
  • the two connection openings are opposite each other and preferably formed symmetrical to each other.
  • the invention also provides a brake caliper for a hydraulic brake, in particular according to one of the previous claims and in particular for motorcycles and / or bicycles, with a housing in which a disc space for receiving a brake disc and at least one brake cylinder for receiving a brake piston is formed, which is in communication with the disc space and on its side opposite the disc space has a mounting opening through which the brake piston is inserted into the brake cylinder, a closure element for closing the mounting hole, and a connector for connecting a hydraulic line to the brake caliper, wherein the closure element in its position closing the mounting opening secures the fitting to the housing.
  • the hydraulic line is usually made of a plastic material having a softening temperature of about 120 to 130 0 C.
  • a connector for connecting a hydraulic line to a brake caliper for a hydraulic brake, in particular for motorcycles and / or bicycles specified, wherein the connector has a heat sink for dissipating absorbed by the brake caliper during braking and transferred to the connector heat.
  • This embodiment has the advantage that the load on the hydraulic line is reduced.
  • connection piece can have a fastening section for fastening the hydraulic system. having on the connector fitting and a connection portion for connecting the connector to the brake caliper of the hydraulic system, wherein the heat sink is arranged on the mounting portion.
  • the heat sink may have cooling ribs, which are arranged substantially cuboid, wherein the heat sink may preferably be formed of a good heat conducting material.
  • the or another heat sink may be arranged on a fastening section of the hydraulic line or the clamping piece for fastening the hydraulic line.
  • connecting pieces according to the invention can have, for example, at least one extension and at least one heat sink.
  • Preferred embodiments of the invention are also directed to the combination of a brake caliper according to the invention with a connector according to the invention, in particular also to a hydraulic disc brake with a brake caliper according to the invention and / or a connecting piece according to the invention.
  • Fig. 1 shows a side view of a known brake caliper with a connector according to the prior art.
  • Fig. 2 shows a sectional view of the brake caliper and the Connecting piece of Fig. 1 along the line II-II of FIG. 1.
  • Fig. 3 shows a side view of a brake caliper according to an embodiment of the invention with a fitting according to an embodiment of the invention.
  • FIG. 4 shows a sectional view of the brake caliper and the fitting of FIG. 3 along the line IV-IV of FIG. Third
  • FIG. 4A shows a greatly enlarged section of FIG. 4 of the area indicated by the circle IVA in FIG. 4.
  • Fig. 5 shows a side view of a brake caliper according to another embodiment of the invention with a connector according to another embodiment of the invention.
  • FIG. 6 shows a sectional view of the brake calliper and the connector of FIG. 5 along the line VI-VI of FIG. 5.
  • FIG. 6A shows a greatly enlarged portion of FIG. 6 of the area indicated by the circle VIA in FIG.
  • Fig. 7 shows a side view of a brake caliper according to another embodiment of the invention with a connector according to another embodiment of the invention.
  • FIG. 8 shows a sectional view of the brake caliper and the fitting of FIG. 7 along the line VIII-VIII of FIG. 7.
  • FIG. 8A shows a greatly enlarged portion of FIG. 8 of the area indicated by the circle VIIIA in FIG.
  • FIGS 3, 4 and 4A show a brake caliper 30 and a fitting 20 according to an embodiment of the invention.
  • the brake caliper has a two-part housing with a first housing part 31 and a second housing part 32.
  • a brake cylinder is formed, in which a brake pad 41, 42 carrying brake piston 43, 44 is arranged in a manner known to those skilled.
  • a brake disc 40 is shown only partially shown.
  • the housing part 32 has fastening portions 37, 38 with which the brake caliper 30 can be mounted in a known manner on a frame part, not shown, of a bicycle.
  • a hydraulic line 10 is fastened with a clamping piece 9 to a connecting piece 20.
  • the connecting piece 20 has a fastening portion 20A for fastening the hydraulic line 10 to the connecting piece 20 and a connecting portion 2OB for connecting the connecting piece 20 to the brake caliper 30.
  • a cooling body 21 is provided in the region of the fastening portion 20A, in order to dissipate heat transferred from the brake calliper to the connecting piece 20, so that less heat is transferred to the hydraulic line 10 and the clamping piece 9.
  • connection section 2OB of the connection piece 20 comprises an annular region 24, from each of which an extension 25, 26 extends to the side.
  • a step for receiving a sealing ring 35, 36 is provided in each case at the end.
  • a circumferential groove formed in the extension or the corresponding housing part can also be provided for sealing, in which a sealing element is arranged.
  • a line 22 is provided, which merges into a running in the annular region 24 and the extensions 25, 26 line 23.
  • the connecting piece 20 is arranged with the two extensions 25, 26 in corresponding connection openings 33, 34 which are each formed in one of the housing parts 31, 32.
  • the extensions 25, 26 have a circular cross section, which corresponds essentially to the circular cross section of the connection openings 33, 34.
  • the seal with the sealing rings 35, 36 is preferably a radial seal. This has the advantage that only the tolerances between the radius of the step of the extensions and the radius of the connection opening 33, 34 must be taken into account, and the housing parts 31, 32 can be arranged firmly against each other.
  • the line 23 is in each case in fluid communication with a line 47, 48, which in turn are in fluid communication with the corresponding pressure chamber 45, 46.
  • the housing part 32 also has a vent line 49, which is closed by a screw 50.
  • Figures 5, 6 and 6A show a brake caliper 130 and a fitting 120 according to another embodiment of the invention, wherein the brake disc, the clamping piece and the hydraulic line for the sake of clarity is not shown. Since many parts and features correspond to the parts or features of the embodiment described with reference to FIGS. 3, 4 and 4A. For example, correspond or are similar to, reference is made to the description of this embodiment, and will be explained below only the differences. It should be noted that corresponding parts or similar parts have increased reference numbers by the value 100, ie, that reference is here made, for example, to reference numeral 120 to the connection piece (top 20).
  • the clamping piece 9 and the hydraulic line 10 are attached to the attachment portion 120 according to Figures 3 and 4, to connect the brake caliper to the hydraulic system. In the figures, these components are not shown.
  • the brake caliper 130 has a one-piece housing 131. On its one side, a mounting opening is provided, can be used by at least one of the brake piston 144 in the brake cylinder.
  • the mounting opening is closed with a closure element 160, which is screwed into the mounting opening after insertion of the brake piston 144 (and possibly before the brake piston 143) and seals the brake cylinder by means of the seal 162 to the outside.
  • the closure element 160 has a circumferential flange 161, which, as best seen in Fig. 6A, secures the fitting 120 in the connection opening 133 by positive engagement.
  • the fitting 120 has, as above, a mounting portion 120A to which a heat sink 121 is attached.
  • the connector 120 is formed substantially L-shaped.
  • the connection piece 120 has an annular region 124 which is closed by a wall 126 on the side facing the flange 161 of the closure element 160.
  • the attachment portion 120B On the other side facing the brake caliper, the attachment portion 120B has an extension 125.
  • the extension 125 has substantially the same cross section as the annular region 124 or the wall 126.
  • a conduit 122 is provided, which merges into a conduit 123 in the annular region and the extension.
  • the conduit 123 is in fluid connection with the line l49 when the connection piece 120 is mounted, which distributes the fluid via the lines 147, 148 to the pressure chambers 145, 146.
  • connection region 120B of the connection piece 120 and the closure element 160 corresponds substantially to the embodiment of Figures 5, 6 and 6A, so that reference will be made to the description thereof for the same features.
  • the difference consists essentially in the formation of the connection region 120B of the connection piece 120 and the closure element 160.
  • the terminal portion 120B has a segmented recess 227 extending over the wall 226, the annular portion and into the extension 225. It can also be said that between the annular region and the extension there is an intermediate region or a transition region, which is a smaller one Cross-section than the extension has. In any case, a step 228 is provided in the connection area 220B, to which the flange 261 of the closure element 260 engages in order to secure the mounted connection piece 220 in the brake calliper 230 in a form-fitting manner.
  • the closure member 260 is shorter in construction than the corresponding closure member 160.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Abstract

La présente invention concerne une pièce de raccordement (20) destinée à raccorder une conduite hydraulique à un étrier de frein, un cylindre de frein, un cylindre récepteur et/ou un maître-cylindre pour un frein hydraulique et/ou un embrayage hydraulique, en particulier pour des motocyclettes et/ou des bicyclettes. La pièce de raccordement comprend une section de fixation (20A) qui sert à fixer la conduite hydraulique à la pièce de raccordement (20), et une section de raccordement (20B) qui sert à raccorder la pièce de raccordement (20) à l'élément de l'installation hydraulique. Selon l'invention, la section de raccordement (20) présente une zone annulaire (24), la section de raccordement (20) présente au moins un prolongement (25) qui s'étend de la partie annulaire (24) au plan annulaire de façon sensiblement latérale. L'invention a également pour objet un étrier de frein (30) destiné à un frein hydraulique, en particulier pour des motocyclettes et/ou des bicyclettes, comprenant un boîtier (31) dans lequel sont formé un espace de disque destiné à recevoir un disque de frein, et au moins un cylindre de frein destiné à recevoir un piston de frein (43), une ouverture de raccordement (33) destinée à recevoir une pièce de raccordement (20) pour raccorder une conduite hydraulique à l'étrier de frein (30), étant formée dans le boîtier et étant conçue de sorte que la pièce de raccordement (20) peut être insérée dans l'ouverture (33), et l'étrier de frein présente des éléments de retenue qui servent à maintenir par liaison de forme la pièce de raccordement (20) dans l'ouverture de raccordement (33).
EP06841010A 2005-12-23 2006-12-18 Pièce de raccordement et étrier de frein Withdrawn EP1963169A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005061903A DE102005061903A1 (de) 2005-12-23 2005-12-23 Anschlussstück und Bremszange
PCT/EP2006/012200 WO2007079923A2 (fr) 2005-12-23 2006-12-18 Pièce de raccordement et étrier de frein

Publications (1)

Publication Number Publication Date
EP1963169A2 true EP1963169A2 (fr) 2008-09-03

Family

ID=37831997

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06841010A Withdrawn EP1963169A2 (fr) 2005-12-23 2006-12-18 Pièce de raccordement et étrier de frein

Country Status (4)

Country Link
US (1) US20090072614A1 (fr)
EP (1) EP1963169A2 (fr)
DE (1) DE102005061903A1 (fr)
WO (1) WO2007079923A2 (fr)

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Publication number Priority date Publication date Assignee Title
US9150275B2 (en) 2009-12-17 2015-10-06 Shimano Inc. Hydraulic connector arrangement
JP5783400B2 (ja) * 2010-05-20 2015-09-24 有限会社Ｔｓｄｅｓｉｇｎ 自転車
EP3312442A3 (fr) * 2010-08-26 2018-07-18 Gustav Magenwirth GmbH & Co. KG Frein à disque hydraulique
DE202010016054U1 (de) * 2010-12-02 2011-02-17 Lauhoff, Jürgen Betätigungsvorrichtung für eine Bremszange und Bremsanlage
DE102011007652A1 (de) * 2011-04-19 2012-10-25 Gustav Magenwirth Gmbh & Co. Kg Bremse und Verfahren zu Ihrer Montage
US9783180B2 (en) * 2016-02-05 2017-10-10 Shimano Inc. Banjo fitting including seal rupturing structure and hydraulic hose coupling assembly including same
CN115596783A (zh) * 2021-06-28 2023-01-13 比亚迪股份有限公司（Cn） 制动器卡钳和具有其的车辆

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GB1242249A (en) * 1968-10-09 1971-08-11 Tech Aero Inc Connector fitting
DE2830551A1 (de) * 1978-07-12 1980-01-31 Bosch Gmbh Robert Schnellkupplung fuer steckbare schlaucharmaturen
US4415070A (en) * 1980-06-04 1983-11-15 Lucas Industries Limited Hose connector
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Title
See references of WO2007079923A2 *

Also Published As

Publication number Publication date
DE102005061903A1 (de) 2007-06-28
US20090072614A1 (en) 2009-03-19
WO2007079923A3 (fr) 2007-08-30
WO2007079923A2 (fr) 2007-07-19

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