WO1992014635A1 - Device for locking a disc of a disc brake - Google Patents

Device for locking a disc of a disc brake Download PDF

Info

Publication number
WO1992014635A1
WO1992014635A1 PCT/FR1991/000125 FR9100125W WO9214635A1 WO 1992014635 A1 WO1992014635 A1 WO 1992014635A1 FR 9100125 W FR9100125 W FR 9100125W WO 9214635 A1 WO9214635 A1 WO 9214635A1
Authority
WO
WIPO (PCT)
Prior art keywords
locking
support member
brake disc
mobile support
locking device
Prior art date
Application number
PCT/FR1991/000125
Other languages
French (fr)
Inventor
Jean Guichard
Michel Labougle
Original Assignee
Messier Bugatti
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 Messier Bugatti filed Critical Messier Bugatti
Publication of WO1992014635A1 publication Critical patent/WO1992014635A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/005—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles by locking of wheel or transmission rotation
    • 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
    • F16D63/00—Brakes not otherwise provided for; Brakes combining more than one of the types of groups F16D49/00 - F16D61/00
    • F16D63/006—Positive locking brakes

Definitions

  • the present invention relates to a locking device for a disc brake which finds its application in particular t, although not exclusively, as a parking brake for a vehicle fitted with disc brakes, particularly helicopters.
  • An object of the present invention is to provide a device ensuring positive locking of the brake disc when the vehicle with which it is associated is stationary.
  • a brake locking device com ⁇ carrying a brake disc mounted to move opposite a support structure and having ver ⁇ rusting holes, wherein the locking device comprises a mobile support member mounted to slide on the
  • the locking pin when the movable support member is widely separated from the brake disc, the locking pin is itself kept away from the brake disc while when the movable support member has moved closer to the brake disc. brake, the locking pin is brought into elastic abutment against the brake disc and enters a locking hole as soon as it comes opposite the ver ⁇ rusting pin so that any rotation of the disc becomes impossible even in the absence of any order.
  • the locking device comprises a member for locking the movable support member in a locking position and an unlocking position.
  • - Figure 2 is a view similar to that of Figure 1 of the device in a locking position but before engagement of the locking pin in a locking opening
  • - Figure 3 is a view similar to that of Figure 1 of the device according to the invention in the position of total rusting
  • FIG. 4 is a partially sectional view of a second embodiment of the invention in the devérroui1lage position.
  • the locking device according to the invention is carried by a support structure 1 opposite which a brake disc is mounted to move.
  • the support structure 1 is connected to the chassis of the vehicle and can also be used to support the usual braking device used to brake the rotation of the disc 2 when it is desired to stop the associated vehicle.
  • the mobile support member 3 comprises a part of larger diameter forming a control piston 9 surrounding the mobile support member 3 and produced in one piece with it.
  • the control piston 9 is mounted to slide in a sealed manner in a control chamber 10 coaxial with the control piston 9 and into which supply channels 11 for pressurized control fluid open out on either side of the piston 9.
  • the tightness of the piston relative to the wall of the control chamber is provided by a seal 12.
  • the seal of the control chamber is provided by an annular seal 13 carried by the support structure and cooperating with the external surface of the movable support member 3.
  • the device On the side of the control chamber opposite to the brake disc, the device has a closure part 14 whose sealing relative to the support structure 1 is ensured by a seal 15 and of which the seal with respect to the mobile support member 3 is ensured by a seal 16.
  • the mobile support member 3 passes through the closure part 14. Its end is extends outside the part " 14 and comprises a bore 17 used to articulate a link or a manual control lever of the locking device.
  • the latter Opposite the end of the locking pin 5 facing the disc brake, the latter has locking holes 25 having a dimension sufficient to receive the corresponding end of the locking pin 5.
  • the operation of the device according to the invention is as follows: when the vehicle on which the device according to the invention is mounted is traveling on the ground, the locking device is in the position illustrated by FIG. 1, that is that is to say that the mobile support member 3 is retracted either by manual action on the end of this mobile support member, or by introducing a pressure control in the control chamber on the side of the piston which is turned towards the brake disc 2.
  • the movable support member 3 is held in this retracted position by the locking ball 22 cooperating with one of the V grooves 21
  • the follower roller 20 is pushed back by the shoulder 18 and the position detector 19 signals that the device is unlocked.
  • the locking pin 5 is pushed back by the spring 6 until it rests on the stop member 7.
  • the movable support member is sufficiently set back so that in this position the locking pin 5 is itself set back relative to the brake disc 2.
  • the movable support member 3 When it is desired to immobilize the parked vehicle, the movable support member 3 is maneuvered so that it comes into the position shown in FIG. 2.
  • the movable member 3 is brought into this position either by acting manually by means of a connecting rod or a lever articulated in the hole 17, either by introducing a pressurized control fluid on the side of the piston 9 opposite the brake disc 2.
  • the locking ball 22 In this movement, the locking ball 22 is pushed back to The locking spring 23 meets the side of the groove 21 in which it was located and enters the adjacent groove 21 to block the mobile support member 3 in the advanced position shown in FIGS. 2 and 3. If a hole Locking 25 is located at this time opposite the locking pin 5, the latter enters the locking hole and ensures positive ver ⁇ rusting of the brake disc.
  • FIG. 4 illustrates another embodiment in which the control piston 9 is no longer disposed coaxially to the mobile support member 3 but is mounted in the support structure 1 parallel to the axis of the support member.
  • mobile port 3 The rear end of the piston 9 is this time hingedly connected to a lever 26 which is also hingedly connected to the rear end of the mobile support member 3 and to a pivot 27 carried by the support structure 1.
  • the lever includes a manual control handle 28.
  • the locking pin 5 is hollow and the return spring 6 is therefore centered in blind holes in the mobile support member 3 and of the locking pin 5.
  • the movable support member 3 has annular grooves in V 21 with which a locking ball 22 carried by a hollow bolt 24 cooperates. The operation of this embodiment is similar at that of the embodiment of FIGS. 1 to 3.
  • the helical spring 6 can be replaced by a pressurized gas or by a buffer of elastic material in order to urge the locking pin 5 towards a support against the stop member 7.
  • the circular ring 7 can equal ⁇ be replaced by another support member such as an annular rim made in one piece or attached by screwing to the end of the mobile support member 3.

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

Abstract

The device described by the invention is intended for locking a brake disc movably mounted with respect to a support structure (1) and comprises a mobile support component (3) slidingly mounted on the support structure (1), perpendicularly to the brake disc, at least one control component (9) controlling the position of the mobile support component, and a locking pin (5) slidingly mounted on the mobile support component (3) opposite the locking holes (25) in the brake disc, and elastically biased towards contact with a stop component (7) mounted on the mobile support component (3) and adjacent to the brake disc (2).

Description

Di spo s i t i f de v errou i l l age d ' un dis que de fre i n à d isque . Di spo s i t i f de v errou i l the age of a disc that fre i n to d isque.
La présente invention concerne un dispositif de verrouillage d ' un frein à disque trouvant son application t notamment, bien que non exclusivement, comme frein de par¬ king pour véhicule muni de freins à disque, particulièrement 5 des hélicoptères.The present invention relates to a locking device for a disc brake which finds its application in particular t, although not exclusively, as a parking brake for a vehicle fitted with disc brakes, particularly helicopters.
On sait que lorsqu'un véhicule est en stationnement il est souhaitable d'immobiliser celui-ci au moyen d'un frein de parking agissant de façon permanente. Dans le cas d'un véhicule équipé de freins à disque, on connait desIt is known that when a vehicle is parked it is desirable to immobilize it by means of a parking brake acting permanently. In the case of a vehicle fitted with disc brakes,
10 freins de parking agissant sur les plaquettes pour maintenir celles-ci serrées sur le disque lorsque le véhicule est en stationnement. L'immobilisation du véhicule est assurée par le frottement des plaquettes qui est fonction de la force appliquée sur celles-ci. La force est généralement appliqué10 parking brakes acting on the pads to keep them tight on the disc when the vehicle is parked. The immobilization of the vehicle is ensured by the friction of the pads which is a function of the force applied to them. Force is generally applied
15 sur les plaquettes au moyen d'un circuit hydraulique relié à un accumulateur lors du stationnement. En raison des fuites même minimes de ce circuit hydraulique, le freinage de stationnement risque de perdre une partie de son efficacité après un temps prolongé de stationnement.15 on the pads by means of a hydraulic circuit connected to an accumulator during parking. Due to even minimal leaks from this hydraulic system, parking brakes may lose some of their effectiveness after prolonged parking time.
20 Un but de la présente invention est de proposer un dispositif assurant un verrouillage positif du disque de frein lorsque le véhicule auquel il est associé est en sta¬ tionnement.20 An object of the present invention is to provide a device ensuring positive locking of the brake disc when the vehicle with which it is associated is stationary.
En vue de la réalisation de ce but, on propose selonIn order to achieve this goal, we propose according to
25 l'invention, un dispositif de verrouillage d'un frein com¬ portant un disque de frein monté pour se déplacer en regard d'une structure support et comportant des trous de ver¬ rouillage, dans lequel le dispositif de verrouillage compor¬ te un organe support mobile monté pour coulisser sur la25 the invention, a brake locking device com¬ carrying a brake disc mounted to move opposite a support structure and having ver¬ rusting holes, wherein the locking device comprises a mobile support member mounted to slide on the
30 structure support perpendiculairement au disque de frein, \ au moins un organe de commande de position de l'organe sup¬ port mobile, et une broche de verrouillage montée pour cou- lisser sur l'organe support mobile en regard des trous de verrouillage du disque de frein et sollicitée élastiquement30 support structure perpendicular to the brake disc, at least one member for controlling the position of the mobile support member, and a locking pin mounted to slide on the mobile support member opposite the locking holes of the brake disc and elastically stressed
35 vers un appui contre un organe d'arrêt porté par l'organe support mobile et adjacent au disque de frein.35 towards a support against a stop member carried by the member mobile support adjacent to the brake disc.
Ainsi, lorsque l'organe support mobile est largement écarté du disque de frein, la broche de verrouillage est elle- même maintenue à l'écart du disque de frein tandis que lors- que l'organe support mobile s'est rapproché du disque de frein, la broche de verrouillage est amenée en appui élastique contre le disque de frein et pénètre dans un trou de verrouillage dès que celui-ci se présente en regard de la broche de ver¬ rouillage de sorte que toute rotation du disque devient impos- sible même en l'absence de toute commande.Thus, when the movable support member is widely separated from the brake disc, the locking pin is itself kept away from the brake disc while when the movable support member has moved closer to the brake disc. brake, the locking pin is brought into elastic abutment against the brake disc and enters a locking hole as soon as it comes opposite the ver¬ rusting pin so that any rotation of the disc becomes impossible even in the absence of any order.
Selon une version avantageuse de l'invention, le dis¬ positif de verrouillage comporte un organe de blocage de l'or¬ gane support mobile dans une position de verrouillage et une position de déverrouiliage. Ainsi, il n'est pas nécessaire de maintenir l'organe de commande en service de façon permanente pour obtenir une position stable de l'organe support mobile.According to an advantageous version of the invention, the locking device comprises a member for locking the movable support member in a locking position and an unlocking position. Thus, it is not necessary to keep the control member in service permanently in order to obtain a stable position of the mobile support member.
D'autres caractéristiques et avantages de l'inven¬ tion apparaîtront encore à la lecture de la description qui suit de deux modes de réalisation particuliers non limitatifs de l'invention en liaison avec les dessins ci-joints , parmi lesquels :Other characteristics and advantages of the invention will become apparent on reading the following description of two particular non-limiting embodiments of the invention in conjunction with the attached drawings, among which:
- la figure 1 est une vue partiellement en coupe selon un plan passant par l'axe de la broche de verrouillage, d'un premier mode de réalisation de l'invention en position de déverrouillage,FIG. 1 is a view partially in section along a plane passing through the axis of the locking pin, of a first embodiment of the invention in the unlocked position,
- la figure 2 est une vue analogue à celle de la figure 1 du dispositif dans une position de verrouillage mais avant engagement de la broche de verrouillage dans une ouver¬ ture de verrouillage, - la figure 3 est une vue analogue à celle de la figure 1 du dispositif selon l'invention en position de ver¬ rouillage total,- Figure 2 is a view similar to that of Figure 1 of the device in a locking position but before engagement of the locking pin in a locking opening, - Figure 3 is a view similar to that of Figure 1 of the device according to the invention in the position of total rusting,
- la figure 4 est une vue partiellement en coupe d'un second mode de réalisation de l'invention en position de dévérroui1lage. En référence aux figures 1 à 3, le dispositif de verrouillage selon l'invention est porté par une structure support 1 en regard de laquelle un disque de frein est monté pour se déplacer. La structure support 1 est reliée au châs- sis du véhicule et peut également servir à supporter le dispositif de freinage habituel utilisé pour freiner la rota tion du disque 2 lorsqu'on souhaite arrêter le véhicule associé.- Figure 4 is a partially sectional view of a second embodiment of the invention in the devérroui1lage position. Referring to Figures 1 to 3, the locking device according to the invention is carried by a support structure 1 opposite which a brake disc is mounted to move. The support structure 1 is connected to the chassis of the vehicle and can also be used to support the usual braking device used to brake the rotation of the disc 2 when it is desired to stop the associated vehicle.
Le dispositif de verrouillage illustré comporte un organe support mobile 3 en forme de douille mont pour coulisser sur la structure support 1 perpendiculaire¬ ment au disque de frein 2. L'organe support mobile 3 compor¬ te une cavité cylindrique 4 qui débouche à l'extrémité de l'organe support 3 adjacente au disque de frein 2. Une broch de verrouillage généralement cylindrique 5 est montée pour coulisser dans la cavité 4 selon une direction axiale de cette cavité et est repoussée vers le disque de frein 2 par un ressort hélicoïdal 6 coaxial à la broche de verrouillage 5. La broche de verrouillage 5 est retenue à l'intérieur de la cavité 4 par un organe d'arrêt formé par un jonc circu¬ laire élastique 7 disposé dans une rainure réalisée dans la paroi de la cavité 4 au voisinage de l'extrémité de l'orga¬ ne support mobile 3 adjacente au disque de frein 2. La bro¬ che de verrouillage 5 comporte un épaulement 8 qui prend appui sur l'organe d'arrêt 7 sous l'effet du ressort héli¬ coïdal 6.The locking device illustrated comprises a mobile support member 3 in the form of a socket mounted to slide on the support structure 1 perpendicular to the brake disc 2. The mobile support member 3 comprises a cylindrical cavity 4 which opens out to the end of the support member 3 adjacent to the brake disc 2. A generally cylindrical locking pin 5 is mounted to slide in the cavity 4 in an axial direction of this cavity and is pushed back towards the brake disc 2 by a helical spring 6 coaxial with the locking pin 5. The locking pin 5 is retained inside the cavity 4 by a stop member formed by an elastic circular ring 7 disposed in a groove made in the wall of the cavity 4 in the vicinity of the end of the moving support organ 3 adjacent to the brake disc 2. The locking pin 5 has a shoulder 8 which bears on the stop member 7 under the effect of the helical spring 6.
Dans sa partie médiane, l'organe support mobile 3 comporte une partie de plus grand diamètre formant un piston de commande 9 entourant l'organe support mobile 3 et réa- lise en une seule pièce avec celui-ci. Le piston de comman¬ de 9 est monté pour coulisser de façon étanche dans une chambre de commande 10 coaxiale au piston de commande 9 et dans laquelle des canaux d'alimentation 11 en fluide de commande sous pression débouchent de part et d'autre du piston 9. L'étanchéité du piston par rapport à la paroi de la chambre de commande est assurée par un joint d'étanchéi- té 12. De côté du disque de frein, 1'étanchéité de la cham¬ bre de commande est assurée par un joint d'étanchéité annu¬ laire 13 porté par la structure support et coopérant avec la surface externe de l'organe support mobile 3. Du côté de la chambre de commande opposé au disque de frein, le disposi¬ tif comporte une pièce de fermeture 14 dont l'étanchéité par rapport à la structure support 1 est assurée par un joint d'étanchéité 15 et dont l'étanchéité par rapport à l'orga- ne support mobile 3 est assurée par un joint d'étanchéité 16. L'organe support mobile 3 traverse la pièce de fermeture 14. Son extrémité s'étend à l'extérieur de la pièce" 14 et compor¬ te un perçage 17 servant à monter de façon articulée une biellette ou un levier de commande manuelle du dispositif de verrouillage. A l'intérieur de la pièce de fermeture 14, l'organe support mobile comporte une série de chanfreins réalisant d'une part un épaulement de détection de position 18 auquel est associé un détecteur de position 19 comportant un galet suiveur 20, et deux gorges de blocage annulaires 21 en forme de V auxquelles est associée une bille de bloca¬ ge 22 poussée dans l'une des gorges 21 par un ressort de blocage 23 porté par un écrou creux 24 vissé dans la pièce de fermeture 14.In its middle part, the mobile support member 3 comprises a part of larger diameter forming a control piston 9 surrounding the mobile support member 3 and produced in one piece with it. The control piston 9 is mounted to slide in a sealed manner in a control chamber 10 coaxial with the control piston 9 and into which supply channels 11 for pressurized control fluid open out on either side of the piston 9. The tightness of the piston relative to the wall of the control chamber is provided by a seal 12. On the side of the brake disc, the seal of the control chamber is provided by an annular seal 13 carried by the support structure and cooperating with the external surface of the movable support member 3. On the side of the control chamber opposite to the brake disc, the device has a closure part 14 whose sealing relative to the support structure 1 is ensured by a seal 15 and of which the seal with respect to the mobile support member 3 is ensured by a seal 16. The mobile support member 3 passes through the closure part 14. Its end is extends outside the part " 14 and comprises a bore 17 used to articulate a link or a manual control lever of the locking device. Inside the closing part 14, the member mobile stand features a series of c chamfers producing on the one hand a position detection shoulder 18 with which is associated a position detector 19 comprising a follower roller 20, and two annular locking grooves 21 in V shape with which is associated a blocking ball 22 pushed in one of the grooves 21 by a locking spring 23 carried by a hollow nut 24 screwed into the closing part 14.
En regard de l'extrémité de la broche de verrouil- lage 5 tournée vers le frein à disque, celui-ci comporte des trous de verrouillage 25 ayant une dimension suffisante pour recevoir l'extrémité correspondante de la broche de verrouillage 5.Opposite the end of the locking pin 5 facing the disc brake, the latter has locking holes 25 having a dimension sufficient to receive the corresponding end of the locking pin 5.
Le fonctionnement du dispositif selon l'invention est le suivant : lors du roulage au sol du véhicule sur lequel le dispositif selon l'invention est monté, le dispo¬ sitif de verrouillage est dans la position illustrée par la figure 1, c'est-à-dire que l'organe support mobile 3 est rétracté soit par une action manuelle sur l'extrémité de cet organe support mobile, soit en introduisant un fluide de commande sous pression dans la chambre de commande du côté du piston qui est tourné vers le disque de frein 2. L'organe support mobile 3 est maintenu dans cette position rétractée par la bille de blocage 22 coopérant avec l'une des gorges en V 21. Le galet suiveur 20 est repoussé par l'épaulement 18 et le détecteur de position 19 signale que le dispositif est déverrouillé. La broche de verrouillage 5 est repoussée par le ressort 6 jusqu'à un appui sur l'organe d'arrêt 7. L'organe support mobile est suffisamment en retrait pour que dans cette position la broche de verrouillage 5 soit elle- même en retrait par rapport au disque de frein 2.The operation of the device according to the invention is as follows: when the vehicle on which the device according to the invention is mounted is traveling on the ground, the locking device is in the position illustrated by FIG. 1, that is that is to say that the mobile support member 3 is retracted either by manual action on the end of this mobile support member, or by introducing a pressure control in the control chamber on the side of the piston which is turned towards the brake disc 2. The movable support member 3 is held in this retracted position by the locking ball 22 cooperating with one of the V grooves 21 The follower roller 20 is pushed back by the shoulder 18 and the position detector 19 signals that the device is unlocked. The locking pin 5 is pushed back by the spring 6 until it rests on the stop member 7. The movable support member is sufficiently set back so that in this position the locking pin 5 is itself set back relative to the brake disc 2.
Lorsque l'on souhaite immobiliser le véhicule en stationnement, on manoeuvre l'organe support mobile 3 pour qu celui-ci vienne dans la position représentée sur la figure 2. L'organe mobile 3 est amené dans cette position soit en agissant de façon manuelle au moyen d'une bielle ou d'un levier articulé dans le trou 17, soit en introduisant un fluide de commande sous pression du côté du piston 9 opposé au disque de frein 2. Dans ce mouvement, la bille de blocage 22 est repoussée à 1'encontre du ressort de blocage 23 par le flanc de la gorge 21 dans laquelle elle se trouvait et pénètre dans la gorge 21 adjacente pour bloquer l'organe support mobile 3 dans la position avancée représentée sur les figures 2 et 3. Si un trou de verrouillage 25 se trouve à ce moment en regard de la broche de verrouillage 5, celle- ci pénètre dans le trou de verrouillage et assure un ver¬ rouillage positif du disque de frein. Si au contraire, un trou de verrouillage ne se trouve pas en regard de la broche de verrouillage 5, celle-ci prend appui sur le côté du dis- que de frein 2, comme représenté sur la figure 2, l'organe support mobile 3 étant avancé jusqu'à la fin de course du piston 9. L'épaulement 8 de la broche de verrouillage 5 est alors écarté de l'organe d'arrêt 7. Dans cette position, le disque de frein 2 n'est pas verrouillé positivement contre une rotation mais la broche de verrouillage 5 est maintenue en appui contre le côté du disque de frein 2 par le ressort 6. Lorsque le véhicule se déplace sous l'action d'une pous¬ sée le disque de frein tourne jusqu'au moment où un trou de verrouillage 25 se présente en regard de la broche de ver- rouillage 5. Celle-ci s'introduit alors dans le trou de ver¬ rouillage 25 et prend la position de verrouillage positif représentée sur la figure 3.When it is desired to immobilize the parked vehicle, the movable support member 3 is maneuvered so that it comes into the position shown in FIG. 2. The movable member 3 is brought into this position either by acting manually by means of a connecting rod or a lever articulated in the hole 17, either by introducing a pressurized control fluid on the side of the piston 9 opposite the brake disc 2. In this movement, the locking ball 22 is pushed back to The locking spring 23 meets the side of the groove 21 in which it was located and enters the adjacent groove 21 to block the mobile support member 3 in the advanced position shown in FIGS. 2 and 3. If a hole Locking 25 is located at this time opposite the locking pin 5, the latter enters the locking hole and ensures positive ver¬ rusting of the brake disc. If, on the contrary, a locking hole is not located opposite the locking pin 5, the latter bears on the side of the brake disc 2, as shown in FIG. 2, the mobile support member 3 being advanced to the end of stroke of the piston 9. The shoulder 8 of the locking pin 5 is then moved away from the stop member 7. In this position, the brake disc 2 is not positively locked against rotation but the locking pin 5 is maintained resting against the side of the brake disc 2 by the spring 6. When the vehicle is moving under the action of a push the brake disc rotates until a locking hole 25 occurs opposite the locking pin 5. The latter is then introduced into the locking hole 25 and takes the positive locking position shown in FIG. 3.
La figure 4 illustre un autre mode de réalisation dans lequel le piston de commande 9 n'est plus disposé co- axialement à l'organe support mobile 3 mais est monté dans la structure support 1 parallèlement à l'axe de l'organe sup¬ port mobile 3. L'extrémité arrière du piston 9 est cette fois reliée de façon articulée à un levier 26 qui est par ailleurs relié de façon articulé à l'extrémité arrière de l'organe support mobile 3 et à un pivot 27 porté par la structure support 1. Le levier comporte une poignée de com¬ mande manuelle 28. Dans ce mode de réalisation, la broche de verrouillage 5 est creuse et le ressort de rappel 6 est donc centré dans des alésages borgnes de l'organe support mobile 3 et de la broche de verrouillage 5. Comme précédem¬ ment l'organe support mobile 3 comporte des gorges annulai¬ res en V 21 avec lesquelles coopère une bille de blocage 22 portée par un boulon creux 24. Le fonctionnement de ce mode de réalisation est analogue à celui du mode de réalisation des figures 1 à 3.FIG. 4 illustrates another embodiment in which the control piston 9 is no longer disposed coaxially to the mobile support member 3 but is mounted in the support structure 1 parallel to the axis of the support member. mobile port 3. The rear end of the piston 9 is this time hingedly connected to a lever 26 which is also hingedly connected to the rear end of the mobile support member 3 and to a pivot 27 carried by the support structure 1. The lever includes a manual control handle 28. In this embodiment, the locking pin 5 is hollow and the return spring 6 is therefore centered in blind holes in the mobile support member 3 and of the locking pin 5. As previously, the movable support member 3 has annular grooves in V 21 with which a locking ball 22 carried by a hollow bolt 24 cooperates. The operation of this embodiment is similar at that of the embodiment of FIGS. 1 to 3.
Bien entendu l'invention n'est pas limitée aux modes de réalisation décrits et l'on peut y apporter des variantes de réalisation sans sortir du cadre de l'invention. En par¬ ticulier, le ressort hélicoïdal 6 peut être remplacé par un gaz sous pression ou par un tampon de matière élastique afin de solliciter la broche de verrouillage 5 vers un appui contre l'organe d'arrêt 7. Le jonc circulaire 7 peut égale¬ ment être remplacé par un autre organe d'appui tel qu'un rebord annulaire réalisé en une seule pièce ou rapporté par vissage à l'extrémité de l'organe support mobile 3. Of course, the invention is not limited to the embodiments described and it is possible to make variant embodiments without departing from the scope of the invention. In particular, the helical spring 6 can be replaced by a pressurized gas or by a buffer of elastic material in order to urge the locking pin 5 towards a support against the stop member 7. The circular ring 7 can equal ¬ be replaced by another support member such as an annular rim made in one piece or attached by screwing to the end of the mobile support member 3.

Claims

REVENDICATIONS 1. Dispositif de verrouillage d'un frein comportant un disque de frein (2) monté pour se déplacer en regard d'une structure support (1) et comportant des trous de verrouillage (25) , caractérisé en ce que le dispositif de verrouillage comporte un organe support mobile (3) monté pour coulisser sur la structure support (1) perpendiculairement au disque de frein (2) , au moins un organe de commande (9, 28) de position de l'organe support mobile (3) , et une broche de verrouil- lage (5) montée pour coulisser sur l'organe support mobile (3) en regard des trous de verrouillage (25) du disque de frein et sollicitée élastiquement vers un appui contre un organe d'arrêt (7) porté par l'organe support mobile et adja¬ cent au disque de frein (2) .  CLAIMS 1. Locking device for a brake comprising a brake disc (2) mounted to move opposite a support structure (1) and comprising locking holes (25), characterized in that the locking device comprises a mobile support member (3) mounted to slide on the support structure (1) perpendicular to the brake disc (2), at least one control member (9, 28) for positioning the mobile support member (3), and a locking pin (5) mounted to slide on the movable support member (3) opposite the locking holes (25) of the brake disc and elastically urged towards a support against a stop member (7) carried by the mobile support member and adjacent to the brake disc (2).
2. Dispositif de verrouillage selon la revendica¬ tion 1 caractérisé en ce qu'il comporte un organe de blocage (22) de l'organe support mobile (3) dans une position de verrouillage et une position de déverrouillage.2. Locking device according to revendica¬ tion 1 characterized in that it comprises a blocking member (22) of the movable support member (3) in a locked position and an unlocked position.
3. Dispositif de verrouillage selon la revendica- tion 1 ou la revendication 2 caractérisé en ce que l'organe support mobile (3) comprend une douille cylindrique compor¬ tant une cavité cylindrique (4) à l'intérieur de laquelle est disposée la broche de verrouillage (5) , un organe élastique (6) étant disposé dans la cavité (4) entre l'organe support mobile et la broche de verrouillage.3. Locking device according to claim 1 or claim 2 characterized in that the movable support member (3) comprises a cylindrical socket comprising a cylindrical cavity (4) inside which the spindle is disposed locking (5), an elastic member (6) being disposed in the cavity (4) between the movable support member and the locking pin.
4. Dispositif de verrouillage selon l'une des reven¬ dications 1 à 3 caractérisé en ce que l'organe de commande comporte un piston (9) entourant l'organe support mobile (3) et réalisé en une seule pièce avec celui-ci. 4. Locking device according to one of reven¬ dications 1 to 3 characterized in that the control member comprises a piston (9) surrounding the movable support member (3) and made in one piece with it .
5. Dispositif de verrouillage selon l'une des reven¬ dications 1 à 3 caractérisé en ce que l'organe de commande comporte un piston (9) monté sur la structure support (1) pour se déplacer parallèlement à l'organe support mobile (3) , et un levier de liaison (26) relié de façon articulée au piston de commande (9) , à la structure support (1) et à l'organe support mobile (3). 5. Locking device according to one of reven¬ dications 1 to 3 characterized in that the control member comprises a piston (9) mounted on the support structure (1) to move parallel to the mobile support member ( 3), and a link lever (26) hingedly connected to the control piston (9), to the support structure (1) and to the mobile support member (3).
PCT/FR1991/000125 1990-02-14 1991-02-15 Device for locking a disc of a disc brake WO1992014635A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9001736A FR2658254A1 (en) 1990-02-14 1990-02-14 Device for locking a disc brake disc

Publications (1)

Publication Number Publication Date
WO1992014635A1 true WO1992014635A1 (en) 1992-09-03

Family

ID=9393695

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1991/000125 WO1992014635A1 (en) 1990-02-14 1991-02-15 Device for locking a disc of a disc brake

Country Status (2)

Country Link
FR (1) FR2658254A1 (en)
WO (1) WO1992014635A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019109465A1 (en) * 2019-04-10 2020-10-15 Bayerische Motoren Werke Aktiengesellschaft Brake system of a vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE532650C2 (en) * 2008-07-07 2010-03-09 Scania Cv Abp Parking brake device for vehicles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1393051A (en) * 1920-04-21 1921-10-11 Tamborello Frank Vehicle brake mechanism
FR618010A (en) * 1926-06-22 1927-03-02 Locking system immobilizing all motor vehicles against theft
GB581674A (en) * 1944-10-12 1946-10-21 Charles Leslie Thompson A mechanical device to prevent movement of an unattended perambulator, baby carriage or like vehicle
US2901260A (en) * 1956-06-19 1959-08-25 Chicago Pneumatic Tool Co Wheel lock
DE2314582A1 (en) * 1972-03-24 1973-10-04 Girling Ltd VEHICLE BRAKE WITH A BLOCKING DEVICE

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1393051A (en) * 1920-04-21 1921-10-11 Tamborello Frank Vehicle brake mechanism
FR618010A (en) * 1926-06-22 1927-03-02 Locking system immobilizing all motor vehicles against theft
GB581674A (en) * 1944-10-12 1946-10-21 Charles Leslie Thompson A mechanical device to prevent movement of an unattended perambulator, baby carriage or like vehicle
US2901260A (en) * 1956-06-19 1959-08-25 Chicago Pneumatic Tool Co Wheel lock
DE2314582A1 (en) * 1972-03-24 1973-10-04 Girling Ltd VEHICLE BRAKE WITH A BLOCKING DEVICE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019109465A1 (en) * 2019-04-10 2020-10-15 Bayerische Motoren Werke Aktiengesellschaft Brake system of a vehicle
US11821474B2 (en) 2019-04-10 2023-11-21 Bayerische Motoren Werke Aktiengesellschaft Braking system for a vehicle

Also Published As

Publication number Publication date
FR2658254A1 (en) 1991-08-16
FR2658254B1 (en) 1994-12-23

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