EP3252878B1 - Locking and unlocking system - Google Patents
Locking and unlocking system Download PDFInfo
- Publication number
- EP3252878B1 EP3252878B1 EP17174194.5A EP17174194A EP3252878B1 EP 3252878 B1 EP3252878 B1 EP 3252878B1 EP 17174194 A EP17174194 A EP 17174194A EP 3252878 B1 EP3252878 B1 EP 3252878B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- ring
- upper ring
- locking ring
- ramp
- 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.)
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Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/622—Screw-ring or screw-casing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6275—Latching arms not integral with the housing
Definitions
- the present invention relates to a secure locking system for locking the system in the locked position regardless of the vibrations of the external environment.
- the invention also relates to an electrical connector and a connector assembly comprising such a locking system.
- the invention finds applications in all areas requiring the locking of a box on another element. It finds particular applications in the field of connectivity and, in particular, in the fields of aeronautical and automotive connectors, where the connectors are often subjected to strong vibrations.
- connection assembly is a set of two connection elements (for example a male connection element and a female connection element) assembled with each other to provide an electrical connection.
- connection elements comprises one or more electrical contacts (male or female) adapted to be assembled to complementary electrical contacts of the other connection element.
- the strong environmental vibrations generate displacements of the connection elements relative to each other. These displacements can cause a loss of electrical connection between said connection elements of the same connector assembly.
- each connector assembly To prevent any displacement of one connection element relative to another, it is known to provide each connector assembly with a locking system for locking the connection between the two connection elements and thus prevent inadvertent disconnections. Such a locking system must make it possible to maintain the connection, even when the connector assembly is subjected to vibrations.
- connection elements it is known to install a locking system around one of the connection elements in order to lock each connection element relative to the other connection element of the same connector assembly.
- Different locking systems currently exist.
- the best known system consists of a generally cylindrical locking ring mounted at the end of one of the connecting elements to hold the two connection elements together.
- This locking ring is generally a hollow and short cylinder, hereinafter referred to as a ring, equipped with a first holding means intended to keep the ring free to rotate on a first connection element and a second holding means for holding the ring on the second connector member of the connector assembly.
- FR2596211 discloses a secure locking system comprising: a cylindrical shaped plug body, a locking ring adapted to be mounted on the plug body, an upper ring mounted on the locking ring, the locking ring having a groove, and the upper ring has a hole in which is positioned a lug whose end of the lug cooperates with the groove of the locking ring guiding the upper ring relative to the locking ring.
- locking rings there are locking rings whose second holding means is a screw thread for screwing said ring on the connecting elements made at the inner wall of the ring.
- This screw pitch is not always sufficient to ensure a maintenance of the connection during vibrations, so there are locking rings whose second holding means is completed by a succession of notches intended to be housed around an element blocking. These notches are also made in the inner wall of the ring, which is provided with a succession of mounted at the end of the connection element so as to cover the housing.
- each notch is an asymmetrical tooth, substantially in the shape of a right triangle.
- Each notch therefore has a low side of low height and a high side of greater height. The height of the high side is substantially equal to the height of the portion of the ball that protrudes from the housing.
- the ball is then fully housed in its housing and does not exceed said housing.
- the locking ring continues to slide, the high side of the notches is opposite the ball which can then out part of the housing under the effect of the relaxation of the spring.
- the ball is partially out of its housing, it is locked in the notch of the locking ring, ensuring the locking of the connector assembly.
- the spring may involuntarily compress the ball into the housing, allowing the notches of the locking ring to slide so as to unlock said ring.
- Such extreme conditions are encountered, for example, in the field of the automobile, when a vehicle passes over a pothole or other cavity of the roadway, or in the field of aeronautics, during holes of air in flight or shock on landing.
- the locking ring remains in position. This configuration prevents the blocking element from passing several notches and avoids unlocking the ring.
- the number of pieces is lower than the existing one, which reduces the manufacturing cost.
- the system allows a blockage of the plug during an undesired unlocking due to vibration or due to traction of the plug body.
- the manual operation of rotation of the upper ring allows the user to unlock or lock according to the direction of rotation.
- This latch system makes it easy to control the choice of locking or unlocking. Locking is done by turning the upper ring clockwise. Unlocking is done by turning the upper ring counterclockwise.
- the stiffness of the ramp spring applies a predetermined limit value to the locking or unlocking of the locking ring.
- the spring is compressed and adds torque to the lock or unlock. This torque is greater than just locking or unlocking.
- the predetermined limit value is greater than 0.2 Nm.
- the locking ring has a first visual cue and the upper ring has a second cue visual, when the first visual cue and the second visual cue coincides the locking system is locked.
- the coincidence or non-coincidence of visual cues allows to have a visual sensitivity to appreciate or not the locking system.
- a return spring is positioned in a housing of the upper ring between a guide pin and a support of the housing of the upper ring, said spring is positioned circularly with respect to the upper ring.
- the closure ring is held in position by a retaining circlip inside the upper ring.
- each notch of the toothed washer has a vertical slope to lock the unlocking and an oblique slope to obtain a locking ratchet noise.
- the upper ring has an opening allowing the plug body to pass.
- the figure 1 represents a perspective view of the secure locking system according to a particular embodiment which does not form part of the invention. It is visible the plug body 20, the upper ring 28 and the locking ring 23.
- the plug body 20 has on the outer wall a threaded portion 21.
- the figure 2 represents a perspective view of the locking system of the figure 1 in sectional view 1/4. This figure also shows the plug body 20, the upper ring 28 and the locking ring 23.
- closure ring 30 It is also visible the closure ring 30 and retaining circlip 33 (elastic ring).
- the closure ring 30 closes the locking system and prevents dust from entering the locking system.
- the retaining circlip 33 holds the closure ring 30 in its position.
- the closure ring 30 is positioned adjacent to the locking ring 23. That is to say that the closure ring 30 is in plane bearing on the locking ring 23. These two rings are concentric.
- the upper ring 28 has an opening, noted 34 (visible at the figure 3 ) passing the plug body 20. This opening is cylindrical circular.
- the figure 3 shows an exploded view secure locking system of the figure 1 .
- the plug body 20 has on the outer wall a threaded portion 21 and another portion comprising a succession of notches 22.
- the succession of notches 22 represents a notched crown.
- the toothed portion 22 is attached to the plug body 20 by a molding or stamping process.
- a locking ring 23 threaded inside adapted to be mounted on the plug body 20.
- the locking ring 23 has at least two holes 24.
- Each orifice 24 extends along an axis parallel to the axis longitudinal of the locking ring 23 opening on a locking surface.
- the locking ring 23 is configured to lock the locking system in a direction of rotation of the locking ring 23 and to unlock the locking system in the other direction of rotation of the locking ring 23.
- retaining pins 25 for locking the position of a locking element 27.
- the two retaining pins 25 are inserted into two adjacent orifices 24. These orifices 24 extend beyond the locking surface.
- the upper ring 28 is mounted on the locking ring 23.
- the upper ring 28 caps the locking ring 23.
- the threaded locking ring 23 is mounted in front of the toothed ring.
- the upper ring 28 has a contact surface adapted to bear on the locking surface of the locking ring 23.
- the contact surface has four oblong through holes 29 adapted to receive the guide pin 26.
- the shape of the oblong holes allows a degree of freedom and leaves a clearance allowing the locking ring 23 to move slightly concentrically by relative to the plug body 20.
- the oblong holes are implanted so as to follow the rotation of the locking ring 23.
- the upper ring 28 comprises a lever 41 adapted to unlock the blocking element in the direction of rotation of the locking ring 23.
- the lever 41 is a circular-shaped arm located inside the upper ring 28 and which follows in circular form the upper ring 28.
- the locking element 27, such as a latch, is mounted on the two retaining pins 25 which block the position of the locking element 27.
- the locking element 27, called the latch for the suite, comprises a flexible part capable of to be housed between two notches of the plug body 20. The part is flexible due to the elasticity of the material.
- a latch blocks the unlocking of the plug body 20 induced by parasitic vibrations.
- the latch is disengaged manually by the rotation of the upper ring 28 to cap the locking ring 23 containing the thread engaged with the thread of the plug body 20.
- the latch In a stable position, the latch is supported on the notches, which blocks any unlocking involuntary.
- the operator To unlock the connector, the operator must turn the upper ring 28 approximately 10 ° counter-clockwise.
- the upper ring 28 abuts against four pins inserted in the locking ring 23, simply continue to turn counterclockwise to unlock the connector fully.
- the return to a stable position with a catch engaged with the notches of the plug body 20 is made possible by a return spring 32 placed in tangential position of the locking ring 23.
- the return spring 32 is positioned in a housing of the upper ring 28 between a guide pin 27 and a support of the housing of the upper ring 28.
- the return spring 32 is positioned circularly with respect to the upper ring 28.
- the figure 4 represents a cross-sectional view along a plane perpendicular to the longitudinal axis of the locking system of the figure 1 in locked position.
- the guide pins 26 are positioned on the right of the oblong through holes 29.
- the arrow shows the locking direction.
- the dotted circle shows the location of the lock.
- the figure 5 represents a cross-sectional view along a plane perpendicular to the longitudinal axis of the locking system of the figure 1 in unlocked position.
- the guide pins 26 are positioned on the left of the oblong through holes 29.
- the flexible portion 31 is adapted to unlock the latch in the direction of rotation of the locking ring 23.
- the flexible portion is used to mount the latch.
- the arrow shows the direction of unlocking.
- the dotted circle shows the location of the unlock.
- the figure 6 shows another embodiment, according to the invention, with a ramp. It is shown in this figure the plug body 20, the locking ring 23, the upper ring 28, the flexible portion 31 and the toothed washer.
- a first ramp spring 38 is positioned between the plug body 20 and the locking ring 23.
- a second ramp spring 39 is positioned between the plug body 20 and the upper ring 28.
- the stiffness of the first spring and the second spring applies a predetermined limit value to the locking or unlocking of the locking ring 23.
- the operator feels the force of the locking ring and can feel the end of locking. In certain environments, the fact of feeling the tightening and thus the locking makes it possible to lock the system blind.
- toothed washer 37 there is visible a toothed washer 37, one face is positioned on the locking surface of the locking ring.
- the locking ring 23 threaded inside adapted to be mounted on the plug body 20.
- the locking ring 23 has at least one orifice 24.
- the orifice 24 extends along an axis parallel to the longitudinal axis of the locking ring 23 opening on a locking surface. In this embodiment, there are two orifices 24.
- the locking ring 23 is configured to lock the locking system in a direction of rotation of the locking ring 23 and to unlock the locking system in the other direction of rotation of the locking ring 23.
- retaining pins 25 for locking the position of a locking element 27.
- the two retaining pins 25 are inserted into two adjacent orifices 24. These orifices 24 extend beyond the locking surface.
- the upper ring 28 is mounted on the locking ring 23.
- the upper ring 28 caps the locking ring 23.
- the threaded locking ring 23 is mounted in front of the toothed washer 37.
- the upper ring 28 has a contact surface 42, shown in the following figure, adapted to bear against the other face of the toothed washer 37.
- the contact surface 42 comprises a lever 41.
- closure ring 30 The closure ring 30, the opening 34 and the circlip are described above.
- the locking ring 23 moves concentrically with respect to the plug body 20.
- the locking ring 23 has a through hole, said ramp-shaped through hole 36 having a linear portion, then a rising ramp and a descending ramp.
- the upper ring 28 has a through hole in which is positioned a lug 35, the end of the lug 35 cooperates with the ramp-shaped through hole of the locking ring 23 guiding the upper ring 28 relative to the ring. lock 23.
- the upper ring 28 comprises the lever 41 adapted to unlock the blocking element in the direction of rotation of the locking ring 23.
- the lever 41 is a circular arm located inside the upper ring 28 and follows from the circular form the upper ring 28.
- the locking element 27, such as a latch, is mounted on the two retaining pins 25 which block the position of the locking element 27.
- the locking element 27, called the latch for the suite, comprises a flexible part capable of to be housed between two notches of the plug body 20. The part is flexible due to the elasticity of the material.
- a latch blocks the unlocking of the plug body 20 induced by parasitic vibrations.
- the latch is disengaged, by the lever 41 (shown in the following figure), manually by the rotation of the upper ring 28 to cap the locking ring 23 containing the thread engaged with the thread of the plug body 20.
- the latch In a stable position, the latch is supported on the notches, which blocks any unlocking involuntary.
- the operator To unlock the connector, the operator must turn the upper ring 28 approximately 10 ° counter-clockwise.
- the flexible portion of the upper ring 28 (or arm), located at the periphery of the notches, then raises the latch.
- the connector is thus unlocked. Just continue to turn counterclockwise to unlock the connector completely.
- the figure 8 takes up some elements of the figure 7 .
- This figure shows the contact surface 42 and the lever 41, as described above.
- the figure 9 shows the blocking element 27, the flexible part 31 and the toothed washer 37.
- FIGS 10 to 24 represent the locking of the embodiment shown in Figures 6 to 9 . These figures show the locking ring 23, the flexible portion 31, the upper ring 28, the first ramp spring 38, the second ramp spring 39, the plug body 20, the toothed washer 37, the pin 35, the ramp 36, the notch of the flexible portion 40 and the lever 41.
- the Figures 10 to 12 show the plug body 20 in the free state.
- the locking ring 23 and the upper ring 28 can rotate only clockwise with respect to the plug body 20. This is due to the specific profile of the notches of the toothed washer 37 and the notch of the part flexible 40.
- the tightening torque of the upper ring 28 then becomes lighter until it hardens again when the locking ring 23 and the upper ring 28 are secured again.
- the plug body 20 is locked with the base 43.
- the operator To unlock, the operator must provide a torque in the opposite direction of the clock, a value greater than the minimum of the unlocking torque imposed by the standard.
- the upper ring 28 disengages from the locking ring 23, the pin 35 then descends the ramp 36 according to its profile.
- the locking ring 23 remains locked on the base 43 since the flexible portion 31 does not rise.
- the lever 41 ends up reaching the stop with the flexible portion 31.
- the first ramp spring 38 is then at the maximum of its compression.
- the operator continues to rotate the upper ring 28 to unlock the plug body 20.
- the flexible portion 31 then lifts.
- the upper ring 28 becomes secured to the locking ring 23 when the lug 35 abuts at the bottom of the ramp 36.
- the unlocking of the base 43 then operates.
- FIGS. 33, 34 and 35 show another embodiment with a visual cue.
- the flexible part comprises a spring which forces the flexible part to move by blocking or not the notches of the toothed ring 37 or the notches of the plug body 20.
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Description
La présente invention concerne un système de verrouillage sécurisé permettant de bloquer le système en position verrouillée quelles que soient les vibrations de l'environnement extérieur.The present invention relates to a secure locking system for locking the system in the locked position regardless of the vibrations of the external environment.
L'invention concerne également un connecteur électrique et un ensemble connecteur comportant un tel système de verrouillage.The invention also relates to an electrical connector and a connector assembly comprising such a locking system.
L'invention trouve des applications dans tous les domaines nécessitant le verrouillage d'un boitier sur un autre élément. Elle trouve notamment des applications dans le domaine de la connectique et, en particulier, dans les domaines de la connectique aéronautique et automobile, où les connecteurs sont souvent soumis à de fortes vibrations.The invention finds applications in all areas requiring the locking of a box on another element. It finds particular applications in the field of connectivity and, in particular, in the fields of aeronautical and automotive connectors, where the connectors are often subjected to strong vibrations.
En connectique, on appelle « ensemble connecteur » un ensemble de deux éléments de connexion (par exemple un élément de connexion mâle et un élément de connexion femelle) assemblés l'un avec l'autre pour assurer une liaison électrique. Chacun des éléments de connexion comporte un ou plusieurs contacts électriques (mâles ou femelles) aptes à s'assembler à des contacts électriques complémentaires de l'autre élément de connexion.In connectivity, the term "connector assembly" is a set of two connection elements (for example a male connection element and a female connection element) assembled with each other to provide an electrical connection. Each of the connection elements comprises one or more electrical contacts (male or female) adapted to be assembled to complementary electrical contacts of the other connection element.
Dans certaines applications, notamment dans les domaines de la connectique aéronautique ou automobile, les fortes vibrations environnementales génèrent des déplacements des éléments de connexion l'un par rapport à l'autre. Ces déplacements peuvent entraîner une perte de liaison électrique entre lesdits éléments de connexion d'un même ensemble connecteur.In some applications, particularly in the fields of aeronautical or automotive connections, the strong environmental vibrations generate displacements of the connection elements relative to each other. These displacements can cause a loss of electrical connection between said connection elements of the same connector assembly.
Pour éviter tout déplacement d'un élément de connexion par rapport à un autre, il est connu de munir chaque ensemble connecteur d'un système de verrouillage permettant de verrouiller la liaison entre les deux éléments de connexion et ainsi empêcher des déconnexions intempestives. Un tel système de verrouillage doit permettre de maintenir la connexion, même lorsque l'ensemble connecteur est soumis à des vibrations.To prevent any displacement of one connection element relative to another, it is known to provide each connector assembly with a locking system for locking the connection between the two connection elements and thus prevent inadvertent disconnections. Such a locking system must make it possible to maintain the connection, even when the connector assembly is subjected to vibrations.
Pour cela, il est connu d'installer un système de verrouillage autour d'un des éléments de connexion afin de verrouiller chaque élément de connexion par rapport à l'autre élément de connexion du même ensemble connecteur. Différents systèmes de verrouillage existent actuellement. Le système le plus connu consiste en une bague de verrouillage généralement cylindrique montée à l'extrémité d'un des éléments de connexion afin de maintenir les deux éléments de connexion assemblés. Cette bague de verrouillage est généralement un cylindre creux et court, appelé par la suite anneau, équipé d'un premier moyen de maintien destiné à maintenir l'anneau libre en rotation sur un premier élément de connexion et d'un second moyen de maintien destiné à maintenir l'anneau sur le second élément de connexion de l'ensemble connecteur.For this, it is known to install a locking system around one of the connection elements in order to lock each connection element relative to the other connection element of the same connector assembly. Different locking systems currently exist. The best known system consists of a generally cylindrical locking ring mounted at the end of one of the connecting elements to hold the two connection elements together. This locking ring is generally a hollow and short cylinder, hereinafter referred to as a ring, equipped with a first holding means intended to keep the ring free to rotate on a first connection element and a second holding means for holding the ring on the second connector member of the connector assembly.
Il est connu le document
Il est connu également le document
Parmi les bagues de verrouillage, il existe des bagues de verrouillage dont le second moyen de maintien est un pas de vis permettant de visser ledit anneau sur les éléments de connexion réalisé au niveau de la paroi intérieure de l'anneau .Among the locking rings, there are locking rings whose second holding means is a screw thread for screwing said ring on the connecting elements made at the inner wall of the ring.
Ce pas de vis n'est pas toujours suffisant à assurer un maintien de la connexion pendant des vibrations, aussi il existe des bagues de verrouillage dont le second moyen de maintien est complété par une succession de crans destinés à se loger autour d'un élément de blocage. Ces crans sont réalisés aussi dans la paroi intérieure de l'anneau, qui est munie d'une succession de montée à l'extrémité de l'élément de connexion de façon à pouvoir recouvrir le logement.This screw pitch is not always sufficient to ensure a maintenance of the connection during vibrations, so there are locking rings whose second holding means is completed by a succession of notches intended to be housed around an element blocking. These notches are also made in the inner wall of the ring, which is provided with a succession of mounted at the end of the connection element so as to cover the housing.
Lors du verrouillage du système, l'opérateur fait subir un mouvement de rotation à la bague de verrouillage autour de l'élément de connexion. La paroi intérieure de la bague de verrouillage coulisse, cran par cran, autour de l'extrémité de l'élément de connexion et donc de l'élément de blocage. Ainsi, la paroi intérieure crantée de la bague de verrouillage entraine un mouvement de la bille dans son logement. Ce mouvement est induit par les crans de la bague de verrouillage. En effet, chaque cran est une dent asymétrique, en forme sensiblement de triangle rectangle. Chaque cran comporte donc un côté bas de faible hauteur et un côté haut de plus grande hauteur. La hauteur du côté haut est sensiblement égale à la hauteur de la partie de la bille qui dépasse du logement. Ainsi, lorsque la bague de verrouillage est en rotation, le côté bas des crans appuie sur la bille, ce qui comprime le ressort. La bille se trouve alors totalement logée dans son logement et ne dépasse pas dudit logement. La bague de verrouillage continuant à coulisser, le côté haut des crans se trouve en regard de la bille qui peut alors sortir en partie du logement sous l'effet de la détente du ressort. Lorsque la bille est partiellement hors de son logement, elle se trouve bloquée dans le cran de la bague de verrouillage, assurant le verrouillage de l'ensemble connecteur.When locking the system, the operator rotates the locking ring around the connection member. The inner wall of the locking ring slides, notch by notch, around the end of the connecting element and therefore of the locking element. Thus, the notched inner wall of the locking ring causes a movement of the ball in its housing. This movement is induced by the notches of the locking ring. Indeed, each notch is an asymmetrical tooth, substantially in the shape of a right triangle. Each notch therefore has a low side of low height and a high side of greater height. The height of the high side is substantially equal to the height of the portion of the ball that protrudes from the housing. Thus, when the locking ring is rotating, the bottom side of the notches press on the ball, which compresses the spring. The ball is then fully housed in its housing and does not exceed said housing. The locking ring continues to slide, the high side of the notches is opposite the ball which can then out part of the housing under the effect of the relaxation of the spring. When the ball is partially out of its housing, it is locked in the notch of the locking ring, ensuring the locking of the connector assembly.
Toutefois, lors de conditions extrêmes et notamment à de fortes vibrations ou de fortes secousses, il arrive que le ressort se comprime involontairement entrainant la bille dans le logement, ce qui permet aux crans de la bague de verrouillage de coulisser de façon à déverrouiller ladite bague. De telles conditions extrêmes se rencontrent, par exemple, dans le domaine de l'automobile, lorsqu'un véhicule passe sur un nid de poule ou toute autre cavité de la chaussée, ou dans le domaine de l'aéronautique, lors de trous d'air en vol ou de chocs à l'atterrissage.However, under extreme conditions and especially with strong vibrations or shaking, the spring may involuntarily compress the ball into the housing, allowing the notches of the locking ring to slide so as to unlock said ring. . Such extreme conditions are encountered, for example, in the field of the automobile, when a vehicle passes over a pothole or other cavity of the roadway, or in the field of aeronautics, during holes of air in flight or shock on landing.
La présente invention vise à remédier à ces inconvénients.
A cet effet, selon un premier aspect, la présente invention vise un système de verrouillage et déverrouillage sécurisé comportant :
- un corps de fiche de forme cylindrique, ledit corps de fiche comporte sur la paroi extérieure une partie filetée
- une bague de verrouillage filetée à l'intérieur apte à être montée sur le corps de fiche, ladite bague de verrouillage comporte au moins un orifice, l'orifice s'étend selon un axe parallèle à l'axe longitudinal de la bague de verrouillage débouchant sur une surface de verrouillage, ladite bague de verrouillage étant configurée pour verrouiller le système de verrouillage dans un sens de rotation de la bague de verrouillage et déverrouiller le système de verrouillage dans l'autre sens de rotation de la bague de verrouillage,
- une rondelle crantée, dont une face est positionnée sur la surface de verrouillage de la bague de verrouillage,
- une goupille de maintien pour bloquer la position d'un élément de blocage insérée dans l'orifice s'étendant au-delà de la surface de verrouillage,
- une bague supérieure montée sur la bague de verrouillage, la bague supérieure comporte une surface de contact apte à venir en appui sur l'autre face de la rondelle crantée, ladite bague supérieure comporte un levier adapté pour débloquer l'élément de blocage dans le sens de rotation de la bague de verrouillage,
- l'élément de blocage, tel qu'un loquet, monté sur la goupille de maintien bloquant la position de l'élément de blocage, ledit élément de blocage comporte une partie flexible apte à venir se loger entre deux crans de la rondelle crantée,
remarquable en ce que :- la bague de verrouillage comporte une gorge, ladite gorge en forme de rampe ayant une partie linéaire, puis une rampe montante et une rampe descendante,
- un ressort de rampe (39), configuré pour que le mouvement du verrouillage ou du déverrouillage de la bague supérieure (28) soit mobile et que la bague de verrouillage (23) soit fixe, la bague supérieure est mobile par rapport à la bague de verrouillage,
- la bague supérieure comporte un trou dans lequel est positionné un ergot dont l'extrémité de l'ergot coopère avec la gorge en forme de rampe de la bague de verrouillage guidant la bague supérieure par rapport à la bague de verrouillage.
For this purpose, according to a first aspect, the present invention aims at a secure locking and unlocking system comprising:
- a cylindrical shaped plug body, said plug body has a threaded portion on the outer wall
- a threaded locking ring inside adapted to be mounted on the plug body, said locking ring comprises at least one orifice, the orifice extends along an axis parallel to the longitudinal axis of the locking ring opening on a locking surface, said locking ring being configured to lock the locking system in one direction of rotation of the locking ring and to unlock the locking system in the other direction of rotation of the locking ring,
- a toothed washer, one face of which is positioned on the locking surface of the locking ring,
- a retaining pin for locking the position of a locking member inserted in the hole extending beyond the locking surface,
- an upper ring mounted on the locking ring, the upper ring comprises a contact surface adapted to bear against the other face of the toothed washer, said upper ring comprises a lever adapted to unlock the blocking element in the direction rotation of the locking ring,
- the locking element, such as a latch, mounted on the retaining pin blocking the position of the locking element, said locking element comprises a flexible portion adapted to be housed between two notches of the toothed washer,
remarkable in that:- the locking ring has a groove, said ramp-shaped groove having a linear part, then a rising ramp and a descending ramp,
- a ramp spring (39), configured so that the movement of the locking or unlocking of the upper ring (28) is movable and the locking ring (23) is fixed, the upper ring is movable relative to the ring of locking,
- the upper ring has a hole in which is positioned a lug whose end of the lug cooperates with the groove in the form of ramp of the locking ring guiding the upper ring relative to the locking ring.
Grâce à ces dispositions, lors de conditions extrêmes et notamment à de fortes vibrations ou de fortes secousses, la bague de verrouillage reste en position. Cette configuration empêche l'élément de blocage de passer plusieurs crans et évite de déverrouiller la bague. Le nombre de pièces est inférieur à l'existant ce qui réduit le coût de fabrication.Thanks to these provisions, in extreme conditions and especially to strong vibrations or strong shaking, the locking ring remains in position. This configuration prevents the blocking element from passing several notches and avoids unlocking the ring. The number of pieces is lower than the existing one, which reduces the manufacturing cost.
Le système permet d'avoir un blocage de la fiche lors d'un déverrouillage non désiré dû aux vibrations ou dû à une traction du corps de fiche. L'opération manuelle de rotation de la bague supérieure permet à l'utilisateur de déverrouiller ou verrouiller en fonction du sens de rotation.The system allows a blockage of the plug during an undesired unlocking due to vibration or due to traction of the plug body. The manual operation of rotation of the upper ring allows the user to unlock or lock according to the direction of rotation.
Ce système à loquet permet de gérer facilement le choix du verrouillage ou du déverrouillage. Le verrouillage se faisant en tournant la bague supérieure dans le sens horaire. Le déverrouillage se faisant en tournant la bague supérieure dans le sens antihoraire.This latch system makes it easy to control the choice of locking or unlocking. Locking is done by turning the upper ring clockwise. Unlocking is done by turning the upper ring counterclockwise.
Ainsi l'opérateur ressent le fait de forcer sur la bague de verrouillage et peut ressentir la fin du verrouillage. Dans certains environnements, le fait de ressentir le serrage et donc le verrouillage permet de verrouiller le système à l'aveugle.Thus the operator feels the force on the locking ring and can feel the end of the lock. In some environments, feeling the tightness and therefore the lock allows you to lock the system blind.
De plus cette fiche reste dans l'encombrement préconisé par la norme MIL-C 38999 SIII.In addition, this plug remains in the size recommended by MIL-C 38999 SIII.
L'invention est avantageusement mise en oeuvre selon les modes de réalisation et les variantes exposées ci-après, lesquelles sont à considérer individuellement ou selon toute combinaison techniquement opérante.The invention is advantageously implemented according to the embodiments and variants described below, which are to be considered individually or in any technically operative combination.
Dans un mode de réalisation, la raideur du ressort de rampe applique une valeur limite prédéterminée au verrouillage ou déverrouillage de la bague de verrouillage.In one embodiment, the stiffness of the ramp spring applies a predetermined limit value to the locking or unlocking of the locking ring.
Le ressort est comprimé et ajoute un couple au verrouillage ou déverrouillage. Ce couple est supérieur au simple verrouillage ou déverrouillage.The spring is compressed and adds torque to the lock or unlock. This torque is greater than just locking or unlocking.
Dans un mode de réalisation, la valeur limite prédéterminée est supérieure à 0,2 Nm.In one embodiment, the predetermined limit value is greater than 0.2 Nm.
Dans un mode de réalisation, la bague de verrouillage comporte un premier repère visuel et la bague supérieure comporte un deuxième repère visuel, lorsque le premier repère visuel et le deuxième repère visuel coïncide le système de verrouillage est verrouillé.In one embodiment, the locking ring has a first visual cue and the upper ring has a second cue visual, when the first visual cue and the second visual cue coincides the locking system is locked.
Ainsi, la coïncidence ou non de repères visuels permet d'avoir un sensitivité visuelle pour apprécier ou non le verrouillage du système.Thus, the coincidence or non-coincidence of visual cues allows to have a visual sensitivity to appreciate or not the locking system.
Dans un mode de réalisation, un ressort de rappel est positionné dans un logement de la bague supérieure entre une goupille de guidage et un appui du logement de la bague supérieure, ledit ressort est positionné de façon circulaire par rapport à la bague supérieure.In one embodiment, a return spring is positioned in a housing of the upper ring between a guide pin and a support of the housing of the upper ring, said spring is positioned circularly with respect to the upper ring.
Dans un mode de réalisation, la bague de fermeture est maintenue en position par un circlip de rétention à l'intérieur de la bague supérieure.In one embodiment, the closure ring is held in position by a retaining circlip inside the upper ring.
Dans un mode de réalisation, chaque cran de la rondelle crantée comporte une pente verticale pour bloquer le déverrouillage et une pente oblique pour obtenir un bruit de cliquet au verrouillage.In one embodiment, each notch of the toothed washer has a vertical slope to lock the unlocking and an oblique slope to obtain a locking ratchet noise.
Dans un mode de réalisation, la bague supérieure comporte une ouverture laissant passer le corps de fiche.In one embodiment, the upper ring has an opening allowing the plug body to pass.
D'autres avantages, buts et caractéristiques de la présente invention ressortent de la description qui suit faite, dans un but explicatif et nullement limitatif, en regard des dessins annexés, dans lesquels :
- la
figure 1 représente une vue en perspective d'un système de verrouillage sécurisé selon un exemple de réalisation particulier du système objet qui ne fait pas partie de la présente invention, - la
figure 2 représente une vue en perspective du système de verrouillage de lafigure 1 en vue en coupe 1/4, - la
figure 3 représente une vue éclatée système de verrouillage sécurisé de lafigure 1 , - la
figure 4 représente une vue en coupe transversale selon un plan perpendiculaire à l'axe longitudinal du système de verrouillage de lafigure 1 en position verrouillé, - la
figure 5 représente une vue en coupe transversale selon un plan perpendiculaire à l'axe longitudinal du système de verrouillage de lafigure 1 en position déverrouillé, - les
figures 6 à 9 représentent un autre mode de réalisation selon l'invention, avec une rampe, - les
figures 10 à 24 représentent le verrouillage du mode de réalisation représenté auxfigures 6 à 9 , - les
figures 25 à 32 représentent le déverrouillage du mode de réalisation représenté auxfigures 6 à 9 , - les
figures 33, 34 et 35 montrent un autre mode de réalisation avec un repère visuel.
- the
figure 1 represents a perspective view of a secure locking system according to a particular embodiment of the object system which does not form part of the present invention, - the
figure 2 represents a perspective view of the locking system of thefigure 1 in 1/4 section view, - the
figure 3 represents an exploded view secure locking system of thefigure 1 , - the
figure 4 represents a cross-sectional view along a plane perpendicular to the longitudinal axis of the locking system of thefigure 1 in locked position, - the
figure 5 represents a cross-sectional view along a plane perpendicular to the longitudinal axis of the locking system of thefigure 1 in unlocked position, - the
Figures 6 to 9 represent another embodiment according to the invention, with a ramp, - the
Figures 10 to 24 represent the locking of the embodiment shown inFigures 6 to 9 , - the
Figures 25 to 32 represent the unlocking of the embodiment shown inFigures 6 to 9 , - the
Figures 33, 34 and 35 show another embodiment with a visual cue.
La
Le corps de fiche 20 comporte sur la paroi extérieure une partie filetée 21.The
La
Il est visible également la bague de fermeture 30 et le circlip de rétention 33 (anneau élastique).It is also visible the
La bague de fermeture 30 ferme le système de verrouillage et évite que des poussières ne rentrent à l'intérieur du système de verrouillage. Le circlip de rétention 33 maintient la bague de fermeture 30 dans sa position. La bague de fermeture 30 est positionnée de manière adjacente à la bague de verrouillage 23. C'est-à-dire que la bague de fermeture 30 est en appui plan sur la bague de verrouillage 23. Ces deux bagues sont concentriques.The
La bague supérieure 28 comporte une ouverture, notée 34 (visible à la
La
Il est visible un corps de fiche 20 de forme cylindrique. Le corps de fiche 20 comporte sur la paroi extérieure une partie filetée 21 et une autre partie comportant une succession de crans 22. La succession de crans 22 représente une couronne crantée.It is visible a
Dans un mode de réalisation, la partie crantée 22 est rapportée au corps de fiche 20 par un procédé de moulage ou de matriçage.In one embodiment, the
Il est visible une bague de verrouillage 23 filetée à l'intérieur apte à être montée sur le corps de fiche 20. La bague de verrouillage 23 comporte au moins deux orifices 24. Chaque orifice 24 s'étend selon un axe parallèle à l'axe longitudinal de la bague de verrouillage 23 débouchant sur une surface de verrouillage.It is visible a
La bague de verrouillage 23 est configurée pour verrouiller le système de verrouillage dans un sens de rotation de la bague de verrouillage 23 et déverrouiller le système de verrouillage dans l'autre sens de rotation de la bague de verrouillage 23.The locking
Sur cet exemple de réalisation, il y a deux goupilles de maintien 25 pour bloquer la position d'un élément de blocage 27. Les deux goupilles de maintien 25 sont insérées dans deux orifices 24 adjacents. Ces orifices 24 s'étendent au-delà de la surface de verrouillage.In this embodiment, there are two retaining
Sur cet exemple de réalisation, il y a quatre goupilles de guidage insérées dans d'autres orifices 24. Ces orifices 24 s'étendent également au-delà de la surface de verrouillage.In this embodiment, there are four guiding pins inserted in
La bague supérieure 28 est montée sur la bague de verrouillage 23. La bague supérieure 28 coiffe la bague de verrouillage 23.The
Sur ce corps de fiche 20, la bague de verrouillage 23 filetée est montée en avant de la couronne crantée.On this
La bague supérieure 28 comporte une surface de contact apte à venir en appui sur la surface de verrouillage de la bague de verrouillage 23.The
La surface de contact comporte quatre trous traversants oblongs 29 aptes à recevoir la goupille de guidage 26. La forme des trous oblongs permet d'avoir un degré de liberté et laisse un jeu permettant à la bague de verrouillage 23 de bouger légèrement de façon concentrique par rapport au corps de fiche 20. Les trous oblongs sont implantés de manière à suivre la rotation de la bague de verrouillage 23.The contact surface has four oblong through
La bague supérieure 28 comporte un levier 41 adapté pour débloquer l'élément de blocage dans le sens de rotation de la bague de verrouillage 23. Le levier 41 est un bras de forme circulaire situé à l'intérieur de la bague supérieure 28 et qui suit de la forme circulaire la bague de supérieure 28.The
L'élément de blocage 27, tel un loquet, est monté sur les deux goupilles de maintien 25 qui bloquent la position de l'élément de blocage 27. L'élément de blocage 27, appelé loquet pour la suite, comporte une partie flexible apte à venir se loger entre deux crans du corps de fiche 20. La partie est flexible grâce à l'élasticité du matériau.The locking
L'utilisation d'un loquet bloque le déverrouillage du corps de fiche 20 induit par des vibrations parasites. Le loquet est débrayé manuellement par la rotation de la bague supérieure 28 venant coiffer la bague de verrouillage 23 contenant le filetage en prise avec le filetage du corps de fiche 20.The use of a latch blocks the unlocking of the
En position stable, le loquet est en appui sur les crans, ce qui bloque tout déverrouillage involontaire.In a stable position, the latch is supported on the notches, which blocks any unlocking involuntary.
Pour déverrouiller le connecteur, l'opérateur doit faire tourner d'environ 10° la bague supérieure 28 dans le sens anti-horaire.To unlock the connector, the operator must turn the
De ce fait, la partie flexible de la bague supérieure 28 (ou bras), situé en périphérie des crans, fait alors soulever le loquet. Le connecteur est ainsi débloqué.Therefore, the flexible portion of the upper ring 28 (or arm), located at the periphery of the notches, then raises the latch. The connector is thus unlocked.
La bague supérieure 28 vient en appui contre quatre goupilles insérées dans la bague de verrouillage 23, il suffit de continuer à tourner dans le sens antihoraire pour déverrouiller le connecteur entièrement. Le retour à une position stable avec un loquet en prise avec les crans du corps de fiche 20 est rendu possible grâce à un ressort de rappel 32 placé en position tangentielle de la bague verrouillage 23.The
Le ressort de rappel 32 est positionné dans un logement de la bague supérieure 28 entre une goupille de guidage 27 et un appui du logement de la bague supérieure 28. Le ressort de rappel 32 est positionné de façon circulaire par rapport à la bague supérieure 28.The
La
Dans cette configuration, les goupilles de guidage 26 se positionnent sur la droite des trous traversants oblongs 29.In this configuration, the guide pins 26 are positioned on the right of the oblong through holes 29.
La flèche montre le sens de verrouillage. Le cercle en pointillé montre l'endroit du verrouillage.The arrow shows the locking direction. The dotted circle shows the location of the lock.
La
Dans cette configuration, les goupilles de guidage 26 se positionnent sur la gauche des trous traversants oblongs 29.In this configuration, the guide pins 26 are positioned on the left of the oblong through holes 29.
La partie flexible 31 est adaptée pour débloquer le loquet dans le sens de rotation de la bague de verrouillage 23. La partie flexible permet de monter le loquet.The
La flèche montre le sens de déverrouillage. Le cercle en pointillé montre l'endroit du déverrouillage.The arrow shows the direction of unlocking. The dotted circle shows the location of the unlock.
Le mode de réalisation des
La
Dans une variante non représentée, il y a uniquement un ressort de rampe, noté 39 sur la figure, qui permet de rendre la bague de supérieure 28 mobile lors de la phase de verrouillage ou de déverrouillage : la bague de verrouillage 23 est fixe et la bague supérieure 28 est mobile par le ressort de rampe 39.In a variant not shown, there is only a ramp spring, denoted 39 in the figure, which makes it possible to make the
Dans la variante représentée, un premier ressort de rampe 38 est positionné entre le corps de fiche 20 et la bague de verrouillage 23. Un deuxième de ressort de rampe 39 est positionné entre le corps de fiche 20 et la bague supérieure 28.In the variant shown, a
La raideur du premier ressort et du deuxième ressort applique une valeur limite prédéterminée au verrouillage ou déverrouillage de la bague de verrouillage 23. Ainsi l'opérateur ressent le fait de forcer sur la bague de verrouillage et peut ressentir la fin du verrouillage. Dans certain environnement, le fait de ressentir le serrage et donc le verrouillage permet de verrouiller le système à l'aveugle.The stiffness of the first spring and the second spring applies a predetermined limit value to the locking or unlocking of the locking
Il est visible une rondelle crantée 37, dont une face est positionnée sur la surface de verrouillage de la bague de verrouillage.There is visible a
Il est visible une bague de verrouillage 23 filetée à l'intérieur apte à être montée sur le corps de fiche 20. La bague de verrouillage 23 comporte au moins un orifice 24. L'orifice 24 s'étend selon un axe parallèle à l'axe longitudinal de la bague de verrouillage 23 débouchant sur une surface de verrouillage. Dans ce mode de réalisation, il y a deux orifices 24.It is visible a
La bague de verrouillage 23 est configurée pour verrouiller le système de verrouillage dans un sens de rotation de la bague de verrouillage 23 et déverrouiller le système de verrouillage dans l'autre sens de rotation de la bague de verrouillage 23.The locking
Sur cet exemple de réalisation, il y a deux goupilles de maintien 25 pour bloquer la position d'un élément de blocage 27. Les deux goupilles de maintien 25 sont insérées dans deux orifices 24 adjacents. Ces orifices 24 s'étendent au-delà de la surface de verrouillage.In this embodiment, there are two retaining
La bague supérieure 28 est montée sur la bague de verrouillage 23. La bague supérieure 28 coiffe la bague de verrouillage 23.The
Sur ce corps de fiche 20, la bague de verrouillage 23 filetée est montée en avant de la rondelle crantée 37.On this
La bague supérieure 28 comporte une surface de contact 42, montré à la figure suivante, apte à venir en appui sur l'autre face de la rondelle crantée 37.The
La surface de contact 42 comporte un levier 41.The
La bague de fermeture 30, l'ouverture 34 et le circlip sont décrits ci-avant.The
La bague de verrouillage 23 bouge de façon concentrique par rapport au corps de fiche 20.The locking
La bague de verrouillage 23 comporte un trou traversant, ledit trou traversant en forme de rampe 36 ayant une partie linéaire, puis une rampe montante et une rampe descendante.The locking
La bague supérieure 28 comporte un trou traversant dans lequel est positionné un ergot 35 dont l'extrémité de l'ergot 35 coopère avec le trou traversant en forme de rampe de la bague de verrouillage 23 guidant la bague supérieure 28 par rapport à la bague de verrouillage 23.The
La bague supérieure 28 comporte le levier 41 adapté pour débloquer l'élément de blocage dans le sens de rotation de la bague de verrouillage 23. Le levier 41 est un bras de forme circulaire situé à l'intérieur de la bague supérieure 28 et qui suit de la forme circulaire la bague de supérieure 28.The
L'élément de blocage 27, tel un loquet, est monté sur les deux goupilles de maintien 25 qui bloquent la position de l'élément de blocage 27. L'élément de blocage 27, appelé loquet pour la suite, comporte une partie flexible apte à venir se loger entre deux crans du corps de fiche 20. La partie est flexible grâce à l'élasticité du matériau.The locking
L'utilisation d'un loquet bloque le déverrouillage du corps de fiche 20 induit par des vibrations parasites. Le loquet est débrayé, par le levier 41 (montré à la figure suivante), manuellement par la rotation de la bague supérieure 28 venant coiffer la bague de verrouillage 23 contenant le filetage en prise avec le filetage du corps de fiche 20.The use of a latch blocks the unlocking of the
En position stable, le loquet est en appui sur les crans, ce qui bloque tout déverrouillage involontaire.In a stable position, the latch is supported on the notches, which blocks any unlocking involuntary.
Pour déverrouiller le connecteur, l'opérateur doit faire tourner d'environ 10° la bague supérieure 28 dans le sens anti-horaire.To unlock the connector, the operator must turn the
De ce fait, la partie flexible de la bague supérieure 28 (ou bras), situé en périphérie des crans, fait alors soulever le loquet. Le connecteur est ainsi débloqué. Il suffit de continuer à tourner dans le sens antihoraire pour déverrouiller le connecteur entièrement.Therefore, the flexible portion of the upper ring 28 (or arm), located at the periphery of the notches, then raises the latch. The connector is thus unlocked. Just continue to turn counterclockwise to unlock the connector completely.
Le fonctionnement du premier ressort de rampe 38 et du deuxième ressort de rampe 39 étant expliqué ci-avant.The operation of the
La
La
Les
Les
Les
Lors du vissage sur le corps de fiche 20 : dans les premiers temps, lorsque le couple de serrage n'atteint pas une valeur limite prédéterminé imposée par la norme (Cv min), la bague de verrouillage 23 et la bague supérieure 28 sont solidaires entre elles, du fait de la position de l'ergot 35 le long du profil de la rampe 36. La rotation de la bague supérieure 28 entraine la rotation du corps de fiche 20.When screwing on the plug body 20: in the early stages, when the tightening torque does not reach a predetermined limit value imposed by the standard (C min), the locking
Les
Lors du vissage sur l'embase : lorsque l'extrémité de l'embase 43 entre en contact avec corps de fiche 20. Le couple de serrage se durcit sans atteindre Cv min, la rotation de la bague supérieure 28 se désolidarise de celle de la bague de verrouillage 23. La bague de verrouillage 23 continue de se visser sur l'embase 43, le premier ressort de rampe 38 se comprime. La bague supérieure 28 recule par rapport à bague de verrouillage 23.When screwing on the base: when the end of the
Les
Lorsque bague de verrouillage 23 arrive en butée avec le corps de fiche 20, le couple de serrage se durcit pour dépasser Cv min. Alors la bague de verrouillage 23 ne tourne plus et la bague supérieure 28 continue de tourner seule, l'ergot 35 passe alors le sommet de la rampe 36 (pic du couple de serrage) faisant reculer la bague supérieure 28 au plus loin de la bague de verrouillage 23.When the locking
Les
Le couple de serrage de la bague supérieure 28 s'allège alors, jusqu'à se durcir de nouveau quand la bague de verrouillage 23 et la bague supérieure 28 sont de nouveau solidaires. L'opérateur arrête de tourner la bague supérieure 28. Le corps de fiche 20 est verrouillé avec l'embase 43. La position stable de l'ergot 35 dans le creux de la rampe 36 par la poussée du deuxième ressort de rampe 39 sur la bague supérieure 28, garantie le blocage du corps de fiche 20. Pour déverrouiller le corps de fiche 20, il faudra nécessairement une opération manuelle d'un opérateur.The tightening torque of the
Les
Pour déverrouiller, l'opérateur doit fournir un couple dans le sens inverse des aiguilles d'une montre, d'une valeur supérieure au minimum du couple de déverrouillage imposé par la norme. La bague supérieure 28 se désolidarise de la bague de verrouillage 23, l'ergot 35 redescend alors la rampe 36 suivant son profil. La bague de verrouillage 23 reste bloquée sur l'embase 43 puisque la partie flexible 31 ne se leve pas.To unlock, the operator must provide a torque in the opposite direction of the clock, a value greater than the minimum of the unlocking torque imposed by the standard. The
Les
Le levier 41 finit par arriver en butée avec la partie flexible 31. Le premier ressort de rampe 38 est alors au maximum de sa compression.The
Les
L'opérateur continue de tourner la bague supérieure 28 pour déverrouiller le corps de fiche 20. La partie flexible 31 se soulève alors. La bague supérieure 28 redevient solidaire de la bague de verrouillage 23 lorsque l'ergot 35 vient en butée dans le bas de la rampe 36. Le déverrouillage de l'embase 43 s'opère alors.The operator continues to rotate the
Les
Ces figures montrent la sensibilité visuelle au verrouillage et déverrouillage, réalisée par la coïncidence ou non de repères visuels placés en vis-à-vis entre la bague de verrouillage 23 et la bague supérieure 28. Ces repères visuels sont représentés par des ronds et possèdent des couleurs. Il existe trois cas de correspondance :
- dans le premier cas, le visuel est totalement rouge, il correspond à une fiche verrouillée de manière sécurisée ;
- dans le deuxième cas, le visuel correspond à un rond bleu entouré par une collerette rouge, il correspond à une fiche non verrouillée ;
- dans le troisième cas, le visuel est celui d'un rond vert entouré par un collerette rouge, il correspond à la phase de déverrouillage de la fiche.
- in the first case, the visual is totally red, it corresponds to a securely locked plug;
- in the second case, the visual corresponds to a blue circle surrounded by a red collar, it corresponds to an unlocked card;
- in the third case, the visual is that of a green circle surrounded by a red collar, it corresponds to the unlocking phase of the card.
Dans une variante, non représentée, la partie flexible comporte un ressort qui contraint la partie flexible à bouger en allant bloquer ou non les crans de la bague crantée 37 ou les crans du corps de fiche 20.In a variant, not shown, the flexible part comprises a spring which forces the flexible part to move by blocking or not the notches of the
- 2020
- corps de ficheplug body
- 2121
- partie filetéethreaded part
- 2222
- cransnotches
- 2323
- bague de verrouillagelocking ring
- 2424
- orificesholes
- 2525
- goupille de maintienholding pin
- 2626
- goupille de guidageguide pin
- 2727
- élément de blocageblocking element
- 2828
- bague supérieuretop ring
- 2929
- trou traversant oblongoblong through hole
- 3030
- bague de fermetureclosing ring
- 3131
- partie flexibleflexible part
- 3232
- ressort de rappelspring
- 3333
- circlip de rétentionretaining circlip
- 3434
- ouvertureopening
- 3535
- ergotlug
- 3636
- ramperamp
- 3737
- rondelle crantéenotched washer
- 3838
- premier ressort de rampefirst ramp spring
- 3939
- deuxième ressort de rampesecond ramp spring
- 4040
- cran de la partie flexiblenotch of the flexible part
- 4141
- levierthe sink
- 4242
- surface de contactcontact surface
- 4343
- embasebase
Claims (8)
- Secure locking and unlocking system comprising:- a plug body (20) of cylindrical shape, said plug body (20) comprises on the external wall a threaded portion (21)- a locking ring (23) threaded inside able to be mounted on the plug body (20), said locking ring (23) comprises at least one orifice (24), the orifice (24) extends along an axis parallel to the longitudinal axis of the locking ring (23) opening onto a locking surface, said locking ring (23) being configured to lock the locking system in one direction of rotation of the locking ring (23) and to unlock the locking system in the other direction of rotation of the locking ring (23),- a serrated washer (37), of which one face is positioned on the locking surface of the locking ring (23),- a retaining pin (25) for blocking the position of a blocking element (27) inserted into the orifice (24) extending beyond the locking surface,- a upper ring (28) mounted on the locking ring (23), the upper ring (28) comprises a contact surface (42) able to bear on the other face of the serrated washer (37), said upper ring (28) comprises a lever (41) suitable for unblocking the blocking element in the direction of rotation of the locking ring (23),- the blocking element (27), such as a latch, mounted on the retaining pin (25) blocking the position of the blocking element (27), said blocking element (27) comprises a flexible portion (31) able to be housed between two notches of the serrated washer (37),
characterised in that:- the locking ring (23) comprises a groove, said groove in the form of a ramp (36) having a linear portion, then an ascending ramp and a descending ramp,- a ramp spring (39), configured so that the movement of the locking or of the unlocking of the upper ring (28) is mobile and that the locking ring (23) is fixed, the upper ring (28) is mobile in relation to the locking ring (23),- the upper ring (28) comprises a hole wherein is positioned lug (35) of which the end of the lug (35) engages with the groove in the shape of a ramp (36) of the locking ring (23) guiding the upper ring (28) with respect to the locking ring (23). - System according to claim 1, wherein the stiffness of the ramp spring applies a predetermined limit value to the locking or unlocking of the locking ring (23).
- System according to claim 2, wherein the predetermined limit value is greater than 0.2 Nm.
- System according to claim 1, wherein the locking ring (23) comprises a first visual mark and the upper ring (28) comprises a second visual mark, when the first visual mark and the second visual mark coincide the locking system is locked.
- System according to claim 1, wherein a return spring (32) is positioned in a housing of the upper ring (28) between a guiding pin (26) and a support of the housing of the upper ring (28), said spring is positioned in a circular manner with respect to the upper ring (28).
- System according to claim 4, wherein the closing ring (30) is maintained in position by a retaining circlip (33) inside the upper ring (28).
- System according to claim 1, wherein each notch of the serrated washer (37) comprises a vertical slope for blocking the unlocking and an oblique slope for obtaining a ratchet sound at locking.
- System according to claim 1, wherein the upper ring (28) comprises an opening that allows the plug body (20) to pass.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1655043A FR3052303A1 (en) | 2016-06-02 | 2016-06-02 | LOCKING AND UNLOCKING SYSTEM |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3252878A1 EP3252878A1 (en) | 2017-12-06 |
EP3252878B1 true EP3252878B1 (en) | 2019-08-07 |
Family
ID=56684065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17174194.5A Active EP3252878B1 (en) | 2016-06-02 | 2017-06-02 | Locking and unlocking system |
Country Status (3)
Country | Link |
---|---|
US (1) | US9887494B2 (en) |
EP (1) | EP3252878B1 (en) |
FR (1) | FR3052303A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108601279A (en) * | 2018-03-28 | 2018-09-28 | 合肥凯利科技投资有限公司 | A kind of attachment device for wiring board in shield electric machine controller |
FR3091049B1 (en) * | 2018-12-19 | 2021-01-15 | Schneider Electric Ind Sas | Electrical connection point |
US10790615B2 (en) * | 2018-12-28 | 2020-09-29 | Raytheon Company | Cable quick connector adapter |
EP4199272A1 (en) * | 2021-12-17 | 2023-06-21 | Tyco Electronics UK Ltd | Electric connector with an anti-vibration mechanism |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3601764A (en) * | 1969-01-28 | 1971-08-24 | Bunker Ramo | Lock device for coupling means |
US3869186A (en) * | 1973-10-09 | 1975-03-04 | Trw Inc | Electrical connector with automatic thread locking mechanism |
US4462652A (en) * | 1981-08-03 | 1984-07-31 | The Bendix Corporation | Coupling nut for an electrical connector |
FR2586143B1 (en) * | 1985-08-12 | 1988-03-25 | Souriau & Cie | SELF-LOCKING ELECTRICAL CONNECTOR |
FR2596211B1 (en) * | 1986-03-18 | 1988-10-28 | Souriau Cie Sa | ELECTRICAL CONNECTOR WITH LOCKING AND REDUNDANT CONTROLS OF THE CORRECT COUPLING OF ITS TWO CONSTITUENT ELEMENTS |
FR2642908B1 (en) * | 1989-02-03 | 1992-09-04 | Drogo Pierre | ELECTRICAL CONNECTOR |
FR2696049B1 (en) * | 1992-09-21 | 1994-11-18 | Souriau & Cie | Electrical connector with threaded ring and preponderant locking. |
US5590228A (en) * | 1995-09-08 | 1996-12-31 | Packard Hughes Interconnect Company | Ratchet lock connector interlocking mechanism |
FR2896627B1 (en) * | 2006-01-26 | 2014-10-10 | Souriau | LOCKING DEVICE FOR CONNECTOR ASSEMBLY |
US7845963B2 (en) * | 2008-10-21 | 2010-12-07 | Itt Manufacturing Enterprises, Inc. | Axial anti-rotation coupling |
FR2956255B1 (en) * | 2010-02-05 | 2014-08-08 | Souriau | ANTI-UNLOCKING DEVICE FOR CONNECTOR |
FR2961883B1 (en) * | 2010-06-24 | 2014-01-17 | Souriau | REINFORCED LOCKING SCREW CONNECTOR |
FR2997800B1 (en) * | 2012-11-06 | 2015-01-30 | Souriau | SECURE LATCHING SYSTEM AND CONNECTOR HAVING SUCH A SYSTEM |
US9531120B2 (en) * | 2014-09-04 | 2016-12-27 | Conesys, Inc. | Circular connectors |
-
2016
- 2016-06-02 FR FR1655043A patent/FR3052303A1/en not_active Withdrawn
-
2017
- 2017-06-01 US US15/611,697 patent/US9887494B2/en active Active
- 2017-06-02 EP EP17174194.5A patent/EP3252878B1/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
US9887494B2 (en) | 2018-02-06 |
FR3052303A1 (en) | 2017-12-08 |
EP3252878A1 (en) | 2017-12-06 |
US20170352986A1 (en) | 2017-12-07 |
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