EP3934865B1 - Dispositif de connexion etanche entre deux volumes clos a securite amelioree - Google Patents

Dispositif de connexion etanche entre deux volumes clos a securite amelioree Download PDF

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Publication number
EP3934865B1
EP3934865B1 EP20717878.1A EP20717878A EP3934865B1 EP 3934865 B1 EP3934865 B1 EP 3934865B1 EP 20717878 A EP20717878 A EP 20717878A EP 3934865 B1 EP3934865 B1 EP 3934865B1
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EP
European Patent Office
Prior art keywords
door
flange
securing
cell
container
Prior art date
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Active
Application number
EP20717878.1A
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German (de)
English (en)
French (fr)
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EP3934865A1 (fr
Inventor
Julien FELIX
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Getinge Life Science France SAS
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Getinge Life Science France SAS
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Publication of EP3934865A1 publication Critical patent/EP3934865A1/fr
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/001—Locks or fastenings for special use for gas- or watertight wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/0003—Locks or fastenings for special use for locking a plurality of wings, e.g. simultaneously
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms
    • G21F7/005—Shielded passages through walls; Locks; Transferring devices between rooms
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/006—Locks or fastenings for special use for covers or panels

Definitions

  • the present invention relates to a sealed connection device between the two closed volumes offering improved connection security.
  • Such a double-door device provided with a multi-safety control is for example known from the document FR 3 010 118 .
  • Each volume is closed by a door mounted in a flange.
  • Each door is secured to its flange by a bayonet connection and the two flanges are intended to be secured to each other by a bayonet connection.
  • one of the closed volumes is formed by a container and the other volume by a glove box or a cell
  • the transfer takes place as follows.
  • the flange of the container has on its outer periphery lugs intended to cooperate with an indentation of the flange of the glove box.
  • the flange of the container is introduced into the flange of the glove box, the container is oriented so that the ears correspond with the impression.
  • the device comprises means for securing the two flanges and a control crown mounted outside the first volume closed around the flange, the control crown controlling a plate for securing the two doors and unlocking the door of the second volume , release means of the other door and the opening of the two doors allowing sealed communication between the two volumes.
  • the means for securing the two flanges and the control ring are rotatable relative to the closed volumes and by their rotation ensure all the steps required to obtain a sealed connection and this without causing one of the closed volumes to pivot. No rotation of the second closed volume is required.
  • Seals are provided between the container and the cell.
  • the inventors detected that these seals exerted a spring effect between the doors of the container and of the cell, which tended to cause the securing plate to pivot and could cause the device to malfunction.
  • the object of the present invention is achieved by a sealed connection device between a first and a second closed volume, each closed volume comprising an opening bordered by a flange and closed by a door, the door of the second closed volume being mounted in a sealed manner in a flange by a bayonet connection, the device comprising means for joining the two flanges and a control ring mounted outside the first volume closed around the flange, the control ring controlling means for joining the two doors and unlocking the door of the second volume, means for releasing the other door and the opening of the two doors allowing sealed communication between the two volumes.
  • the means for securing the two flanges and the control ring are rotatable relative to the closed volumes and, by their rotation, ensure all the steps required to obtain a watertight connection and this without rotating one of the enclosed volumes.
  • the device comprises means for immobilizing in position the means for securing the two doors in a state of secured doors or in a state of unsecured doors.
  • the immobilization means comprise a securing plate.
  • the immobilization means then provide angular maintenance of the plate in at least two given controlled states, a state of securing the doors and a state of not securing the doors.
  • the immobilization means comprise a cam cooperating with a cam path having two ramps at each of the angular locking positions, making it possible to assist the operator at the end of travel.
  • the profile of the ramps can be chosen to offer a specific rendering to the operator in the case where the connection device is actuated manually, for example by means of a crank.
  • the immobilizing means comprise a cam and a cam follower, the cam being fixed on the first door and the cam follower being fixed on the fastening plate or vice versa.
  • the cam follower is fixed on one face of the fastening plate facing the first door.
  • the cam comprises a cam track extending substantially along an arc of a circle and comprising at a first angular end, a first housing and at a second angular end a second housing, to house and immobilize the cam follower in one of the first and second positions, and at least a first ramp in extension of the first housing in the direction of the second housing , and a second ramp extending from the second housing towards the first housing.
  • the cam path includes a track with a constant radius connecting the first ramp and the second ramp.
  • the cam follower may comprise a plate carrying a roller intended to circulate on the cam path and a fixed support relative to which the plate is configured to slide.
  • the first means advantageously comprise a securing ring mounted so as to be able to rotate with respect to the first flange around the longitudinal axis and comprise bayonet connection means for immobilizing the second flange with respect to the first flange.
  • a first part of the rotational movement of the securing plate secures the first door and the second door and a second part of the rotational movement of the securing plate unlocks the second door with respect to the second flange.
  • the second means comprise at least one pinion meshing with a toothed actuating sector carried by the control crown, a rotational movement of the control crown causing a rotation of the fastening plate.
  • the second means may advantageously comprise a gear train coupled to the securing plate to set it in rotation, said gear train being driven by said pinion.
  • the second means may comprise a spur gear meshing the first toothed sector and a bevel gear.
  • the assembly advantageously comprises means for locking the first door and the second door to each other when they are separated from the first and second flanges.
  • the locking means comprise a finger movably mounted in the securing plate, said finger being capable of being retracted into the securing plate when the second door is placed against the first door and capable of protruding from the securing disc when the securing disc secures the first and the second gate, the finger blocking with a stop the rotation of the second gate relative to the first gate.
  • the finger comprises a roller and the locking means comprise a cam carried by an outer face of the first door ensuring the return to the retracted position of the finger in the securing disc in the phase of separation of the first and second closed volumes.
  • the first actuator device also forms the second actuation device, and comprises for example a crank disposed outside the first closed volume.
  • the first door is articulated with respect to the first flange around a hinge with an axis orthogonal to the longitudinal axis and the fourth means comprise at least one pinion meshing with another toothed sector for actuating the crown control, said pinion being coupled to said hinge, the rotational movement of the control crown causing rotation of the first door around the hinge.
  • the control crown may include a toothed drive sector with a pinion of the second actuation means.
  • upstream and downstream are considered in the sense of installation of the container in the connection device.
  • the two closed volumes which it is desired to connect with the aid of a sealed connection device with a double door provided with the control mechanism according to the invention correspond respectively to a cell of containment 10 and a container 12. It will however be understood that the invention is also applicable in the case where the closed volumes are for example a glove box for one and a container or two glove boxes for the other.
  • FIG 12 one can see a schematic representation of the cell 10 and the container 12 in a connected state and in a disconnected state.
  • the cell 10 is delimited by a wall 14 of which only a part is visible on the figure 12 . It is equipped, in a conventional manner, with remote manipulation means such as telemanipulators and/or gloves (not shown) integral with the wall 14.
  • the container 12 is also delimited by a wall 16, as illustrated in particular by the figure 12 .
  • the cell comprises a cell flange 18 mounted in a leaktight manner in a wall 14 of the cell and delimiting an opening 20 closed in a leaktight manner by a removable door 22, called the cell door or door.
  • the container comprises a tank 24 and a container flange 26 sealed off by a removable door 28.
  • the door of container 28 will be designated “container lid” or “lid” to clearly distinguish it from the cell door.
  • the tank 24, the container flange 26 and the cover 28 define a sealed volume.
  • the lid 28 is secured to the container flange by a bayonet connection 29.
  • the sealed connection device comprises the cell flange 18, the container flange 26, the cell door 22 and the container cover 28.
  • the cell door 22 is hinged to the cell flange 18 by a hinge 30 of axis Y orthogonal to the longitudinal axis X.
  • the axial direction corresponds to the axis of the cell flange 18 and of the door 22, and as well as that of the container flange 26 and of the cover 28 when these are secured to the cell.
  • the axial direction is represented by the X axis which is the axis of the connection device.
  • connection device is mounted on the cell wall around the opening 20.
  • the connection device is movable relative to the cell wall 14.
  • connection device comprises first securing means A of the container flange 26 on the cell flange 18.
  • the container flange 26 has four lugs 32 arranged at 90° to each other projecting radially outward from the container flange 26.
  • the container flange 26 could have two lugs, three lugs or more than four ears, furthermore the angular arrangement is not limiting.
  • the first means A comprise a fastening ring 100 mounted coaxial with the cell flange 18 on the outer face of the latter and capable of pivoting with respect to it around the longitudinal axis X.
  • the fastening ring 100 comprises four cavities 102 each intended to receive a lug 32 of the container flange 26.
  • the rotation of the fastening ring 100 in the counterclockwise direction ensures fastening by bayonet connection between the flange of container 26 and the securing ring 100 and therefore between the container flange 26 and the cell flange 18.
  • the cavities 102 have a first part extending axially 102.1 allowing the insertion and removal of the lugs 32 in an axial direction and a second part 102.2 extending laterally with respect to the axial part in a downstream zone.
  • the second part 102.2 receives the lugs 32 when the fastening ring 100 has pivoted, ensuring axial retention of the lugs 32 and therefore of the container flange 26 with respect to the cell flange 18.
  • the securing ring 100 is rotatably mounted on the cell flange 18 by means of four rollers 106. It will be understood that the number of rollers is not limiting.
  • sensors are provided to know the different states of the system: door closed, door open, door being opened or being closed, etc., for example by detecting the movement and/or the position of the connection, more particularly in a motorized embodiment and in an embodiment in which the operator would not be able to visually identify the state in which the system is located.
  • the control mechanism comprises a device 108 for actuating the fastening ring 100 in rotation around the longitudinal axis X.
  • the actuating device 108 is advantageously arranged outside the cell so that it can be activated by the operator from the outside.
  • this actuation device 108 comprises a crank 110. Any other mechanical actuation device is possible.
  • the motorized means could then be located inside the cell.
  • the securing ring 100 comprises a radially outer toothed sector 112 which is meshed by a pinion 114 of the actuation device 108.
  • This actuation device is simple and robust. Other means for transmitting the movement between the actuating means and the fastening ring could be provided.
  • the sealed connection device comprises a system for axially holding the container against the wall of the cell.
  • this holding system comprises at least one snap-fit axial holding device 34 intended to hold the container flange 26 axially with respect to the cell flange 18, as shown in the diagrams. figures 1 to 4E And 5 .
  • This holding device hereinafter referred to as a snap device, is intended to be implemented prior to the joining of the two flanges 18, 26 by the joining ring 100.
  • the device is particularly advantageous for ensuring the holding of the container on the wall 14 of the cell when the container is intended to be positioned horizontally for example for transfer.
  • This snap-fastening device then makes assembly of the container on the cell easier for the operator since he is no longer required to maintain, for example, the container at arm's length until the container flange 26 is secured to the cell flange 18 by the fastening ring 100.
  • connection device comprises a snap device at two diametrically opposite lugs 32 of the container flange 26.
  • the snap devices 34 are located diametrically opposite on the cell flange 18.
  • the snap-fastening device 34 comprises a base 36 fixed to the cell flange 18 at the periphery of the opening 20, an actuating rod 38 articulated in rotation on the base 36 around an axis Y1 perpendicular to the axial direction and to the diametrical direction of the cell flange 18.
  • the latching device 34 also comprises a locking link 40 hinged in rotation on the base 36 about an axis Y2 parallel to the axis Y1, and a return means 42 of the locking link 40 towards an unlocked position.
  • the return means 42 is fixed to the base and to the locking rod 40.
  • the actuating rod 38 and the locking rod 40 are in contact by one of their ends 38.1, 40.1 respectively, so that a pivoting of the actuating rod 38 in the clockwise direction causes a rotation of the rod lock 40 clockwise.
  • the ends 38.2, 40.2 of the rods are located on the side of the opening 20.
  • the snap-fastening device 34 also comprises locking means for locking the locking rod 40 in a locked state.
  • the locking means comprise a finger 44 articulated in rotation on the base 36 about an axis perpendicular to the axes Y1 and Y2 so that one end of the finger 44 can approach and move away from the locking link 40.
  • An elastic return means such as a spring (not visible) pushes the finger 44 in the direction of the link.
  • the finger 44 can be formed of a blade which deforms elastically in bending and integrating the elastic return means.
  • a lug 32 of the container flange 26 is approached in the direction of the arrow F towards the snap-fastening device, until it comes to bear by a first transverse face against the actuating rod 38.
  • the actuating link 38 pivots around its axis Y1 clockwise, causing the rotation in the clockwise direction of the locking link 40 around its axis Y2.
  • the locking rod 40 then comes to bear by its other end 40.2 against a second transverse face 32.2 of the lug 32 opposite the first transverse face 32.1.
  • the lug 32 is then held axially against the cell flange 18.
  • the pivoting of the locking rod 40 in the clockwise direction is such that the finger 44 passes over the end 40.2 of the locking rod 40 locking it bearing against the lug 32.
  • the finger 44 is pivoted so as to move it away from the end 40.2 of the locking link 40 in order to release the latter. This release takes place when it is desired to separate the container from the cell flange.
  • the pivoting of the finger 44 can be obtained by means of an actuator (not shown) or a slight rotation of the container.
  • FIG. 14A to 14F Another particularly advantageous embodiment of a snap-fastening device 34' is shown, this differs from the device 34 in that it implements a locking cam, which reduces the number of moving parts, increasing the reliability of the device and simplifying its manufacture.
  • the snap-fastening device 34' comprises a base 36' fixed to the cell flange 18 at the periphery of the opening 20, a locking cam 40' articulated in rotation on the base 36' around an axis Y2' perpendicular to the axial direction and the diametral direction of the flange 18, and a return means 42' of the locking cam 40' towards an unlocked position.
  • the return means 42' is fixed to the base and to the locking cam 40'.
  • the locking cam comprises, on a face oriented towards the longitudinal axis of the device, a downstream zone 40.1' in the direction of insertion of the flange in the latching means forming an actuation zone and an upstream zone 40.2' forming a stop.
  • the actuation zone 40.1' forms a cam surface projecting towards the inside of the device in the unlocked position so that when the flange of the container is brought closer to the latching means, one of its lugs 32 comes into contact with the cam surface 40.1' causing it to pivot and arranging the abutment zone 40.2' opposite the rear face of the ear, preferably in contact with the latter, preventing removal of the ear.
  • the ratchet device 34' also comprises locking means for blocking the locking cam 40' in a locked state.
  • the locking means comprise a finger 44' articulated in rotation on the base 36' around an axis perpendicular to the axis Y2' so that one end of the finger 44' can approach and move away from the cam lock 40'.
  • An elastic return means such as a spring (not visible) pushes the finger 44' in the direction of the cam 40'.
  • the finger 44' can be formed from a blade which deforms elastically in bending and integrating the elastic return means.
  • the operation of the snap-in device is as follows and is shown in the figures 14C and 14F .
  • a lug 32 of the container flange 26 is approached in the direction of the arrow F towards the snap-fastening means, until it comes to bear by a first transverse face against the cam surface 40.1'.
  • the locking cam 40' pivots around its axis Y2' in the clockwise direction.
  • the abutment zone 40.2' of the locking cam 40' then comes to bear against a rear face of the lug 32.
  • the lug 32 is then held axially against the cell flange 18.
  • the pivoting of the cam 40' in the clockwise direction is such that the finger 44' passes over the abutment zone 40.2' locking it in contact with the lug 32.
  • the finger 44' In order to release the locking cam 40', the finger 44' is away from the stop zone. This release takes place when it is desired to separate the container from the cell flange.
  • the pivoting of the finger 44' can be obtained by means of an actuator (not shown) or by a slight rotation of the container.
  • two snap-fastening axial holding devices are provided.
  • a single snap-fastening axial holding device can be provided and instead of the second snap-fastening device, a base comprising a groove in the shape of an arc of a circle opening radially towards the longitudinal axis X capable of accommodate a lug 32 and maintain it axially.
  • a base comprising a groove in the shape of an arc of a circle opening radially towards the longitudinal axis X capable of accommodate a lug 32 and maintain it axially.
  • One lug is then engaged in the groove, ensuring its axial retention, then the other lug 32 is engaged in the snap-in device.
  • the axial holding system could implement magnetic means, the cell flange 18 and the container flange 26 would then be held by magnetization.
  • the snap-fit axial retaining device is located in the lower zone of the cell flange and the base provided with the groove is located in the upper zone of the cell flange. cell.
  • the snap-in device or devices cooperate with the securing ring 100.
  • the snap-in devices are located downstream of two radially opposite cavities of the fastening ring 100, in the direction of insertion of the lugs 32 into the fastening ring 100.
  • the end 40.2 of the locking rod 40 is located in the upper zone of the first part 102.1 of the window 102 when no container is in place and enters a notch 102.3 made in the first part 102.
  • the locking rods 40 then also ensure rotational locking of the fastening ring 100 in the absence of a container. Thus any manipulation of the crown 100 in the absence of the container is avoided.
  • the container flange 26 is held axially by the snap-fastening device(s) 34 and then the cell flange 18 and the container flange 26 are secured by the securing ring 100.
  • Snap-fastening holding devices are very advantageous in particular when the cell wall is in a vertical or inclined plane, so when the container is held by the means 34, the operator can easily actuate the first means A.
  • the sealed connection device also comprises second means B intended to secure the container lid 28 and the cell door 22 and to unlock the lid.
  • connection device also comprises third means C for releasing the cell door from the cell flange, and fourth means D for releasing the passage between the interior of the container and the interior of the cell.
  • the sealed connection device advantageously has a common system for actuating the second and third means.
  • the common actuation system is formed by a control ring 48 rotatably mounted on the cell flange 18 around the axial direction and arranged outside the cell in the example shown.
  • the control crown 48 is a toothed crown whose teeth are oriented radially outward from the control crown 48.
  • the common actuation system comprises an actuation device intended to set the control ring 48 around the longitudinal axis X.
  • the actuating device is formed by the actuating device 108 of the securing ring 100, which makes it possible to simplify the structure and reduce its cost of come back. Alternatively, a separate actuator may be provided.
  • the ring gear 48 This is mounted upstream of the securing ring 100 in the direction of installation of the container and has an inside diameter greater than the outside diameter of the securing ring 100 to allow penetration of the container flange 26 in the fastening ring 100.
  • the control ring 48 comprises a drive toothing 48.1 meshed by the pinion 52 which ensures its rotation and toothed sectors intended to actuate the various means of the connection device.
  • the toothed sector 48.1 extends over only part of the periphery of the control crown 48, the angle over which the drive sector extends is determined to allow the actuation of the various means B, C, D.
  • a drive sector could cover the entire periphery of the control ring 100.
  • control crown 48 is advantageously held axially and radially by rollers 54 which allow the rotation of the toothed crown 48 around the axial direction while limiting friction.
  • the second means B, third C and fourth D are arranged on the periphery of the toothed crown 48 and are actuated successively by rotating the crown.
  • the second securing means B of the cell door 22 and of the container cover 28 comprise an inter-door securing plate designated 80.
  • the inter-door securing plate 80 is rotatably mounted on the cell door 22.
  • the locking of the cell door 22 and of the container cover 28 is obtained by a bayonet connection.
  • the securing plate 80 has four lugs 82 projecting radially outwards and the cover 28 has a hollow indentation provided with four radially outer notches to receive the lugs of the securing plate 80 and a peripheral groove connecting the notches.
  • a relative rotation of the fastening plate 80 and the cover 28 ensures at least partial masking of the ears of the fastening plate 80 forming an axial stop for the ears 82 and an axial fastening of the fastening plate and the cover 28.
  • the securing plate 80 is set in rotation by the actuation of the control crown 48.
  • the second means B more particularly visible on the Figure 13A , comprise a pinion 62 with straight teeth meshed by a first toothed sector 48.2 for actuation of the control crown 48, a bevel pinion 64 integral in rotation with the pinion 62. In the example shown, they are located at the two ends of the same axis.
  • the bevel pinion 64 meshes with a bevel pinion 65 which forms the input to a chain of gears, the gears being designated 66, 68, 70, 72, 74, 76, 77.
  • the pinion 77 meshes with a sector tooth or rack 78 integral in rotation with the inter-door securing plate 80 as can be seen in the figure 10 .
  • the assembly formed by the sprockets 62, 64 and the gear chain makes it possible to reduce the rotational torque of the handle and facilitate handling by the operator.
  • the chain of gears makes it possible to put in rotation the fixing plate 80.
  • the chain of gear is received in a cowling 81 also visible on the Figures 6A, 6B , 7A , 8A And 10 , ensuring the watertight passage between the outside and the inside of the cell.
  • the cowling comprises three parts 81.1, 81.2, 81.3 hinged relative to each other in a sealed manner by means of seals 69.
  • Parts 81.1 and 81.3, designated blocks, are identical.
  • the part 81.2 placed between the parts 81.1 and 81.3 is called "arm".
  • Block 81.1 receives part of the gear chain controlling the inter-door plate 80.
  • Block 81.3 receives opening means D.
  • the block 81.1 comprises a sleeve 81.11 surrounding the shaft connecting the pinions 62 and 64.
  • Block 81.3 also includes sleeve 81.31 ( Figure 13B ).
  • the arm 81.2 surrounds the axis connecting the pinions 76 and 77.
  • the sleeves 81.11 and 81.21 pass through the cell flange and the door 22 in a sealed manner respectively, static seals are interposed between the sleeves 81.11, 81.31 and the cell flange 18 and between sleeve 81.21 and cell door 22.
  • the cowling comprises only one block and one arm, the opening means D then being combined with the securing means B in this case, provision can be made for the block to be made in a single piece with the flange, which makes it possible not to have to resort to seals to achieve sealing between the block and the flange.
  • the gear chain has two larger pins 67, 73 between gears 65 and 66 and between gears 72 and 74 respectively.
  • these axes with their gears could be replaced by sprockets with chains or by pulleys with a system of belts or chains.
  • a first phase of the rotation of the inter-door securing plate 80 ensures the axial locking of the door 22 and the lid 28 and a second phase of rotation of the securing plate 80 rotates the lid 28 relative to the container flange 26 and ensures unlocking of the cover 28 relative to the container flange 26.
  • the mechanism comprises locking means 118 preventing the separation of the cell door 22 and the cover 28 when the passage between the interior of the container and the interior of the cell is open, i.e. when the assembly door and cover is in the position detached from the cell and container flanges.
  • the means 118 are visible on the Figure 6A and cut on the Figs. 7C , 8C And 9C .
  • THE Figs. 7C , 8C And 9C represent a view in longitudinal section passing through the means 118, but these means carried by the plate 80 rotate around the axis during the connection and disconnection phases, with respect to the container door 28 and the cell door 22. Therefore the Figs. 7C , 8C And 9C show rotated views of the container door and the cell door during the different phases.
  • the locking means 118 are arranged between the upstream face of the cell door and the downstream face of the plate 80.
  • the locking means 118 comprise a finger 120 projecting radially from the plate 80 in a zone between two lugs of the plate 80.
  • the finger 120 is capable of being retracted axially inside the plate 80.
  • An elastic means 122 for example a coil spring in the example shown, returns the finger 120 to the outside of the plate 80 in the upstream direction. Finger 120 is visible on the picture 2 .
  • the locking means 118 also comprise a roller support 124, carrying the finger 120, which is arranged between the door 22 and the plate 80 and a roller 126 able to roll around an axis perpendicular to the longitudinal axis X.
  • the locking means 118 also comprise a frame 128 fixed to the plate 80 which carries an axis 130 parallel to the longitudinal axis X on which is mounted able to slide the roller support 124.
  • the spring 122 is mounted in compression between the support roller 124 and the frame 128 around the axis 130.
  • the locking means 118 also comprise a cam 132 formed by a ramp fixed to the cell door, the cam 132 having the shape of an arc of a circle centered on the longitudinal axis X.
  • the operation of the locking means 118 is as follows. In the unlocked state, ie in the absence of the container door, the finger 120 protrudes radially from the securing plate ( Fig. 7C ). The roller 126 is in the depressed position recalled by the spring 122, it is not visible on the Fig. 7C .
  • the lugs of the container cover 28 are placed between the lugs 82 of the fastening plate 80, one of them comes into contact with the finger 120 and due to the axial displacement of the container pushes the finger 120 which penetrates into the plate 80 against the restoring force of the spring 122.
  • the roller 126 is released from the cam 132 ( Fig. 8C ).
  • a new rotation of the ring gear 48 causes rotation of the plate, the roller 126 is also driven in rotation and rolls on the cam 132 until the roller 126 is positioned in the lower part of the cam 132 ( figure 6B ).
  • the finger 120 has then pivoted sufficiently to no longer face the lug of the container lid 28. However, due to the restoring force of the spring 122, the finger is pushed outwards from the plate 80 and forms a stop in rotation for the ear which is therefore blocked by the finger 120 ( figure 9C ).
  • the device also comprises means 134 for immobilizing the securing means B in a first position in the absence of the door of the container and in a second position in the presence of the door 28 of the container which is locked by the finger 120.
  • the immobilization means 134 are carried by the securing plate 80 and the door 22 of the cell.
  • the immobilization means 134 are located partly on a face of the plate 80 opposite the face intended to face the door 28 of the container. So they are protected.
  • the immobilization means 134 comprise a cam 136 carried by the door 22 and a cam follower 138 carried by the securing plate 80.
  • the cam 136 has the shape of an arc of a circle and extends angularly between a first angular end defining a first immobilization position Pos1 in which the securing plate 80 is maintained in the absence of the door 28 of the container and a second angular position Pos5, in which the fastening plate 80 is maintained in the presence of the container door 28 and ensures the maintenance of the fastening of the two doors 22, 28.
  • a cam path CH extends between the two angular positions Pos1 and Pos5.
  • the cam follower 138 extends radially and comprises a roller 140 held in abutment against the cam track CH by an elastic means 142, for example a helical spring in the example shown.
  • the cam follower comprises a support 144 fixed on the plate 80, a plate 146 carrying the roller 140 which is rotatable about an axis parallel to the axis X.
  • the spring 142 is mounted in reaction between the support 144 and the plate 146.
  • the plate 146 and the roller 140 are movable along the radial direction to allow the roller 140 to follow the profile of the cam track CH.
  • two pins 150 are mounted in two parallel passages passing through the support 144 and are fitted at their free end in the plate 146.
  • the two pins are able to slide in the support 144 and form sliding guides for the platinum 146.
  • Advantageously bearings 154 are mounted in the passages 152 to facilitate the sliding of the axes 150.
  • the support 144 also includes a cavity 156 intended to receive one end of the spring 142.
  • the cavity 156 is formed by a through passage 158 closed by a screw 160, facilitating the assembly of the spring 142.
  • cavity 156 could be integral with support 144, spring 142 would then be mounted by the open end of cavity 156 opposite plate 146.
  • the other end of the spring 142 is received in a cavity 162 of the plate 146.
  • the cam track CH has several portions between the positions Pos1 and Pos5.
  • the cam track CH comprises a first and a second housing 164, 166 at each of the ends of the track, intended to accommodate the roller 140 (shown in dotted lines) of the cam follower, and ensuring the immobilization of the plate 80 at its two extreme positions.
  • the housings 164 and 166 have different shapes advantageously allowing the mechanical clearances of the rotations of the container to be accepted.
  • the housings 164 and 166 are identical.
  • the cam track CH comprises a track 170 with a constant radius and a first ramp R1 connecting the track 170 to the first housing 164, and a second ramp R2 connecting the track 170 to the second housing 166.
  • the slopes of the ramps R1 and R2 condition at least in part the force required to get the roller 140 out of the housings 164, 166.
  • the ramps offer assistance when the roller approaches one or the other of the positions Pos1 and Pos5.
  • the values of the slopes are used to adjust the assistance.
  • the ramp path can have very different profiles. It may not be symmetrical, for example the slopes of ramps R1 and R2 may be different.
  • the ramp or ramps may include one or more successive slopes to create progressive renderings.
  • the cam track not comprising a track with a constant radius but only ramps.
  • connection device In the absence of a container, the connection device is in the state represented on the figures 7A to 7C .
  • the cam follower 138 is in the position designated Pos1 on the figure 15 , the roller 140 is housed in the housing 164 and the plate 80 is immobilized angularly.
  • the securing plate 80 is pivoted, which causes the simultaneous rotation of the roller 126 on the ramp 132, and of the roller 140 of the cam follower 138 on the cam 136, which comes out of the housing 164, circulates on the ramp R1 (Pos2) then on the track (Pos3 and Pos4) ( figure 8A , 8B And 8C ).
  • the angle between the Pos1 and Pos2 positions depends on the construction of the platter, in particular the angular extension of the cam 136.
  • cam follower 138 and roller 126 are diametrically opposed.
  • cam follower 138 and roller 126, and more generally the securing means 134 and the locking means 118 are arranged relative to each other at an angle of less than 180°.
  • cam 136 is carried by the securing plate 80 and the cam follower 138 is carried by the door 22 of the enclosure.
  • the third means C for keeping the cell door closed against the cell flange 18 are visible for example on the figure 6B in the closed position and on the figure 10 in the open position.
  • the door 22 is locked in the closed position on the cell flange 18 by means of a locking cam 84 which is fixed on the interior face of the cell door 22 and a locking roller 86.
  • the locking roller 86 is rotatably mounted on the cell flange 18 about an axis parallel to the axial direction X between a locking position in which the locking roller 86 is in contact with the locking cam 84 and locks the door in the closed position against the cell flange 18, and an unlocking position, in which the locking roller 86 is moved away from the locking cam, and allows disengagement of the cell door 22 from the cell flange 18.
  • the locking roller 86 is carried by a roller carrier, one axial end of which comprises an actuating roller 88 which cooperates with a radial cam surface 48.3 of the toothed wheel 48 ( Figure 6A ).
  • the locking roller holder could comprise a pinion meshing with a toothed sector of the toothed wheel.
  • the locking cam 84 cooperates with safety means mounted on the interior face of the door in order to detect the locked position of the cam 84.
  • the fourth means D for opening the door 22 and the cover 28 and thus allow sealed transfer between the container and the cell, are visible on the figures 6A And 11 .
  • the opening means D rotate the cell door 22 and the lid 28 secured to each other by the securing plate 80 around the hinge 30.
  • the means D comprise a first straight tooth pinion 90 meshing a second toothed sector (not visible) of the crown toothed 48 a bevel pinion 92 integral in rotation with the pinion 90. In the example shown, they are located at both ends of the same axis.
  • the bevel pinion 92 meshes with a bevel pinion 94 coaxial with the axis of the hinge 30 and integral in rotation with the latter.
  • the ring gear 48 by driving the pinion 90, causes a rotation of the bevel gear 94 which drives the cell door 22 in rotation around its hinge 30 and allows the transfer between the interior of the container and the interior of the cell. .
  • Gaskets are provided between the lid and the container flange, between the cell door and the cell flange and between the external faces of the cell door and the lid so as to ensure a tight contact between the door 22 and the lid. 28 and ensure containment of these faces which are in contact with the external environment when they are not in contact.
  • the ring gear 48 is made up of several angular actuation sectors, each controlling separate means. Depending on the angle of rotation of the ring gear, a pinion is meshed by the ring gear driving given means. The means are not actuated simultaneously but successively and in an order given by the arrangement of the angular sectors in a given direction of rotation.
  • the toothed actuating sectors are arranged in separate planes perpendicular to the longitudinal axis X, which are separate from the plane containing the toothed drive sector.
  • the container flange 26, in which the cover 28 is arranged, is introduced into the fastening ring 100, the lugs 32 of the container flange 26 enter the cavities 104. One of the lugs pushes the finger 120. In addition , two diametrically opposed lugs 32 come into contact with the actuating rods 38, cause their pivoting in the clockwise direction and the pivoting of the locking rods 40. The finger 44 blocks the locking rods 40 in position. The container flange 26 is then held against the wall 14 of the cell. The operator can let go of the container.
  • the container flange 26 is then secured to the cell flange 18.
  • the lid In this position, the lid cannot be separated from the door due to the presence of the finger 120.
  • the movement of an ear of the lid 28 is limited by the finger 120 and a stop 135, formed by a pin fixed in the plate 80. In the example shown, four stops 135 are distributed over the plate 80.
  • the cover 28 therefore cannot pivot sufficiently with respect to the door 22 to separate them.
  • the retraction of the finger 120 is only possible by setting the securing plate 80 in rotation in the opposite direction, but this rotation in the opposite direction is only possible after closing the access between the two volumes. Therefore, the separation of the cover and the door is prevented when the passage between the cell and the container is open. Thus there is no risk of pollution of the interior of one or the other of the volumes by the external faces of the cell and of the container.
  • connection device allows a connection between a container and a safe cell by avoiding any malfunction due to the seals between the door of the container and the door of the cell.
  • connection device allows connection without rotation of the container, which simplifies the operations for the operator and makes it possible to handle fragile objects contained in the container.
  • connection device can offer greater ease of cleaning since it can comprise no element inside the cell.
  • the whole mechanism is outside the cell.
  • the external control offers greater maneuverability for the operator.
  • connection device also makes it possible to improve the closing/opening rates per day, allowing a gain in productivity, all the transfer steps being done by manipulation of the external crank or by activation of the motor.
  • the securing crown 100 is rotated via the toothed crown 48, the toothed crown would then be the single control member for all the steps.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Closures For Containers (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Lock And Its Accessories (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Grates (AREA)
  • Burglar Alarm Systems (AREA)
EP20717878.1A 2019-04-16 2020-04-10 Dispositif de connexion etanche entre deux volumes clos a securite amelioree Active EP3934865B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1904029A FR3095292B1 (fr) 2019-04-16 2019-04-16 Dispositif de connexion etanche entre deux volumes clos a securite amelioree
PCT/EP2020/060325 WO2020212283A1 (fr) 2019-04-16 2020-04-10 Dispositif de connexion etanche entre deux volumes clos a securite amelioree

Publications (2)

Publication Number Publication Date
EP3934865A1 EP3934865A1 (fr) 2022-01-12
EP3934865B1 true EP3934865B1 (fr) 2023-07-19

Family

ID=68501652

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20717878.1A Active EP3934865B1 (fr) 2019-04-16 2020-04-10 Dispositif de connexion etanche entre deux volumes clos a securite amelioree

Country Status (12)

Country Link
US (1) US20220178172A1 (zh)
EP (1) EP3934865B1 (zh)
JP (1) JP7478750B2 (zh)
CN (1) CN113891788A (zh)
AU (1) AU2020257963A1 (zh)
BR (1) BR112021019995A2 (zh)
DK (1) DK3934865T3 (zh)
ES (1) ES2964111T3 (zh)
FR (1) FR3095292B1 (zh)
TW (1) TW202103881A (zh)
WO (1) WO2020212283A1 (zh)
ZA (1) ZA202107833B (zh)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2978362B1 (fr) * 2011-07-29 2013-09-13 Sartorius Stedim Aseptics Dispositif de jonction etanche pour le transfert aseptique d'un produit biopharmaceutique entre une enceinte et un conteneur.
FR2980831B1 (fr) 2011-09-30 2015-06-26 Getinge La Calhene Mecanisme de commande d'un dispositif de connexion etanche entre deux volumes clos a manipulation simplifiee
FR3010118B1 (fr) * 2013-09-03 2016-02-26 Getinge La Calhene Enceinte etanche comportant un mecanisme de commande d'ouverture et de fermeture pour un dispositif de connexion etanche entre deux volumes clos
FR3010119A1 (fr) * 2013-09-03 2015-03-06 Getinge La Calhene Dispositif de connexion etanche a securite de fonctionnement amelioree
FR3010120B1 (fr) * 2013-09-03 2016-03-04 Getinge La Calhene Dispositif de connexion etanche entre deux volumes clos comportant des moyens de maintien prealablement a la connexion
FR3033077B1 (fr) * 2015-02-19 2017-03-24 Charles Glachet Dispositif de transfert entre un conteneur et une cellule et procede de mise en oeuvre
CN206405664U (zh) * 2017-01-12 2017-08-15 天津市锦程伟业人防设备有限公司 环形变位工装
CN208017961U (zh) * 2017-12-31 2018-10-30 福建省双龙消防科技有限公司 车载消防应急包
FR3108355B1 (fr) * 2020-03-23 2022-06-03 Getinge La Calhene Sous-ensemble pour système de transfert a double porte de fabrication simplifiée

Also Published As

Publication number Publication date
AU2020257963A1 (en) 2021-11-04
ZA202107833B (en) 2022-08-31
JP2022528942A (ja) 2022-06-16
CN113891788A (zh) 2022-01-04
TW202103881A (zh) 2021-02-01
FR3095292A1 (fr) 2020-10-23
FR3095292B1 (fr) 2021-05-14
ES2964111T3 (es) 2024-04-04
BR112021019995A2 (pt) 2021-12-07
JP7478750B2 (ja) 2024-05-07
DK3934865T3 (da) 2023-10-23
EP3934865A1 (fr) 2022-01-12
US20220178172A1 (en) 2022-06-09
WO2020212283A1 (fr) 2020-10-22

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