WO2015097388A1 - Device for securing an elongate element - Google Patents

Device for securing an elongate element Download PDF

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Publication number
WO2015097388A1
WO2015097388A1 PCT/FR2014/053477 FR2014053477W WO2015097388A1 WO 2015097388 A1 WO2015097388 A1 WO 2015097388A1 FR 2014053477 W FR2014053477 W FR 2014053477W WO 2015097388 A1 WO2015097388 A1 WO 2015097388A1
Authority
WO
WIPO (PCT)
Prior art keywords
ball
clamping
wall
fixing
elongated element
Prior art date
Application number
PCT/FR2014/053477
Other languages
French (fr)
Inventor
Vincent De Rudnicki
Original Assignee
Institut National De Recherche En Sciences Et Technologies Pour L'environnement Et L'agriculture (Irstea)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institut National De Recherche En Sciences Et Technologies Pour L'environnement Et L'agriculture (Irstea) filed Critical Institut National De Recherche En Sciences Et Technologies Pour L'environnement Et L'agriculture (Irstea)
Publication of WO2015097388A1 publication Critical patent/WO2015097388A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0614—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part of the joint being open on two sides
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/16—Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L5/00—Devices for use where pipes, cables or protective tubing pass through walls or partitions
    • F16L5/02—Sealing
    • F16L5/025—Sealing the pipe being movable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/12—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction
    • F16M11/14—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting in more than one direction with ball-joint
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/56—Accessories
    • G03B17/561—Support related camera accessories

Definitions

  • the present invention relates to a device for fixing an elongated element, in particular but not necessarily an elongated cylindrical element.
  • sensors on a support for example at the interface between two media separated by a partition traversed by the elongated element. It may be, for example, a liquid level sensor to be fixed on the wall of a tank.
  • an elongated element such as a rod, a pipe, a pipe or a flexible or rigid conduit must be immobilized at a certain orientation angle with respect to a given plane, for example with respect to the plane of a surface of a support.
  • the elongate support is cylindrical so that it has a symmetry of rotation about its longitudinal axis, it may still be necessary to adjust and freeze the angular position of this element, with regard to its ability to rotate around its longitudinal axis.
  • the invention applies when the elongated element has at least two of the three degrees of freedom mentioned above to which three independent settings correspond.
  • GB 410166 discloses a level measuring device in a container, comprising a rod connected to a float and passing through closure means, themselves in connection with a socket.
  • the rod passes through a capillary also passing through the closure means and a ball joint located between the closure means and the socket.
  • the ball joint allows slight angular movements of the capillary in all directions, the diameter of the capillary being slightly less than the diameter of the light through which it passes through the closing means and the grip.
  • this system does not provide locking means in translation of the capillary through the closing means and the plug.
  • EP 0445088 further discloses a pivotal attachment means for attaching an object to a support surface.
  • This fixing means comprises a lower fastening portion intended to be attached to the surface of the support and having a bolt forming a spacer, and an upper fixing portion comprising a fixing plate intended to be fixed on the object.
  • a fixing nut is placed around the bolt forming a spacer and a spherical body is fixed on the outer end of the bolt in the space between the lower fixing portion and the fixing nut. No locking means in translation of the bolt is provided in this device.
  • the ball joint c allows slight angular movements of the capillary in all directions, insofar as the diameter of the capillary is slightly less than the diameter of the light through which it passes through the closing means and the grip.
  • the closing means are connected to the socket via a screw thread whose implementation allows to block the ball joint at a determined angle. No provision is provided in this document that would also maintain the rod in position, particularly with respect to translational movements along the longitudinal axis thereof.
  • Document FR 2606625 discloses a probe support for attaching an ultrasound probe to a measurement zone comprising a base, support means surrounding the probe, means exerting an elastic pressure on the probe and a locking ring intended to lock. the support means on the base.
  • the support means consist of a ball joint abutting on the base, a jaw applied to the probe and guiding it in translation, and a sleeve surrounding the jaw and passing through the ball.
  • the locking ring allows angularly blocking the ball by a first screwing, then a stop screw passing through the jaw then allows to block the longitudinal translation of the probe relative to said jaw.
  • This system thus makes it possible to obtain both an angular locking of the ball and a locking in translation of the probe in a given longitudinal position.
  • these two blocks are allowed by separate means, and are obtained in two successive actions independent of each other.
  • a support device of a switch operating without contact which comprises a tubular housing surrounded by a sleeve fastener in which it is slidably mounted .
  • the fastener comprises a ball joint that can be clamped between a support portion and a clamping frame.
  • the present invention aims to provide an alternative to the devices of the aforementioned prior art, by providing a device for fixing an elongated element adapted to specific applications.
  • the device thus comprises:
  • An angularly rotatable ball joint having a through conduit of determined longitudinal axis in which the elongated member can move in translation and / or around which the elongated member can move in rotation;
  • the ball has an elasticity allowing the clamping means to deform all or part of the ball joint so as to block, in addition, the elongated member in determined longitudinal position and / or in determined angular position in the conduit.
  • the clamping means are able to maintain the device on a wall comprising at least one orifice providing a passage for the elongated element;
  • the clamping means are adapted to ensure the maintenance of the device on the wall and the locking of the elongated member sealingly.
  • the nature of the material constituting the ball allows it to have sufficient elasticity for the clamping means, when used to lock the ball joint, to deform the ball by means of a pressure play. to also block the longitudinal translation of the elongate member.
  • the clamping means of the ball may comprise a first and a second clamping element capable of cooperating with each other and arranged on either side of the ball joint, respectively. This makes it possible to obtain an effective blocking of the patella.
  • first element and the second clamping element can be in the form of rings providing a passage for the elongated element. This configuration optimizes the cooperation of the two clamping elements with each other and represents a simple form to achieve and economic.
  • first element and the second clamping element may comprise complementary means allowing their mutual engagement by screwing, in order to provide a linear clamping effect and a stable locking.
  • all or part of a respective inner face of each of the first and second clamping elements facing the ball may be substantially complementary to the shape of the ball. This complementarity makes it possible to improve the engagement of the clamping elements with the ball joint and thus offers a more effective blocking.
  • the conduit passing through the ball may have a cylindrical shape.
  • the elongated element also has a cylindrical shape, complementary to the through conduit to facilitate rotational movement along the radial axis of said elongate member. This geometric shape gives the elongated element a rotational capacity about its longitudinal axis within the conduit passing through the ball joint.
  • the clamping means may be able to further ensure the maintenance of the device on a wall or any other plane support comprising at least one orifice providing a passage for the elongated element.
  • the device can thus be fixed on the surface of an object through which the elongated element has to pass at an orientation at an angle relative to the plane of this surface, and with a determined length of penetration through this surface.
  • the clamping means can ensure the maintenance of the device on the wall and the locking of the elongated element sealingly.
  • the elongated element can also move inside the duct through the ball joint in a sealed manner to limit any intrusion on either side of the wall on which the device is fixed.
  • the ball may have longitudinal elastic claws at at least one end of the duct to increase its elastic properties and thus improve the locking stability of the elongate member.
  • These claws can for example be obtained by the production of longitudinal slots, extending parallel to the axis of the conduit passing through the ball.
  • the ball may have an annular groove on its outer face, which is adapted to receive a seal ensuring sealing at the interface between the ball and the first clamping element, when said first clamping element and the second clamping element are tight together.
  • the ball may also have an annular groove on the inner face of the conduit, which is adapted to receive a seal ensuring the seal at the interface between the ball and the elongate element, when the first clamping member and the second clamping element are clamped together.
  • the ball is for example made at least partly of a deformable elastic material, such as rubber or elastomer.
  • a deformable elastic material such as rubber or elastomer.
  • Such a material provides a seal simultaneously at the interface between the elongate element and the ball joint, on the one hand, and at the interface between the ball and the first clamping element, on the other hand.
  • the present invention also relates to an apparatus comprising a wall provided with at least one orifice, as well as at least one device as described above, arranged to maintain an elongate element in a determined position, integral with the wall.
  • the apparatus may thus have a plurality of devices attached at respective holes on its wall and through which elongate members are to be positioned at a certain orientation angle with respect to a wall surface and with certain length of penetration through the wall, which are determined.
  • the wall may be at least locally flat at the orifice, which facilitates the fixing of the device at the device, as well as sealing.
  • the elongated element held on the wall may carry a sensor for making different measurements of a body, for example a liquid, located on the other side of the wall.
  • FIGS. 1 to 9 are diagrammatic representations of devices for fixing an elongated element according to the invention, among which:
  • FIG. 1 is a three-dimensional view of a device for fixing an elongated element according to the invention in an unassembled position
  • FIG. 2 is a sectional view of a first embodiment of the device for fixing an elongated element according to the invention fixed on a wall
  • FIG. 3a is a plan view of a ball joint of a device for fixing an elongated element according to FIG. 1;
  • FIG. 3b is a side view of a ball joint of a device for fixing an elongated element according to FIG. 1,
  • FIG. 4a is a view from above of a first clamping element of a device for fixing an elongated element according to FIG. 1;
  • FIG. 4b is a side view of a first clamping element of a device for fixing an elongated element according to FIG. 1;
  • FIG. 4c is a sectional side view of a first clamping element of a device for fixing an elongated element according to FIG. 1;
  • FIG. 5 is a side view of a second clamping element of a device for fixing an elongated element according to FIG. 1;
  • FIG. 6a is a view from above of a clamping nut positioned on an attachment device of an elongate element according to FIG. 1;
  • FIG. 6b is a side view of a clamping nut positioned on a device of FIG. fixing an elongated element according to FIG. 1,
  • FIG. 7 is a sectional view of a second embodiment of a device for fixing an elongated element fixed on a wall
  • FIG. 8 is a sectional view of a third embodiment of a device for fixing an elongate element fixed on a wall
  • FIG. 9 is a sectional view of a fourth embodiment of a device for fixing an elongated element fixed on a wall
  • Figure 10 is a sectional view of a detail of the means for obtaining the seal at the attachment of the device on the wall;
  • FIG. 11a is a sectional view of a second embodiment of the device for fixing an elongated element according to the invention fixed on a wall
  • FIG. 11b is a side view, in section, of the ball of a device for fixing an elongated element according to FIG. 11a,
  • FIG. 12a is a sectional view of a third embodiment of the device for fixing an elongate element according to the invention fixed on a wall
  • Figure 12b is a sectional side view, in section, of the ball joint of a device for fixing an elongated element according to Figure 12a.
  • FIG. 1 shows in three dimensions a device for fixing an elongated element 5 not fixed to a wall and unassembled, comprising a ball joint 2 traversed by said elongated element 5 and positioned between a first clamping element 1 and a second element of FIG.
  • FIG. 2 shows, in sectional view, the device for fixing an elongate element according to one embodiment of the invention on a wall 6, for example the wall of a tank or any other tank, passing through by the central axis of the device.
  • the device comprises a ball of roughly coarse spherical shape and traversed longitudinally by a duct 8 in the form of a central recess opening through said ball joint 2.
  • the duct 8 is able to receive an elongated element 5, with the possibility of displacement of the latter in the duct 8, in particular a displacement in axial translation of the longitudinal axis of the elongated element 5 which also corresponds to the longitudinal axis of the duct 8.
  • the duct 8 can present a cylindrical shape to allow rotational movements of the elongate member 5 about its longitudinal axis.
  • the shape and the dimensions of the section of the recess preferably correspond to those of the section of the elongated element in a plane perpendicular to its longitudinal axis. In the example shown in Figures 1 to 5, this section is circular.
  • the elongate element 5 is indeed cylindrical in shape and the through conduit 8 of the ball 2 is also cylindrical with dimensions adapted to receive said elongated element 5 and allow it to perform movements of longitudinal translation along its longitudinal axis "d" inside said duct 8 as well as movements of rotation about this longitudinal axis and can thus have an angular position " ⁇ " determined from the point of view of this faculty of rotation.
  • the elongated element 5 and the conduit 8 from having a non-cylindrical shape with a polygon-shaped section or any other geometrical figure.
  • the shape of the duct 8 is complementary to that of the elongated element 5 in order to facilitate the sliding and the rotation of the elongated element in the following duct, respectively around the direction of the longitudinal axis "d", and limit the following games the other directions.
  • the angle rotation ability ⁇ exists or not.
  • FIG. 3a shows, in plan view, an exemplary embodiment of the ball 2 in which said ball 2 has a generally spherical shape.
  • the duct 8 passing through the ball 2 is in the form of an orifice of circular cross-section, of diameter slightly less than that of the ball 2.
  • the elongated element 5 (not shown in FIG. cylindrical shape complementary to that of the duct.
  • the surface of the swivel 2 reveals notches 12 extending radially from the center of the swivel 2 towards its periphery and forming at the level of the wall of the swivel 2 longitudinal elastic claws 9 at at least one end 8.
  • Figure 3b shows said ball 2 in side view.
  • Clamping elements 1 and 3 as illustrated in FIGS. 4a, 4b, 4c and 5 are distributed on either side of the ball 2 and make it possible to position and lock said ball 2 at an angle of orientation "a Determined.
  • the action of these clamping elements 1 and 3 on the ball 2 imposes a pressure on the latter so that the ball 2 undergoes deformation due to its intrinsic elasticity.
  • This deformation of the ball 2 is reflected on the duct 8 which passes through said ball 2 by reducing the perimeter of section of said duct 8.
  • This reduction of perimeter of the duct 8 is all the more pronounced that the ball 2 has claws at the level of its wall which further accentuate its deformation under the effect of the clamping elements 1 and 3.
  • the contact points of the elongated element 5 with the conduit 8 become more numerous. which has the effect of ensuring the tightening of the ball 2 against the clamping elements 1 and 3, namely more particularly between the clamping elements in the example. And this in a measure that makes it possible to block the longitudinal translation of the elongated element 5 inside the duct 8 in a longitudinal direction "d" determined corresponding to the longitudinal axis of said elongated element 5.
  • the clamping elements 1 and 3 thus make it possible, thanks to their interaction with the swivel 2, to obtain a double lock: the angle of the swivel 2 and the longitudinal position of the elongated element 5 are in fact fixed by a single action obtained by the implementation of the clamping elements 1 and 3.
  • the clamping elements comprise a first clamping element 1 and a second clamping element 3 adapted to cooperate with each other, respectively enclosing on each side of the ball 2 and thereby blocking with firmness said ball 2 in angular position.
  • the cooperation of the clamping elements 1 and 3 with each other thus improves the angular locking of the ball 2 and the locking in the longitudinal position of the elongated element 5.
  • This cooperation can be optimized when the first and the second element 1 and 3 are in the form of rings through which the elongate member 5 can pass and move in longitudinal translation.
  • the clamping elements 1 and 3 may comprise complementary means allowing their mutual engagement by screwing. A screw thread located on the clamping element 1 then cooperates with another complementary screw thread located on the clamping element 3, to completely secure the two clamping elements 1 and 3 in engagement with the ball joint. 2.
  • the clamping elements 1 and 3 can present in a manner advantageous all or part of their inner face facing the ball 2 substantially complementary to the shape of said ball 2, namely a spherical shape in the example considered here.
  • the points of contact between the clamping elements 1 and 3 and the ball 2 are increased and the implementation of the clamping means 1 and 3 relative to the ball 2 provides blocking all the more important.
  • the shape of the ball 2 is roughly spherical, the elements 1 and 3 have an inner face facing the ball 2 substantially spherical, concave, which is complementary to the spherical shape, convex, of the ball 2.
  • the inner face facing the ball 2 of the clamping elements 1 and 3 would adopt just as complementary a shape capable of adapting to this non-spherical shape, that is to say to say to offer the maximum of surface of contact.
  • the clamping means 1 and 3 are able to hold the device on a wall 6 comprising at least one orifice 10 providing a passage for the elongated element 5.
  • the clamping means 1 may, for example, comprise pins 13 with a portion comprising an outer diameter substantially equal to the diameter of the orifice and another portion with an outer diameter substantially greater than the diameter of the orifice so that the device can be fixed on the wall 6 by snapping through said orifice.
  • These lugs 13 may optionally cooperate with a clamping nut 4, as shown in FIGS. 6a and 6b, positioned on the clamping element 1, on the other side of the wall 6 with respect to the lugs 13, while being for example, pressed against the elongated member under the effect of the clamping nut.
  • FIG. 7 thus illustrates another embodiment in which the clamping element 1 has an annular bulge 14 resting on the wall 6 and making it possible to stabilize the fastening of the lug 13 situated on the other side of the wall 6.
  • Figure 8 illustrates a reinforced attachment of the clamping element 1 with the installation of nails 15 piercing the annular bulge 14 and the wall 6.
  • Figure 9 illustrates yet another reinforced attachment of the clamping element 1 with the bolts 16 passing through the annular bulge 14 and the wall 6.
  • the attachment of the device on the wall 6 can be made in a sealed manner.
  • a seal 7 may be disposed between the wall 6 and the clamping element 1 so that no leakage can occur from one side to the other of said wall 6 via the
  • the clamping element 1 comprises a thread of screw or external thread 17, complementary to an internal thread of the clamping nut 4 mentioned above.
  • the seal 4 may be an O-ring, a flat annular seal or any other elastic washer, for example rubber or elastomer or metal material slightly deformable cold, such as copper for example. It is pinched between the wall 6 and the nut 4 when the latter is screwed onto the element 1 to bear against said wall 16. Its inner diameter is slightly less than the inside diameter of the screw thread 17 of the element of tightening 1.
  • the screw thread 17 can also serve to screw the clamping element 3 onto the clamping element 1, intended to deform the ball 2.
  • the ball 2 consists at least in part of an elastic material deformable. It may be, for example, rubber or elastomer.
  • An advantage of this embodiment is that it simultaneously provides the seal at the interface between the elongated element 5 and the clamping element 3, on the one hand, and the sealing at the interface between the wall 6 and the clamping element 1, on the other hand. It will be appreciated that this seal is also obtained by the same and single clamping movement of the element 3 against the element 1.
  • the diagrams of FIGS. 12a and 12b show an alternative to the embodiment of FIGS. 11a and 11b.
  • the ball 2 is made of non-deformable material but has notches extending radially from the center of the ball towards its periphery which form at the level of the wall of the ball longitudinal elastic claws at the level of at least one end of the duct 8, as in the embodiment of Figure 2 and Figures 3a and 3b.
  • the ball has an annular groove 19a on its outer face, for example at its hemispherical plane perpendicular to the longitudinal axis of the through conduit 8 (which coincides with the longitudinal axis of the elongate member 5 when the latter is lodged in the patella).
  • This annular groove 19a is adapted to receive a seal 18a, for example an O-ring rubber or elastomer.
  • This seal 18a seals at the interface between the ball 2 and the clamping element 1, when the element 1 and the element 3 are tightened together, for example by screwing, in order to deform the ball 2 to immobilize.
  • Element 5 is adapted to receive a seal 18a, for example an O-ring rubber or elastomer.
  • the ball 2 may also include another annular groove 19b on its inner face, for example at the middle of the length of the through conduit 8 along the longitudinal axis of said conduit.
  • This annular groove 19b is adapted to receive a seal 18b, for example an O-ring rubber or elastomer.
  • This seal 18b seals at the interface between the ball 2 and the elongated element 5, when the element 1 and the element 3 are clamped together in order to deform the ball 2 to immobilize said element 5.
  • the seal provided by the gasket 18a and / or by the gasket 18b is also obtained by the same and only clamping movement of the element 3 against the gasket 18a.
  • element 1 The device thus described is advantageously maintained on the wall 6 of an apparatus, said wall 6 being provided with at least one orifice 10.
  • the wall of the apparatuses to which the devices are attached is less locally flat at the orifice 10, so as to facilitate the attachment of the device.
  • It can be any type of device requiring to position and maintain tightly an elongate member 5 through a wall 6 at a certain angle and with a determined longitudinal position.
  • Such devices may require, for example, the measurement of the bottom distance of a tank or the ultrasonic detection threshold measurement, magnetostrictive rod, laser or other ...
  • the wall 6 is the wall of the tank.
  • An advantage of the device positioned on such devices is that it allows the precise adjustment of the two parameters that are the angle of orientation a and the penetration length d of the elongated element 5, and the blocking of the element lying in a stable position according to these two parameters, and in a single action, namely a clamping action of the elements 1 and 3. Also, in embodiments, this clamping can ensure the seal between the elongated element 5 and the ball 2, and / or between the ball 2 and the clamping element 1. Moreover; the clamping element 1 can participate in sealing the fastening of the device to the wall. All these features make it possible to ensure a large number of functions with a reduced number of parts.

Abstract

A device is proposed for securing an elongate element (5) comprising an angularly orientable ball joint (2), having a through-duct (8) of given longitudinal axis along which the elongate element (5) can move in translation and/or about which the elongate element can move in rotation. The device comprises clamping means (1, 3) for the ball joint (2), said means being able to immobilize the ball joint in a given angular position, and the ball joint (2) has elasticity allowing the clamping means (1, 3) to deform all or part of the ball joint (2) so as also to immobilize the elongate element (5) in a given longitudinal position and/or a given angular position in the duct (8) by way of a single action on the clamping means. The clamping means (1, 3) are able to keep the device on a wall (6) comprising at least one orifice (10) that provides a passage for the elongate element (5). The clamping means (1, 3) are also able to keep the device on the wall (6) and immobilize the elongate element (5) in a sealed manner.

Description

DISPOSITIF DE FIXATION D'UN ELEMENT ALLONGE  DEVICE FOR FASTENING AN EXTENDED ELEMENT
Domaine Technique Technical area
La présente invention concerne un dispositif de fixation d'un élément allongé, notamment mais pas nécessairement un élément allongé cylindrique. The present invention relates to a device for fixing an elongated element, in particular but not necessarily an elongated cylindrical element.
Elle trouve des applications, notamment, pour la fixation de capteurs sur un support, par exemple à l'interface entre deux milieux séparés par une cloison traversée par l'élément allongé. Il peut s'agir, par exemple, d'un capteur de niveau de liquide à fixer sur la paroi d'une cuve.  It finds applications, in particular, for fixing sensors on a support, for example at the interface between two media separated by a partition traversed by the elongated element. It may be, for example, a liquid level sensor to be fixed on the wall of a tank.
Arrière-plan Technologique Technological Background
Dans de nombreux domaines techniques, un élément allongé tel qu'une tige, un tuyau, une canalisation ou un conduit souple ou rigide doit être immobilisé selon un certain angle d'orientation par rapport à un plan déterminé, par exemple par rapport au plan d'une surface d'un support. En plus du réglage angulaire réalisé, il peut être nécessaire de procéder en outre à un réglage de la position axiale de l'élément allongé suivant un axe correspondant à un axe longitudinal dudit élément. Dans certaines applications, en outre, et notamment lorsque le support allongé est cylindrique en sorte qu'il présente une symétrie de rotation autour de son axe longitudinal, il peut encore être nécessaire de régler et figer la position angulaire de cet élément, eu égard à sa capacité de rotation autour de son axe longitudinal. In many technical fields, an elongated element such as a rod, a pipe, a pipe or a flexible or rigid conduit must be immobilized at a certain orientation angle with respect to a given plane, for example with respect to the plane of a surface of a support. In addition to the angular adjustment performed, it may be necessary to further adjust the axial position of the elongate member along an axis corresponding to a longitudinal axis of said element. In certain applications, moreover, and in particular when the elongate support is cylindrical so that it has a symmetry of rotation about its longitudinal axis, it may still be necessary to adjust and freeze the angular position of this element, with regard to its ability to rotate around its longitudinal axis.
L'invention s'applique lorsque l'élément allongé présente au moins deux parmi les trois degrés de liberté précités auxquels correspondent trois réglages indépendants.  The invention applies when the elongated element has at least two of the three degrees of freedom mentioned above to which three independent settings correspond.
Il existe ainsi un besoin de perfectionnement des systèmes de fixation d'un élément allongé, permettant d'obtenir une pluralité de réglages parmi un réglage de l'orientation de l'axe longitudinal de l'élément par rapport à un plan, un réglage de la position de l'élément en translation suivant l'axe longitudinal et un réglage de la position angulaire de l'élément par rapport à sa capacité de rotation autour dudit axe. Art Antérieur There is thus a need for improvement of the fastening systems of an elongated element, making it possible to obtain a plurality of adjustments from a setting of the orientation of the longitudinal axis of the element relative to a plane, a setting of the position of the element in translation along the longitudinal axis and an adjustment of the angular position of the element relative to its capacity for rotation about said axis. Previous Art
Des systèmes de fixation d'éléments allongés sont décrits dans l'art antérieur. Elongated element fastening systems are described in the prior art.
Le document GB 410166 décrit un dispositif de mesure de niveau dans un récipient, comprenant une tige reliée à un flotteur et traversant des moyens de fermeture, eux-mêmes en liaison avec une prise. La tige passe à travers un capillaire traversant également les moyens de fermeture et un joint à rotule situé entre les moyens de fermeture et la prise.  GB 410166 discloses a level measuring device in a container, comprising a rod connected to a float and passing through closure means, themselves in connection with a socket. The rod passes through a capillary also passing through the closure means and a ball joint located between the closure means and the socket.
Le joint à rotule permet de légers mouvements angulaires du capillaire dans toutes les directions, le diamètre du capillaire étant légèrement inférieur au diamètre de la lumière par laquelle il traverse les moyens de fermeture et la prise. Cependant, ce système ne prévoit pas de moyen de blocage en translation du capillaire à travers les moyens de fermeture et la prise.  The ball joint allows slight angular movements of the capillary in all directions, the diameter of the capillary being slightly less than the diameter of the light through which it passes through the closing means and the grip. However, this system does not provide locking means in translation of the capillary through the closing means and the plug.
Le document EP 0445088 décrit encore un moyen de fixation pivotant pour la fixation d'un objet sur une surface de support. Ce moyen de fixation comprend une partie de fixation inférieure destinée à être attachée à la surface du support et présentant un boulon formant entretoise, ainsi qu'une partie de fixation supérieure comprenant une plaque de fixation destinée à être fixée sur l'objet.  EP 0445088 further discloses a pivotal attachment means for attaching an object to a support surface. This fixing means comprises a lower fastening portion intended to be attached to the surface of the support and having a bolt forming a spacer, and an upper fixing portion comprising a fixing plate intended to be fixed on the object.
Un écrou de fixation est placé autour du boulon formant entretoise et un corps sphérique est fixé sur l'extrémité extérieure du boulon, dans l'espace compris entre la partie de fixation inférieure et l'écrou de fixation. Aucun moyen de blocage en translation du boulon n'est prévu dans ce dispositif.  A fixing nut is placed around the bolt forming a spacer and a spherical body is fixed on the outer end of the bolt in the space between the lower fixing portion and the fixing nut. No locking means in translation of the bolt is provided in this device.
Le joint à rotule c permet de légers mouvements angulaires du capillaire dans toutes les directions, dans la mesure où le diamètre du capillaire est légèrement inférieur au diamètre de la lumière par laquelle il traverse les moyens de fermeture et la prise.  The ball joint c allows slight angular movements of the capillary in all directions, insofar as the diameter of the capillary is slightly less than the diameter of the light through which it passes through the closing means and the grip.
Les moyens de fermeture sont reliés à la prise par l'intermédiaire d'un pas de vis dont la mise en œuvre permet de bloquer le joint à rotule selon un angle déterminé. Aucune disposition n'est prévue dans ce document qui permettrait également de maintenir en position la tige, notamment par rapport aux mouvements de translation selon l'axe longitudinal de celle-ci. The closing means are connected to the socket via a screw thread whose implementation allows to block the ball joint at a determined angle. No provision is provided in this document that would also maintain the rod in position, particularly with respect to translational movements along the longitudinal axis thereof.
Le document FR 2606625 décrit un support de sonde pour fixer une sonde d'échographie sur une zone de mesure comprenant une embase, des moyens de support entourant la sonde, des moyens exerçant une pression élastique sur la sonde et une bague de blocage destinée à verrouiller les moyens de support sur l'embase.  Document FR 2606625 discloses a probe support for attaching an ultrasound probe to a measurement zone comprising a base, support means surrounding the probe, means exerting an elastic pressure on the probe and a locking ring intended to lock. the support means on the base.
Les moyens de support sont constitués d'une rotule venant en butée sur l'embase, d'une mâchoire appliquée sur la sonde et la guidant en translation, et d'un fourreau entourant la mâchoire et traversant la rotule. La bague de blocage permet de bloquer angulairement la rotule par un premier vissage, puis une vis de butée traversant la mâchoire permet ensuite de bloquer sur le plan longitudinal la translation de la sonde par rapport à ladite mâchoire.  The support means consist of a ball joint abutting on the base, a jaw applied to the probe and guiding it in translation, and a sleeve surrounding the jaw and passing through the ball. The locking ring allows angularly blocking the ball by a first screwing, then a stop screw passing through the jaw then allows to block the longitudinal translation of the probe relative to said jaw.
Ce système permet ainsi d'obtenir à la fois un blocage angulaire de la rotule et un blocage en translation de la sonde dans une position longitudinale déterminée. Cependant ces deux blocages sont permis par des moyens distincts, et ne sont obtenus qu'en deux actions successives et indépendantes l'une de l'autre.  This system thus makes it possible to obtain both an angular locking of the ball and a locking in translation of the probe in a given longitudinal position. However, these two blocks are allowed by separate means, and are obtained in two successive actions independent of each other.
Le document DE 86 32 849.2-U1 , conforme au préambule de la revendication 1 , divulgue un dispositif support d'un commutateur fonctionnant sans contact, qui comprend un boîtier tubulaire entouré d'un élément de fixation à fourreau dans lequel il est monté à glissement. L'élément de fixation comprend une rotule qui peut être bridée entre une partie de support et un cadre de serrage. Résumé de l'Invention DE 86 32 849.2-U1, according to the preamble of claim 1, discloses a support device of a switch operating without contact, which comprises a tubular housing surrounded by a sleeve fastener in which it is slidably mounted . The fastener comprises a ball joint that can be clamped between a support portion and a clamping frame. Summary of the Invention
La présente invention vise à procurer une alternative aux dispositifs de l'art antérieur précités, en proposant un dispositif de fixation d'un élément allongé adapté à certaines applications spécifiques.  The present invention aims to provide an alternative to the devices of the aforementioned prior art, by providing a device for fixing an elongated element adapted to specific applications.
Le dispositif comprend ainsi :  The device thus comprises:
- une rotule orientable angulairement, ayant un conduit traversant d'axe longitudinal déterminé suivant lequel l'élément allongé peut se déplacer en translation et/ou autour duquel l'élément allongé peut se déplacer en rotation ; et,  - An angularly rotatable ball joint, having a through conduit of determined longitudinal axis in which the elongated member can move in translation and / or around which the elongated member can move in rotation; and,
- des moyens de serrage de la rotule aptes à bloquer la rotule dans une position angulaire déterminée.  - Tightening means of the ball adapted to block the ball in a specific angular position.
La rotule présente une élasticité permettant aux moyens de serrage de déformer tout ou partie de la rotule de manière à bloquer, en outre, l'élément allongé en position longitudinale déterminée et/ou en position angulaire déterminée dans le conduit.  The ball has an elasticity allowing the clamping means to deform all or part of the ball joint so as to block, in addition, the elongated member in determined longitudinal position and / or in determined angular position in the conduit.
En outre :  In addition :
les moyens de serrage sont aptes à assurer le maintien du dispositif sur une paroi comprenant au moins un orifice offrant un passage pour l'élément allongé; et,  the clamping means are able to maintain the device on a wall comprising at least one orifice providing a passage for the elongated element; and,
- les moyens de serrage sont aptes à assurer le maintien du dispositif sur la paroi et le blocage de l'élément allongé de manière étanche. Dans un exemple, la nature du matériau constituant la rotule lui permet de présenter une élasticité suffisante pour que les moyens de serrage, lorsqu'ils sont mis en œuvre pour bloquer la rotule, permettent de déformer la rotule au moyen d'un jeu de pression, afin de bloquer également la translation longitudinale de l'élément allongé.  - The clamping means are adapted to ensure the maintenance of the device on the wall and the locking of the elongated member sealingly. In one example, the nature of the material constituting the ball allows it to have sufficient elasticity for the clamping means, when used to lock the ball joint, to deform the ball by means of a pressure play. to also block the longitudinal translation of the elongate member.
Le blocage de l'angle de la rotule qui détermine l'orientation de l'élément allongé, ainsi que le blocage de la position de l'élément allongé le cas échéant en translation suivant son axe longitudinal et/ou en rotation autour de cet axe, peuvent alors être obtenus simultanément au cours d'une seule action mettant en œuvre les moyens de serrage. De manière avantageuse, les moyens de serrage de la rotule peuvent comprendre un premier et un second élément de serrage aptes à coopérer l'un avec l'autre et agencés de part et d'autre de la rotule, respectivement. Ceci permet d'obtenir un blocage efficace de la rotule. The blocking of the angle of the patella which determines the orientation of the elongated element, as well as the blocking of the position of the elongate element, if necessary in translation along its longitudinal axis and / or in rotation around this axis , can then be obtained simultaneously during a single action implementing the clamping means. Advantageously, the clamping means of the ball may comprise a first and a second clamping element capable of cooperating with each other and arranged on either side of the ball joint, respectively. This makes it possible to obtain an effective blocking of the patella.
Dans un mode de réalisation particulier, le premier élément et le second élément de serrage se peuvent se présenter sous la forme de bagues offrant un passage pour l'élément allongé. Cette configuration permet d'optimiser la coopération des deux éléments de serrage l'un avec l'autre et représente une forme simple à réaliser et économique. In a particular embodiment, the first element and the second clamping element can be in the form of rings providing a passage for the elongated element. This configuration optimizes the cooperation of the two clamping elements with each other and represents a simple form to achieve and economic.
De manière avantageuse, le premier élément et le second élément de serrage peuvent comporter des moyens complémentaires permettant leur engagement mutuel par vissage, afin de procurer un effet de serrage linéaire et un blocage stable. Advantageously, the first element and the second clamping element may comprise complementary means allowing their mutual engagement by screwing, in order to provide a linear clamping effect and a stable locking.
Dans un mode de réalisation particulier, tout ou partie d'une face interne respective de chacun des premier et second éléments de serrage tournée vers la rotule peut être sensiblement complémentaire de la forme de la rotule. Cette complémentarité permet d'améliorer l'engagement des éléments de serrage avec la rotule et offre ainsi un blocage plus efficace. In a particular embodiment, all or part of a respective inner face of each of the first and second clamping elements facing the ball may be substantially complementary to the shape of the ball. This complementarity makes it possible to improve the engagement of the clamping elements with the ball joint and thus offers a more effective blocking.
Dans un mode de réalisation particulier, le conduit traversant de la rotule peut présenter une forme cylindrique. De préférence, l'élément allongé présente également une forme cylindrique, complémentaire du conduit traversant afin de faciliter les mouvements de rotation selon l'axe radial dudit élément allongé. Cette forme géométrique donne à l'élément allongé une capacité de rotation autour de son axe longitudinal à l'intérieur du conduit traversant de la rotule. In a particular embodiment, the conduit passing through the ball may have a cylindrical shape. Preferably, the elongated element also has a cylindrical shape, complementary to the through conduit to facilitate rotational movement along the radial axis of said elongate member. This geometric shape gives the elongated element a rotational capacity about its longitudinal axis within the conduit passing through the ball joint.
Dans des modes de réalisation, les moyens de serrage peuvent être aptes à assurer en outre le maintien du dispositif sur une paroi ou un support plan quelconque comprenant au moins un orifice offrant un passage pour l'élément allongé. Le dispositif peut ainsi être fixé sur la surface d'un objet à travers laquelle doit passer l'élément allongé avec une orientation selon un certain angle par rapport au plan de cette surface, et avec une longueur déterminée de pénétration à travers cette surface. In embodiments, the clamping means may be able to further ensure the maintenance of the device on a wall or any other plane support comprising at least one orifice providing a passage for the elongated element. The device can thus be fixed on the surface of an object through which the elongated element has to pass at an orientation at an angle relative to the plane of this surface, and with a determined length of penetration through this surface.
De manière avantageuse, les moyens de serrage peuvent assurer le maintien du dispositif sur la paroi et le blocage de l'élément allongé de manière étanche. L'élément allongé peut également se mouvoir à l'intérieur du conduit traversant de la rotule de manière étanche afin de limiter toute intrusion de part et d'autre de la paroi sur laquelle est fixé le dispositif. Ces modes de réalisations conviennent aux applications dans lesquelles la paroi sépare deux milieux distincts et étanches l'un envers l'autre. Advantageously, the clamping means can ensure the maintenance of the device on the wall and the locking of the elongated element sealingly. The elongated element can also move inside the duct through the ball joint in a sealed manner to limit any intrusion on either side of the wall on which the device is fixed. These embodiments are suitable for applications in which the wall separates two distinct and sealed environments to each other.
Dans un mode de réalisation particulier, la rotule peut présenter des griffes élastiques longitudinales au niveau d'au moins une extrémité du conduit afin d'accroître ses propriétés élastiques et améliorer ainsi la stabilité du blocage de l'élément allongé. Ces griffes peuvent par exemple être obtenues par la réalisation de fentes longitudinale, s'étendant parallèlement à l'axe du conduit traversant la rotule. In a particular embodiment, the ball may have longitudinal elastic claws at at least one end of the duct to increase its elastic properties and thus improve the locking stability of the elongate member. These claws can for example be obtained by the production of longitudinal slots, extending parallel to the axis of the conduit passing through the ball.
La rotule peut présenter une gorge annulaire sur sa face extérieure, qui est adaptée pour recevoir un joint assurant l'étanchéité à l'interface entre la rotule et le premier élément de serrage, lorsque ledit premier élément de serrage et le second élément de serrage sont serrés ensemble. The ball may have an annular groove on its outer face, which is adapted to receive a seal ensuring sealing at the interface between the ball and the first clamping element, when said first clamping element and the second clamping element are tight together.
En outre, la rotule peut également présenter une gorge annulaire sur la face intérieure du conduit traversant, qui est adaptée pour recevoir un joint assurant l'étanchéité à l'interface entre la rotule et l'élément allongé, lorsque le premier élément de serrage et le second élément de serrage sont serrés ensemble. In addition, the ball may also have an annular groove on the inner face of the conduit, which is adapted to receive a seal ensuring the seal at the interface between the ball and the elongate element, when the first clamping member and the second clamping element are clamped together.
Dans un autre mode de réalisation, la rotule est par exemple constituée au moins en partie d'un matériau élastique déformable, comme du caoutchouc ou de l'élastomère. Un tel matériau procure une étanchéité simultanément au niveau de l'interface entre l'élément allongé et la rotule, d'une part, et au niveau de l'interface entre la rotule et le premier élément de serrage, d'autre part. La présente invention concerne également un appareil comprenant une paroi dotée d'au moins un orifice, ainsi qu'au moins un dispositif tel que décrit ci-avant, agencé pour maintenir un élément allongé en position déterminée, de manière solidaire avec la paroi. L'appareil peut ainsi présenter une pluralité de dispositifs fixés au niveau d'orifices présents respectifs sur sa paroi et à travers lesquels des éléments allongés doivent être positionnés selon un certain angle d'orientation par rapport à une surface de la paroi et avec une certaine longueur de pénétration à travers la paroi, qui sont déterminés. In another embodiment, the ball is for example made at least partly of a deformable elastic material, such as rubber or elastomer. Such a material provides a seal simultaneously at the interface between the elongate element and the ball joint, on the one hand, and at the interface between the ball and the first clamping element, on the other hand. The present invention also relates to an apparatus comprising a wall provided with at least one orifice, as well as at least one device as described above, arranged to maintain an elongate element in a determined position, integral with the wall. The apparatus may thus have a plurality of devices attached at respective holes on its wall and through which elongate members are to be positioned at a certain orientation angle with respect to a wall surface and with certain length of penetration through the wall, which are determined.
Dans un mode de réalisation particulier, la paroi peut être au moins localement plane au niveau de l'orifice, ce qui permet de faciliter la fixation du dispositif au niveau de l'appareil, ainsi que l'étanchéité. In a particular embodiment, the wall may be at least locally flat at the orifice, which facilitates the fixing of the device at the device, as well as sealing.
De manière avantageuse, l'élément allongé maintenu sur la paroi peut porter un capteur permettant de réaliser différentes mesures d'un corps, par exemple un liquide, situé de l'autre côté de la paroi. Advantageously, the elongated element held on the wall may carry a sensor for making different measurements of a body, for example a liquid, located on the other side of the wall.
Brève Description des Dessins Brief Description of Drawings
D'autres caractéristiques et avantages de l'invention apparaîtront encore à la lecture de la description qui va suivre. Celle-ci est purement illustrative et doit être lue en regard des figures 1 à 9 qui sont des représentations schématiques de dispositifs de fixation d'un élément allongé selon l'invention parmi lesquelles : Other features and advantages of the invention will become apparent on reading the description which follows. This is purely illustrative and should be read with reference to FIGS. 1 to 9 which are diagrammatic representations of devices for fixing an elongated element according to the invention, among which:
La figure 1 est une vue en trois dimensions d'un dispositif de fixation d'un élément allongé selon l'invention en position non assemblée, FIG. 1 is a three-dimensional view of a device for fixing an elongated element according to the invention in an unassembled position,
La figure 2 est une vue en coupe d'un premier mode de réalisation du dispositif de fixation d'un élément allongé selon l'invention fixé sur une paroi, La figure 3a est une vue de dessus d'une rotule d'un dispositif de fixation d'un élément allongé selon la figure 1 , FIG. 2 is a sectional view of a first embodiment of the device for fixing an elongated element according to the invention fixed on a wall, FIG. 3a is a plan view of a ball joint of a device for fixing an elongated element according to FIG. 1;
La figure 3b est une vue de côté d'une rotule d'un dispositif de fixation d'un élément allongé selon la figure 1 ,  FIG. 3b is a side view of a ball joint of a device for fixing an elongated element according to FIG. 1,
- La figure 4a est une vue de dessus d'un premier élément de serrage d'un dispositif de fixation d'un élément allongé selon la figure 1 ,  FIG. 4a is a view from above of a first clamping element of a device for fixing an elongated element according to FIG. 1;
La figure 4b est une vue de côté d'un premier élément de serrage d'un dispositif de fixation d'un élément allongé selon la figure 1 ,  FIG. 4b is a side view of a first clamping element of a device for fixing an elongated element according to FIG. 1;
La figure 4c est une vue de coté en coupe d'un premier élément de serrage d'un dispositif de fixation d'un élément allongé selon la figure 1 ,  FIG. 4c is a sectional side view of a first clamping element of a device for fixing an elongated element according to FIG. 1;
La figure 5 est une vue de côté d'un second élément de serrage d'un dispositif de fixation d'un élément allongé selon la figure 1 ,  FIG. 5 is a side view of a second clamping element of a device for fixing an elongated element according to FIG. 1;
La figure 6a est une vue de dessus d'un écrou de serrage positionné sur un dispositif de fixation d'un élément allongé selon la figure 1 , - La figure 6b est une vue de côté d'un écrou de serrage positionné sur un dispositif de fixation d'un élément allongé selon la figure 1 ,  FIG. 6a is a view from above of a clamping nut positioned on an attachment device of an elongate element according to FIG. 1; FIG. 6b is a side view of a clamping nut positioned on a device of FIG. fixing an elongated element according to FIG. 1,
La figure 7 est une vue en coupe d'un deuxième mode de réalisation d'un dispositif de fixation d'un élément allongé fixé sur une paroi,  FIG. 7 is a sectional view of a second embodiment of a device for fixing an elongated element fixed on a wall,
La figure 8 est une vue en coupe d'un troisième mode de réalisation d'un dispositif de fixation d'un élément allongé fixé sur une paroi,  FIG. 8 is a sectional view of a third embodiment of a device for fixing an elongate element fixed on a wall,
La figure 9 est une vue en coupe d'un quatrième mode de réalisation d'un dispositif de fixation d'un élément allongé fixé sur une paroi,  FIG. 9 is a sectional view of a fourth embodiment of a device for fixing an elongated element fixed on a wall,
La figure 10 est une vue en coupe d'un détail de réalisation des moyens permettant d'obtenir l'étanchéité au niveau de la fixation du dispositif sur la paroi ;  Figure 10 is a sectional view of a detail of the means for obtaining the seal at the attachment of the device on the wall;
La figure 11a est une vue en coupe d'un deuxième mode de réalisation du dispositif de fixation d'un élément allongé selon l'invention fixé sur une paroi,  FIG. 11a is a sectional view of a second embodiment of the device for fixing an elongated element according to the invention fixed on a wall,
La figure 11 b est une vue de coté, en coupe, de la rotule d'un dispositif de fixation d'un élément allongé selon la figure 1 1 a,  FIG. 11b is a side view, in section, of the ball of a device for fixing an elongated element according to FIG. 11a,
La figure 12a est une vue en coupe d'un troisième mode de réalisation du dispositif de fixation d'un élément allongé selon l'invention fixé sur une paroi, et La figure 12b est une vue de coté, en coupe, de la rotule d'un dispositif de fixation d'un élément allongé selon la figure 12a. FIG. 12a is a sectional view of a third embodiment of the device for fixing an elongate element according to the invention fixed on a wall, and Figure 12b is a sectional side view, in section, of the ball joint of a device for fixing an elongated element according to Figure 12a.
Description détaillée d'un mode de réalisation La description d'un mode de réalisation d'un dispositif de fixation d'un élément allongé est détaillée ci-après en référence aux figures mentionnées ci- dessus. DETAILED DESCRIPTION OF AN EMBODIMENT The description of an embodiment of a device for fixing an elongated element is detailed hereinafter with reference to the figures mentioned above.
La figure 1 montre en trois dimension un dispositif de fixation d'un élément allongé 5 non fixé sur une paroi et non assemblé, comprenant une rotule 2 traversée par ledit élément allongé 5 et positionnée entre un premier élément de serrage 1 et un second élément de serrage 3. La figure 2 montre en vue de coupe, le dispositif de fixation d'un élément allongé selon un mode de réalisation de l'invention sur une paroi 6, par exemple la paroi d'un réservoir ou de tout autre cuve, passant par l'axe central du dispositif. Le dispositif comprend une rotule 2 de forme grossièrement sphérique, et traversée longitudinalement par un conduit 8 se présentant sous la forme d'un évidement central débouchant de part en part de ladite rotule 2. Le conduit 8 est apte à recevoir un élément allongé 5, avec faculté de déplacement de ce dernier dans le conduit 8, en particulier un déplacement en translation axiale d'axe longitudinal de l'élément allongé 5 qui correspond aussi à l'axe longitudinal du conduit 8. De manière facultative, le conduit 8 peut présenter une forme cylindrique afin de permettre des mouvements de rotation de l'élément allongé 5 autour de son axe longitudinal. La forme et les dimensions de la section de l'évidement correspondent de préférence à celles de la section de l'élément allongé dans un plan perpendiculaire à son axe longitudinal. Dans l'exemple montré aux figures 1 à 5, cette section est circulaire. FIG. 1 shows in three dimensions a device for fixing an elongated element 5 not fixed to a wall and unassembled, comprising a ball joint 2 traversed by said elongated element 5 and positioned between a first clamping element 1 and a second element of FIG. FIG. 2 shows, in sectional view, the device for fixing an elongate element according to one embodiment of the invention on a wall 6, for example the wall of a tank or any other tank, passing through by the central axis of the device. The device comprises a ball of roughly coarse spherical shape and traversed longitudinally by a duct 8 in the form of a central recess opening through said ball joint 2. The duct 8 is able to receive an elongated element 5, with the possibility of displacement of the latter in the duct 8, in particular a displacement in axial translation of the longitudinal axis of the elongated element 5 which also corresponds to the longitudinal axis of the duct 8. Optionally, the duct 8 can present a cylindrical shape to allow rotational movements of the elongate member 5 about its longitudinal axis. The shape and the dimensions of the section of the recess preferably correspond to those of the section of the elongated element in a plane perpendicular to its longitudinal axis. In the example shown in Figures 1 to 5, this section is circular.
Dans le présent exemple, l'élément allongé 5 est en effet de forme cylindrique et le conduit traversant 8 de la rotule 2 est lui aussi cylindrique avec des dimensions adaptées pour recevoir ledit élément allongé 5 et permettre à celui-ci d'effectuer des mouvements de translation longitudinale selon son axe longitudinal « d » à l'intérieur dudit conduit 8 ainsi que des mouvements de rotation autour de cet axe longitudinal et peut ainsi avoir une position angulaire « β » déterminée du point de vue de cette faculté de rotation. Rien ne s'oppose cependant à ce que l'élément allongé 5 et le conduit 8 présentent une forme non cylindrique avec une section en forme de polygone ou toute autre figure géométrique. De préférence, la forme du conduit 8 est complémentaire de celle de l'élément allongé 5 afin de faciliter le coulissement et la rotation de l'élément allongé dans le conduit suivant, respectivement autour de la direction de l'axe longitudinal « d », et de limiter les jeux suivants les autres directions. Selon les types de section, la faculté de rotation d'angle β existe ou non. In the present example, the elongate element 5 is indeed cylindrical in shape and the through conduit 8 of the ball 2 is also cylindrical with dimensions adapted to receive said elongated element 5 and allow it to perform movements of longitudinal translation along its longitudinal axis "d" inside said duct 8 as well as movements of rotation about this longitudinal axis and can thus have an angular position "β" determined from the point of view of this faculty of rotation. However, there is nothing to prevent the elongated element 5 and the conduit 8 from having a non-cylindrical shape with a polygon-shaped section or any other geometrical figure. Preferably, the shape of the duct 8 is complementary to that of the elongated element 5 in order to facilitate the sliding and the rotation of the elongated element in the following duct, respectively around the direction of the longitudinal axis "d", and limit the following games the other directions. Depending on the types of section, the angle rotation ability β exists or not.
La figure 3a montre, en vue de dessus, un exemple de réalisation de la rotule 2 dans lequel ladite rotule 2 présente une forme globalement sphérique. Le conduit 8 traversant la rotule 2 se présente sous la forme d'un orifice de section circulaire, de diamètre légèrement inférieur à celui de la rotule 2. Dans cet exemple, l'élément allongé 5 (non représenté sur la figure 2) présente une forme cylindrique complémentaire de celle du conduit. La surface de la rotule 2 fait apparaître des entailles 12 s'étendant de manière radiale du centre de la rotule 2 vers sa périphérie et formant au niveau de la paroi de la rotule 2 des griffes élastiques longitudinales 9 au niveau d'au moins une extrémité du conduit 8. La figure 3b montre ladite rotule 2 en vue de côté. FIG. 3a shows, in plan view, an exemplary embodiment of the ball 2 in which said ball 2 has a generally spherical shape. The duct 8 passing through the ball 2 is in the form of an orifice of circular cross-section, of diameter slightly less than that of the ball 2. In this example, the elongated element 5 (not shown in FIG. cylindrical shape complementary to that of the duct. The surface of the swivel 2 reveals notches 12 extending radially from the center of the swivel 2 towards its periphery and forming at the level of the wall of the swivel 2 longitudinal elastic claws 9 at at least one end 8. Figure 3b shows said ball 2 in side view.
Des éléments de serrage 1 et 3 tels qu'illustrés sur les figures 4a, 4b, 4c et 5 sont répartis de part et d'autre de la rotule 2 et permettent de positionner et bloquer ladite rotule 2 selon un angle d'orientation « a » déterminé. L'action de ces éléments de serrage 1 et 3 sur la rotule 2 impose une pression sur cette dernière de telle sorte que la rotule 2 subit une déformation du fait de son élasticité intrinsèque. Cette déformation de la rotule 2 se répercute sur le conduit 8 qui traverse ladite rotule 2 en réduisant le périmètre de section dudit conduit 8. Cette réduction de périmètre du conduit 8 est d'autant plus prononcée que la rotule 2 possède des griffes au niveau de sa paroi qui accentuent encore plus sa déformation sous l'effet des éléments de serrage 1 et 3. Du fait de la réduction de périmètre du conduit 8, les points de contact de l'élément allongé 5 avec le conduit 8 deviennent plus nombreux ce qui a pour conséquence d'assurer le serrage de la rotule 2 contre les éléments de serrage 1 et 3, à savoir plus particulièrement entre les éléments de serrage dans l'exemple considéré. Et ceci dans une mesure qui permet de bloquer la translation longitudinale de l'élément allongé 5 à l'intérieur du conduit 8 suivant une direction longitudinale « d » déterminée correspondant à l'axe longitudinal dudit élément allongé 5. Clamping elements 1 and 3 as illustrated in FIGS. 4a, 4b, 4c and 5 are distributed on either side of the ball 2 and make it possible to position and lock said ball 2 at an angle of orientation "a Determined. The action of these clamping elements 1 and 3 on the ball 2 imposes a pressure on the latter so that the ball 2 undergoes deformation due to its intrinsic elasticity. This deformation of the ball 2 is reflected on the duct 8 which passes through said ball 2 by reducing the perimeter of section of said duct 8. This reduction of perimeter of the duct 8 is all the more pronounced that the ball 2 has claws at the level of its wall which further accentuate its deformation under the effect of the clamping elements 1 and 3. Due to the reduction of perimeter of the conduit 8, the contact points of the elongated element 5 with the conduit 8 become more numerous. which has the effect of ensuring the tightening of the ball 2 against the clamping elements 1 and 3, namely more particularly between the clamping elements in the example. And this in a measure that makes it possible to block the longitudinal translation of the elongated element 5 inside the duct 8 in a longitudinal direction "d" determined corresponding to the longitudinal axis of said elongated element 5.
Les éléments de serrage 1 et 3 permettent ainsi, grâce à leur interaction avec la rotule 2, d'obtenir un double blocage : l'angle de la rotule 2 et la position longitudinale de l'élément allongé 5 sont en effet fixés par une seule action obtenue par la mise en œuvre des éléments de serrage 1 et 3. The clamping elements 1 and 3 thus make it possible, thanks to their interaction with the swivel 2, to obtain a double lock: the angle of the swivel 2 and the longitudinal position of the elongated element 5 are in fact fixed by a single action obtained by the implementation of the clamping elements 1 and 3.
De manière avantageuse, les éléments de serrage comprennent un premier élément de serrage 1 et un second élément de serrage 3 aptes à coopérer l'un avec l'autre, enserrant respectivement de part et d'autre la rotule 2 et bloquant de ce fait avec fermeté ladite rotule 2 en position angulaire. La coopération des éléments de serrage 1 et 3 l'un avec l'autre améliore ainsi le blocage angulaire de la rotule 2 et le blocage en position longitudinale de l'élément allongé 5. Cette coopération peut être optimisée lorsque le premier et le second élément de serrage 1 et 3 se présentent sous la forme de bagues à travers laquelle l'élément allongé 5 peut passer et se déplacer en translation longitudinale. Cette forme de réalisation présente l'avantage d'être simple et économique à réaliser, en permettant d'obtenir une bonne qualité de blocage. De préférence, les éléments de serrage 1 et 3 peuvent comporter des moyens complémentaires permettant leur engagement mutuel par vissage. Un pas de vis situé sur l'élément de serrage 1 vient alors coopérer avec un autre pas de vis complémentaire situé sur l'élément de serrage 3, permettant de solidariser de manière complète les deux éléments de serrage 1 et 3 en prise avec la rotule 2. Advantageously, the clamping elements comprise a first clamping element 1 and a second clamping element 3 adapted to cooperate with each other, respectively enclosing on each side of the ball 2 and thereby blocking with firmness said ball 2 in angular position. The cooperation of the clamping elements 1 and 3 with each other thus improves the angular locking of the ball 2 and the locking in the longitudinal position of the elongated element 5. This cooperation can be optimized when the first and the second element 1 and 3 are in the form of rings through which the elongate member 5 can pass and move in longitudinal translation. This embodiment has the advantage of being simple and economical to achieve, allowing to obtain a good quality of blocking. Preferably, the clamping elements 1 and 3 may comprise complementary means allowing their mutual engagement by screwing. A screw thread located on the clamping element 1 then cooperates with another complementary screw thread located on the clamping element 3, to completely secure the two clamping elements 1 and 3 in engagement with the ball joint. 2.
Pour obtenir un meilleur blocage de la rotule 2 par rapport aux éléments de serrage 1 et 3, ceux-ci peuvent présenter de manière avantageuse tout ou partie de leur face interne tournée vers la rotule 2 sensiblement complémentaire de la forme de ladite rotule 2, à savoir une forme sphérique dans l'exemple considéré ici. De cette manière, les points de contact entre les éléments de serrage 1 et 3 et la rotule 2 sont augmentés et la mise en œuvre des moyens de serrage 1 et 3 relativement à la rotule 2 offre un blocage d'autant plus important. Dans le présent exemple, la forme de la rotule 2 étant grossièrement sphérique, les éléments 1 et 3 présentent une face interne tournée vers la rotule 2 grossièrement sphérique, concave, qui est complémentaire de la forme sphérique, convexe, de la rotule 2. Dans le cas où la rotule aurait une forme non sphérique, la face interne tournée vers la rotule 2 des éléments de serrage 1 et 3 adopterait de manière tout aussi complémentaire une forme capable de s'adapter à cette forme non sphérique, c'est-à-dire d'offrir le maximum de surface de contact. To obtain a better blocking of the ball 2 with respect to the clamping elements 1 and 3, these can present in a manner advantageous all or part of their inner face facing the ball 2 substantially complementary to the shape of said ball 2, namely a spherical shape in the example considered here. In this way, the points of contact between the clamping elements 1 and 3 and the ball 2 are increased and the implementation of the clamping means 1 and 3 relative to the ball 2 provides blocking all the more important. In the present example, the shape of the ball 2 is roughly spherical, the elements 1 and 3 have an inner face facing the ball 2 substantially spherical, concave, which is complementary to the spherical shape, convex, of the ball 2. In the case where the ball would have a non-spherical shape, the inner face facing the ball 2 of the clamping elements 1 and 3 would adopt just as complementary a shape capable of adapting to this non-spherical shape, that is to say to say to offer the maximum of surface of contact.
Comme illustré sur la figure 1 et les figures 4a, 4b et 4c, les moyens de serrage 1 et 3 sont aptes à assurer le maintien du dispositif sur une paroi 6 comprenant au moins un orifice 10 offrant un passage pour l'élément allongé 5. Le moyen de serrage 1 peut, par exemple, comporter des ergots 13 avec une partie comprenant un diamètre extérieur sensiblement égal au diamètre de l'orifice et une autre partie avec un diamètre extérieur sensiblement supérieur au diamètre de l'orifice de manière à ce que le dispositif puisse être fixé sur la paroi 6 par encliquetage à travers ledit orifice. Ces ergots 13 peuvent éventuellement coopérer avec un écrou de serrage 4, tel qu'illustré sur les figures 6a et 6b, positionné sur l'élément de serrage 1 , de l'autre côté de la paroi 6 par rapport aux ergots 13, en étant par exemple plaqués contre l'élément allongé sous l'effet de l'écrou de serrage. As illustrated in FIG. 1 and FIGS. 4a, 4b and 4c, the clamping means 1 and 3 are able to hold the device on a wall 6 comprising at least one orifice 10 providing a passage for the elongated element 5. The clamping means 1 may, for example, comprise pins 13 with a portion comprising an outer diameter substantially equal to the diameter of the orifice and another portion with an outer diameter substantially greater than the diameter of the orifice so that the device can be fixed on the wall 6 by snapping through said orifice. These lugs 13 may optionally cooperate with a clamping nut 4, as shown in FIGS. 6a and 6b, positioned on the clamping element 1, on the other side of the wall 6 with respect to the lugs 13, while being for example, pressed against the elongated member under the effect of the clamping nut.
D'autres moyens de maintien des éléments de serrage 1 et 3 sur l'orifice de la paroi 6 peuvent également être envisagés, que ce soit de manière substitutive ou cumulativement à l'exemple détaillé ci-dessus. La figure 7 illustre ainsi un autre mode de réalisation dans lequel l'élément de serrage 1 présente un renflement annulaire 14 venant en appui sur la paroi 6 et permettant de stabiliser la fixation de l'ergot 13 situé de l'autre côté de la paroi 6. La figure 8 illustre une fixation renforcée de l'élément de serrage 1 avec la pose de clous 15 transperçant le renflement annulaire 14 et la paroi 6. La figure 9 illustre encore une autre fixation renforcée de l'élément de serrage 1 avec la pose de boulons 16 traversant le renflement annulaire 14 et la paroi 6. Other means for holding the clamping elements 1 and 3 on the orifice of the wall 6 can also be envisaged, whether in a substitutional way or cumulatively to the example detailed above. FIG. 7 thus illustrates another embodiment in which the clamping element 1 has an annular bulge 14 resting on the wall 6 and making it possible to stabilize the fastening of the lug 13 situated on the other side of the wall 6. Figure 8 illustrates a reinforced attachment of the clamping element 1 with the installation of nails 15 piercing the annular bulge 14 and the wall 6. Figure 9 illustrates yet another reinforced attachment of the clamping element 1 with the bolts 16 passing through the annular bulge 14 and the wall 6.
De manière avantageuse, la fixation du dispositif sur la paroi 6 peut être réalisée de manière étanche. A cet effet, un joint d'étanchéité 7 peut être disposé entre la paroi 6 et l'élément de serrage 1 de manière à ce qu'aucune fuite ne puisse survenir d'un côté à l'autre de ladite paroi 6 via l'orifice 10. Dans l'exemple de réalisation montré à la figure 10, l'élément de serrage 1 comprend un filet de vis ou filetage extérieur 17, complémentaire d'un filetage intérieur de l'écrou de serrage 4 mentionné plus haut. Le joint 4 peut être un joint torique, un joint annulaire plat ou toute autre rondelle élastique, par exemple en caoutchouc ou en élastomère ou en matériau métallique légèrement déformable à froid, comme du cuivre par exemple. Il est pincé entre la paroi 6 et l'écrou 4 lorsque ce dernier est vissé sur l'élément 1 pour venir en appui contre ladite paroi 16. Son diamètre intérieur est légèrement inférieur au diamètre intérieur du filet 17 de vis de l'élément de serrage 1 . Le filet de vis 17 peut également servir au vissage de l'élément de serrage 3 sur l'élément de serrage 1 , destiné à déformer la rotule 2. Advantageously, the attachment of the device on the wall 6 can be made in a sealed manner. For this purpose, a seal 7 may be disposed between the wall 6 and the clamping element 1 so that no leakage can occur from one side to the other of said wall 6 via the In the exemplary embodiment shown in FIG. 10, the clamping element 1 comprises a thread of screw or external thread 17, complementary to an internal thread of the clamping nut 4 mentioned above. The seal 4 may be an O-ring, a flat annular seal or any other elastic washer, for example rubber or elastomer or metal material slightly deformable cold, such as copper for example. It is pinched between the wall 6 and the nut 4 when the latter is screwed onto the element 1 to bear against said wall 16. Its inner diameter is slightly less than the inside diameter of the screw thread 17 of the element of tightening 1. The screw thread 17 can also serve to screw the clamping element 3 onto the clamping element 1, intended to deform the ball 2.
En référence aux schémas des figures 1 1 a et 1 1 b, sur lesquelles les mêmes éléments qu'aux figures 2 et 3a-3b, respectivement, portent les mêmes références, la rotule 2 est constituée au moins en partie d'un matériau élastique déformable. Il peut s'agit, par exemple, de caoutchouc ou d'élastomère. Un avantage de ce mode de réalisation est qu'il procure simultanément l'étanchéité à l'interface entre l'élément allongé 5 et l'élément de serrage 3, d'une part, et l'étanchéité à l'interface entre la paroi 6 et l'élément de serrage 1 , d'autre part. On appréciera que cette étanchéité est également obtenue par le même et unique mouvement de serrage de l'élément 3 contre l'élément 1 . Les schémas des figures 12a et 12b montrent une alternative au mode de réalisation des figures 1 1 a et 1 1 b. Dans cette variante, la rotule 2 est réalisée en matériau non déformable mais présente des entailles s'étendant de manière radiale du centre de la rotule vers sa périphérie qui forment au niveau de la paroi de la rotule des griffes élastiques longitudinales au niveau d'au moins une extrémité du conduit 8, comme dans le mode de réalisation de la figure 2 et des figures 3a et 3b. With reference to the diagrams of FIGS. 11a and 11b, on which the same elements as in FIGS. 2 and 3a-3b, respectively, bear the same references, the ball 2 consists at least in part of an elastic material deformable. It may be, for example, rubber or elastomer. An advantage of this embodiment is that it simultaneously provides the seal at the interface between the elongated element 5 and the clamping element 3, on the one hand, and the sealing at the interface between the wall 6 and the clamping element 1, on the other hand. It will be appreciated that this seal is also obtained by the same and single clamping movement of the element 3 against the element 1. The diagrams of FIGS. 12a and 12b show an alternative to the embodiment of FIGS. 11a and 11b. In this embodiment, the ball 2 is made of non-deformable material but has notches extending radially from the center of the ball towards its periphery which form at the level of the wall of the ball longitudinal elastic claws at the level of at least one end of the duct 8, as in the embodiment of Figure 2 and Figures 3a and 3b.
Toutefois, la rotule présente une gorge annulaire 19a sur sa face extérieure, par exemple au niveau de son plan hémisphérique perpendiculaire à l'axe longitudinal du conduit traversant 8 (qui coïncide avec l'axe longitudinal de l'élément allongé 5 lorsque ce dernier est logé dans la rotule). Cette gorge annulaire 19a est adaptée pour recevoir un joint 18a, par exemple un joint torique en caoutchouc ou en élastomère. Ce joint 18a assure l'étanchéité à l'interface entre la rotule 2 et l'élément de serrage 1 , lorsque l'élément 1 et l'élément 3 sont serrés ensemble, par exemple par vissage, afin de déformer la rotule 2 pour immobiliser l'élément 5.  However, the ball has an annular groove 19a on its outer face, for example at its hemispherical plane perpendicular to the longitudinal axis of the through conduit 8 (which coincides with the longitudinal axis of the elongate member 5 when the latter is lodged in the patella). This annular groove 19a is adapted to receive a seal 18a, for example an O-ring rubber or elastomer. This seal 18a seals at the interface between the ball 2 and the clamping element 1, when the element 1 and the element 3 are tightened together, for example by screwing, in order to deform the ball 2 to immobilize. Element 5.
En complément, ou indépendamment de la gorge 19a, la rotule 2 peut aussi comporter une autre gorge annulaire 19b sur sa face intérieure, par exemple au niveau du milieu de la longueur du conduit traversant 8 suivant l'axe longitudinal dudit conduit. Cette gorge annulaire 19b est adaptée pour recevoir un joint 18b, par exemple un joint torique en caoutchouc ou en élastomère. Ce joint 18b assure l'étanchéité à l'interface entre la rotule 2 et l'élément allongé 5, lorsque l'élément 1 et l'élément 3 sont serrés ensemble afin de déformer la rotule 2 pour immobiliser ledit élément 5.  In addition, or independently of the groove 19a, the ball 2 may also include another annular groove 19b on its inner face, for example at the middle of the length of the through conduit 8 along the longitudinal axis of said conduit. This annular groove 19b is adapted to receive a seal 18b, for example an O-ring rubber or elastomer. This seal 18b seals at the interface between the ball 2 and the elongated element 5, when the element 1 and the element 3 are clamped together in order to deform the ball 2 to immobilize said element 5.
L'homme du métier appréciera que, dans ce mode de réalisation également, l'étanchéité procurée par le joint 18 a et/ou par le joint 18b est également obtenue par le même et unique mouvement de serrage de l'élément 3 contre l'élément 1 . Le dispositif ainsi décrit est avantageusement maintenu sur la paroi 6 d'un appareil, ladite paroi 6 étant dotée d'au moins un orifice 10. De manière préférée, la paroi des appareils sur lesquels sont fixés les dispositifs est au moins localement plane au niveau de l'orifice 10, de manière à faciliter la fixation du dispositif. Those skilled in the art will appreciate that, in this embodiment also, the seal provided by the gasket 18a and / or by the gasket 18b is also obtained by the same and only clamping movement of the element 3 against the gasket 18a. element 1. The device thus described is advantageously maintained on the wall 6 of an apparatus, said wall 6 being provided with at least one orifice 10. Preferably, the wall of the apparatuses to which the devices are attached is less locally flat at the orifice 10, so as to facilitate the attachment of the device.
Il peut s'agir de tout type d'appareil nécessitant de positionner et de maintenir de manière étanche un élément allongé 5 à travers une paroi 6 selon un certain angle déterminé et avec une position longitudinale déterminée. De tels appareils peuvent nécessiter, par exemple, la mesure de distance de fond d'une cuve ou la mesure de seuil de détection par ultra-sons, par tige magnétostrictive, laser ou autre... Dans cet exemple d'application la paroi 6 est la paroi de la cuve. It can be any type of device requiring to position and maintain tightly an elongate member 5 through a wall 6 at a certain angle and with a determined longitudinal position. Such devices may require, for example, the measurement of the bottom distance of a tank or the ultrasonic detection threshold measurement, magnetostrictive rod, laser or other ... In this application example the wall 6 is the wall of the tank.
Un intérêt du dispositif positionné sur de tels appareils est qu'il permet le réglage avec précision des deux paramètres que sont l'angle d'orientation a et la longueur d de pénétration de l'élément allongé 5, et le blocage de l'élément allongé en position stable suivant ces deux paramètres, et ce en une seule action, à savoir une action de serrage des éléments 1 et 3. Egalement, dans des modes de réalisation, ce serrage peut assurer l'étanchéité entre l'élément allongé 5 et la rotule 2, et/ou entre la rotule 2 et l'élément de serrage 1 . De plus; l'élément de serrage 1 peut participer à l'étanchéité de la fixation du dispositif à la paroi. Toutes ces caractéristiques permettent d'assurer un nombre important de fonctions avec un nombre réduit de pièces.  An advantage of the device positioned on such devices is that it allows the precise adjustment of the two parameters that are the angle of orientation a and the penetration length d of the elongated element 5, and the blocking of the element lying in a stable position according to these two parameters, and in a single action, namely a clamping action of the elements 1 and 3. Also, in embodiments, this clamping can ensure the seal between the elongated element 5 and the ball 2, and / or between the ball 2 and the clamping element 1. Moreover; the clamping element 1 can participate in sealing the fastening of the device to the wall. All these features make it possible to ensure a large number of functions with a reduced number of parts.

Claims

REVENDICATIONS
1 . Dispositif de fixation d'un élément allongé (5), ledit dispositif comprenant : 1. Device for fixing an elongated element (5), said device comprising:
- une rotule (2) orientable angulairement, ayant un conduit traversant (8) d'axe longitudinal déterminé suivant lequel l'élément allongé (5) peut se déplacer en translation et/ou autour duquel l'élément allongé peut se déplacer en rotation,  - An angularly rotatable ball joint (2), having a through duct (8) of determined longitudinal axis in which the elongated member (5) can move in translation and / or around which the elongate member can move in rotation,
- des moyens de serrage (1 ,3) de la rotule (2) aptes à bloquer la rotule dans une position angulaire déterminée,  - clamping means (1, 3) of the ball (2) adapted to lock the ball in a specific angular position,
dans lequel la rotule (2) présente une élasticité permettant aux moyens de serrage (1 ,3) de déformer tout ou partie de la rotule (2) de manière à bloquer, en outre, l'élément allongé (5) en position longitudinale déterminée et/ou en position angulaire déterminée dans le conduit (8), in which the ball (2) has an elasticity allowing the clamping means (1, 3) to deform all or part of the ball (2) so as to lock, in addition, the elongate element (5) in the longitudinal position determined and / or in determined angular position in the duct (8),
caractérisé en ce que : characterized in that
- les moyens de serrage (1 ,3) sont aptes à assurer le maintien du dispositif sur une paroi (6) comprenant au moins un orifice offrant un passage pour l'élément allongé (5) ; et,  - The clamping means (1, 3) are adapted to ensure the maintenance of the device on a wall (6) comprising at least one orifice providing a passage for the elongated element (5); and,
- les moyens de serrage (1 ,3) sont aptes à assurer, en outre, le maintien du dispositif sur la paroi (6) et le blocage de l'élément allongé (5) de manière étanche.  - The clamping means (1, 3) are adapted to ensure, in addition, the maintenance of the device on the wall (6) and the locking of the elongate member (5) sealingly.
2. Dispositif de fixation d'un élément allongé (5) selon la revendication 1 , dans lequel les moyens de serrage (1 ,3) de la rotule (2) comprennent un premier (1 ) et un second (3) éléments de serrage aptes à coopérer l'un avec l'autre et agencés de part et d'autre de la rotule (2), respectivement. 2. Device for fixing an elongated element (5) according to claim 1, wherein the clamping means (1, 3) of the ball joint (2) comprise a first (1) and a second (3) clamping elements. adapted to cooperate with each other and arranged on both sides of the ball (2), respectively.
3. Dispositif de fixation d'un élément allongé (5) selon la revendication 2, dans lequel le premier élément (1 ) et le second élément (3) de serrage se présentent sous la forme de bagues offrant un passage pour l'élément allongé (5). An elongate element fixing device (5) according to claim 2, wherein the first element (1) and the second clamping element (3) are in the form of rings providing a passage for the elongated element. (5).
4. Dispositif de fixation d'un élément allongé (5) selon la revendication 2 ou la revendication 3, dans lequel le premier élément (1 ) et le second élément (3) de serrage comportent des moyens complémentaires permettant leur engagement mutuel par vissage. 4. Device for fixing an elongated element (5) according to claim 2 or claim 3, wherein the first element (1) and the second element (3) for clamping comprise complementary means allowing their mutual engagement by screwing.
5. Dispositif de fixation d'un élément allongé selon l'une quelconque des revendications 2 à 4, dans lequel tout ou partie d'une face interne respective de chacun des premier (1 ) et second (3) éléments de serrage tournée vers la rotule (2) est sensiblement complémentaire de la forme de la rotule (2). An elongated member fixing device according to any one of claims 2 to 4, wherein all or part of a respective inner face of each of the first (1) and second (3) clamping members facing the ball (2) is substantially complementary to the shape of the ball (2).
6. Dispositif de fixation d'un élément allongé selon l'une quelconque des revendications 1 à 5, dans lequel le conduit traversant (8) de la rotule (2) présente une forme cylindrique. 6. Fixing device of an elongated element according to any one of claims 1 to 5, wherein the conduit through (8) of the ball joint (2) has a cylindrical shape.
7. Dispositif de fixation d'un élément allongé (5) selon l'une quelconque des revendications 2 à 6, dans lequel le premier élément de serrage (1 ) comporte des ergots (13) aptes à assurer le maintien du dispositif sur la paroi (6), par encliquetage à travers ledit orifice, en coopération avec un écrou de serrage (4) agencé sur ledit premier élément de serrage de l'autre côté de la paroi par rapport aux ergots. 7. Device for fixing an elongated element (5) according to any one of claims 2 to 6, wherein the first clamping member (1) comprises lugs (13) adapted to ensure the maintenance of the device on the wall (6), snap-fitting through said hole, in cooperation with a clamping nut (4) arranged on said first clamping member on the other side of the wall with respect to the lugs.
8. Dispositif de fixation d'un élément allongé (5) selon la revendication 7, comprenant en outre un joint d'étanchéité (7) disposé entre la paroi (6) et le premier élément de serrage (1 ). An elongate member (5) according to claim 7, further comprising a seal (7) disposed between the wall (6) and the first clamping member (1).
9. Dispositif de fixation d'un élément allongé (5) selon l'une quelconque des revendications 1 à 8, dans lequel la rotule (2) présente des griffes élastiques longitudinales (9) au niveau d'au moins une extrémité du conduit (8). Fastening device of an elongated element (5) according to any one of claims 1 to 8, wherein the ball joint (2) has longitudinal elastic claws (9) at at least one end of the duct ( 8).
10. Dispositif de fixation d'un élément allongé (5) selon l'une quelconque des revendications 2 à 9, dans lequel la rotule (2) présente une gorge annulaire (19a) sur sa face extérieure, qui est adaptée pour recevoir un joint (18a) assurant l'étanchéité à l'interface entre la rotule et le premier élément de serrage (1 ), lorsque ledit premier élément de serrage et le second élément de serrage (3) sont serrés ensemble. 10. Device for fixing an elongated element (5) according to any one of claims 2 to 9, wherein the ball (2) has an annular groove (19a) on its outer face, which is adapted to receive a seal (18a) sealing at the interface between the patella and the first element of clamping (1), when said first clamping member and the second clamping member (3) are clamped together.
1 1 . Dispositif de fixation d'un élément allongé (5) selon l'une quelconque des revendications 2 à 10, dans lequel la rotule (2) présente une gorge annulaire (19b) sur la face intérieure du conduit traversant (8), qui est adaptée pour recevoir un joint (18b) assurant l'étanchéité à l'interface entre la rotule et l'élément allongé (5), lorsque le premier élément de serrage (1 ) et le second élément de serrage (3) sont serrés ensemble. 1 1. Device for fixing an elongate element (5) according to any one of claims 2 to 10, wherein the ball joint (2) has an annular groove (19b) on the inner face of the through conduit (8), which is adapted for receiving a seal (18b) sealing at the interface between the ball and the elongated member (5), when the first clamping member (1) and the second clamping member (3) are clamped together.
12. Dispositif de fixation d'un élément allongé (5) selon l'une quelconque des revendications 1 à 8, dans lequel la rotule (2) est constituée au moins en partie d'un matériau élastique déformable. 12. Device for fixing an elongated element (5) according to any one of claims 1 to 8, wherein the ball (2) is formed at least in part of a deformable elastic material.
13. Appareil comprenant une paroi (6) dotée d'au moins un orifice (10), ainsi qu'un dispositif selon l'une quelconque des revendications 1 à 12 maintenu sur la paroi (6). 13. Apparatus comprising a wall (6) having at least one orifice (10), and a device according to any one of claims 1 to 12 maintained on the wall (6).
14. Appareil selon la revendication 13, dans lequel la paroi (6) est au moins localement plane au niveau de l'orifice (10). 14. Apparatus according to claim 13, wherein the wall (6) is at least locally flat at the orifice (10).
15. Appareil selon la revendication 13 ou 14, dans lequel l'élément allongé (5) porte un capteur. Apparatus according to claim 13 or 14, wherein the elongate member (5) carries a sensor.
PCT/FR2014/053477 2013-12-23 2014-12-19 Device for securing an elongate element WO2015097388A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1363495A FR3015624B1 (en) 2013-12-23 2013-12-23 DEVICE FOR FASTENING AN EXTENDED ELEMENT
FR1363495 2013-12-23

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CN108302270A (en) * 2018-02-02 2018-07-20 五邑大学 Connection structure a kind of easy to disassemble and that fixed angle can be adjusted
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