EP3296484B1 - Längenregulierbare verstrebungsvorrichtung - Google Patents

Längenregulierbare verstrebungsvorrichtung Download PDF

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Publication number
EP3296484B1
EP3296484B1 EP17187140.3A EP17187140A EP3296484B1 EP 3296484 B1 EP3296484 B1 EP 3296484B1 EP 17187140 A EP17187140 A EP 17187140A EP 3296484 B1 EP3296484 B1 EP 3296484B1
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EP
European Patent Office
Prior art keywords
rod
bracing device
angular position
bracing
coupling part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17187140.3A
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English (en)
French (fr)
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EP3296484A1 (de
Inventor
Charlotte FROMENTIN
Stéphane THIOLIERE
Eric Michelot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Isover SA France
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Saint Gobain Isover SA France
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Application filed by Saint Gobain Isover SA France filed Critical Saint Gobain Isover SA France
Priority to PL17187140T priority Critical patent/PL3296484T3/pl
Publication of EP3296484A1 publication Critical patent/EP3296484A1/de
Application granted granted Critical
Publication of EP3296484B1 publication Critical patent/EP3296484B1/de
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/18—Means for suspending the supporting construction
    • E04B9/20—Means for suspending the supporting construction adjustable
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/18—Means for suspending the supporting construction
    • E04B9/183—Means for suspending the supporting construction having a lower side adapted to be connected to a channel of the supporting construction

Definitions

  • This presentation relates to the doubling of structures in general, and in particular but not limited to, the doubling of frames.
  • the present disclosure relates in particular to a bracing device that can be used for fixing a backing frame to a structure to be doubled.
  • the bracing device according to the invention is particularly suitable for the doubling of old frameworks, and for the doubling of so-called "monopan" roofs.
  • the doubling of a structure uses a cladding system which usually comprises a thermal and / or acoustic insulation lining such as mineral wool, most often a membrane, for example a barrier membrane.
  • a thermal and / or acoustic insulation lining such as mineral wool, most often a membrane, for example a barrier membrane.
  • steam which is reported against the insulation pad, and facing plates such as plasterboard or false ceiling plates which constitute the cladding facing.
  • facing plates such as plasterboard or false ceiling plates which constitute the cladding facing.
  • a metal frame made of profiles is reported at a distance from the structure to be doubled, the insulation pad being interposed between the structure to be doubled and the profiles.
  • bracing devices which are used for times to remotely report the profiles, and keep in place the insulation pad and membrane.
  • the patent application WO 2009/103911 filed by the applicant, describes a spacer device of this type comprising a rod provided at its rear end with a mounting plate pierced with holes adapted to receive fastening screws to the structure to be doubled, and at its end before, a point for the skewering of the membrane, around which is reported a removable cowling head, sandwiching the membrane at the periphery of its skewed opening, the head being further dedicated to the assembly of the stem with a profile.
  • This type of device is not well suited to some sites on which the height between the structure to be doubled and the doubling is not the same over the entire area to double.
  • the operator must provide several references of the spacer device, of suitable lengths, to perform the doubling. It is necessary to perform preliminary calculations to estimate the number of lines of each length to provide, or to bring on-site surplus equipment, which can be expensive and cumbersome.
  • One of the objectives of the present invention is to provide a system for overcoming the aforementioned drawbacks.
  • the bracing device according to the invention is a device adjustable in length. Thanks to the mechanism of adjustment of the length of the body, the operator can use the same bracing device for different doubling heights.
  • the adjustment mechanism being staggered in a coarse pitch, adjustment is done quickly.
  • the operator can only choose between the different setting positions, evenly spaced. A simple calculation allows him to adjust the device to the desired length.
  • the membrane is advantageously an airtightness membrane and / or water vapor management, preferably a membrane ensuring both these functions.
  • the water vapor management membrane is advantageously a vapor barrier membrane or a hygroregulating membrane, that is to say whose permeance to water vapor varies as a function of the ambient relative humidity.
  • skewered means that the rod passes through the plane of the membrane, with or without prior drilling of said membrane.
  • the membrane can be pierced before the skewer, the rod then passing into the opening made by this prior drilling.
  • the membrane may not be pierced prior to skew, the opening being then performed by the rod itself at the time of skewering.
  • the opening through which the stem passes will be called in the following text "opening skew", whether created by the skewer or prior to the latter.
  • the bracing device further comprises means for locking in rotation of the fixing base and the rod, in the second angular position.
  • the locking means comprise clipping means.
  • the fixing base comprises a setting portion adapted to receive the rod and provided with a plurality of notches spaced axially from the coarse pitch P, and the rod comprises lugs formed at its periphery and adapted to cooperate with said notches .
  • the clipping means comprise a clipping tab delimiting a notch of the adjusting portion, said locking notch, adapted to move cooperatively with a lug of the rod during a rotation of the first to the second position. angular and to prevent the return of the pin, once the second angular position reached.
  • the device comprises means allowing the return to the first angular position under the effect of a relative rotational movement of the rod and the base of attachment, or the combined effect of a translation and of a relative rotation of the rod and the fixing base.
  • the rod has at least one axial groove and the adjustment portion has at least one internal extra thickness located in the vicinity of its front end, and adapted to slide in said groove when the rod and the adjustment part are in the first angular position.
  • the rod furthermore has a plurality of circumferential grooves extending from the axial groove and parallel to each other, the internal excess thickness of the adjusting portion being adapted to penetrate into one of said circumferential grooves during the passage of the groove. the first to the second angular position.
  • the rod has an upper safety section without circumferential grooves. Thanks to these provisions, the operator is prevented from making an assembly in which the rod and the adjustment part cooperate only over a very short length, insufficient to take up the bending forces.
  • the upper safety section extends over a length corresponding to at least three times the coarse pitch.
  • the fixing base comprises a fixing plate provided with holes for fixing it to the structure to be doubled.
  • the fixing means to the backing frame comprise clipping means zipper of the connecting piece with a profile, in particular a notch formed on the connecting piece and adapted to receive re-entrant edges of the profile to the way of a clip.
  • the spacer device comprises a first and a second jaw at the periphery of the rod, and locking means with axial clamping of the two jaws against each other, so that it clamps between they, after locking, the membrane at the periphery of its skewer opening on the rod.
  • the function of airtightness ensured by the membrane is thus restored and / or perpetuated.
  • the jaws have, after locking, a zone of continuous mutual contact and closed on itself.
  • the spacer device comprises means for immobilizing the second jaw in translation at least in the direction of the structure to be doubled.
  • These immobilizing means may for example comprise an axial abutment arranged on the rod to oppose the depression of the second jaw towards the structure to be doubled.
  • the first jaw is formed by the connecting piece.
  • the second jaw is formed by a washer disposed at the periphery of the rod.
  • the washer can for example be mounted on the periphery of the rod or be in one piece with the rod.
  • the connecting piece cooperates with the front end of the rod by means of a bayonet-type quarter-turn rotation connection system.
  • the connecting piece has at least one connecting rib
  • the rod comprises at its front end at least one assembly groove comprising an axially extending engagement section and a circumferential section extending from said engagement section, and adapted to cooperate with the connecting rib during the quarter-turn rotation, the circumferential section having a narrowing of width away from the engagement section, whereby the assembly rib is progressively tightened in the assembly groove as it rotates quarter turn. As the rotation progresses, the operator feels increasing resistance indicating the progress of the assembly.
  • the circumferential section comprises an end stop with which the rib of the coupling piece can come into contact at the end of the rotation. The contact between the rib and this limit stop identifies the end of the assembly.
  • the coupling piece has a central opening by which it is adapted to be assembled on the rod and at least one flexible fin projecting into said opening, said fin being adapted to snap into a groove of the rod, in particular by producing a sound, when the connecting piece is assembled on the rod.
  • the snap of the fin in the groove of the rod is for the operator a witness of the proper assembly of the connecting piece on the rod.
  • the bracing device further comprises a mechanism for fine adjustment of the positioning of the coupling piece on the rod, in the axial direction.
  • the fine adjustment mechanism is staggered according to a fine pitch p less than the coarse pitch P, in particular according to a fine pitch p between 0.1 and 5 mm, in particular between 0.2 and 2 mm, and more particularly between 0.5 and 1.5 mm.
  • the rod is provided, at its front end, with a fine adjustment section provided at its periphery with a plurality of primary ribs, and the connecting piece is provided with at least one secondary rib adapted to cooperate. with the primary ribs of the rod for locking in translation of the connecting piece relative to the rod.
  • the distal end of the rod is adapted to skewer a membrane. It advantageously has a tip shape, useful especially when the membrane is not pierced prior to skewering.
  • the connecting piece is provided with gripping means at its periphery, in particular a plurality of notches, for example semi-circular, regularly distributed in the circumferential direction.
  • the membrane is advantageously an airtightness membrane and / or water vapor management, preferably a membrane ensuring both these functions.
  • the water vapor management membrane is advantageously a vapor barrier membrane or a hygroregulating membrane, that is to say whose permeance to water vapor varies as a function of the ambient relative humidity.
  • a bracing device 100 according to the invention is intended to be used in particular for doubling a frame C, as shown in FIG. figure 7 .
  • the doubling of a frame C comprises a plurality of bracing devices 100 fixed on the rafters CH of the frame C, an insulating packing G skewed on the bracing devices or interposed between the devices. bridging, at least one membrane M, and a backing frame in the form of fastening profiles F for R facing plates.
  • the membrane M is generally an airtightness and / or vapor management membrane. water. It may especially be a vapor barrier membrane or a hygroregulating membrane, that is to say whose permeance to water vapor varies depending on the ambient relative humidity.
  • the frame C to be doubled is a mono-pan roof, presenting a difference in height ⁇ H of about 15-20 cm between the top and bottom of the rampant.
  • bracing devices 100 Over the entire width of the rampant, the doubling is here carried out with bracing devices 100 according to the present invention, each set to a different length adapted, as will be described in more detail below.
  • the bracing device 100 further comprises a washer 70 at the periphery of the rod (mounted at its periphery or in one piece with the rod), intended to cooperate with the connecting piece 60 to restore and / or perpetuate the sealing function of the membrane M plugged onto the rod 20 as will be described in more detail below.
  • the rod 20 is here provided with a pointed front end 20a allowing the piercing of the membrane M during its skewering on the rod 20.
  • the membrane M is indeed not pierced prior to the skewering.
  • the back of a room is designated as its nearest side of the structure to be doubled, and the front of the same room, as its nearest side of the doubling frame, in position Assembly.
  • the bracing device 100 comprises a step adjustment mechanism of the length L of the body 10, making it possible to adapt this length L and therefore at the same time the spacing between the fixing means of the base 40 and the connecting piece 60, at the planned height of the doubling.
  • the length L of the body 10 can vary thanks to the adjustment mechanism of a value between 5 and 20 cm.
  • the length adjustment is made by relative sliding of the fixing base 40 and the rod 20 in the axial direction X1, then locking in axial translation by relative rotation of the two parts 20, 40.
  • the locking in translation is done in one of several possible adjustment positions, staggered in a coarse pitch P between 0.5 and 5 cm, preferably between 0.5 and 2 cm, more preferably between 0.8 and 1.3 cm, for example equal to 1 cm as described in more detail later.
  • the rod 20 typically has a total length L1 of between 20 and 40 cm. It is for example made of a polymeric material, for example polyamide, optionally reinforced internally by a metal core.
  • the rod 20 Over most of its length L1, and in particular on its rear portion, the rod 20 has a central portion 22 of circular section with a constant diameter.
  • the rod 20 On its rear portion, the rod 20 is provided at the periphery of this central portion with a plurality of lugs 24 regularly spaced from the pitch P.
  • the rod actually comprises two diametrically opposed rows of pins 24 identical or similar, axially aligned and regularly spaced apart pitch P (here ten for each row).
  • the rod 20 further has two diametrically opposed grooves 26, each of them being rectilinear and continuous to the rear end of the rod, and extending in the axial direction X1. Only one of these grooves 26 is visible on the figure 1 .
  • the rod 20 also comprises a plurality of grooves 28 extending in the same circumferential direction from each axial groove 26. These grooves 28 said circumferential grooves are parallel to each other and spaced from the pitch P, and they are offset axially relative to the lugs 24 above, for example a distance equal to P / 2 (in the example, a lug is respectively axially centered between two circumferential grooves 28).
  • groove / section of circumferential groove (1c) is meant in the present description a groove or a groove section extending over all or only part of the circumference of the element carrying said groove.
  • the fixing base 40 comprises, in the example, a fixing plate 42 provided with holes 44 for fixing it by screwing to the structure to be doubled.
  • the mounting plate has a length L2 for example between 5 and 15cm.
  • it may have at least one oblong hole 44a as illustrated on the Figures 1 to 3 , allowing a fine adjustment of the positioning of the fastening base 40 on the chevron of the frame.
  • the fastening means to the structure to be doubled can take other forms, for example means adapted to a fixation by nailing, or notches adapted to cooperate by clipping with a profile previously fixed on the structure to be doubled, in particular adapted to receive recessed rims of said profile. It may be metal profiles, preferably C, applied to the structure to be doubled (masonry wall or structural members) with the bottom of the C facing the structure to be doubled and the opening of the C facing the doubling to to receive.
  • the attachment means to the structure can also take another form snap or snap with a corresponding shape on a batten or other profile reported on the structure to be doubled.
  • the fixing base 40 is further provided with an adjustment portion 46 of tubular shape extending along a second axis X2 and secured to the fastening means to the structure to be doubled, here the mounting plate 42.
  • the adjustment part 46 here forms a hollow tube adapted to internally receive the rod 20, the axes X1 and X2 then being merged. It comprises for this a central portion 48 of circular inner section, of diameter slightly greater than that of the rod, and two diametrically opposed housing 50a, 50b opening on said central portion 48 and extending axially, intended to receive the lugs 24 of the rod 20 in a first angular position.
  • the adjusting portion 46 is provided on its central portion 48, a plurality of notches 52 aligned in the axial direction and spaced apart pitch P.
  • the adjustment portion 46 here comprises two rows of respectively twelve notches 52, diametrically opposed.
  • the notches 52 are through holes, which allows the installer to view the setting. According to one variant, however, the notches 52 could be formed by non-through recesses formed on the inner wall of the adjustment part 46.
  • the adjustment portion 46 presents (see figure 3A ), in the vicinity of its front end, two internal thicknesses 54 diametrically opposed and sized to slide each in one of the axial grooves 26 of the rod 20 when the rod 20 and the adjusting portion 46 are in the first angular position.
  • the two oversizes 54 are spaced from the notches 52 closest to the distance P / 2 above.
  • the rod 20 is adapted to slide axially in the adjustment portion 46, so as to adjust the total length L of the body 10.
  • each lug 24 of the rod 20 located inside the adjustment portion 46 is positioned axially facing a notch 52 of the same portion 46 , and that each internal extra thickness 54 of the adjusting portion 46 is positioned axially facing one of the circumferential grooves 28 of the rod 20.
  • the corresponding positions are called, in the following, adjustment positions.
  • the rod 20 and the fixing base 40 can pivot, in one direction of rotation, so as to penetrate the lugs 24 of the rod 20 into the notches 52 of the adjustment part 46.
  • the rod 20 preferably has an upper safety section 30 without circumferential grooves 28, advantageously extending over a length L 3 corresponding to at least three times the pitch of rough adjustment P.
  • the length L3 is equal to four times the coarse pitch P: the first circumferential groove 28 is located between the fourth and the fifth lug 24, starting from the rear end 20b of the rod 20.
  • the fixing base 40 and the rod 20 are held in position after adjustment of the length L of the body 10 by means of locking in rotation of the two elements in the second angular position.
  • locking means here comprise mechanical means with stop, and more particularly clipping means, which will be described in more detail below.
  • locking notches 52a denote the notches having a rotational locking function and intermediate notches 52b the notches ensuring exclusively a locking function in translation.
  • any notch forms a housing extending in a circumferential direction, and having, in this direction, a first end 31a through which a lug 24 of the rod 20 deviating from the first angular position enters the notch, and a second end 31b towards which the same lug 24 is directed during the rotation of the first to the second angular position.
  • an intermediate notch 52b is generally delimited, in the axial direction, by two walls 32a, 32b orthogonal to X2 axis and spaced a distance equal to or slightly greater than the length of a lug 24 measured in the axial direction.
  • a locking notch 52a is delimited by a fixed wall 33a, and, in the example, by a clipping tab 34, fixed by a proximal end 34a at the first end 31a of the notch 52 and extending in a circumferential direction to its opposite distal end 34b where it is free.
  • a free space 35 located on the side of the tongue 34 opposite the notch allows the tongue to move towards said side under the pressure exerted by the pin 24 moved in the notch during a rotation of the first to the second angular position .
  • the tongue 34 further has elasticity properties allowing it to automatically return to its initial position where it forms a nonreturn stop for the lug, once the second angular position reached.
  • the clipping tongue 34 defines with the opposite wall an engagement section 36 comprising a progressive constriction 36a of minimum width less than the length of a lug 24 measured in the axial direction.
  • the tongue 34 has an engagement ramp 34c and the opposite wall has an engagement ramp 33c, the two ramps converging progressively toward each other.
  • the engagement section 36 is extended by a blocking section 37 adapted to receive the lug 24 once the second angular position reached.
  • the device 100 further comprises means allowing the return to the first angular position under the effect of a relative rotational movement of the rod 20 and the fixing base 40, or the combined effect of a relative translation and rotation of the rod 20 and the fixing base 40, as explained below.
  • the tongue 34 has in the blocking section 37 a release ramp 34d, and the opposite wall 33 has in the same way a release ramp 33d, the two ramps 33d, 34d converging the towards the other towards the engagement section 36.
  • the tongue 34 may comprise only a release ramp 33d or 34d.
  • notches 52 are provided with clipping means.
  • clipping means the force required for unclipping is not too great and the blocking is reversible. If the installer is mistaken in the adjustment of the length, he can, a posteriori, undo the blocking easily and adjust the length again.
  • the clipping by the sound it produces, also allows the installer to ensure that the rotation is complete and that the rod is securely fastened to the fixing base.
  • the connecting piece 60 is attached to the front end 20a of the rod 20 and for this purpose has a central fitting opening 62.
  • a central fitting opening 62 advantageousously, it cooperates with the front end 20a of the rod 20 by means of a locking system.
  • the connecting piece 60 has two diametrically opposed connecting ribs 64 projecting near its fitting opening 62.
  • the rod 20 correspondingly comprises, at its front end 20a, assembly grooves 80 each comprising an axially extending engagement section 82 and a circumferential section 84 extending from said engagement section 82, and adapted to cooperate with an assembly rib 64 during quarter-turn rotation.
  • Each circumferential section 84 has a width narrowing away from the engagement section 82, so that the assembly rib which is housed there is gradually tightened as the quarter turn is turned.
  • each circumferential section 84 further comprises a limit stop 86 with which the rib of the coupling piece comes into contact at the end of the rotation.
  • the connecting piece 60 also has two flexible fins 66 projecting into the fitting opening 62, said fins 66 being adapted to snap into corresponding grooves 88 of the rod 20, in particular by producing a sound, when the connecting piece 60 is assembled on the rod 20. This sound allows the installer to ensure that the connecting piece is properly mounted.
  • the connecting piece 60 performs a first assembly function of a profile of the backing frame with the spacer accessory, for fixing the facing lining.
  • such a profile also called batten or fur
  • batten is generally metallic and has a C-section with re-entrant edges pointing towards each other.
  • the connecting piece 60 is advantageously provided with at least one notch 67 adapted to receive these flanges and cooperate with them in a sliding connection.
  • the notch 67 is circumferential continuous and closed on itself.
  • the connecting piece 60 has a convex front face 68 acting in the manner of a ramp to force the elastic separation of the branches of the profile.
  • the membrane M is, because of its skewering on the rod 20, perforated around the spacer device 100.
  • a skewing opening through which the rod 20 is indeed created either by the skew, as in the example illustrated here, either before the skew. Since this opening is likely to compromise the airtightness function of the membrane M, means can however be provided to restore and / or maintain the integrity of the sealing function of this membrane M.
  • These means here comprise two annular jaws surrounding the rod 20 and locking means with axial clamping of these two jaws against each other, the two jaws pinching between them, after locking, the membrane M at the periphery of its opening concerned.
  • a similar system is already described in detail in the application WO 2009/103911 .
  • One of these two jaws is in this case constituted by the connecting piece 60.
  • the other jaw is constituted by the washer 70, illustrated in more detail on the figure 5 .
  • annular groove 90 is formed on the front end 20a of the rod 20.
  • the annular groove 90 is the space delimited by two parallel flanges, one before 92, the other rear 94, arranged at the periphery of the rod 20.
  • the washer 70 has a central fitting opening 72 lined with two clipping tabs 74 adapted to cooperate with the front collar 92 of the rod 20.
  • the rear flange 94 forms an axial abutment opposing the depression of the washer 70 in the direction of the frame C.
  • the front flange 92 forms a counterstop opposing the extraction of the washer by the front end of the rod.
  • the washer 70 is fitted onto the rod 20 after the insulating layer has been plugged onto the rod.
  • the washer 70 is force-fitted to cross the front flange 92 of the rod, the edge of its central insertion opening 72 bearing against the rear flange 94.
  • the membrane M is then plugged onto the end of the rod 20 and pressed against the washer 70 and the insulating layer.
  • the connecting piece 60 is in turn fitted on the end of the rod 20 and compresses the membrane M against the washer 70.
  • the connecting piece 60 is duly assembled on the end of the rod, the membrane M is pinched by the washer 70 and the connecting piece 60.
  • This pinching takes place here on a zone of continuous mutual contact and closed on itself.
  • This contact zone is in this case, like the jaws, annular.
  • the membrane M is then held behind the profile, away from the cladding face. A free space is thus provided between the lining and the membrane and it is then possible to install in this space cabling, pipes or equipment without damaging the membrane.
  • the filling Insulation can be provided with a built-in vapor barrier, which is pierced when seaming the gasket.
  • a pre-drilled membrane with lateral dimensions substantially smaller than those of the lining, can be fixed, in particular adhesively, to the vapor barrier.
  • the membrane is pre-drilled and thus has a skew opening for the passage of the rod without tearing of the membrane.
  • the membrane is then pinched at the periphery of the skewer opening between two jaws.
  • one of the jaws is constituted by the connecting piece 60, while the other jaw is constituted by a washer surrounding the rod and preferably formed in one piece with the rod, the lateral dimensions of the washer being greater than that of the skewed opening of the membrane.
  • FIGS. 8 to 10 illustrate a bracing device 200 according to a second embodiment of the invention.
  • the rear portion of the spacer device 200 is in all respects similar to that described in connection with the first embodiment and the preceding figures. It is not described again in detail.
  • the device 200 is different from that of the figure 1 .
  • the bracing device 200 here comprises a mechanism for fine adjustment of the positioning of the connecting piece 160 on the rod 120, in the axial direction X1.
  • This fine adjustment mechanism is for example staggered according to a fine pitch p less than the coarse pitch P, in particular according to a fine pitch p between 0.1 and 5 mm, in particular between 0.2 and 2 mm, and more particularly between 0, 5 and 1.5 mm.
  • the rod 120 is here provided at its front end 120a, a fine adjustment section 180 provided at its periphery with a plurality of primary ribs 182, regularly spaced from each other, parallel to each other, and orthogonal to the axial direction X1.
  • the rod 120 (with its ribs) is truncated on two truncated primary angular primary portions 184, diametrically opposed, each truncated primary angular portion extending over an angle strictly greater than 90 degrees, for example but not limited to between 120 and 150 degrees. Between these truncated primary portions are defined untruncated primary portions of the stem.
  • the connecting piece 160 is for its part provided with a plurality of secondary ribs 164 projecting into its fitting opening 162 and adapted to cooperate with the primary ribs 182 of the rod 120 for locking in translation of the connecting piece. 160 with respect to the rod 120.
  • the secondary ribs 164 are truncated on two angular sectors 166 of angle greater than the angle of the untruncated primary portions 186 of the rod, and diametrically opposite.
  • the connecting piece 160 is thus free to slide along the rod portion 180, in the axial direction X1, when its secondary rib portions 164 are opposite the truncated portions 184 of the rod 120 and that its truncated portions 166 are facing the untruncated portions 186 of the rod, carrying the portions of ribs (unlocked position illustrated on the figure 10 ). Conversely, the connecting piece 160 is locked in translation in the axial direction X1 along the rod 120 when its portions of secondary ribs 164 are opposite the untruncated portions 186 of the rod 120, and that its truncated portions are facing truncated portions 184 of the rod (locked position of the plate illustrated on the figure 9 ).
  • two return wings of a profile F can snap into a groove 167 formed on the connecting piece 160.
  • the connecting piece 160 here comprises a lever extension 169, adapted to abut on the profile F in the locking position of the figure 9 .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Connection Of Plates (AREA)

Claims (15)

  1. Verstrebungsvorrichtung (100, 200) für die Befestigung eines Verdoppelungsgerüsts (F) auf einer zu verdoppelnden Struktur (C), insbesondere auf einer Tragkonstruktion, wobei die Vorrichtung aufweist
    - einen Hauptkörper (10), umfassend
    • einen Schaft (20, 120), der insbesondere angepasst ist, um eine Membran (M) aufzunehmen, die auf diesem aufgesteckt ist, die sich entlang einer axial genannten Richtung (X1) erstreckt, und
    • eine Befestigungsbasis (40) an der zu verdoppelnden Struktur (C) an einem hinteren Ende (20b) des Schafts (20, 120), und
    - ein Anschlussteil (60, 160), das mit Mitteln zum Befestigen an dem Verdoppelungsgerüst (F) versehen ist, das angepasst ist, um an ein vorderes Ende (20a, 120a) des Schafts angebaut zu sein,
    wobei die Verstrebungsvorrichtung (100, 200) dadurch gekennzeichnet ist, dass sie einen stufenweisen Einstellmechanismus der Länge (L) des Körpers (10) durch relatives Gleiten der Befestigungsbasis (40) und des Schafts (20, 120) umfasst, wobei der Einstellmechanismus derart ausgelegt ist, dass die Befestigungsbasis (40) und der Schaft (20, 120) angepasst sind, um im Verhältnis zueinander in die axiale Richtung (X1) in eine erste relative Winkelposition zu gleiten, und die Befestigungsbasis (40) und der Schaft (20, 120), um zu einer zweiten relativen Winkelposition zu schwenken, in der sie in axialer Verschiebung blockiert sind, nur in einer Mehrzahl von Einstellpositionen, die in der axialen Richtung gemäß einem groben Abstand P gestaffelt sind, der zwischen 0,5 und 5 cm, bevorzugt zwischen 0,5 und 2 cm, noch bevorzugter zwischen 0,8 und 1,3 cm liegt, angepasst sind.
  2. Verstrebungsvorrichtung (100, 200) nach Anspruch 1, die außerdem Rotationsblockierungsmittel der Befestigungsbasis (40) und des Schafts (20, 120) in der zweiten Winkelposition umfasst.
  3. Verstrebungsvorrichtung (100, 200) nach Anspruch 2, wobei die Blockierungsmittel Klemmmittel umfassen.
  4. Verstrebungsvorrichtung (100, 200) nach einem der Ansprüche 1 bis 3, wobei die Befestigungsbasis (40) einen Einstellteil (46) umfasst, der angepasst ist, um den Schaft (20) aufzunehmen, und mit einer Mehrzahl von Rastkerben (52) versehen ist, die axial in dem groben Abstand P beabstandet sind, und der Schaft (20) Dorne (24) umfasst, die an seinem Umfang eingerichtet und angepasst sind, um mit den Rastkerben (52) zusammenzuwirken.
  5. Verstrebungsvorrichtung (100, 200) nach Anspruch 4, wobei der Schaft (20) mindestens eine axiale Nut (26) aufweist, und der Einstellteil (46) mindestens eine interne Überdicke (54) aufweist, die in der Nähe seines vorderen Endes liegt und angepasst ist, um in der axialen Nut (26) zu gleiten, wenn der Schaft (20) und der Einstellteil (46) in der ersten Winkelposition sind, wobei der Schaft (20) außerdem eine Mehrzahl umfänglicher Nuten (28) umfasst, die sich von der axialen Nut (26) und parallel zueinander erstrecken, wobei die interne Überdicke (54) des Einstellteils (46) angepasst ist, um in eine der umfänglichen Nuten (28) beim Übergang von der ersten in die zweite Winkelposition einzudringen.
  6. Verstrebungsvorrichtung (100, 200) nach einem der Ansprüche 1 bis 5, wobei die Befestigungsbasis (40) einen Einstellteil (46) umfasst, der angepasst ist, um den Schaft (20) aufzunehmen und mit einer Mehrzahl von Rastkerben (52) versehen ist, die axial in dem groben Abstand P beabstandet sind, und der Schaft (20) Dorne (24) umfasst, die an seinem Umfang eingerichtet und angepasst sind, um mit den Rastkerben (52) zusammenzuwirken, und wobei die Vorrichtung außerdem Rotationsblockierungsmittel der Befestigungsbasis (40) und des Schafts (20) in der zweiten Winkelposition umfasst, wobei die Blockierungsmittel Klemmmittel umfassen, und die Klemmmittel eine Klemmlasche (34) umfassen, die eine Rastenkerbe (52a) des Einstellteils (46), Blockierungsrastenkerbe genannt, abgrenzt, die angepasst ist, um sich im Zusammenwirken mit einem Dorn (24) des Schafts (20) bei einer Drehung aus der ersten in die zweite Winkelposition zu verlagern und um die Rückkehr des Dorns (24) zu verhindern, sobald die zweite Winkelposition erreicht ist.
  7. Verstrebungsvorrichtung (100, 200) nach einem der Ansprüche 1 bis 6, wobei die Befestigungsbasis (40) eine Befestigungsplatte (42) umfasst, die mit Löchern (44) zu ihrem Befestigen an der zu verdoppelnden Struktur versehen ist.
  8. Verstrebungsvorrichtung nach einem der Ansprüche 1 bis 7, wobei die Mittel zum Befestigen an dem Verdoppelungsgerüst (F) Klemmgleitverbindungsmittel des Anschlussteils (60, 160) mit einem Profil umfassen, insbesondere eine Kerbe (67, 167), die auf dem Anschlussteil gebildet und angepasst ist, um einspringende Krempen des Profils in der Art einer Klemme aufzunehmen.
  9. Verstrebungsvorrichtung (100, 200) nach einem der Ansprüche 1 bis 8, die eine erste und eine zweite Backe an dem Umfang des Schafts (20) umfasst, und Verriegelungsmittel mit axialem Spannen der zwei Backen gegeneinander derart, dass diese zwischen sich nach dem Verriegeln eine Membran (M) an dem Umfang ihrer Aufstecköffnung auf dem Schaft (20) einklemmen.
  10. Verstrebungsvorrichtung (100, 200) nach einem der Ansprüche 1 bis 9, wobei das Anschlussteil (60) mit dem vorderen Ende (20a) des Schafts (20) mittels eines Montagesystems durch Vierteldrehung vom Typ Bajonett zusammenwirkt.
  11. Verstrebungsvorrichtung (100, 200) nach einem der Ansprüche 1 bis 10, wobei das Anschlussteil (60) eine zentrale Öffnung (62) aufweist, durch die es angepasst ist, um auf dem Schaft (20) montiert zu sein, und mindestens eine biegsame Rippe (66), die in die Öffnung (62) hineinragt, wobei die Rippe (66) angepasst ist, um in einer Nut (88) des Schafts (20) einzurasten, insbesondere durch Erzeugen eines Geräuschs, wenn das Anschlussteil (60) an dem Schaft (20) montiert ist.
  12. Verstrebungsvorrichtung (100) nach einem der Ansprüche 9 bis 11, wobei die erste Backe durch das Anschlussteil (60) gebildet ist.
  13. Verstrebungsvorrichtung (200) nach einem der Ansprüche 1 bis 12, die außerdem einen Feineinstellmechanismus der Positionierung des Anschlussteils auf dem Schaft in der axialen Richtung umfasst, wobei der Feineinstellmechanismus gemäß einem feinen Abstand p gestaffelt ist, der kleiner ist als der grobe Abstand P ist, insbesondere gemäß einem feinen Abstand p, der zwischen 0,1 und 5 mm, insbesondere zwischen 0,2 und 2 mm, und genauer gesagt zwischen 0,5 und 1,5 mm liegt.
  14. Verstrebungsvorrichtung (200) nach Anspruch 13, wobei der Schaft (120) an seinem vorderen Ende (120a) mit einem Feineinstellabschnitt (180) versehen ist, der an seinem Umfang mit einer Mehrzahl von Primärrippen (182) versehen ist, und das Anschlussteil (160) mit mindestens einer Sekundärrippe (164) versehen ist, die angepasst ist, um mit den Primärrippen (182) des Schafts zum Blockieren in Verschiebung des Anschlussteils (160) bezüglich des Schafts (120) zusammenzuwirken.
  15. Verdoppelung einer Struktur, umfassend
    - eine Mehrzahl von Verstrebungsvorrichtungen (100, 200) nach einem der Ansprüche 1 bis 14,
    - mindestens eine Schicht einer Wärme- und/oder Schalldämmung (G), die auf einem der Verstrebungselemente aufgesteckt oder zwischen diesen eingefügt ist, und
    - mindestens eine Membran (M), die auf die Verstrebungselemente aufgesteckt ist.
EP17187140.3A 2016-09-14 2017-08-21 Längenregulierbare verstrebungsvorrichtung Active EP3296484B1 (de)

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FR1658568A FR3055914B1 (fr) 2016-09-14 2016-09-14 Dispositif d'entretoisement reglable en longueur

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FR3042520B1 (fr) 2015-10-14 2019-08-09 Thierry Azerad Suspente pour materiau d'isolation a verrou reversible
FR3082543B1 (fr) * 2018-06-19 2021-02-12 Saint Gobain Isover Dispositif d'entretoisement pour la fixation d'un parement
FR3103204B1 (fr) * 2019-11-18 2021-11-26 Saint Gobain Isover Accessoire d'entretoisement pour le doublage d'une paroi
FR3140393A1 (fr) 2022-10-03 2024-04-05 Zifort Dispositif d’entretoisement réglable en longueur pour la fixation d’une ossature de doublage sur une structure à doubler

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Publication number Priority date Publication date Assignee Title
CH569159A5 (en) * 1973-06-29 1975-11-14 Neomat Ag Threaded spindle for holding building facing plates - connects plate support profile to masonry wall with adjusting sleeve
FR2925929B1 (fr) * 2007-12-28 2017-01-27 Saint Gobain Isover Accessoire d'entretoisement pour le doublage d'une paroi, comportant des machoires de pincement d'une membrane isolante et dispositif de doublage de paroi comportant un tel accessoire
FR2970532B1 (fr) * 2011-01-13 2014-05-02 Lr Etanco Atel Dispositif de fixation pour un revetement isolant de batiment.
FR3021683B1 (fr) * 2014-05-28 2016-06-03 Chabanne Sas Suspente pour l'accrochage d'un rail de fixation d'un element de doublage en combinaison avec un materiau isolant et une membrane d'etancheite

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FR3055914B1 (fr) 2019-09-13
PL3296484T3 (pl) 2019-11-29
EP3296484A1 (de) 2018-03-21

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