WO2014048989A1 - Vis de montage destinée à la fixation de ferrures sur des profilés creux, kit de vis de montage et agencement constitué d'un profilé à plusieurs chambres et d'une vis de montage - Google Patents

Vis de montage destinée à la fixation de ferrures sur des profilés creux, kit de vis de montage et agencement constitué d'un profilé à plusieurs chambres et d'une vis de montage Download PDF

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Publication number
WO2014048989A1
WO2014048989A1 PCT/EP2013/069967 EP2013069967W WO2014048989A1 WO 2014048989 A1 WO2014048989 A1 WO 2014048989A1 EP 2013069967 W EP2013069967 W EP 2013069967W WO 2014048989 A1 WO2014048989 A1 WO 2014048989A1
Authority
WO
WIPO (PCT)
Prior art keywords
mounting screw
screw according
wall
rear part
front part
Prior art date
Application number
PCT/EP2013/069967
Other languages
German (de)
English (en)
Inventor
Fabian SCHILLING
Original Assignee
Dr. Hahn Gmbh & Co. Kg
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 Dr. Hahn Gmbh & Co. Kg filed Critical Dr. Hahn Gmbh & Co. Kg
Publication of WO2014048989A1 publication Critical patent/WO2014048989A1/fr

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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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00—Features common to bolt and nut
    • F16B33/006—Non-metallic fasteners using screw-thread
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/04—Screwed connections specially modified in view of tensile load; Break-bolts for maintaining a tensile load
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06—Specially-shaped heads

Definitions

  • Mounting screw for fastening fittings to hollow chamber profiles kit of a mounting screw and arrangement of a multi-chamber profile and a mounting screw
  • the invention relates to a mounting screw for fastening of fitting parts, in particular of strip parts of multi-chamber profiles, a kit of a mounting screw and an arrangement of a multi-chamber profile and a mounting screw and also detects the combination of mounting screw and the hollow chamber profile.
  • fastening plates for fastening strip parts to multi-chamber profiles, which are inserted into a chamber of the multi-chamber profile from the open end, so that they engage behind the back of the wall on which the tape is intended to rest.
  • the mounting plates have threaded holes into which the band part passing through fastening screws are screwed.
  • the position of the threaded holes must be introduced into the multi-chamber profile walls in accordance with through holes.
  • the position of the through holes is determined for example by means of a drilling template.
  • the band parts and the through holes engaging centering sleeves are used for the exact positioning of the tape, before it is fixed by tightening the mounting screws.
  • the disadvantage of this type of attachment for example, the door hinge series 60AT the company.
  • a device for mounting fittings on multi-chamber profiles has a mounting screw and a fastening screw, wherein the mounting screw comprises an external thread of a length that several walls of the hollow chamber profile are penetrated with screwed mounting screw. At the rear end of the mounting screw an opening into the rear end side internal thread is provided, into which the fastening screw can be screwed.
  • a hexagon socket to attack a turning tool for screwing the mounting screw is incorporated into the multi-chamber profile at this front end.
  • the mounting screw has at its rear end a radial projection which provides an abutment collar.
  • the fastening screw is screwed into the multi-chamber profile so far that the abutment collar rests against the outer profile wall.
  • the fitting part which must have a centering bore adapted to the outer circumference of the abutment collar or the radial projection, is put on and fixed in the internal thread by screwing in the fastening screws.
  • Such mounting screws which are mounted prior to attachment of the fitting part and which have an internal thread for screwing in the actual fastening screw passing through the fitting part are also referred to as "screw anchors.” Admittedly, such mounting screws have proven to be reliable for securing a fitting part to a multi-chamber profile is, however, that, in particular if the multi-chamber profile has heat-insulating webs between adjacent walls, owing to which the multi-chamber profile Walls passing through mounting screw to unwanted cold spots comes.
  • Such a mounting screw (“screw anchor”) is known from EP 1 948 945 B1, in which the provision of cold bridges is avoided (insulating fastening element) .
  • This mounting screw is composed of a front metallic part and a rear part of a heat-insulating material.
  • a further mounting screw for fastening a fitting part to a multi-chamber profile is known from DE 10 2007 043 705. It has no internal thread, but serves for the direct fastening of the fitting part by itself being screwed through an adapted passage opening in the fitting part in perforations of the multi-chamber profile and the fitting part at the edge of the passage opening with its head engages behind.Such mounting screws are also referred to as "anchor bolts”.
  • the invention has set itself the task of creating an improved mounting screw, a kit for such a mounting screw and an improved arrangement of a mounting screw and a multi-chamber profile.
  • mounting bolt in the context of the invention refers to both “screw anchors” and “anchor bolts.” This object is achieved by the assembly screw recited in claim 1, by the kit set forth in claim 27 and the arrangement reproduced in claim 29 solved.
  • the mounting screw according to the invention for fastening strip parts to multi-chamber profiles comprises a thread area comprising an external thread which has a length that is greater than the distance between two adjacent walls of the multi-chamber profile.
  • the mounting screw has a seen in screwing front part, which includes an external thread and is preferably made of a metallic material.
  • the mounting screw has a central part made of a heat-insulating material, such as plastic.
  • heat-insulating is meant, in particular, a material which has a significantly smaller thermal conductivity, in particular by at least one order of magnitude, than the material of the front part
  • the mounting screw has a rear part which comprises an external thread and is preferably made of a metallic material The rear part comes into contact with an outer wall of the multi-chamber profile.
  • the rear part is preferably metallic, as preferred, a metallic drive can be provided. It can therefore be provided a key surface for the attachment of a rotary tool, which is formed of metal.
  • the load capacity of the screw connection can be increased by the preferably metallic rear part.
  • the middle part also ensures thermal insulation. It is thus created an insulating fastener with a load capacity that can be comparable to that made entirely of metal.
  • the threaded portion of the mounting screw at least partially comprises the rear part and the front part of the mounting screw, in other words: the metal parts of the mounting screw.
  • the threads of the metal parts are preferably designed so that they continue to each other without discontinuity.
  • the front, middle and rear part of the mounting screw is preferably formed integrally.
  • the middle part of the mounting screw is injection molded and more preferably injected directly into the back and front part. It is also conceivable that the connection of the middle part to the front and rear part is additionally stabilized by gluing and / or pressing.
  • the middle part of the mounting screw preferably completely separates the front part from the rear part, i. the front and rear parts do not directly adjoin one another. This achieves optimal thermal insulation. In the axial direction of the mounting screw between the front and rear parts occurring forces thus act completely on the middle part. Surprisingly, it has been shown that the mounting screw is nevertheless sufficiently resilient.
  • the middle part has axial projections, which more preferably protrude into complementary recesses of the front and rear part.
  • the axial projections preferably each have at least one key surface.
  • the axial projections therefore preferably have a cross-section which does not have a circular outline.
  • the cross section may have a polygonal outline, more preferably the axial projections have a hexagonal cross section.
  • the axial projections of the middle part preferably have radial projections.
  • the radial projections may have a circular cross-section to provide a maximum bearing surface in the axial direction. It is also conceivable that they also have a non-circular cross-section in order to increase the resistance to torsional forces.
  • the radial projections preferably engage in complementary radial recesses of the front and the rear part.
  • the rear part and the front part can be materially connected to the middle part.
  • the cohesive connection can be effected in any known manner, for example by gluing. However, it is particularly preferred to produce the cohesive connection by welding, in particular by ultrasonic welding, since this avoids the need for further materials for the production of the mounting screw according to the invention.
  • the rear part and the front part are non-positively connected to the central part.
  • a connection should be understood, which is effected by a screw.
  • the middle part is formed as a threaded piece.
  • This can then in particular comprise two threaded portions, wherein the one threaded portion engages in a complementary threaded portion of the rear part, the other threaded portion in a complementary threaded portion of the front part.
  • the threaded portions are preferably formed radially symmetrical to the central longitudinal axis of the mounting screw, i. the central longitudinal axes of the threaded portions coincide with the central longitudinal axis of the mounting screw.
  • the threaded portions of the threaded portion as internal threads, the threaded portions of the rear part and the front part are each formed as external threads.
  • a reverse training is also possible.
  • a key area is preferably provided for the selective engagement of a turning tool.
  • the wrench surface can in any way, the transmission of torque from the rotary tool in the Mounting screw allowed to be trained.
  • the key area can be formed as a hexagon socket.
  • the key face is preferably of the end of the mounting screw, as viewed in the screwing direction, i. in the assembled state from the outside of the multi-chamber profile forth, accessible.
  • the key surface is provided on the rear part. If it is intended exclusively for this rear part, the torque which must be introduced for screwing in or loosening the mounting screw via the middle part in the front part, must be transferred completely over the middle part.
  • the key face may be provided at the front part.
  • the mounting screw is a self-tapping or self-tapping screw in which a particularly high reaction moment acts on the front part during the cutting or shaping process.
  • the key surface can also be provided in both the front and the rear part. If the rotary tool is set in such a way that it interacts with both the front part and the rear part, no torques have to be transmitted via the middle part, assuming a torsional rigidity of the rotary tool, which is advantageous, depending on its load capacity can be.
  • the external thread of the front part is self-tapping or - particularly preferably - formed self-forming. This will, on the one hand, create an additional step of tapping in holes in the multi-chamber profile avoided. On the other hand - especially if the thickness of the profile walls in the region of the engagement of the mounting screw is increased by self-forming - a particularly reliable screw connection is achieved.
  • the front region of the front part of the mounting screw preferably tapers conically.
  • the mounting screw can - as already mentioned - be designed as a so-called anchor bolt.
  • the mounting screw is also suitable as a so-called screw anchor.
  • Your rear part then has an opening into the rear end threaded hole into which a screwed to be fastened fitting part machine screw is screwed.
  • the rear part of the mounting screw then preferably has a radial projection at its rear end, which on the one hand forms a contact surface on the outer wall of the multi-chamber profile, and on the other hand can provide a centering surface for the fitting part.
  • the ratio of the diameter of the radial projection to the core diameter of the mounting screw may be less than 1.5.
  • the ratio between the outer diameter to the core diameter of the external thread in the non-conical region is preferably ⁇ 1, 1.
  • the middle part may be made of plastic, which may be reinforced with fibers.
  • the fibers may, for example, be glass fibers and / or carbon fibers.
  • the plastic may be a polymer or a duromer.
  • the invention also relates to a kit of a mounting screw having a front part, a rear part and a middle part which can be screwed to the front and the rear parts to provide the mounting screw bar.
  • a mounting screw has already been described as an exemplary embodiment of such a screw in which the connection of the front and rear parts to the middle part is effected in a force-locking manner.
  • the front, middle and rear parts of the mounting bolt are separate, unassembled parts.
  • a plurality of optional usable middle parts is provided in order to vary the length of the mounting screw provided by mounting the components can.
  • the invention also relates to an arrangement comprising a multi-chamber profile comprising an outer wall and at least one inner wall which is spaced from the outer wall by a temperature insulation area, and a mounting screw of the type described above.
  • the adjacent walls of the multi-chamber profile are separated from each other by a temperature isolation region, which may be formed by two partial profiles connecting insulating webs. Since the center region of the mounting screw is preferably arranged between the two adjacent walls, when the mounting screw is in its screwed state, it does not form any significant cold bridges between the walls.
  • a further profile wall is preferably arranged in front of the above-mentioned two adjacent profile walls, more preferably exactly one, and most preferably the outer wall of the multi-chamber profile.
  • the rear part of the mounting screw already passes through at least two walls - preferably exactly two walls - of the multi-chamber profile. More preferably, the front part passes through at least one wall of the multi-chamber profile, preferably exactly one.
  • the preferred metallic rear part By already at least two walls are penetrated by the preferred metallic rear part, an increased load capacity of the screw is created.
  • the arrangement is also particularly suitable for a fire door. The first two walls of the multi-chamber profile are penetrated by the preferably metallic rear part and provide sufficient support when in case of fire, the middle part of the mounting screw and / or the insulating webs of the profile should melt.
  • Figure 1 is a side view of a first embodiment of an anchor bolt designed as mounting screw.
  • Figure 2 is a partial longitudinal section through the mounting screw shown in Figure 1 ..;
  • Fig. 3 is a cross-section along the lines III-III in Fig. 2;
  • FIG. 5 shows a longitudinal section of a second embodiment of an assembly screw designed as an anchor screw.
  • FIG. 6 shows a longitudinal section through a third embodiment of an assembly screw designed as an anchor screw.
  • FIG. 7 shows a longitudinal section through a fourth exemplary embodiment of a mounting screw designed as an anchor screw
  • FIG. 8 shows a longitudinal section through a fifth exemplary embodiment of a mounting screw designed as an anchor screw
  • FIG 9 is a longitudinal section through a sixth embodiment of an anchor bolt designed as a mounting screw.
  • FIG. 10 is a side view of a first embodiment of a screw designed as a mounting screw;
  • Fig. 1 1 is a partial longitudinal section through the mounting screw shown in Figure 10.
  • 12 shows a longitudinal section through a second embodiment of a screw designed as a mounting screw.
  • Fig. 13 is a longitudinal section through a third embodiment of a
  • FIG. 14 shows a side view of a further embodiment of a mounting screw designed as an anchor screw;
  • FIG. 15 shows a partial longitudinal section through the assembly screw shown in FIG. 10;
  • FIG. 15 shows a partial longitudinal section through the assembly screw shown in FIG. 10;
  • FIG. 16 shows different views of a mounting screw produced by means of a kit in different lengths.
  • Fig. 17 is a top view of a further example of an inventive
  • FIG. 18 shows a view according to FIG. 17 of a further example of an arrangement according to the invention.
  • mounting screw 100 is composed of three parts. It is a front part 7 is provided, which is made of a metallic material. In addition, a rear part 9 is provided, which is also made of a metallic material. These two parts are separated by a central part 8, which is formed of a heat-insulating material, in particular plastic.
  • the front part 7 and the rear part 9 each comprise an external thread 7a, 9a.
  • the mounting screw 100 has a threaded portion 4, which includes the complete front part 7, the full middle part 8 and the rear part 9 except for the radial projection 17 (FIG. 1).
  • the radial projection 17 of the rear part 9 forms the head of the mounting screw.
  • the head Towards the threaded portion, the head has a conical surface 20 with a friction device 21, for example in the form of a Corrugation or knurling 21 on.
  • the conical surface is provided for abutment with the band part 1 to be mounted, the friction device serves to increase the coefficient of friction between the conical surface and the band part and thus increasing the loosening torque of a screwed mounting screw.
  • the middle part 8 has no external thread in the illustrated embodiment, the threaded portion is thus interrupted here.
  • Fig. 4 shows an embodiment of an arrangement with this mounting screw 100 and a multi-chamber profile 2, for fixing a hinge part 1 to the multi-chamber profile 2.
  • the threaded portion 4 has a length L which is greater than that Distance A between two adjacent walls 5 and 6 of the multi-chamber profile 2 is.
  • the adjacent walls 5 and 6 are by a temperature isolation region 1 1, which is provided by insulating bars 12, separate walls.
  • the threaded region 4 thus penetrates these two adjacent walls 5 and 6.
  • These two walls 5 and 6 of the multi-chamber profile 2 are preceded by a further wall 10, which represents the outer wall of the multi-chamber profile 2.
  • the rear part 9 of the mounting screw 100 comes into contact with the outer wall 10.
  • the core diameter of the mounting screw 100 in the illustrated embodiment is 10.95 mm.
  • the head diameter M of the mounting screw 100 is about 14 mm in the illustrated embodiment.
  • the ratio of the diameter of the radial projection 17 and the head to the core diameter is thus in the illustrated embodiment 100 is about 1, third
  • the core diameter K of the threaded portion of the rear and front part 9, 7 of the mounting screw 100 corresponds approximately to the outer diameter of the middle part 8, wherein the core diameter to the front end of the front part 7 out at a constant edge height F by an amount of about the edge height F corresponds, decreases. Due to this measure, special ders good properties with respect to the self-forming of the thread in the profile walls 5, 6, 10 achieved.
  • a key surface 19 for the attachment of a turning tool In the rear end face 16 of the rear part 9 is a key surface 19 for the attachment of a turning tool. This is in the illustrated embodiment is a hexagon socket.
  • the central region 8 has a distance region 18 which completely separates and spaces the front part 7 from the rear part 9. Whose size is chosen so that a thermal insulation of the front part 7 of the mounting screw is ensured by the rear part 9. Although the mounting screw which passes through an insulating region 1 1 thermally separated profile walls 5, 6, therefore, the mounting screw is no cold bridge.
  • the middle part 8 of the mounting screw 100 is disposed in a region of the mounting screw, which between the through the insulating region 1 1 of the Multi-chamber profiles of separate profile walls 5, 6 is arranged.
  • the distance range 18 is configured without external thread. Since no profile is provided here, a continuation of the threaded portion in the middle part 8 is unnecessary.
  • Each axial projection 13, 13 ' also has two radial projections 15 of a diameter d.
  • the middle part 8 thus has four radial projections 15. Since the radial protrusions having axial projections 13, 13 'are arranged in complementary recesses 14, 14 ' of the front and rear part of the mounting screw, form the radial projections 15 undercuts, which are engaged behind by the front part 7 and the rear part 9 of the mounting screw , They therefore take in the longitudinal extent of the mounting screw 100 directed tensile forces between the front and the rear of the mounting screw 100.
  • second embodiment of an anchor bolt designed as mounting screw 200 corresponds in terms of its structure and its operation substantially to the reference to FIG. 1-3 described embodiment 100, the description of which reference is made in order to avoid repetition. In the following, only the differences between the mounting screw 100 and the other described embodiment will be illustrated.
  • the key surface 19 is not provided at the rear part 9, but at the front part 7 in the mounting screw 200.
  • a central Bore 22 is provided which extends from the head 17 through the rear part 9 and the middle part 8 to the key surface 19 of the front part 7.
  • the torque which is required for screwing in is introduced into the front part 7. This is for example advantageous if in the planned use of the mounting screw 200, for example due to the configurations or the material of the profile walls is to be expected that is to be expected for the formation of the thread in the profile walls with a very high, applied torque.
  • FIG. 6 Another embodiment of an anchor screw designed as mounting screw 300 is shown in Fig. 6 in longitudinal section.
  • This embodiment corresponds in terms of its structure and its operation in the main borrowed embodiments 100 and 200. However, it has the following difference on the latter:
  • the key surface 19 extends through the rear and middle part 9, 8 to the front Tel 7. Will now a suitable turning tool introduced into the front part 7, so no torques on the middle part of the front to the rear part or vice versa must be transmitted.
  • the middle part 8 can be designed optimized for the maximum transmission of tensile and shear forces.
  • the key face extends through the rear and middle parts 9, 8 into the front part 7.
  • the key face 19 is not up to the free end.
  • a further alternative embodiment 500 according to FIG formed the rear part 9, but only on End of a bore portion 24, whereby a attachment of a rotary tool is facilitated.
  • the key surface 19 extends through the free end of the front part 7, so that a rotary tool can also be attached from the free end of the front part 7. It is also possible, even with the other, in Fig. 5-8 illustrated embodiment 200, 300, 400, 500 form the key surface extending through the free end of the front part extending therethrough. Or, in the embodiment 100 according to FIG. 2 an accessible from the free end of the front part ago key area is provided, which ends at a still located in the front part 7 point.
  • FIGS. 10 and 11 A further exemplary embodiment 700 of a mounting screw, which is now designed as a screw anchor, are shown in FIGS. 10 and 11. Again, only the differences from the assembly screw 100 explained with reference to FIGS. 1 to 3 will be described below.
  • the essential difference between the mounting screw 700 and the mounting screw 100 is that the mounting screw 700 is now designed as a screw anchor.
  • the radial projection 17, which forms the rear end of the rear part 9, is therefore not head-shaped with conical surface and friction device, but projects beyond the core diameter K only by about twice the flank height F and forms a stop for the outer wall 10 of the multi-chamber profile.
  • the mounting screw 700 is first screwed into the multi-chamber profile 2.
  • a key surface 19 is provided for the engagement of a turning tool (not shown). It is located at the bottom of a threaded bore 23 extending from the rear end into the rear part 9.
  • This threaded bore 23 forms an internal thread, by means of which the band part can be removed after mounting the mounting screw 700 with the aid of a fastening screw, not shown in the drawing. screw, which is screwed into the internal thread of the threaded hole 23, is attached.
  • the further exemplary embodiments 800 and 900 of a mounting screw shown in FIGS. 12 and 13 are in turn screw anchors.
  • the key surface 19 -as in the exemplary embodiment 200 - is arranged in the front part 7.
  • a bore 22 is provided which passes through the rear part 9 through the threaded bore 23 and the middle part 8.
  • the mounting screw 800 corresponds to the mounting screw 700.
  • FIG. 13 in longitudinal section further embodiment 900 of a screw designed as a mounting screw comprises, in contrast to the embodiment 800, a key surface 19, which from the end of the threaded bore 23 through the rear part 9 and the middle part 8 to the front part 7 extends.
  • a key surface 19 which from the end of the threaded bore 23 through the rear part 9 and the middle part 8 to the front part 7 extends.
  • the mounting screws designed as screw anchors can be designed with regard to the arrangement and design of the key area in accordance with the anchor bolts described above.
  • FIG. 1 Another embodiment of a mounting screw 1000 is shown in Fig.
  • This mounting screw in turn comprises a rear part 9, a middle part 8 of heat-insulating, ie poor heat-conducting material, such as plastic and a front part 7.
  • the rear and the front part are made of a mechanically stable material, preferably metal.
  • the front and the rear part 7, 9 are in turn separated from each other by means of the middle part 8, ie the front and the rear part do not abut each other.
  • the front and the rear part 7, 9 in turn each have an external thread 7a, 9a.
  • the middle part is threadless and has a cylindrical shape. Its outer diameter corresponds at most to the core diameter of the adjacent external threads 7a, 9a.
  • the middle part 8 is formed as a threaded piece 25 with female thread portion 27, 28 and central bore 26.
  • Complementary external threads 27 ', 28' are provided on the mutually facing end regions 7b, 9b of the front and the rear part 7, 9, so that the two parts 7, 9 can be screwed to the threaded sleeve 26.
  • Stops that determine the distance X of the front part 7a of the rear part 9a in screwed state with the threaded portion are formed by a provided on the threaded part 25 inwardly extending radial projection 29 and paragraphs 30, 31, where the threaded piece 25th in the screwed state is applied.
  • the key surface 19 is formed in both the front and rear Tel 7, 9.
  • a significant advantage of this embodiment 1000 is that its three components - front, middle and rear part 7, 8, 9 - can be mounted by a user.
  • mounting screws 1000 which differ in the distance x their front and rear parts 7, 9 and thus in their total length, as shown in Fig. 16.
  • the mounting screw 1000 can thus be adapted to different profile variants and installation situations.
  • FIGS. 17 and 19 show different profiles and installation situations.
  • the outer wall 10 - as in the arrangement of FIG. 4 - closely adjacent an inner wall 5 of the profile provided.
  • the thread 9a of the rear part 9 of the mounting screw 1000 is engaged.
  • a short middle part 8 is used.
  • the distance between the outer wall 10 and the inner wall 5 is greater, so that the thread 9 a of the rear part 9 is only in engagement with the outer wall 10.
  • the kit may alternatively or additionally comprise a plurality of front parts 7 and / or a plurality of rear parts 9. These parts can then differ in their dimensions, materials and / or type of external thread, such as pitch, flank height, etc., in order to be able to assemble a mounting screw from the kit, the best possible adapted to the particular conditions of use by the user.

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Abstract

L'invention concerne une vis de montage destinée à la fixation de pièces (1) en forme de bandes sur un profilé à plusieurs chambres (2), comprenant une zone filetée (4) dotée d'un filetage extérieur (3), la zone filetée ayant une longueur (L) qui est supérieure à la distance (A) entre deux parois voisines (5, 6) du profilé à plusieurs chambres (2). La vis de montage comporte une partie avant (7), vue dans le sens de vissage, qui comprend un filetage (7a) et qui est fabriquée de préférence en matériau métallique. La vis de montage comporte une partie médiane (8) en matériau thermo-isolant, par exemple en matière plastique, et une partie arrière venant en contact avec une paroi extérieure (10) du profilé à plusieurs chambres, qui comprend un filetage (9a) et qui est de préférence fabriquée en matériau métallique.
PCT/EP2013/069967 2012-09-28 2013-09-25 Vis de montage destinée à la fixation de ferrures sur des profilés creux, kit de vis de montage et agencement constitué d'un profilé à plusieurs chambres et d'une vis de montage WO2014048989A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202012103721.1U DE202012103721U1 (de) 2012-09-28 2012-09-28 Montageschraube zur Befestigung von Beschlagteilen, insbesondere von Bandteilen an Hohlkammerprofilen und einem Hohlkammerprofil
DE202012103721.1 2012-09-28

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WO2014048989A1 true WO2014048989A1 (fr) 2014-04-03

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DE20218699U1 (de) 2002-12-03 2004-04-15 Fischerwerke Artur Fischer Gmbh & Co. Kg Vorrichtung zur Befestigung von Beschlagteilen an Mehrkammerprofilen
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EP1948945B1 (fr) 2005-11-15 2011-04-06 Dr. Hahn GmbH & Co. KG Vis de montage pour la fixation de pieces de ferrure, en particulier de pieces en ruban sur des profiles a chambres creuses
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Publication number Priority date Publication date Assignee Title
CN113775623A (zh) * 2021-09-02 2021-12-10 佛山市定中机械有限公司 防松紧固件、螺纹紧固套件以及螺纹紧固组件

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