WO2014044677A1 - Douille filetée, liaison de profilés et procédé de création d'une liaison de profilés - Google Patents

Douille filetée, liaison de profilés et procédé de création d'une liaison de profilés Download PDF

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Publication number
WO2014044677A1
WO2014044677A1 PCT/EP2013/069276 EP2013069276W WO2014044677A1 WO 2014044677 A1 WO2014044677 A1 WO 2014044677A1 EP 2013069276 W EP2013069276 W EP 2013069276W WO 2014044677 A1 WO2014044677 A1 WO 2014044677A1
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WO
WIPO (PCT)
Prior art keywords
thread
threaded sleeve
profile
internal thread
bar
Prior art date
Application number
PCT/EP2013/069276
Other languages
German (de)
English (en)
Inventor
Winfried K. W. Holscher
Original Assignee
Flaig, Hartmut
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 Flaig, Hartmut filed Critical Flaig, Hartmut
Publication of WO2014044677A1 publication Critical patent/WO2014044677A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
    • C08G77/54—Nitrogen-containing linkages
    • 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
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/187—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with sliding nuts or other additional connecting members for joining profiles provided with grooves or channels
    • 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
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/22—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using hooks or like elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/02—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives
    • B22C1/10—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by additives for special purposes, e.g. indicators, breakdown additives for influencing the hardening tendency of the mould material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/162—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents use of a gaseous treating agent for hardening the binder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/205—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of organic silicon or metal compounds, other organometallic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/22—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins
    • B22C1/2233—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of resins or rosins obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • B22C1/2273—Polyurethanes; Polyisocyanates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/54—Polycondensates of aldehydes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40—High-molecular-weight compounds
    • C08G18/54—Polycondensates of aldehydes
    • C08G18/542—Polycondensates of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • C08K5/41—Compounds containing sulfur bound to oxygen
    • C08K5/42—Sulfonic acids; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • 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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/12—Nuts or like thread-engaging members with thread-engaging surfaces formed by inserted coil-springs, discs, or the like; Independent pieces of wound wire used as nuts; Threaded inserts for holes
    • F16B37/122—Threaded inserts, e.g. "rampa bolts"
    • F16B37/125—Threaded inserts, e.g. "rampa bolts" the external surface of the insert being threaded
    • F16B37/127—Threaded inserts, e.g. "rampa bolts" the external surface of the insert being threaded and self-tapping
    • 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
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/182—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements for coaxial connections of two rods or tubes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/49—Phosphorus-containing compounds
    • C08K5/51—Phosphorus bound to oxygen
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds

Definitions

  • the invention relates to a threaded sleeve for producing a profile connection according to the preamble of claim 1, a profile connection according to claim 13, a method for producing the profile connection according to claim 14 and the use of a threaded sleeve according to claim 15 for producing a profile connection.
  • Profile joints comprising at least a first elongated profile bar, usually made of an aluminum alloy are well known.
  • usually threaded sleeves are used with external thread, which are screwed into an undercut longitudinal groove of a profiled bar and usually serve as an abutment for a screw head of a connecting screw, the connecting screw passes through a through hole of the threaded sleeve and with a screw thread with a counter bearing , in particular a groove block is screwed, which is usually in the profile of a groove orthogonal profile bar.
  • a generic profile connection is known from EP 1 574 725 B1, which comprises a threaded sleeve with external thread, wherein the threaded sleeve is provided with a female thread in a special embodiment for producing a butt joint, in which two profile bars abut one another, wherein a connecting screw , as shown in FIG. 7 of the publication, is supported with a screw head on a threaded sleeve which cooperates with the aforementioned threaded sleeve, the connecting screw being connected with its external thread to the internal thread of a threaded sleeve. is screwed and braced in this way, the profile bars against each other.
  • the known profile connection several things are perceived as disadvantageous.
  • the threaded sleeve is operable or rotatable only from one side.
  • the external thread of the threaded sleeve is formed as a forming thread with which a Spanabhub to be avoided when screwing the threaded sleeve in the profile.
  • the threaded sleeve is relatively difficult to rotate.
  • An alternative threaded connection is known from EP 0 458 069 B1, inner threaded sleeves with a self-tapping external thread being used here, which are more easily rotatable.
  • the known threaded sleeve has drive means extending on both axial ends, wherein the two end drive sections are spaced apart by a section of a passage opening which is free of internal threads.
  • the external thread of the threaded sleeve ends at a clear distance from the axial ends of the threaded sleeve.
  • the scope of the known threaded sleeve is limited - in particular no screwing with the recorded in a profile groove threaded sleeve is possible.
  • EP 0 915 262 B1 does not deal with profile connections but with the different technical field of thread inserts.
  • the European patent protects a threaded insert with axial continuous hexagonal drive which are formed in an internal thread of the threaded sleeve.
  • the threaded insert has an external thread in order to be screwed into a receiving bore, in particular a blind bore, and to provide an internal thread therein, namely the internal thread of the threaded sleeve.
  • the present invention seeks to provide an improved profile connection, which is on the one hand easy to manufacture, and on the other hand offers the greatest possible variability in the application. Furthermore, the object is to provide a suitable method for producing the profile connection and a correspondingly suitable threaded sleeve available.
  • the invention is based first of all on the idea of providing a threaded sleeve for producing a profile connection which, in addition to a drive means which can be actuated from both sides and an external thread designed as a self-tapping thread, has an internal thread. shows, with which a connecting screw, which can be screwed fixed to each other in a finished profile connection two profile bars, in particular at impact or at right angles to each other.
  • the invention provides for the thread pitch of the external thread and the thread pitch of the internal thread to be designed differently from one another in order not to be able to clamp the profile rods as previously by twisting the connecting screw, but instead by twisting the threaded sleeve relative to the then preferably fixed connecting screw , wherein for this purpose the connecting screw is screwed not only with the threaded sleeve, but also with a counter-bearing piece in the second professional bar.
  • the threaded sleeve Due to the different thread pitches of external thread and internal thread of the threaded sleeve, the threaded sleeve is thereby adjusted axially within the first profile of the first profile bar relative to the connecting screw and the second, in particular perpendicular to the first profile bar extending second profile bar, which due to the different thread pitches leads to the connecting screw is further displaced axially into the first profiled groove and the second profiled bar is adjusted due to the coupling with the counter bearing piece, in particular against an end face of the first profiled bar, and is thus clamped.
  • the threaded sleeve With regard to the specific configuration of the external thread of the threaded sleeve according to the invention, there are different possibilities.
  • This should be self-tapping according to the invention that is to say it is such that it has the associated mating thread or internal thread in which preferably formed from a light metal alloy, in particular aluminum alloy formed profile itself by the threaded sleeve is turned down into a first profile of this profile bar profile.
  • the threaded sleeve is preferably made of a harder material, in particular steel, designed as the associated profiled bar.
  • this can be designed as a cutting and self-tapping thread, whereby the thread is preferably equipped with a corresponding cutting edge, which can be realized by the provision of an interruption or recess in the external thread.
  • the external thread it is conceivable to design the external thread as exclusively reshaping and thus not machined thread.
  • headless screws i. Grub screws are used, since the clamping principle in a trained according to the concept of the invention threaded sleeve, as explained above, is different from known principles, in which a screw head of a connecting screw is supported on the front side on a female threaded threaded sleeve and with a counter bearing, in particular a sliding block , is bolted in the second profile bar.
  • the difference in thread pitches between external thread and internal thread of the connecting screw must be chosen so that by turning the threaded sleeve relative to the preferably not circumferentially moving connecting screw this axially further into the threaded sleeve or in this is adjustable to a second profile bar to brace against the first profile bar via an abutment element. It has been particularly preferred issued when the slope difference is at least 0.05, more preferably at least 0.1, even more preferably at least 0.25, even more preferably at least 0.5. Very particularly preferred is an embodiment in which the external thread is designed as a standard thread, in particular metric thread or inch thread and the internal thread as a fine thread.
  • external thread and internal thread of the threaded sleeve there are different possibilities. Particularly preferred is an embodiment in which external thread and internal thread are the same orientation, i. both are designed either as a right-hand thread or as a left-hand thread. In particular, in this case, it is particularly advantageous if, in order to achieve a tension between the first and second profile bar, the external thread has a greater pitch than the internal thread.
  • an alternative embodiment is possible in which the external thread and the internal thread are oriented in opposite directions, that is, one of the two threads is designed as a right-hand thread and the other thread as a left-hand thread.
  • the thread pitch of the external thread is smaller than that of the internal thread.
  • the drive means are formed axially continuous, so that a corresponding tool can be inserted arbitrarily deep into the threaded sleeve in order to rotate it.
  • the drive means have two from each other, in particular via an inner Winding section of the passage opening spaced drive ends, which serve for the respective (alternative) interaction with the tool.
  • the design of the drive means there are different possibilities.
  • the internal thread with a contour deviating from a circular shape, in particular a polygonal contour, very particularly preferably with a hexagonal cross section or a polygonal contour, in particular a torx contour (which only has to be partially realized), the position of the edges ( Corners of the polygonal contour) or the ends of the straight line can end at different radial positions.
  • the radially outer inflection points of the multi-round contour can end at different radial positions.
  • edges extending axially or, in the case of multi-round geometries, the points of inflection are arranged on the thread root of the internal thread.
  • the edges or points of inflection end radially within the internal thread base with radial distance to the thread root or are arranged with radial clearance outside the thread root.
  • at least one, preferably a plurality of circumferentially spaced through the longitudinal extension of the threaded sleeve extending, preferably analogous to a Torxkontur rounded grooves, the groove bottom, in particular the above-mentioned inflection point at the level of the internal thread root or with radial distance inside or outside of the internal thread base could be.
  • the aforementioned contours need not necessarily be axially continuous, which is advantageous, however, but may also extend inwardly from the axial ends and then be axially spaced apart. It is also possible and preferably provided at both axial ends radially continuous, axially outwardly open recesses watch, in particular a plurality of evenly spaced circumferentially recesses, in particular four, whereby the recesses are formed essentially lying between the recesses crenellations and the tool can axially engage in the recesses.
  • Such a design has the advantage, inter alia, that the recesses can be used at the same time for the formation of cutting edges of the threads, in which case it is preferable to dispense with an additional bore for forming the cutting edges, which is not necessary.
  • the aforementioned crenellations preferably carry on their inner circumference the internal thread or an internally threaded portion of the threaded sleeve, wherein the internal thread, as already mentioned, preferably extends axially over the entire length of the sleeve.
  • the threaded sleeve has a cylindrical envelope contour extending to the axial end.
  • the ends have centering, whereby it is basically possible to provide the external thread end with a conical envelope contour. It is also possible, especially in the case of a cylindrically tapering thread, to free a thread on the outside Provide cone section or centering, where, for example, a grading of the end portions is possible, especially in an externally threaded section.
  • the internal thread and / or the external thread of the threaded sleeve extends / extend axially in one area of the drive means and / or are provided there, in particular to possibly the majority of the axial extent of the threaded sleeve for the corresponding thread to use, with the aim of minimizing the length and the improvement of the threaded connection.
  • threaded sleeve particularly preferred is a variant of the threaded sleeve, wherein the amount of the angle of the thread contour of the external thread of the threaded sleeve forming thread flanks is the same.
  • the thread contours are symmetrical in a longitudinal sectional view, preferably in relation to a radial plane, in order to allow trouble-free screwing of the threaded sleeve from both sides.
  • the threaded sleeve wherein in addition to the provision of both axial sides operable drive means, the internal thread extends axially continuously between the axial ends.
  • the drive means and internal thread, at least in sections, are preferably axially continuous at the same axial height, which depending on the configuration of the drive means causes the internal thread in the circumferential direction is interrupted in sections and / or that the internal thread deviates from a circular shape contour having.
  • the invention also leads to a profile connection, comprising at least one first profile bar with a extending in the direction of the longitudinal extent of the profile bar, in particular undercut on both sides first profile groove into which a threaded sleeve according to the invention is screwed, which is characterized on the one hand by the fact that they are from both sides can be screwed by means of a corresponding tool in the profile, wherein the threaded sleeve is simultaneously equipped with an internal thread to (if necessary) with the, preferably at least one end having a drive connecting screw in a screwing interaction.
  • the invention provides that the external thread is a self-tapping thread.
  • a substantial functionality which can be achieved by the threaded sleeve according to the invention is to screw the connecting screw, which is preferably designed as a grub screw, both with the internal thread of the threaded sleeve and with the internal thread of a counter-bearing piece received in a second profiled bar, in particular a sliding block or a further internally threaded sleeve then by turning the threaded sleeve, in particular in the circumferential direction fixed, that is not twistable rer connecting bolt to achieve a tension of the two profile bars of the profile connection.
  • Another significant advantage of the profile connection according to the invention is also that when disassembling the connecting screw can be rotated back into the threaded sleeve, which disturbances or collisions are avoided.
  • the connecting screw is screwed through the counter bearing piece against the groove base of the profile groove receiving the counter bearing piece and a profile rod surface which is usually anodized, damaged, for example, with an axially endsei- tigen surface structure or shaping of the connecting screw.
  • the connecting screw is set in such a way, preferably the bracing of the profiled bars relative to each other by turning the threaded sleeve relative to the preferably designed as a grub screw connecting screw, in which case an electrically conductive connection between the profiled bars on the connecting screw (through the counter bearing piece through) and the threaded sleeve is ensured, which is screwed with its external thread in each other profiled bar and in turn damaged the surface and thus produces an electrically conductive connection.
  • the connecting screw which is then preferably designed as a grub screw, that is to say a headless connecting screw, be screwed both to the internal thread of the threaded sleeve and to the internal thread of the counterbearing piece.
  • a tensioning of the two profiled bars relative to each other can then be achieved in that the threaded sleeve is rotated relative to the connecting screw by interaction with the drive means, wherein for producing this bracing connection, the external thread and the internal thread of the threaded sleeve have a mutually different pitch
  • the pitch of the external thread is greater than the pitch of the internal thread.
  • the invention also leads to a process for producing a profile compound which is preferably formed as above.
  • the method relates to a special (preferred) embodiment of the profile connection, in which the outer and the inner thread of the threaded sleeve have a different thread pitch.
  • the connecting axis of rotation is preferably designed as a grub screw.
  • the method comprises the steps of screwing the threaded sleeve into the first profiled groove of the first profiled bar in such a way that the passage opening of the threaded sleeve extends parallel to the longitudinal extent of the first profiled groove.
  • Another method step is the screwing of the connecting screw with the counter-bearing piece accommodated in a second profiled bar, wherein the counter-bearing piece must of course be arranged on the second profiled bar, in particular in a second profiled groove.
  • the two profile bars are to be arranged in shock.
  • the two profile bars orthogonal, so that the connecting screw extends perpendicular to the longitudinal extent of the second profile groove.
  • the connecting screw is introduced into the counter bearing piece, in particular this interspersed, that the surface of the second profile bar, in particular the surface of the Profilnutgroundes the second profile groove is damaged and thereby an electrically conductive connection between the connecting screw and the second profiled bar is produced and via the connecting screw into the threaded sleeve in the first profiled groove and over the threaded sleeve with the first profiled bar.
  • it is provided to clamp the first and the second profiled bar by turning the threaded sleeve arranged in the first profiled groove relative to the connecting screw, preferably in a direction away from the second profiled bar.
  • the invention also applies to the use of a threaded sleeve according to the invention for the production of a preferably formed as described above profile connection, wherein the threaded sleeve has an internal thread and a cutting, self-tapping external thread to form a counter-thread in a profile of a profiled bar, wherein the threaded sleeve by appropriate training and arrangement of the drive means is operable from both sides.
  • the threaded sleeve can be further developed in the context of the disclosure of the entire application by at least one additional feature.
  • the invention also relates to the threaded sleeve, possibly in a corresponding development as such.
  • Fig. 3 shows a further alternative profile connection, in which a
  • Profile bar is fixed to a metallic plate, 4a to 4c: a possible embodiment of a threaded sleeve for producing a profile connection with two axially spaced drive ends,
  • FIG. 5a to 5c an alternative sleeve embodiment, also with two axially spaced drive ends, wherein here an alternative drive means embodiment is selected
  • Fig. 6a to 6c another alternative embodiment of a threaded sleeve for a profile connection with axially continuous drive means
  • a further alternative embodiment of a Gewin dehülse for a profile connection with provided on both axial sides drive means a preferred embodiment of a connecting screw for a profile connection
  • the profile connection comprises a first profile bar 1 made of a light metal alloy of square cross section, wherein a first undercut profile groove 2 is provided on each side surface. Furthermore, the profile connection comprises a second profile bar 3 of identical design arranged perpendicular to the first profile bar and having four second profile grooves 4 spaced uniformly in the circumferential direction.
  • a threaded sleeve 5 can be received in a first profile groove 2 of the first profile bar 1. This comprises an external thread 6, an internal thread and drive means 7, which can be actuated from two axial sides.
  • the external thread 6 is designed as a self-tapping thread, by way of example as a cutting cutting thread with corresponding cutting edges, which are formed by providing a radial bore 8.
  • the threaded sleeve 5 in Fig. 1 and a threaded sleeve 9 to be explained later are generic in nature and serve as a black box for threaded sleeves according to the invention, as these are explained for example in Figs. 4a to 7 and 9a to 9d and 10a to 10d. In principle, all threaded bushes covered by the scope of the invention can (alternatively) be used here.
  • cap screw 38 The screwed in the assembled state from one end face into the first profile groove 2 threaded sleeve 5 is penetrated by a cap screw 38, with an end-side drive 1 1 and with an external thread-free Shaft portion 12 and a screw head 13.
  • the cap screw 38 carries a screw thread 14 for cooperation with a counter bearing internal thread 15 formed as a sliding block abutment piece 16 in the second profile 4 of the second profile bar 3.
  • the cap screw 38 must first be screwed through the internal thread of the threaded sleeve 5, which is advantageous, inter alia, in that the profile connection can be delivered partially pre-assembled, namely with in In the assembled state, the cap screw 38 pulls the counter bearing 15 in the direction of the first profile bar 1 and the screw head 13 is supported on the front side of the threaded sleeve 5 from the first profile groove 2 screwed threaded sleeve.
  • FIG. 1 An alternative form of profile connection designed according to the concept of the invention is likewise shown in FIG.
  • the threaded sleeve 9 is provided in a first profiled groove 2 of the first profiled bar 1.
  • the screw thread 18 is designed to cooperate both with the internal thread of the threaded sleeve 9 and with a Gegenlager Huawei- internal thread 19 of a counter-bearing piece 20, in which case the external thread of the threaded sleeve 9 and the internal thread having a different pitch to brace the first and second profile bar 1, 3 against each other, not by turning the drive end designed as a grub screw connecting screw 10 but by actively rotating the threaded sleeve 9, preferably in an axial direction of the second profile bar away, whereby also the connecting screw 10 (preferably without being turned to be) and the second profile bar 3 are adjusted axially along the longitudinal extent of the first profile groove 2.
  • a further alternative profile connection with a first and a second profiled bar 1, 3 is provided, which are arranged in abutment.
  • a threaded sleeve 5 according to the invention with an internal thread.
  • a female thread-free sleeve 21 which is penetrated by a connecting screw 10, which is bolted to the internal thread of the threaded sleeve 5.
  • the sleeve 21 is formed according to the invention with internal thread and the connecting screw passes through this with a preferably internal thread-free shank portion axially.
  • Fig. 3 shows a further alternative profile connection with a first profil bar 1, comprising a first profile groove 2, in which a threaded sleeve 5 is received with external and internal threads and accessible from both sides drive means.
  • a connecting screw 10 is screwed, which is designed as a cap screw, wherein the screw head 13 is axially supported on a metal plate thoroughlybil- Deten component 22 having a bore 23 which is penetrated by the connecting screw 10.
  • profile bar 1 and component 22 are braced axially against each other.
  • FIGS. 4a to 4c show a first exemplary embodiment of a threaded sleeve 5 for forming a profile connection.
  • the threaded sleeve 5 comprises an external thread 6, which may be formed, for example, as a left-hand thread and an axially continuous internal thread 24, which may be formed, for example, as a right-hand thread.
  • the threads may alternatively be formed in the same direction, wherein it is generally preferred to provide different thread pitches, in particular a steeper external thread to, as already explained several times, by twisting the threaded sleeve relative to a connecting screw to achieve a tension.
  • the threaded sleeve 5 has a female thread 24 having through opening 25 for receiving a connecting screw, not shown.
  • the threaded sleeve 5 is provided with drive means 7 which can be actuated from both axial sides, the drive means in the exemplary embodiment shown having two drive sections or two drive ends 26, 27, wherein in the embodiment shown the drive ends 26, 27 comprise several, here three equally Circumferentially spaced apart, radially extending recesses 28 which extend in the axial and radial directions, and which can be actuated by means of a correspondingly shaped congruent shaped tool for rotating the threaded sleeve 5.
  • the recesses 28 serve at the same time for the formation of thread cutting edges.
  • recesses 28 are provided, but four, in order to obtain an optimized cutting result and to have one of the number of female thread sections of the profile groove different number, thereby enabling a simple and smooth insertion.
  • recesses 29 are provided on the outer circumference of the threaded sleeve 5, in order thereby to interrupt at least one thread groove and correspondingly form ing cutting edges.
  • the external thread can be formed as materialumformendes thread.
  • FIGS. 5a to 5c show an alternative embodiment of a threaded sleeve 5 with drive means 7 which can likewise be actuated from both sides.
  • these comprise a recognizable outer contour 30, the outer contour 30 having Radial distance within the internal thread ends.
  • the radially outermost regions, in this case longitudinal edges 31 of the outer contour 30, do not extend as far as the inner thread groove base 32, but may alternatively also lie on this or radially outwardly.
  • FIG. 5a an axial end portion or outer region of the threaded sleeve 5 is shown.
  • an external thread-free end portion 33 which may alternatively be stepped as shown, or alternatively, for example, with an end-side cone portion. It is possible to provide the illustrated end-side centering only on one side or on both sides, in the illustrated or in an alternative embodiment.
  • FIGS. 6a to 6c an alternative threaded sleeve 5 for forming a profile connection is shown, the main difference from the preceding embodiments being that the drive means 7 are formed axially continuous. From FIG.
  • the radially outermost longitudinal edges 31 of the outer contour 30 of the drive means 7 do not extend radially to the inner thread base 32, so that the inner thread has on its inner circumference one, here a polygonal, here hexagonal inner peripheral contour, but that Internal thread in its radially outermost region has a circular cross-sectional contour.
  • the longitudinal edges 31 of the polygonal contour lie at the radial height of the thread root, wherein It is also conceivable that they are located further outside.
  • the hexagon contour shown it is also possible to provide a different contour, for example a square contour.
  • the external thread 6 is interrupted with a radially non-continuous recess 29 so as to form cutting edges.
  • a radial passage opening can be realized, which connects the axial passage opening 25 and its inner circumference with the outer circumference.
  • FIG. 7 shows a particularly preferred embodiment of a threaded sleeve for producing a profile connection, for example shown in an exploded view in FIG. 1.
  • the threaded sleeve 5 has drive means 7, which extend to both, opposite axial ends of the threaded sleeve 5.
  • two axially spaced-apart drive ends 26, 27, each comprising four equally spaced circumferentially recesses 28 are provided, which are open to the respective axial end and formed radially continuous and thus the outer circumference and the inner circumference of the substantially cylindrical threaded sleeve with each other connect.
  • the recesses 28 have a substantially rectangular contour.
  • a part-ring-shaped in plan view pinnacle Between two circumferentially spaced recesses 28 is in each case a part-ring-shaped in plan view pinnacle.
  • the recesses 28 can cooperate by axially inserting a tool with this, in order to apply a torque to the threaded sleeve 5.
  • the contour 34 of the external thread 6 of the threaded sleeve 5 is determined or formed by two opposing lying thread flanks 35,36 which are inclined at the same angle to each other.
  • the thread contour in the longitudinal section intent shown in the left half of the drawing is symmetrical, in order to allow easy insertion of the threaded sleeve into a first profile groove from both sides.
  • FIG. 7 also shows an inner cone 37 on both axial sides, that is to say an inner phase which makes it easier to find the threaded sleeve by means of the connecting screw 10 shown by way of example in FIG. 8.
  • Fig. 8 shows a connecting screw 10 for cooperation, for example with a threaded sleeve 5 shown in FIG. 7, the connecting screw 10 has a screw head 13 with drive 1 1, wherein axially to the screw head 13, a thread-free shank portion 12 connects, to which in turn Section with the screw thread 14 connects to cooperate with an internal thread 24 of the threaded sleeve shown for example in Fig. 7.
  • the outer diameter of the shaft portion 12 corresponds to the core diameter of the internal thread passage opening 25 of the threaded sleeve 5 of FIG. 7 minus a minimum clearance.
  • no or only a short thread-free section is provided, but an external thread, which allows, for example, alternatively designed as a grub screw connecting screw both with the internal thread of the threaded sleeve and with the inner thread of a counter-bearing piece, such as a Nutstein or another Screw internal threaded sleeve.
  • a particularly preferred embodiment of a threaded sleeve 5 is provided, which in addition to an external thread 6 has an internal thread 24, wherein the pitches of internal thread 24 and external thread 26 differs, in the embodiment shown in that in co-rotating threads, the external thread has a greater pitch than the internal thread.
  • the external thread is designed as a self-tapping thread, concretely as a cutting-off, cutting thread, wherein alternatively, an embodiment can be realized as exclusively materialumformendes thread.
  • the drive means 7 have a multi-round contour, of several, here specifically six, uniformly distributed in the circumferential direction arranged roundings 39, which may end depending on the configuration at different radial positions of the screw.
  • the radially outermost regions, i. the turning points 40 of the curves on the bottom of the internal thread 24 end or protrude radially outward beyond or end radially inwardly at a distance from the bottom of the internal thread.
  • FIGS. 10a to 10d An alternative embodiment of a particularly preferred variant of a threaded sleeve is shown in FIGS. 10a to 10d.
  • This embodiment corresponds to the embodiment of FIGS. 9a to 9d, with the only difference that the drive means are formed axially continuous and not as in the embodiment of FIGS. 9a to 9d, two drive portions are spaced from each other via an internally threaded portion.
  • reference numeral 10a to 10d An alternative embodiment of a particularly preferred variant of a threaded sleeve is shown in FIGS. 10a to 10d.
  • This embodiment corresponds to the embodiment of FIGS. 9a to 9d, with the only difference that the drive means are formed axially continuous and not as in the embodiment of FIGS. 9a to 9d, two drive portions are spaced from each other via an internally threaded portion.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

L'invention concerne une douille filetée pour établir une liaison de profilés, comprenant un filetage extérieur (6) conçu comme un filetage formant des filets, en particulier exclusivement déformateur de matériau ou enlevant des copeaux et autotaraudant, une ouverture de passage pourvue d'un filetage intérieur (24) pour recevoir une vis de liaison (10) présentant un filetage ainsi que des moyens d'entraînement (7) qui s'étendent jusqu'aux deux extrémités axiales de la douille filetée (5, 9) opposées l'une à l'autre. Selon l'invention, un pas du filetage extérieur (6) et un pas du filetage intérieur (24) sont différents l'un de l'autre.
PCT/EP2013/069276 2012-09-18 2013-09-17 Douille filetée, liaison de profilés et procédé de création d'une liaison de profilés WO2014044677A1 (fr)

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DE102012108779.2A DE102012108779A1 (de) 2012-09-18 2012-09-18 Profilverbindung
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2018115358A3 (fr) * 2016-12-21 2018-08-30 Ludwig Hettich Holding Gmbh & Co. Kg Système d'assemblage ou de blindage de composants

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
DE202016004724U1 (de) 2016-08-03 2017-11-06 Isel Facility GmbH Verbindungsvorrichtung
DE102017008428A1 (de) * 2017-09-07 2019-03-07 BAER Vertriebs GmbH Eindrehvorrichtung und Verfahren zum Eindrehen einer Gewindehülse in eine Bohrung
DE102017011731A1 (de) 2017-12-13 2019-06-13 PROMESS Gesellschaft für Montage- und Prüfsysteme mbH Eckverbinder für Hohlprofilstäbe
DE202017006487U1 (de) 2017-12-13 2018-02-26 PROMESS Gesellschaft für Montage- und Prüfsysteme mbH Eckverbinder für Hohlprofilstäbe
DE102020200390A1 (de) * 2020-01-14 2021-07-15 Wolfgang Rixen Widerlagerhülse

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US2922455A (en) * 1956-11-23 1960-01-26 Groov Pin Corp Self tapping insert for interchangeable use in through grain or cross grain wooden structures
DE2136832A1 (de) * 1971-07-23 1973-02-01 Eibes Kerb Konus Gmbh Selbstschneidende gewindebuechse zum einsetzen in metallische oder nichtmetallische bauteile
DE3626172A1 (de) * 1986-08-01 1988-02-04 Precision Fasteners Selbstschneidender gewindeeinsatz
EP0458069B1 (fr) 1990-05-21 1994-01-26 Wolfgang Dipl.-Ing. Rixen Liaison transversale pour des barres profilées
EP0915262B1 (fr) 1997-11-08 2000-12-20 Kerb-Konus-Vertriebs-GmbH Douille filetée
DE202004017885U1 (de) 2004-01-22 2005-06-02 Holscher, Winfried K.W. Verbindungsvorrichtung für zwei strangartige Werkstücke
EP1574725B1 (fr) 2004-03-11 2006-11-29 Richard Band Liaison pour profilés
DE202007007550U1 (de) * 2007-05-25 2007-09-06 MÖLLER, Olaf Befestigungssystem zum Verbinden von Profilstäben

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DE202004012543U1 (de) * 2004-03-11 2004-11-25 Brand, Richard Profilverbindung

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Publication number Priority date Publication date Assignee Title
US2922455A (en) * 1956-11-23 1960-01-26 Groov Pin Corp Self tapping insert for interchangeable use in through grain or cross grain wooden structures
DE2136832A1 (de) * 1971-07-23 1973-02-01 Eibes Kerb Konus Gmbh Selbstschneidende gewindebuechse zum einsetzen in metallische oder nichtmetallische bauteile
DE3626172A1 (de) * 1986-08-01 1988-02-04 Precision Fasteners Selbstschneidender gewindeeinsatz
EP0458069B1 (fr) 1990-05-21 1994-01-26 Wolfgang Dipl.-Ing. Rixen Liaison transversale pour des barres profilées
EP0915262B1 (fr) 1997-11-08 2000-12-20 Kerb-Konus-Vertriebs-GmbH Douille filetée
DE202004017885U1 (de) 2004-01-22 2005-06-02 Holscher, Winfried K.W. Verbindungsvorrichtung für zwei strangartige Werkstücke
EP1574725B1 (fr) 2004-03-11 2006-11-29 Richard Band Liaison pour profilés
DE202007007550U1 (de) * 2007-05-25 2007-09-06 MÖLLER, Olaf Befestigungssystem zum Verbinden von Profilstäben

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Publication number Priority date Publication date Assignee Title
WO2018115358A3 (fr) * 2016-12-21 2018-08-30 Ludwig Hettich Holding Gmbh & Co. Kg Système d'assemblage ou de blindage de composants
CN110234893A (zh) * 2016-12-21 2019-09-13 卢德维希海蒂诗控股有限责任两合公司 用于接合或加强部件的系统
US11306496B2 (en) 2016-12-21 2022-04-19 Ludwig Hettich Holding Gmbh & Co. Kg Method for attaching mounted parts to concrete or masonry

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DE202012013475U1 (de) 2017-01-31

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