DE9203163U1 - Sleeve nut for high-strength thread and screw connections of wood, plastic and steel parts - Google Patents
Sleeve nut for high-strength thread and screw connections of wood, plastic and steel partsInfo
- Publication number
- DE9203163U1 DE9203163U1 DE9203163U DE9203163U DE9203163U1 DE 9203163 U1 DE9203163 U1 DE 9203163U1 DE 9203163 U DE9203163 U DE 9203163U DE 9203163 U DE9203163 U DE 9203163U DE 9203163 U1 DE9203163 U1 DE 9203163U1
- Authority
- DE
- Germany
- Prior art keywords
- sleeve nut
- plastic
- wood
- flat
- steel parts
- 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.)
- Expired - Lifetime
Links
- 239000004033 plastic Substances 0.000 title claims description 11
- 239000002023 wood Substances 0.000 title claims description 9
- 229910000831 Steel Inorganic materials 0.000 title claims description 4
- 239000010959 steel Substances 0.000 title claims description 4
- 241000755266 Kathetostoma giganteum Species 0.000 claims description 4
- 229910001369 Brass Inorganic materials 0.000 claims 1
- 239000010951 brass Substances 0.000 claims 1
- 229910001220 stainless steel Inorganic materials 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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
- F16B33/06—Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure or fretting
-
- 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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0069—Specially shaped nuts or heads of bolts or screws for rotations by a tool with holes to be engaged with corresponding pins on the tool or protruding pins to be engaged with corresponding holes on the tool
-
- 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/005—Measures against unauthorised operation of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Connection Of Plates (AREA)
- Dowels (AREA)
Description
Hülsenmutter zur hochfesten Gewinde- und Schraubenverbindung von Holz-, Kunststoff- undSleeve nut for high-strength thread and screw connections of wood, plastic and
Stahlteilen.steel parts.
Die Erfindung betrifft eine Hülsenmutter zur hochfesten Gewinde- und Schraubenverbindung von Holz-, Kunststoff- und Stahlteilen, mit gefrästem Schaft, innenliegendem Gewinde und Flachrundkopf.The invention relates to a sleeve nut for high-strength threaded and screwed connections of wood, plastic and steel parts, with a milled shaft, internal thread and flat-round head.
Derartige Hülsenmuttern sind im Stand der Technik in den verschiedensten Ausführungsformen bekannt. Sie weisen die unterschiedlichsten Nachteile auf, die z.T. auf den jeweiligen Verwendungszweck zurückzuführen sind. Bei größeren Geräten müssen z.B. Holz- oder Kunststoffeinzelteile miteinander sicher verbunden werden, so daß ihr Zusammenhalt auch unter größeren Beanspruchungen gewährleistet ist. Bekannte Hülsenmuttern werden so z.B. mit ca. 50 Newton und mehr festgezogen, was über eine Sechs- oder Achtkantbohrung und entsprechende Imbusschlüssel und dergleichen bewerkstelligt wird. Einerseits wird beim Festziehen derSuch sleeve nuts are known in the state of the art in a wide variety of designs. They have a wide variety of disadvantages, some of which are due to the respective intended use. For example, in larger devices, wooden or plastic parts must be securely connected to one another so that they remain together even under greater stress. Known sleeve nuts are tightened with around 50 Newtons and more, for example, which is achieved using a hexagon or octagonal hole and the corresponding Allen key and the like. On the one hand, when tightening the
Hülsenmutter durch die Außenkante ihres Flachrundkopfes häufig das Holz oder der Kunststoff durch das Eindringen beschädigt. Andererseits wird häufig versucht, Hülsenmuttern aus ihrer Verankerung zu lösen, wenn die Geräte öffentlich zugänglich sind, wie es bei Spiel- und Turngeräten auf Spielplätzen der Fall ist.Sleeve nuts often damage the wood or plastic by penetrating the outer edge of their flat-round head. On the other hand, attempts are often made to loosen sleeve nuts from their anchorage when the equipment is publicly accessible, as is the case with play and gymnastics equipment on playgrounds.
Der Erfindung liegt deshalb die Aufgabe zugrunde, die eingangs genannte Hülsenmutter derart zu verbessern, daß sie die geschilderten Nachteile vermeidet, d.h. ein übermäßiges Eindringen in den jeweiligen Werkstoff mit entsprechenden Entschädigungen auszuschließen und darüber hinaus das Lösen oder Entfernen derselben zu verhindern. Mit anderen Worten: Eine Schloßfunktion zum Anziehen und Lösen wird angestrebt, genauso wie eine maximale Festigkeit in unterschiedlichen Temperaturbereichen von -50eC bis +1700C. Ein weiteres Ziel der Erfindung ist es, die Sicherung der Verbindungsteile nach DIN 7926, Teil 1, 4.2.19 zu gewährleisten.The invention is therefore based on the task of improving the sleeve nut mentioned at the beginning in such a way that it avoids the disadvantages described, ie it excludes excessive penetration into the respective material with appropriate compensation and also prevents the loosening or removal of the same. In other words: A locking function for tightening and loosening is aimed for, as well as maximum strength in different temperature ranges from -50 e C to +170 0 C. A further aim of the invention is to ensure the securing of the connecting parts in accordance with DIN 7926, Part 1, 4.2.19.
Diese Aufgabe wird durch die im Anspruch 1 gekennzeichnete Hülsenmutter gelöst. Erfindungsgemäß wird dabei davon ausgegangen, den Flachrundkopf an seiner Unterseite nach oben hin abzuschrägen, so daß ein Winkel von größer als 90°, insbesondere 91° bis 95*, zwischen Unterseite des Flachrundkopfes und des Schaftes besteht. Durch dieses Merkmal wird insbesondere ein beschädigungsfreies Befestigen der Hülsenmutter an der Oberfläche der Verbindungsteile gewährleistet. Dadurch, daß mehrere voneinander beabstandete Bohrungen, insbesondere drei zylindrische Bohrungen, vorgesehen werden, die vorteilhafterweise zueinander jeweils um 120* versetzt sind, ist ein Lösen der erfindungsgemäßen Hülsenmutter mit üblichen Werkzeugen nicht mehr möglich. Hierzu bedarf es dann einer entsprechend aufgebauten Nuß bzw. Schlüssel, der form- und kraftSchluss ig in die zylindrischen Bohrungen 40 einbringbar ist. Mit der schloß-This task is solved by the sleeve nut characterized in claim 1. According to the invention, it is assumed that the flat-round head is beveled upwards on its underside so that an angle of greater than 90°, in particular 91° to 95°, exists between the underside of the flat-round head and the shaft. This feature ensures that the sleeve nut is attached to the surface of the connecting parts without causing damage. Because several spaced-apart holes, in particular three cylindrical holes, are provided, which are advantageously offset from one another by 120°, it is no longer possible to loosen the sleeve nut according to the invention with conventional tools. This requires a correspondingly constructed nut or key that can be inserted into the cylindrical holes 40 in a form-fitting and force-fitting manner. The lockable
artigen Anordnung der zylindrisch versenkten Bohrungen im Flachrundkopf ist die erfindungsgemäße Hülsenmutter gegen unbefugtes Abschrauben oder Lösen vollständig gesichert. Dabei können erfindungsgemäß die Verbindungsteile aus Holz/Holz, Holz/Kunststoff, Holz/Metall, Kunststoff/Kunststoff und Kunststoff/Metall bestehen. Wie schon erwähnt, wird die Oberfläche, d.h. der Mutternrand, nicht eingedrückt. Durch die erfindungsgemäß vorgesehene Abschrägung unter dem Flachrundkopf wird ein höherer Nm-Wert erreicht. Das im Holzbau/Spielgerätebau erforderliche Versenken von Schrauben und Muttern entfällt genauso, wie das Vorsehen irgendwelcher Unterlegscheiben. Die Sicherung von Verbindungsteilen nach DIN 7926, Teil 1, 4.2.19 und die Oberflächenbeschaffenheit im Spielgerätebereich Teil 1, 4.2.7 ist somit erfüllt.Due to the cylindrically countersunk holes in the flat-head, the sleeve nut according to the invention is completely secured against unauthorized unscrewing or loosening. According to the invention, the connecting parts can be made of wood/wood, wood/plastic, wood/metal, plastic/plastic and plastic/metal. As already mentioned, the surface, i.e. the edge of the nut, is not dented. A higher Nm value is achieved by the bevel under the flat-head provided according to the invention. The countersinking of screws and nuts required in wood construction/play equipment construction is eliminated, as is the provision of any washers. The securing of connecting parts according to DIN 7926, Part 1, 4.2.19 and the surface quality in the play equipment area Part 1, 4.2.7 are thus fulfilled.
Weitere Vorteile und Merkmale ergeben sich aus den nachstehenden Unteransprüchen.Further advantages and features emerge from the following subclaims.
Im folgenden wird ein bevorzugtes Ausführungsbeispiel unter Bezugnahme auf die Zeichnung näher erläutert.In the following, a preferred embodiment is explained in more detail with reference to the drawing.
Es zeigt:It shows:
Fig. 1 eine Querschnittsansicht der erfindungsgemäßen Hülsenmutter;Fig. 1 is a cross-sectional view of the sleeve nut according to the invention;
Fig. 2 eine Draufsicht auf die in Fig. 1 gezeigte erfindungsgemäße Hülsenmutter; undFig. 2 is a plan view of the sleeve nut according to the invention shown in Fig. 1; and
Fig. 3 zeigt eine Querschnittsansicht einerFig. 3 shows a cross-sectional view of a
Nuß zusammen mit der im Anschnitt dargestellten erfindungsgemäßen Hülsenmutter.Nut together with the sleeve nut according to the invention shown in section.
In Fig. 1 ist die erfindungsgemäße Hülsenmutter allgemein mit 10 bezeichnet und im Maßstab 4 : 1 dargestellt. Sie besteht aus Vanadium. Andere Größen und Materialien sind jedoch für den Fachmann denkbar.In Fig. 1, the sleeve nut according to the invention is generally designated 10 and shown on a scale of 4:1. It is made of vanadium. However, other sizes and materials are conceivable for the person skilled in the art.
Die Hülsenmutter 10 weist einen gefrästen Schaft 11 mit innenliegendem Gewinde 12 und einem Flachrundkopf 13 auf. Während üblicherweise der Winkel zwischen Unterseite 16 des Flachrundkopfes 13 und des Schaftes 11 90° beträgt, ist erfindungsgemäß ein größerer Winkel vorgesehen, der im vorliegenden Fall 91° beträgt. Es sind jedoch auch noch größere Winkel 15 denkbar, die insbesondere von den Materialeigenschaften abhängig sind.The sleeve nut 10 has a milled shaft 11 with an internal thread 12 and a flat-round head 13. While the angle between the underside 16 of the flat-round head 13 and the shaft 11 is usually 90°, according to the invention a larger angle is provided, which in the present case is 91°. However, even larger angles 15 are also conceivable, which depend in particular on the material properties.
Fig. 2 zeigt drei zylindrische, gleichmäßig voneinander beabstandete Bohrungen 14, die zueinander jeweils um 120° versetzt und mit ihrem Mittelpunkt um den Gewinderand 12 angeordnet sind. Mit herkömmlichen Nüssen oder Schlüsseln (nicht gezeigt) kann eine angezogene, erfindungsgemäße Hülsenmutter nicht gelöst werden. Hierzu bedarf es einer entsprechend aufgebauten Nuß, die drei Zapfen (19) besitzt, welche paßgerecht in die zylindrischen Bohrungen 14 eingreifen.Fig. 2 shows three cylindrical holes 14 that are evenly spaced apart from one another, each offset by 120° and arranged with their center point around the thread edge 12. A tightened sleeve nut according to the invention cannot be loosened with conventional nuts or wrenches (not shown). This requires a suitably constructed nut that has three pins (19) that fit snugly into the cylindrical holes 14.
Eine entsprechend aufgebaute Nuß ist in Fig. 3 gezeigt und allgemein mit 20 bezeichnet.A correspondingly constructed nut is shown in Fig. 3 and generally designated 20.
Claims (5)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9203163U DE9203163U1 (en) | 1992-03-10 | 1992-03-10 | Sleeve nut for high-strength thread and screw connections of wood, plastic and steel parts |
| DE4244102A DE4244102C2 (en) | 1992-03-10 | 1992-12-24 | Sleeve nut for high-strength thread and screw connection of wooden, plastic and metal parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9203163U DE9203163U1 (en) | 1992-03-10 | 1992-03-10 | Sleeve nut for high-strength thread and screw connections of wood, plastic and steel parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE9203163U1 true DE9203163U1 (en) | 1992-04-23 |
Family
ID=6877067
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE9203163U Expired - Lifetime DE9203163U1 (en) | 1992-03-10 | 1992-03-10 | Sleeve nut for high-strength thread and screw connections of wood, plastic and steel parts |
| DE4244102A Expired - Fee Related DE4244102C2 (en) | 1992-03-10 | 1992-12-24 | Sleeve nut for high-strength thread and screw connection of wooden, plastic and metal parts |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE4244102A Expired - Fee Related DE4244102C2 (en) | 1992-03-10 | 1992-12-24 | Sleeve nut for high-strength thread and screw connection of wooden, plastic and metal parts |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE9203163U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0841129A1 (en) * | 1996-11-05 | 1998-05-13 | Johann Kretzer GmbH & Co. | Threaded connection. |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29706888U1 (en) * | 1997-04-16 | 1997-05-28 | Schlick Roto-Jet Maschinenbau GmbH, 48629 Metelen | Centrifugal wheel for a centrifugal blasting machine for the surface treatment of objects |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE821445C (en) * | 1950-06-14 | 1951-11-19 | Norbert A Kreuz | Safety thread nut with safety socket wrench |
| DE1775018A1 (en) * | 1967-06-28 | 1971-06-03 | Standard Pressed Steel Co | Sealing, thread-bearing fastener |
| FR2241212A5 (en) * | 1973-08-17 | 1975-03-14 | Korte Wilhelmus | Bolt for attaching facing materials to walls - thread resists axial removal of elastically deformable cap |
| GB2095356A (en) * | 1981-03-24 | 1982-09-29 | Groppo Domenico | Antitheft device for bolts or nuts |
| EP0077659B1 (en) * | 1981-10-15 | 1987-01-21 | Loctite Corporation | A polymerisable fluid |
| US4770582A (en) * | 1984-02-25 | 1988-09-13 | A. Raymond | Press-type fastener for threaded pins |
| DE8906633U1 (en) * | 1989-05-30 | 1989-08-10 | Forchhammer, Michael, 8000 München | Flat head nut with square neck for producing flat head screws of any length with square neck |
-
1992
- 1992-03-10 DE DE9203163U patent/DE9203163U1/en not_active Expired - Lifetime
- 1992-12-24 DE DE4244102A patent/DE4244102C2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE821445C (en) * | 1950-06-14 | 1951-11-19 | Norbert A Kreuz | Safety thread nut with safety socket wrench |
| DE1775018A1 (en) * | 1967-06-28 | 1971-06-03 | Standard Pressed Steel Co | Sealing, thread-bearing fastener |
| FR2241212A5 (en) * | 1973-08-17 | 1975-03-14 | Korte Wilhelmus | Bolt for attaching facing materials to walls - thread resists axial removal of elastically deformable cap |
| GB2095356A (en) * | 1981-03-24 | 1982-09-29 | Groppo Domenico | Antitheft device for bolts or nuts |
| EP0077659B1 (en) * | 1981-10-15 | 1987-01-21 | Loctite Corporation | A polymerisable fluid |
| US4770582A (en) * | 1984-02-25 | 1988-09-13 | A. Raymond | Press-type fastener for threaded pins |
| DE8906633U1 (en) * | 1989-05-30 | 1989-08-10 | Forchhammer, Michael, 8000 München | Flat head nut with square neck for producing flat head screws of any length with square neck |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0841129A1 (en) * | 1996-11-05 | 1998-05-13 | Johann Kretzer GmbH & Co. | Threaded connection. |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4244102C2 (en) | 1996-02-22 |
| DE4244102A1 (en) | 1993-09-23 |
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