DE3243239A1 - Bolt-locking clip - Google Patents

Bolt-locking clip

Info

Publication number
DE3243239A1
DE3243239A1 DE19823243239 DE3243239A DE3243239A1 DE 3243239 A1 DE3243239 A1 DE 3243239A1 DE 19823243239 DE19823243239 DE 19823243239 DE 3243239 A DE3243239 A DE 3243239A DE 3243239 A1 DE3243239 A1 DE 3243239A1
Authority
DE
Germany
Prior art keywords
bolt
locking
groove
gripping arms
limb
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.)
Withdrawn
Application number
DE19823243239
Other languages
German (de)
Inventor
Hans-Hellmut Dipl.-Ing. 2061 Sülfeld Ernst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ernst Hans-Hellmut Dipl-Ing 2070 Ahrensburg
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19823243239 priority Critical patent/DE3243239A1/en
Publication of DE3243239A1 publication Critical patent/DE3243239A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/02—Trunnions; Crank-pins
    • 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
    • F16B21/00—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings
    • F16B21/10—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts
    • F16B21/16—Means for preventing relative axial movement of a pin, spigot, shaft or the like and a member surrounding it; Stud-and-socket releasable fastenings by separate parts with grooves or notches in the pin or shaft
    • 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
    • F16B41/002—Measures against loss of bolts, nuts or pins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Clamps And Clips (AREA)

Abstract

The invention relates to a shaft-end lock for axial fixing and locking of smooth-shank bolts without a head, having at least one groove in a supporting hole in a limb, flange, cover or the like. In this case, two gripping arms engage into the groove of the bolt, and the locking edge of the spring limb engages behind the end of the bolt. The bolt-locking clip is thus connected in a positively-locking manner to the bolt (pin), and the bolt cannot be pressed into the supporting hole. A locking bracket, which is bent out of the plane of the gripping arms and engages behind the limb (flange, cover or the like) ensures locking against pulling out in the other direction. This type of bolt lock allows the use of cheap and simple parts (standardised parts) and increases the possibilities for installation in confined spatial conditions. <IMAGE>

Description

Bolzensicherungsclip Bolt locking clip

Die Sicherung von Bolzenverbindungen gegen axiales Verschieben ist mit verschiedenen Mitteln, mit Normteilen und normähnlichen Standardteilen möglich. Meist geschieht dies mit federnden Wellenensicherungen, die in eine Nut eingeschoben werden und selbstsichernd sind. Die axiale Fixierung des Bolzens geschieht somit über den Bolzenkopf auf der einen und der Wellenendsicherung auf der anderen Seite.The securing of bolt connections against axial displacement is possible with various means, with standard parts and standard-like standard parts. Usually this is done with resilient shaft locks that are pushed into a groove and are self-locking. The axial fixation of the bolt takes place in this way over the bolt head on one side and the shaft end lock on the other side.

Derartige Bolzensicherungen erfordern entsprechenden Bauraum wie auch Montageraum und eine gewisse Präzision hinsichtlich der Nuttoleranzen. Auch die Herstellkosten für Bolzen mit eingestochener Nut sind nicht gering.Such bolt securing devices require appropriate installation space as well Assembly space and a certain precision with regard to the groove tolerances. Also the Manufacturing costs for bolts with a pierced groove are not low.

Der Erfindung liegt die Aufgabe zugrunde, eine Bolzensicherung zu schaffen, die billiger ist, keinen Bolzenkopf erfordert, keine Längentoleranzprobleme aufwirft und - zumindest einseitig - weder Montageraum noch Bauraum benötigt.The invention is based on the object of a bolt safety device create that is cheaper, does not require a bolt head, no length tolerance problems raises and - at least on one side - requires neither assembly space nor installation space.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß ein Bolzensicherungsclip ähnlich den üblichen Wellenendsicherungen geschaffen wird, der mit der Nut des Bolzenendes eine formschlüssige und gesicherte Verbindung bildet und zusätzlich über einen Arretierbügel verfügt, der den Schenkel (Deckel, Flansch o. ä.) der Lagerbohrung umgreift und somit die axiale Fixierung realisiert.This object is achieved according to the invention in that a bolt securing clip similar to the usual shaft end locks, the one with the groove of the bolt end forms a form-fitting and secure connection and also has a locking bracket which engages around the leg (cover, flange, etc.) of the bearing bore and thus realized the axial fixation.

Somit können Bolzen einfachster Art zum Einsatz kommen, die als Massenware automatisch hergestellt werden. Auch kann diese Bolzenverbindung in schwer zugänglichen Platzverhältnissen montiert werden, da nur eine Seite erreichbar sein muß. Weiterhin spielen die Längentoleranzen von Bolzen und Nutlage keine Rolle.Thus, bolts of the simplest type can be used, which are mass-produced automatically produced. This bolt connection can also be difficult to access Space, as only one side must be accessible. Farther the length tolerances of the bolt and slot position are irrelevant.

Der Einsatz des erfindungsgemäßen Bolzensicherungsclip bietet auch die Möglichkeit der Vormontage von Bolzen in Deckeln, Flansch o. ä als sog.The use of the bolt securing clip according to the invention also offers the possibility of pre-assembly of bolts in covers, flanges, etc. as so-called

Stehbolzen. Dies eröffnet neue Wege in der weiterführenden Montage, insbesondere bei automatischer oder halbautomatischer Fertigung.Stud bolts. This opens up new ways in further assembly, especially with automatic or semi-automatic production.

Die einzige Voraussetzung für den Einsatz dieses Bolzensicherungsclip ist der Platz für den Arretierbügel, der in Form einer Ausnehmung in den jeweiligen Schenkeln, Deckeln usw. gefunden werden kann. Auch wären ohnehin vorhandene Fasen geeignet, da der Arretierbügel nicht senkrecht abgebogen sein muß, sondern eine 45°-Biegung ebenfalls die axiale Fixierung in ausreichendem Maße sicherstellen kann.The only requirement for using this bolt securing clip is the place for the locking bracket, which is in the form of a recess in the respective Legs, lids, etc. can be found. There would also be chamfers that are already present suitable because the locking bracket does not have to be bent vertically, but rather a 45 ° bend can also ensure sufficient axial fixation.

In den Zeichnungen ist eine Ausführungsform des erfindungsgemäßen Bolzensicherungsclip dargestellt Es zeigen: Fig. 1: Ein Anwendungsfall in einer Gabelkopf-Gelenkverbindung Fig. 2: Den Bolzensicherungsclip perspektivisch Die Fig. 1 zeigt einen Anwendungsfall bei beengten Raumverhältnissen neben einer Wandung 12. Der Bolzen 9 kann nur von einer Seite montiert werden und ist bezüglich der Anbringung einer Sicherung auch nur von einer Seite zugänglich. Ein Bolzen mit Kopf und Nut am Schaftende kann hier nicht eingesetzt werden. Hier bietet sich die Anwendung des erfindungsgemäßen Bolzensicherungsclipses 1 an. Ein einfacher Bolzen 9, bzw. Stift mit einer Nut 13 kann verwendet werden. Er wird von links in den Gabelkopf 7 eingeschoben. Der Bolzensicherungsclip 1 wird von oben mit seinen beiden Greifarmen 3 und 2' in die Nut 13 eingeführt. Dabei biegt der Federschenkel 2 auf. Er schnappt zurück, wenn die Sicherungskante 5 den Schaftdurchthmesser passiert hat. Bolzensicherungssclip 1 und Bolzen 9 sind somit formschlüssig miteinander verbunden. Beim Herunterschieben wurde auch der Arretierbügel 6 in die Ausnehmung 15 des Schenkels 14 eingeführt Somit ist der Schenkel zwischen den Greifarmen 3,3' und dem Arretierbügel 6 eingespannt, so daß der Bolzen 9 gegen axiales Verschieben gesichert ist.In the drawings is an embodiment of the invention Bolt securing clip shown They show: Fig. 1: An application in a Clevis joint connection Fig. 2: The bolt securing clip in perspective. 1 shows an application in confined spaces next to a wall 12. The bolt 9 can only be mounted from one side and is with respect to the Attachment of a fuse also only accessible from one side. A bolt with a head and groove at the end of the shaft cannot be used here. This is where the application comes in of the bolt securing clip 1 according to the invention. A simple bolt 9 or Pin with a groove 13 can be used. It gets into the clevis from the left 7 inserted. The bolt securing clip 1 is from above with its two gripping arms 3 and 2 'inserted into the groove 13. In the process, the spring leg 2 bends open. He snaps back when the securing edge 5 has passed the shaft diameter. Bolt locking clip 1 and bolts 9 are thus positively connected to one another. When pushing down the locking bracket 6 was also inserted into the recess 15 of the leg 14 Thus, the leg is clamped between the gripping arms 3, 3 'and the locking bracket 6, so that the bolt 9 is secured against axial displacement.

Die Ausnehmung 15 im Schenkel 14 ist nicht grundsätzlich erforderlich. Meist ist zwischen Gabelkopf 7 und Glenkkopf 8 soviel Spiel, daß der dünne Arm des Arretierbügels 6 dazwischen leicht Platz findet.The recess 15 in the leg 14 is not fundamentally required. Usually there is so much play between clevis 7 and swivel head 8 that the thin arm of the Locking bracket 6 easily finds space in between.

Die Fig. 2 zeigt den Bolzensicherungsclip 1 in perspektivischer Darstellung von hinten. Deutlich ist der Arretierbügel 6 zu erkennen, der aus der Ebene der Greifarme 3,3' herausgebogen wird. Im Federschenkel 2 befindet sich eine Bohrung 11, die größer ist als der Schaftdurchmesser des Bolzens 9. Der untere Bereich der Bohrung 11 bildet die Sicherungskante 5, die den Bolzen hintergreift und somit den Bolzensicherungsclip gegen Herausziehen sichert.Fig. 2 shows the bolt securing clip 1 in a perspective view from behind. The locking bracket 6 can clearly be seen from the plane of the Gripping arms 3.3 'is bent out. There is a hole in the spring leg 2 11, which is larger than the shank diameter of the bolt 9. The lower part of the Bore 11 forms the securing edge 5, which engages behind the bolt and thus the The bolt securing clip prevents it from being pulled out.

Benennungen 1 Bolzensicherung 2 Federschenkel 3,3' Greifarm 4 Fase 5 Sicherungskante 6 Arretierbügel 7 Gabelkopf 8 Gelenkkopf 9 Bolzen 10 11 Bohrung 12 Wandung 13 Nut 14 Schenkel (Deckel, Flansch, Wand, o. ä.) 15 Ausnehmung Designations 1 Bolt lock 2 Spring legs 3.3 'Gripper arm 4 Chamfer 5 Safety edge 6 Locking bracket 7 Clevis 8 Articulated head 9 Bolt 10 11 Hole 12 Wall 13 Groove 14 Leg (cover, flange, wall, etc.) 15 Recess

Claims (2)

Patentansprüche Bolzensicherungsclip zur axialen Fixierung und Sicherung von glattschäftigen Bolzen ohne Kopf mit mindestens einer Nut an einem Schenkel (Flansch, Deckel, Wand o. ä.), vorzugsweise in Gabelkopf-Gelenkverbindungen, dadurch g e k e n n z e i c h n e t, daß der Bolzensicherungsclip (1) über zwei Greifarme (3,3') zur Einführung in eine Nut (13) eines Bolzens (9) und einen Federschenkel (2) mit einer Sicherungskante (5) verfügt und einen Arretierbügel (6) aufweist, der zusammen mit den Greifarmen (3,3') einen Schenkel (14) umgreift. Claims Bolt locking clip for axial fixation and securing of smooth-shank bolts without a head with at least one groove on one leg (Flange, cover, wall, etc.), preferably in clevis joint connections, thereby It is not noted that the bolt securing clip (1) has two gripping arms (3, 3 ') for insertion into a groove (13) of a bolt (9) and a spring leg (2) has a securing edge (5) and has a locking bracket (6), which, together with the gripping arms (3, 3 '), engages around a leg (14). 2. Bolzensicherungsclip nach Anspruch 1, dadurch gekennzeichnet, daß der Arretierbügel (6) aus der Ebene, die die Greifarme (3,3') bilden, herausgebogen wird.2. bolt securing clip according to claim 1, characterized in that the locking bracket (6) bent out of the plane formed by the gripping arms (3, 3 ') will.
DE19823243239 1982-11-23 1982-11-23 Bolt-locking clip Withdrawn DE3243239A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19823243239 DE3243239A1 (en) 1982-11-23 1982-11-23 Bolt-locking clip

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19823243239 DE3243239A1 (en) 1982-11-23 1982-11-23 Bolt-locking clip

Publications (1)

Publication Number Publication Date
DE3243239A1 true DE3243239A1 (en) 1984-05-24

Family

ID=6178786

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19823243239 Withdrawn DE3243239A1 (en) 1982-11-23 1982-11-23 Bolt-locking clip

Country Status (1)

Country Link
DE (1) DE3243239A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960354A (en) * 1989-12-13 1990-10-02 Moore Richard B Headed fastener retainer clip
EP1085221A1 (en) * 1999-09-15 2001-03-21 ITW Automotive Products GmbH & Co. KG Fastening system
CN104454960A (en) * 2014-10-30 2015-03-25 河海大学常州校区 Pin-shaft-upper-and-lower-double-face-planed hinged connection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4960354A (en) * 1989-12-13 1990-10-02 Moore Richard B Headed fastener retainer clip
EP1085221A1 (en) * 1999-09-15 2001-03-21 ITW Automotive Products GmbH & Co. KG Fastening system
CN104454960A (en) * 2014-10-30 2015-03-25 河海大学常州校区 Pin-shaft-upper-and-lower-double-face-planed hinged connection

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: ERNST, HANS-HELLMUT, DIPL.-ING., 2070 AHRENSBURG,

8139 Disposal/non-payment of the annual fee