{"data":{"model":{"id":"236641","slug":"locking-mechanism-for-a-shutter-einrastmechanismus","name":"locking mechanism for a shutter / Einrastmechanismus f\u00fcr eine T\u00fcr (Fallt\u00fcr, Schiebet\u00fcr) - rabbits, chicken, barn, H\u00fchner, Kaninchen, Stall","authorship":null,"club":false,"excludeCommercialUsage":false,"price":null,"eduProject":null,"ratingAvg":"0E-10","myRating":null,"ratingCount":0,"description":"

This was my first project I ever builded myself, and I am still proud of it. It is wear-free and sturdy.

This mechanism consist of only two/three printed parts:

A guiding rail (which you might split in half in order to print it)
A spike

You will also need three 3x3x3 mm neodym magnets. One will be inserted into the spike. The second needs to be inserted into the tiny pocket at the left inner side of the upper cylinder. The third is placed in the spike-shaped pocket in which the spike is being locked in. The second and third magnet need to be both fixed in the same polarity position! Fix the spike in inverted magnetic polarity with respect to the other magnets. In the first step, up in the cylinder, it will be attracted and moved into a position from which it will be pushed upwards as soon as you raise the door. When spike gets near its pocket the third magnet will attract the spike so it will automatically snap into its pocket as soon as you let the door down again. Just before, you will hear the spike snap sideways against the guiding rail. In order to release the mechanism again, the door simply has to be pulled up so that the pin in the cylinder points downwards againg due to gravity. Now the door can be lowered again.

Dies war mein erstes Projekt, das ich je selbst entwickelt habe und ich bin immer noch stolz darauf. Es ist verschlei\u00dffrei und robust. Dieser Mechanismus besteht aus nur zwei/drei gedruckten Teilen:

Eine F\u00fchrungsschiene (die ggf. in zwei H\u00e4lften geteilt und gedruckt werden muss)
Einen Dorn

Du ben\u00f6tigst au\u00dferdem drei 3x3x3 mm gro\u00dfe Neodymmagnete. Einer wird seitlich in den Dorn eingef\u00fchrt. Der zweite muss in die winzige Tasche an der linken Innenseite des oberen Zylinders eingef\u00fchrt werden. Der dritte wird in der dornf\u00f6rmige Tasche platziert, in der die Spitze einrasten soll. Der zweite und dritte Magnet m\u00fcssen beide in gleicher Polarit\u00e4tslage fixiert werden! Befestige die Spitze in umgekehrter magnetischer Polarit\u00e4t in Bezug auf die anderen Magnete. Im ersten Schritt, oben im Zylinder, wird der Dorn angezogen und in eine Position gebracht, aus der er nach oben gedr\u00fcckt wird, sobald du die T\u00fcr anhebst. Wenn sich der Dorn seiner Tasche n\u00e4hert, zieht der dritte Magnet den Dorn an, sodass er automatisch in seine Tasche einrastet, sobald du die T\u00fcr wieder herunterl\u00e4sst. Kurz zuvor kann man die Spitze die F\u00fchrungsschiene schnappen h\u00f6ren. Um den Mechanismus wieder zu l\u00f6sen, muss die T\u00fcr einfach so hoch gezogen werden, dass der Dorn im Zylinder unten durch die Schwerkraft nach unten zeigt. Nun kann die T\u00fcr wieder heruntergelassen werden.

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locking mechanism for a shutter / Einrastmechanismus für eine Tür (Falltür, Schiebetür) - rabbits, chicken, barn, Hühner, Kaninchen, Stall

Model files

Dorn.step

Dorn.step

Final Einrastmechanismus komplett.step

Final Einrastmechanismus komplett.step

Model origin

License