EP2039873B1 - Casing - Google Patents

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Publication number
EP2039873B1
EP2039873B1 EP08016042.7A EP08016042A EP2039873B1 EP 2039873 B1 EP2039873 B1 EP 2039873B1 EP 08016042 A EP08016042 A EP 08016042A EP 2039873 B1 EP2039873 B1 EP 2039873B1
Authority
EP
European Patent Office
Prior art keywords
drive
housing
housing part
bearing
housing 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.)
Not-in-force
Application number
EP08016042.7A
Other languages
German (de)
French (fr)
Other versions
EP2039873A3 (en
EP2039873A2 (en
Inventor
Hans-Michael Dangel
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.)
Gerhard Geiger GmbH and Co
Original Assignee
Gerhard Geiger GmbH and Co
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 Gerhard Geiger GmbH and Co filed Critical Gerhard Geiger GmbH and Co
Publication of EP2039873A2 publication Critical patent/EP2039873A2/en
Publication of EP2039873A3 publication Critical patent/EP2039873A3/en
Application granted granted Critical
Publication of EP2039873B1 publication Critical patent/EP2039873B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/76—Operating devices or mechanisms, e.g. with electric drive using crank handles

Definitions

  • the invention relates to a transmission according to the preamble of claim 1, which is preferably used for mechanical drive for awnings, blinds, shutters and the like.
  • Such transmissions are preferably connected as a worm gear and reduction gear on the output side, for example, with the winding shaft of an awning and operated on the drive side via a hand crank.
  • They consist essentially of two mirror-symmetrically arranged housing parts with a two-part bearing, which are preferably caulked, riveted, screwed or the like, and with a mounted in two housing parts gear.
  • the object of the invention is to provide a transmission referred to in the preamble of claim 1, in which an axial offset and an opening of the housing is excluded.
  • the two housing parts can be pressed together, riveted, screwed or the like.
  • an additional, positive connection at the bearing point (2) prevents the escape of lubricants.
  • the bias on the bearings or bushings of the drive unit always remains constant.
  • FIG. 1-4 is an upper housing part 1 of a worm gear with a one-piece, cylindrical, lower bearing 2 shown, which is completely closed.
  • the upper housing part 1 is formed as an approximately round shell, which is extended with an approximately rectangular shell body.
  • the bearing 2 is arranged, while at the other end of the rectangular shell body, a first half bearing 3.1 is provided.
  • the bearing 2 is provided with a recess 2 '.
  • a first plain bearing sleeve made of plastic, which is secured in the recess 2' against rotation.
  • a second plain bearing sleeve made of plastic is added, which is also secured against rotation.
  • the plain bearing sleeves are used for mounting a drive shaft, not shown, on which a lying between the bearings 2, 3.1, not shown screw is arranged.
  • the upper part of the housing is provided with dowel holes 4.1-4.4 and with fixing holes 5.1-5.3, which are also designed to receive nuts.
  • the tray bottom has a first bearing 6.1 for an output shaft, not shown.
  • the tray bottom is further reinforced with reinforcing ribs 7.1-7.6.
  • FIGS. 5 to 8 is a similar to the upper housing part 1 formed housing lower part 8 of the worm gear shown, but instead of a one-piece bearing (2) has only one recess 9, which also serves to accommodate said first slide bearing sleeve.
  • the bearing 3.1 associated bearing point 3.2 is arranged, which serves to receive the said, second plain bearing sleeve.
  • the lower housing part 8 is provided with dowel pins 10.1-10.4, which are arranged in the same position to the dowel holes 4.1-4.4, and with mounting holes 5.4-5.6 provided, which are arranged in the same position to the mounting holes 5.1-5.3 and simultaneously formed to receive nuts.
  • the tray bottom has a second bearing 6.2 for the mentioned, not shown output shaft.
  • the tray bottom is further reinforced with reinforcing ribs 7.1 '-7.6'.
  • FIG. 9 Both housing parts 1, 8 are shown in the assembly, which are fastened to each other by means of screws and nuts.
  • a detailed view B according to the Fig. 10 you can see how the housing parts interlock.
  • the connection to the bearing 2 is formed in such a form-fitting manner that a lubricant outlet is prevented.
  • the housing parts 1, 8 are preferably made of die-cast metal. Preferably, that housing part 8, which has no one-piece bearing point, made of a lower quality material than that provided with the one-piece bearing 2 housing part 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • General Details Of Gearings (AREA)
  • Gear Transmission (AREA)

Description

Die Erfindung betrifft ein Getriebe gemäß dem Oberbegriff des Anspruchs 1, das vorzugsweise zum mechanischem Antrieb für Markisen, Jalousien, Rollladen und dergleichen eingesetzt wird.The invention relates to a transmission according to the preamble of claim 1, which is preferably used for mechanical drive for awnings, blinds, shutters and the like.

Solche Getriebe werden vorzugsweise als Schneckengetriebe und Untersetzungsgetriebe abtriebsseitig beispielsweise mit der Wickelwelle einer Markise verbunden und antriebsseitig über eine Handkurbel bedient. Sie bestehen im Wesentlichen aus zwei spiegelsymmetrisch angeordneten Gehäuseteilen mit zweigeteilter Lagerstelle, die vorzugsweise verstemmt, vernietet, verschraubt oder dergleichen sind, und mit einem in beiden Gehäuseteilen gelagerten Zahnrad.Such transmissions are preferably connected as a worm gear and reduction gear on the output side, for example, with the winding shaft of an awning and operated on the drive side via a hand crank. They consist essentially of two mirror-symmetrically arranged housing parts with a two-part bearing, which are preferably caulked, riveted, screwed or the like, and with a mounted in two housing parts gear.

Durch die EP 1211380 A1 , EP 1201951 A1 und EP 0633384 sind Getriebe nach dem Oberbegriff des Anspruchs 1 bekannt, deren zwei Gehäuseteile an der Lagerung der Antriebsschnecke beteiligt sind.By the EP 1211380 A1 . EP 1201951 A1 and EP 0633384 Gearboxes are known according to the preamble of claim 1, the two housing parts are involved in the storage of the drive worm.

Bei derartigen Getrieben kann es durch Belastung zu einem Achsversatz sowie zu einem Öffnen des Gehäuses kommen. Weiterhin kann es hier durch die betriebsgemäße Verbindung zu einer unterschiedlichen Vorspannung der Lagerbuchsen an der Antriebseinheit kommen.In such transmissions, it can lead to an axial misalignment as well as to an opening of the housing. Furthermore, it can come here by the operating connection to a different bias of the bearing bushes on the drive unit.

Die Aufgabe der Erfindung besteht darin, ein Getriebe der im Oberbegriff des Anspruchs 1 genannten Art zu schaffen, bei dem ein Achsversatz und ein Öffnen des Gehäuses ausgeschlossen wird.The object of the invention is to provide a transmission referred to in the preamble of claim 1, in which an axial offset and an opening of the housing is excluded.

Diese Aufgabe wird mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved with the features of claim 1.

Durch die Anbindung der gesamten, einteiligen, zylinderförmigen und komplett geschlossenen Lagerstelle an das eine Gehäuseteil wird gewährleistet, dass der Achsabstand der Verzahnung konstant bleibt und das Gehäuse sich bei größerer Belastung nicht öffnet.By connecting the entire, one-piece, cylindrical and completely closed bearing to the one housing part ensures that the axial distance of the teeth remains constant and the housing does not open at higher load.

Gemäß einer weiteren Ausbildung der Erfindung können die beiden Gehäuseteile miteinander verpresst, vernietet, verschraubt oder dergleichen werden.According to a further embodiment of the invention, the two housing parts can be pressed together, riveted, screwed or the like.

Gemäß einer weiteren Ausbildung der Erfindung verhindert eine zusätzliche, formschlüssige Verbindung an der Lagerstelle (2) den Austritt von Schmiermitteln.According to a further embodiment of the invention, an additional, positive connection at the bearing point (2) prevents the escape of lubricants.

Die Vorspannung an den Lagerstellen bzw. Lagerbuchsen der Antriebseinheit bleibt immer konstant.The bias on the bearings or bushings of the drive unit always remains constant.

Die Erfindung wird nun anhand eines Ausführungsbeispiels näher erläutert. Es zeigen:

Fig. 1
eine perspektivische Ansicht eines Gehäuseoberteils eines Getriebes gemäß der Erfindung,
Fig. 2
eine perspektivische Rückansicht des Gehäuseoberteils der Fig. 1,
Fig. 3
eine Seitenansicht des Gehäuseoberteils der Fig. 1,
Fig. 4
eine Ansicht des Gehäuseoberteils der Fig. 3 von oben,
Fig. 5
eine perspektivische Ansicht des Gehäuseunterteils des Getriebes gemäß der Erfindung,
Fig. 6
eine perspektivische Rückansicht des Gehäuseunterteils der Fig. 5,
Fig. 7
eine Seitenansicht des Getriebeunterteils der Fig. 6,
Fig. 8
eine Ansicht des Getriebeunterteils der Fig. 7 von oben,
Fig. 9
eine perspektivische Ansicht beider Gehäuseteile der Figuren 3 und 7 von vorn,
Fig. 10
eine Detailansicht B der einteiligen Lagerstelle in Fig. 9,
Fig. 11
eine perspektivische Ansicht des zusammengesetzten Gehäuseteile der Figuren 3 und 7 von hinten und
Fig. 12
eine Seitenansicht der zusammengesetzten Gehäuseteile der Figuren 3 und 7 von vorn.
Fig. 13
ein Gehäuseoberteil (1) mit An- und Abtriebseinheit,
Fig. 14
ein Gehäuseunterteil (1) mit An- und Abtriebseinheit.
The invention will now be explained in more detail with reference to an embodiment. Show it:
Fig. 1
a perspective view of a housing upper part of a transmission according to the invention,
Fig. 2
a rear perspective view of the upper housing part of Fig. 1 .
Fig. 3
a side view of the upper housing part of Fig. 1 .
Fig. 4
a view of the upper housing part of Fig. 3 from above,
Fig. 5
a perspective view of the housing bottom part of the transmission according to the invention,
Fig. 6
a rear perspective view of the lower housing part of Fig. 5 .
Fig. 7
a side view of the lower gear part of Fig. 6 .
Fig. 8
a view of the lower gear part of Fig. 7 from above,
Fig. 9
a perspective view of both housing parts of Figures 3 and 7 from the beginning,
Fig. 10
a detailed view B of the one-piece bearing in Fig. 9 .
Fig. 11
a perspective view of the assembled housing parts of Figures 3 and 7 from behind and
Fig. 12
a side view of the assembled housing parts of Figures 3 and 7 from the beginning.
Fig. 13
an upper housing part (1) with drive and output unit,
Fig. 14
a housing lower part (1) with input and output unit.

In den Figuren 1-4 ist ein Gehäuseoberteil 1 eines Schneckengetriebes mit einer einteiligen, zylinderförmigen, unteren Lagerstelle 2 dargestellt, die komplett geschlossen ist. Das Gehäuseoberteil 1 ist als etwa runde Schale ausgebildet, die mit einem etwa rechteckförmigen Schalenkörper erweitert ist. An dem einen Ende des rechteckförmigen Schalenkörpers ist die Lagerstelle 2 angeordnet, während am anderen Ende des rechteckförmigen Schalenkörpers eine erste halbe Lagerstelle 3.1 vorgesehen ist. Die Lagerstelle 2 ist mit einer Ausnehmung 2' versehen. In die Lagerstelle 2 und die Ausnehmung 2' wird beispielsweise in nicht dargestellter Weise eine erste Gleitlagerhülse aus Kunststoff aufgenommen, die in der Ausnehmung 2' gegen Verdrehen gesichert ist. In der Lagerstelle 3.1 wird beispielsweise in nicht dargestellter Weise eine zweite Gleitlagerhülse aus Kunststoff aufgenommen, die ebenfalls gegen Verdrehen gesichert ist. Die Gleitlagerhülsen dienen zur Lagerung einer nicht dargestellten Antriebswelle, auf der eine zwischen den Lagerstellen 2, 3.1 liegende, nicht dargestellte Schnecke angeordnet ist. Das Gehäuseoberteil ist mit Passstiftbohrungen 4.1-4.4 und mit Befestigungsbohrungen 5.1-5.3 versehen, die gleichzeitig zur Aufnahme von Muttern ausgebildet sind. Der Schalenboden weist eine erste Lagerstelle 6.1 für eine nicht dargestellte Abtriebswelle auf. Der Schalenboden ist ferner mit Verstärkungsrippen 7.1-7.6 verstärkt.In the Figures 1-4 is an upper housing part 1 of a worm gear with a one-piece, cylindrical, lower bearing 2 shown, which is completely closed. The upper housing part 1 is formed as an approximately round shell, which is extended with an approximately rectangular shell body. At one end of the rectangular shell body, the bearing 2 is arranged, while at the other end of the rectangular shell body, a first half bearing 3.1 is provided. The bearing 2 is provided with a recess 2 '. In the bearing 2 and the recess 2 ', for example, in a manner not shown, a first plain bearing sleeve made of plastic, which is secured in the recess 2' against rotation. In the bearing 3.1, for example, in a manner not shown, a second plain bearing sleeve made of plastic is added, which is also secured against rotation. The plain bearing sleeves are used for mounting a drive shaft, not shown, on which a lying between the bearings 2, 3.1, not shown screw is arranged. The upper part of the housing is provided with dowel holes 4.1-4.4 and with fixing holes 5.1-5.3, which are also designed to receive nuts. The tray bottom has a first bearing 6.1 for an output shaft, not shown. The tray bottom is further reinforced with reinforcing ribs 7.1-7.6.

In den Figuren 5 bis 8 ist ein ähnlich wie das Gehäuseoberteil 1 ausgebildetes Gehäuseunterteil 8 des Schneckengetriebes dargestellt, das jedoch statt einer einteiligen Lagerstelle (2) nur eine Ausnehmung 9 aufweist, die auch zur Aufnahme der genannten ersten Gleitlagerhülse dient. Auf der dieser Ausnehmung 9 gegenüberliegenden Seite des rechteckförmigen Schalenkörpers ist eine zweite halbe, zur Lagerstelle 3.1 gehörende Lagerstelle 3.2 angeordnet, die der Aufnahme der genannten, zweiten Gleitlagerhülse dient. Das Gehäuseunterteil 8 ist mit Passstiften 10.1-10.4, die zu den Passstiftbohrungen 4.1-4.4 positionsgleich angeordnet sind, und mit Befestigungsbohrungen 5.4-5.6 versehen, die zu den Befestigungsbohrungen 5.1-5.3 positionsgleich angeordnet und gleichzeitig zur Aufnahme von Muttern ausgebildet sind. Der Schalenboden weist eine zweite Lagerstelle 6.2 für die erwähnte, nicht dargestellte Abtriebswelle auf. In die erste Lagerstelle 6.1 und die zweite Lagerstelle 6.2 kann beispielsweise jeweils eine Gleitlagerhülse aus Kunststoff zur Aufnahme eines nicht dargestellten, hohlen Getriebezahnrads aufgenommen sein, in das die erwähnte Schnecke eingreift und in dessen Hohlraum die erwähnte Abtriebswelle befestigt ist. Der Schalenboden ist ferner mit Verstärkungsrippen 7.1 '-7.6' verstärkt.In the FIGS. 5 to 8 is a similar to the upper housing part 1 formed housing lower part 8 of the worm gear shown, but instead of a one-piece bearing (2) has only one recess 9, which also serves to accommodate said first slide bearing sleeve. On the side opposite this recess 9 side of the rectangular shell body a second half, the bearing 3.1 associated bearing point 3.2 is arranged, which serves to receive the said, second plain bearing sleeve. The lower housing part 8 is provided with dowel pins 10.1-10.4, which are arranged in the same position to the dowel holes 4.1-4.4, and with mounting holes 5.4-5.6 provided, which are arranged in the same position to the mounting holes 5.1-5.3 and simultaneously formed to receive nuts. The tray bottom has a second bearing 6.2 for the mentioned, not shown output shaft. In the first bearing 6.1 and the second bearing 6.2, for example, in each case a plain bearing sleeve made of plastic for receiving a hollow gear, not shown, be received, in which engages the aforementioned screw and in the cavity of which said output shaft is fixed. The tray bottom is further reinforced with reinforcing ribs 7.1 '-7.6'.

In Fig. 9 sind beide Gehäuseteile 1, 8 im Zusammenbau dargestellt, die mittels Schrauben und Muttern aneinander befestigt werden. In einer Detailansicht B gemäß der Fig. 10 ist zu sehen, wie die Gehäuseteile ineinander greifen.In Fig. 9 Both housing parts 1, 8 are shown in the assembly, which are fastened to each other by means of screws and nuts. In a detailed view B according to the Fig. 10 you can see how the housing parts interlock.

In den Figuren 11 und 12 ist noch einmal der Zusammenbau des Gehäuses 1, 8 in anderen Perspektiven dargestellt.In the Figures 11 and 12 is again the assembly of the housing 1, 8 shown in other perspectives.

Die Verbindung an der Lagerstelle 2 ist derart formschlüssig ausgebildet, dass ein Schmiermittelaustritt verhindert wird. Die Gehäuseteile 1, 8 bestehen vorzugsweise aus metallischem Druckguss. Vorzugsweise ist dasjenige Gehäuseteil 8, das keine einteilige Lagerstelle aufweist, aus einem minderwertigeren Werkstoff als der des mit der einteiligen Lagerstelle 2 versehenen Gehäuseteils 1 hergestellt.The connection to the bearing 2 is formed in such a form-fitting manner that a lubricant outlet is prevented. The housing parts 1, 8 are preferably made of die-cast metal. Preferably, that housing part 8, which has no one-piece bearing point, made of a lower quality material than that provided with the one-piece bearing 2 housing part 1.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
GehäuseoberteilHousing top
22
einteilige Lagerstelleone-piece depository
2'2 '
Ausnehmungrecess
3.13.1
erste halbe Lagerstelle der Antriebswellefirst half bearing of the drive shaft
3.23.2
zweite halbe Lagerstelle der Antriebswellesecond half bearing of the drive shaft
4.1-4.44.1-4.4
PassstiftbohrungDowel pin hole
5.1-5.35.1-5.3
Befestigungsbohrungmounting hole
6.16.1
erste Lagerstellefirst depository
6.26.2
zweite Lagerstellesecond depository
7.1.-7.67.1.-7.6
Verstärkungsrippereinforcing rib
7.1'-7.6'7.1'-7.6 '
Verstärkungsrippereinforcing rib
88th
GehäuseunterteilHousing bottom
99
Ausnehmungrecess
10.1-10.410.1-10.4
Passstiftdowel
1111
Nutgroove
1212
Stegweb

Claims (5)

  1. A drive having a housing comprising two housing parts (1, 8), having at least one gear wheel supported in both housing parts, having a power takeoff shaft connected to the gear wheel, and having a drive shaft received in both housing parts, on which drive shaft a worm that meshes with the gear wheel is secured, in particular for use with window blinds, rolling shutters, or awnings, the housing parts being operationally connected to one another and the one housing part (1) having at least one one-piece bearing site (2) for the drive shaft, this bearing site (2) being solidly connected to that housing part (1), characterized in that
    the one housing part (1) of the drive is embodied with the one-piece, cylindrical, lower bearing site (2), which is completely closed.
  2. The drive of claim 1,
    characterized in that
    the operational connection is effected by crimping, riveting, screw fastening, or the like.
  3. The drive of claim 1,
    characterized in that
    the connection of the bearing site (2) is embodied by positive engagement in such a way that an escape of lubricant is prevented.
  4. The drive of claim 1,
    characterized in that
    the housing parts (1, 8) comprise metal die casting.
  5. The drive of claim 1,
    characterized in that
    the housing part (8) that does not have a one-piece bearing site is made from a less-expensive material than the housing part that is provided with the one-piece bearing site (2).
EP08016042.7A 2007-09-20 2008-09-11 Casing Not-in-force EP2039873B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007045112 2007-09-20

Publications (3)

Publication Number Publication Date
EP2039873A2 EP2039873A2 (en) 2009-03-25
EP2039873A3 EP2039873A3 (en) 2014-01-15
EP2039873B1 true EP2039873B1 (en) 2016-08-24

Family

ID=40291238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08016042.7A Not-in-force EP2039873B1 (en) 2007-09-20 2008-09-11 Casing

Country Status (2)

Country Link
EP (1) EP2039873B1 (en)
ES (1) ES2603854T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2504115A (en) * 2012-07-19 2014-01-22 Soper Ltd R A manual drive mechanism positionable on either side of the blind

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553649A (en) * 1993-07-05 1996-09-10 Kabushiki Kaisha Nichibei Blind apparatus
FR2816016B1 (en) * 2000-10-27 2003-02-07 Zurfluh Feller TORQUE LIMITER
EP1211380A1 (en) * 2000-11-29 2002-06-05 Cherubini S.p.A. Worm winch for a blind or a roller shutter

Also Published As

Publication number Publication date
ES2603854T3 (en) 2017-03-01
EP2039873A3 (en) 2014-01-15
EP2039873A2 (en) 2009-03-25

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