EP2039873B1 - Boîtier - Google Patents
Boîtier Download PDFInfo
- 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
Links
Images
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)
Claims (5)
- Boîte de vitesses munie d'un boîtier composé de deux parties (1,8) avec au minimum une roue dentée logée dans les deux parties, avec un arbre de sortie relié à la roue dentée et avec un arbre d'entraînement inclus dans les deux parties du boîtier, où une vis sans fin est attachée et mise en prise avec la roue dentée, particulièrement à usage pour les stores, les volets roulants ou le cas échéant pour les marquises, où les parties du boîtier sont reliées fonctionnellement et où une partie du boîtier (1) présente au minimum un point d'appui monobloc (2) pour l'arbre d'entraînement et où ce point d'appui (2) est lié fermement avec cette partie du boîtier (1),
Est caractérisée de sorte que
La partie du boîtier (1) de l'engrenage est formée du point d'appui monobloc de forme cylindrique inférieure (2) qui est complètement clos. - Engrenage selon revendication 1,
Est caractérisé de sorte que
La connexion de fonctionnement ait lieu à l'aide de la compression, le rivetage, le boulonnage ou similaire. - Engrenage selon revendication 1,
Est caractérisé de sorte que
La connexion au point d'appui (2) est ainsi formée par coopération de formes en vue d'empêcher l'évacuation de lubrifiants. - Engrenage selon revendication 1,
Est caractérisé de sorte que
Les parties du boîtier (1,8) se composent de coulée métallique sous pression. - Engrenage selon revendication 1,
Est caractérisé de sorte que
La partie du boîtier (8), ne présentant pas de point d'appui monobloc, est préparée d'une matière de moindre valeur que celle de la partie du boîtier munie d'un point d'appui monobloc (2).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007045112 | 2007-09-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2039873A2 EP2039873A2 (fr) | 2009-03-25 |
EP2039873A3 EP2039873A3 (fr) | 2014-01-15 |
EP2039873B1 true EP2039873B1 (fr) | 2016-08-24 |
Family
ID=40291238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08016042.7A Not-in-force EP2039873B1 (fr) | 2007-09-20 | 2008-09-11 | Boîtier |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2039873B1 (fr) |
ES (1) | ES2603854T3 (fr) |
Families Citing this family (1)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5553649A (en) * | 1993-07-05 | 1996-09-10 | Kabushiki Kaisha Nichibei | Blind apparatus |
FR2816016B1 (fr) * | 2000-10-27 | 2003-02-07 | Zurfluh Feller | Dispositif limiteur de couple |
EP1211380A1 (fr) * | 2000-11-29 | 2002-06-05 | Cherubini S.p.A. | Treuil à vis sans fin pour store ou volet roulant |
-
2008
- 2008-09-11 EP EP08016042.7A patent/EP2039873B1/fr not_active Not-in-force
- 2008-09-11 ES ES08016042.7T patent/ES2603854T3/es active Active
Also Published As
Publication number | Publication date |
---|---|
EP2039873A2 (fr) | 2009-03-25 |
EP2039873A3 (fr) | 2014-01-15 |
ES2603854T3 (es) | 2017-03-01 |
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