WO2006034999A1 - Vorrichtung und verfahren zum befestigen eines flügelrades auf einer welle - Google Patents
Vorrichtung und verfahren zum befestigen eines flügelrades auf einer welle Download PDFInfo
- Publication number
- WO2006034999A1 WO2006034999A1 PCT/EP2005/054779 EP2005054779W WO2006034999A1 WO 2006034999 A1 WO2006034999 A1 WO 2006034999A1 EP 2005054779 W EP2005054779 W EP 2005054779W WO 2006034999 A1 WO2006034999 A1 WO 2006034999A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- driver
- impeller
- shaft
- holding elements
- fan
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/263—Rotors specially for elastic fluids mounting fan or blower rotors on shafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
- F04D29/329—Details of the hub
Definitions
- the invention relates to a device for fastening an impeller on a shaft according to the preamble of claim 1. Furthermore, the invention relates to a method for securing an impeller on a shaft according to the preamble of claim 13.
- impellers such as fan wheels, on waves, especially motor shafts
- Examples include a molded in the impeller sleeve, which is pressed onto the shaft or a metal bushing which is pressed individually onto the shaft, wherein the impeller is fixed with springs or screws to this metal bushing.
- one of the two components mainly serves
- the other, second component is used in these devices mainly the axial fixation of the impeller on the driver part.
- a fan which has a spring element with five hook-like arms for securing a fan wheel on the driver and thus on the shaft in the axial direction, which pass through the hub of the fan wheel and cooperate with portions of the driver.
- Spring elements of this type which use a plurality of spring arms for securing the attachment on the driver of the drive shaft, require a sophisticated assembly including a complex examination of the correct mounting seat.
- the fan wheel is rotatably connected by means of a driving element with a drive shaft.
- the rotatably connected to the driving direction driving element has at least one axial and one radial bearing surface against which the fan with at least one axial and a radial bearing surface.
- inventive device or the inventive method for securing an impeller on a shaft with the features of claim 1 and the features of claim 13 have the advantage that they provide a quick and easy installation of a
- Impeller or a fan wheel, allow, in addition, a secure fixation of the
- Wave only a single component must be used.
- This component can be produced as a driver in a simple single-part production, which advantageously allows the application of existing process techniques.
- the protruding portions of the driver are deformed after penetration of the hub part such that they engage behind the hub part and thus fix the impeller on the driver and thus on a shaft. In this way, it is possible that the driver engages around the impeller form-fitting and fixed. For example, a fan impeller on the
- the driver has at least one plate-like widening of its diameter, on which the projecting axial sections of the holding elements are formed. Due to the increased by the broadening radial distance of the protruding
- Sections to the central axis of the shaft results in an improved torque transmission of the driver to the impeller.
- the impeller can be better stabilized in this way.
- the substantially axially projecting, projecting portions of the driver are arranged in an advantageous manner on the circumference of the driver and in particular on the circumference of the plate-like widening of the driver.
- it is advantageous to distribute the holding elements uniformly over the circumference of the driver 2x1.
- it may be advantageous to form a total of three holding elements on the driver. These can be evenly distributed around the circumference of the driver.
- it is recommended, however, for advantageous
- the axially formed, protruding portions of the holding elements of the driver in the form of caulking with a hook-shaped
- the driver is preferably made of metal and ideally drawn from a steel sheet.
- a metallic carrier allows a secure fixation between the mostly made of plastic impellers and for example a metallic drive shaft of an electric motor.
- Other materials and manufacturing methods for the driver of the device according to the invention are also possible. So it may be advantageous, for example, only a hub of the driver of a metallic
- Such an embodiment of the holding elements increases the tightness of the impeller on the driver of the shaft by the deformed holding elements securely clamp the hub part of the impeller by means of the bevels formed on them.
- the impeller of the device according to the invention which is for example designed as a fan impeller, in the region of its hub a plurality, in particular at least three, preferably lying on a pitch, openings or openings, through which in the assembly of a fan, for example, the axial sections of Carrier be passed.
- the trained on the fan is for example designed as a fan impeller, in the region of its hub a plurality, in particular at least three, preferably lying on a pitch, openings or openings, through which in the assembly of a fan, for example, the axial sections of Carrier be passed.
- Slopes are located in an advantageous manner in the region of these openings.
- Fan impeller so that the driver at least partially penetrates the hub part of the fan wheel.
- the portions of the holding elements of the driver, which protrude beyond the fan, are then deformed so that the fan is jammed on the driver.
- the fan assembly can be done either before or after mounting shaft and driver.
- the driver and fan wheel can therefore be caulked first and then pressed onto the desired shaft as an assembly.
- the driver can first be pressed individually on a shaft and then caulked in the manner described on the fan.
- hook-shaped ends or tabs of the protruding portions of the holding elements of the driver can be aligned radially both toward the outside of the fan wheel and inwards, in the direction of the drive shaft.
- the invention relates to a device with essentially a driver, which can be pressed onto a shaft and in a shaping process one or more deformable and protruding sections, which serve as holding elements gets.
- an impeller such as the fan of a fan is placed during assembly.
- the protruding portions of the holding elements of the driver dive through openings or openings in the hub part of the impeller therethrough. These sections are then deformed so that the fan is jammed on the driver.
- the resulting two groups of two of the holding elements are also arranged mirror images of each other. With, for example, a two-jaw crimping tool so all four tabs of the holding elements can be deformed with a single movement after the fan is placed on the driver.
- openings are provided in the impeller and in particular in the sewing part of such an impeller.
- Driver protrude through these openings.
- the driver facing away from the axial ends of the protruding portions of the holding elements, which are hook-shaped, are then deformed such that the impeller is thereby clamped between these hooks and a plate-like widening of the diameter of the driver.
- the Mit Talentsupplementary invention or the possible with such a driver method for securing an impeller, in particular a fan impeller on a shaft, allows advantageously that only one component is used for positioning and for fixing the impeller.
- This component can be produced by means of a simple single-part production, so that existing process techniques can be used in an advantageous manner. Further advantages of the method according to the invention and of the device according to the invention can be found in the following drawing as well as the associated description of advantageous embodiments.
- Figure 1 shows an embodiment of a driver of erf ⁇ ndungshielen
- FIG. 3 shows a detailed view of the hub region of a fan impeller according to the device according to the invention in a schematic plan view
- FIG. 4 shows a cross section of the hub region of the fan impeller according to FIG. 3 in a detailed representation
- Figure 5 is a detailed view of a patch on a driver impeller, not yet deformed axial sections of the holding elements in a perspective plan view. Description of the embodiments
- FIG 1 shows a possible embodiment of a driver 10 of the device according to the invention for securing an impeller on a shaft.
- the preferably integrally formed driver 10 is drawn from a steel sheet, but can also from others
- Metals or non-metallic materials such as a plastic are produced.
- the driver would be formed in an advantageous manner by an injection process.
- the driver 10 has in its central region a substantially cylindrical
- Hub 12 which has a through hole 14 for receiving a shaft.
- the driver 10 is fixed by means of the hub 12 on a shaft, for example, the drive shaft of an electric motor, for example, pressed or shrunk.
- the driver can, for example, also a blind bore in the hub for.
- a through hole 14 instead of a through hole 14
- the driver 10 of the exemplary embodiment according to FIG. 1 has a plate-like widening 16, which is formed integrally with the hub 12. At the plate-like widening 16 are
- Holding elements 18 in the form of deformable and formed by the plate-shaped widening 16 substantially in the axial direction protruding sections. These holding elements have a substantially parallel web 20 running in the axial direction and a hook-shaped end 22 extending in the circumferential direction of the driver 10.
- the deformable holding elements 18 are in the embodiment of Figure 1 in an advantageous
- the driver 10 has four holding elements 18 and caulking tabs 24 which are distributed uniformly over the circumference of the plate-shaped widening 16.
- the number and shape of the retaining elements 18 may also vary. Shape and number are advantageously to be chosen such that a safe and fast positioning and fixing an impeller on the driver is possible.
- the impeller which may be, for example, a fan of an engine cooling fan with simple crimping pliers, it is advantageous to form four tab-shaped, projecting holding elements 18 on the driver 10.
- a two-jaw crimping tool for example, all four lugs 18 of the embodiment according to FIG.
- FIG. 2 shows the driver 10 of the device according to the invention according to FIG. 1 in a simplified sectional representation.
- the hook-shaped ends 22 of the holding elements 18 have on their plate-shaped widening 16 facing underside each have a slope 26 which form an increasing height of the hook-shaped ends 22 over the surface 17 of the plate-shaped widening with increasing distance from the axial webs 20.
- the axis 15 indicates the course of a wave to which the driver 10 can be placed.
- FIG. 3 shows in a simplified representation a fan wheel 30, for example an engine cooling fan, in a plan view as an example of a possible impeller. Other types and embodiments of impellers are also possible.
- the fan wheel 30 for example an engine cooling fan, in a plan view as an example of a possible impeller. Other types and embodiments of impellers are also possible.
- FIG. 30 in its embodiment according to FIG. 3 has in its central region a substantially bell-shaped fan hub 32, to which a plurality of fan blades 34, indicated only schematically, are formed.
- fan hub 32 and fan blades 34 are integrally formed.
- the fan hub 32 has an opening 36 through which the hub 12 of the driver 10 in the attachment of the fan wheel
- the fan hub 32 has a plurality, in the embodiment of Figure 3, there are four, of circumferentially extending slots 38. Concentric to these slots 38 are inclined slopes 40, which are in the direction of the center of the central
- Opening 36 towards an increasing material thickness may also extend to the opening 36 in the center of the fan hub 32.
- the wheel 30 When mounting the fan wheel on a shaft, the wheel 30 is plugged or placed with its hub 32 on the driver 10. The protruding from the plate-shaped widening 16 holding elements 18 dive through the slots 38 which are formed in the hub 32 of the impeller 30, through, so that the inside of the fan hub 32 comes to lie on the surface 17 of the plate-shaped widening 16.
- FIG. 5 shows the fan wheel 30 already placed on the driver 10 in a representation which merely reproduces the area of the fan hub 32 with a multiplicity of mechanical struts for increasing the strength of the fan wheel.
- the hub 12 of the driver 10 projects through the central opening 36 of the fan hub 32.
- the axial webs 20 (see Figure 2) of the driver 10 are formed in the inventive device just so long that they substantially correspond to the material thickness of the bell-shaped fan hub 32, so that the hook-shaped ends 22 freely over the top 33 of the fan hub 32 come to rest, as shown for example in Figure 5.
- the projecting holding elements 18, starting from the position shown in FIG. 5, are subsequently deformed in such a way that the fan wheel is jammed or caulked onto the driver.
- the hook-shaped ends 22, which form the tabs of caulking tabs 24, can both inwardly, i. in the direction of the central opening 36 of the hub 32 and thus in the direction of the drive shaft, not shown, are deformed, as well as to the outer periphery of the fan hub 32, d. H. towards the fan blades 34.
- the fixing of the fan wheel on the driver and thus on the shaft can be aligned with different assembly sequences in the method. For example, first the fan 30 can be caulked on the driver 10 and then this assembly can be applied to a shaft, for example, be pressed.
- the driver 10 can also be applied individually, ie individually, to a shaft, for example pressed, so that subsequently the fan wheel 30 is caulked on the driver 10 and thus actively connected to the drive shaft.
- Retaining elements 18 are bent outwardly and caulked against the slopes 40 of the fan hub 32.
- the fan 30 has elements for this purpose, which position it exactly to the support surface of the driver. In this way, the oblong holes 38 of the hub 32 of the fan wheel 30 come to lie or lie at the locations where the driver 10 has the holding elements 18.
- the hook-shaped ends 22 of the caulking tabs 24 then protrude through the slots 38.
- the fan wheel 30 thus lies with its fan hub 32 between the hook-shaped ends 22 of the caulking tabs 24 and the support surface 17 of the driver 10.
- the hook-shaped ends 22 in the inventive method now in the manner described in - substantially - radial direction deformed.
- inclined planes 40 are formed at the points to which the ends 22 of the tabs 24 move during caulking. These bevels 40 create an additional wedging of the driver 10 on the fan wheel 30, which increases the tightness of the fan wheel.
- the holding elements 18 then lie positively against the fan hub and in particular on the surface 33 of the fan hub 32.
- the hook-shaped ends 22 of the holding elements 18 also have additional bevels 26.
- These bevels 26 are arranged on the edge of the caulking tabs 24, which points in the mounted state on the hub surface 33. In this way, a further wedging is generated, which allows a secure attachment of the fan wheel 30 on the driver 10 and thus on a shaft.
- the bevels 26 and 40 on the driver 10 and on the hub 32 of the fan wheel 30 to be mounted may alternatively or together, i. E. be formed on both parts of the device according to the invention. Also it is possible this
- Two groups of caulking tabs 24 are in turn mirror images of each other.
- all four crimping tabs 24 of the driver 10 can be deformed with only one movement of the tool after the fan wheel 30 has been placed on the driver 10.
- the caulking tabs 24 can be attached both to the outside of the fan wheel 32, i. towards the fan blades 34, as well as inwardly, i. in the direction of the central opening 36, are aligned.
- An alternating orientation inwards and outwards is also possible for the caulking tabs 24.
- a bevel 40 should be arranged in Verstemmraum in each case in an advantageous manner.
- the inventive device for attaching a fan impeller on a shaft allows an advantageous alternative to the known driver designs.
- the inventive method requires only a component for positioning and fixing a fan wheel on a driver or on a shaft.
- the driver 10 according to the invention can advantageously be produced in one piece from a simple single-part production, so that existing process techniques v can be used. In this case, the deformable and protruding portions, which form the holding elements for the fan, are already formed in the shaping process of the driver.
- the inventive device for attaching a fan wheel on a shaft is not limited to the embodiment shown in the figures.
- the device according to the invention is not limited to the number and shape of the holding elements which are formed on the driver.
- Number and form of Retaining elements are to be selected according to the requirements and size of the fan wheel such that a secure positioning and fixing of the fan wheel on the shaft is made possible.
- the device according to the invention is furthermore not limited to the materials mentioned in the description.
- the driver may also be formed from a plastic. It is also possible to produce only the hub and possibly the holding elements of the driver from a metal and form the further shape of the driver by encapsulation of the metallic parts with, for example, a plastic.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05797159A EP1797332A1 (de) | 2004-09-28 | 2005-09-23 | Vorrichtung und verfahren zum befestigen eines flügelrades auf einer welle |
BRPI0516154-1A BRPI0516154A (pt) | 2004-09-28 | 2005-09-23 | dispositivo e processo para a fixação de uma roda de pás em um eixo |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004046893.1 | 2004-09-28 | ||
DE200410046893 DE102004046893A1 (de) | 2004-09-28 | 2004-09-28 | Vorrichtung und Verfahren zum Befestigen eines Flügelrades auf einer Welle |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006034999A1 true WO2006034999A1 (de) | 2006-04-06 |
Family
ID=35427748
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/054779 WO2006034999A1 (de) | 2004-09-28 | 2005-09-23 | Vorrichtung und verfahren zum befestigen eines flügelrades auf einer welle |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1797332A1 (de) |
CN (1) | CN100529421C (de) |
BR (1) | BRPI0516154A (de) |
DE (1) | DE102004046893A1 (de) |
WO (1) | WO2006034999A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201636143U (zh) * | 2010-03-31 | 2010-11-17 | 中山大洋电机制造有限公司 | 一种锁紧装置 |
ITTO20111159A1 (it) * | 2011-12-15 | 2013-06-16 | Gate Srl | Motore elettrico per l'azionamento di una girante di un ventilatore per uno scambiatore di calore di un autoveicolo. |
CN103939386B (zh) * | 2014-03-28 | 2016-08-17 | 浙江泰达微电机有限公司 | 一种微电机风叶托的防脱转轴 |
DE102015222005A1 (de) * | 2015-11-09 | 2017-05-11 | Mahle International Gmbh | Fördereinrichtung |
CN107489408A (zh) * | 2017-10-12 | 2017-12-19 | 张秀梅 | 泵下降黏搅拌器 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3537823A1 (de) * | 1985-10-24 | 1987-04-30 | Webasto Werk Baier Kg W | Wellen-naben-verbindung |
FR2689938A1 (fr) * | 1992-04-11 | 1993-10-15 | Bosch Gmbh Robert | Ventilateur avec une roue de ventilateur présentant un moyeu en forme de pot, bloquée sur l'arbre d'entraînement. |
US5593283A (en) * | 1994-08-08 | 1997-01-14 | Eaton Corporation | Fan and fan drive and assembly thereof |
FR2743951A1 (fr) * | 1996-01-19 | 1997-07-25 | Valeo Equip Electr Moteur | Alternateur pourvu d'un ventilateur interne perfectionne, notamment pour vehicule automobile |
DE10136729A1 (de) * | 2001-07-27 | 2003-02-13 | Behr Gmbh & Co | Lüfter mit einem Lüfterrad |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4652169A (en) * | 1985-12-26 | 1987-03-24 | Matthews David G | Connecting structure for a hub and fan blade |
DE3817079C2 (de) * | 1988-05-19 | 1995-10-26 | Keiper Recaro Gmbh Co | Formschlüssige Verbindung zwischen zwei aus Blech bestehenden Teilen eines Fahrzeuges und Verfahren zu ihrer Herstellung |
-
2004
- 2004-09-28 DE DE200410046893 patent/DE102004046893A1/de not_active Withdrawn
-
2005
- 2005-09-23 WO PCT/EP2005/054779 patent/WO2006034999A1/de active Application Filing
- 2005-09-23 BR BRPI0516154-1A patent/BRPI0516154A/pt not_active IP Right Cessation
- 2005-09-23 CN CNB2005800328316A patent/CN100529421C/zh not_active Expired - Fee Related
- 2005-09-23 EP EP05797159A patent/EP1797332A1/de not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3537823A1 (de) * | 1985-10-24 | 1987-04-30 | Webasto Werk Baier Kg W | Wellen-naben-verbindung |
FR2689938A1 (fr) * | 1992-04-11 | 1993-10-15 | Bosch Gmbh Robert | Ventilateur avec une roue de ventilateur présentant un moyeu en forme de pot, bloquée sur l'arbre d'entraînement. |
US5593283A (en) * | 1994-08-08 | 1997-01-14 | Eaton Corporation | Fan and fan drive and assembly thereof |
FR2743951A1 (fr) * | 1996-01-19 | 1997-07-25 | Valeo Equip Electr Moteur | Alternateur pourvu d'un ventilateur interne perfectionne, notamment pour vehicule automobile |
DE10136729A1 (de) * | 2001-07-27 | 2003-02-13 | Behr Gmbh & Co | Lüfter mit einem Lüfterrad |
Non-Patent Citations (1)
Title |
---|
See also references of EP1797332A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN101031725A (zh) | 2007-09-05 |
BRPI0516154A (pt) | 2008-08-26 |
CN100529421C (zh) | 2009-08-19 |
EP1797332A1 (de) | 2007-06-20 |
DE102004046893A1 (de) | 2006-03-30 |
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