WO2022238364A1 - Dispositif de fixation pour fixer une unité de support à un boîtier, unité de support comprenant un dispositif de fixation et procédé de fabrication d'un dispositif de fixation - Google Patents

Dispositif de fixation pour fixer une unité de support à un boîtier, unité de support comprenant un dispositif de fixation et procédé de fabrication d'un dispositif de fixation Download PDF

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Publication number
WO2022238364A1
WO2022238364A1 PCT/EP2022/062559 EP2022062559W WO2022238364A1 WO 2022238364 A1 WO2022238364 A1 WO 2022238364A1 EP 2022062559 W EP2022062559 W EP 2022062559W WO 2022238364 A1 WO2022238364 A1 WO 2022238364A1
Authority
WO
WIPO (PCT)
Prior art keywords
fixing device
carrier unit
housing
fastening
fastening element
Prior art date
Application number
PCT/EP2022/062559
Other languages
German (de)
English (en)
Inventor
Tobias Schrenk
Jochen Wittmann
Martin Botsch
Christoph Wieder
Andreas Hesler
Marcel Werner
Katja WILLACKER
Roland Lindwurm
Original Assignee
Zf Friedrichshafen Ag
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 Zf Friedrichshafen Ag filed Critical Zf Friedrichshafen Ag
Publication of WO2022238364A1 publication Critical patent/WO2022238364A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • 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
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
    • 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
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0258—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using resiliently deformable sleeves, grommets or inserts

Definitions

  • Fixing device for fixing a carrier unit to a housing, carrier unit with a fixing device and method for producing a fixing device
  • the present invention relates to a fixing device for fixing a carrier unit to a housing, a carrier unit with a fixing device and a method for producing a fixing device
  • a carrier unit for carrying the wiring or a connection panel can be fixed to a stator carrier or a housing by means of a screw sleeve and screw.
  • the present invention provides an improved fixing device for fixing a carrier unit to a housing, an improved carrier unit with a fixing device and an improved method for producing a fixing device according to the main claims.
  • Advantageous configurations result from the dependent claims and the following description.
  • vibration damping of the interconnection and tolerance compensation in the fixing interface can advantageously be achieved.
  • a fixing device for fixing a carrier unit to a housing comprising at least one fastening element and at least one elastomer element.
  • the elastomer element is arranged or can be arranged between a carrier unit and the housing or between the fastening element and the carrier unit.
  • the fixing device can be used, for example, in an electrical machine, in which case the housing can correspond to a stator or a stator carrier.
  • a carrier unit can be attached to the housing by means of the fixing device, which can be designed, for example, to carry an interconnection or switching elements, for example for applying a voltage to the current coils, whereby a rotation of a rotor arranged in the stator can be achieved.
  • the fixing device comprises at least one fastener in which it can be a screw, for example, which can be passed through a part of the carrier unit and screwed into a part of the housing, for example.
  • an elastomer element is arranged in the fastened state of the fixing device, which can be, for example, an elastic ring. Due to the elasticity of the elastomer element, tolerance compensation between the individual components can advantageously be effected. In addition, vibrations generated by the rotor during operation of the electrical machine can be compensated.
  • the elastomer element can be ring-shaped and additionally or alternatively disc-shaped.
  • the elastomeric element can be arranged or can be arranged in the shape of a ring around part of the fastening element, which can be shaped, for example, as a screw.
  • the elastomer element can be shaped like a washer and can thus form an elastic layer that is thin compared to the adjacent components.
  • the fixing device can be arranged or can be arranged in and additionally or alternatively on a fastening base of the housing.
  • the housing may, for example, comprise one or a plurality of mounting pedestals, which may, for example, be arranged slightly offset from a main form of the housing, which may, for example, be adapted to receive a stator.
  • the fastening element can be arranged or can be arranged at least partially in a receiving opening of the fastening base.
  • the fastening element can, for example, be screwed into the receiving opening by means of a screw thread or in a form-fitting manner
  • the carrier unit can advantageously be attached to the housing in a particularly stable manner and with little effort.
  • the fastening element can be passed or can be passed through the elastomer element and additionally or alternatively the carrier unit.
  • the fastening element can, for example, be passed through a hole in the carrier unit and through the elastomer element, which is for example ring-shaped and rests against the carrier unit, in order to fasten the carrier unit to the housing.
  • material, manufacturing costs and labor can be saved by this type of attachment.
  • the fixing device can comprise a sleeve element which is arranged or can be arranged between the elastomer element and the carrier unit.
  • the sleeve element which can also be referred to as an injection sleeve, can be ring-shaped, so that the fastening element can be passed through the sleeve element.
  • the elastomer element can be or will be connected to the sleeve element in a form-fitting manner and additionally or alternatively with a material connection.
  • the sleeve element can be used to equalize the size between the fastening element and an opening in the carrier unit for the passage of the fastening element.
  • the sleeve element can have a recess for receiving a part of the carrier unit.
  • the carrier unit can be fixed to the sleeve element, so that the sleeve element can be arranged between the carrier unit and the fastening element in the fastened state.
  • the ring-shaped sleeve element for example, can have a recess in the form of a circumferential groove or notch, for example on an outer edge of the sleeve element.
  • the carrier unit on the other hand, can be formed with an elevation that is compatible with the recess, as a result of which the carrier unit can advantageously be securely fixed to the sleeve element in a form-fitting manner.
  • the fastening element can be carried out or can be carried out at least partially through the sleeve element.
  • the fastening element in the fastened state, can be passed through both the sleeve element and the elastomer element and part of the carrier unit.
  • the carrier unit can advantageously be fixed to the housing in a particularly stable manner.
  • the fixing device can comprise a further elastomer element which can be arranged or can be arranged between a carrier unit and the housing or between the fastening element and the carrier unit.
  • the further elastomeric element can, for example, be designed congruently with the elastomeric element in terms of shape and material.
  • the vibration-damping property of the fixing device can be optimized as a result.
  • the carrier unit which can also be referred to as the overmolding of the wiring, can be, for example, an injection-molded unit for carrying electrical connections for operating an electrical machine.
  • the carrier unit can comprise a further fixing device, wherein the fixing device and the further fixing device can be arranged at essentially opposite ends of the carrier unit.
  • the carrier unit can be essentially elongate and can be fixed to two different fastening bases of the housing by means of the fixing device and the additional fixing device. This has the advantage that the carrier unit can be attached to the housing in a particularly stable manner.
  • the method comprises a step of providing the carrier unit, the fastening element, the elastomer element and the housing and a step of assembling the carrier unit, the fastening element, the elastomer element and the housing in such a way that the fixing device is produced.
  • a computer program product with program code is also advantageous, which can be stored on a machine-readable medium such as a semiconductor memory, a hard disk memory or an optical memory and is used to carry out the method according to one of the embodiments described above if the program is on a computer or a device.
  • FIG. 1 shows a schematic representation of a housing with a carrier unit and a fixing device according to an exemplary embodiment
  • FIG. 2 shows a schematic representation of a housing with a carrier unit and a fixing device according to an exemplary embodiment
  • FIG. 3 shows a schematic cross-sectional illustration of a fixing device according to an exemplary embodiment
  • FIG. 4 shows a schematic cross-sectional illustration of a fixing device according to an exemplary embodiment
  • FIG. 5 shows a schematic representation of a carrier unit according to an exemplary embodiment
  • FIG. 6 shows a schematic representation of a carrier unit with a fixing device and a further fixing device according to an exemplary embodiment
  • FIG. 7 shows a schematic representation of a carrier unit with a fixing device and a further fixing device according to an embodiment
  • FIG. 8 shows a flowchart of a method for producing a fixing device according to an embodiment.
  • Fig. 1 shows a schematic representation of a housing 100 with a Sparein unit 105 and a fixing device 110 according to an embodiment.
  • the housing 100 shown here is a stator of an electrical machine, which is designed to accommodate a rotor, which is not shown in FIG. 1 .
  • the carrier unit 105 is fixed to the housing 100 by means of the fixing device 110 and a further fixing device 115 .
  • the housing 100 has, merely by way of example, a fastening base 120 for accommodating the fixing device 110 and a further fastening base 125 for accommodating the further fixing device 115.
  • the carrier unit 105 is designed, merely by way of example, to carry switching elements 130, by means of which in the operational state the electrical machine's current flow can be controlled.
  • Fig. 2 shows a schematic representation of a housing 100 with a Sparein unit 105 and a fixing device 110 according to an embodiment.
  • the housing 100 shown here, the carrier unit 105 and the fixing device 110 correspond to or are similar to the housing, the carrier unit and the fixing device described in the previous figure, with the difference that in this exemplary embodiment, in addition to the housing 100, a so-called boundary contour 200 of the electrical winding of the stator is drawn.
  • the boundary contour 200 delimits the outer surface of the winding space of the electrical machine.
  • FIG. 3 shows a schematic cross-sectional representation of a fixing device 110 according to an embodiment.
  • the fixing device 110 shown here corresponds to or is similar to the fixing device described above.
  • the fixing device 110 is designed to fix a carrier unit 105 to a housing 100 Ge.
  • the housing 100 has a fastening base 120 for this purpose, which has a receiving opening merely by way of example
  • the fastening element 305 is formed only by way of example as a fixing screw which is passed through the carrier unit with a screw shank 310 and partially engages in the receiving opening 300 of the fastening base 120 in order to fix the carrier device 105 to the Ge housing.
  • the fixing device 110 also has an elastomer element 320 which, in this exemplary embodiment, is both ring-shaped and disk-shaped and encloses part of the screw shank 310 .
  • the elastomer element 320 is arranged between the housing 100 and the carrier unit 105 merely by way of example.
  • the elastomer element can also be arranged between the carrier unit 105 and the fastening element 305 .
  • a further elastomer element 325 is arranged between the carrier unit 105 and the fastening element 305 and is designed congruently with the elastomer element 320 .
  • the further elastomer element 325 also encloses the screw shank 310 of the fastening element 305, the further elastomer element 325 being arranged at an upper end of the fastening element 305 or adjacent to the screw head 327.
  • the elastomer element 320 and the further elastomer element 325 are arranged on opposite sides of a sleeve element 330 which also encloses the screw shank 310 in a ring-shaped manner and on which the carrier unit 105 is arranged merely by way of example.
  • the sleeve element 330 has a recess 335, only by way of example, into which the carrier unit 105 engages in a form-fitting manner, only by way of example.
  • the carrier unit can additionally or alternatively be cohesively connected to the sleeve element.
  • fastening element 305 is guided through further elastomer element 325, through sleeve element 330 with carrier unit 105 arranged on sleeve element 330, and through elastomer element 320 into receiving opening 300, in order to fix carrier unit 105 to housing 100 .
  • FIG. 4 shows a schematic cross-sectional representation of a fixing device 110 according to an embodiment.
  • the fixing device 110 shown here corresponds to or is similar to the fixing device described in the previous figures.
  • a fastening element 305 of the fixing device 110 is guided, merely by way of example, through a further elastomer element 325, through a sleeve element 330 to which the carrier unit 105 is fastened, and through an elastomer element 320 into a receiving opening 300 of a fastening base 120 of the housing.
  • FIG. 5 shows a schematic representation of a carrier unit 105 according to an exemplary embodiment.
  • the carrier unit 105 shown here corresponds or is similar to the carrier unit described in the previous figures.
  • the carrier unit 105 in this exemplary embodiment comprises a first fixing opening 505 arranged at a first end 500 of the carrier unit 105 for fixing the carrier unit 105 to a housing, as has been described in the preceding figures.
  • a sleeve element 330 is arranged in the first fixing opening 505, which is shaped to enclose a fastening element, as was described in the previous FIGS. 3 and 4, purely by way of example.
  • the carrier unit 105 also has a second end 510 which, by way of example, is arranged opposite the first end 500 .
  • the second end 510 comprises a second fixing opening 515 congruent to the first end 500, in which a further sleeve element 520 for receiving a further fastening element of a further fixing device is arranged.
  • FIG. 6 shows a schematic representation of a carrier unit 105 with a fixing device 110 and a further fixing device 115 according to an exemplary embodiment.
  • the carrier unit 105 shown here corresponds or is similar to the carrier unit described in the preceding figures.
  • the carrier unit 105 is fixed to a housing 100 in this exemplary embodiment by means of a fixing device 110 and a further fixing device 115 .
  • the fixing device 110 corresponds to or is similar to the fixing device described in the previous figures and comprises a fastening element 305, an elastomeric element
  • the further fixing device 115 is formed congruently with the fixing device 110, with a further fastening element 600 engaging in a further fastening base 125 merely by way of example.
  • FIG. 7 shows a schematic representation of a carrier unit 105 with a fixing device 110 and a further fixing device 115 according to an exemplary embodiment.
  • the carrier unit 105 shown here corresponds or is similar to the carrier unit described in the previous figures, and the fixing device 110 shown here and the additional fixing device 115 correspond to the fixing device described in the previous figures and the additional fixing device described in FIGS.
  • the boundary contour 200 delimiting the winding space can again be seen on the carrier unit 105 .
  • FIG. 8 shows a flow chart of a method 800 for manufacturing a fuser device according to an embodiment.
  • the method 800 includes a step 805 of providing the carrier unit, the fastening element, the elastomer element and the housing and a step 810 of assembling the carrier unit, the fastening element, the elastomer element and the housing in such a way that the fixing device is produced.
  • an exemplary embodiment includes an "and/or" link between a first feature and a second feature, this can be read in such a way that the
  • Embodiment according to one embodiment has both the first feature and the second feature and according to a further embodiment either only the first feature or only the second feature.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

L'invention concerne un dispositif de fixation (110) permettant de fixer une unité de support (105) à un boîtier (100), le dispositif de fixation (110) comprenant au moins un élément de fixation (305) et au moins un élément élastomère (320, 325) qui est ou peut être situé entre une unité de support (105) et le boîtier (100) ou entre l'élément de fixation (305) et l'unité de support (105).
PCT/EP2022/062559 2021-05-11 2022-05-10 Dispositif de fixation pour fixer une unité de support à un boîtier, unité de support comprenant un dispositif de fixation et procédé de fabrication d'un dispositif de fixation WO2022238364A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102021204737.8A DE102021204737A1 (de) 2021-05-11 2021-05-11 Fixiereinrichtung zum Fixieren einer Trägereinheit an einem Gehäuse, Trägereinheit mit einer Fixiereinrichtung und Verfahren zum Herstellen einer Fixiereinrichtung
DE102021204737.8 2021-05-11

Publications (1)

Publication Number Publication Date
WO2022238364A1 true WO2022238364A1 (fr) 2022-11-17

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PCT/EP2022/062559 WO2022238364A1 (fr) 2021-05-11 2022-05-10 Dispositif de fixation pour fixer une unité de support à un boîtier, unité de support comprenant un dispositif de fixation et procédé de fabrication d'un dispositif de fixation

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DE (1) DE102021204737A1 (fr)
WO (1) WO2022238364A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1245842A2 (fr) * 1995-07-14 2002-10-02 ITW BEFESTIGUNGSSYSTEME GmbH Dispositif de fixation
WO2008046439A1 (fr) * 2006-10-19 2008-04-24 Elringklinger Ag Manchon
CN203796430U (zh) * 2014-04-24 2014-08-27 重庆润通动力有限公司 发动机的缸盖罩连接结构
DE102019207647A1 (de) * 2019-05-24 2020-11-26 Zf Friedrichshafen Ag Klemmvorrichtung und elektrische Maschine mit Klemmvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1245842A2 (fr) * 1995-07-14 2002-10-02 ITW BEFESTIGUNGSSYSTEME GmbH Dispositif de fixation
WO2008046439A1 (fr) * 2006-10-19 2008-04-24 Elringklinger Ag Manchon
CN203796430U (zh) * 2014-04-24 2014-08-27 重庆润通动力有限公司 发动机的缸盖罩连接结构
DE102019207647A1 (de) * 2019-05-24 2020-11-26 Zf Friedrichshafen Ag Klemmvorrichtung und elektrische Maschine mit Klemmvorrichtung

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DE102021204737A1 (de) 2023-09-14

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