EP0888030B1 - Assemblage de blocage à crochet - Google Patents

Assemblage de blocage à crochet

Info

Publication number
EP0888030B1
EP0888030B1 EP19980110158 EP98110158A EP0888030B1 EP 0888030 B1 EP0888030 B1 EP 0888030B1 EP 19980110158 EP19980110158 EP 19980110158 EP 98110158 A EP98110158 A EP 98110158A EP 0888030 B1 EP0888030 B1 EP 0888030B1
Authority
EP
European Patent Office
Prior art keywords
locking hook
edge
web
webs
locking
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.)
Expired - Lifetime
Application number
EP19980110158
Other languages
German (de)
English (en)
Other versions
EP0888030A2 (fr
EP0888030A3 (fr
Inventor
Gerhard Wandl
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.)
Harman Becker Automotive Systems GmbH
Original Assignee
Harman Audio Electronic Systems GmbH
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 Harman Audio Electronic Systems GmbH filed Critical Harman Audio Electronic Systems GmbH
Publication of EP0888030A2 publication Critical patent/EP0888030A2/fr
Publication of EP0888030A3 publication Critical patent/EP0888030A3/fr
Application granted granted Critical
Publication of EP0888030B1 publication Critical patent/EP0888030B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/34—Directing or guiding sound by means of a phase plug
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers

Definitions

  • the invention relates to a latching hook arrangement, in particular one for fixing magnet systems with loudspeaker baskets.
  • loudspeaker baskets are constructed so that at mutual axial distance in the direction of the loudspeaker axis a bottom and an upper edge is present and that the upper edge is connected to the bottom with at least one intermediate piece.
  • Such an arrangement, which shows a plurality of intermediate pieces, is shown for example in DE-A-41 130 17.
  • an arrangement with an intermediate piece is understood to mean one in which the entire circumference of the base is continuously connected to the entire circumference of the upper edge. The latter does not exclude that in such an intermediate piece openings are formed.
  • loudspeakers are also known which have a magnet system arranged inside the loudspeaker basket. Such an arrangement is shown for example in DE-A-196 18 898 in more detail.
  • a magnet system is understood to mean not only the unit formed from return-path parts, holders and the permanent magnets, but also the individual parts (return-circuit parts, holders and permanent magnets) themselves, which form such a magnet system.
  • connection of ground and magnet system is solved in many ways in the prior art.
  • Known types of connection in this context are the bonding, riveting and screwing.
  • the latching is specified as a connection technique (such as in DE-A-40 31 742), whereby it should always be noted that such a connection technique can be used only in very light magnetic systems.
  • the reasons that lead to the limited usability of snap-in connections are that latching hooks are not able to permanently magnetic systems, such as mid or woofers permanently connected to the bottom of the speaker basket connect. The reason for this is that for tolerance compensation formed with the magnetic system or the parts of the magnet system coming into contact edges of the locking hooks are formed beveled and thus the latching hooks or their edges have only a linear contact with the magnet system.
  • US 4 852 178 shows the clamping of a loudspeaker only by turning a clamping ring on a provided with snap hook plate.
  • the invention is therefore based on the object to provide a latching hook arrangement, with which a magnet system can be locked regardless of the weight of the magnet system, without further external security measures for such a latching connection are necessary.
  • each of the latching hook receives a predetermined desired position to the second component. If the frictional force, which is necessary for screwing in the webs of the first latching hooks between the edges and the associated securing edges, is not considered sufficient to prevent later removal of the webs from the just defined position, additional securing means can be arranged according to claim 2.
  • connection between the two components is given if - as stated in claim 3 - the securing means from the second locking hook of specified type are formed, since in this case the first locking hooks only need to absorb axial forces and the second locking hooks are responsible only to avoid mutual rotation of both components in the connected state.
  • this type of connection it is ensured by this type of connection that the two components are later sorted recoverable because only one tool must pry the first and second locking hooks from their respective desired position to dissolve the connection.
  • reference numeral 10 is a holder for a Magtnetsystem DE-A-196 18 898 described in more detail.
  • Reference numeral 11 designates a loudspeaker basket for such a magnet system, but only the bottom plate 12 of the loudspeaker basket 11 is shown in more detail.
  • On the underside 13 of the bottom plate 12 are first latching hooks 14.1 - 4 visible These first latching hooks 14.1 - 4 are each formed by a web 15 and a arranged at the free end of the web 15 ramp 16.
  • each web 15 still includes a contact shoulder 13 ', which is formed in the present case of the bottom 13 of the bottom plate 12.
  • the holder 10 includes, inter alia, a circular edge 17. In this edge 17 four apertures 18.1 - 4 are arranged. As illustrated for the breakthrough 18.1, each aperture 18 is formed by an edge 19 and a securing edge 20, wherein in plan view of a holder 10, the respective right and left end of a securing edge 20 is parallel to the edge 19 of the respective opening 18. In addition, Fig. 1 is removable, that the respective right end of the openings 18 and that of the respective edge 19 and the associated securing edge 20 has a distance A. This distance A corresponds to the thickness D of the webs 15 of the first latching hooks 14th
  • these securing means are formed by the second latching hook 14 ', which are each formed by a contact shoulder 13'', a web 15' and a ramp 16 ''.
  • the webs 15 'of the second latching hook 14' extend parallel to the contact shoulders 13 'of the first latching hooks 14 and to the bottom 13 of the bottom plate 12.
  • the Investment shoulders 13 '' of the second locking hooks 14 'and the webs 15 of the first locking hooks 14 are equal distance A' to a common center M (Fig. 1).
  • edge 17 are respectively provided at the right ends of the apertures 18 and with a lateral distance to these slots 21.
  • the bottom plate 12 is lowered onto the holder 10, penetrate the second latching hooks 14 'the openings 18. Then takes place after the first latching hooks 14 have embraced the edge 19, the rotational movement in the direction of arrow P2 ( Fig. 2), thread the abutment shoulders 13 '' in the distance A of the apertures 18 a. During this threading, the ramps 16 "of the second catch hooks 14 'slide on the underside 22 of the rim 17 until the ramps 16" meet the slots 21. Since the webs 15' are resilient during sliding on the underside 22 of the rim 17. *** " were deformed, this deformation is restored as soon as the respective ramp 16 "hits a slot 21.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Hooks, Suction Cups, And Attachment By Adhesive Means (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Claims (4)

  1. Dispositif de crochet de blocage,
    avec au moins un premier crochet de blocage (14) comportant un épaulement d'appui (13'), une traverse (15) partant à angle droit de l'épaulement d'appui ainsi qu'une rampe (16) disposée sur l'extrémité libre de la traverse,
    les premiers crochets de blocage étant formés sur un premier composant (11),
    un deuxième composant (10) étant présent, lequel présente au moins un bord (19) disposé à l'état d'assemblage des deux composants (10, 11) entre les épaulements d'appui et la rampe d'un premier crochet de blocage,
    caractérisé en ce que
    un bord de fixation (20) s'étend essentiellement parallèlement au dit bord, et
    en ce que l'intervalle A entre chaque bord et le bord de fixation correspondant est égal à l'épaisseur D de la traverse du premier crochet de blocage.
  2. Dispositif de crochet de blocage selon la revendication 1,
    caractérisé en ce que
    des moyens de fixation (14', 21) sont présents, qui à l'état d'assemblage des deux composants (10, 11) empêchent un déplacement longitudinal des traverses (15) des premiers crochets de blocage (14) vers le bord de fixation (20) ou le bord (19) correspondant.
  3. Dispositif de crochet de blocage selon la revendication 2,
    caractérisé en ce que
    les moyens de fixation sont formés d'au moins un deuxième crochet de blocage (14'), comportant également un épaulement d'appui (13"), une traverse (15') partant à angle droit de l'épaulement d'appui ainsi qu'une rampe (16") disposée sur l'extrémité libre de la traverse, la traverse du deuxième crochet de blocage s'étendant toutefois parallèlement à l'épaulement d'appui (13') du premier crochet de blocage (14).
  4. Dispositif de crochet de blocage selon la revendication 3,
    caractérisé en ce que
    toutes les traverses (15) des premiers crochets de blocage (14) sont à même distance A' d'un centre M commun, et
    en ce que l'épaulement d'appui (13") du ou des deuxièmes crochets de blocage (14') est également à la même distance A' du centre M.
EP19980110158 1997-06-23 1998-06-04 Assemblage de blocage à crochet Expired - Lifetime EP0888030B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29710898U 1997-06-23
DE29710898U DE29710898U1 (de) 1997-06-23 1997-06-23 Rasthakenanordnung

Publications (3)

Publication Number Publication Date
EP0888030A2 EP0888030A2 (fr) 1998-12-30
EP0888030A3 EP0888030A3 (fr) 2005-09-14
EP0888030B1 true EP0888030B1 (fr) 2006-08-16

Family

ID=8042007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19980110158 Expired - Lifetime EP0888030B1 (fr) 1997-06-23 1998-06-04 Assemblage de blocage à crochet

Country Status (2)

Country Link
EP (1) EP0888030B1 (fr)
DE (2) DE29710898U1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2908710B1 (fr) * 2006-11-22 2009-01-16 Renault Sas Dispositif de fixation d'un haut-parleur sur un panneau de vehicule
DE202017106399U1 (de) * 2017-10-23 2017-11-02 Dr. Schneider Kunststoffwerke Gmbh Haltevorrichtung und Baugruppe mit einer Haltevorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4359133A (en) * 1980-03-28 1982-11-16 Motorola, Inc. Resilient support for electronic component
DE3407367A1 (de) * 1984-02-29 1985-08-29 Hans 7100 Heilbronn Donnermayer Halterung fuer lautsprecher
DE3512896C2 (de) * 1985-04-11 1993-10-28 Telefunken Fernseh & Rundfunk Lautsprechereinheit
DE3609832A1 (de) * 1986-03-22 1987-09-24 Electronic Werke Deutschland Lautsprecher
US4852178A (en) * 1987-10-02 1989-07-25 Motorola, Inc. Speaker retaining assembly
DE3918053A1 (de) * 1989-06-02 1990-12-06 Nokia Unterhaltungselektronik Lautsprecher mit bajonettverschluss
US5568562A (en) * 1994-11-28 1996-10-22 Vocal Co., Ltd. Releasably mounted compound loudspeakers

Also Published As

Publication number Publication date
EP0888030A2 (fr) 1998-12-30
DE29710898U1 (de) 1997-08-28
EP0888030A3 (fr) 2005-09-14
DE59813685D1 (de) 2006-09-28

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