EP0654844A1 - Dispositif de fixation d'une antenne de véhicule - Google Patents

Dispositif de fixation d'une antenne de véhicule Download PDF

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Publication number
EP0654844A1
EP0654844A1 EP94117981A EP94117981A EP0654844A1 EP 0654844 A1 EP0654844 A1 EP 0654844A1 EP 94117981 A EP94117981 A EP 94117981A EP 94117981 A EP94117981 A EP 94117981A EP 0654844 A1 EP0654844 A1 EP 0654844A1
Authority
EP
European Patent Office
Prior art keywords
body panel
projections
antenna
fastening device
fastening
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.)
Granted
Application number
EP94117981A
Other languages
German (de)
English (en)
Other versions
EP0654844B1 (fr
Inventor
Marco Schnürer
Hermann-Rainer Otto
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.)
Wilhelm Sihn jr KG
Original Assignee
Wilhelm Sihn jr KG
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 Wilhelm Sihn jr KG filed Critical Wilhelm Sihn jr KG
Publication of EP0654844A1 publication Critical patent/EP0654844A1/fr
Application granted granted Critical
Publication of EP0654844B1 publication Critical patent/EP0654844B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
    • H01Q1/1214—Supports; Mounting means for fastening a rigid aerial element through a wall

Definitions

  • the invention relates to a fastening device with the features specified in the preamble of claim 1.
  • Such a fastening device is known from DE-PS 2 616 968.
  • the known antenna there is a ring with a ground contact ring on top of a protective tube for receiving a telescopic rod (antenna rod) of the antenna as the lower fastening part.
  • a conical fastening upper part is also attached to the pipe socket, which is clamped against the fastening lower part by a clamping nut screwed onto the pipe socket.
  • the body panel which lies between the ground contact ring on the lower fastening part and the upper fastening part has a hole through which the pipe socket is pushed from below until it stops.
  • the body panel By tightening the clamping nut, the body panel is clamped between the lower and upper part of the fastening, thereby securing the antenna to the body panel with its antenna base.
  • the antenna base is at the upper end of the protective tube, it bears this name because it is at the lower end when the telescopic rod is extended.
  • the body panel is flat and the antenna runs at right angles to the body panel, so that the cutout in the body panel through which the pipe socket of the antenna is guided is a circular hole.
  • this is not the norm.
  • the area of the body panel through which the antenna is to be guided runs inclined and penetrates the body panel at an acute angle, the body panel generally not being curved but curved.
  • the cutout in the body panel through which the antenna is passed is therefore not in practice circular, but oval with a different shape from vehicle type to vehicle type.
  • the antenna base usually has a peripheral section on its lower part has exactly the contour of the edge of the cutout in the body panel, and then has an abutment surface, in particular in the form of a collar, which is shaped such that it conforms to the edge region of the cutout in the body panel from below.
  • the present invention is therefore based on the object of demonstrating a way in which the constructive outlay due to the large number of vehicle types for fastening antenna feet in body panel cutouts can be reduced.
  • the invention makes use of the knowledge that in order to achieve a defined position of the antenna in a section of a body panel, it is not necessary for the lower part of the fastening of the antenna to have a contour on the periphery which corresponds to the peripheral contour of the section in the body panel; Rather, it suffices to let the mounting base on the underside of the body panel strike in the vicinity of the cutout (as is known per se) and to force the desired position and orientation of the pipe socket of the antenna in the cutout by placing the antenna base in two places the edge of the cutout in the body panel, namely at the two vertices of the cutout, which are where the cutout has its largest diameter.
  • two projections of the antenna base are allowed to engage in the cutout of the body panel, the distance of the projections measured from the outer edge to the outer edge being equal to the largest diameter of the oval cutout or only slightly smaller.
  • the antenna base can then not be rotated in the cutout or only slightly.
  • the positions for the projections can thus be formed by bores in the lower or upper fastening part, these bores receiving a pin as a projection.
  • the holes could be threaded holes and the pins set screws. You then get by with two pins, which, depending on the vehicle type, are screwed into two suitable holes.
  • the bores could also be cylinder bores, into each of which a pin can be pressed in as a projection. In this case, too, you can basically make do with two pins that are pressed into the appropriate holes before the antenna base is installed.
  • the projections are on the lower fastening part or on the fastening upper part. They can also be located partly on the lower part and partly on the upper part. In the latter case, care must also be taken to ensure that the lower fastening part and the upper fastening part cannot be rotated against one another, which is most easily achieved by one of the projections engaging in the recess in the body panel extending into a recess in the opposite one Fastener protrudes;
  • the recess provided for this purpose is preferably a slot which runs radially or iw radially with respect to the center line of the pipe socket of the antenna and thereby prevents twisting of the upper and lower fastening parts against one another, but at the same time tolerance and position compensation in the longitudinal direction of the slot enables.
  • the projections are preferably predominantly on the fastening lower part, because this usually consists of metal and at the same time that for the Function of the antenna makes important ground contact with the body panel, whereas the upper fastening part is often made of plastic and / or is covered with a seal to prevent splash water and splash water from penetrating into the cutout of the body.
  • a preferred embodiment is characterized in that a projection is provided on the upper fastening part and extends into a recess in the lower fastening part, whereas the remaining positions for projections lie on the side of the pipe socket facing away from one projection and on the fastening Lower part are attached, from where they extend into the recess of the body panel, but do not have to engage positively in the fastening upper part.
  • the projection provided on the fastening upper part is used in any case, but only one of the remaining projections provided on the fastening lower part, whereby the remaining projections, insofar as there is not space for them in the border of the cutout in the Body panel is to be removed before assembly.
  • the body panel In the case of different vehicle types from one manufacturer, the body panel often has a similar inclination and curvature in the vicinity of the cutout provided for the installation of the antenna; This adjusts the shape of the surface of the fastening lower part as well as the fastening upper part as far as possible, so that for each of the different possible applications a sufficiently stable position of the fastening parts on the body panel, which is unproblematic on the top due to the provision of a deformable splash and splash water seal.
  • these springs compensate for deviations in shape between the contact surface of the lower fastening part and the contour of the body panel and at the same time create a ring of ground contact points around the pipe socket of the antenna, which is advantageous for the electrical behavior of the antenna.
  • the springs are preferably designed as leaf springs.
  • the leaf springs could be part of an oval ground contact ring adapted to the contour of the body panel, from which leaf spring tabs are bent and set up at an angle.
  • holes are preferably provided in the lower fastening part, into which the leaf springs are individually pressed captive as separate elements. When mounting the antenna, it is therefore not necessary to ensure that a ground contact ring is seated correctly.
  • the leaf springs are expediently designed to be pointed so that their tips can cling to the underside of the body panel. If, on the other hand, you want to make a capacitive ground contact, the leaf springs are not made to be pointed, but in such a way that they make at least one linear or preferably flat contact with the underside of the body panel, which can have a dielectric coating on the underside.
  • the antenna base has a pipe socket 1, through which a telescopic rod 2 passes, which has a head 3 at its tip, which strikes the upper edge of the pipe socket 1 when the telescopic rod is inserted.
  • a fastening lower part 5 is pushed onto the pipe socket up to the stop on a shoulder 4 and fixed from below.
  • the lower part 5 has a contact surface 7 which extends at an acute angle to the longitudinal center line 6 of the pipe socket 1 and is curved to adapt to the shape of the underside of a body panel 8.
  • the support surface 7 has an oval outline and the immediate vicinity of its edge has a ring of holes 9, into each of which a double-angled leaf spring 10 is pressed, which protrudes with its tip over the support surface 7 and in pressure exerted on the tip against its spring force into one Niche can recede in the bearing surface 7.
  • a double-angled leaf spring 10 is pressed, which protrudes with its tip over the support surface 7 and in pressure exerted on the tip against its spring force into one Niche can recede in the bearing surface 7.
  • the lower part 5 On the side of the pipe socket 1 facing away from it, the lower part 5 has three projections 14, 15 and 16 in the vicinity of the largest diameter 13. The projections 14, 15 and 16 are pressed into bores 17 of the lower part and located itself within the ring of leaf springs 10.
  • the antenna field also includes a fastening upper part 18 with a bearing surface facing the lower part 5, which has an oval outline and the contour of which is adapted to the shape of the body panel 8.
  • the antenna is inserted from below with its pipe socket through the cutout 19 provided in the body panel until the lower part 5 strikes the body panel 8 with its contact surface 7.
  • the upper part 18 is pushed onto the pipe socket 1, so that a protrusion 21 projecting downward from the bearing surface of the upper part 18, which is a pin pressed into a bore in the upper part 18 or around a nose formed on the upper part 18 can act, engages in the slot 12 of the lower part.
  • the antenna base is positioned so that the protrusion 21 comes to lie at the upper vertex 22 of the cutout 19 and that one of the protrusions 14, 15 and 16, in the illustrated example the protrusion 14, lies at the opposite, lower vertex 23 of the cutout 19 is coming.
  • the projection 16 closer to the projection 21 then protrudes freely and ineffectively into the cutout 19.
  • the projection 15 further away from the projection 19 would meet the body panel 8 next to the edge of the cutout 19 and must therefore be removed before the antenna base is installed.
  • the projections 21 and 14 together define the position of the antenna base in the cutout 19.
  • the fixation the antenna base is finally done by screwing a nut 24 onto the pipe socket 1, which pulls the lower part 5 against the body panel 8 and at the same time presses the upper part 18 against the upper side of the body panel via the seal 20, as a result of which the body panel between the lower part 5 and the upper part 18 is clamped.
  • the protruding leaf springs 10 compensate for deviations in shape between the support surface 7 of the lower part and the body panel 8 and at the same time bring about reliable ground contact at a number of locations distributed around the pipe socket 1.
  • FIG. 6 shows an example of how different cutouts in the body panel, the edge curves 25 of which are shown, can be covered with one and the same antenna base using different projections 14, 15 and 16.
EP94117981A 1993-11-18 1994-11-15 Dispositif de fixation d'une antenne de véhicule Expired - Lifetime EP0654844B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4339260 1993-11-18
DE4339260A DE4339260C1 (de) 1993-11-18 1993-11-18 Einrichtung zum Befestigen einer Fahrzeugantenne

Publications (2)

Publication Number Publication Date
EP0654844A1 true EP0654844A1 (fr) 1995-05-24
EP0654844B1 EP0654844B1 (fr) 1998-12-30

Family

ID=6502812

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94117981A Expired - Lifetime EP0654844B1 (fr) 1993-11-18 1994-11-15 Dispositif de fixation d'une antenne de véhicule

Country Status (3)

Country Link
EP (1) EP0654844B1 (fr)
AT (1) ATE175294T1 (fr)
DE (2) DE4339260C1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013074A1 (fr) * 1994-10-24 1996-05-02 Wilhelm Sihn Jr. Kg Antenne enfichable

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20221959U1 (de) 2002-05-16 2009-11-19 Kathrein-Werke Kg Antennenanordnung
DE10313664B3 (de) * 2003-03-26 2004-10-21 Daimlerchrysler Ag Antennenbefestigungsvorrichtung
DE102009056202A1 (de) 2009-11-28 2010-07-15 Daimler Ag Befestigungsanordnung einer Antenne an einem Beplankungselement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953630A (en) * 1958-06-24 1960-09-20 Ward Products Corp Antenna mounting
US4136986A (en) * 1977-06-20 1979-01-30 Quick-Mount Manufacturing Company, Inc. Automobile antenna mount structure
EP0347278A1 (fr) * 1988-06-10 1989-12-20 Mecaniplast Embase d'antenne destinée à permettre la fixation d'une antenne sur une paroi, et butée notamment pour une telle embase
DE9102092U1 (fr) * 1991-02-22 1991-05-16 Hans Kolbe & Co, 3202 Bad Salzdetfurth, De

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1236035B (de) * 1962-04-24 1967-03-09 Hirschmann Radiotechnik Nichtversenkbare Stab- oder Teleskopantenne fuer Kraftfahrzeuge
DE2616968C2 (de) * 1976-04-17 1982-12-09 Richard Hirschmann Radiotechnisches Werk, 7300 Esslingen Massekontaktring für eine Fahrzeugantenne

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2953630A (en) * 1958-06-24 1960-09-20 Ward Products Corp Antenna mounting
US4136986A (en) * 1977-06-20 1979-01-30 Quick-Mount Manufacturing Company, Inc. Automobile antenna mount structure
EP0347278A1 (fr) * 1988-06-10 1989-12-20 Mecaniplast Embase d'antenne destinée à permettre la fixation d'une antenne sur une paroi, et butée notamment pour une telle embase
DE9102092U1 (fr) * 1991-02-22 1991-05-16 Hans Kolbe & Co, 3202 Bad Salzdetfurth, De

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013074A1 (fr) * 1994-10-24 1996-05-02 Wilhelm Sihn Jr. Kg Antenne enfichable

Also Published As

Publication number Publication date
DE59407558D1 (de) 1999-02-11
EP0654844B1 (fr) 1998-12-30
DE4339260C1 (de) 1995-07-06
ATE175294T1 (de) 1999-01-15

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