EP0816612A1 - Dispositif d'arrêt notamment pour porte de véhicule automobile - Google Patents

Dispositif d'arrêt notamment pour porte de véhicule automobile Download PDF

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Publication number
EP0816612A1
EP0816612A1 EP97108372A EP97108372A EP0816612A1 EP 0816612 A1 EP0816612 A1 EP 0816612A1 EP 97108372 A EP97108372 A EP 97108372A EP 97108372 A EP97108372 A EP 97108372A EP 0816612 A1 EP0816612 A1 EP 0816612A1
Authority
EP
European Patent Office
Prior art keywords
latching
locking
rail
peripheral surface
locking device
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
EP97108372A
Other languages
German (de)
English (en)
Other versions
EP0816612B1 (fr
Inventor
Jörg Ing. P. Eur. Linnenbrink
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.)
Friedr Fingscheidt GmbH
Original Assignee
Friedr Fingscheidt 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 Friedr Fingscheidt GmbH filed Critical Friedr Fingscheidt GmbH
Publication of EP0816612A1 publication Critical patent/EP0816612A1/fr
Application granted granted Critical
Publication of EP0816612B1 publication Critical patent/EP0816612B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
    • E05C17/20—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide
    • E05C17/203—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide concealed, e.g. for vehicles

Definitions

  • the present invention relates to a locking device, especially for vehicle door brackets, with two relative to each other movable functional parts, namely a locking rail and loaded with at least one spring force with an essentially rotationally symmetrical Peripheral surface resting on a surface of the locking rail, rotatable locking body.
  • Such a locking device is special, for example for a door holder from EP-A-0 643 185 in several different Design variants known. It is in each case essential that the locking body - there locking roller called - rotatably guided for rolling on the locking rail is. Through this rotatable arrangement, the friction - and so that wear and tear is kept low.
  • Another, also generic locking device is also in Japanese patent application JP 83-151681 or the corresponding patent JP 3-13392 B2.
  • a roller or roller sits in this way in a bearing seat a guide body that they rotate with their outer circumferential surface slides in the bearing receptacle.
  • the role is to achieve low friction are made from hardened case hardening steel and are extremely smooth Show surface (very low roughness).
  • the guide body made of a certain plastic (polyacetal resin) consist.
  • the present invention has for its object a To create latching device of the generic type that guarantees a significantly longer service life, without requiring any significant maintenance work would be.
  • this is achieved in that the locking body in the area of its peripheral surface as well as the locking rail in the area of their interacting with the locking body Surface made of different materials, and on the one hand made of metal with a defined roughened Surface structure and on the other hand from such an elastic compliant material that between the on the Locking rail rolling peripheral surface of the locking body and the surface of the locking rail due to elastic deformation of the compliant material with a flat contact Adhesion is achieved.
  • the locking body made of metal and the locking rail at least in part from the compliant material exist, in particular a relative soft plastic with a hardness around 72 up to 80 Shore-D.
  • the invention is due to the relatively large area Contact between the locking body and the locking rail always such a high frictional connection (high system frictional force) present that the locking body in its relative movement always rolls reliably on the locking rail, i.e. there is an unwanted standstill of the locking body and hence a pure sliding friction with very high security avoided, but it occurs through the invention only a low rolling friction.
  • the invention is based on the knowledge that the State of the art mainly identified wear problems because the locking body is not always rolls, but that it is due to the total acting in the system Forces - the locking body against the Locking rail pushing force an essential because of their size Role plays - often to an unwanted standstill the rotational movement comes; the locking body slides then just over the surface of the locking rail, what leads to high wear relatively quickly.
  • the latching rail preferably "practically" conforms to the latching body or its peripheral contour due to its material-specific elastic resilience, which, in combination with the relatively rough surface of the latching body, ensures very good contact.
  • the person skilled in the art can in principle determine the degree of roughness of the latching body by appropriate tests.
  • the roughness should not exceed a value R Z of around 600 ⁇ m, if possible, so that noise and wear remain low.
  • the elastic preferably at least in the surface area the locking rail used material a special plastic, in particular a thermoplastically processable polyurethane elastomer (Polyester urethane), found to be particularly suitable.
  • a special plastic in particular a thermoplastically processable polyurethane elastomer (Polyester urethane), found to be particularly suitable.
  • a material is in particular under the registered "Desmopan” brand available from Bayer AG, especially the type “Desmopan 372" suitable is.
  • This special, preferably used Material has a hardness in the range of about 73 to 75 Shore-D.
  • the locking body as in particular hollow cylindrical race is designed for the purpose Rotational bearing on a non-rotating, bolt-shaped Axis sits.
  • the one in the field of rotational storage frictional force occurring between the axle and the race can with a suitable (permanent) lubricant, in particular Fat, advantageously kept very low be so that this frictional force of rotation only as counteracts very little resistance.
  • the locking body 4 lies with its rotationally symmetrical, preferably cylindrical Circumferential surface 10 on a surface 12 of the locking rail 6 on, being vertical for a firm and secure fit for the longitudinal extension of the locking rail 6 with a spring force F is applied.
  • the locking body 4 is about his Longitudinal central axis rotatably mounted so that it is in the relative movements in the double arrow direction 8 each on the Rolls surface 12 of the locking rail 6 (see. The double arrow 14 in Fig. 6).
  • the locking rail 6 at least in the area of their with the locking body 4th interacting surface 12 of an elastically resilient, relatively soft material 16 is made.
  • the locking rail 6 consists of a metal core 18 and a coating or a coating 20 the elastic material 16, the cover 20 preferably at any point of the interacting with the locking body 4 Surface 12 a thickness of at least 1 mm having.
  • the metal core 18 expediently holes made by the Material 16 are penetrated.
  • the material 16 is approximately 72 in hardness up to 80 Shore-D relatively soft and therefore elastic compliant that it is practically the circumferential contour of the Locking body 4 "nestles". 6 in one greatly enlarged illustration illustrated. At a Movement of the locking body 4 in the direction of arrow 22 over the This deforms surface 12 of the locking rail 6 Material 16 so elastic that the locking body 4 practical pushes a kind of "wave" in front of it; he lies there over a relatively large investment area with high Traction on the surface 12.
  • thermoplastically processable polyurethane elastomer polyester urethane
  • a material which is available from Bayer AG under the registered trademark "Desmopan” is particularly suitable, specifically in particular the type "Desmopan 372". This material is characterized by the properties contained in the table below: Test conditions units Norms Desmopan 372 MECHANICAL PROPERTIES Shore hardness A / D (tolerance ⁇ 2 units) ISO 868 (DIN 53505) approx.
  • This material used according to the invention despite its softness and elastic flexibility through partial cross-linking its molecular chains are still relatively high Strength and toughness.
  • the material is elastic, but still very durable. There are no material detachments to fear and there is an advantageous low noise, at least less than with a harder material, e.g. (aramid) fiber reinforced Polyamide (Kevlar®).
  • the locking body 4 is roughened in a defined manner in the region of its peripheral surface 10.
  • the peripheral surface 10 of the locking body 4 can have a surface structure roughened by embossing, rolling, cording, cross knurling and / or shot peening. It is important here that this roughened surface structure is at least in the circumferential direction or rotational direction alternating elevations and depressions.
  • the surface structure of the circumferential surface 10 of the latching body 4 should, however, in any case be designed according to the invention in such a way that the latching body 4 is guided in a force-neutral manner in the axial direction when rolling.
  • the roughness should not exceed a maximum roughness depth R Z of about 600 ⁇ m.
  • the elevation or depression distance t should be approximately 0.6 mm.
  • the peripheral surface 10 of the locking body 4 can, however, also be shot-peened with a corresponding design or with corresponding dimensions.
  • the locking body 4 as a rotationally symmetrical, preferably hollow cylindrical race 24 trained and on a non-rotating, preferably bolt-shaped axis 26 is mounted.
  • 2 is here the axis 26 in a direction perpendicular to the direction (Double arrow 8) slidably guided with the spring force F acted upon guide body 28 held.
  • the guide body 28 is used to generate the spring force F by a Compression spring 30 acted upon.
  • a friction force F 1 acts in the area of the bearing between the axis 26 and the race 24. As a product with the associated radius r 1, this force F 1 generates a corresponding “braking torque”.
  • a contact friction force F 2 which forms a corresponding torque with the associated outer radius r 2 of the latching body 4, which torque is advantageously greater than the "braking torque" in any case. This helps to ensure that the locking body 4 always rolls safely.
  • 5b illustrates a cord, which are also possible, although because of the emerging Axial force is not quite as advantageous.
  • the locking rail 6 has one Door holder 1, however, several, for example three or four, Resting points or recesses arranged over their length 32. This can, for example Closed position, an open position and preferably also an intermediate position (so-called garage position) of one Vehicle door can be defined.
  • Fig. 1 and 2 illustrate embodiment of the door holder 1 this has two similar locking body 4, the opposite Direction of action with the interposition of Locking rail 6 on its opposite surfaces 12 lie on.
  • Each locking body 4 is with the spring force F acted on, so that in total in the system twice the value the spring force F acts.
  • the locking body 4 act with each opposite locking recesses 32 together.
  • the locking rail 6 has one end articulated to a vehicle spar, not shown Retaining strap of the door holder 1 forms during the or the locking body 4 in a on or in a vehicle door attachable holding part 34 is / are.
  • the opening and closing movements of the vehicle door will the locking rail 6 is pushed into the door or pulled out of the door; it is the basic Principle of a "cantilever", in which the free End of the locking rail 6 is basically free inside the door is mobile.
  • the invention is also unsuitable for one shown alternative of a door holder 1, in which the or the locking body 4 in a connected with a tether Holding part is / are guided while the locking rail 6 can be fastened inside the vehicle door.
  • the locking rail 6 forms a "guideway" for itself holding part moving in the door.
  • the invention allows the locking body to roll securely 4 can be guaranteed.
  • the following also occur important advantages.
  • the spring force F by at least 15 to 20% can be reduced, depending on the geometry of the Locking rail 6, in particular the flank angle ⁇ of the locking recesses 32 (see FIG. 2) even up to 50% or more.
  • a total spring force of approx. 1700 N required in the system; through the invention can thus in extreme cases a reduction to only about 850 N or even less can be achieved.
  • flank angle ⁇ of the recesses 32 is chosen to be steeper will. This would not be the case with the conventional door holder possible because this leads to increased wear in the area the recesses 32 would lead. This increased wear is according to the invention by the special plastic material avoided. Because of the drastic reduction the spring force F is advantageously a lighter one Actuation between the locking positions reached. By the The steeper flank angle ⁇ makes the locking positions more precise and more precisely defined; only occurs in the rest area smaller door pivot angle than "play".
  • the locking body could also be provided at least in part from the elastic material and the locking rail made of a harder material, e.g. Metal, to train.
  • the axis 26 and the race 24 in one piece e.g. be designed as a turned part (low Manufacturing costs, mass production: no friction between Metal parts, so hardening is not necessary; the stub axles preferably run in plastic bearing shells).
  • the Knurling according to the invention can advantageously according to DIN RGE 06 be executed.
  • the invention is also up to now not yet on the combination of features defined in claim 1 restricted, but can also by any different combination of certain characteristics all in all disclosed individual features can be defined. This means, that basically practically every single feature of the claim 1 omitted or by at least one other The single feature disclosed in place of the application is replaced can be. In this respect, claim 1 is only as one to understand the first attempt to formulate an invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)
  • Window Of Vehicle (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP97108372A 1996-07-06 1997-05-23 Dispositif d'arrêt notamment pour porte de véhicule automobile Expired - Lifetime EP0816612B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29611819U 1996-07-06
DE29611819U DE29611819U1 (de) 1996-07-06 1996-07-06 Rastvorrichtung insbesondere für Fahrzeug-Türhalter

Publications (2)

Publication Number Publication Date
EP0816612A1 true EP0816612A1 (fr) 1998-01-07
EP0816612B1 EP0816612B1 (fr) 1999-09-29

Family

ID=8026179

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97108372A Expired - Lifetime EP0816612B1 (fr) 1996-07-06 1997-05-23 Dispositif d'arrêt notamment pour porte de véhicule automobile

Country Status (3)

Country Link
EP (1) EP0816612B1 (fr)
DE (2) DE29611819U1 (fr)
ES (1) ES2112228T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6842943B2 (en) 2000-05-20 2005-01-18 Edscha Ag Pressure-ball sliding doorstop
FR2874051A1 (fr) * 2004-08-05 2006-02-10 Andre Prieur Arret de porte a positions de maintien indeterminees
EP1728949A1 (fr) * 2005-05-31 2006-12-06 Van den Heuvel, Cristiaan Stefanus Lambertus Petru s Dispositif d'arrêt de porte
WO2012131187A1 (fr) 2011-03-28 2012-10-04 Mgi Coutier Dispositif d'arrêt de porte pour portière de véhicule notamment automobile

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29606304U1 (de) * 1996-04-05 1996-06-27 Friedr. Fingscheidt GmbH, 42551 Velbert Türhalter für Fahrzeugtüren
DE19800678A1 (de) * 1998-01-10 1999-07-22 Scharwaechter Ed Gmbh Türfeststeller für Kraftwagentüren
DE19836049B4 (de) * 1998-08-10 2004-02-26 Siegenia-Aubi Kg Sicherheitseinrichtung für einen Flügel eines Fensters
EP1249569B1 (fr) * 2001-04-13 2004-02-04 Gammastamp S.p.A. Arrêt de porte avec amortisseur de chocs pour véhicules
DE102006025216B4 (de) * 2006-05-29 2009-10-29 Ise Automotive Gmbh Türfeststeller für Kraftfahrzeuge
CN109209081A (zh) * 2018-11-20 2019-01-15 丰业迪睦斯（芜湖）汽车部件有限公司 新型的侧门限位器金属弹簧壳体结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0418783A1 (fr) * 1989-09-18 1991-03-27 Thunderline Corporation Dispositif d'arrêt pour porte de véhicule automobile
DE4325551A1 (de) * 1993-03-18 1994-09-22 Scharwaechter Gmbh Co Kg Türhaltestange für einen Kraftwagentürfeststeller
US5474344A (en) * 1994-03-30 1995-12-12 Bloxwich Korea Co., Ltd. Multi-stage door opening device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0418783A1 (fr) * 1989-09-18 1991-03-27 Thunderline Corporation Dispositif d'arrêt pour porte de véhicule automobile
DE4325551A1 (de) * 1993-03-18 1994-09-22 Scharwaechter Gmbh Co Kg Türhaltestange für einen Kraftwagentürfeststeller
US5474344A (en) * 1994-03-30 1995-12-12 Bloxwich Korea Co., Ltd. Multi-stage door opening device

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6842943B2 (en) 2000-05-20 2005-01-18 Edscha Ag Pressure-ball sliding doorstop
FR2874051A1 (fr) * 2004-08-05 2006-02-10 Andre Prieur Arret de porte a positions de maintien indeterminees
WO2006024736A1 (fr) * 2004-08-05 2006-03-09 Prieur Andre Arret de porte a positions de maintien indeterminees
CN100504015C (zh) * 2004-08-05 2009-06-24 安德烈·普里厄 使门止动于未定的保持位置的止动装置
US7578029B2 (en) 2004-08-05 2009-08-25 Andre Prieur Door stop with indeterminate retaining positions
JP4825801B2 (ja) * 2004-08-05 2011-11-30 プリユール，アンドレ 扉の不定位置を維持する止め具
EP1728949A1 (fr) * 2005-05-31 2006-12-06 Van den Heuvel, Cristiaan Stefanus Lambertus Petru s Dispositif d'arrêt de porte
WO2012131187A1 (fr) 2011-03-28 2012-10-04 Mgi Coutier Dispositif d'arrêt de porte pour portière de véhicule notamment automobile

Also Published As

Publication number Publication date
EP0816612B1 (fr) 1999-09-29
ES2112228T3 (es) 2000-01-01
ES2112228T1 (es) 1998-04-01
DE59700493D1 (de) 1999-11-04
DE29611819U1 (de) 1996-09-05

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