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WO2016166009A1 - Douille de guidage pour un siège de véhicule, siège de véhicule et procédé servant à fabriquer une douille de guidage - Google Patents

Douille de guidage pour un siège de véhicule, siège de véhicule et procédé servant à fabriquer une douille de guidage Download PDF

Info

Publication number
WO2016166009A1
WO2016166009A1 PCT/EP2016/057601 EP2016057601W WO2016166009A1 WO 2016166009 A1 WO2016166009 A1 WO 2016166009A1 EP 2016057601 W EP2016057601 W EP 2016057601W WO 2016166009 A1 WO2016166009 A1 WO 2016166009A1
Authority
WO
WIPO (PCT)
Prior art keywords
rod
guide sleeve
insert
sleeve
sleeve body
Prior art date
Application number
PCT/EP2016/057601
Other languages
German (de)
English (en)
Inventor
Karsten Wehling
Original Assignee
Johnson Controls 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
Priority claimed from DE102015214990.0A external-priority patent/DE102015214990B4/de
Application filed by Johnson Controls Gmbh filed Critical Johnson Controls Gmbh
Publication of WO2016166009A1 publication Critical patent/WO2016166009A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/806—Head-rests movable or adjustable
    • B60N2/809—Head-rests movable or adjustable vertically slidable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/80—Head-rests
    • B60N2/897—Head-rests with sleeves located in the back-rest for guiding the rods of the head-rest
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2205/00—General mechanical or structural details
    • B60N2205/20—Measures for elimination or compensation of play or backlash

Definitions

  • the invention relates to a guide sleeve for receiving a rod of a
  • Headrest with a sleeve body having a rod receptacle for receiving the rod.
  • Another object of the invention is a vehicle seat for a motor vehicle with a backrest and with a headrest. Furthermore, the invention relates to a method for producing a guide sleeve for receiving a rod of a headrest with a sleeve body having a rod receptacle for receiving the rod.
  • PRIOR ART DE 199 19 335 B4 describes a guide sleeve which is used for fastening a headrest to the backrest of a vehicle seat.
  • the guide sleeve is inserted into an opening in the backrest of a vehicle seat and serves to receive the rod of the headrest.
  • the rod can be moved in the guide sleeve and possibly locked in a predetermined detent position.
  • the invention is based on the object to improve a guide sleeve of the type mentioned above, in particular to reduce the noise caused by movement of the rod of the headrest in the guide sleeve, and to provide a vehicle seat with a guide sleeve according to the invention and a method for producing a guide sleeve according to the invention.
  • a guide sleeve for receiving a rod of a headrest with a sleeve body having a rod receptacle for receiving the rod, and with a on the inner contour of the rod receptacle
  • the surface texture of the inner contour of the rod holder can be set at least in sections.
  • the nature of the surface of the inner contour of the rod receptacle can be chosen such that movements of the rod in the guide sleeve are reduced, which is a lesser
  • the sleeve body is formed of a first material and the insert is formed of a second, deviating from the first material.
  • the sleeve body is made of a material with a high
  • the material of the sleeve body has a higher impact resistance than the material of the insert. It has proven to be advantageous if the sleeve body is made of a polyamide, for example nylon or Perlon. It is particularly advantageous if the
  • Sleeve body of an impact-modified polyamide such as impact-modified nylon or impact modified Perlon is formed.
  • the sleeve body may be made of Akulon® K223-TP4.
  • an advantageous embodiment provides that the insert is formed from a material with a low coefficient of friction, whereby the force required for height adjustment of the headrest is reduced.
  • the insert is formed from a material with a low coefficient of friction, whereby the force required for height adjustment of the headrest is reduced.
  • the coefficient of friction of the material of the insert with respect to a given reference material is less than that
  • the insert may be formed of a material comprising polyoxymethylene (POM). It is particularly preferred if the insert has a slip additive.
  • the slip additive may be molybdenum disulfide, Teflon, chalk, wax or silicone.
  • the insert from HOSTAFORM® C9021
  • the insert is designed such that it partially or completely engages around a rod inserted into the rod receptacle.
  • the insert may be formed as a sleeve.
  • the sleeve body has a recess arranged on the inner contour of the rod receptacle, in particular a groove, in which the insert engages, whereby the insert can be fixed relative to the sleeve body.
  • the insert is designed such that it protrudes at least partially from the inner contour of the rod receptacle, so that the cross-sectional area of the rod receptacle is reduced.
  • the insert preferably has a projection which reduces the cross-sectional area of the rod receptacle.
  • Projection can be designed as a circumferential, in particular closed, projection around a longitudinal axis of the rod receptacle.
  • the protrusion may be dimensioned such that the extent of the cross-sectional area of the rod receptacle is reduced by a value in the range of 0.05 mm to 0.2 mm, in particular by 0.01 mm.
  • the insert has a plurality of projections spaced apart along the longitudinal axis of the rod receptacle, so that a
  • a further advantageous embodiment provides that the guide sleeve has a plurality of inserts arranged on the inner contour of the rod receptacle, whereby the retention of the rod of the headrest in the guide sleeve can be further improved.
  • Position can be set against the backrest.
  • a vehicle seat for a motor vehicle with a backrest and with a headrest wherein a guide sleeve described above is arranged on the backrest for fastening the headrest to the backrest.
  • the object is further achieved by a method for producing a
  • the insert is arranged by an injection molding process on the inner contour of the rod receptacle, so that the production of the insert and the connection of the insert with the
  • Sleeve body can be done in a common process step. It is not necessary to first produce the insert and then to arrange in an assembly step on the sleeve body.
  • both the insert and the sleeve body are produced by an injection molding process, in particular a two-component injection molding process, so that both the insert and the sleeve body can be produced with a common injection molding machine.
  • FIG. 8 is an illustration of a guide sleeve according to a fourth
  • a vehicle seat 1 for a motor vehicle is shown, which may be designed as a front seat or as a back seat.
  • the vehicle seat 1 has a backrest 2, of which in FIG. 1 only one frame is shown.
  • a headrest 3 is arranged, which has two parallel rods 4, which in at the top of theticianlehen second
  • each have a guide sleeve 5 is arranged, via which the rods 4 can be fixed to the backrest 2 of the vehicle seat 1.
  • FIGS. 2 and 3 are illustrations in FIGS. 2 and 3, respectively.
  • Guide sleeve 5 according to a first embodiment, a substantially elongated structure.
  • the guide sleeve 5 has an integrally formed
  • Sleeve body 6 which extends along a longitudinal axis L.
  • a rod receptacle 10 is provided, in which, as shown in Fig. 3, the rod 4 of the headrest 3 is received.
  • the rod holder 10 has a circular cross-section.
  • the rod 4 can by a in the
  • FIG. 1 Figures not shown locking element of the guide sleeve 5 are locked in a plurality of predetermined positions, wherein the rod 4 protrudes more or less far from the rod holder 10. To adjust the height of the headrest 3, the rod 4 can be moved between these predetermined positions.
  • the sleeve body 6 of the guide sleeve 5 is made of a plastic with a high
  • the sleeve body 6 can be formed from Akulon® K223-TP4.
  • the guide sleeve 5 also has two on the inner contour of the
  • Bar receptacle 10 arranged inserts 8, on which the
  • the two inserts 8 each engage in a recess in the sleeve body 6.
  • the inserts 8 are formed of a deviating from the material of the sleeve body 6 material, so that the surface texture of the inner contour of the Stangenaufnahnne 10 can be adjusted independently of the Matenal of the sleeve body 6.
  • the material of the insert 8 is preferably a material with a low coefficient of friction, for example HOSTAFORM® C9021
  • the rod 4 of the headrest 3 is located directly on the two inserts 8, in particular on an inner contact surface of the inserts 8 at.
  • unwanted rattling noise which can be caused by slight movements of the rod 4 in the guide sleeve 5, reduced.
  • the inserts 8 are made of a material with a low coefficient of friction, the force required to adjust the height of the headrest 3 force compared to a guide sleeve 5 is reduced without such an insert 8.
  • 4 shows a modification of the first embodiment of the guide sleeve 5 shown in FIGS. 2 and 3, in the form of a second embodiment of the guide sleeve 5 with sleeve body 6 and two inserts 8.
  • the inserts 8 are such designed such that the inserts 8 partially protrude from the inner contour of the rod receptacle 10. As a result, unwanted movements of the rod 4, in particular in a locking position in which the rod 4 is locked relative to the guide sleeve 5, reduced and the noise can be further reduced.
  • Each insert has a about a longitudinal axis L of the rod holder 10th
  • the projection 9 has a height by which the diameter of the rod holder 10 is reduced by a value in the range of 0.05 mm to 0.2 mm, in particular by 0.01 mm. Since a plurality of inserts 8 are provided with a projection 9 in the rod receptacle 10, which are arranged spaced apart along the longitudinal axis L, a reduction of the diameter takes place at a plurality of positions along the longitudinal axis L.
  • the above-described guide sleeves 5 for receiving a rod 4 of a headrest 3 each have a sleeve body 6, which comprises a rod receptacle 10 for receiving the rod 4.
  • an insert 8 is arranged, through which the surface texture of the rod
  • Inner contour of the rod receptacle 10 can be set at least in sections. In this respect, it is possible to reduce unwanted movements of the rod 4 in the guide sleeve 5, resulting in less noise.
  • the guide sleeve 5 has exactly one insert 8.
  • the insert 8 can be formed in one piece.
  • the insert 8 may have a plurality of projections 9, which are preferably arranged spaced apart along the longitudinal axis L. Also, the projections 9 deviating from a full extent in the circumferential direction can be arranged uniformly distributed only at least 3 limited sections. It is also possible that the projections 9 have a longitudinal extent along the longitudinal axis L.
  • a fourth embodiment of the guide sleeve 5 is shown. Notwithstanding the example described above
  • the insert 8 is designed according to the fourth embodiment substantially in the form of a sleeve.
  • the insert 8 has on its inside projections 9, which, after attaching the insert 8 to one end of the sleeve body 6 of the guide sleeve 5, with recesses in
  • Coil body 6 cooperate, that on the one hand the insert 8 is thereby fixed on the sleeve body 6, and on the other hand projecting from the outside into the recesses projections 9 protrude from the inner contour of the sleeve body 6 to provide a contact surface for the rod 4.
  • a further projection 9 of the insert 8 can be realized in that a on the sleeve body. 6
  • the guide sleeves 5 described above can be produced by a two-component sputtering method, in which, in a first step, the sleeve body 6 consisting of the first material is connected to the
  • Bar receptacle 10 is formed and in a second step following the first step from the second material of the insert 8 is formed on the inner contour of the rod receptacle 10.
  • the use in the production is formed directly on the sleeve body 6 and does not have to be connected in a wide step with this.
  • a two-component injection molding process with a rotatable tool is used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

L'invention concerne une douille de guidage (5) servant à loger une barre (4) d'un appui-tête (3). La douille de guidage comprend un corps de douille (6), qui comporte un logement de barre (10) servant à loger la barre (4), au moins un insert (8) disposé par endroits sur le contour intérieur du logement de barre (10) étant prévu. L'invention concerne par ailleurs un siège de véhicule (1) pour un véhicule automobile, comprenant un dossier (2) et un appui-tête (3). Une douille de guidage (5) décrite au préalable est disposée sur le dossier (2) aux fins de la fixation de l'appui-tête (3) sur le dossier (2). L'invention concerne également un procédé servant à fabriquer une douille de guidage (5) servant à loger une barre (4) d'un appui-tête (3), ladite douille de guidage comprenant un corps de douille (6), qui comporte un logement de barre (10) servant à recevoir la barre (4), un insert (8) étant disposé sur le contour intérieur du logement de barre (10).
PCT/EP2016/057601 2015-04-15 2016-04-07 Douille de guidage pour un siège de véhicule, siège de véhicule et procédé servant à fabriquer une douille de guidage WO2016166009A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102015206777.7 2015-04-15
DE102015206777 2015-04-15
DE102015214990.0 2015-08-06
DE102015214990.0A DE102015214990B4 (de) 2015-08-06 2015-08-06 Führungshülse für einen Fahrzeugsitz, Fahrzeugsitz und Verfahren zur Herstellung einer Führungshülse

Publications (1)

Publication Number Publication Date
WO2016166009A1 true WO2016166009A1 (fr) 2016-10-20

Family

ID=55697198

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/057601 WO2016166009A1 (fr) 2015-04-15 2016-04-07 Douille de guidage pour un siège de véhicule, siège de véhicule et procédé servant à fabriquer une douille de guidage

Country Status (1)

Country Link
WO (1) WO2016166009A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9902301B2 (en) * 2012-12-28 2018-02-27 Illinois Tool Works Inc. Sleeve device for a headrest
FR3113003A1 (fr) * 2020-07-30 2022-02-04 Tesca France S ystème de montage d’un appui-tête de véhicule automobile sur un dossier de siège
FR3127453A1 (fr) * 2021-09-28 2023-03-31 Tesca France Système de montage d’un appui-tête de siège de véhicule automobile
US11926250B2 (en) 2020-03-24 2024-03-12 Illinois Tool Works Inc. Sleeve for headrest
US11970099B2 (en) 2021-03-11 2024-04-30 Illinois Tool Works Inc. Sleeve device for a headrest
US12240365B2 (en) 2021-09-08 2025-03-04 Illinois Tool Works Inc. Sleeve device for a headrest

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10151360A1 (de) * 2001-10-22 2003-04-30 Ros Gmbh & Co Kg Vorrichtung zur Aufnahme von Kopfstützenbügeln
DE19919335B4 (de) 1999-04-28 2004-07-08 Itw-Ateco Gmbh Vorrichtung zur lösbaren Verriegelung einer Kopfstütze
US20050168037A1 (en) * 2004-01-13 2005-08-04 Runde David M. Head restraint guide system
EP1652723A2 (fr) * 2004-10-29 2006-05-03 ITW Automotive Products GmbH & Co. KG Ensemble manchon pour appui-tête
EP1690732A2 (fr) * 2005-01-21 2006-08-16 Nihon Technica Co. Ltd Support d'appui-tête et élément de verrouillage
WO2008046198A1 (fr) * 2006-10-13 2008-04-24 Intier Automotive Inc. Manchon pour appui-tête
FR2940896A1 (fr) * 2009-01-12 2010-07-16 Faurecia Sieges Automobile Systeme de montage d'un appui-tete sur un siege, ensemble comprenant un appui-tete et un tel systeme de montagne, siege de vehicule comprenant un tel ensemble
EP2749448A1 (fr) * 2012-12-28 2014-07-02 Illinois Tool Works Inc. Dispositif de manchon pour appuie-tête

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19919335B4 (de) 1999-04-28 2004-07-08 Itw-Ateco Gmbh Vorrichtung zur lösbaren Verriegelung einer Kopfstütze
DE10151360A1 (de) * 2001-10-22 2003-04-30 Ros Gmbh & Co Kg Vorrichtung zur Aufnahme von Kopfstützenbügeln
US20050168037A1 (en) * 2004-01-13 2005-08-04 Runde David M. Head restraint guide system
EP1652723A2 (fr) * 2004-10-29 2006-05-03 ITW Automotive Products GmbH & Co. KG Ensemble manchon pour appui-tête
EP1690732A2 (fr) * 2005-01-21 2006-08-16 Nihon Technica Co. Ltd Support d'appui-tête et élément de verrouillage
WO2008046198A1 (fr) * 2006-10-13 2008-04-24 Intier Automotive Inc. Manchon pour appui-tête
FR2940896A1 (fr) * 2009-01-12 2010-07-16 Faurecia Sieges Automobile Systeme de montage d'un appui-tete sur un siege, ensemble comprenant un appui-tete et un tel systeme de montagne, siege de vehicule comprenant un tel ensemble
EP2749448A1 (fr) * 2012-12-28 2014-07-02 Illinois Tool Works Inc. Dispositif de manchon pour appuie-tête

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9902301B2 (en) * 2012-12-28 2018-02-27 Illinois Tool Works Inc. Sleeve device for a headrest
US11926250B2 (en) 2020-03-24 2024-03-12 Illinois Tool Works Inc. Sleeve for headrest
FR3113003A1 (fr) * 2020-07-30 2022-02-04 Tesca France S ystème de montage d’un appui-tête de véhicule automobile sur un dossier de siège
US11970099B2 (en) 2021-03-11 2024-04-30 Illinois Tool Works Inc. Sleeve device for a headrest
US12240365B2 (en) 2021-09-08 2025-03-04 Illinois Tool Works Inc. Sleeve device for a headrest
FR3127453A1 (fr) * 2021-09-28 2023-03-31 Tesca France Système de montage d’un appui-tête de siège de véhicule automobile

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