WO2018017029A1 - Solution de boulon captif - Google Patents

Solution de boulon captif Download PDF

Info

Publication number
WO2018017029A1
WO2018017029A1 PCT/TR2016/050229 TR2016050229W WO2018017029A1 WO 2018017029 A1 WO2018017029 A1 WO 2018017029A1 TR 2016050229 W TR2016050229 W TR 2016050229W WO 2018017029 A1 WO2018017029 A1 WO 2018017029A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
protrusion
captive
fastening part
captive bolt
Prior art date
Application number
PCT/TR2016/050229
Other languages
English (en)
Inventor
Hikmet KANBUR
Original Assignee
Kirpart Otomotiv Parcalari Sanayi Ve Ticaret Anonim Sirketi
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 Kirpart Otomotiv Parcalari Sanayi Ve Ticaret Anonim Sirketi filed Critical Kirpart Otomotiv Parcalari Sanayi Ve Ticaret Anonim Sirketi
Priority to TR2019/00857T priority Critical patent/TR201900857T6/tr
Priority to DE212016000287.2U priority patent/DE212016000287U1/de
Priority to PCT/TR2016/050229 priority patent/WO2018017029A1/fr
Publication of WO2018017029A1 publication Critical patent/WO2018017029A1/fr

Links

Classifications

    • 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
    • F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/002—Measures against loss of bolts, nuts or pins
    • 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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/005—Nuts or like thread-engaging members into which threads are cut during screwing

Definitions

  • This invention relates to captive bolt solutions which are used to assemble plastic parts to each other securely and releasable.
  • captive bolt assemblies losing or falling into the gaps in the equipment of bolt is prevented by means of its structure.
  • a correct engaging of bolts to correct threaded holes is also provided for different types of bolts.
  • a captive bolt mechanism with riveting piece A fixed screw and a riveting piece sleeving the fixed screw.
  • a screw thread which is protruded outwards is arranged on the screw thread part; a through hole is formed in the middle part of the riveting piece to allow the screw thread part to pass through; a ring-shaped stop block which is protruded inward is arranged at the end part, close to the screw head part, of the through hole; the internal diameter of the ring-shaped stop block is smaller than the external diameter of the screw thread and larger than the diameter of the screw thread part.
  • a captive screw assembly with a knurled end that rotates the captive screw in a hole in which it is mounted as the captive screw is pressed into the hole in another known situation of the art.
  • the lower end of a ferrule of the captive screw assembly terminates within the hole and is flared against the side wall of the hole.
  • the structure of the captive bolt is implemented by whether a cage mechanism or an extra element for this structure. This causes a complex geometry and makes the structure improper with regard to producibility.
  • the aim of the invention is to embody a captive bolt mechanism with a self- formed captive structure preferably with 3 or more teeth structures protruded from the body which is preferably plastic material and placed inside of the mounting hole to allow shrink fit.
  • FIG. 1 3D view of the captive bolt structure with the vertical protrusion
  • Captive bolt mechanism (1) which has self-insert structure by means protrusion (33) essentially comprises:
  • captive bolt mechanism (1) is implemented by a vertically positioned (parallel to the axis of hole (31) captive protrusion (23) which is inside the hole (31).
  • the vertical captive protrusion (31) is created by molding and is by an elastomer compound also strong enough to thread cutting. On the threaded surface (331) of the vertical captive protrusion (33) suitable pitches is cut to provide the fastening part (2) to be screwed.
  • the fastening part (2) preferably is a bolt.
  • the insert metal bushing (32) is overmolded inside the hole (31) to increase the robustness. Besides there is a pressure face (21) to increase the joint area and contact surface of the bolt and the hollow part by means of its wide contact surface so that a surface proof enough to face the pressure force is provided.
  • the fastening part (2) is screwed to the captive bolt mechanism (1) with a few turns in this way the fastening part (2) is captivated inside the captive bolt mechanism (1) coaxial with the axis of the hole (31). Coaxiality is provided by means of the threads on the threaded surface (331). Thereby a robust captive bolt mechanism (1) is obtained. It should be assembled directly by torqueing the bolt head without checking the coaxiality.
  • captive bolt mechanism (1) is implemented by the horizontally positioned (perpendicular to the axis of the hole (31)) captive protrusion (33) which is inside the hole (31).
  • the horizontal captive protrusion (33) is created by molding and is by an elastomer compound.
  • Horizontal captive protrusion (33) has a pointed end which is used as a thread.
  • a single pitch is used for captivate the fastening part (2).
  • the insert metal bushing (32) is overmolded inside the hole (31) to increase the robustness.
  • the bolt is screwed to the captive bolt mechanism (1) with a few turns in this way the bolt is captivated inside the captive bolt mechanism (1) coaxial with the axis of the hole (31). Coaxiality is provided by means of the pointed end. Thereby a robust captive bolt mechanism (1) is obtained. It should be assembled directly by torqueing the fastening part (2) head without checking the coaxiality.

Landscapes

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

Abstract

La présente invention concerne une solution de boulon captif qui comprend une saillie captive verticale surmoulée (33) qui présente une surface filetée (331) appropriée pour une coupe de fil ou une saillie captive horizontale surmoulée (33) qui présente une extrémité pointue appropriée à utiliser en tant que filet, les deux guidant le boulon à l'intérieur du trou (31).
PCT/TR2016/050229 2016-07-20 2016-07-20 Solution de boulon captif WO2018017029A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TR2019/00857T TR201900857T6 (tr) 2016-07-20 2016-07-20 Bi̇r bağli civata çözümü
DE212016000287.2U DE212016000287U1 (de) 2016-07-20 2016-07-20 Unverlierbare Bolzenlösung
PCT/TR2016/050229 WO2018017029A1 (fr) 2016-07-20 2016-07-20 Solution de boulon captif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/TR2016/050229 WO2018017029A1 (fr) 2016-07-20 2016-07-20 Solution de boulon captif

Publications (1)

Publication Number Publication Date
WO2018017029A1 true WO2018017029A1 (fr) 2018-01-25

Family

ID=56801762

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/TR2016/050229 WO2018017029A1 (fr) 2016-07-20 2016-07-20 Solution de boulon captif

Country Status (3)

Country Link
DE (1) DE212016000287U1 (fr)
TR (1) TR201900857T6 (fr)
WO (1) WO2018017029A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112283232A (zh) * 2019-07-13 2021-01-29 伊希欧1控股有限公司 将力从紧固元件导入塑料组件的系统以及制造系统的方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255647A (en) * 1993-02-08 1993-10-26 Freudenberg-Nok General Partnership Elastomeric grommet-fastener assembly
DE29511400U1 (de) * 1995-07-14 1995-09-21 ITW Befestigungssysteme GmbH, 58642 Iserlohn Befestigerzusammensetzung
DE19534034A1 (de) * 1995-09-14 1997-03-20 Mann & Hummel Filter Befestigungsvorrichtung
US20060056936A1 (en) * 2004-08-26 2006-03-16 Yazaki Corporation Fixing structure
EP2407676A1 (fr) * 2010-07-12 2012-01-18 Robert Bosch GmbH Structure de vis intégrée dans une traversée et boîtier de capteur correspondant
EP2592285A1 (fr) * 2011-11-11 2013-05-15 Volvo Car Corporation Élément d'ensemble de vis
DE102012209165A1 (de) * 2012-05-31 2013-12-05 Lisa Dräxlmaier GmbH Unverlierbares Befestigungssystem mit Toleranzausgleich
EP2930002A1 (fr) * 2012-12-03 2015-10-14 Toyoda Iron Works Co., Ltd. Structure de fixation de composant de résine et dispositif de moulage pour celui-ci

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255647A (en) * 1993-02-08 1993-10-26 Freudenberg-Nok General Partnership Elastomeric grommet-fastener assembly
DE29511400U1 (de) * 1995-07-14 1995-09-21 ITW Befestigungssysteme GmbH, 58642 Iserlohn Befestigerzusammensetzung
DE19534034A1 (de) * 1995-09-14 1997-03-20 Mann & Hummel Filter Befestigungsvorrichtung
US20060056936A1 (en) * 2004-08-26 2006-03-16 Yazaki Corporation Fixing structure
EP2407676A1 (fr) * 2010-07-12 2012-01-18 Robert Bosch GmbH Structure de vis intégrée dans une traversée et boîtier de capteur correspondant
EP2592285A1 (fr) * 2011-11-11 2013-05-15 Volvo Car Corporation Élément d'ensemble de vis
DE102012209165A1 (de) * 2012-05-31 2013-12-05 Lisa Dräxlmaier GmbH Unverlierbares Befestigungssystem mit Toleranzausgleich
EP2930002A1 (fr) * 2012-12-03 2015-10-14 Toyoda Iron Works Co., Ltd. Structure de fixation de composant de résine et dispositif de moulage pour celui-ci

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112283232A (zh) * 2019-07-13 2021-01-29 伊希欧1控股有限公司 将力从紧固元件导入塑料组件的系统以及制造系统的方法

Also Published As

Publication number Publication date
TR201900857T6 (tr) 2019-04-22
DE212016000287U1 (de) 2019-02-22

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