EP3394455A1 - Rivet auto-perceur a haute resistance mecanique - Google Patents
Rivet auto-perceur a haute resistance mecaniqueInfo
- Publication number
- EP3394455A1 EP3394455A1 EP16809899.4A EP16809899A EP3394455A1 EP 3394455 A1 EP3394455 A1 EP 3394455A1 EP 16809899 A EP16809899 A EP 16809899A EP 3394455 A1 EP3394455 A1 EP 3394455A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piercing
- rivet
- self
- sleeve
- tubular body
- 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.)
- Withdrawn
Links
- 230000000694 effects Effects 0.000 claims abstract description 9
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000005299 abrasion Methods 0.000 claims description 9
- 210000000078 claw Anatomy 0.000 claims description 5
- 230000004323 axial length Effects 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 230000003313 weakening effect Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 8
- 238000004873 anchoring Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010008 shearing Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 210000003423 ankle Anatomy 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/083—Self-drilling rivets
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/086—Self-piercing rivets
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
- F16B19/1027—Multi-part rivets
- F16B19/1036—Blind rivets
- F16B19/1045—Blind rivets fastened by a pull - mandrel or the like
- F16B19/1072—Blind rivets fastened by a pull - mandrel or the like the pull-mandrel or the like comprising a thread and being rotated with respect to the rivet, thereby mechanically expanding and fastening the rivet
-
- 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
- F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
- F16B37/06—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting
- F16B37/062—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting
- F16B37/065—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting by deforming the material of the nut
- F16B37/067—Devices for fastening nuts to surfaces, e.g. sheets, plates by means of welding or riveting by means of riveting by deforming the material of the nut the material of the nut being deformed by a threaded member generating axial movement of the threaded part of the nut, e.g. blind rivet type
-
- 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/002—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose self-cutting
-
- 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
- F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
- F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
- F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
- F16B13/061—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve of the buckling type
-
- 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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
Definitions
- the invention relates to a self-piercing rivet comprising a support flange and a piercing end, with between the flange and the piercing end a radially expandable hollow tubular hollow body extending axially, the tubular body comprising a first cylindrical part. adjacent the flange and a second cylindrical portion adjacent to the piercing end, and a third barrel-shaped expandable portion between the first and second cylindrical portions, the rivet further comprising a sleeve disposed in the second portion and arranged to be driven in axial translation to the flange to radially deform the third expandable portion.
- FR2868818 discloses an anchor comprising an expandable body that has an inner sleeve for receiving a fastener.
- the manufacturers seek to accelerate the rate for the assembly of two plates, and more particularly when the fixing is made with access to only one side of the plates to be assembled.
- the object of the invention is to provide another type of rivet having a better resistance to tearing and shearing while being compatible with the constraints of the automotive industry.
- the subject of the invention is a self-piercing rivet comprising a support flange and a piercing end, with between the flange and the piercing end a radially expansible hollow tubular body which extends axially, the body tubular member comprising a first cylindrical portion adjacent to the flange and a second cylindrical portion adjacent to the piercing end, and a third expandable barrel-shaped portion between the first and second cylindrical portions, the rivet further comprising a socket disposed in the second portion and arranged to be driven in axial translation towards the collar to deform radially the third expandable portion, the sleeve extending axially within the third portion of the tubular body such that it fits into the first portion of the tubular body when the third portion of the tubular body is fully expanded radially, characterized in that the third expandable portion of the body tubular comprises slits and strips interposed between the slots, an annular zone of weakening in a median transverse plane, and in that the third part is designed
- the self-piercing rivet according to the invention can still have the following particularities:
- the strips may have an abrasive outer surface to produce the effect of abrasion or deburring;
- the strips may have a sharp beveled side edge to produce the abrasion or deburring effect
- the sleeve may have an axial length sufficient to flush with the flange when the third portion of the tubular body is completely expanded radially;
- the first part of the tubular body may have an inner surface provided with claws for locking the sleeve in axial translation;
- the socket can be threaded internally
- the sleeve can be attached to the second part of the tubular body by a tongue / slot system
- the socket can be fixed to the second part of the tubular body by welding; the socket may have a bottom on the side of the second part of the body;
- the piercing end can be in the form of a hole saw
- the rivet can be rolled sheet and welded
- the rivet can be stamped sheet.
- the self-piercing rivet With the self-piercing rivet according to the invention, it is possible to quickly and easily assemble two plates together, or a part to a support.
- the plates can also be automotive floor mats.
- the sleeve is found partially blocked in the first part of the body adjacent to the flange, making a double thickness at the first part of the body to solidify the structure of the rivet.
- the assembly of two plates comprising the steps of drilling and anchoring the rivet on both sides of the two plates, can be fast and simplified because it can be achieved in a single operation with a suitable screwing / pulling tool .
- the arrangement of the piercing end and the hollow tubular body with its third part designed to produce an abrasion or deburring effect of the peripheral edge of the drilled hole allows for "clean" holes but also to contain the release of dust and drilling debris in the piercing end.
- Figure 1 is a perspective view of the self- piercing rivet according to the invention.
- Figure 2 is a top view of the self- piercing rivet according to the invention.
- FIG. 3 is a side view of the self- piercing rivet according to the invention.
- Figure 4 is an axial sectional view of the self-piercing rivet of Figure 3 according to the invention.
- Figure 5 is an axial sectional view of the radially expanded self-piercing rivet according to the invention.
- Figures 1 to 5 illustrate a rivet 1 according to the invention for assembling two plates (P and P 'shown in Figure 5).
- the plates may be fiberglass.
- the rivet 1 comprises a flange 2 bearing, for example, on one of the plates to be assembled, and a piercing end 3.
- the flange 2 extends in a plane perpendicular to an axis AA of the rivet 1.
- the collar 2 may have notches (not shown) coming to bite the bearing surface to block its axial rotation.
- the piercing end 3 is here circular bell saw type with a two-stage toothing.
- the hole saw has an internal bore with the teeth distributed circumferentially around the bore to reduce dust and tearing of fiber during drilling.
- the drilling end could be drill bit type with a diamond coating (not shown).
- the rivet 1 has a tubular body 4 in the shape of a barrel or barrel.
- the body 4 comprises three parts extending along the axis AA: a first cylindrical portion adjacent to the flange 2, a second cylindrical portion 6 adjacent to the piercing end 3, and a third intermediate portion 7 between the two parts 5, 6 cylindrical, which is here in the form of radially expandable shaft.
- the third intermediate portion 7 comprises longitudinal anchoring slots 8 extending parallel to the axis AA between two eyelets 9, 10 pierced at the two ends of the third expansible intermediate portion.
- the lower strips 11 here have an abrasive outer surface making it possible to improve the piercing quality.
- the upper strips 12 may also have an abrasive outer surface.
- the inner surface of the first cylindrical portion adjacent the flange 2 here has claws 17 inclined towards the inside of the bore.
- FIG. 2 shows a view from above of the rivet 1.
- the collar 2 has cutouts around an inlet orifice of the bore of the body 4.
- a bushing 14, visible in FIG. 4, is disposed in the bore of the second portion 6 of the body 4.
- the bushing 14 is here fixed to the second part 6 by a fastening system of the tongue / notch type 16.
- the fastening can also be done by welding or crimping the bushing 14 the second part 6 of the body 4.
- the sleeve 14 has an axial length sufficient to be fixed by a lower part to the second part 6 and extend axially inside the third part 7 of the body 4.
- the bushing 14 may be internally threaded to cooperate with the thread of a screw which raises the bushing 14 towards the flange 2 when it is screwed into the bushing 14, or when traction by axial translation is applied on the bushing 14.
- the sleeve 14 may have a bottom wall (not shown) on the side of the second portion 6 of the body 4 to ensure a seal from one side to the other of the elements to be assembled.
- the sleeve 14 When the flange 2 bears against the upper plate to be assembled, the sleeve 14 is raised by screwing and / or tensioning towards the flange 2, which causes the third expandable portion 7 to deform radially, the lower strips 11 and upper 12 s spacing obliquely from the axis AA of the rivet 1 by opening the anchoring slots 8, until the strips 11 and 12 form a bead under the plates P, P 'assembled.
- the sleeve 14 is then inserted into the first part 5 of the body 4 where it is locked axially by the claws 17 arranged on the internal face of the first part 5. of the body 4.
- the inclined claws 17 are inserted into the material of the bushing 14 in the case of withdrawal of the bushing 14 from the first part 5 of the body 4.
- the axial length of the sleeve 14 may be sufficient to come flush with the flange 2.
- the third intermediate part 7 formed by the slots 8 and the strips 11, 12, is designed, before its radial deformation, to produce an abrasion or deburring effect on the peripheral edge of the hole, when this third part 7 passes through the hole after the hole through the piercing end 3 of the rivet 1 according to the invention.
- This abrasion or deburring function can be filled by the outer surface of the strips 11, 12 which can be expected rough. It can still be filled by the side edge or edges of the strips 11, 12 which are bevelled to be sharp.
- the strips 11, 12 allow sanding the inside of the hole to remove protruding fibers and / or locally delaminated areas, so as to obtain a clean and clean surface all around the hole.
- the rivet 1 with the sleeve 14 may be rolled sheet and welded, or stamped sheet.
- the rivet 1 can also be made completely by plastic molding or injection of plastic material to be manufactured at low cost and used to assemble two automotive floor mats, or a floor mat to a plate for example.
- the rivet 1 could also be used for fixing cable passages, used to position heavy or light fastening systems, or for the internal fixation for cars with metal or composite box.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Connection Of Plates (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1560252A FR3042829B1 (fr) | 2015-10-27 | 2015-10-27 | Rivet auto-perceur a haute resistance mecanique |
| PCT/FR2016/052690 WO2017072429A1 (fr) | 2015-10-27 | 2016-10-18 | Rivet auto-perceur a haute resistance mecanique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3394455A1 true EP3394455A1 (fr) | 2018-10-31 |
Family
ID=54783906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16809899.4A Withdrawn EP3394455A1 (fr) | 2015-10-27 | 2016-10-18 | Rivet auto-perceur a haute resistance mecanique |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20180231043A1 (fr) |
| EP (1) | EP3394455A1 (fr) |
| CN (1) | CN108350919A (fr) |
| FR (1) | FR3042829B1 (fr) |
| WO (1) | WO2017072429A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3366932B1 (fr) * | 2017-02-22 | 2021-10-27 | Bollhoff Otalu | Insert à sertir, élément et ensemble de fixation comprenant un tel insert et procédés de fabrication de telles pièces |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2989037A1 (fr) | 2016-12-22 | 2018-06-22 | The Hillman Group, Inc. | Ancrage mural creux |
| CN113137418B (zh) * | 2021-04-09 | 2022-03-11 | 徐州恒启智能制造有限公司 | 一种高精度双鼓铝合金铆钉及其制备工艺 |
| CN113137419B (zh) * | 2021-04-21 | 2025-11-21 | 同济大学 | 一种抽芯铆钉、以及铆接方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4990042A (en) * | 1989-09-05 | 1991-02-05 | Szayer Geza J | Self-drilling blind setting rivet |
| FR2868818B1 (fr) * | 2004-04-08 | 2006-06-16 | Prospection Et D Inv S Techniq | Cheville d'ancrage pour materiau friable a corps telescopique |
| FR2927382B1 (fr) * | 2008-02-13 | 2010-04-02 | Prospection Et D Inventsions T | Cheville autoforeuse pour materiau support friable |
| DE102010017296A1 (de) * | 2010-06-08 | 2011-12-08 | Newfrey Llc | Blindniet und Befestigungsanordnung mit einem Blindniet |
| FR2992698B1 (fr) | 2012-06-28 | 2015-01-02 | Saint Gobain Placo | Cheville pour fixation dans une paroi |
| DE102012016592A1 (de) * | 2012-08-16 | 2014-02-20 | Newfrey Llc | Blindnietanordnung |
-
2015
- 2015-10-27 FR FR1560252A patent/FR3042829B1/fr active Active
-
2016
- 2016-10-18 US US15/772,008 patent/US20180231043A1/en not_active Abandoned
- 2016-10-18 WO PCT/FR2016/052690 patent/WO2017072429A1/fr not_active Ceased
- 2016-10-18 EP EP16809899.4A patent/EP3394455A1/fr not_active Withdrawn
- 2016-10-18 CN CN201680063433.9A patent/CN108350919A/zh active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3366932B1 (fr) * | 2017-02-22 | 2021-10-27 | Bollhoff Otalu | Insert à sertir, élément et ensemble de fixation comprenant un tel insert et procédés de fabrication de telles pièces |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3042829A1 (fr) | 2017-04-28 |
| FR3042829B1 (fr) | 2018-03-09 |
| WO2017072429A1 (fr) | 2017-05-04 |
| US20180231043A1 (en) | 2018-08-16 |
| CN108350919A (zh) | 2018-07-31 |
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Inventor name: DEPAIL, YVES-MARIE Inventor name: FENOLL, JONATHAN Inventor name: COCHARD, MATHIEU |
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