EP1088627B1 - Outil de scellement de chevilles ou similaires sur élément de construction - Google Patents

Outil de scellement de chevilles ou similaires sur élément de construction Download PDF

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Publication number
EP1088627B1
EP1088627B1 EP00810868A EP00810868A EP1088627B1 EP 1088627 B1 EP1088627 B1 EP 1088627B1 EP 00810868 A EP00810868 A EP 00810868A EP 00810868 A EP00810868 A EP 00810868A EP 1088627 B1 EP1088627 B1 EP 1088627B1
Authority
EP
European Patent Office
Prior art keywords
bolt
buffer element
pressure piece
sealing rings
setting tool
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.)
Expired - Lifetime
Application number
EP00810868A
Other languages
German (de)
English (en)
Other versions
EP1088627A3 (fr
EP1088627A2 (fr
Inventor
Robert Jakob
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP1088627A2 publication Critical patent/EP1088627A2/fr
Publication of EP1088627A3 publication Critical patent/EP1088627A3/fr
Application granted granted Critical
Publication of EP1088627B1 publication Critical patent/EP1088627B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/14—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge acting on an intermediate plunger or anvil

Definitions

  • the invention relates to a bolt setting tool for driving in bolts or the like.
  • a bolt setting tool for driving in bolts or the like.
  • an interceptor for the drive piston according to the preamble of claim 1.
  • the excess energy outside the device is reduced.
  • the device is constructed such that the driving piston emerge from the muzzle of the device and can interact with the component into which the bolt is to be driven.
  • the drive piston thus makes a deformation work outside of the bolt gun.
  • a second category of bolt guns is to reduce the excess energy inside, between elements of the bolt gun itself. This is done for example by means of plastically or elastically deformable components which are arranged between two relatively movable parts of the device.
  • plastically or elastically deformable components which are arranged between two relatively movable parts of the device.
  • DE-A-1 478 838 a bolt setting device is known, in which between the driving piston and a bolt guide with the drive piston operatively engageable, sleeve-shaped pressure piece and an elastic buffer element are arranged, the remaining excess energy of the driving piston during a setting process absorbed.
  • the pressure piece has a stepped outer diameter and protrudes into a receiving bore of the bolt guide.
  • the buffer element is mounted on the smaller diameter extension of the stepped outer diameter pressure member and is supported against the setting direction of a shoulder of the pressure element and in the setting direction of an annular counter surface of the bolt guide.
  • the pressure piece is movable relative to the bolt guide, there is a massive game between the two mutually movable parts.
  • extending to both axial sides of the buffer element annular gaps between the pressure piece and the bolt guide this can be clamped in the annular gaps between the inner wall of the bolt guide and the outer wall of the pressure piece. This can lead to jamming of the moving parts and cause failure of the bolt gun.
  • Object of the present invention is therefore to improve a setting device of the generic type to the effect that jamming of the moving parts is prevented.
  • the principle of energy reduction within the device should be maintained.
  • the structural elements should be simple and possibly also allow retrofitting of existing setting tools of the generic type.
  • the bolt setting tool for driving in bolts or the like in components according to the invention comprises a bolt guide and an axially displaceable drive piston, between which a sleeve-shaped pressure piece engageable with the drive piston in operative connection is arranged.
  • the pressure piece protrudes into a receiving space of the bolt guide and has a direction in the direction extending, smaller diameter cylindrical extension on which at least one elastic buffer element is arranged, which extends between two sealing rings.
  • a first sealing ring between an annular stop surface of the pressure piece and an opposite to the setting direction facing end face of the buffer member is arranged and radially biased against the spring inner wall of the receiving space of the bolt guide.
  • the second sealing ring is arranged between an annular stop surface of the bolt guide and a pointing in the direction of the end face of the Pufferlelements and radially biased against the spring surface against the lateral surface of the cylindrical extension of the pressure piece.
  • the mutually movable parts, the pressure piece and the receiving space of the bolt guide a massive game on.
  • sealing rings are provided on both axial sides of the buffer member, it is prevented that the buffer member is clamped in the resulting by the massive game gaps between the pressure piece and the inner wall of the receiving space or between the cylindrical extension of the pressure piece and the inner wall of the bolt guide.
  • the arranged between the annular abutment surface of the pressure piece and the counter to the setting direction end face of the buffer member arranged sealing ring is radially federbar biased against the inner wall of the receiving space of the bolt guide and closes the gap between the pressure piece and the Innewandung of the receiving space.
  • the second sealing ring is arranged between the annular stop surface of the bolt guide and pointing in the setting direction end face of the Pufferlelements and biased radially federbar against the lateral surface of the cylindrical extension of the pressure piece. In this way, the annular gap between the lateral surface of the extension and the inner surface of the bolt guide is closed.
  • the sealing system with two sealing rings is self-sealing, since the high internal pressures occurring during operation support the radial sealing forces with which the outer surface of the first sealing ring against the inner wall of the receiving space and the inner surface of the second sealing ring is pressed against the lateral surface of the extension.
  • the two Sealing rings is a jamming of the mutually movable parts and in particular prevents jamming and damage of the buffer element in the existing as a result of the massive game annular gaps.
  • the sealing rings are simple in construction and make it possible to retrofit existing bolt guns of the generic type.
  • the sealing rings are advantageously designed as a resilient multi-disc seals with external or internal tensioning effect. This allows in particular for retrofit kits to adapt to the existing structural conditions and a compensation of any existing axial play.
  • the sealing rings must withstand the internal pressures and temperatures occurring during operation and have the required radial external or internal tension function.
  • Particularly simple and inexpensive to produce the sealing rings are made of a spring steel.
  • the sealing rings are advantageously fastened to the abutment surfaces of the pressure piece or the bolt guide or to the end faces of the buffer element.
  • the buffer element is advantageously integrally formed sleeve-shaped.
  • it has, at least in regions, an outer diameter which is smaller than the inner diameter of the receiving space of the bolt guide, so that it can radially expand when compressed in the desired manner in order to reduce the excess energy.
  • the sealing rings in conjunction with a one-piece, sleeve-shaped buffer element, it proves to be advantageous if the sealing rings firmly connected to the end faces of the buffer element, for example glued or vulcanized, are.
  • the sealing rings and the buffer element form a one-piece component which is easy to store and assemble.
  • Fig. 1 shows a longitudinal section of an overall view of a bolt-driver 1 of the prior art.
  • a portion of the device 1 is shown in longitudinal section.
  • the bolt setting device 1 has a triggering device 2 and a running section 3.
  • the triggering device 2 is shown using the example of a device which can be operated with cartridges, which can be operated in powder form, and has a construction known per se, as described, for example, in DE-A-1 478 838.
  • the triggering device is given only for example and may also have a modified structural design, for example, to operate the device with liquid or gaseous energy sources can. After the nature of the triggering device for the understanding of the invention is not relevant, a description of the details of the triggering device 2 will be omitted in the following.
  • the running section 3 comprises in particular a guide tube 4 for a driving piston 9, which can be accelerated by the triggering device in the direction of the mouth of the barrel section 3.
  • a bolt guide 5 which serves to receive a bolt to be driven into the ground or the like .
  • a sleeve-shaped pressure piece 7 is arranged, which is supported on the bolt guide 5 via an elastic buffer element 10.
  • the sleeve-shaped pressure piece 7 is stepped in the outer diameter and has an axially projecting, smaller diameter, cylindrical extension 8, which projects into a receiving space 6 at the entrance to the bolt guide 5.
  • the head of the drive piston 9 strikes the pressure piece 7, which is thereby displaced in the setting direction S.
  • the excess energy of the driving piston 9 is absorbed by the arranged between the pressure piece 7 and the pin guide 5 buffer member 10, which is axially compressed.
  • the outer diameter of the buffer element 10 is at least partially smaller than the inner diameter of the receiving space 6.
  • the thus created annular gap A allows the axially compressed buffer element 10 to expand radially. So that a perfect displacement of the pressure piece 7 is ensured relative to the bolt guide 5, there is a massive game between the two mutually movable parts. This results between the jacket of the pressure element 7 and the bolt guide 5 and between the shell of the extension 8 and the inner wall of the receiving space 6 two narrow annular gaps O and I.
  • Fig. 3 The region shown in Fig. 3 between the head 92 of the driving piston 9 and the pin guide 5 is provided according to the invention with modifications which eliminate the disadvantages of the known from the prior art bolt guns.
  • Fig. 3 functionally identical components, regardless of minor geometric modifications, the same reference numerals as the components of the known from the prior art embodiment of FIG. 2.
  • a sleeve-shaped pressure piece 7 is arranged, from which a cylindrical projection 8 protrudes in the setting direction S.
  • the cylindrical extension 8 has a smaller outer diameter than the rest of the pressure piece 7 and is arranged in a receiving space 6 at the entrance to the bolt guide 5.
  • the shaft 91 of the drive piston 9 passes through the pressure piece 7 and the cylindrical extension 8 axially and extends into the pin guide fifth
  • the cylindrical extension 8 carries a ring-shaped buffer element 10, which preferably consists of a rubber-elastic material.
  • the outer diameter of the buffer element 10 is smaller than the inner diameter of the receiving space 6. This results in an annular space A, in which the buffer element 10 can escape at the caused by the axial compression radial expansion.
  • the buffer element 10 can also be composed of individual elements which are arranged in a riniform manner around the cylindrical extension 8. The resulting due to the massive game between the mutually movable components annular gaps between the pressure piece 7 and the inner wall of the receiving space 6 and the extension 8 and the entrance to the pin guide 5 are provided with the reference numerals O and I respectively.
  • sealing rings 13 and 14 are provided at both longitudinal ends of the Buffer element 10.
  • a first sealing ring 13 is arranged between an annular abutment surface 71 of the pressure piece 7 and an opposite to the setting direction S facing end face 11 of the buffer member 10 and radially federbar biased against the inner wall of the receiving space 6.
  • a second sealing ring 14 is arranged between an annular abutment surface 61 of the receiving space 6 and an end face 12 pointing in the setting direction S of the buffer element 10 and is biased radially against the circumferential surface of the cylindrical extension 8. The against the inner wall of the receiving space 6 and against the lateral surface of the cylindrical extension 8 biased sealing elements 13, 14 form a conclusion relative to the annular gaps O and I and prevent jamming of the buffer member 10.
  • the sealing rings are as resilient single or multi-disc seals with externally tensioning or internal tensioning effect executed.
  • the sealing rings 13, 14 may be formed as a single disc seals, which are attachable to the cylindrical extension 8 before and after the buffer element 10. In an alternative embodiment, they can be connected, for example, by gluing or vulcanization with the buffer element 10 to a monolithic component, which is a total of the cylindrical extension 8 can be pushed.
  • the sealing rings 13, 14 consist for example of a spring steel and have along their circumference a separation point.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Connection Of Plates (AREA)
  • Actuator (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Fluid-Damping Devices (AREA)

Claims (6)

  1. Outil de scellement de goujons pour enfoncer des goujons ou analogues dans des éléments de construction, comprenant un guide-goujon (5) et un piston-poussoir déplaçable axialement (9), entre lesquels est disposée une pièce de pression en forme de manchon (7) qui peut être amenée en liaison active avec la tête (92) du piston-poussoir et qui pénètre dans un espace de réception (6) du guide-goujon (5) et possède un prolongement cylindrique de plus petit diamètre (8), lequel s'étend dans la direction de scellement (S) et supporte au moins un élément tampon élastique (10), caractérisé en ce que l'élément tampon (10) s'étend entre deux bagues d'étanchéité (13, 14) dont une première bague d'étanchéité (13) est disposée entre une surface de butée annulaire (71) de la pièce de pression (7) et une face frontale (11) de l'élément tampon (10) orientée à l'opposé de la direction de scellement (S) et est précontrainte radialement de manière élastique contre la paroi intérieure de l'espace de réception (6) et dont une seconde bague d'étanchéité (14) est disposée entre une surface de butée annulaire (61) de l'espace de réception (6) et une face frontale (12) de l'élément tampon (10) orientée dans la direction de scellement (S) et est précontrainte radialement de manière élastique contre la surface périphérique du prolongement cylindrique (8) de la pièce de pression (7).
  2. Outil de scellement de goujons selon la revendication 1, caractérisé en ce que les bagues d'étanchéité (13, 14) comprennent plusieurs joints annulaires individuels.
  3. Outil de scellement de goujons selon la revendication 1 ou 2, caractérisé en ce que les bagues d'étanchéité (13, 14) sont réalisées en acier à ressorts.
  4. Outil de scellement de goujons selon une des revendications précédentes, caractérisé en ce que les bagues d'étanchéité (13, 14) sont fixées aux surfaces de butée (71, 61) de la pièce de pression (7), respectivement de l'espace de réception (6) ou aux faces frontales (11, 12) de l'élément tampon (10).
  5. Outil de scellement de goujons selon une des revendications précédentes, caractérisé en ce que l'élément tampon (10) est conformé en manchon d'un seul tenant et possède au moins par endroits un diamètre extérieur qui est plus petit que le diamètre intérieur de l'espace de réception (6) à l'entrée du guide-goujon (5).
  6. Outil de scellement de goujons selon la revendication 4, caractérisé en ce que les bagues d'étanchéité (13, 14) sont solidarisées, par exemple par collage ou vulcanisation, aux faces frontales (11, 12) de l'élément tampon.
EP00810868A 1999-10-02 2000-09-21 Outil de scellement de chevilles ou similaires sur élément de construction Expired - Lifetime EP1088627B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19947464 1999-10-02
DE19947464A DE19947464A1 (de) 1999-10-02 1999-10-02 Bolzensetzgerät zum Eintreiben von Bolzen oder dergleichen in Bauteile

Publications (3)

Publication Number Publication Date
EP1088627A2 EP1088627A2 (fr) 2001-04-04
EP1088627A3 EP1088627A3 (fr) 2001-08-01
EP1088627B1 true EP1088627B1 (fr) 2006-11-22

Family

ID=7924258

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00810868A Expired - Lifetime EP1088627B1 (fr) 1999-10-02 2000-09-21 Outil de scellement de chevilles ou similaires sur élément de construction

Country Status (7)

Country Link
US (1) US6220495B1 (fr)
EP (1) EP1088627B1 (fr)
KR (1) KR100642564B1 (fr)
AU (1) AU770675B2 (fr)
DE (2) DE19947464A1 (fr)
ES (1) ES2275485T3 (fr)
TW (1) TW558485B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101378883B (zh) * 2006-02-03 2013-09-11 美克司株式会社 打钉机

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10103893A1 (de) * 2001-01-30 2002-08-01 Hilti Ag Setzgerät
DE10105196B4 (de) * 2001-02-06 2013-09-26 Hilti Aktiengesellschaft Setzgerät
US7410084B1 (en) * 2001-08-31 2008-08-12 Reed Daniel J Multiple-impact adapter for a hammer tool
US7032683B2 (en) * 2001-09-17 2006-04-25 Milwaukee Electric Tool Corporation Rotary hammer
DE10341385B4 (de) * 2003-09-05 2016-06-23 Hilti Aktiengesellschaft Setzgerät
US7971768B2 (en) * 2004-05-04 2011-07-05 Illinois Tool Works Inc. Guidance system for fasteners
DE102005000106B4 (de) * 2005-08-25 2014-02-27 Hilti Aktiengesellschaft Setzgerät
DE102005000114A1 (de) * 2005-09-13 2007-03-15 Hilti Ag Setzgerät
DE102005000113B4 (de) * 2005-09-13 2014-03-27 Hilti Aktiengesellschaft Setzgerät
DE102005000134A1 (de) * 2005-10-05 2007-04-12 Hilti Ag Brennkraftbetriebenes Setzgerät
DE102010030127A1 (de) 2010-06-15 2011-12-15 Hilti Aktiengesellschaft Eintreibvorrichtung
CN203092484U (zh) * 2013-02-22 2013-07-31 郭景辉 一种用于射钉枪的卸力装置
TWI627034B (zh) * 2017-03-27 2018-06-21 崴鋼工業有限公司 吊頂槍
TWI627035B (zh) * 2017-03-27 2018-06-21 崴鋼工業有限公司 吊頂槍

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
US3115639A (en) * 1963-04-26 1963-12-31 Moszczynski Anna Edwarda Apron table
CH453249A (de) * 1965-11-09 1968-06-14 Bauer Carl Fa Bolzensetzgerät zum Eintreiben von Bolzen in Bauteile
FR1600417A (fr) * 1968-08-05 1970-07-27
FR2350176A1 (fr) * 1976-05-06 1977-12-02 Termet Pierre Appareil actionne par une charge de poudre
DE2632413A1 (de) * 1976-07-19 1978-01-26 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet mit einer abfangvorrichtung fuer den treibkolben
DE2850273A1 (de) * 1978-11-20 1980-05-29 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet
US4332340A (en) * 1980-05-15 1982-06-01 Olin Corporation Piston tool buffer assembly
US4405072A (en) * 1980-05-28 1983-09-20 Hilti Aktiengesellschaft Setting device powered by an explosive gas mixture
FR2608493B1 (fr) * 1986-12-23 1994-09-02 Prospection & Inventions Appareil de scellement a tir indirect
DE3924620A1 (de) * 1989-07-26 1991-01-31 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101378883B (zh) * 2006-02-03 2013-09-11 美克司株式会社 打钉机

Also Published As

Publication number Publication date
US6220495B1 (en) 2001-04-24
EP1088627A3 (fr) 2001-08-01
ES2275485T3 (es) 2007-06-16
KR20010050690A (ko) 2001-06-15
DE50013766D1 (de) 2007-01-04
KR100642564B1 (ko) 2006-11-10
AU5658000A (en) 2001-04-05
EP1088627A2 (fr) 2001-04-04
TW558485B (en) 2003-10-21
AU770675B2 (en) 2004-02-26
DE19947464A1 (de) 2001-04-05

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