EP0638395B1 - Pulverkraftbetriebenes Setzgerät - Google Patents

Pulverkraftbetriebenes Setzgerät Download PDF

Info

Publication number
EP0638395B1
EP0638395B1 EP94810215A EP94810215A EP0638395B1 EP 0638395 B1 EP0638395 B1 EP 0638395B1 EP 94810215 A EP94810215 A EP 94810215A EP 94810215 A EP94810215 A EP 94810215A EP 0638395 B1 EP0638395 B1 EP 0638395B1
Authority
EP
European Patent Office
Prior art keywords
piston
guide
channel
piston guide
carrier
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
EP94810215A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0638395A1 (de
Inventor
Peter Jochum
Markus Frommelt
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 EP0638395A1 publication Critical patent/EP0638395A1/de
Application granted granted Critical
Publication of EP0638395B1 publication Critical patent/EP0638395B1/de
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 powder-operated setting tool with a piston guide for one Piston, which uses a propellant charge from a rear starting position a front end position is drivable, a cartridge holder and one Piston guide in a radial distance surrounding the housing part, with between Piston guide and housing part connected to the cartridge holder via a Opening in the piston guide in the guide bore for the piston opening channel is provided, which can be connected to the atmosphere by means of a closable passage is and in the channel a closable valve device to form a die areas of the channel and the guide bore on the setting direction side, storage space closed to the atmosphere is provided.
  • the Propellant gases of a propellant charge igniting a piston from a rear Starting position driven into a front end position.
  • the piston works before it is reached its front end position on bolts, nails and the like.
  • Fasteners which in hard recording materials such as concrete, metal and the like.
  • a return for the piston which uses the propellant gases known.
  • one of the guidance of the piston is in this known solution serving piston guide surrounded by a housing part at a radial distance.
  • a carrier with a cartridge holder connects to the piston guide on.
  • Between the housing part and the piston guide is one with the cartridge holder connected channel provided, which in the setting direction area via an opening in the piston guide in the guide bore for the piston flows.
  • the propellant gases only act after the propellant charge has been ignited indirect, i.e. via an insert on the piston.
  • This insert is used for ignition the propellant charge to close the channel.
  • propellant gases can enter the guide hole in front of the guide area of the piston where they are compressed and then the piston drive back to the starting position with relaxation. It must the insert is also driven back to its starting position, so that the channel is closed again for the next driving process.
  • the rooms must be adequately ventilated in order to allow both piston and insert to be in their rear starting position take in.
  • FIG. 1 Another way to return the piston using the propellant shows the setting tool according to EP-A-0 223 740. See also introductory part of claim 1.
  • this setting tool there is a piston guide surrounded by a housing part, being between the piston guide and the housing part a channel is provided.
  • a valve device to form a areas of the channel and the guide bore on the setting direction side, storage space closed to the atmosphere.
  • a separate slide is provided for this valve device.
  • the Piston guide on a passage that has a further passage in the housing part with the Atmosphere is connectable. Again serves to close off from the atmosphere the separate slide, which with the further passage in the housing part cooperates.
  • the invention has for its object to provide a powder-operated setting tool, which has a piston return acting using the propellant gases, in its Construction is simple and is prone to failure by avoiding contamination-prone parts.
  • the effect of the recirculation according to the invention is such that when it is ignited the propellant charge the channel is still closed to the atmosphere but immediately after the piston has started moving with the guide bore is connected.
  • the propellant gases immediately after they have set the piston in motion by acting on it get the duct into the area of the pilot hole on the setting direction.
  • the valve device is closed, so that a common storage space that is closed to the atmosphere is created. Within This storage space becomes the propellant gases against the one in front End position driven piston compressed. Relaxing this compressed The piston then becomes propellant again in the direction of its rear starting position driven.
  • the carrier and the piston guide are preferably relative to one another sliding parts. This creates a great constructive advantage by expediently the valve device with axial relative displacement of the carrier can be closed against the piston guide against the setting direction. After yourself the cartridge holder is located in the carrier, this relative shift takes place from itself, ie under the influence of the propellant gases, which spread equally on all sides and thus in addition to the action in the setting direction on the piston also against the setting direction act on the carrier and drive it against the setting direction.
  • the valve device is preferably a cross-sectional constriction within the channel, which by appropriate training of both the carrier and the piston guide come about.
  • One can expediently Closure part of the valve device are formed by the piston guide, which interacts with the carrier after the relative displacement and thus closes the channel.
  • the relative displacement between the carrier and the piston guide is preferred also for the actuation of the passage provided in the carrier, which a Creates a connection to the atmosphere, exploited.
  • This is preferably this Passage under axial relative displacement of the carrier relative to the piston guide in Lockable setting direction.
  • this passage can be easier In this way, it can be ensured that the canal is only in time with the atmosphere is connected when the valve device is closed, so that the inventive authoritative, closed storage space is created.
  • the resulting Propellant gases build up sufficient pressure to accelerate the piston preferably the channel to the cartridge receptacle, from which is in the rear Piston in the starting position is closed. This measure is preferred such that the piston in its rear starting position connects the Has run over channel to the cartridge holder and the piston immediately after he has started moving, releases this connection again.
  • a simple structural design of the setting tool according to the invention can be then achieve when expediently the carrier and housing part to a relative to Piston guide axially displaceable unit are connected. Under this In particular, connecting is not understood to be a one-piece training, since otherwise Decoupling these two parts can also be advantageous for reasons.
  • a piston 1 is mounted within a piston guide 2. Is contrary to the setting direction the piston guide 2 surrounded by a carrier 3.
  • This carrier 3 has a cartridge holder 4, which contains a bore 4a, the passage of the propellant gases serves that arise when a propellant charge 5 is ignited. Furthermore, the carrier with a Pass 3a provided.
  • the piston guide 2 is surrounded by a housing part 6 at a radial distance.
  • This Housing part 6 is connected to the carrier 3.
  • a channel 7 which, as shown in particular in FIG. 2, with the cartridge holder 4 is connected.
  • an opening 2c is provided in the piston guide 2.
  • a multi-part guide device is also connected to the piston guide 2.
  • This guide device consists essentially of an element guide 8 and a guide sleeve 9.
  • the element guide 8 is used for receiving and guiding the fasteners to be driven.
  • the guide bush 9 is used for storage a braking device for the piston 1, this braking device consisting of balls 10 and a spring cage 11. At the sleeve 9 also closes against Setting direction a damping element 12.
  • Fig. 1 shows the piston 1 in its rear starting position. In this starting position the setting tool is placed on the recording material, not shown in the drawing, into which a fastener, also not shown in the drawing, is driven shall be. This fastener is within the element guide 8 stored.
  • the relative displacement of the carrier 3 takes place together with the associated housing part 6 relative to the piston guide 2 together with it connected guide device, which consists essentially of element guide 8 and Guide bushing 9 exists.
  • the braking device consisting of balls 10 and spring cage 11 has the task of braking the piston 1 during the driving process and release when released by releasing the compressed propellant into his rear Starting position is driven back. The braking takes place when the balls 10 are driven into the spring cage 11 during the driving process are and thus acts on the piston 1 increased friction. This friction will canceled when the piston 1 is moved against the setting direction, so that the Balls 10 are released from the spring cage 11.
  • the damping element 12 has the task of collecting the piston 1, for example, if this is driven in the setting direction due to a lack of recording material, in such a fallible application case thanks to the damping element 12 Destructive overstraining of the device parts can be avoided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Lock And Its Accessories (AREA)
  • Disintegrating Or Milling (AREA)
  • Gyroscopes (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Nozzles (AREA)
  • Details Of Valves (AREA)
  • Catching Or Destruction (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Fertilizing (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Window Of Vehicle (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Vehicle Body Suspensions (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Detergent Compositions (AREA)
EP94810215A 1993-04-24 1994-04-18 Pulverkraftbetriebenes Setzgerät Expired - Lifetime EP0638395B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4313504A DE4313504A1 (de) 1993-04-24 1993-04-24 Pulverkraftbetriebenes Setzgerät
DE4313504 1993-04-24

Publications (2)

Publication Number Publication Date
EP0638395A1 EP0638395A1 (de) 1995-02-15
EP0638395B1 true EP0638395B1 (de) 1998-07-08

Family

ID=6486310

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94810215A Expired - Lifetime EP0638395B1 (de) 1993-04-24 1994-04-18 Pulverkraftbetriebenes Setzgerät

Country Status (16)

Country Link
US (1) US5538172A (hu)
EP (1) EP0638395B1 (hu)
JP (1) JPH06320443A (hu)
KR (1) KR100305976B1 (hu)
CN (1) CN1045408C (hu)
AT (1) ATE168060T1 (hu)
AU (1) AU676008B2 (hu)
CA (1) CA2121619C (hu)
DE (2) DE4313504A1 (hu)
DK (1) DK0638395T3 (hu)
ES (1) ES2118353T3 (hu)
FI (1) FI103264B (hu)
HU (1) HU216486B (hu)
NO (1) NO304141B1 (hu)
PL (1) PL173242B1 (hu)
TW (1) TW240189B (hu)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553764A (en) * 1995-06-05 1996-09-10 Sencorp Gas return cylinder for a reciprocating driver in a tool
US5606794A (en) * 1995-07-06 1997-03-04 Sigma Tool & Machine Variable impact tee-nut insertion machine
DE19532411A1 (de) * 1995-09-01 1997-03-06 Hilti Ag Pulverkraftbetriebenes Setzgerät
FR2742375B1 (fr) * 1995-12-13 1998-02-13 Spit Soc Prospect Inv Techn Appareil de scellement de tampons de fixation
DE19547859A1 (de) 1995-12-21 1997-06-26 Hilti Ag Pulverkraftbetriebenes Setzgerät
DE19548870A1 (de) * 1995-12-27 1997-07-03 Hilti Ag Pulverkraftbetriebenes Setzgerät
FR2746690B1 (fr) * 1996-03-26 1998-05-29 Spit Soc Prospect Inv Techn Appareil d'entrainement de tampon par masselotte a retour automatique en position du tir
DE19617671C1 (de) * 1996-05-03 1997-10-09 Beto Tornado Gmbh Pulverkraftbetriebenes Bolzensetzgerät
DE19617672C1 (de) * 1996-05-03 1997-10-09 Beto Tornado Gmbh Pulverkraftbetriebenes Bolzensetzgerät
DE19755730A1 (de) * 1997-12-15 1999-06-17 Hilti Ag Bolzensetzgerät
US6092710A (en) * 1998-06-09 2000-07-25 Berner Gmbh Explosive powder charge operated bolt-setting tool
US6059162A (en) * 1998-10-16 2000-05-09 Illinois Tool Works Inc. Exhaust baffle and spring assisted reset and dampener for powder actuated tool
AUPP770598A0 (en) * 1998-12-14 1999-01-14 Ramset Fasteners (Aust.) Pty. Limited Power actuated tools
AUPQ292499A0 (en) * 1999-09-17 1999-10-07 Cetram Pty Limited Power actuated tools
DE19962696C1 (de) * 1999-12-23 2001-06-07 Hilti Ag Brennkraftbetriebenes Arbeitsgerät mit Bremseinrichtung für seinen Kolben
US20030124474A1 (en) * 2000-06-07 2003-07-03 David Elliott Self extinguishing candles and method of making same
DE10105879C2 (de) * 2001-02-09 2002-12-12 Hilti Ag Kolbenhalterung
DE10105880C2 (de) * 2001-02-09 2003-04-10 Hilti Ag Kolbenhalterung
DE10105885C1 (de) * 2001-02-09 2002-06-13 Hilti Ag Kolbenhalterung
DE10105882C2 (de) * 2001-02-09 2002-12-05 Hilti Ag Kolbenhalterung
CA2355504A1 (en) * 2001-08-17 2003-02-17 Yves Daunas Autonomous gas powered ram
US7051528B2 (en) * 2001-08-17 2006-05-30 Yves Daunas Autonomous gas powered ram
US6679411B2 (en) * 2001-12-21 2004-01-20 Illinois Tool Works Inc. Piston retention system for a fastener driving tool
DE10254964B4 (de) * 2002-11-26 2014-02-13 Hilti Aktiengesellschaft Setzgerät
FR2848489B1 (fr) * 2002-12-11 2006-02-03 Prospection & Inventions Appareil de scellement a tir indirect
DE102005000113B4 (de) * 2005-09-13 2014-03-27 Hilti Aktiengesellschaft Setzgerät
DE102005000114A1 (de) * 2005-09-13 2007-03-15 Hilti Ag Setzgerät
US7753230B2 (en) * 2007-12-20 2010-07-13 Mikio Kusano Nut feeder
DE102010036723A1 (de) * 2010-07-29 2012-02-02 Fischerwerke Gmbh & Co. Kg Brennkraftbetriebenes Setzgerät
CN203092484U (zh) * 2013-02-22 2013-07-31 郭景辉 一种用于射钉枪的卸力装置
CN107627261A (zh) * 2017-10-31 2018-01-26 丘利锋 一种消音性能好的连发式射钉器

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744240A (en) * 1971-11-05 1973-07-10 Olin Corp Fastener driving tool
FR2294808A1 (fr) * 1974-12-20 1976-07-16 Hilti Ag Appareil de scellement de chevilles a poudre
US4196834A (en) * 1978-12-11 1980-04-08 Olin Corporation Noise reducer for powder actuated fastening tool
DE3427616A1 (de) * 1984-07-26 1986-01-30 Hilti Ag, Schaan Pulverkraftbetriebenes bolzensetzgeraet
DE3540953A1 (de) * 1985-11-19 1987-05-21 Hilti Ag Pulverkraftbetriebenes bolzensetzgeraet

Also Published As

Publication number Publication date
HUT69246A (en) 1995-08-28
DE4313504A1 (de) 1994-10-27
FI103264B1 (fi) 1999-05-31
FI941849A0 (fi) 1994-04-21
DK0638395T3 (da) 1999-04-19
CN1045408C (zh) 1999-10-06
HU9401169D0 (en) 1994-07-28
AU5949894A (en) 1994-10-27
JPH06320443A (ja) 1994-11-22
CA2121619A1 (en) 1994-10-25
NO304141B1 (no) 1998-11-02
EP0638395A1 (de) 1995-02-15
CA2121619C (en) 2001-04-17
ATE168060T1 (de) 1998-07-15
TW240189B (hu) 1995-02-11
FI941849A (fi) 1994-10-25
AU676008B2 (en) 1997-02-27
NO941480D0 (no) 1994-04-22
US5538172A (en) 1996-07-23
DE59406393D1 (de) 1998-08-13
PL173242B1 (pl) 1998-02-27
CN1095982A (zh) 1994-12-07
HU216486B (hu) 1999-07-28
ES2118353T3 (es) 1998-09-16
NO941480L (no) 1994-10-25
KR100305976B1 (ko) 2001-11-30
FI103264B (fi) 1999-05-31

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