EP3083153A1 - Appareil d'enfoncement - Google Patents

Appareil d'enfoncement

Info

Publication number
EP3083153A1
EP3083153A1 EP14815320.8A EP14815320A EP3083153A1 EP 3083153 A1 EP3083153 A1 EP 3083153A1 EP 14815320 A EP14815320 A EP 14815320A EP 3083153 A1 EP3083153 A1 EP 3083153A1
Authority
EP
European Patent Office
Prior art keywords
piston
piston member
tacker
driving device
central axis
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.)
Granted
Application number
EP14815320.8A
Other languages
German (de)
English (en)
Other versions
EP3083153B1 (fr
Inventor
Orestis Voulkidis
Matthias Blessing
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
Priority to EP14815320.8A priority Critical patent/EP3083153B1/fr
Publication of EP3083153A1 publication Critical patent/EP3083153A1/fr
Application granted granted Critical
Publication of EP3083153B1 publication Critical patent/EP3083153B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B25C1/143—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge acting on an intermediate plunger or anvil trigger operated
    • 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 tacker according to the preamble of claim 1.
  • Hand-held driving devices with propellant charge are known from the prior art, in which after ignition of a pyrotechnic charge, the resulting fuel gases expand in a combustion chamber. As a result, a piston is accelerated as energy transfer means and drives a fastener into a workpiece.
  • a known pyrotechnic tacker is sold under the designation DX 36 by Hilti Corporation, Schaan, Liechtenstein.
  • the driving force of a piston can be reduced if necessary by controlled presentation of the starting position of the piston in a combustion chamber.
  • a thumbwheel is provided on the device, which laterally offset to a central axis of the piston in a respect
  • the DX 36 is a type of driver without automatic piston return. On the DX 36, the piston comes to a
  • the piston is spent by the first part of the repeating movement in a rear position in the piston guide, which is a start position with maximum Driving energy corresponds.
  • the piston member can be adjusted if necessary by an adjustable stop to an imagined start position relative to the piston guide. It is the object of the invention to provide a tacker that allows easy adjustment of a driving energy given a propellant charge.
  • a central axis in the sense of the invention is one for the movement of the
  • Fastening element at least parallel axis, which passes through a center of the combustion chamber.
  • the central axis extends through both the center of the combustion chamber and through a center of the fastener.
  • the control panel may be any suitable means for manual adjustment, such as a rotatable sleeve, a pivotable knob, or the like.
  • a pivoting of the control panel about the central axis means a in
  • a movement line or trajectory of the operating part has a radius of curvature, which is preferably not smaller than a distance of the operating part from the central axis.
  • the pivoting is a rotation about the central axis.
  • a driving energy is understood to mean the kinetic energy of a given fastening means for a given propellant charge. Given these boundary conditions, it is possible by the actuator to adjust the resulting driving energy of the fastener adjustable.
  • a piston member according to the invention is any means which is acted upon by the ignition of the charge with kinetic energy, wherein the kinetic energy is ultimately transferred to the fastening means. Often the piston member is designed as a particular cylindrical piston. In the piston head recesses or other structures may be provided which further promote turbulence and uniform expansion of the fuel gases.
  • any retractable anchoring such as nail, bolt or screw understood.
  • control unit is over a
  • the stop member can serve an adjustable stop of the piston member or a guide of the piston member, whereby a total of an imaginary position of the piston member is achieved.
  • a forced control may preferably comprise a slide track and a sliding block running in the slide track.
  • the piston member is movably received in a preferably comprising the combustion chamber piston guide, wherein the piston guide is received axially displaceable relative to the hand-held housing of the tacker.
  • a design allows, inter alia, a repeating movement to manual return of the piston member.
  • the sequence of the repeating movement by the operator can be carried out, for example, as in the input device DX 36 of the Hilti Corporation described in the introduction.
  • Piston member acting stop member adjustably adjustable.
  • the two stop members act in the same direction on the piston member and on the piston guide.
  • Piston guide forward in the driving direction.
  • the piston guide is then moved with the piston member already defined presented in a rear starting position for the driving operation.
  • This functional sequence in the course of the repeating movement is particularly easy to combine with an inventive design of the control panel.
  • the operating part is designed as an annular sleeve, wherein the sleeve surrounds the central axis.
  • the sleeve can be rotated in several different positions, wherein at least two different positions are assigned to two different drive energies.
  • the sleeve may be held by means of a locking member in at least one defined position.
  • Such defined positions may be a maintenance position or a defined position for changing the driving energy.
  • An inventive control panel and in particular a sleeve described above can be arranged to optimize the ergonomics of the device in a front area in front of a handle of the device. This can result in arrangement and design of the control panel an advantageous analogy to known controls of hand-held drills and / or cordless screwdrivers.
  • the controls of such devices are used according to other purposes, such as a torque adjustment or a change from screwing to hammer operation in a percussion drill.
  • control panel can also be used for an additional function to the energy setting.
  • a disassembly of the piston member by the control panel is releasably lockable. Pyrotechnic powered tackle must be dismantled regularly for cleaning and maintenance purposes, usually the piston member is removed from the device to allow cleaning of piston member and combustion chamber.
  • Pyrotechnic powered tackle must be dismantled regularly for cleaning and maintenance purposes, usually the piston member is removed from the device to allow cleaning of piston member and combustion chamber.
  • Locking member in only one of several positions of the control panel unlocked. By unlocking the latch member then the latch member can be solved a disassembly of the device and a removal of the piston member done.
  • control panel has a recess, wherein the locking member is movable in the radial direction when the locking member is covered with the recess. The radial deflection of the locking member then allows removal of the piston member and / or its leadership.
  • the locking member in the locked position at the same time provide the function of a stop for the piston member or the piston guide, wherein a
  • FIG. 1 shows an overall view of a Eintreibuzes invention.
  • FIG. 2 shows a detailed spatial view of the tacker of FIG. 1.
  • FIG. 1 shows an overall view of a Eintreibuzes invention.
  • FIG. 2 shows a detailed spatial view of the tacker of FIG. 1.
  • FIG. 3 further shows a detailed spatial view of the tacker of FIG. 1
  • Fig. 4 shows another detailed spatial view of the tacker of FIG. 1 with
  • control panel in a position of maximum driving energy, wherein an outer cover of the control panel has been omitted.
  • Fig. 5 shows a partial sectional view of the tacker of Fig. 1 at
  • FIG. 6 shows the sectional view from FIG. 5 with the setting of a minimum driving energy.
  • Fig. 7 shows the sectional view of Fig. 5 at a maintenance position of the control panel with a released latch member and removed piston member.
  • Fig. 8 shows a detailed spatial view of another embodiment of the
  • Fig. 9 shows the embodiment of Fig. 8 with a control panel in one
  • a drive-in device comprises a hand-guided housing 1, in which a piston member in the form of a piston 2 is accommodated.
  • a surface 2a of the piston 2 defines a combustion chamber 3 in which the combustion gases of a pyrotechnic charge expand to accelerate the piston 2.
  • the charge is presently received in a cartridge made of sheet metal.
  • the cartridge has an impact fuse and is about to be ignited
  • the cartridge and the cartridge bearing 4 are rotationally symmetrical about a central axis A.
  • the central axis A is in the present examples at the same time a central axis of the combustion chamber 3 and the
  • Piston member 2 The combustion chamber 3 is disposed between a circular opening 4a of the cartridge bearing 4 and the surface 2a of the piston 2. In the present case, a depression 2b is formed in the piston 2, which contributes to a better turbulence of the combustion gases and forms part of the boundary of the combustion chamber 3.
  • the combustion chamber 3 with the cartridge bearing 4 is part of a piston guide 5.
  • the piston guide 5 is formed as a linearly displaceable in the housing 1 of the tacker along the axis component.
  • the piston member 2 is in turn displaceable in the piston guide 5 linearly along the central axis A.
  • the Kobenment is formed in its front region substantially as a hollow cylindrical element, wherein from one end of the region of the combustion chamber 3 a
  • Slit 6 is provided in the wall of the piston guide 5.
  • a front end of the piston guide 5 is releasably connected to a receptacle for the fastening means (not shown). This shot may be as one depending on use be formed different module.
  • a connection of the receptacle with the piston guide can be made via a clamp which engages in a recess 7 at a front end of the piston guide 5.
  • a first abutment part 8 protrudes into the slot 6 in the radial direction.
  • the stop member 8 serves as a front stop for the piston member 2 in the course of a manual piston return or a two-stage repeating movement.
  • the stop member 8 serves as a locking member, wherein a disassembly of piston member 2 and
  • Piston guide 5 is prevented by the locking member in the closed state.
  • a second stop member 9 also protrudes in the radial direction of the housing 1 inwardly, wherein a chamfer 5a as a stop on the piston guide with the second
  • Stop member 9 cooperates.
  • the second stop member 9 also acts as a releasable locking member, by the removal in the closed state
  • Piston guide 5 is prevented from the housing 1.
  • Stop parts in double function also as releasable latch parts for disassembly of the device form.
  • Other versions of input devices may also be different components in each case.
  • a distance d between the abutment parts 8, 9 can be variably changed by means of a control part 10, wherein a starting position of the piston member 2 relative to the piston guide 5 or the combustion chamber 3 is variable by the size of the distance d.
  • the stop members 8, 9 can be released in a maintenance position of the control unit 10 for a radial movement to the outside and thus unlocking, whereas they are blocked in other positions of the control panel 10 in the radial direction.
  • the control unit has 10 recesses 10a, 10b, in which engage the latch members or stop members 8, 9 at a corresponding position of the control panel 10. This is illustrated by a comparison of the maintenance position in FIG. 7 with a normal operating position in FIG. 5 or FIG. 6.
  • the control unit 10 is presently designed as a rotatable, annular sleeve, which in
  • a slide track 1 1 is formed in a front region of the housing 1 of the tacker.
  • a sliding block 12 is movably mounted only in the axial direction and engages with a pin 12a from below into the slide track 11. In a pivoting or present twisting of the sleeve 10 about the central axis A of the sliding block is forcibly changed in its axial position.
  • the second stop member 9 is connected to the sliding block 12 and is adjusted accordingly with the sliding block in the axial direction. Overall, the slide track 11 and the sliding block 12 thus form a mechanical positive control for the axial adjustment of the stop member 9.
  • This adjustment works as follows:
  • the piston member After a Eintreibvorgang the piston member is in a partially undefined, but largely shifted forward position.
  • the piston guide 5 is located in a maximally pushed back into the tacker in position.
  • front and rear are always selected with reference to the driving direction.
  • the first stop member 8 is not adjustable in the axial direction in the present embodiment.
  • the piston guide is pulled out of the housing to the front.
  • the piston member 2 is moved along until it abuts against the first stop member 8.
  • the piston guide is also moved relative to the piston member 2, until it in turn strikes in the same stop direction on the second stop member 9.
  • the piston guide 5 is inserted in the opposite direction back into the device until it has reached a starting position for the next Eintriebvorgang.
  • the piston member is no longer moved relative to the piston guide.
  • Aperture is formed, and the second recess 10 b, which is formed as a cavity.
  • To the cavity can connect laterally a ramp, whereby the second stop member 9 can be pushed back radially inwardly after assembly.
  • the stop members or locking members 8, 9 are no longer blocked in a radial movement, but can be pressed by bevels in the course of a withdrawal of piston member 2 and piston guide 5 radially outward (see Fig. 3, Fig. 7). , In these positions, the latch members 8, 9 are unlocked.
  • the second locking member 9 is further secured by the sleeve 10 from falling out to the outside.
  • the first locking member 9 performs a larger stroke in the radial direction and is secured by an open spring ring 13 having a slot 8a in the
  • Bolt member 8 passes through.
  • Bolt member 8 passes through.
  • the second embodiment of FIG. 8 is formed on the sleeve
  • a locking member 14 is provided, by means of which the sleeve 10 is held in a latching manner in different defined rotational positions. From these positions, the sleeve can be adjusted by overcoming the locking force.
  • the locking member has a spring tongue 15 which engages with a projection in a peripheral locking gate 16 of the sleeve 10.
  • the spring force of the spring tongue 15 acts in the axial direction.
  • a radially acting detent spring may engage a radially directed detent gate of the sleeve 10.
  • Catches are known, for example, in sleeves for adjusting torque in drills.
  • FIGS. 8 and 9 The variant shown in FIGS. 8 and 9 is a simplified version which does not provide for adjustment of the driving energy. For this reason, the sleeve has only two locked positions, namely a maintenance position (FIG. 9) and a
  • a slide track 1 1 and a sliding block 12 are provided below the rotatable sleeve 10 as the operating part, by means of which the second stop part 9 is adjusted in the axial direction.
  • a variant according to the invention expediently has further latching positions, which in particular can correspond to discrete, preselectable energy settings.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

L'invention concerne un appareil d'enfoncement qui comprend un boîtier tenu à la main (1) dans lequel est logé un élément de piston (2) qui sert à transmettre de l'énergie à un élément de fixation à enfoncer, une charge de propulsion remplaçable, une chambre de combustion (3) disposée entre la charge de propulsion et l'élément de piston (2) et s'étendant autour d'un axe central (A), et un actionneur (8, 9, 10, 11, 12) permettant de modifier de façon réglable la position initiale de l'élément de piston (2) afin de faire varier l'énergie transmise de la charge de propulsion à l'élément de piston (2), l'actionneur (8, 9, 10, 11, 12) comportant un élément de commande (10) pivotant autour de l'axe central (A).
EP14815320.8A 2013-12-19 2014-12-16 Appareil d'enfoncement Active EP3083153B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14815320.8A EP3083153B1 (fr) 2013-12-19 2014-12-16 Appareil d'enfoncement

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13198436.1A EP2886260A1 (fr) 2013-12-19 2013-12-19 Appareil d'enfoncement
EP14815320.8A EP3083153B1 (fr) 2013-12-19 2014-12-16 Appareil d'enfoncement
PCT/EP2014/077913 WO2015091449A1 (fr) 2013-12-19 2014-12-16 Appareil d'enfoncement

Publications (2)

Publication Number Publication Date
EP3083153A1 true EP3083153A1 (fr) 2016-10-26
EP3083153B1 EP3083153B1 (fr) 2018-04-04

Family

ID=49816878

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13198436.1A Withdrawn EP2886260A1 (fr) 2013-12-19 2013-12-19 Appareil d'enfoncement
EP14815320.8A Active EP3083153B1 (fr) 2013-12-19 2014-12-16 Appareil d'enfoncement

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13198436.1A Withdrawn EP2886260A1 (fr) 2013-12-19 2013-12-19 Appareil d'enfoncement

Country Status (9)

Country Link
US (1) US10562164B2 (fr)
EP (2) EP2886260A1 (fr)
CN (1) CN105939819B (fr)
AU (2) AU2014364679A1 (fr)
BR (1) BR112016013852B1 (fr)
ES (1) ES2667696T3 (fr)
RU (1) RU2661522C2 (fr)
TR (1) TR201808816T4 (fr)
WO (1) WO2015091449A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2923797A1 (fr) * 2014-03-28 2015-09-30 HILTI Aktiengesellschaft Cloueur à poudre

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EP2875903A1 (fr) * 2013-11-26 2015-05-27 HILTI Aktiengesellschaft Cloueur à poudre
EP2886259A1 (fr) * 2013-12-18 2015-06-24 HILTI Aktiengesellschaft Appareil d'enfoncement
EP2886257A1 (fr) * 2013-12-18 2015-06-24 HILTI Aktiengesellschaft Appareil d'enfoncement
EP2923797A1 (fr) * 2014-03-28 2015-09-30 HILTI Aktiengesellschaft Cloueur à poudre
EP2923800A1 (fr) * 2014-03-28 2015-09-30 HILTI Aktiengesellschaft Cloueur à poudre
EP3034239A1 (fr) * 2014-12-19 2016-06-22 HILTI Aktiengesellschaft Appareil d'enfoncement doté de chambre de combustion réglable
EP3034238A1 (fr) * 2014-12-19 2016-06-22 HILTI Aktiengesellschaft Appareil d'enfoncement doté de chambre de combustion réglable

Also Published As

Publication number Publication date
AU2017219070A1 (en) 2017-09-14
CN105939819B (zh) 2017-10-24
ES2667696T3 (es) 2018-05-14
US20160311099A1 (en) 2016-10-27
EP3083153B1 (fr) 2018-04-04
AU2017219070B2 (en) 2019-01-31
CN105939819A (zh) 2016-09-14
RU2016129209A (ru) 2018-01-24
RU2661522C2 (ru) 2018-07-17
BR112016013852B1 (pt) 2021-03-30
AU2014364679A1 (en) 2016-07-07
WO2015091449A1 (fr) 2015-06-25
US10562164B2 (en) 2020-02-18
EP2886260A1 (fr) 2015-06-24
TR201808816T4 (tr) 2018-07-23

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