EP2886260A1 - Eintreibgerät - Google Patents

Eintreibgerät Download PDF

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Publication number
EP2886260A1
EP2886260A1 EP13198436.1A EP13198436A EP2886260A1 EP 2886260 A1 EP2886260 A1 EP 2886260A1 EP 13198436 A EP13198436 A EP 13198436A EP 2886260 A1 EP2886260 A1 EP 2886260A1
Authority
EP
European Patent Office
Prior art keywords
piston
piston member
tacker
tacker according
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.)
Withdrawn
Application number
EP13198436.1A
Other languages
German (de)
English (en)
French (fr)
Inventor
Matthias Blessing
Orestis Voulkidis
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 EP13198436.1A priority Critical patent/EP2886260A1/de
Priority to ES14815320.8T priority patent/ES2667696T3/es
Priority to PCT/EP2014/077913 priority patent/WO2015091449A1/de
Priority to RU2016129209A priority patent/RU2661522C2/ru
Priority to TR2018/08816T priority patent/TR201808816T4/tr
Priority to AU2014364679A priority patent/AU2014364679A1/en
Priority to BR112016013852-0A priority patent/BR112016013852B1/pt
Priority to US15/104,368 priority patent/US10562164B2/en
Priority to EP14815320.8A priority patent/EP3083153B1/de
Priority to CN201480074470.0A priority patent/CN105939819B/zh
Publication of EP2886260A1 publication Critical patent/EP2886260A1/de
Priority to AU2017219070A priority patent/AU2017219070B2/en
Withdrawn legal-status Critical Current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
    • 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 setting wheel is provided on the device, which is laterally offset from a central axis of the piston in a respect to the driving direction rear portion of the device.
  • the DX 36 is a type of driver without automatic piston return.
  • the piston is moved after a driving operation by a manual Repetierterrorism in a start position.
  • a piston guide is pushed forward together with the piston in the drive-in direction until a defined stop stops this movement.
  • the piston guide is pushed in the opposite direction to the rear until the piston guide reaches a defined rear stop.
  • 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.
  • a central axis in the sense of the invention is an axis at least parallel to the movement of the fastening element, which runs 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 operating part about the central axis means a substantially perpendicular to the axis oriented deflection of the control panel from a previous position.
  • 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.
  • the piston member is designed as a particular cylindrical piston.
  • 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 coupled via a mechanical positive control with an adjustable in the direction of the central axis stop member.
  • an adjustable in the direction of the central axis stop member In a simple way, this allows an ergonomically preferred adjustment of the operating part, in particular with large adjustment paths, to be converted into a corresponding axial adjustment of the abutment part.
  • the axial adjustment of the stop member may serve depending on the mechanical design of 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.
  • a distance between a first, acting on the piston guide stop member and a second, acting on the piston member stop member is adjustably adjustable by the actuator.
  • the definition of the starting position of the piston member relative to the piston guide in the course of a pull-out movement of the piston guide takes place 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 can 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.
  • a locking member blocking the piston member can be unlocked in only one of a plurality of positions of the control panel. 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, with a particular manual provision of the piston member takes place with the cooperation of the stop.
  • 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 fuze and is inserted into a cartridge bearing 4 before ignition via a corresponding loading mechanism.
  • 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 arranged between a circular opening 4a of the cartridge bearing 4 and the surface 2a of the piston 2.
  • 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 Koben adjustment is formed in its front portion 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 disassembly of the 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 cooperates as a stop on the piston guide with the second stop member 9.
  • the second stop member 9 also acts as a releasable locking member, is prevented by the removal of the piston guide 5 from the housing 1 in the closed state.
  • stop parts in duplicate function as detachable latch parts for disassembly of the device.
  • 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 operating part 10 is designed as a rotatable, annular sleeve which is arranged substantially concentrically around the central axis A in a front region of the housing 1 of the tacking device.
  • a slide track 11 is formed in the sleeve 10.
  • 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.
  • the desired driving energy is set as the energy level marked on the operating part by rotating the sleeve 10. This leads via the positive control described above to a selected axial positioning of the second stop member 9.
  • 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. During this second portion of the repeating movement, the piston member is no longer moved relative to the piston guide.
  • a propellant charge is introduced into the cartridge bearing 4 and the device is ready for the next driving operation.
  • the sleeve-shaped operating part 10 has the first recess 10a, which is formed as an opening, and the second recess 10b, 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, which passes through a slot 8a in the locking member 8.
  • 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.
  • Such locks are known, for example, in sleeves for adjusting torque in drills.
  • the sleeve has only two locked positions, namely a maintenance position ( Fig. 9 ) and an operating position ( Figure 8 ).
  • a maintenance position Fig. 9
  • Figure 8 In the maintenance position according to Fig. 9 is the released latch member 8 analogous to the first example in Fig. 3 pushed out radially. This takes place in the course of disassembly of piston member 2 and piston guide 5 by the interaction of the components with the locking member 8 via respective beveled surfaces 5a.
  • a slide track 11 and a sliding block 12 are provided below the rotatable sleeve 10 as a control 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)
EP13198436.1A 2013-12-19 2013-12-19 Eintreibgerät Withdrawn EP2886260A1 (de)

Priority Applications (11)

Application Number Priority Date Filing Date Title
EP13198436.1A EP2886260A1 (de) 2013-12-19 2013-12-19 Eintreibgerät
AU2014364679A AU2014364679A1 (en) 2013-12-19 2014-12-16 Drive-in device
PCT/EP2014/077913 WO2015091449A1 (de) 2013-12-19 2014-12-16 Eintreibgerät
RU2016129209A RU2661522C2 (ru) 2013-12-19 2014-12-16 Забивающее устройство
TR2018/08816T TR201808816T4 (tr) 2013-12-19 2014-12-16 Çakma aleti.
ES14815320.8T ES2667696T3 (es) 2013-12-19 2014-12-16 Aparato de accionamiento
BR112016013852-0A BR112016013852B1 (pt) 2013-12-19 2014-12-16 Aparelho de cravação
US15/104,368 US10562164B2 (en) 2013-12-19 2014-12-16 Drive-in device
EP14815320.8A EP3083153B1 (de) 2013-12-19 2014-12-16 Eintreibgerät
CN201480074470.0A CN105939819B (zh) 2013-12-19 2014-12-16 打入装置
AU2017219070A AU2017219070B2 (en) 2013-12-19 2017-08-25 Drive-in device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13198436.1A EP2886260A1 (de) 2013-12-19 2013-12-19 Eintreibgerät

Publications (1)

Publication Number Publication Date
EP2886260A1 true EP2886260A1 (de) 2015-06-24

Family

ID=49816878

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13198436.1A Withdrawn EP2886260A1 (de) 2013-12-19 2013-12-19 Eintreibgerät
EP14815320.8A Active EP3083153B1 (de) 2013-12-19 2014-12-16 Eintreibgerät

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP14815320.8A Active EP3083153B1 (de) 2013-12-19 2014-12-16 Eintreibgerät

Country Status (9)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2923797A1 (de) * 2014-03-28 2015-09-30 HILTI Aktiengesellschaft Pyrotechnisches Eintreibgerät

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DE2628814A1 (de) * 1975-07-02 1977-01-27 Prospection & Inventions Duebelpistole
US4153192A (en) * 1977-03-02 1979-05-08 Hilti Aktiengesellschaft Control member for fastening element setting device
US4877171A (en) * 1987-09-15 1989-10-31 Societe De Prospection Et D'inventions Techniques Indirect firing fastener driving apparatus with firing power adjustment
US5699948A (en) * 1996-12-16 1997-12-23 Lee; Cheng-Ho Adjusting means for use in a staple gun

Also Published As

Publication number Publication date
RU2016129209A (ru) 2018-01-24
AU2014364679A1 (en) 2016-07-07
WO2015091449A1 (de) 2015-06-25
ES2667696T3 (es) 2018-05-14
EP3083153A1 (de) 2016-10-26
US20160311099A1 (en) 2016-10-27
TR201808816T4 (tr) 2018-07-23
US10562164B2 (en) 2020-02-18
CN105939819B (zh) 2017-10-24
EP3083153B1 (de) 2018-04-04
RU2661522C2 (ru) 2018-07-17
CN105939819A (zh) 2016-09-14
AU2017219070A1 (en) 2017-09-14
BR112016013852B1 (pt) 2021-03-30
AU2017219070B2 (en) 2019-01-31

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