EP0962289B1 - Outil de scellement de chevilles - Google Patents

Outil de scellement de chevilles Download PDF

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Publication number
EP0962289B1
EP0962289B1 EP99110258A EP99110258A EP0962289B1 EP 0962289 B1 EP0962289 B1 EP 0962289B1 EP 99110258 A EP99110258 A EP 99110258A EP 99110258 A EP99110258 A EP 99110258A EP 0962289 B1 EP0962289 B1 EP 0962289B1
Authority
EP
European Patent Office
Prior art keywords
bolt
driving device
damping
housing
spring
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
EP99110258A
Other languages
German (de)
English (en)
Other versions
EP0962289A3 (fr
EP0962289A2 (fr
Inventor
Gerd Dr.-Ing Kellner
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.)
Adolf Wuerth GmbH and Co KG
Original Assignee
Adolf Wuerth GmbH and Co KG
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 Adolf Wuerth GmbH and Co KG filed Critical Adolf Wuerth GmbH and Co KG
Publication of EP0962289A2 publication Critical patent/EP0962289A2/fr
Publication of EP0962289A3 publication Critical patent/EP0962289A3/fr
Application granted granted Critical
Publication of EP0962289B1 publication Critical patent/EP0962289B1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/22—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke
    • F15B15/226—Other details, e.g. assembly with regulating devices for accelerating or decelerating the stroke having elastic elements, e.g. springs, rubber pads

Definitions

  • the invention is based on a bolt pusher.
  • Bolt-driving device serve to fasten with the help of propellant charges to drive into an underground, for example Steel nails. Because of the use of propellant charges arises a recoil in the devices.
  • a bolt pusher is already known (EP-732178), at the between two housing parts for a damping element Damping the recoil is provided.
  • a pneumatic hammer is known (DE-B2 -1011819), in which to intercept of recoil and impact blows of an insert tool the handle with a balancing mass that can be oscillated at the same frequency but in different phases from the cylinder is firmly connected.
  • the invention has for its object a bolt-driving tool of the type mentioned in terms of its handling continue to improve.
  • the invention proposes a bolt pusher with the features mentioned in claim 1. Developments of the invention are the subject of dependent claims.
  • the damping device by a biased Spring element is formed.
  • the preload can be used for this to adjust the damping more or less strongly.
  • the spring element is a compression spring. It can be a Act helical compression spring. A gas pressure spring is also possible. Furthermore, a spring element made of rubber or similar elastomer can be used. Also a combination of different ones Possibilities are envisaged by the invention.
  • the invention can be provided in training that the device has two or more damping devices, in particular arranged at different points on the circumference of the tube could be. This also makes it possible for the both damping devices each designed somewhat smaller are so that the device does not become too bulky.
  • the two damping devices are arranged at two diametrical locations. In this way, tilting moments can be absorbed or avoided become.
  • the spring around the Shaft of a pin is arranged around the relative movement between the Housing and the outer tube limited.
  • the life of the device can be increased be provided that around the shaft of the pin-shaped Component is arranged around a sleeve.
  • the damping device can in particular in a cavity of the housing can be arranged so that they are covered to the outside is.
  • Fig. 1 shows a side view of that proposed by the invention Bolt-firing device. It has an elongated shape on.
  • the device contains a housing 1.
  • the housing 1 can for example consist of plastic or light metal.
  • To the an output device 2 is arranged at one end of the housing 1, which has an outer sleeve 3.
  • the outer sleeve 3 contains a bolt guide inside. From the sleeve 3 the fasteners are pushed out. Operational the sleeve 3 on the surface, for example a Wall, put on and pushed something into the device, so a safety device can be triggered.
  • a handle 4 On one long side of the housing 1, in Fig. 1 the Bottom, a handle 4 is arranged.
  • the handle 4 has closed bow shape and thereby forms a through opening 5, on one side of which the release button 6 for a trigger mechanism is arranged.
  • FIG. 2 shows on an enlarged scale compared to FIG. 1 a partial longitudinal section through the middle part of the device, ie between the output device 2 and the rear part.
  • In the handle 4 is a extending in the longitudinal direction Cavity 7 formed.
  • An outer tube 8 is arranged in the interior of the housing 1, that can be moved in the longitudinal direction of the housing 1 to a limited extent is.
  • the outer tube 8 is made of metal, for example.
  • On The outer tube contains at least one point on its circumference a radial projection 9, which contains an opening 10.
  • the The axis of the opening 10 runs parallel to the longitudinal axis of the Device.
  • a driving ring 11 is accommodated in the opening 10, through which a bolt 12 protrudes.
  • the Bolt 12 extends through the cavity 7 in the handle part 4 and protrudes through an opening of the handle part 4 into a recess 13.
  • a nut element 14 is in the recess 13 used, in which the bolt 12 with its outer Threaded end 15 is screwed.
  • the bolt 12 engages with its head 16 on the Outside of the ring member 11.
  • a sleeve 17 is around the shaft of the bolt 12 arranged a flange at its right end in Fig. 2 18 has. This outward flange 18 is located on the bottom of the cylindrical cavity 7. This increases the bearing surface of the sleeve 17.
  • a compression spring 19 which is only indicated schematically. It is a helical compression spring.
  • the helical compression spring 19 is dimensioned so that it is biased Condition is used in the cavity 17.
  • Pretension can be regulated.
  • the helical compression spring other elastically deformable elements can also be used, for example rubber elements.
  • the outer tube 8, which is displaceable relative to the housing 1 can, for example, in Fig. 2 in the shift right to be moved as far as this is increasing deformation the coil spring 19 allows.
  • An inner tube 20 is arranged inside the outer tube 3, the individual over part of its length on its outside Has circumferential ribs 21.
  • the inner tube 20 forms a piston guide sleeve.
  • In the inner tube 20 is a circular cylindrical Interior 22 formed of the trajectory for the Driving piston 23 forms.
  • the driving piston 23 has a relative short section 23a, with which it on the inside of the Inner tube 20 is guided during the longitudinal movement.
  • the the rear end of the driving piston 23 lies flush on the inside of the interior 22.
  • the driving piston 23 settles then via a piston rod 24 with a first one Diameter continues, which is then reduced to a section 25 Diameter passes.
  • This piston rod 25 also serves its end not visible in FIG. 2, directly at the end attacking fastener.
  • the propellant charge cartridge is ignited on the right in FIG. 1, which then moves the piston 23 to the left in FIG. 2.
  • the recoil that occurs is the outer tube 8 in Fig. 2 moves to the right, which leads to a shortening of the spring 19 leads, which brakes the returning outer tube 8 in this way and thus dampens the recoil.
  • the union nut 27 is held by a second shoulder 35 a flange 36 of the outer dispensing sleeve 3.
  • the dispensing sleeve 3 surrounds inner sleeve 34 with a close fit.
  • Fig. 3 The arrangement of Fig. 3 is such that at one Pressure against a wall, the outer sleeve 3 against the inner Sleeve 34 can slide as far as the rubber elements Allow 37.
  • the buffer 37 which is approximately cylindrical and around the Distributed around the circumference, dampen the blow against the wall or the floor, depending on which surface a fastener is in is used.
  • an elastomeric central buffer 38 located axially in front of the elastomeric central buffer 38 .
  • a metallic brake ring 40 with a conical surface 40a, which corresponds to the conical surface 25a of the driving piston 23, 24.
  • the ignition unit is in the rear area of the outer sleeve 8 42 set up, which has an ignition needle 43, the tip of the cartridge chamber 44a behind the Driving piston 23 directed in the end piece 44 of the piston guide sleeve 20 is.
  • One cartridge is placed in each cartridge chamber introduced by the firing pin 43 when actuated the trigger device 6 is brought to ignition.
  • the propellant gases pass through channel 45 behind the propellant piston 23, which is thereby moved forward impulsively.
  • Each after ignition and movement of the driving piston the next cartridge is conveyed into the cartridge chamber.
  • Chambers 46 are provided, which are preferably equal distances have to the longitudinal axis of the driving piston 23.
  • a damping spring 47 is used, which is at one end on the housing 1 or parts of the housing 1 supports. The other end of the damping spring 47 is against a shoulder, a flange 48 or the like component of the outer sleeve 8. A movement of the outer sleeve 8 takes place consequently always take place against the force of the damping spring 47.
  • the damping spring 47 lies around a screw bolt 12, the End face is provided with an external thread, which in a fixed and rotatably arranged threaded nut 14 engages.
  • the head 16 of the bolt 12 lies on the flange or on the shoulder 48 of the outer sleeve 8 opposite the Front end of the damping spring 47.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Vibration Dampers (AREA)
  • Actuator (AREA)
  • Forging (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Hydraulic Turbines (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Claims (13)

  1. Pistolet de scellement à poudre avec
    1.1 un boítier (1), qui
    1.1.1 présente une poignée (4),
    1.2 un tube extérieur, (8) qui
    1.2.1 est disposé dans le boítier (1) et
    1.2.2 maintenu de manière mobile par rapport à ce dernier dans le sens longitudinal,
    1.3 un dispositif d'amortissement agissant entre le boítier (1 ) et le tube extérieur (8), ainsi qu'avec
    1.4 un tube intérieur (20) disposé dans le tube extérieur (8), qui
    1.4.1 présente le piston propulseur (23) et
    1.4.2 forme le guidage pour ce dernier.
  2. Pistolet de scellement à poudre selon la revendication 1, sur lequel le dispositif d'amortissement est disposé entre le tube extérieur (8) et le boítier (1) de sorte qu'un mouvement relatif entre les deux éléments peut avoir lieu.
  3. Pistolet de scellement à poudre selon la revendication 1 ou 2, sur lequel le dispositif d'amortissement présente au moins un élément à ressort précontraint.
  4. Pistolet de scellement à poudre selon la revendication 3, sur lequel l'élément à ressort, en particulier un ressort d'amortissement, prend appui avec sa première extrémité sur le boítier (1) dans une position fixe et est relié avec sa deuxième extrémité au tube extérieur (8) de manière à pouvoir se déplacer.
  5. Pistolet de scellement à poudre selon l'une des revendications précédentes, sur lequel l'énergie d'amortissement du dispositif d'amortissement est réglable.
  6. Pistolet de scellement à poudre selon l'une des revendications précédentes, sur lequel la course de déplacement du dispositif d'amortissement est réglable.
  7. Pistolet de scellement à poudre selon l'une des revendications 3 à 6, sur lequel l'élément à ressort est un ressort de compression (19).
  8. Pistolet de scellement à poudre selon la revendication 7, sur lequel le ressort de compression est un ressort de compression à gaz.
  9. Pistolet de scellement à poudre selon la revendication 7, sur lequel le ressort de compression (19) est un ressort de compression hélicoïdal disposé autour de la tige d'un élément en pointe qui limite le mouvement relatif entre le boítier (1 ) et le tube extérieur (8).
  10. Pistolet de scellement à poudre selon l'une des revendications précédentes, avec deux dispositifs d'amortissement ou plus.
  11. Pistolet de scellement à poudre selon la revendication 10, sur lequel les dispositifs d'amortissement sont répartis de manière uniforme sur la circonférence.
  12. Pistolet de scellement à poudre selon l'une des revendication 9 ou 10 à 11, si référence est faite à la revendication 9, sur lequel une douille (17) est disposée entre la tige de l'élément en pointe et le ressort (19).
  13. Pistolet de scellement à poudre selon l'une des revendications précédentes, sur lequel lors de l'interception du piston propulseur (23) la force de freinage est déviée et une impulsion antagoniste est exercée par l'intermédiaire d'un tampon (31) sur les masses en mouvement opposées.
EP99110258A 1998-05-30 1999-05-27 Outil de scellement de chevilles Expired - Lifetime EP0962289B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19824389A DE19824389A1 (de) 1998-05-30 1998-05-30 Bolzenschubgerät
DE19824389 1998-05-30

Publications (3)

Publication Number Publication Date
EP0962289A2 EP0962289A2 (fr) 1999-12-08
EP0962289A3 EP0962289A3 (fr) 2000-11-08
EP0962289B1 true EP0962289B1 (fr) 2004-03-03

Family

ID=7869511

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99110258A Expired - Lifetime EP0962289B1 (fr) 1998-05-30 1999-05-27 Outil de scellement de chevilles

Country Status (5)

Country Link
EP (1) EP0962289B1 (fr)
AT (1) ATE260738T1 (fr)
DE (2) DE19824389A1 (fr)
DK (1) DK0962289T3 (fr)
ES (1) ES2216374T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10056188B4 (de) * 2000-11-13 2013-05-23 Hilti Aktiengesellschaft Bolzensetzgerät mit Leistungsregelierung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1011819B (de) * 1953-02-17 1957-07-04 Goetzewerke Presslufthandhammer
US3301335A (en) * 1964-04-20 1967-01-31 Thomas E Snelling Energy absorbing structure
DE3119956C2 (de) * 1981-05-20 1984-11-22 Joh. Friedrich Behrens AG, 2070 Ahrensburg Schallgedämpftes Eintreibgerät für Befestigungsmittel
DE3830138C2 (de) * 1988-02-09 1997-07-17 Max Co Ltd Nagelmaschine
DE8915510U1 (de) 1989-03-22 1990-08-30 Kellner, Gerd, Dr.-Ing., 7230 Schramberg Bolzensetzgerät
GB2265106B (en) * 1992-03-18 1995-07-05 Max Co Ltd Air-pressure-operated impulsion mechanism
DE19509763A1 (de) * 1995-03-17 1996-09-19 Adolf Wuerth Gmbh & Co Kg Bolzensetzgerät

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10056188B4 (de) * 2000-11-13 2013-05-23 Hilti Aktiengesellschaft Bolzensetzgerät mit Leistungsregelierung

Also Published As

Publication number Publication date
ATE260738T1 (de) 2004-03-15
DE19824389A1 (de) 1999-12-02
ES2216374T3 (es) 2004-10-16
EP0962289A3 (fr) 2000-11-08
DE59908686D1 (de) 2004-04-08
EP0962289A2 (fr) 1999-12-08
DK0962289T3 (da) 2004-07-05

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