DE2224016B1 - RELEASE DEVICE ON A PNEUMATIC NAILER - Google Patents
RELEASE DEVICE ON A PNEUMATIC NAILERInfo
- Publication number
- DE2224016B1 DE2224016B1 DE19722224016 DE2224016A DE2224016B1 DE 2224016 B1 DE2224016 B1 DE 2224016B1 DE 19722224016 DE19722224016 DE 19722224016 DE 2224016 A DE2224016 A DE 2224016A DE 2224016 B1 DE2224016 B1 DE 2224016B1
- Authority
- DE
- Germany
- Prior art keywords
- release
- compressed air
- valve
- attachment part
- working
- 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
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
- B25C1/008—Safety devices
-
- 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
- B25C1/04—Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure
- B25C1/041—Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure with fixed main cylinder
- B25C1/043—Trigger valve and trigger mechanism
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Dovetailed Work, And Nailing Machines And Stapling Machines For Wood (AREA)
Description
3 43 4
ein Kugelwechselventil 10 betätigt, das über ein Rohr stellung gehalten wird. Die Betätigung allein des 11 mit dem Einlaßventil 12 des Arbeitszylinders 4 in Auslösehebels 26 (Fig. 2) führt zur Abdichtung des Verbindung steht. In der in Fig. 1 gezeichneten obe- oberen Teils des Auslöseventils 14 und zur Entlüfren Endstellung ist das Einlaßventil 12 geschlossen, tung der Bohrung 24, so daß sich die Kugel 27 ab- und der Kolben 5 befindet sich in seiner Ausgangs- 5 dichtend vor die Mündung der Bohrung 24 setzen stellung, in der er an dem Gehäusedeckel 13 anliegt. kann. Nach wie vor kann Druckluft aus dem Druck-Symmetrisch zu beiden Seiten des Kugelwechselven- luftvorratsraum 3 über das Auslöseventil 15, die tils 10 sind Auslöseventile 14 und 15 angeordnet. Bohrung 25, das Kugelwechselventil und die Boh-Das Auslöseventil 14 ist durch den Auslösehebel 26, rung 11, das Einlaßventil 12 beaufschlagen, welches das Auslöseventil 15 durch das Aufsetzteil 32 betä- ίο nach wie vor in Schließstellung verharrt. Die gleiche tigbar. Die Auslöseventile 14 und 15 sind in Form Wirkung wird erreicht, wenn statt des Auslösehebels von Hilfskolben 16 und 17 mit jeweils zwei mit Ab- 26 nur das Auf setzteil 32 betätigt wird (Fig. 3). Gestand zueinander angeordneten Dichtringen 18, 19, währleistet wird dies durch die völlig symmetrische 20, 21 ausgeführt. An den in den Druckluftvorrats- Ausbildung und Anordnung der Auslöseventile zum raum reichenden Enden sind die Hilfskolben 16 und 15 Kugelwechselventil 10.actuated a ball exchange valve 10, which is held position via a pipe. The operation of the 11 with the inlet valve 12 of the working cylinder 4 in the release lever 26 (Fig. 2) leads to the sealing of the Connection. In the upper-upper part of the release valve 14 shown in FIG. 1 and for venting In the end position, the inlet valve 12 is closed, direction of the bore 24, so that the ball 27 is and the piston 5 is located in its outlet 5 sealingly in front of the mouth of the bore 24 position in which it rests on the housing cover 13. can. As before, compressed air from the pressure-symmetrical on both sides of the ball exchange valve air reservoir 3 via the release valve 15, the tils 10 release valves 14 and 15 are arranged. Hole 25, the ball exchange valve and the Boh-Das Release valve 14 is activated by the release lever 26, tion 11, the inlet valve 12, which the release valve 15 actuated by the attachment part 32 remains in the closed position as before. The same practicable. The release valves 14 and 15 are in the form of action is achieved when instead of the release lever of auxiliary pistons 16 and 17, each with two with Ab- 26, only the attachment part 32 is actuated (Fig. 3). Confessed mutually arranged sealing rings 18, 19, this is ensured by the completely symmetrical 20, 21 executed. At the in the compressed air supply training and arrangement of the release valves for The space-reaching ends are the auxiliary pistons 16 and 15 of the shuttle valve 10.
17 mit Anschlägen 22 und 23 zur Sicherung gegen Sobald jedoch außer dem Auslösehebel 26 auch ein zu weites Verschieben versehen. Über Kanäle 24 das Aufsetzteil 32 z. B. durch Aufsetzen des Druck- und 25 sind die Auslöseventile 14 und 15 mit dem luftnaglers auf ein Werkstück betätigt wird, F i g. 4, Kugelwechselventil verbunden. Die Kugel als Schalt- wird die weitere Zufuhr von Druckluft aus dem element des Kugelwechselventils 10 ist mit 27 be- 20 Druckluftvorratsraum 3 zum Kugelwechselventil unzeichnet. terbrochen. Gleichzeitig werden die Bohrungen 24 Die Wirkungsweise der Erfindung ist folgende: In und 25 entlüftet, da die Dichtungsringe 19 und 21 der Grundstellung bei Nichtbetätigung sowohl des durch das Verschieben der Kolben 16 und 17 nach Auslösehebels 26 als auch des Aufsetzteils 32 wer- oben einen genügenden Öffnungsquerschnitt zur den die Kolben 16 und 17 der Auslöseventile 14 und 25 Außenluft freigeben. Da eine unmittelbare Verbin-15 durch den Druck im Druckluftvorratsraum 3 nach dung zwischen den Bohrungen 24 und 25 über das unten gedruckt. Die Dichtringe 19 bzw. 21 verhin- Rohr 11 zur Oberseite des Einlaßventils 12 besteht, dem einen Durchtritt der aus dem Druckluftvorrats- wird das Einlaßventil 12 entlastet, und die im Druckraum 3 an den Kolben 16 und 17 vorbei und über die luftvorratsraum 3 befindliche Druckluft kann das Bohrungen 24 und 25 in das Kugelwechselventil 30 Einlaßventil 12 nach oben schieben und den Arbeitsströmenden Druckluft nach außen in die Umge- kolben 5 beaufschlagen.17 with stops 22 and 23 to secure against As soon as, however, apart from the release lever 26, too move too far. Via channels 24 the attachment part 32 z. B. by placing the pressure and 25 are the release valves 14 and 15 with which the air nailer is operated on a workpiece, FIG. 4, Ball exchange valve connected. The ball as a switching device is the further supply of compressed air from the The element of the ball exchange valve 10 is undrawn with 27 and 20 compressed air reservoir 3 to the ball exchange valve. broken. At the same time, the bores 24 The mode of operation of the invention is as follows: In and 25 are vented because the sealing rings 19 and 21 the basic position when not actuated both by moving the pistons 16 and 17 The release lever 26 as well as the attachment part 32 have a sufficient opening cross-section at the top which the pistons 16 and 17 of the release valves 14 and 25 release outside air. As a direct connection by the pressure in the compressed air reservoir 3 after training between the bores 24 and 25 via the printed below. The sealing rings 19 and 21 prevent pipe 11 to the top of the inlet valve 12, the inlet valve 12 is relieved of pressure from one passage from the compressed air supply, and the one in the pressure chamber 3 past the pistons 16 and 17 and via the air reservoir 3 located compressed air can Bores 24 and 25 in the ball shuttle valve 30 push the inlet valve 12 up and the working end Apply compressed air to the outside into the piston 5.
bungsluft. Die Kugel 27 wird dadurch gegen das un- Die Kugel 27 hat kurz innerhalb des Kugelwechtere Ende des den Druckluftraum 3 durchsetzenden selventils 10 nur sehr kurze Schaltwege zurückzule-Rohres 11 gepreßt. Durch die im unteren Ende des gen, so daß die Schaltzeiten so kurz sind, daß prak-Rohres 11 befindlichen Schlitze vermag die Druck- 35 tisch beim Aufsetzen eines Druckluftnaglers mit geluft jedoch in das Rohr 11 und auf die Oberseite des zogenem Auslösehebel 26 auf das Werkstück der Ar-Einlaßventils 12 zu gelangen, das damit in Schließ- beitshub erfolgt.practice air. The ball 27 is thereby against the un- The ball 27 has briefly inside the Kugelwechtere The end of the selventil 10 penetrating the compressed air space 3 only very short switching paths zurückzule-Rohr 11 pressed. By in the lower end of the gene, so that the switching times are so short that prak tube 11 located slots can the pressure table 35 when a pneumatic nailer is placed with air however, into the tube 11 and on top of the pulled release lever 26 onto the workpiece of the Ar inlet valve 12, which takes place in the closing stroke.
Hierzu 2 Blatt ZeichnungenFor this purpose 2 sheets of drawings
Claims (3)
stück ragenden Aufsetzteil, durch welches gemein- In der Zeichnung ist ein Ausführungsbeispiel desThe invention relates to a trigger safety device on nailers on the workpiece, the working stroke is triggered by a pneumatic nailer with one that can be operated in the attachment direction 40, provided that the trigger lever has previously been brought into a displaceable, retired, mouth trigger position,
piece protruding attachment part, through which common- In the drawing is an embodiment of the
steuerbar ist. 45 Fig. 1 die Seitenansicht eines Druckluftnaglers insam with a release lever in the working position the subject of the invention schematically visualize movement of an inlet valve on the working cylinder light. It shows
is controllable. 45 Fig. 1 shows the side view of a pneumatic nailer in
naglern in Form mechanisch verschiebbarer Hebel, Fig.2 die Auslösesicherung mit dem Auslösehe-Release safeguards on compressed air in the non-use position are known, partly in section,
nailing in the form of mechanically displaceable levers, Fig. 2 the release safety device with the release lever
ten machen den Einsatz solcher Auslösesicherungen F i g. 3 die Darstellung gemäß F i g. 2 mit demwhich are mutually supported. Manufacturing accuracy in the position of use on a larger scale,
ten make the use of such trip locks F i g. 3 shows the illustration according to FIG. 2 with the
und möglichst ohne Verzögerung arbeiten muß. Fer- Fig. 4 eine Darstellung der Auslösesperre gemäßproblematic, since a release safety device is very precisely 50 attachment part in the position of use,
and has to work as quickly as possible. Fer- Fig. 4 shows the trip lock according to
brauchslage des Aufsetzteils und/oder des Auslöse- Der Arbeitshub des Druckluftnaglers wird durchAlso known are valves 1 connected in series, for example, made of light metal and having tiles which step-like clearing the path for the compressed air, a handle 2 that connects or blocks one to a compressed air source. Trigger safety devices of this type are 60 connected compressed air storage space 3 encloses, technically very complex and do not achieve the short switching cylinder 4 necessary for a fast working device, in which a piston 5 is displaced. Is known, among other things, from the USA. Patent bar is led. The piston 5 drives a plunger 6, in writing 3 490 545, a release lock, in which a clip on the working stroke separates and forms a clip from a clip rod inserted into an auxiliary piston, the upper extension of the attachment part 65 magazine 7, and via a two-armed angle lever with an im Mouthpieces provided discharge channel9 is coupled to a pilot valve, which drives in the not in a workpiece not shown,
position of the attachment and / or the release The working stroke of the pneumatic nailer is through
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2224016A DE2224016C2 (en) | 1972-05-17 | 1972-05-17 | Release protection on a pneumatic nailer |
GB2233973A GB1393824A (en) | 1972-05-17 | 1973-05-10 | Stapler release safety mechanism |
US360160A US3929056A (en) | 1972-05-17 | 1973-05-14 | Stapler release safety mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2224016A DE2224016C2 (en) | 1972-05-17 | 1972-05-17 | Release protection on a pneumatic nailer |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2224016B1 true DE2224016B1 (en) | 1973-08-23 |
DE2224016C2 DE2224016C2 (en) | 1974-03-28 |
Family
ID=5845120
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2224016A Expired DE2224016C2 (en) | 1972-05-17 | 1972-05-17 | Release protection on a pneumatic nailer |
Country Status (3)
Country | Link |
---|---|
US (1) | US3929056A (en) |
DE (1) | DE2224016C2 (en) |
GB (1) | GB1393824A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045994A (en) * | 1975-02-21 | 1977-09-06 | Marson Fastener Corporation | Compressed air rivet setting tool |
DE2814262A1 (en) | 1978-04-03 | 1979-10-18 | Basf Ag | SHELL CATALYSTS AND THE METHOD OF MANUFACTURING THEM |
US4284223A (en) * | 1979-09-24 | 1981-08-18 | Salcido Albert R | Device for stapling material on ceilings |
DE3308915A1 (en) * | 1983-03-12 | 1984-09-13 | Alfred Honsel Nieten - und Metallwarenfabrik GmbH & Co, 5758 Fröndenberg | BLIND RIVETING TOOL TO SET THREAD NUTS |
CZ295112B6 (en) * | 1999-05-25 | 2005-05-18 | Ms Nářadí, S. R. O. | Device for controlling movement of riveting tool pulling member |
US6926186B2 (en) * | 2002-07-22 | 2005-08-09 | North American Green, Inc. | Fastener insertion device |
TW200740572A (en) * | 2006-04-17 | 2007-11-01 | Samson Power Tool Co Ltd | Serial switch structure for nail gun |
JP5429512B2 (en) * | 2008-01-31 | 2014-02-26 | 日立工機株式会社 | Driving machine |
US20110180581A1 (en) * | 2010-01-24 | 2011-07-28 | De Poan Pneumatic Corp. | Resetting and Driving Mechanism for Nail Driving Rod in Pneumatic Nailer having Embedded Air Compressor |
JP2014028422A (en) * | 2012-07-31 | 2014-02-13 | Hitachi Koki Co Ltd | Driving machine |
EP3446833B1 (en) * | 2017-08-23 | 2020-04-15 | Joh. Friedrich Behrens AG | Pneumatic nail gun with safety valve assembly |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1298057B (en) * | 1964-04-25 | 1969-06-19 | Reich Maschf Gmbh Karl | Valve arrangement for the supply of compressed air to a pneumatic nailer |
US3278103A (en) * | 1965-04-06 | 1966-10-11 | Senco Products | Fastener applying device |
US3287955A (en) * | 1965-04-20 | 1966-11-29 | Winslow Product Engineering Co | Tool for setting rings |
DE1603712C3 (en) * | 1966-04-02 | 1975-08-07 | Senco Products, Inc., Cincinnati, Ohio (V.St.A.) | Control device for the pneumatically operated LufteinlaBventil of a pneumatic hammering device for nails, staples or the like |
US3375758A (en) * | 1966-09-13 | 1968-04-02 | Fastener Corp | Fastener driving tool |
DE1301767B (en) * | 1967-01-28 | 1969-08-21 | Behrens Friedrich Joh | Ventilation device for the cylinder space on the foot side of a compressed air operated piston drive for stapling or nailing devices |
DE1603829A1 (en) * | 1967-02-24 | 1971-06-16 | Dieter Haubold Ind Nagelgeraet | Trigger lock for a hand tool operated with compressed air for driving in fasteners |
US3498517A (en) * | 1967-04-21 | 1970-03-03 | Fastener Corp | Fastener driving tool |
GB1226837A (en) * | 1967-07-13 | 1971-03-31 | ||
US3552274A (en) * | 1968-05-27 | 1971-01-05 | Signode Corp | Pneumatic piston return system for impact tools |
US3563438A (en) * | 1968-12-05 | 1971-02-16 | Fastener Corp | Fastener driving tool |
DE1908085A1 (en) * | 1969-02-18 | 1970-11-05 | Dieter Haubold Ind Nagelgeraet | Impact device operated with compressed air, especially for driving in fasteners |
US3638532A (en) * | 1969-06-30 | 1972-02-01 | Fastener Corp | Fastener driving tool |
US3653299A (en) * | 1970-05-11 | 1972-04-04 | Signode Corp | Pneumatic piston return system and valve assembly for impact tools |
US3685396A (en) * | 1970-06-15 | 1972-08-22 | Fastener Corp | Fastener driving tool |
US3677456A (en) * | 1970-07-15 | 1972-07-18 | Fastener Corp | Safety for fastener driving tool |
-
1972
- 1972-05-17 DE DE2224016A patent/DE2224016C2/en not_active Expired
-
1973
- 1973-05-10 GB GB2233973A patent/GB1393824A/en not_active Expired
- 1973-05-14 US US360160A patent/US3929056A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB1393824A (en) | 1975-05-14 |
US3929056A (en) | 1975-12-30 |
DE2224016C2 (en) | 1974-03-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |