WO2003002308A1 - Druckmittelbetriebene austreibvorrichtung - Google Patents
Druckmittelbetriebene austreibvorrichtung Download PDFInfo
- Publication number
- WO2003002308A1 WO2003002308A1 PCT/EP2002/006657 EP0206657W WO03002308A1 WO 2003002308 A1 WO2003002308 A1 WO 2003002308A1 EP 0206657 W EP0206657 W EP 0206657W WO 03002308 A1 WO03002308 A1 WO 03002308A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- piston
- expulsion
- driving
- cylinder
- drive
- Prior art date
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
- B25C1/04—Hand-held nailing tools; Nail feeding devices operated by fluid pressure, e.g. by air pressure
Definitions
- the present invention relates to a pressure medium-driven expulsion device for expelling objects or fluid substances from a reservoir by means of a pressure piston which is pressurized with a pressure medium reservoir, which is exchangeably connected to a device body, for pressurizing the drive piston with pressure medium.
- a device of the type mentioned in the introduction as a striking device for driving in mechanical fasteners, such as staples, is known from EP 0 191 186 A2.
- a device body is provided with a pressure medium accumulator which is removably arranged thereon and which, triggered by a valve device, serves to pressurize a piston which is connected to an impact ram.
- the pressure medium reservoir is designed as a CO 2 cartridge, the filling pressure of which acts upon actuation of a triggering device on the piston connected to the percussion plunger, thereby causing the percussion plunger to advance.
- the present invention is therefore based on the object of making it possible to increase the expulsion frequency in the case of an expulsion device provided with an exchangeable pressure medium reservoir and thus operable independently of the network.
- the pressure medium is used both to carry out a feed movement and to carry out a restoring movement of the driving piston, so that a restoring movement that is significantly accelerated compared to a restoration actuated by hand is made possible. This results in significantly reduced cycle times for the resetting of the driving piston, so that overall a significant increase in the expulsion frequency is possible.
- a further increase in the effectiveness of the expulsion device can be achieved if the device body of the expulsion device has a from the pressure medium reservoir by means of a pressure reducing device has a pressure chamber for pressurizing the driving piston with a working pressure that is lower than the filling pressure of the pressure medium reservoir.
- the interposed arrangement of the pressure reducing device allows the filling pressure in the pressure medium reservoir to be increased to a multiple of the working pressure, so that a substantially increased operating time of the expulsion device is achieved before the pressure medium reservoir needs to be replaced.
- a triggering device is provided to trigger the pressure medium acting on the driving piston, which simultaneously serves to actuate a vent valve device for venting a driving cylinder receiving the driving piston, synchronization between the pressure medium application and the activation of the vent valve device is realized in a simple manner.
- vent valve device is coupled to the trigger device via a tappet device.
- the vent valve device is designed as a piston valve with a valve axis intersecting the drive cylinder axis.
- the design of the valve device as a piston valve enables very high number of operating cycles of the valve device.
- the arrangement of the valve device which intersects the drive cylinder axis enables a particularly effective and thus rapid ventilation of the drive cylinder via the cylinder base. If the drive piston of the drive cylinder also serves as a control piston for executing the pressure-actuated return movement of the drive piston in the drive cylinder, the functionally integrated effect of the drive piston makes it possible to construct a pressure-operated drive piston return with a particularly low outlay on mechanical parts.
- the drive cylinder is surrounded by an annular chamber in the area of its end of expulsion, with an inflow device arranged at a distance from the end cross section of the displacement of the drive cylinder and an opening arranged in the region of the end cross section and opening into the displacement Outflow device, the distance between the inflow device and the outflow device corresponding at least to the axial extension of the driving piston.
- the drive cylinder has a cylinder bottom with a tappet bushing for a drive tappet connected to the drive piston, with a radial sealing device arranged in the tappet bushing.
- This enables a largely pressure-tight sealing of the annular gap required for the relative movement of the driving tappet between the driving tappet and the tappet bushing, so that leakage flow through the annular gap can be largely prevented.
- the sealing device is arranged in the cylinder base, any configuration of the sealing seat is possible, regardless of the influencing of the driving tappet cross section.
- the expulsion device according to the invention for expelling objects, that is to say solids, or also fluid substances.
- the reservoir is designed as a magazine device for receiving mechanical fastening means and the driving plunger is used to impact a fastening means received in a shot channel arranged on the magazine device
- the expulsion device can be used in a particularly advantageous manner, for example, as a nailing device.
- the reservoir is designed as a liquid reservoir
- the driving plunger serves to pressurize a quantity of liquid received in a metering device arranged on the liquid reservoir.
- This amount of liquid can be, for example, a liquid dye which is expelled in a metered amount, for example to produce color dots. It is also possible to meter amounts of adhesive, for example to produce adhesive spots.
- Fig. 1 is a side view of the expulsion device with a drive piston / cylinder unit in part
- Section; 2 shows a control valve device interacting with the drive piston / cylinder unit in an enlarged representation
- FIG. 3 shows the drive piston / cylinder unit of the expulsion device shown in FIG. 1 with the stop position of the drive piston on the expulsion-side cylinder bottom;
- FIG. 4 shows the driving piston shown in FIG.
- the expulsion device 10 comprises a device body 11 with a handle part 12 and a drive piston / cylinder unit 13, a pressure medium accumulator 14 for receiving compressed gas on the handle part 12 and on the drive piston - / Cylinder unit 13 a reservoir designed here as a magazine device 15 is connected.
- the handle part 12 is detachably connected to the pressure medium reservoir 14 at its end facing away from the driving piston / cylinder unit 13 via a coupling device 16, which can be designed, for example, as a screw thread.
- a coupling device 16 which can be designed, for example, as a screw thread.
- a pressure chamber 18 which is separate from the pressure medium reservoir 14 via a pressure reducing device 17 is provided in the grip part 12.
- the filling valve device 19 Between the pressure chamber 18 and the drive piston / cylinder unit 13 there is a filling valve device 19 for the application of a Driving piston 20 of the driving piston / cylinder unit 13 is arranged with the working pressure when the filling valve device 19 is actuated by a trigger device 21.
- the filling valve device 19 has a sealing element 67 pretensioned in the valve opening direction by a valve spring 66, which is pressed against a valve opening 54 by a valve tappet 24 acted upon by a closing spring 71 for sealing purposes. As can be seen from FIG.
- a trigger lever 22 of the triggering device 21 is mechanically coupled to a valve piston 27 of a ventilation valve device 28 via a push rod 25 extending transversely to a valve axis 23 of the filling valve device 19 and a rocker arm 26 mounted in the handle part 12.
- the ventilation valve device 28 for opening or closing a ventilation opening 29 in a first cylinder base 30 of a drive cylinder 31 of the drive piston / cylinder unit 13 arranged adjacent to the ventilation valve device 28.
- the ventilation valve device 28 comprises a valve body 32 which is arranged between the ventilation opening 29 in the cylinder base 30 and a housing ventilation opening 33 such that a valve axis 64 of the ventilation valve device 28 intersects a drive cylinder axis 65 of the drive cylinder 31.
- the venting takes place via a valve bore 34 (FIG. 2) of the venting valve device 28 arranged in the venting path, the valve bore 34 simultaneously serving to receive the valve piston 27.
- a radial sealing device 35 arranged on the valve piston 27, here designed as an O-ring, in that the sealing device 35 by means of a corresponding axial movement into a coaxial with the valve piston 27 - ale valve bore 62 of the vent valve device 28 is moved in or out.
- a further radial sealing device 37 also embodied here as an O-ring, on a valve pin 36 of the valve piston 27, which, in cooperation with the first sealing device 35, forms an annular-gap-shaped sealing space 38, which is fluidly connected via a radial annular channel device 39 the vent opening 29 of the drive cylinder 31 is connected.
- the drive piston / cylinder unit 13 in which the drive piston / cylinder unit 13 is shown with two different axial positions of the drive piston 20, the drive piston / cylinder unit 13 has the drive cylinder 31 inserted in a housing 40 and the axially in the drive cylinder 31 displaceable drive piston 20.
- an annular chamber 42 is formed in the area of an expeller 41 of the drive piston / cylinder unit 13, which is provided via a first annular channel device 43 provided as an inflow device and axially spaced from the annular channel device 43 via a second annular channel device designed as an outflow device 44 is connected to a cubic capacity or lumen 45 of the drive cylinder 31.
- annular channel device 43 is provided on the outer wall of the drive cylinder 31 with an annular groove 69 in which an O-ring seal 70 is arranged in an elastically prestressed manner.
- the axial distance between the ring channel devices 43 and 44 is selected such that it is at least slightly larger than the axial dimension of the driving piston 20.
- the driving piston 20 is designed as a sleeve, into which a driving plunger 46 with a screw-in end 47 is screwed.
- a locking pin 48 serves to prevent rotation between the screw-in end 47 of the driving plunger 46 and the driving piston 20.
- a second cylinder base 49 is arranged, which is provided with a plunger passage 50, into which the drive plunger 46 engages with a sealing collar 51 when the drive piston 20 is positioned in the region of the drive-out end 41.
- a radial sealing device 63 here designed as an O-ring, is provided in the plunger bushing 50, which sealingly rests on the driving plunger 46 in the axial positions of the driving piston shown in FIGS. 3 and 4. to
- the cylinder bases 30 and 49 are made of an elastomer material.
- the trigger lever 22 is actuated, so that the push rod 25 is moved against the rocker arm 26, which in turn acts on a push rod end 55 of the valve piston 27 of the vent valve device 28 and against the action of a return spring 56 (Fig. 2) the valve piston 27 is axially advanced for the sealing closure of the vent opening 29.
- a return spring 56 Fig. 2
- the drive piston together with the drive tappet 46 arranged thereon is axially accelerated up to the stop against the cylinder base 49 arranged at the expeller end 41 (FIGS. 4 and 5). Since the driver contact between the driver pawl 52 and the annular bead 53 on the valve tappet 24 of the filling valve device 19 is designed such that there is a rolling contact between the driver pawl 52 and the annular bead 53 when the trigger lever 22 is actuated, the trigger lever 22 is reached after a defined lever travel the annular bead captured by the driver pawl 52 is released again and the valve opening 54 of the pressure chamber 18 is closed again by means of the valve tappet 24 actuated by the closing spring.
- the drive plunger 46 applies a blow to a steel pin 58, which is arranged in a shot channel 59 at the lower end of the magazine device 15, which pushes the steel pin 58, which is isolated in the shot channel 59, out of the shot channel 59 and into a material which may be arranged in front of the shot channel drives into it.
- the sealing device 63 arranged in the tappet bushing 50 largely prevents leakage from the annular gap 60 when the drive piston 20 is pressurized in order to carry out a resetting movement.
- the distance between the annular channel device 43 serving as the inflow device and the cylinder bottom 49 is greater than the axial dimension of the Driving piston 20 selected.
- the drive piston 20 cannot abut against the cylinder base 49 due to excessive material resistance when driving a steel pin 58 arranged in the firing channel 59 into a material, for example caused by a branch area in a board to be nailed. LIST OF REFERENCE NUMBERS
- Expelling device 45 displacement device body 46 driving tappet handle 47 screwing in driving piston / cylinder unit 48 locking pin pressure medium reservoir 49 cylinder base magazine device 50 tappet passage coupling device 51 sealing collar pressure reducing device 52 driving pawl pressure chamber 53 ring bulge filling valve device 54 valve opening driving piston 55 tappet triggering device 56 wrench release valve 59 return spring steel release valve lever 57 Annular gap rocker arm 61 Return spring valve piston 62 Valve bore Vent valve device 63 Sealing device Vent hole 64 Valve axis Cylinder bottom 65 Driving cylinder axis Driving cylinder 66 Valve spring Valve body 67 Sealing element Housing vent opening 68 Ring channel seal Valve bore 69 Radial groove sealing device 70 O-ring seal Sealing pin 71 Closing spring sealing device Sealing chamber Ring channel device Expelling ring chamber ring channel device ring channel device
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Reciprocating Pumps (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/362,952 US6845896B2 (en) | 2001-06-28 | 2002-06-17 | Expulsion device actuated by a pressure medium |
EP02747401A EP1399297B1 (de) | 2001-06-28 | 2002-06-17 | Druckmittelbetriebene austreibvorrichtung |
JP2003508527A JP2004520959A (ja) | 2001-06-28 | 2002-06-17 | 圧力媒体駆動式の突き出し装置 |
DE50212965T DE50212965D1 (de) | 2001-06-28 | 2002-06-17 | Druckmittelbetriebene austreibvorrichtung |
KR1020037003052A KR100578517B1 (ko) | 2001-06-28 | 2002-06-17 | 가압매질에 의해 작동하는 방출장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20110754U DE20110754U1 (de) | 2001-06-28 | 2001-06-28 | Netzunabhängiges Eintreibgerät für Befestigungsmittel |
DE20110754.6 | 2001-06-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003002308A1 true WO2003002308A1 (de) | 2003-01-09 |
Family
ID=7958681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2002/006657 WO2003002308A1 (de) | 2001-06-28 | 2002-06-17 | Druckmittelbetriebene austreibvorrichtung |
Country Status (10)
Country | Link |
---|---|
US (1) | US6845896B2 (de) |
EP (1) | EP1399297B1 (de) |
JP (1) | JP2004520959A (de) |
KR (1) | KR100578517B1 (de) |
CN (1) | CN1290671C (de) |
AT (1) | ATE412493T1 (de) |
DE (2) | DE20110754U1 (de) |
ES (1) | ES2314072T3 (de) |
TW (1) | TWI253970B (de) |
WO (1) | WO2003002308A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006092161A1 (de) | 2005-03-03 | 2006-09-08 | Prebena Wilfried Bornemann Gmbh & Co. Kg | Druckmittelbetriebene austreibvorrichtung |
US7845532B2 (en) | 2006-11-09 | 2010-12-07 | Stanley Fastening Systems, L.P. | Cordless fastener driving device |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100445043C (zh) * | 2002-01-04 | 2008-12-24 | 伊利诺斯器械工程公司 | 带压缩动力源的紧固件驱动工具 |
US6786379B2 (en) * | 2002-01-04 | 2004-09-07 | Ilinois Tool Works Inc. | Fastener driving tool having pressurized power source |
WO2006119665A1 (en) * | 2005-05-08 | 2006-11-16 | Shenzhen Yuanheng Electromagnetic Technologies Co., Ltd. | A nailing machine driven by liquid pressurized gas |
KR101038486B1 (ko) * | 2008-09-03 | 2011-06-01 | 쌍용건설 주식회사 | 패커를 이용한 비굴착식 하수관로 보수 장치 및 방법 |
DE102008051349B3 (de) * | 2008-10-15 | 2009-11-12 | Vat Holding Ag | Vakuumventil |
CN102271874A (zh) | 2008-12-24 | 2011-12-07 | 全球力量Ip有限公司 | 汽化系统 |
US9615816B2 (en) * | 2013-03-15 | 2017-04-11 | Vidacare LLC | Drivers and drive systems |
WO2015143762A1 (en) | 2014-03-27 | 2015-10-01 | Techtronic Power Tools Technology Limited | Powered fastener driver and operating method thereof |
US20170221085A1 (en) * | 2016-02-01 | 2017-08-03 | Mastercard International Incorporated | Systems and methods for creating an options program using payment transactions performed within a geographic sector |
CA2985043C (en) | 2016-11-09 | 2023-03-14 | Tti (Macao Commercial Offshore) Limited | Cylinder assembly for gas spring fastener driver |
US11110577B2 (en) | 2017-11-16 | 2021-09-07 | Milwaukee Electric Tool Corporation | Pneumatic fastener driver |
CN108723261B (zh) * | 2018-07-10 | 2023-08-18 | 山东交通学院 | 双交叉扭丝网片联接机 |
DE102021101295A1 (de) | 2021-01-21 | 2022-07-21 | Hans Haug | Universelle Antriebsvorrichtung |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3309226A1 (de) * | 1983-03-15 | 1984-09-20 | Hilti Ag, Schaan | Druckluftnagler |
EP0191186A2 (de) * | 1985-01-30 | 1986-08-20 | Robert Bosch Gmbh | Druckmittelbetriebenes Schlaggerät |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3583496A (en) * | 1969-02-19 | 1971-06-08 | Behrens Friedrich Joh | Compressed air-operated drive-in apparatus to drive-in fastening means such as nails, staples or the like |
US3850079A (en) * | 1970-07-30 | 1974-11-26 | Behrens J | Compressed air-operated drive-in apparatus |
US3871566A (en) * | 1972-07-25 | 1975-03-18 | Behrens Friedrich Joh | Fastener driver tools |
US3815475A (en) * | 1972-11-20 | 1974-06-11 | Signode Corp | Fastener driving tool with improved piston return |
DE2946387C2 (de) * | 1979-11-16 | 1986-04-10 | Signode Corp., Glenview, Ill. | Pneumatisches betätigbares Eintreibwerkzeug |
GB2265106B (en) * | 1992-03-18 | 1995-07-05 | Max Co Ltd | Air-pressure-operated impulsion mechanism |
-
2001
- 2001-06-28 DE DE20110754U patent/DE20110754U1/de not_active Expired - Lifetime
-
2002
- 2002-06-17 DE DE50212965T patent/DE50212965D1/de not_active Expired - Lifetime
- 2002-06-17 US US10/362,952 patent/US6845896B2/en not_active Expired - Lifetime
- 2002-06-17 ES ES02747401T patent/ES2314072T3/es not_active Expired - Lifetime
- 2002-06-17 WO PCT/EP2002/006657 patent/WO2003002308A1/de active IP Right Grant
- 2002-06-17 JP JP2003508527A patent/JP2004520959A/ja active Pending
- 2002-06-17 CN CNB028025334A patent/CN1290671C/zh not_active Expired - Lifetime
- 2002-06-17 KR KR1020037003052A patent/KR100578517B1/ko active IP Right Grant
- 2002-06-17 EP EP02747401A patent/EP1399297B1/de not_active Expired - Lifetime
- 2002-06-17 AT AT02747401T patent/ATE412493T1/de active
- 2002-06-25 TW TW091113844A patent/TWI253970B/zh not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3309226A1 (de) * | 1983-03-15 | 1984-09-20 | Hilti Ag, Schaan | Druckluftnagler |
EP0191186A2 (de) * | 1985-01-30 | 1986-08-20 | Robert Bosch Gmbh | Druckmittelbetriebenes Schlaggerät |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006092161A1 (de) | 2005-03-03 | 2006-09-08 | Prebena Wilfried Bornemann Gmbh & Co. Kg | Druckmittelbetriebene austreibvorrichtung |
US7845532B2 (en) | 2006-11-09 | 2010-12-07 | Stanley Fastening Systems, L.P. | Cordless fastener driving device |
Also Published As
Publication number | Publication date |
---|---|
KR20040014994A (ko) | 2004-02-18 |
DE20110754U1 (de) | 2001-10-18 |
KR100578517B1 (ko) | 2006-05-12 |
US6845896B2 (en) | 2005-01-25 |
ATE412493T1 (de) | 2008-11-15 |
EP1399297A1 (de) | 2004-03-24 |
TWI253970B (en) | 2006-05-01 |
DE50212965D1 (de) | 2008-12-11 |
CN1290671C (zh) | 2006-12-20 |
CN1464820A (zh) | 2003-12-31 |
EP1399297B1 (de) | 2008-10-29 |
US20030173393A1 (en) | 2003-09-18 |
ES2314072T3 (es) | 2009-03-16 |
JP2004520959A (ja) | 2004-07-15 |
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