EP1088627A2 - Bolzensetzgerät zum Eintreiben von Bolzen oder dgl. in Bauteile - Google Patents
Bolzensetzgerät zum Eintreiben von Bolzen oder dgl. in Bauteile Download PDFInfo
- Publication number
- EP1088627A2 EP1088627A2 EP00810868A EP00810868A EP1088627A2 EP 1088627 A2 EP1088627 A2 EP 1088627A2 EP 00810868 A EP00810868 A EP 00810868A EP 00810868 A EP00810868 A EP 00810868A EP 1088627 A2 EP1088627 A2 EP 1088627A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- bolt
- buffer element
- sealing rings
- pressure piece
- receiving space
- 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
Images
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
Definitions
- the invention relates to a bolt-driving tool for driving bolts or the like into components with an interception device for the driving piston according to the preamble of Claim 1.
- bolt setting devices are often included intermediate driving piston used.
- the one required for the collection work Energy is generated, for example, from a powder charge in a cartridge won.
- the primary energy of the ignited powder charge is called kinetic energy of the driving piston, which finally pushes the bolt into the ground.
- kinetic energy of the driving piston At only a partial utilization of the kinetic energy of the driving piston is required Excess energy can be intercepted without damaging the driving parts. Since components are known to have very different strengths, must be used when using fasteners with a relatively high energy surplus be counted.
- the sudden impact caused by energy degradation the driving piston and the components of the piston that interact with the piston Device can lead to significant device malfunctions, which adversely affect the Impact of the tool setting tool.
- the excess energy is dissipated outside the device.
- the driving piston emerges from the barrel mouth of the device emerge and with the component into which the bolt is to be driven in Active connection can occur.
- the driving piston therefore performs one outside the bolt-setting tool Deformation work. This constructive measure will be within the Device arranged starting shoulders and the like. Less stressed. For that it loses Bolt gun but its advantage, regardless of the strength properties of a Component, always to achieve a uniform penetration depth of the set bolts. Rather, the opposite is the case, and the bolts are depending on the strength of the Component driven deeper or less deep into the component. With a soft component this can result in the driven bolt even passing through the back of the Component emerges again.
- a second category of bolt-operated tools provides for the excess energy in the Dismantle the interior, between the elements of the bolt gun itself. This happens for example with the help of plastically or elastically deformable components that between two device parts movable relative to each other are arranged.
- DE-A-1 478 838 discloses a bolt-setting tool at the one between the driving piston and a pin guide with the driving piston in A sleeve-shaped pressure piece that can be brought into an active connection and an elastic one Buffer element are arranged, the remaining excess energy of the driving piston absorbed during a setting process.
- the pressure piece has a stepped Outside diameter and protrudes into a mounting hole in the bolt guide.
- the Buffer element is on the smaller diameter extension of the outside diameter stepped pressure piece stored and is supported against the setting direction of a shoulder of the pressure piece and in the setting direction on an annular counter surface of the Bolt guide from. So that the pressure piece is movable relative to the pin guide, there is a massive game between the two moving parts. Get lost Annular gaps between the pressure piece on both axial sides of the buffer element and the bolt guide. When compressing the buffer element, this can be in the annular gaps between the inner wall of the bolt guide and the outer wall of the pressure piece. This can jam the movable Guide parts and cause failure of the fastener driving tool.
- the object of the present invention is therefore to provide a setting tool of the generic type to be improved so that jamming of the moving parts is prevented.
- the principle of energy dissipation within the device should be maintained can.
- the constructive elements should be simple and possibly also one Allow retrofitting of existing setting tools of the generic type.
- the solution to these tasks consists in a bolt-setting tool with the characteristic in Features of claim 1.
- Advantageous versions and / or further developments of the invention are the subject of the dependent Claims.
- the bolt-setting tool for driving bolts or the like into components comprises a bolt guide and an axially displaceable Driving pistons, between which an operable connection can be made with the driving piston, sleeve-shaped pressure piece is arranged.
- the pressure piece protrudes into a receiving space the bolt guide protrudes and has a smaller diameter extending in the setting direction cylindrical extension on which at least one elastic buffer element is arranged, which extends between two sealing rings.
- first sealing ring between an annular stop surface of the pressure piece and one against the End face of the buffer element facing the setting direction and radially resilient biased against the inner wall of the receiving space of the bolt guide.
- the second sealing ring is between an annular stop surface of the bolt guide and an end face of the buffer element facing in the setting direction and arranged radially resiliently biased against the lateral surface of the cylindrical extension of the pressure piece.
- the mutually movable parts have the Thrust piece and the receiving space of the bolt guide, a massive game.
- sealing rings are provided on both axial sides of the buffer element, that the sealing ring in the gaps between the Thrust piece and the inner wall of the receiving space or between the cylindrical Extension of the pressure piece and the inner wall of the bolt guide is clamped.
- the between the annular stop surface of the pressure piece and the opposite of In this case, the end ring of the buffer element facing the setting direction is arranged radially resiliently biased against the inner wall of the receiving space of the bolt guide and closes the gap between the pressure piece and the inner wall of the Recording room.
- the second sealing ring is between the annular stop surface Bolt guide and the end face of the buffer element pointing in the setting direction and radially resilient against the lateral surface of the cylindrical extension of the Pressure piece preloaded. In this way there is also the annular gap between the lateral surface of the extension and the inner surface of the bolt guide closed.
- the sealing system with two sealing rings is self-sealing, because the high occurring during operation Internal pressures support the radial sealing forces with which the outer surface of the first Sealing ring against the inner wall of the receiving space or the inner surface of the second sealing ring is pressed against the outer surface of the extension. Through the two Sealing rings will jam the parts which are movable relative to one another and in particular Pinching and damage to the buffer element due to the massive Prevents existing ring gaps.
- the sealing rings are simple in their construction and make it possible to also use existing bolt-actuators of the generic type Way of retrofitting.
- the sealing rings are advantageous as resilient multi-disc sealing rings trained with external or internal tensioning effect. This makes possible especially with retrofit kits, an adaptation to the existing design Conditions and compensation for any axial play that may exist.
- the sealing rings must meet the internal pressures and temperatures that occur during operation withstand and the required radial external or internal clamping function exhibit.
- the sealing rings are particularly easy and inexpensive to manufacture a spring steel.
- the sealing rings are an advantage on the stop surfaces of the pressure piece or the bolt guide or on the end faces attached to the buffer element.
- the buffer element is advantageously in one piece, sleeve-shaped. It has an outer diameter at least in some areas on, which is smaller than the inner diameter of the receiving space Pin guide so that it radially expands in the desired manner when compressed can to reduce the excess energy.
- sealing rings are firmly attached to the end faces of the buffer element connected, for example glued or vulcanized.
- the sealing rings and the buffer element form a one-piece component that is easy to store and is mountable.
- Fig. 1 shows a longitudinal section of an overall view of a bolt gun 1 of the State of the art.
- Fig. 2 a portion of the device 1 is shown in longitudinal section.
- the bolt gun 1 has a trigger device 2 and a barrel section 3.
- the triggering device 2 is based on the example of a powdered one housed in cartridges Propellable charge operable device shown and has a known per se Structure on, as described for example in DE-A-1 478 838.
- the Tripping device is only given as an example and can also be a modified one have constructive structure, for example around the device with liquid or gaseous To be able to operate energy sources. According to the type of trigger device is of no further relevance for the understanding of the invention a description of the details of the trigger device 2 is omitted.
- the barrel section 3 includes in particular a guide tube 4 for a driving piston 9, which in through the triggering device Direction of the mouth of the barrel section 3 is accelerated.
- a pin guide 5 which for receiving one in the Bolt to be driven underground or the like.
- a sleeve-shaped pressure piece 7 is arranged, which is supported on the bolt guide 5 via an elastic buffer element 10.
- the sleeve-shaped Pressure piece 7 is stepped in the outer diameter and has an axial protruding, smaller diameter, cylindrical extension 8, which in a receiving space 6 protrudes at the entrance to the pin guide 5.
- the head of the driving piston strikes 9 on the pressure piece 7, which is thereby displaced in the setting direction S.
- the Excess energy of the drive piston 9 is from that between the pressure piece 7 and the bolt guide 5 arranged buffer element 10, which is axially is compressed.
- the outside diameter of the buffer element 10 is at least in some areas smaller than the inside diameter of the receiving space 6.
- the created thereby Annular gap A enables the axially compressed buffer element 10 to expand radially. So that a perfect displacement of the pressure piece 7 compared to the Bolt guide 5 is guaranteed, exists between the two mutually movable Share a massive game.
- FIG. 3 The area shown in Fig. 3 between the head 92 of the driving piston 9 and the Bolt guide 5 is provided according to the invention with modifications that the described Eliminate disadvantages of the bolt-setting devices known from the prior art.
- functionally identical components in FIG. 3 are independent of slight geometric variations, the same reference numerals as the components of the embodiment known from the prior art Fig. 2.
- a sleeve-shaped pressure piece 7 is arranged, of which in the setting direction S a cylindrical Extension 8 protrudes.
- the cylindrical extension 8 has a smaller outside diameter on than the rest of the pressure piece 7 and is in a receiving space 6 at the entrance to Bolt guide 5 arranged.
- the shaft 91 of the driving piston 9 passes through the pressure piece 7 and the cylindrical extension 8 axially and extends into the bolt guide 5th
- the cylindrical extension 8 carries an annular buffer element 10, the preferably consists of a rubber-elastic material.
- the outside diameter of the buffer element 10 is smaller than the inside diameter of the receiving space 6 creates an annular space A, in which the buffer element 10 at the by the axial compression caused radial expansion can evade.
- the buffer element 10 can also be made of Individual elements can be assembled, which are in the shape of a ring around the cylindrical extension 8 are arranged.
- the result of the massive game between the movable one Components resulting annular gaps between the pressure piece 7 and the inner wall of the receiving space 6 and the extension 8 and the entrance to the bolt guide 5 are provided with the reference symbols O and I.
- sealing rings 13 and 14 are provided at both longitudinal ends of the Buffer element 10.
- a first sealing ring 13 is between an annular stop surface 71 of the pressure piece 7 and one opposite the setting direction S facing end face 11 of the buffer element 10 and radially resiliently biased against the inner wall of the receiving space 6.
- a second Sealing ring 14 is between an annular stop surface 61 of the receiving space 6 and an end face 12 of the buffer element 10 pointing in the setting direction S. and radially resiliently biased against the lateral surface of the cylindrical extension 8. The against the inner wall of the receiving space 6 or against the lateral surface of the cylindrical extension 8 biased sealing elements 13, 14 form a conclusion compared to the ring gaps O and I and prevent the buffer element from being pinched 10.
- the sealing rings are as resilient single or multi-disc sealing rings with an external tension or internal tension effect.
- the sealing rings 13, 14 can be designed as individual disc sealing rings, which are in front of or behind the Buffer element 10 can be plugged onto the cylindrical extension 8. In an alternative Design variants can be done, for example, by gluing or vulcanizing with the Buffer element 10 to be connected to a monolithic component, the whole the cylindrical extension 8 can be pushed on.
- the sealing rings 13, 14 exist for example from a spring steel and have a separation point along its circumference on.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Connection Of Plates (AREA)
- Actuator (AREA)
- Bolts, Nuts, And Washers (AREA)
- Fluid-Damping Devices (AREA)
Abstract
Description
- Fig. 1
- ein Bolzensetzgerät des Stands der Technik im Längsschnitt;
- Fig. 2
- eine vergrösserte Detaildarstellung aus Fig. 1; und
- Fig. 3
- den die erfindungsgemässe Modifikation aufweisenden Abschnitt des Bolzensetzgeräts in einer zu Fig. 2 analogen Darstellung.
Claims (6)
- Bolzensetzgerät zum Eintreiben von Bolzen oder dgl. in Bauteile mit einer Bolzenführung (5) und einem axial verschiebbarenTreibkolben (9), zwischen denen ein mit dem Kopf (92) des Treibkolbens in Wirkverbindung bringbares, hülsenförmiges Druckstück (7) angeordnet ist, das in einen Aufnahmeraum (6) der Bolzenführung (5) ragt und einen sich in Setzrichtung (S) erstreckenden, durchmesserkleineren zylindrischen Fortsatz (8) aufweist, auf dem wenigstens ein elastisches Pufferelement (10) angeordnet ist, dadurch gekennzeichnet, dass sich das Pufferelement (10) zwischen zwei Dichtringen (13, 14) erstreckt, von denen ein erster Dichtring (13) zwischen einer ringförmigen Anschlagfläche (71) des Druckstücks (7) und einer entgegen der Setzrichtung (S) weisenden Stirnfläche (11) des Pufferelements (10) angeordnet und radial federbar gegen die Innenwandung des Aufnahmeraums (6) vorgespannt ist und ein zweiter Dichtring (14) zwischen einer ringförmigen Anschlagfläche (61) des Aufnahmeraums (6) und einer in Setzrichtung (S) weisenden Stirnfläche (12) des Pufferlelements (10) angeordnet und radial federbar gegen die Mantelfläche des zylindrischen Fortsatzes (8) des Druckstücks (7) vorgespannt ist.
- Bolzensetzgerät nach Anspruch 1, dadurch gekennzeichnet, dass die Dichtringe (13, 14) mehrere Einzelscheibendichtungen umfassen.
- Bolzensetzgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Dichtringe (13, 14) aus einen Federstahl gefertigt sind.
- Bolzensetzgerät nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Dichtringe (13, 14) an den Anschlagflächen (71, 61) des Druckstücks (7) bzw. des Aufnahmeraums (6) oder an den Stirnflächen (11, 12) des Pufferelements (10) befestigt sind.
- Bolzensetzgerät nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Pufferelement (10) einstückig, hülsenförmig ausgebildet ist und wenigstens bereichsweise einen Aussendurchmesser aufweist, der kleiner ist als der Innendurchmesser des Aufnahmeraums (6) am Eingang der Bolzenführung (5).
- Bolzensetzgerät nach Anspruch 4, dadurch gekennzeichnet, dass die Dichtringe (13, 14) mit den Stirnflächen (11, 12) des Pufferelements fest verbunden, beispielsweise verklebt oder vulkanisiert, sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19947464 | 1999-10-02 | ||
DE19947464A DE19947464A1 (de) | 1999-10-02 | 1999-10-02 | Bolzensetzgerät zum Eintreiben von Bolzen oder dergleichen in Bauteile |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1088627A2 true EP1088627A2 (de) | 2001-04-04 |
EP1088627A3 EP1088627A3 (de) | 2001-08-01 |
EP1088627B1 EP1088627B1 (de) | 2006-11-22 |
Family
ID=7924258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00810868A Expired - Lifetime EP1088627B1 (de) | 1999-10-02 | 2000-09-21 | Bolzensetzgerät zum Eintreiben von Bolzen oder dgl. in Bauteile |
Country Status (7)
Country | Link |
---|---|
US (1) | US6220495B1 (de) |
EP (1) | EP1088627B1 (de) |
KR (1) | KR100642564B1 (de) |
AU (1) | AU770675B2 (de) |
DE (2) | DE19947464A1 (de) |
ES (1) | ES2275485T3 (de) |
TW (1) | TW558485B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1762342A1 (de) * | 2005-09-13 | 2007-03-14 | HILTI Aktiengesellschaft | Setzgerät |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10103893A1 (de) * | 2001-01-30 | 2002-08-01 | Hilti Ag | Setzgerät |
DE10105196B4 (de) * | 2001-02-06 | 2013-09-26 | Hilti Aktiengesellschaft | Setzgerät |
US7410084B1 (en) * | 2001-08-31 | 2008-08-12 | Reed Daniel J | Multiple-impact adapter for a hammer tool |
US7032683B2 (en) * | 2001-09-17 | 2006-04-25 | Milwaukee Electric Tool Corporation | Rotary hammer |
DE10341385B4 (de) * | 2003-09-05 | 2016-06-23 | Hilti Aktiengesellschaft | Setzgerät |
US7971768B2 (en) * | 2004-05-04 | 2011-07-05 | Illinois Tool Works Inc. | Guidance system for fasteners |
DE102005000106B4 (de) * | 2005-08-25 | 2014-02-27 | Hilti Aktiengesellschaft | Setzgerät |
DE102005000113B4 (de) * | 2005-09-13 | 2014-03-27 | Hilti Aktiengesellschaft | Setzgerät |
DE102005000134A1 (de) * | 2005-10-05 | 2007-04-12 | Hilti Ag | Brennkraftbetriebenes Setzgerät |
JP5055775B2 (ja) * | 2006-02-03 | 2012-10-24 | マックス株式会社 | 釘打機 |
DE102010030127A1 (de) | 2010-06-15 | 2011-12-15 | Hilti Aktiengesellschaft | Eintreibvorrichtung |
CN203092484U (zh) * | 2013-02-22 | 2013-07-31 | 郭景辉 | 一种用于射钉枪的卸力装置 |
TWI627034B (zh) * | 2017-03-27 | 2018-06-21 | 崴鋼工業有限公司 | 吊頂槍 |
TWI627035B (zh) * | 2017-03-27 | 2018-06-21 | 崴鋼工業有限公司 | 吊頂槍 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1478838A1 (de) * | 1965-11-09 | 1969-01-30 | Bauer Carl Fa | Bolzensetzgeraet zum Eintreiben von Bolzen od.dgl. in Bauteile |
DE2850273A1 (de) * | 1978-11-20 | 1980-05-29 | Hilti Ag | Pulverkraftbetriebenes bolzensetzgeraet |
US4332340A (en) * | 1980-05-15 | 1982-06-01 | Olin Corporation | Piston tool buffer assembly |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3115639A (en) * | 1963-04-26 | 1963-12-31 | Moszczynski Anna Edwarda | Apron table |
FR1600417A (de) * | 1968-08-05 | 1970-07-27 | ||
FR2350176A1 (fr) * | 1976-05-06 | 1977-12-02 | Termet Pierre | Appareil actionne par une charge de poudre |
DE2632413A1 (de) * | 1976-07-19 | 1978-01-26 | Hilti Ag | Pulverkraftbetriebenes bolzensetzgeraet mit einer abfangvorrichtung fuer den treibkolben |
US4405072A (en) * | 1980-05-28 | 1983-09-20 | Hilti Aktiengesellschaft | Setting device powered by an explosive gas mixture |
FR2608493B1 (fr) * | 1986-12-23 | 1994-09-02 | Prospection & Inventions | Appareil de scellement a tir indirect |
DE3924620A1 (de) * | 1989-07-26 | 1991-01-31 | Hilti Ag | Pulverkraftbetriebenes bolzensetzgeraet |
-
1999
- 1999-10-02 DE DE19947464A patent/DE19947464A1/de not_active Withdrawn
-
2000
- 2000-09-08 AU AU56580/00A patent/AU770675B2/en not_active Expired
- 2000-09-21 EP EP00810868A patent/EP1088627B1/de not_active Expired - Lifetime
- 2000-09-21 ES ES00810868T patent/ES2275485T3/es not_active Expired - Lifetime
- 2000-09-21 DE DE50013766T patent/DE50013766D1/de not_active Expired - Lifetime
- 2000-09-26 US US09/670,139 patent/US6220495B1/en not_active Expired - Lifetime
- 2000-09-27 TW TW089120024A patent/TW558485B/zh active
- 2000-09-28 KR KR1020000056943A patent/KR100642564B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1478838A1 (de) * | 1965-11-09 | 1969-01-30 | Bauer Carl Fa | Bolzensetzgeraet zum Eintreiben von Bolzen od.dgl. in Bauteile |
DE2850273A1 (de) * | 1978-11-20 | 1980-05-29 | Hilti Ag | Pulverkraftbetriebenes bolzensetzgeraet |
US4332340A (en) * | 1980-05-15 | 1982-06-01 | Olin Corporation | Piston tool buffer assembly |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1762342A1 (de) * | 2005-09-13 | 2007-03-14 | HILTI Aktiengesellschaft | Setzgerät |
Also Published As
Publication number | Publication date |
---|---|
US6220495B1 (en) | 2001-04-24 |
AU770675B2 (en) | 2004-02-26 |
AU5658000A (en) | 2001-04-05 |
KR100642564B1 (ko) | 2006-11-10 |
DE50013766D1 (de) | 2007-01-04 |
DE19947464A1 (de) | 2001-04-05 |
ES2275485T3 (es) | 2007-06-16 |
EP1088627A3 (de) | 2001-08-01 |
EP1088627B1 (de) | 2006-11-22 |
KR20010050690A (ko) | 2001-06-15 |
TW558485B (en) | 2003-10-21 |
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