WO2011054450A1 - Montagezange mit lösbarer gegenklinke - Google Patents
Montagezange mit lösbarer gegenklinke Download PDFInfo
- Publication number
- WO2011054450A1 WO2011054450A1 PCT/EP2010/006456 EP2010006456W WO2011054450A1 WO 2011054450 A1 WO2011054450 A1 WO 2011054450A1 EP 2010006456 W EP2010006456 W EP 2010006456W WO 2011054450 A1 WO2011054450 A1 WO 2011054450A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- handle
- wheel
- ratchet wheel
- lever
- locking pawl
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
- B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
- B25B7/14—Locking means
- B25B7/16—Locking means combined with means for tightening the operating arms of jaws
Definitions
- the invention relates to a hand tool for assembly purposes, in particular for mounting pipe connections to pipe systems, with two legs, which are rotatably connected to each other via a first hinge connection and are divided by this hinge connection in a mounting leg and a handle leg, wherein the first handle leg is divided into a handle remote lever and a lever close to handle and these two levers are rotatably connected to each other via a second hinge connection with a bolt, on the bolt axially next to each other, a train wheel and a rotatably connected thereto ratchet wheel with external teeth are rotatably mounted, wherein the Zugrad engages a traction means, which connects both gripping arms together, and wherein the handle close lever, a spring-loaded driving pawl is arranged, which engages in the ratchet, in such a way that at a closing movement of the handle near lever ratchet u Turning wheel, which causes the closing of the pliers, wherein a spring-loaded locking pawl is provided, which also engages
- Such a hand tool is known from the document DE 43 32 710 A1.
- Hand tongs of this type are used in the assembly of pipe systems, namely for the production of sliding sleeve pipe connections.
- the prior art prevents springing of the gripping arms during the clamping process of the pliers in that - as described in the document DE 43 32 710 A1 - the ratchet wheel has a pawl extending over its entire circumference, in which a spring-loaded locking pawl engages.
- the toothing is designed so that a rotation of the ratchet wheel during clamping of the pliers allowed, but the counter rotation is prevented.
- the locking pawl is pivotally mounted on a bolt and is brought into spring engagement with the ratchet wheel. Difficulties arise when releasing the locking pawl from the ratchet when pipe systems are mounted with larger diameters. It turns out that such high assembly forces can occur that the locking pawl clamps in the ratchet wheel and can not be solved.
- the invention provides, starting from the above-described prior art, a switch by the operation of the direction of the spring load of the locking pawl is reversible, in such a way that the operation of the switch causes the engagement of the locking pawl lifted in the ratchet wheel becomes.
- the spring load of the locking pawl is optionally changed, so that after actuation of the switch, the locking pawl, e.g. at a slight further closing movement of the handle lever, automatically released from the teeth of the ratchet wheel.
- the traction means is guided in a pulley arrangement of the traction wheel via a deflecting wheel arranged on the second gripping arm and from there back to the first gripping leg.
- a Switzerlandstoff Tooth is arranged near the traction wheel on the lever near the handle, which causes the wrap angle of the traction means to the Zugrad at least 90 °.
- the interaction length of the traction means with the traction wheel increases due to a larger wrap angle around the traction wheel, which leads to an increase in the maximum transferable tractive force.
- Figure 1 is a side view of the hand tool in the
- Figure 2 is a sectional view of the second
- Figure 3 is an enlarged side view of the second
- the illustrated hand tool comprises two legs held together by a hinge connection with a bolt 1, which are divided by the hinge connection into a mounting leg and a gripping leg 2 and 3, respectively.
- the two legs consist of U-shaped bent sheet metal profiles, which face each other with their open sides.
- the sheet metal profiles are fork-shaped, wherein the gripping arms 3 surrounds the opposite gripping arms 2 U-shaped.
- the bolt 1 is held axially secured in aligned holes of the legs.
- a mounting jaw 4 and 5 held by means of a support pin 6 and 7 articulated.
- a guide bar 8 or 9 integrally formed with an inner rectilinear support surface 10 and 11 respectively.
- Each support surface 10 and 11 is located on a held in the respective Griffschenkei 2 and 3 pins 12 and 13 as an abutment.
- the support pins 6, 7 and the pins 12, 13 with their axes form the hinge points of a Four-bar linkage.
- gripping arms 2 is formed continuously, the other, in its shape with the gripping arms 2 matching gripping arms 3 in the vicinity of the head of the hand tool divided into a shorter handle shorter lever 14 and a handle near longer lever 15 which by a second articulated connection with a Bolts 16 are hinged together.
- the hinge pin 16 is at the same time also a bearing pin for a pulling wheel 17 and a ratchet wheel 18 with circumferential toothing connected to it in a rotationally fixed manner.
- Pulling wheel 17 and ratchet wheel 18 are non-rotatably mounted on a sleeve 19, which extends in its axial length with little play within the U-shaped profile of the handle lever 14 remote from the handle. Zugrad, ratchet wheel and sleeve can also be integrally formed.
- a traction means 20 preferably a link chain, out, which is placed on the gripping arms 2 via a guide wheel 21 and is guided according to a pulley arrangement back to the handle part 14.
- a Ceiffen Unit 22 is arranged, which causes the wrap angle of the traction means 20 to the traction wheel 17 is at least 90 °.
- the traction means 20 extends in the interior of the U-shaped bent handle near lever 15, wherein its free end is struck by a tension spring 23 on the lever 15.
- the tension spring 23 serves to tighten the unloaded portion of the traction means 20th
- a pawl pin 24 is mounted adjacent to the ratchet wheel 18, which is secured in a suitable manner against axial displacements.
- This pawl pin 24 carries in the plane of the ratchet wheel 18 a driving pawl 25 which can engage with a nose 26 in the circumferential toothing 27 of the ratchet wheel 18.
- a retaining spring acts, which seeks to keep the driving pawl 25 in its engaged position with the ratchet wheel 18.
- the handle near lever 15 can be pivoted out of its rest position relative to the handle lever 14 to the outside in an end position, which is limited by a stop.
- the driving pawl 25 Before reaching the end position of the pivotal movement of the handle close to the lever 15, the driving pawl 25 is automatically pivoted from the engaged position into an exemption.
- a casserole 28 is formed on the handle remote lever 14, with which an inner sliding surface 29 of the driving pawl 25 comes into pressure contact at the beginning of the final phase of the pivoting movement.
- the handle-remote lever 14 has a locking pawl 30 which is rotatably mounted on a bolt 31. At its end, the locking pawl 30 carries a locking tooth 32, which, also under spring load, engages in the toothing 27 of the ratchet wheel 18.
- a switch 33 is provided, by the operation of the direction of the spring load of the locking pawl 30 is reversible.
- the pliers work as follows:
- the handle-near lever 15 initially pivots into the end position shown in FIG. Only then is a spreading movement of the handle remote lever 14 and thus a separation of the mounting jaws 4 and 5 instead.
- the handle-remote lever 14 of the first handle leg 3 is pressed in the direction of the second handle leg 2 until the mounting jaws 4 and 5 come into contact with the pipe connection parts to be mounted. Thereafter, the pivotal movement of the handle close lever 15 sets, wherein the driving pawl 25 can engage with its nose 26 in the toothing 27 of the ratchet wheel 18.
- the deflection of the traction means 20 via an additional deflecting wheel 21 on the second gripping leg 2 ensures according to the principle of a pulley for a halving of the applied force when closing the pliers.
- the additional traction means guide 22 guides the traction means 20 about the traction wheel 17 such that the angle of wrap is greater than 90 °.
- the locking pawl 30 On the side remote from the driving pawl 25 peripheral side, the locking pawl 30 is provided, which cooperates with the peripheral teeth of the ratchet wheel 18.
- the locking pawl 30 is limitedly pivotally supported by a fixed pin 31 on the handle remote lever 14 and comprises at its free end a locking tooth 32 which engages in the toothing 27. Locking tooth 32 and toothing 27 are shaped such that the locking pawl 30 clockwise rotation of the ratchet wheel 18 - based on the representation in Figure 1 - allows, but prevents reverse rotation.
- the switch 33 is provided on the handle remote lever 14, by the operation of the direction of the spring load of the locking pawl 30 is reversible, in such a way that the operation of the switch 33 causes the engagement of the locking pawl 30 in the ratchet wheel 18th will be annulled.
- FIG. 2 shows the switch 33 in the actuated position.
- the switch 33 is pin-shaped. At the top, the switch has a rounded actuator head 33a. At the bottom of a stop plate 33b is provided. The actuating head 33a and the stop plate 33b limit the displacement of the switch 33.
- the shaft of the switch 33 has a variable diameter along its longitudinal extent. The shank tapers conically from a larger diameter portion 33c to a circumferential groove 33d. In the position of the switch 33 shown in Figure 2 is a built-in the locking pawl 30 spring-loaded pin 30a in the region 33c on the shaft of the switch 33 at.
- the spring-loaded pin 30 a which is supported in this switching position on the shaft of the switch 33, causes a total of a spring force is effective, which seeks to move the locking tooth 32 away from the toothing 27.
- axial displacement (based on the illustration of Figure 2 upwards) is achieved that the pin 30a is at the level of the groove 33d, where it can no longer be supported on the shaft of the switch 33.
- a total of a modified spring force is effective on the locking pawl 30, which seeks to move the locking tooth 32 to the toothing 27 out.
- the engagement of the locking pawl 30 is made in the ratchet wheel.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Braking Elements And Transmission Devices (AREA)
- Basic Packing Technique (AREA)
- Surgical Instruments (AREA)
- Breakers (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Clamps And Clips (AREA)
Abstract
Description
Claims
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA2778999A CA2778999C (en) | 2009-10-27 | 2010-10-22 | Assembly pliers with detachable counter-ratchet |
KR1020127012068A KR101465848B1 (ko) | 2009-10-27 | 2010-10-22 | 카운터-래칫을 갖는 조립용 수동식 플라이어 |
PL10776939T PL2493663T3 (pl) | 2009-10-27 | 2010-10-22 | Obcęgi ręczne z uwalnianą zapadką współpracującą |
ES10776939.0T ES2533342T3 (es) | 2009-10-27 | 2010-10-22 | Tenazas de montaje con triquete de retención liberable |
BR112012009968A BR112012009968A2 (pt) | 2009-10-27 | 2010-10-22 | torquês de montagem com contratrinco separável |
EP10776939.0A EP2493663B1 (de) | 2009-10-27 | 2010-10-22 | Montagezange mit lösbarer gegenklinke |
RU2012121852/02A RU2524486C2 (ru) | 2009-10-27 | 2010-10-22 | Монтажные клещи с отключаемой блокировочной защелкой |
US13/504,228 US9010221B2 (en) | 2009-10-27 | 2010-10-22 | Assembly pliers with detachable counter-ratchet |
JP2012535661A JP5362119B2 (ja) | 2009-10-27 | 2010-10-22 | 解除可能なカウンタつめを備えた組み付けプライヤ |
CN201080055216.8A CN102639300B (zh) | 2009-10-27 | 2010-10-22 | 带有可松脱的配合爪的装配钳 |
AU2010314468A AU2010314468B2 (en) | 2009-10-27 | 2010-10-22 | Installation pliers having a releasable counterpawl |
MX2012004872A MX2012004872A (es) | 2009-10-27 | 2010-10-22 | Pinzas de instalacion que tienen un contra-trinquete liberable. |
ZA2012/03089A ZA201203089B (en) | 2009-10-27 | 2012-04-26 | Installation pliers having a releasable counterpawl |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009050865.1 | 2009-10-27 | ||
DE102009050865A DE102009050865B3 (de) | 2009-10-27 | 2009-10-27 | Montagezange mit lösbarer Gegenklinke |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011054450A1 true WO2011054450A1 (de) | 2011-05-12 |
Family
ID=43384569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/006456 WO2011054450A1 (de) | 2009-10-27 | 2010-10-22 | Montagezange mit lösbarer gegenklinke |
Country Status (15)
Country | Link |
---|---|
US (1) | US9010221B2 (de) |
EP (1) | EP2493663B1 (de) |
JP (1) | JP5362119B2 (de) |
KR (1) | KR101465848B1 (de) |
CN (1) | CN102639300B (de) |
AU (1) | AU2010314468B2 (de) |
BR (1) | BR112012009968A2 (de) |
CA (1) | CA2778999C (de) |
DE (1) | DE102009050865B3 (de) |
ES (1) | ES2533342T3 (de) |
MX (1) | MX2012004872A (de) |
PL (1) | PL2493663T3 (de) |
RU (1) | RU2524486C2 (de) |
WO (1) | WO2011054450A1 (de) |
ZA (1) | ZA201203089B (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013020335A1 (zh) * | 2011-08-09 | 2013-02-14 | 润联(天津)五金工具有限公司 | 可变换钳柄角度的夹紧工具 |
EP2769134A4 (de) * | 2011-10-18 | 2015-09-02 | American Grease Stick Co | Werkzeug zum kuppeln von fluidleitungen |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9381629B1 (en) | 2013-12-13 | 2016-07-05 | Alex Bonilla | Ratchet assembly |
KR101656982B1 (ko) | 2015-02-02 | 2016-09-30 | 이인순 | 파이프 연결용 클램프 |
CN104802106B (zh) * | 2015-05-05 | 2016-08-24 | 苏州思莱特电子科技有限公司 | 一种夹紧力限定式夹钳 |
CN104999404A (zh) * | 2015-08-21 | 2015-10-28 | 上海盟通五金机电有限公司 | 一种滑紧钳 |
DE102016101927A1 (de) * | 2016-02-04 | 2017-08-10 | Knipex-Werk C. Gustav Putsch Kg | Zange |
CN109366379A (zh) * | 2018-11-28 | 2019-02-22 | 湖南国盛石墨科技有限公司 | 一种带自锁装置的可调式石墨坩埚夹具 |
WO2020110281A1 (ja) * | 2018-11-30 | 2020-06-04 | オリンパス株式会社 | 把持機構 |
KR102262354B1 (ko) * | 2019-03-12 | 2021-06-09 | (주)이쿨 | 관 조인트 락킹 공구 |
KR20210001822U (ko) * | 2020-02-03 | 2021-08-11 | (주)이쿨 | 지지 핀 및 관 조인트 락킹 공구 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE367658C (de) * | 1923-01-24 | John Voleske | Tragbare Drahtschere mit drehbar verbundenen Hebeln | |
US2993275A (en) * | 1958-12-29 | 1961-07-25 | Naito Kazunosuke | Portable machine for shearing steel rods, wire ropes, and the like |
US3084432A (en) * | 1961-05-01 | 1963-04-09 | Porter Inc H K | Portable hand tool |
US3169307A (en) * | 1962-11-01 | 1965-02-16 | Waldes Kohinoor Inc | Tools for handling split retaining rings |
DE3622392A1 (de) * | 1986-07-03 | 1988-01-14 | Dischler Helmut | Werkzeug zum bearbeiten eines werkstueckes |
DE4332710A1 (de) | 1993-08-20 | 1995-02-23 | Vulkan Lokring Gmbh & Co Kg | Handzange für Montagezwecke |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2643564A (en) * | 1952-05-28 | 1953-06-30 | Nat Telephone Supply Co | Portable hand tool for alternative direct and step-by-step operation |
DE3617529A1 (de) * | 1986-05-24 | 1987-11-26 | Hackforth Gmbh & Co Kg | Handzange fuer montagezwecke |
US4742737A (en) * | 1986-06-06 | 1988-05-10 | Amp Incorporated | Multiple stroke ratchet hand tool |
SU1608034A1 (ru) * | 1988-12-15 | 1990-11-23 | В.С.Филатов | Зажимное устройство |
DE9321644U1 (de) * | 1993-08-20 | 2001-12-06 | Vulkan Lokring GmbH & Co. KG, 44653 Herne | Handzange für Montagezwecke |
DE20104732U1 (de) * | 2000-04-18 | 2001-07-26 | Geberit Technik Ag, Jona | Handpresszange zum Verpressen von Rohrverbindungen |
DE10113012C1 (de) * | 2001-03-17 | 2002-08-14 | Vulkan Lokring Gmbh & Co Kg | Handzange |
-
2009
- 2009-10-27 DE DE102009050865A patent/DE102009050865B3/de not_active Expired - Fee Related
-
2010
- 2010-10-22 EP EP10776939.0A patent/EP2493663B1/de not_active Not-in-force
- 2010-10-22 CN CN201080055216.8A patent/CN102639300B/zh not_active Expired - Fee Related
- 2010-10-22 CA CA2778999A patent/CA2778999C/en not_active Expired - Fee Related
- 2010-10-22 BR BR112012009968A patent/BR112012009968A2/pt not_active IP Right Cessation
- 2010-10-22 KR KR1020127012068A patent/KR101465848B1/ko not_active IP Right Cessation
- 2010-10-22 US US13/504,228 patent/US9010221B2/en not_active Expired - Fee Related
- 2010-10-22 PL PL10776939T patent/PL2493663T3/pl unknown
- 2010-10-22 JP JP2012535661A patent/JP5362119B2/ja not_active Expired - Fee Related
- 2010-10-22 RU RU2012121852/02A patent/RU2524486C2/ru not_active IP Right Cessation
- 2010-10-22 MX MX2012004872A patent/MX2012004872A/es active IP Right Grant
- 2010-10-22 WO PCT/EP2010/006456 patent/WO2011054450A1/de active Application Filing
- 2010-10-22 AU AU2010314468A patent/AU2010314468B2/en not_active Ceased
- 2010-10-22 ES ES10776939.0T patent/ES2533342T3/es active Active
-
2012
- 2012-04-26 ZA ZA2012/03089A patent/ZA201203089B/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE367658C (de) * | 1923-01-24 | John Voleske | Tragbare Drahtschere mit drehbar verbundenen Hebeln | |
US2993275A (en) * | 1958-12-29 | 1961-07-25 | Naito Kazunosuke | Portable machine for shearing steel rods, wire ropes, and the like |
US3084432A (en) * | 1961-05-01 | 1963-04-09 | Porter Inc H K | Portable hand tool |
US3169307A (en) * | 1962-11-01 | 1965-02-16 | Waldes Kohinoor Inc | Tools for handling split retaining rings |
DE3622392A1 (de) * | 1986-07-03 | 1988-01-14 | Dischler Helmut | Werkzeug zum bearbeiten eines werkstueckes |
DE4332710A1 (de) | 1993-08-20 | 1995-02-23 | Vulkan Lokring Gmbh & Co Kg | Handzange für Montagezwecke |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013020335A1 (zh) * | 2011-08-09 | 2013-02-14 | 润联(天津)五金工具有限公司 | 可变换钳柄角度的夹紧工具 |
EP2769134A4 (de) * | 2011-10-18 | 2015-09-02 | American Grease Stick Co | Werkzeug zum kuppeln von fluidleitungen |
Also Published As
Publication number | Publication date |
---|---|
ZA201203089B (en) | 2012-12-27 |
CN102639300A (zh) | 2012-08-15 |
US9010221B2 (en) | 2015-04-21 |
DE102009050865B3 (de) | 2011-06-09 |
KR101465848B1 (ko) | 2014-11-26 |
PL2493663T3 (pl) | 2015-07-31 |
JP2013508182A (ja) | 2013-03-07 |
US20120247283A1 (en) | 2012-10-04 |
JP5362119B2 (ja) | 2013-12-11 |
KR20120120128A (ko) | 2012-11-01 |
BR112012009968A2 (pt) | 2016-03-08 |
MX2012004872A (es) | 2012-11-23 |
RU2524486C2 (ru) | 2014-07-27 |
AU2010314468B2 (en) | 2016-06-16 |
RU2012121852A (ru) | 2013-12-10 |
EP2493663A1 (de) | 2012-09-05 |
CA2778999A1 (en) | 2011-05-12 |
ES2533342T3 (es) | 2015-04-09 |
CN102639300B (zh) | 2015-05-06 |
CA2778999C (en) | 2014-08-05 |
EP2493663B1 (de) | 2014-12-24 |
AU2010314468A1 (en) | 2012-05-24 |
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