EP3159107B1 - Gruppe von handzangen - Google Patents

Gruppe von handzangen Download PDF

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Publication number
EP3159107B1
EP3159107B1 EP15191261.5A EP15191261A EP3159107B1 EP 3159107 B1 EP3159107 B1 EP 3159107B1 EP 15191261 A EP15191261 A EP 15191261A EP 3159107 B1 EP3159107 B1 EP 3159107B1
Authority
EP
European Patent Office
Prior art keywords
pliers
lever
hand
manual
module
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.)
Active
Application number
EP15191261.5A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3159107A1 (de
Inventor
Thomas Glockseisen
Kurt Battenfeld
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.)
Wezag GmbH and Co KG
Original Assignee
Wezag GmbH Werkzeugfabrik
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 Wezag GmbH Werkzeugfabrik filed Critical Wezag GmbH Werkzeugfabrik
Priority to EP15191261.5A priority Critical patent/EP3159107B1/de
Priority to TW105130812A priority patent/TWI694901B/zh
Priority to JP2016206314A priority patent/JP6884951B6/ja
Priority to US15/299,697 priority patent/US20170113358A1/en
Priority to CN201610920862.5A priority patent/CN106808383B/zh
Publication of EP3159107A1 publication Critical patent/EP3159107A1/de
Application granted granted Critical
Publication of EP3159107B1 publication Critical patent/EP3159107B1/de
Priority to US16/884,656 priority patent/US11794361B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26BHAND-HELD CUTTING TOOLS NOT OTHERWISE PROVIDED FOR
    • B26B13/00Hand shears; Scissors
    • B26B13/26Hand shears; Scissors with intermediate links between the grips and the blades, e.g. for remote actuation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/22Pliers provided with auxiliary tool elements, e.g. cutting edges, nail extractors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/02Jaws
    • B25B7/04Jaws adjustable
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12Pliers; 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D3/00Cutting work characterised by the nature of the cut made; Apparatus therefor
    • B26D3/16Cutting rods or tubes transversely
    • B26D3/169Hand held tube cutters

Definitions

  • the invention relates to a group with different hand pliers, which differ in the type of machining a workpiece, the geometry of the workpiece to be machined, the geometry of the hand pliers and the like. can distinguish.
  • the hand-held pliers are preferably cutting pliers, by means of which workpieces such as cables can be severed.
  • different hand tools are intended, for example, for different diameters and / or hardness of the cables to be cut.
  • the different hand tongs have different cutting jaws, in particular scissor-like open cutting jaws on the one hand and cutting jaws closed in the circumferential direction on the other hand.
  • the publication US 2013/0152404 A1 discloses a scissors tool, which can be designed as pruning shears or hand shears.
  • the scissors tool has a fixed blade and a movable blade, which is mounted on a pivot pin in a pivot bearing on the fixed blade.
  • the movable blade is operated using an operating lever.
  • the actuating lever is mounted on the fixed blade at a distance from the pivot bearing for the movable blade via a pivot pin in a pivot bearing.
  • the bolts for the formation of the pivot bearings for the movable blade and the actuating lever are held in one end region in the fixed blade and in the other end region on a tab.
  • An arm extending from the movable blade has an angled end region with an internal toothing which is curved in accordance with the distance from the pivot bearing of the movable blade.
  • This internal toothing meshes with an external toothing formed by an angling of the actuating lever, which is curved in accordance with the distance of this external toothing from the pivot bearing of the actuating lever.
  • Both the arm with the bend and the actuating lever with the bend and the formed toothing are formed from a sheet metal.
  • the toothings disengage, with which the cutting edges could no longer be driven, the actuating lever and the angled arm are connected to one another via a tab.
  • the tab is coupled to the angled arm via an elongated hole in such a way that the tab only takes effect at the end of the closing stroke of the cutting edges.
  • US 6,786,117 B1 discloses a pair of pliers with two pliers bodies pivoted like scissors about a pivot bearing, each of which form a hand lever and pliers jaws.
  • the pliers jaws are releasably attached to the associated hand levers. If a pair of pliers jaws of a first type are attached to the hand levers, a further pair of pliers jaws of a different type are simultaneously stored between the cover plates of the hand levers. It is possible to exchange the jaws of the first type with the jaws of the second type, which should result in a multifunctional use of the pliers.
  • a hand lever part has two cranked hand levers which are pivotally connected to one another between the handles and the cranked end regions via a pivot bearing. By pivoting the handles, a change in the distance between the two cranked end regions of the hand lever can be brought about.
  • a fixed pliers jaw is fastened to the cranked end region of the lower hand lever, which forms a fixed hand lever, while a further pliers jaw, which is pivotably mounted on fixed pliers jaw, is coupled to the cranked end region of the other hand lever via an actuating rod.
  • the actuating rod extends through the fixed jaw and the fixed hand lever.
  • the movable pliers jaw is acted upon in the opening direction, with which the hand levers and the pliers jaws take up their open position without applied manual forces, and the movable hand lever and the movable pliers jaw are pressed apart against end stops of the actuating rod.
  • US 6,282,995 B1 discloses a scissor-like gripping or cutting tool in which the two scissor parts between the handles and the cutting or gripping jaws are pivotable about a pivot bearing are stored.
  • the scissor parts are made in several pieces.
  • a scissor head has the swiveling cutting or gripping jaws.
  • the pivot bearing of the scissor head can be plugged onto a pivot sleeve which defines the pivot axis and which is carried by a handle.
  • the cutting or gripping jaw assigned to this handle has a lever part with a hole which can be plugged onto a pin carried by this pincer handle.
  • the pliers handle and the cutting or gripping jaw are rigidly connected to one another.
  • the other cutting jaw also has a lever part with a hole in the area where a connection is made with the other pliers handle.
  • the object of the invention is to simplify the production of different hand tools.
  • the invention relates to a group of pliers.
  • This group of hand tongs includes a first sub-group with hand tongs, e.g. type A hand tongs, and a second sub-group with hand tongs, e.g. type B hand tongs.
  • the hand tongs of the first sub-group and the second sub-group are designed and intended for the machining of different workpieces.
  • a pair of handheld pliers can be formed with two, three or more modules.
  • the individual modules of the hand-held pliers can be manufactured in large quantities at low cost, with the hand-held pliers then being specified for the subgroups (i.e. for the Example of the formation of type A or B) can be done by combining different modules.
  • the manual pliers of the subgroups have at least identical gear modules, which means that the constant component can be increased.
  • the identical design of the gear modules includes the identical design of the individual components of the gear module, the provision of identical interfaces of the gear module with the other modules, the same dimensions of the gear module, the same locations and training for holding devices of the gear module (e.g. locations and diameters of bores in a housing plate of the gear module for holding retaining bolts, pivot bolts, spacers, etc.).
  • the identically designed gear modules of the hand tongs of the two subgroups have identical interfaces for connecting the gear module with identical counter interfaces of different pliers head modules (for the example, a pliers head module type A and a pliers head module type B) for forming the hand tongs of the first subgroup (hand tongs of type A) on the one hand and the formation of hand pliers of the second sub-group (type B) on the other.
  • the gear module can be manufactured uniformly regardless of which pliers head module is to be used for later assembly.
  • the gear modules have identical interfaces for connecting the gear module to counter-interfaces of different hand lever modules, with which the hand pliers of the different subgroups can then be formed. This enables individualization of the hand tongs when using the same gear module by using different hand lever modules.
  • the transmission modules can be of any design.
  • the gear modules each have a housing plate. Swivel bolts are then held on the housing plate, by means of which further components of the hand tool, in particular components of the transmission module, can be pivotably mounted on the housing plate.
  • gear elements of the gear module for example a moving hand lever part, can be moved on the housing plate during the actuation of the hand tongs.
  • a push lever and / or a locking lever be mounted directly or indirectly. All components of the transmission module are preferably held or supported on the housing plate.
  • the components of the transmission module preferably extend largely or all on one side of the housing plate. It is possible that pivot bolts, support bolts, spacers and the like. ⁇ . in an end region of the same in the housing plate or are held on this, these components in the other end region for a particular embodiment of the invention are additionally held or mounted on a housing plate of the pliers head module.
  • the gear module has an opening. Through this opening, pivot bolts for supporting movable gear elements of the gear module and / or gear elements of the gear module which are moved during the actuation of the hand tongs are accessible for the removed pliers head module.
  • the pivot bolts and the gear elements for the dismantled pliers head module can only be covered on one side by the housing plate of the gear module, while they are otherwise freely accessible, so that the opening exists wherever the housing plate does not extend.
  • this opening is at least partially closed by a housing plate of the pliers head module in the direction transverse to a pliers head plane. It is possible, for example, that in this partially closed state of the opening, the pivot bolts and the gear elements of the gear module extend between the housing plate of the gear module and the housing plate of the pliers head module.
  • At least one gear element which is moved during the operation of the hand tongs and / or a movable hand lever is rotatably mounted both with respect to the housing plate of the pliers head module and also with respect to the housing plate of the gear module.
  • the rotatable mounting can take place in that a bearing pin supporting the gear element or the movable hand lever is received with its end regions in the two housing plates mentioned, so that the housing plates have aligned bores.
  • connection between a bearing pin and a bore in the housing plate can be achieved by pressing in, caulking, rotatable mounting, for example via a slide bearing, a securing ring arranged on the outside of the housing plate, and the like. ⁇ . done.
  • the housing plates of the transmission modules are formed separately from a fixed hand lever or a hand lever plate of a fixed hand lever, with which the hand lever or the hand lever plate are not part of the transmission module, but rather form another module or are part of another module which is mounted with the gear module.
  • the housing plates of the transmission modules are formed in one piece with a hand lever or a hand lever plate, which further simplifies production and a joining or assembly point between the housing plate and the hand lever plate can be avoided.
  • the housing plate on the one hand and the hand lever plate on the other hand are flat.
  • the housing plate merges into the hand lever or the hand lever plate via an offset.
  • the offset is preferably approximately half (in particular ⁇ 20% or ⁇ 10% or ⁇ 5% of half) of the distance between the housing plates of the gear module and the pliers head module in the assembled state.
  • a compensation can take place such that the housing plates limit the pliers head in the area of the transmission in a direction transverse to the plane of the pliers head, while at the same time, due to the offset, the hand lever plate can be arranged in a central plane of the pliers head, which is approximately in the middle between the two housing plates can be arranged and extends approximately centrally through a handle.
  • the manufacture of the individual components of the hand tongs can be any.
  • a base body which forms a fixed cutting jaw and a housing plate of the pliers head module, can be produced in a fine injection molding process.
  • at least one hand lever and / or the housing plate of the transmission module is punched out of sheet metal, which can further reduce the manufacturing costs.
  • hand tongs of the first sub-group have a pliers head module with scissor-like open cutting jaws
  • hand tongs of the second sub-group have a plier head module with cutting jaws closed in the circumferential direction.
  • the pivoting direction of a movable hand lever is oriented in the opposite direction to the pivoting direction of an associated movable cutting jaw, so that, for example, the movable hand lever is pivoted clockwise during the closing, while the assigned movable cutting jaw is pivoted counterclockwise.
  • the pivot bearing for mounting the thrust lever is arranged on the movable hand lever.
  • the movable hand lever is pivotably mounted on a housing plate of the transmission module between this pivot bearing and a handle of the hand lever.
  • the pliers head modules are each formed with a one-piece base body, which forms a housing plate and a fixed cutting jaw.
  • the base body is manufactured in an injection molding process.
  • the gear module is formed with a housing plate, which can be produced in particular by punching a sheet and / or can be formed in one piece with a hand lever plate.
  • Fig. 1 shows a partially dismantled hand tool 1 with a fixed hand lever 2 and a movable hand lever 3.
  • the hand levers 2, 3 are each formed with an elongated hand lever plate 4, 5, each of which is in the area accessible to the user of the hand tool 1 by a preferably elastomeric handle 6 , 7 are encased, the outer contour and rigidity of which are optimized for the actuation contact with the hand of the user.
  • the hand lever plate 4 continues integrally via a crank 8 into a housing plate 9.
  • a pliers head level is predetermined by the plane of extent of the housing plate 9.
  • the housing plate 9 serves for the pivotable articulation of the movable hand lever 3, the pivotable support of gear elements of the drive gear of the hand tool 1 and the provision of fasteners for a pliers head module.
  • a pivot pin 10 is held on the housing plate 9 to form a pivot bearing 52, with which the movable hand lever 3 is pivotably mounted relative to the housing plate 9 and thus the fixed hand lever 2.
  • an opening spring 11, here a leg of a spiral or leg spring is supported on the pivot pin 10.
  • the housing plate 9 carries a bolt 12 which extends through a loading spring 13, here also a spiral or leg spring.
  • the housing plate 9 carries spacers 14, 15 formed with stepped bolts or sleeves.
  • a latching lever 16 is pivotably mounted relative to the housing plate 9 via a swivel pin 17 to form a swivel bearing 53, the swivel pin 17 being simultaneously stepped with cantilevers 16 projecting on both sides End regions forms a further spacer 18.
  • a push lever 19 is pivotally articulated via a pivot bearing 20 on the hand lever plate 5, the pivot bearing 52 formed with the pivot pin 10 being arranged between the pivot bearing 20 for the articulation of the push lever 19 and the handle 7.
  • the pivot bearing 20 is formed with a part-circular cutout of the hand lever plate 5 with an arc angle slightly larger than 180 °, into which a partially cylindrical end region of the push lever 19 is pressed or "clipped".
  • a locking lever 22 is articulated on the hand lever 3.
  • the hand lever 3, the locking lever 22, the locking lever 16 and the push lever 19 can be pivoted about pivot axes which are oriented parallel to one another and vertically to the pliers head plane.
  • the gear elements or the hand lever plate 5, the detent lever 16 and the push lever 19 are guided at least partially by the housing plate 9.
  • the opening spring 11 and the loading spring 13 are subjected to a torsional moment, the vector of which is also oriented vertically to the plane of the pliers head.
  • the components can be held partially or all loosely on the housing plate 9 or held captive thereon.
  • Fig. 2 shows the hand tool 1 in another partially assembled state. Only the handle 6 of the fixed hand lever 2 is shown, while the hand lever plate 4 and the housing plate 9 are not shown.
  • a movable cutting jaw 23 has an inner, roughly crescent-shaped or partially spiral-shaped cutting edge 24 as well as an external toothing 32 along an arc of a circle.
  • the movable cutting jaw 23 is articulated on a fixed cutting jaw 26 via a pivot bearing 25 formed with a pivot pin 54.
  • the fixed cutting jaw 26 is formed integrally with a housing plate 27.
  • the housing plate 27 and the cutting jaws 23, 26 extend parallel to the pliers head plane with a pivoting of the movable cutting jaw 23 about the pivot axis predetermined by the pivot bearing 25, which is oriented vertically to the pliers head plane.
  • the cutting jaws 23, 26 are guided past one another with the smallest possible distance.
  • the cutting jaws 23, 26 form a receptacle 28 for a workpiece to be cut by means of the hand tool 1.
  • the receptacle 28 is limited by the receiving or cutting contour 29 formed with the cutting edge 24 of the movable cutting jaw 23 and the fixed cutting jaw 26, the cross-sectional area of which decreases over the working stroke of the hand tool 1 and whose geometry changes over the working stroke of the hand tool 1.
  • Fig. 3 shows a detail III according to the illustration Fig. 2 .
  • the hand tool 1 is here in a starting position in which a workpiece, in particular a cable, has been inserted into the receptacle 28.
  • the latching lever 16 has a latching lug 30 which, in order to latch the pivoting position of the movable cutting jaw 23, engages in the toothing 32 of the movable cutting jaw 23.
  • the thrust lever 19 In the end region facing away from the pivot bearing 20 the thrust lever 19 via a toothing 31, which according to Fig. 2 engages in the toothing 32 of the movable cutting jaw 23.
  • the first maximum open position of the hand levers 2, 3 is (despite the action of the movable hand lever 3 by the opening spring 11 to the outside) predetermined by a nose or a projection 33 of the hand lever plate 5 for contact comes to a roughly L-shaped bend or a lever part 34 of the locking lever 16.
  • a nose or a projection 33 of the hand lever plate 5 for contact comes to a roughly L-shaped bend or a lever part 34 of the locking lever 16.
  • Both the locking lug 30 of the locking lever 16 and the toothing 31 of the thrust lever 19 are in engagement with the toothing 32 of the cutting jaw 23.
  • the locking lever 16 can spring open to the outside and, depending on the extent of the movement of the movable cutting jaw 23, the locking lug 30 slide over the toothing 32 with successive engagement in the passages between the teeth of the toothing 32.
  • the closing actuating forces are reduced and eliminated and instead the hand levers 2, 3 opened again for a further partial working stroke of the hand tool 1, the engagement of the detent 30 of the detent lever 16 in the last tooth space of the toothing 32 reached a previously reached closed position of the cutting jaws 23, 26 while securing them Opening movement of the push lever 19 can spring up and the teeth 31 of the push lever 19 can slide over the teeth 32 of the movable cutting jaw 23.
  • the maximum opening position is not predetermined by the contact of the projection 33 of the hand lever plate 5 with the lever part 34 of the latching lever 16. Rather, for actuated latching lever 16, the projection 33 with the opening movement of the hand lever 3, the lever part 34 happen, which enables a second maximum opening angle, which is larger than the first maximum opening angle according to Fig. 3 . In the The second maximum opening position then engages the projection 33 of the hand lever plate 5 behind the lever part 34.
  • the opening spring 11 acts on the hand lever part 34 in the opening direction of the locking lever 16 via the projection 33, so that the locking lever 16 is also secured in one position in the second maximum opening position.
  • the contact surface 35 of the projection 33 slides away from the pivot pin 17 along the associated contact surface 36 of the lever part 34.
  • the frictional force between the contact surface 35 and the contact surface 36 depends exclusively on the force of the actuating spring 13.
  • the contact surface 35 is concentric with the pivot axis without the pivoting of the locking lever 16 of the pivot bearing 52 is formed. If at the end of this sliding movement the projection 33 and the lever part 34 disengage, the actuating spring 13 can come into effect by pivoting the locking lever 16 in the direction of the toothing 32 to bring about the engagement of the locking lug 30.
  • the outer end face 69 of the lever part 34 then (again) forms a stop 67 for the projection 33, which limits the opening position of the hand levers 2, 3 to the first maximum opening position.
  • the locking lever 22 can be pivoted inwards about the pivot bearing 21 in such a way that it engages in a form-fitting manner in a recess of the cutting jaw 23, not shown here, which fixes the position of the hand lever 3. This is advantageous for the compact storage of the hand tool with closed hand levers 2, 3, for example in a tool box.
  • the hand levers are closed by moving the movable hand lever in a clockwise direction, which means that the movable cutting jaw is also operated in the same direction, ie clockwise here.
  • the movement of the movable hand lever 3 is carried out in a clockwise direction, with the associated movement of the movable cutting jaw 23 in the counterclockwise direction.
  • the thrust lever force component 55 exerted on the thrust lever 19 by the toothing and which generates a moment around the pivot bearing 52 has the same direction as that applied by the user to the hand lever 3 Operating force component 56, which acts around the pivot bearing 52.
  • the movable hand lever only forms a swivel arm with respect to the pivot bearing for the articulation of the movable hand lever on the fixed hand lever, on which both the actuating force component and the push lever force component act on the same side of the pivot bearing, forms for the illustrated one Embodiment of the hand lever 3 or the hand lever plate 5 on both sides of the pivot bearing 52 lever parts, with the push lever 19 being articulated on one lever part, so that the push lever force component 55 acts thereon, while the actuating force component 56 acts on the other lever part.
  • the latching lever 16 directly and integrally forms an actuating member 57, which is in particular the end region of the latching lever 16 which projects from the pliers head and is accessible from the outside.
  • the locking lever 16 is not unlocked via further components and / or an intermediate gear connection.
  • a base point of the loading spring 13 acts on the push lever 19 in the direction of the toothing 32 of the movable cutting jaw 23, while the other base point of the loading spring 13 acts on the latching lever 16 in the direction of the toothing 32 of the movable cutting jaw 23, with which the loading spring 13 is used multifunctionally.
  • the multifunctional loading spring 13 for loading both the latching lever 16 and the push lever 19 and, on the other hand, a separate opening spring 11 for loading the hand levers 2, 3 in the opening direction are used.
  • the opening spring 11 generates in the open position according to Fig. 3 a contact force with which the projection 33 is pressed in the direction of the pivot pin 17 against the outer end face 69 of the lever part 34 of the locking lever 16.
  • the end face 69 of the lever part 34 thus forms a stop 67 for the hand lever 3 or the hand lever plate 5.
  • the locking lever 16 is pivoted in the direction of the handle 7, that is to say from away from the pliers head.
  • the pivoting movement for unlocking the locking lever 16 can be brought about with the thumb, while the rest of the hand of the user continues on the Hand lever 3 or even against both hand levers 2, 3.
  • the radial extent of the lever part 34 that is to say the distance between the radially outer end face 69 of the lever part 34 and the lateral surface of the pivot pin 17, specifies the difference between the first maximum opening position and the second maximum opening position.
  • the pivoting of the movable cutting jaw 23 and the movable hand lever 3 or the hand lever plate 5 is preferably carried out in the same plane which is arranged between the two housing plates 9, 27.
  • the pivoting of the locking lever 16 and the push lever 19 also takes place in this plane.
  • the hand tool 1 is made modular or in a modular principle in order to reduce the variety of components, simplify storage and manufacture.
  • the hand tool 1 is formed with a pliers head module 38, a gear module 39 and at least one hand lever module 40.
  • the gear module 39 has the gear elements such as the locking lever 16, the push lever 19 and at least the part of the hand lever plate 5 forming the pivot bearing 20, the spacers 14, 15, 18 and / or the pivot bolts 10, 17 and / or the bolt 12, which can be held captive thereon or can only be loosely connected to it before the transmission module 39 is connected to other modules.
  • the gear module 39 is not designed to be closed on both sides of the pliers head level, but rather is only delimited on one side by the housing plate 9, while the aforementioned components of the gear module 39 are freely accessible from the other side via an opening 63.
  • the spacers 14, 15, 18, the bolt 12, the pivot bolt 10 and the pivot bolt 17 are preferably only received, supported or held in the housing plate 9 in one of their end regions, while the aforementioned other components and the other end region can be supported thereon the assembly of the pliers head module 38 is still free.
  • the transmission module 39 also integrally forms the hand lever plate 4 and the hand lever plate 5 also extends in one piece into the transmission module 39, with which a basic module 41 is formed.
  • the basic module 41 on the one hand provides the support elements for the handles 6, 7 and on the other hand the housing plate 9 and the components of the transmission module 39 held thereon.
  • Fig. 9 The same basic module 41 can be optionally combined by the manufacturer with the different pliers head modules 38a, 38b, 38c. No adjustments to the components of the transmission module 39 or basic module 41 are required for this, in particular no change in shape or contour, no exchange of components and / or no adjustment of bore diameters or the adjustment of a bore pattern.
  • the pliers head module 38a is a so-called front cutting pliers head module, in which the receptacle 28 formed by the cutting jaws 23, 26 is not closed in the circumferential direction, but rather is open (for example U-shaped or V-shaped).
  • the pliers head modules 38b, 38c are wrap-around pliers head modules in which the cutting jaws 23, 26 delimit a receptacle 28 which is closed in the circumferential direction at the beginning of the working stroke and during the entire working stroke.
  • the pliers head modules 38b, 38c differ with regard to the size of the cutting jaws 23, 26, the receptacle formed 28, the cutting contour 29 and with regard to the workpieces and geometries thereof to be machined with the pliers head modules 38b, 38c.
  • the pliers head modules 38a, 38b, 38c each have a housing plate 27, which have the same bores at the same locations, with the same relative positions and the same diameters. These bores are explained by way of example using the pliers head module 38a, this correspondingly correspondingly applying to the pliers head modules 38b, 38c:
  • a bore 42 serves to receive the spacer 14.
  • a bore 43 serves to receive the pivot pin 10.
  • a bore 44 serves to receive the pivot bolt 17 or spacer 18, while an adjacent bore 45 serves to receive the bolt 12.
  • Another bore 45 arranged in the lower end region of the housing plate serves to receive the spacer 15.
  • Another bore 46 serves to receive an end region of a base point of the opening spring 11, here a leg of the spiral or leg spring.
  • the housing plate 27 of the pliers head module 38 can preferably be equipped with an additional bore 47, which according to the application Fig. 9 has no function.
  • a pliers head module 38b (and correspondingly also other pliers head modules 38a, 38c) with different basic modules 41a, 41b, 41c can take place, these basic modules 41a, 41b, 41c preferably using identical gear modules 39 and in particular identical housing plates 9 with identical drilling patterns and bore diameters as well have identical gear elements such as locking lever 16 and push lever 19.
  • these basic modules 41a, 41b, 41c preferably using identical gear modules 39 and in particular identical housing plates 9 with identical drilling patterns and bore diameters as well have identical gear elements such as locking lever 16 and push lever 19.
  • the spacers, locking levers, thrust levers, pivot bolts and the different springs as well as the locking lever are only shown for the basic module 41b, although these are also present identically for the basic modules 41a, 41c.
  • the basic module 41a has hand lever extensions 48, 49, which are plate-like extensions which partially overlap and are connected to the hand lever plates 4, 5, in particular by riveting, screwing, cohesive connection and the like.
  • reinforcements 50, 51 are provided for the basic module 41c in the area of the hand levers 2, 3, which extend parallel to the hand lever plates 4, 5 in the area of the hand levers 2, 3 and which, kept at a distance, from the hand lever plates 4, 5 to be worn.
  • the reinforcement 50 is supported for this in the end area facing the transmission module 39 from the spacer 15 on the housing plate 9.
  • a further spacer not shown here, is used, which is accommodated in the bore 47 of the housing plate 27 and a corresponding bore of the reinforcement 50.
  • An additional fastening in particular screwing, riveting or material connection, can in particular by using additional spacers Area of the handles 2, 3 take place.
  • the housing plate 9 and the hand lever plate 4 were formed in one piece, shows Fig. 11 an embodiment in which they are formed separately from one another, with which the housing plate 9 is part of the transmission module 39, while the hand lever plate 4 is part of a hand lever module 40.
  • FIG. 11 different hand lever modules 40a, 40b, which can optionally be connected to a transmission module 39.
  • the connection takes place both via the spacer 15 and also via a further spacer which extends through the bore 47.
  • a basic module 41 of this type, formed with the hand lever module 40a, 40b and the transmission module 39, can then optionally be mounted with a pliers head module 38b (or also 38a, 38c).
  • the hand lever module 40b has a configuration which has recessed grips for the fingers of the hand of the user of the hand tool 1.
  • the gear module 39 forms an interface 58, via which the gear module 39 can be mounted with a corresponding counter interface 59 of a pliers head module 38, which is formed here by the housing plate 27.
  • the interface 58 of the transmission module 39 is preferably formed with the free end regions of the spacers 14, 15, 18, the pivot pin 10 and the bolt 12.
  • the counter interface 59 is formed with the bores 42 to 47.
  • the transmission modules 39 accordingly have also interfaces 60, via which these can be coupled to identical counter-interfaces 61 of different hand lever modules 40a, 40b, 40c.
  • the interfaces 60 are formed by bores and / or the spacer 15, as well as further bores 62, on which the hand lever modules 40a, 40b, 40c can be mounted.
  • the housing plate 27 of the pliers head module 38 is preferably formed in one piece with the fixed cutting jaw 26.
  • the pliers head module 38 preferably consists exclusively of a base body 66 formed with the housing plate 27 and the fixed cutting jaw 26, which in particular is of flat design, the movable cutting jaw 23 and the components which are required for forming the pivot bearing 25.
  • the base body 66, which forms the cutting jaw 26 and the housing plate 27, is preferably designed as an investment casting.
  • the hand lever plates 4, 5 with the housing plate 9 they can be produced by stamping.
  • the same hand tool 1 can be designed on the one hand only with one hand lever plate per hand lever and on the other hand with double hand lever plates per hand lever, the latter embodiment providing a hand tool 1 with increased rigidity and strength.
  • the pivot bearing 52 and a longitudinal axis 64 extending therefrom divides the hand tool 1 into a right half longitudinal plane and a left half longitudinal plane 65.
  • the handle 7 of the movable hand lever 3 and the latching lever 16 including its bearing in the region of the pivot bearing 53 are in the same Semi-longitudinal plane 65 arranged. If the hand lever 3 for opening the hand lever 2, 3 in Fig. 3 pivoted clockwise, this correlates with a pivoting of the locking lever 16 to unlock it from the toothing 32 counterclockwise.
  • the actuator 57 of the locking lever 16 and the handle 7 of the movable hand lever 3 are arranged on the same side of the hand tool 1.
  • a hand tool 1 of the present type is also referred to elsewhere as a "ratchet cutter”.
  • the catch 30 of the catch lever 16 engages in front of the push lever 19 in the toothing 32 of the movable cutting jaw.
  • the latching lever 16 has a longer lever part, the end region of which, remote from the pivot bearing 53, forms the actuating member 57.
  • the detent 30 is formed on this lever part between the pivot bearing 53 and the actuating member 57. This lever part forms approximately a right angle with the lever part 34.
  • the locking lever 16 has only a locking lug 30.
  • the locking lever 16 can also be designed with a locking toothing which engages in the toothing 32 of the movable cutting jaw 23.
  • a gear is interposed between the hand levers 2, 3 and the cutting jaws 23, 26 and has the thrust lever 19 and the locking lever 16 as gear elements arranged parallel to one another in the power flow.
  • the gear unit is open on the side and, in the assembled state, is delimited in one direction by a housing plate 9, 27 transversely to the pliers head plane.
  • the gear module 39 without the pliers head module 38 mounted thereon is limited in one direction by the housing plate 9 transversely to the pliers head plane.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Scissors And Nippers (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
  • Clamps And Clips (AREA)
EP15191261.5A 2015-10-23 2015-10-23 Gruppe von handzangen Active EP3159107B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP15191261.5A EP3159107B1 (de) 2015-10-23 2015-10-23 Gruppe von handzangen
TW105130812A TWI694901B (zh) 2015-10-23 2016-09-23 手壓鉗組
JP2016206314A JP6884951B6 (ja) 2015-10-23 2016-10-20 ハンドプライヤ群
US15/299,697 US20170113358A1 (en) 2015-10-23 2016-10-21 Group of Manual Pliers
CN201610920862.5A CN106808383B (zh) 2015-10-23 2016-10-21 手钳
US16/884,656 US11794361B2 (en) 2015-10-23 2020-05-27 Group of manual pliers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15191261.5A EP3159107B1 (de) 2015-10-23 2015-10-23 Gruppe von handzangen

Publications (2)

Publication Number Publication Date
EP3159107A1 EP3159107A1 (de) 2017-04-26
EP3159107B1 true EP3159107B1 (de) 2020-05-06

Family

ID=54360161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15191261.5A Active EP3159107B1 (de) 2015-10-23 2015-10-23 Gruppe von handzangen

Country Status (5)

Country Link
US (2) US20170113358A1 (zh)
EP (1) EP3159107B1 (zh)
JP (1) JP6884951B6 (zh)
CN (1) CN106808383B (zh)
TW (1) TWI694901B (zh)

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US12015233B2 (en) 2019-12-11 2024-06-18 Wezag Gmbh & Co. Kg Hand pliers tool and method for assembling the same

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EP3159107B1 (de) * 2015-10-23 2020-05-06 Wezag GmbH Werkzeugfabrik Gruppe von handzangen
EP3396796B1 (de) 2017-04-25 2021-07-21 WEZAG GmbH & Co. KG Press-, crimp- oder schneidwerkzeug sowie werkzeuggruppe
EP3412412A1 (de) 2017-06-09 2018-12-12 Wezag GmbH Werkzeugfabrik Manuell betätigtes handwerkzeug
TWI751903B (zh) * 2021-02-03 2022-01-01 日崟興業股份有限公司 具快進模式的剪裁工具

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Also Published As

Publication number Publication date
JP6884951B2 (ja) 2021-06-09
TW201718185A (zh) 2017-06-01
TWI694901B (zh) 2020-06-01
US11794361B2 (en) 2023-10-24
EP3159107A1 (de) 2017-04-26
CN106808383A (zh) 2017-06-09
JP2017080874A (ja) 2017-05-18
JP6884951B6 (ja) 2021-08-25
US20170113358A1 (en) 2017-04-27
CN106808383B (zh) 2021-03-09
US20200376693A1 (en) 2020-12-03

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