EP3553900B1 - Forceps jaw pan constructed as an assembly of plates and crimping tool having a forceps jaw pan - Google Patents
Forceps jaw pan constructed as an assembly of plates and crimping tool having a forceps jaw pan Download PDFInfo
- Publication number
- EP3553900B1 EP3553900B1 EP18166739.5A EP18166739A EP3553900B1 EP 3553900 B1 EP3553900 B1 EP 3553900B1 EP 18166739 A EP18166739 A EP 18166739A EP 3553900 B1 EP3553900 B1 EP 3553900B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pliers
- jaw
- sheet
- pliers jaw
- leg
- 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
Links
- 238000002788 crimping Methods 0.000 title claims description 81
- 230000007704 transition Effects 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims 8
- 210000002414 leg Anatomy 0.000 description 53
- 210000000629 knee joint Anatomy 0.000 description 9
- 210000000080 chela (arthropods) Anatomy 0.000 description 8
- 239000004020 conductor Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000001154 acute effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000003127 knee Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Images
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
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/146—Clip clamping hand tools
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/042—Hand tools for crimping
-
- 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
- B25B7/02—Jaws
- B25B7/04—Jaws adjustable
Definitions
- the publication DE 198 02 287 C1 discloses crimping pliers having fixed pliers.
- a fixed hand lever is connected in one piece to a fixed pliers jaw.
- a pliers pivot jaw is pivotally mounted on the fixed pliers part in a scissor-like manner.
- the pliers swivel jaw has a support plate and two pliers jaw plates.
- the pliers jaw plates are arranged with an overlap on both sides of the support plate.
- the pliers jaw plates are held in the area of the overlaps by two bolts on the support plate.
- the support plate protrudes from the side facing away from the pliers head Overlaps out. In the projecting end area, the support plate is pivotally connected to a movable hand lever.
- the movable hand lever is pivotally supported on the fixed hand lever via a pressure lever to form a toggle lever drive.
- the pliers jaw plates protrude from the overlaps.
- a receiving space of a receptacle for a die insert is formed between the pliers jaw plates.
- the die insert has a die plate and two support elements.
- the die plate forms a flange arranged in the receiving space of the receptacle and a section protruding in the direction of the fixed pliers jaw from the pliers jaw plates.
- the outer end face of the protruding section of the die plate forms several dies.
- the die plate has holes in the transition area between the flange and the projecting section.
- the bores are spaced apart from one another in a support plane.
- the support plane is oriented transversely to the crimping force acting between the dies.
- the support elements designed as cross bolts are fastened in the bores or received with a press fit.
- the cross bolts protrude from the die plate on both sides.
- the pliers jaw plates have open-edged recesses on the side facing the fixed pliers jaw.
- the recesses can be semi-cylindrical or have a polygonal, half-open cross section. If the die insert is inserted into the receptacle formed by the pliers jaw plates, the crossbeams are accommodated in the recesses that are open at the edge and fit securely.
- both the pliers jaw plates and the die insert can have a through hole or a threaded hole, via which the die insert can be fastened to the pliers jaw plates with a fastening screw or a bolt.
- the bolts for fastening the pliers jaw plates to the support plate are arranged on a connecting axis, which is arranged approximately parallel to the longitudinal extension of the movable hand lever.
- the connection axis is oriented at an acute angle of approx. 20 ° to the support plane.
- the main direction of extension of the overlaps of the support plate and the pliers jaw plates is oriented parallel to the hand levers and / or at the aforementioned acute angle to the support plane.
- the publication DE 20 2006 012 869 U1 discloses a crimping pliers with a fixed pliers part, which integrally forms a fixed hand lever and a fixed pliers jaw.
- a movable pliers swivel jaw is constructed in plate construction and is pivotably articulated in a swivel bearing on the fixed pliers part.
- the pliers swivel jaw has a support plate and a pliers jaw plate attached to it, which forms a receptacle for a die insert.
- the movable hand lever is articulated on the support plate via a swivel bearing, the movable hand lever being additionally articulated on the fixed hand lever via a pressure lever.
- the pliers jaw plate is approximately triangular, the receptacle for the die insert being formed in the area of one side of the triangle, a side of the triangle adjacent to this side prescribing the outer contour of the pliers pivoting jaw in the area of the pliers head and the fastening bolts for fastening the support plate in the area of the third side are provided on the pliers jaw plate.
- a connecting axis of the longitudinal axes of the fastening bolts is oriented parallel to this third side.
- the first side of the triangle for the formation of the receptacle for the die insert and the connecting axis form an angle of approximately 120 °.
- the publication DE 20 2013 102 833 U1 discloses the use of a corresponding pliers swivel jaw for a crimping tool that is powered by external energy, here electro-hydraulically.
- the invention proposes a pliers swivel jaw, which is made in plate construction. Sheets with the required thicknesses and mechanical properties can be obtained inexpensively as semi-finished products. The plates can be brought into the required dimensions and geometries using inexpensive known manufacturing processes.
- the pliers swivel jaw according to the invention is used in a manually operated crimping tool, as described at the beginning.
- the tong swivel jaw has a support plate and (at least) one tong jaw plate.
- the pliers jaw plate can immediately form a receptacle for a die insert.
- the pliers jaw plate carries such a receptacle, with which the receptacle can also be held interchangeably on the pliers jaw plate.
- the pliers jaw plate specifies a support plane of the receptacle for supporting a crimping force acting on the die insert.
- the support plane is preferably oriented vertically to the crimping force or at most forms an acute angle of less than 30 °, less than 20 ° or less than 15 ° or less than 10 ° or even less than 5 ° with respect to the plane which is oriented vertically to the crimping force .
- the pliers jaw plate is arranged with an overlap on one side of the support plate, the pliers jaw plate preferably abutting directly on the support plate with the overlap. In the area of the overlap, the pliers jaw plate is held on the support plate by (exactly) two bolts.
- the pliers jaw plate and the support plate can have aligned bores. The bolts can be received in the aligned holes. It is possible that the pliers jaw plate is held on the support plate by means of a screw bolt.
- the pliers jaw plate can be held on the support plate by means of a pin-like or cylindrical bolt, which has a press fit or a transition fit in the bores of the pliers jaw plate and the support plate is arranged, can have a thickening or a retaining ring received in a groove on one side and can have a retaining ring received in a groove on the other side.
- the pliers jaw plate and the support plate can then be caught between the projection or the circlips and the circlip.
- an angle between a connecting axis of the longitudinal axes of the bolts and the support plane in a pliers head plane is 90 ° ⁇ 30 ° (preferably ⁇ 20 °, ⁇ 15 °, ⁇ 10 ° or ⁇ 5 °).
- the invention leaves the path previously followed according to the prior art in that the connecting axis of the longitudinal axes of the bolts must be arranged as parallel as possible to the support plane.
- the pincer swivel jaw acts in the manner of a straight-line lever with regard to the introduction of the crimping force and the pin forces of the pins oriented parallel to the crimping force, by means of which the pincer jaw plate is held on the support plate should be formed, at one end the crimping force acts, at the other end a bolt force acts and finally the other bolt force acts approximately in the middle.
- the person skilled in the art has assumed good force absorption by the bolts and thus high strength.
- the force ratios are not (substantially) worse or can even be improved if the angle according to the invention of approximately 90 ° is chosen between the connecting axis of the longitudinal axes of the bolts and the support plane.
- the introduction points of the crimping force and the two bolt forces are on the corners of a square in view of the selected angle between the connecting axis of the longitudinal axes of the bolts and the support plane, the maximum bolt force acting on the bolts as a result of the crimping force is only half is as large as this when the crimping force is introduced in one end region of a straight-line lever which is supported in the middle and in the other end region by the bolts.
- the configuration according to the invention thus leads to a reduction in the mechanical stress on the components involved.
- the pliers jaw plate is L-shaped.
- the two legs of the L are formed by a fastening leg and a jaw leg.
- the mounting leg is preferably used to attach the pliers jaw plate to the support plate.
- the pliers jaw leg preferably serves the actual formation of the pliers jaw plate and the support or formation of the receptacle for the die insert.
- a bolt extends through the transition area in which the transition from the fastening leg to the pliers jaw leg takes place (that is to say in the corner area of the L).
- a bolt can extend through the free end region of the fastening leg. This results in a particularly compact design in which the material of the pliers jaw plate is used optimally.
- the pivot bearing coincides with a bolt for fastening the jaw plate to the support plate.
- the bolt which extends through the free end region of the fastening leg of the pliers jaw plate is a pivot bolt of the crimping pliers, by means of which the pliers pivot jaw is pivotably mounted relative to the fixed pliers jaw.
- the bolt can be used in a multifunctional manner: On the one hand, the bolt forms the pivot bolt for the pivotable mounting of the pliers swivel jaw relative to the fixed pliers jaw. On the other hand, the bolt is used to attach the pliers jaw plate to the support plate. This results in a particularly compact embodiment and a reduction in the number of components involved.
- Another embodiment of the invention is devoted to the arrangement of a die insert on the pliers pivot jaw.
- any receptacles known from the prior art can be used for the die insert on the pliers swivel jaw according to the invention become.
- the holder of the pliers jaw plate has two holders for supporting elements of a die insert.
- the recordings are convex and are spaced apart from one another in a projection onto the support plane.
- At least one component of a crimping force acting on the die insert, which is oriented vertically to the support plane, can be transferred from the die insert to the pliers jaw plate via the receptacles and the supporting elements of a die insert arranged therein.
- the convex receptacles can be designed as open-edged recesses, while the supporting elements can be designed as cross bolts projecting from a die plate, as is described in the document DE 198 02 287 C1 is described.
- the pamphlet DE 198 02 287 C1 is referred to for further details.
- the disclosure of the document DE 198 02 287 C1 is made the subject of the present disclosure with respect to the formation of the receiving space for the die insert and with regard to the attachment and support of the die insert to the pliers jaw plates.
- the holder of the pliers jaw plate it is possible for the holder of the pliers jaw plate to have a hole for a fastening screw.
- the die insert can then be attached to the pliers swivel jaw using the fastening screw.
- the actual absorption of the high crimping forces can nevertheless take place via the support of a supporting element of a die insert on a convex reception of the pliers jaw plate.
- the longitudinal extension of the fastening leg of the pliers jaw plate is greater than half of the transverse extension of the pliers head (in particular greater than half of the transverse extension of the pliers head in the region of the swivel joint, via which the pliers pivot jaw is pivotably held on the fixed pliers jaw).
- pliers jaw plates are arranged on both sides of the support plate.
- the two pliers jaw plates can have the same or different geometry (s).
- the two pliers jaw plates are then on via the two bolts the support plate held. The holding over the bolts takes place in the area of (preferably corresponding) overlaps of the two pliers jaw plates with the support plate.
- the pliers swivel jaw can be constructed symmetrically.
- the two pliers jaw plates can be arranged symmetrically to a center plane of the pliers head.
- the two pliers jaw plates can then serve together to form or support the receptacle for the die insert.
- the thickness of the support plate in the area of the overlaps with the pliers jaw plates corresponds to the thickness of a die insert (in particular in the area of a flange of a die plate).
- the thickness of the support plate also specifies an extension of a receiving space of the receptacle, which is formed between the pliers jaw plates.
- the flange of the die insert can be inserted into the receiving space.
- the die insert can already be guided or supported flatly in the area of its flange between the pliers jaw plates.
- Supplementary support can be provided by means of a fastening screw and / or the support elements supported in the convex receptacles.
- a pliers swivel jaw according to the invention can be integrated into any crimping pliers with any drive kinematics.
- the crimping tool has a toggle lever drive.
- the toggle lever drive is actuated via the hand lever, and part of a hand lever can also form a toggle lever of the toggle lever drive (cf. for example the prior art mentioned at the beginning DE 198 02 287 C1 ).
- a toggle lever of the toggle lever drive is articulated on the support plate.
- the support plate can have a bore which can form a bearing eye for a pivot pin.
- the support plate carries a pivot pin in a bore.
- the pliers pivot jaw (which is formed with the support plate and the at least one pliers jaw plate) is basically designed according to a T in a plan view of the pliers head plane.
- a first horizontal leg of the T is formed by the pincer jaw leg of the pincer jaw plate.
- a second horizontal leg of the T is formed by the support plate.
- the pivot bearing In the free end area of the second Horizontal leg of the T is then formed the pivot bearing, in the area of which the jaw pivot jaw can be actuated via the toggle lever drive.
- the overlap of the support plate with the pliers jaw plate (here the fastening leg of the pliers jaw plate) is arranged.
- the pivot bearing is preferably arranged, by means of which the pincer pivot jaw is pivotably mounted on the fixed pincer jaw.
- the support plate has a fastening leg and a swivel arm leg.
- the fastening leg and the swivel arm leg are arranged in an L-shape.
- the pivot arm leg of the support plate is arranged approximately parallel to the jaw jaw leg of the at least one jaw jaw plate.
- approximately parallel means that the swivel arm leg of the support plate and the pincer jaw leg of the at least one pincer jaw plate form an angle of less than 30 °, less than 20 ° or less than 10 ° to one another.
- a pivot bearing is arranged in the free end region of the swivel arm leg.
- the swivel jaw of the pliers can be pivoted to a pliers head, a fixed part of the pliers or a hand lever via this pivot bearing.
- Fig. 1 and 2nd show a crimping tool 1 according to the prior art, in particular according to the document DE 198 02 287 C1 .
- the crimping pliers 1 have a fixed pliers part 2, a movable pliers part 3 and a toggle lever drive 4 which is formed with a movable hand lever 5.
- the fixed pliers part 2 forms in one piece a fixed hand lever 6 and a fixed pliers jaw 7.
- the toggle lever drive 4 has toggle levers 8, 10.
- the toggle lever 8 is designed as a pressure lever 9.
- the toggle lever 10 is formed from the front end portion of the movable hand lever 5.
- the toggle levers 8, 10 are connected to one another via a knee joint 11.
- the knee joint 11 is designed as a pivot bearing 12 with a pivot pin 13.
- the end region of the toggle lever 8 facing away from the knee joint 11 is articulated in a pivot bearing 14 with a pivot pin 15 on the fixed pliers part 2.
- the toggle lever 10 and thus the movable hand lever 5 are articulated on the movable pliers part 3 via a pivot bearing 16 with a pivot pin 17.
- the movable pliers part 3 is a movable pliers pivot jaw 18.
- the pliers pivot jaw 18 has a support plate 23.
- the pivot bearing 20 is formed with the support plate 23.
- the support plate 23 can have a through hole for receiving the pivot pin 19.
- Pliers jaw plates 25a, 25b are arranged with overlaps 24a, 24b on both sides of the support plate 23. In the area of the overlaps 24a, 24b, the support plate 23 and the jaw plates 25a, 25b are fastened to one another via bolts 27, 28.
- the bolts 27, 28 extend vertically to the plane of extension of the support plate 23 and the pliers jaw plates 25a, 25b and to a pliers head plane 62 which corresponds to the plane of the drawing Fig. 1 corresponds.
- the bolts 27, 28 extend through aligned bores of the support plate 23 and the pliers jaw plates 25.
- the bolts 27, 28 are secured here by means of locking rings 29, 30.
- the support plate 23 is approximately triangular (here with rounded corners).
- the pivot bearing 16 In the area of Fig. 1 is the right corner of the support plate 23, the pivot bearing 16, so that here the support plate 23 has a bore.
- the swivel bearing 20 In the area of Fig. 1 The swivel bearing 20 is located in the upper corner of the support plate 23, so that the support plate 23 has a corresponding bore here.
- the overlap 24 is in the area of the in Fig. 1 lower left part of the triangle.
- the bolt 27 is arranged in the area of the left corner of the triangle.
- the bolt 28 is arranged approximately in the middle of the base leg of the triangle.
- a crimping force acts on the pliers swivel jaw 18 in the area of the receptacle 22b and the distance of the force application of the crimping force from the bolt 27 corresponds to the distance between the bolt 27 and the bolt 28.
- the crimping force acting on the pliers swivel jaw 18 causes one in Fig. 1 vertically oriented bolt force on the bolt 27, which is twice the crimping force.
- the bolt 28 is then subjected to a bolt force which approximately corresponds to the crimping force.
- the receptacles 22 are formed for a die insert with a receptacle space 31a, 31b.
- the receiving space 31a is formed in the space between the jaw plates 25a, 25b.
- the receiving space 31b is formed in the space between two pliers part plates 32a, 32b of the fixed pliers part 2.
- a flange of a die insert can be inserted into the receiving spaces 31 and can be guided and / or supported there, cf. DE 198 02 287 C1 .
- the pliers jaw plates 25a, 25b (just like the pliers sub-plates 32a, 32b) have convex receptacles 33, 34 for a supporting element (in particular a cross bolt) of a die insert and a fastening bore 35, via which a die insert with the pliers jaw plates 25 or the pliers sub-plates 32 can be screwed. Also in this regard, further details on the publication DE 198 02 287 C1 referred.
- the receptacle 22 for the die insert formed with the receptacles 33, 34 for the support elements specifies a support plane 36.
- the support plane 36 is oriented transversely to the crimping force acting on the pliers swivel jaw 18 or deviates from this transverse direction by a maximum of 30 °, a maximum of 20 °, a maximum of 10 ° or a maximum of 5 °.
- the longitudinal axes of the receptacles 33, 34 or the support elements of a die insert arranged therein predetermine or are arranged in the support plane 36. It is also possible for the end faces of the pliers jaw plates 25a, 25b facing the pliers jaw 21 to specify the support plane 36.
- the jaw plates 25a, 25b are designed in a simplified view as a straight lever.
- the crimping force acts on an end region of the lever.
- the support is provided approximately in the middle via the bolt 27. In the other end region, the support is carried out via the bolt 28.
- the pliers jaw plates 25 are oriented approximately parallel to the support plane 36. In the closed position of the hand levers 5, 6, the pliers jaw plates 25 are also oriented with their longitudinal extensions approximately parallel to the hand lever 5.
- the crimping tool 1 has a corresponding design 3 to 6 Via a differently designed pliers pivot jaw 18:
- the pliers jaw plates 25a, 25b are L-shaped.
- the L-shape of the pliers jaw plates 25a, 25b has a fastening leg 37 and a pliers jaw leg 38.
- the bolt 28 is here in the free end region of the Fastening leg 37 arranged.
- the bolt 27 is arranged in the connection area between the fastening leg 37 and the pliers jaw leg 38 (ie in the area of the corner of the L).
- a connecting axis 61 of the longitudinal axes of the bolts 27, 28 is oriented approximately vertically to the support plane 36.
- the support plate 23 is basically in accordance with the exemplary embodiment according to Fig. 1 and 2nd formed, that is, roughly triangular.
- the bolt 28 is not only used for fastening the jaw plates 25a, 25b to the support plate 23. Rather, the bolt 28 simultaneously serves as a pivot bolt 19 for the pivot bearing 20.
- the pivoting of the pliers pivot jaw 18 relative to the fixed pliers jaw 7 is also ensured by means of the bolt 28.
- a pivot pin can thus be saved.
- the pliers pivot jaw 18 can also be shortened, since the horizontal spacing of the bolts 27, 28 according to FIG Fig. 1 and 2nd is not required.
- the two pliers jaw plates 25a, 25b are arranged in external parallel planes, while hand lever plates 39a, 39b of the movable hand lever 5 and the pliers partial plates 32 of the fixed pliers part 2 are arranged internally in adjacent parallel planes thereof.
- the support plate 23 and the pressure lever 9 (which here is part of a positive lock known per se) are in turn arranged in an intermediate space between the latter levels.
- a pliers pivot jaw 18 is pivotably mounted on a fixed pliers part 2 via a pivot bearing 20.
- the pivot bearing 20 is not arranged in the area of a pliers head of the crimping pliers 1, but in the area of the fixed hand lever 6 of the fixed pliers part 2.
- the support plate 23 has a greater extension in the longitudinal direction of the crimping pliers 1 in this case.
- the support plate 23 is formed with two plate-like support plate parts 40a, 40b.
- a spring element 41 is arranged between the support plate parts 40a, 40b, by means of which the opening and closing characteristics of the crimping pliers and the force relationships during opening and closing are influenced.
- the support plate 23 and the support plate parts 40a, 40b are roughly L-shaped.
- the support plate parts 40a, 40b each have a fastening leg 42a, 42b and a swivel arm leg 43a, 43b.
- the swivel arm legs 43a, 43b serve to bridge the distance of the swivel bearing 20 from the pliers head.
- the fastening leg 42 serves to fasten the jaw plates 25a, 25b.
- the overlaps 24a, 24b are formed between the support plate parts 40a, 40b and the pliers jaw plates 25a, 25b in the region of the fastening legs 42a, 42b.
- the toggle lever drive 4 is designed differently than for the exemplary embodiments according to FIG 1 to 6 :
- the movable hand lever 5 is articulated to the fixed pliers part 2 via a pivot bearing 44 with a pivot pin 45, but pivotably.
- the movable hand lever 5 forms a toggle lever 46 between the pivot bearing 44 and a knee joint 47.
- the knee joint 47 has a pivot pin 48.
- a knee lever 49 which is a pressure lever 50, is articulated in the knee joint 47 on the movable hand lever 5.
- the toggle lever 49 is articulated in the end region facing away from the knee joint 47 via a pivot bearing 51 with a pivot pin 52 on the support plate 23.
- This articulation takes place (for example approximately in the middle) in the region of the swivel arm legs 43a, 43b of the support plate parts 40a, 40b.
- two pressure levers 50a, 50b are located outside of the tong part plates 32a, 32b.
- the pivot bolts 52 are passed through elongated holes 53a, 53b of the tong part plates 32a, 32b.
- the elongated holes 53a, 53b are shaped such that they do not hinder the movement of the pivot pin 52 over the crimping stroke. It can also be seen that the crimping pliers 1 according to the 7 to 9 has a forced locking 54.
- the pliers pivot jaw 18 has an approximately Z-shaped geometry in a plan view of the pliers head plane.
- the connecting leg between the two horizontal legs of the Z is oriented vertically.
- the two horizontal legs of the Z in the longitudinal direction of the crimping pliers 1 are arranged offset from one another without overlapping them in the longitudinal direction.
- the lower horizontal leg of the Z is formed by the pliers jaw legs 38 of the pliers jaw plates 25.
- the connecting leg of the Z is formed both by the fastening legs 37 of the pliers jaw plates 25 and the fastening legs 42 of the support plate parts 40.
- the upper horizontal leg of the Z is formed by the swivel arm legs 43 of the support plate parts 40.
- Fig. 8 are inserted into the receptacles 22a, 22b of the fixed jaw 7 and the jaw pivot 18 die inserts 55, 56.
- These have support elements 58, 59.
- the support elements 58, 59 are designed as cross bolts and project from a die plate 57 on both sides.
- the die inserts 55, 56 are arranged and supported in the concave receptacles 33, 34.
- the additional screwing of the die inserts 55, 56 via a fastening screw 60 in the region of the fastening bore 35 can also be seen.
- a connecting axis of the longitudinal axes of the bolts 27, 28 is identified with the reference number 61.
- the angle between this connecting axis 61 and the support plane 36 is preferably 90 ° ⁇ 30 °, for example 90 ° ⁇ 20 ° or 90 ° ⁇ 10 ° or 90 ° ⁇ 5 ° for the configuration according to the invention.
- a pliers head plane 62 denotes a plane in which the pliers pivot jaw 18 is pivoted.
- the pliers head plane 62 corresponds here to the drawing planes Fig. 1 , Fig. 3 , Fig. 4 , Fig. 5 and Fig. 9 , or it is oriented parallel to these drawing levels.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
- Manufacturing Of Electrical Connectors (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Description
Die Erfindung betrifft eine Zangenschwenkbacke in Plattenbauweise, die Einsatz findet in einer manuell betätigten Crimpzange. Mittels der Crimpzange kann über eine manuelle Betätigung von Handhebeln ein Verpressen oder Vercrimpen eines Werkstücks erfolgen. Hierbei dient eine Crimpzange insbesondere einer Herstellung einer dauerhaften mechanischen Verbindung und elektrischen Kontaktierung. Dies erfolgt vorzugsweise durch Vercrimpen eines Steckers mit einem Kabel oder einem elektrischen Leiter beliebiger Bauart. Je nach zum Einsatz kommendem Profil der Gesenke können unterschiedliche Crimpvorgänge mit der Crimpzange ausgeführt werden. Beispielsweise kann es sich um einen geschlossenen Crimp handeln, bei dem der Leiter in eine geschlossene Crimpzone eines Steckers oder in eine geschlossene Hülse eingeführt wird und durch plastische Verformung der Crimpzone oder der Hülse vercrimpt wird. Möglich ist aber auch, dass ein offener Crimp erzeugt wird, bei dem der Stecker eine offene Crimpzone aufweist, in die der Leiter von oben eingelegt werden kann. Um lediglich einige, die Erfindung nicht beschränkende Beispiele zu nennen, können mit dem hier einschlägigen Crimpwerkzeug
- Kabelschuhe nach DIN 4623,
- Aluminiumverbinder nach DIN 46329
- Aluminium-Presskabelschuhe nach DIN 48201
- Quetschkabelschuhe nach DIN 46234,
- Stiftkabelschuhe nach DIN 46230 oder
- Verbinder, Stecker oder Kabelschuhe für eine Verbindung mit einem Kabel oder Leiter, wie diese in dem Produktkatalog der WEZAG GmbH Werkzeugfabrik "Werkzeuge für die professionelle Anwendung" mit der Veröffentlichungs-Nr. 10/11 beschrieben sind,
- Cable lugs according to DIN 4623,
- Aluminum connector according to DIN 46329
- Aluminum compression cable lugs according to DIN 48201
- Crimp cable lugs to DIN 46234,
- Pin cable lugs according to DIN 46230 or
- Connectors, plugs or cable lugs for a connection with a cable or conductor, as described in the product catalog of WEZAG GmbH tool factory "Tools for professional use" with the publication no. 10/11 are described
Zusätzlich zur Herstellung der elektrischen Verbindung zwischen Kabel oder Leiter und Stecker kann eine mechanische Verbindung mittels eines sogenannten Isolationscrimps hergestellt werden. Hierbei kann ein geschlossener Isolationscrimp oder ein offener Isolationscrimp (insbesondere V-Crimp oder B-Crimp, O-Crimp oder OV-Crimp) Einsatz finden. Hinsichtlich weiterer Informationen
- zur Ausgestaltung einer gattungsgemäßen Crimpzange,
- zu möglichen Einsatzbereichen der gattungsgemäßen Crimpzange und/oder
- zu unterschiedlichen möglichen Typen von Crimpverbindungen, welche mittels der gattungsgemäßen Crimpzange hergestellt werden können,
- "
Crimptechnik, Herstellung prozesssicherer Verbindungen von elektrischen Leitern und Steckern" der WEZAG GmbH Werkzeugfabrik, Die Bibliothek der Technik 342, Verlag Moderne Industrie, ISBN 978-3-68236-027-7
- for the design of a generic crimping tool,
- to possible areas of application of the generic crimping tool and / or
- to different possible types of crimp connections, which can be produced using the generic crimping tool,
- "
Crimp technology, production of reliable connections of electrical conductors and plugs "from WEZAG GmbH Werkzeugfabrik, Die Bibliothek der Technik 342, Verlag Moderne Industrie, ISBN 978-3-68236-027-7
Die Druckschrift
Die Druckschrift
Die Druckschrift
Der Erfindung liegt die Aufgabe zugrunde, eine Zangenschwenkbacke vorzuschlagen, die insbesondere hinsichtlich
- der mechanischen Festigkeit,
- der Bauraumgestaltung der Zangenschwenkbacke und der Crimpzange,
- der Baugröße der Zangenschwenkbacke und der Crimpzange und/oder
- der Zahl der Bauelemente
- mechanical strength,
- the design of the space for the swivel jaw and crimping tool,
- the size of the pliers swivel jaw and the crimping tool and / or
- the number of components
Die Aufgabe der Erfindung wird erfindungsgemäß mit den Merkmalen der unabhängigen Patentansprüche gelöst. Weitere bevorzugte erfindungsgemäße Ausgestaltungen sind den abhängigen Patentansprüchen zu entnehmen.The object of the invention is achieved according to the invention with the features of the independent claims. Further preferred configurations according to the invention can be found in the dependent patent claims.
Die Erfindung schlägt eine Zangenschwenkbacke vor, die in Plattenbauweise hergestellt ist. Platten mit den erforderlichen Dicken und mechanischen Eigenschaften können kostengünstig als Halbzeug bezogen werden. Die Platten können mittels kostengünstiger bekannter Herstellungsverfahren in die erforderlichen Abmessungen und Geometrien gebracht werden. Die erfindungsgemäße Zangenschwenkbacke findet Einsatz in einer manuell betätigten Crimpzange, wie diese eingangs beschrieben worden ist.The invention proposes a pliers swivel jaw, which is made in plate construction. Sheets with the required thicknesses and mechanical properties can be obtained inexpensively as semi-finished products. The plates can be brought into the required dimensions and geometries using inexpensive known manufacturing processes. The pliers swivel jaw according to the invention is used in a manually operated crimping tool, as described at the beginning.
Die Zangenschwenkbacke weist eine Tragplatte und (mindestens) eine Zangenbackenplatte auf. Die Zangenbackenplatte kann unmittelbar eine Aufnahme für einen Gesenkeinsatz ausbilden. Möglich ist aber auch, dass die Zangenbackenplatte eine derartige Aufnahme trägt, womit die Aufnahme auch auswechselbar an der Zangenbackenplatte gehalten sein kann. Die Zangenbackenplatte gibt eine Abstützebene der Aufnahme für eine Abstützung einer auf den Gesenkeinsatz wirkenden Crimpkraft vor. Die Abstützebene ist vorzugsweise vertikal zur Crimpkraft orientiert oder bildet allenfalls einen spitzen Winkel von weniger als 30°, weniger als 20° oder weniger als 15° oder weniger als 10° oder sogar weniger als 5° gegenüber der Ebene, die vertikal zur Crimpkraft orientiert ist.The tong swivel jaw has a support plate and (at least) one tong jaw plate. The pliers jaw plate can immediately form a receptacle for a die insert. However, it is also possible that the pliers jaw plate carries such a receptacle, with which the receptacle can also be held interchangeably on the pliers jaw plate. The pliers jaw plate specifies a support plane of the receptacle for supporting a crimping force acting on the die insert. The support plane is preferably oriented vertically to the crimping force or at most forms an acute angle of less than 30 °, less than 20 ° or less than 15 ° or less than 10 ° or even less than 5 ° with respect to the plane which is oriented vertically to the crimping force .
Die Zangenbackenplatte ist mit einer Überlappung auf einer Seite der Tragplatte angeordnet, wobei vorzugsweise die Zangenbackenplatte unmittelbar an der Tragplatte mit der Überlappung anliegt. Im Bereich der Überlappung ist die Zangenbackenplatte über (genau) zwei Bolzen an der Tragplatte gehalten. Zu diesem Zweck können die Zangenbackenplatte und die Tragplatte fluchtende Bohrungen aufweisen. In den fluchtenden Bohrungen können die Bolzen aufgenommen werden. Möglich ist, dass das Halten der Zangenbackenplatte an der Tragplatte über einen Schraubbolzen erfolgt. Möglich ist aber auch, dass das Halten der Zangenbackenplatte an der Tragplatte über einen stiftartigen oder zylindrischen Bolzen erfolgt, der mit einer Presspassung oder einer Übergangspassung in den Bohrungen der Zangenbackenplatte und der Tragplatte angeordnet ist, auf einer Seite eine Verdickung oder einen in einer Nut aufgenommenen Sicherungsring aufweisen kann und auf der anderen Seite einen in einer Nut aufgenommenen Sicherungsring aufweisen kann. Die Zangenbackenplatte und die Tragplatte können dann zwischen dem Vorsprung oder dem Sicherungsringen und dem Sicherungsring gefangen sein.The pliers jaw plate is arranged with an overlap on one side of the support plate, the pliers jaw plate preferably abutting directly on the support plate with the overlap. In the area of the overlap, the pliers jaw plate is held on the support plate by (exactly) two bolts. For this purpose, the pliers jaw plate and the support plate can have aligned bores. The bolts can be received in the aligned holes. It is possible that the pliers jaw plate is held on the support plate by means of a screw bolt. It is also possible, however, for the pliers jaw plate to be held on the support plate by means of a pin-like or cylindrical bolt, which has a press fit or a transition fit in the bores of the pliers jaw plate and the support plate is arranged, can have a thickening or a retaining ring received in a groove on one side and can have a retaining ring received in a groove on the other side. The pliers jaw plate and the support plate can then be caught between the projection or the circlips and the circlip.
Erfindungsgemäß wird vorgeschlagen, dass ein Winkel zwischen einer Verbindungsachse der Längsachsen der Bolzen und der Abstützebene in einer Zangenkopfebene 90° ± 30° (vorzugsweise ± 20°, ± 15°, ± 10° oder ± 5°) beträgt. Mit dieser Ausgestaltung verlässt die Erfindung den zuvor gemäß dem Stand der Technik beschrittenen Weg, dass die Verbindungsachse der Längsachsen der Bolzen möglichst parallel zu der Abstützebene angeordnet sein muss. Für die aus dem Stand der Technik bekannten Ausführungsformen ist der Fachmann davon ausgegangen, dass die Zangenschwenkbacke hinsichtlich der Einleitung der Crimpkraft und der parallel zu der Crimpkraft orientierten Bolzenkräfte der Bolzen, über die die Zangenbackenplatte an der Tragplatte gehalten ist, in der Art eines geradlinigen Hebels ausgebildet sein sollte, an dessen einem Ende die Crimpkraft wirkt, an dessen anderem Ende eine Bolzenkraft wirkt und schließlich ungefähr in der Mitte die andere Bolzenkraft wirkt. Der Fachmann ist für diese aus dem Stand der Technik bekannte Wahl der Anordnung der Bolzen zur Verbindung der Zangenbackenplatte und der Tragplatte von einer guten Kraftaufnahme durch die Bolzen und damit einer hohen Festigkeit ausgegangen. Im Rahmen der der Erfindung zugrunde liegenden Überlegungen hat sich überraschend gezeigt, dass die Kraftverhältnisse nicht (wesentlich) schlechter sind oder sogar verbessert werden können, wenn der erfindungsgemäße Winkel von ungefähr 90° zwischen der Verbindungsachse der Längsachsen der Bolzen und der Abstützebene gewählt wird.It is proposed according to the invention that an angle between a connecting axis of the longitudinal axes of the bolts and the support plane in a pliers head plane is 90 ° ± 30 ° (preferably ± 20 °, ± 15 °, ± 10 ° or ± 5 °). With this embodiment, the invention leaves the path previously followed according to the prior art in that the connecting axis of the longitudinal axes of the bolts must be arranged as parallel as possible to the support plane. For the embodiments known from the prior art, the person skilled in the art has assumed that the pincer swivel jaw acts in the manner of a straight-line lever with regard to the introduction of the crimping force and the pin forces of the pins oriented parallel to the crimping force, by means of which the pincer jaw plate is held on the support plate should be formed, at one end the crimping force acts, at the other end a bolt force acts and finally the other bolt force acts approximately in the middle. For this choice of the arrangement of the bolts for connecting the pliers jaw plate and the support plate known from the prior art, the person skilled in the art has assumed good force absorption by the bolts and thus high strength. Within the framework of the considerations underlying the invention, it has surprisingly been found that the force ratios are not (substantially) worse or can even be improved if the angle according to the invention of approximately 90 ° is chosen between the connecting axis of the longitudinal axes of the bolts and the support plane.
Geht man beispielsweise davon aus, dass erfindungsgemäß die Einleitungspunkte der Crimpkraft und der beiden Bolzenkräfte angesichts des gewählten Winkels zwischen der Verbindungsachse der Längsachsen der Bolzen und der Abstützebene auf den Ecken eines Quadrates liegen, ist die infolge der Crimpkraft auf die Bolzen wirkende maximale Bolzenkraft nur halb so groß wie diese ist, wenn die Crimpkraft in einem Endbereich eines geradlinigen Hebels eingeleitet wird, welcher mittig und in dem anderen Endbereich durch die Bolzen abgestützt ist. Somit führt die erfindungsgemäße Ausgestaltung zu einer Verringerung der mechanischen Beanspruchung der beteiligten Bauelemente.For example, if it is assumed that, according to the invention, the introduction points of the crimping force and the two bolt forces are on the corners of a square in view of the selected angle between the connecting axis of the longitudinal axes of the bolts and the support plane, the maximum bolt force acting on the bolts as a result of the crimping force is only half is as large as this when the crimping force is introduced in one end region of a straight-line lever which is supported in the middle and in the other end region by the bolts. The configuration according to the invention thus leads to a reduction in the mechanical stress on the components involved.
Andererseits führt die aus dem Stand der Technik bekannte Anordnung der beiden Bolzen mit der Verbindungsachse der Längsachsen parallel zu der Abstützebene bzw. den Handhebeln dazu, dass die Zangenschwenkbacke in Längsrichtung der Crimpzange eine verhältnismäßig große Baugröße hat, welche durch den erfindungsgemäßen Winkel u. U. auch reduziert werden kann.On the other hand, the arrangement of the two bolts known from the prior art with the connecting axis of the longitudinal axes leads parallel to the support plane or the hand levers to that the pliers swivel jaw in the longitudinal direction of the crimping pliers has a relatively large size, which u. U. can also be reduced.
Schließlich ergibt sich bei Verwendung des erfindungsgemäßen Winkels auch eine Erweiterung der Gestaltungsmöglichkeiten und auch der Beeinflussungsmöglichkeiten des optischen Erscheinungsbildes der Crimpzange.Finally, when using the angle according to the invention, there is also an expansion of the design options and also of the options for influencing the optical appearance of the crimping pliers.
Erfindungsgemäß ist die Zangenbackenplatte L-förmig ausgebildet. Die beiden Schenkel des L sind von einem Befestigungsschenkel und einem Zangenbackenschenkel gebildet. Der Befestigungsschenkel dient hier bevorzugt der Befestigung der Zangenbackenplatte an der Tragplatte. Der Zangenbackenschenkel dient bevorzugt der eigentlichen Ausbildung der Zangenbackenplatte und der Abstützung oder Ausbildung der Aufnahme für den Gesenkeinsatz.According to the pliers jaw plate is L-shaped. The two legs of the L are formed by a fastening leg and a jaw leg. The mounting leg is preferably used to attach the pliers jaw plate to the support plate. The pliers jaw leg preferably serves the actual formation of the pliers jaw plate and the support or formation of the receptacle for the die insert.
Erfindungsgemäß erstreckt sich ein Bolzen durch den Übergangsbereich, in dem der Übergang von dem Befestigungsschenkel zu dem Zangenbackenschenkel erfolgt (also in dem Eckbereich des L). Alternativ oder zusätzlich kann sich ein Bolzen durch den freien Endbereich des Befestigungsschenkels erstrecken. Hieraus ergibt sich eine besonders kompakte Ausgestaltung, bei welcher das Material der Zangenbackenplatte optimal genutzt ist.According to the invention, a bolt extends through the transition area in which the transition from the fastening leg to the pliers jaw leg takes place (that is to say in the corner area of the L). Alternatively or additionally, a bolt can extend through the free end region of the fastening leg. This results in a particularly compact design in which the material of the pliers jaw plate is used optimally.
Erfindungsgemäß fällt das Schwenklager mit einem Bolzen für die Befestigung der Zangenbackenplatte an der Tragplatte zusammen. In diesem Fall ist der Bolzen, der sich durch den freien Endbereich des Befestigungsschenkels der Zangenbackenplatte erstreckt, ein Schwenkbolzen der Crimpzange, über welchen die Zangenschwenkbacke gegenüber der festen Zangenbacke verschwenkbar gelagert ist. Somit kann der Bolzen multifunktional eingesetzt sein: Einerseits bildet der Bolzen den Schwenkbolzen für die verschwenkbare Lagerung der Zangenschwenkbacke gegenüber der festen Zangenbacke. Andererseits wird der Bolzen zur Befestigung der Zangenbackenplatte an der Tragplatte genutzt. Hierdurch ergibt sich eine besonders kompakte Ausführungsform und eine Reduzierung der Zahl der beteiligten Bauelemente.According to the invention, the pivot bearing coincides with a bolt for fastening the jaw plate to the support plate. In this case, the bolt which extends through the free end region of the fastening leg of the pliers jaw plate is a pivot bolt of the crimping pliers, by means of which the pliers pivot jaw is pivotably mounted relative to the fixed pliers jaw. Thus, the bolt can be used in a multifunctional manner: On the one hand, the bolt forms the pivot bolt for the pivotable mounting of the pliers swivel jaw relative to the fixed pliers jaw. On the other hand, the bolt is used to attach the pliers jaw plate to the support plate. This results in a particularly compact embodiment and a reduction in the number of components involved.
Eine weitere Ausgestaltung der Erfindung widmet sich der Anordnung eines Gesenkeinsatzes an der Zangenschwenkbacke. Grundsätzlich können beliebige aus dem Stand der Technik bekannte Aufnahmen für den Gesenkeinsatz an der erfindungsgemäßen Zangenschwenkbacke genutzt werden. Für einen besonderen Vorschlag der Erfindung weist die Aufnahme der Zangenbackenplatte zwei Aufnahmen für Tragelemente eines Gesenkeinsatzes auf. Die Aufnahmen sind konvex ausgebildet und sind in einer Projektion auf die Abstützebene voneinander beabstandet angeordnet. Über die Aufnahmen und die darin angeordneten Tragelemente eines Gesenkeinsatzes ist zumindest eine Komponente einer auf den Gesenkeinsatz wirkenden Crimpkraft, die vertikal zur Abstützebene orientiert ist, von dem Gesenkeinsatz auf die Zangenbackenplatte übertragbar. Zusätzlich möglich ist, dass zwischen den Aufnahmen und den Tragelementen auch eine Abstützung einer Kraft erfolgt, die parallel zur Abstützebene orientiert ist. Um lediglich ein Beispiel für diese Ausgestaltung zu nennen, können die konvexen Aufnahmen als randoffene Ausnehmungen ausgebildet sein, während die Tragelemente als aus einer Gesenkplatte auskragende Querbolzen ausgebildet sein können, wie dies in der Druckschrift
Alternativ oder zusätzlich möglich ist, dass die Aufnahme der Zangenbackenplatte eine Bohrung für eine Befestigungsschraube aufweist. Über die Befestigungsschraube kann dann der Gesenkeinsatz an der Zangenschwenkbacke befestigt werden. Für diese Ausgestaltung kann dennoch die eigentliche Aufnahme der hohen Crimpkräfte über die Abstützung eines Tragelements eines Gesenkeinsatzes an einer konvexen Aufnahme der Zangenbackenplatte erfolgen.Alternatively or in addition, it is possible for the holder of the pliers jaw plate to have a hole for a fastening screw. The die insert can then be attached to the pliers swivel jaw using the fastening screw. For this configuration, the actual absorption of the high crimping forces can nevertheless take place via the support of a supporting element of a die insert on a convex reception of the pliers jaw plate.
Für die Dimensionierung der Zangenschwenkbacke (insbesondere die Längserstreckung des Befestigungsschenkels) gibt es beliebige Möglichkeiten. Für einen Vorschlag der Erfindung ist die Längserstreckung des Befestigungsschenkels der Zangenbackenplatte größer als eine Hälfte der Quererstreckung des Zangenkopfes (insbesondere größer als die Hälfte der Quererstreckung des Zangenkopfes im Bereich des Schwenkgelenks, über welches die Zangenschwenkbacke verschwenkbar an der festen Zangenbacke gehalten ist).There are any number of options for dimensioning the pliers swivel jaw (in particular the longitudinal extent of the fastening leg). For a proposal of the invention, the longitudinal extension of the fastening leg of the pliers jaw plate is greater than half of the transverse extension of the pliers head (in particular greater than half of the transverse extension of the pliers head in the region of the swivel joint, via which the pliers pivot jaw is pivotably held on the fixed pliers jaw).
Grundsätzlich möglich ist, dass lediglich eine Zangenbackenplatte an der Tragplatte gehalten ist. Für einen Vorschlag der Erfindung sind auf beiden Seiten der Tragplatte jeweils Zangenbackenplatten angeordnet. Die beiden Zangenbackenplatten können gleiche oder unterschiedliche Geometrie(n) aufweisen. Die beiden Zangenbackenplatten sind dann über die beiden Bolzen an der Tragplatte gehalten. Das Halten über die Bolzen erfolgt im Bereich von (vorzugsweise korrespondierenden) Überlappungen der beiden Zangenbackenplatten mit der Tragplatte.In principle, it is possible that only one pliers jaw plate is held on the support plate. For a proposal of the invention, pliers jaw plates are arranged on both sides of the support plate. The two pliers jaw plates can have the same or different geometry (s). The two pliers jaw plates are then on via the two bolts the support plate held. The holding over the bolts takes place in the area of (preferably corresponding) overlaps of the two pliers jaw plates with the support plate.
Durch die Verwendung von zwei Zangenbackenplatten kann ein symmetrischer Aufbau der Zangenschwenkbacke erfolgen. Hierbei können die beiden Zangenbackenplatten symmetrisch zu einer Mittenebene des Zangenkopfes angeordnet sein. Die beiden Zangenbackenplatten können dann gemeinsam zur Ausbildung oder Abstützung der Aufnahme für den Gesenkeinsatz dienen. Für einen Vorschlag der Erfindung entspricht die Dicke der Tragplatte im Bereich der Überlappungen mit den Zangenbackenplatten (mit einer Übergangspassung oder einer Spielpassung) der Dicke eines Gesenkeinsatzes (insbesondere im Bereich eines Flansches einer Gesenkplatte). Mit der Dicke der Tragplatte ist auch eine Erstreckung eines Aufnahmeraums der Aufnahme vorgegeben, der zwischen den Zangenbackenplatten ausgebildet wird. In den Aufnahmeraum ist der Flansch des Gesenkeinsatzes einsetzbar. Zwischen den Zangenbackenplatten kann der Gesenkeinsatz im Bereich seines Flansches bereits flächig geführt oder abgestützt sein. Eine ergänzende Abstützung kann über eine Befestigungsschraube und/oder die in den konvexen Aufnahmen abgestützten Tragelemente erfolgen.By using two pliers jaw plates, the pliers swivel jaw can be constructed symmetrically. Here, the two pliers jaw plates can be arranged symmetrically to a center plane of the pliers head. The two pliers jaw plates can then serve together to form or support the receptacle for the die insert. For a proposal of the invention, the thickness of the support plate in the area of the overlaps with the pliers jaw plates (with a transition fit or a clearance fit) corresponds to the thickness of a die insert (in particular in the area of a flange of a die plate). The thickness of the support plate also specifies an extension of a receiving space of the receptacle, which is formed between the pliers jaw plates. The flange of the die insert can be inserted into the receiving space. The die insert can already be guided or supported flatly in the area of its flange between the pliers jaw plates. Supplementary support can be provided by means of a fastening screw and / or the support elements supported in the convex receptacles.
Eine erfindungsgemäße Zangenschwenkbacke kann in eine beliebige Crimpzange mit einer beliebigen Antriebskinematik integriert sein. Für einen besonderen Vorschlag der Erfindung weist die Crimpzange einen Kniehebeltrieb auf. Der Kniehebeltrieb wird über die Handhebel betätigt wird, wobei auch ein Teil eines Handhebels einen Kniehebel des Kniehebeltriebs bilden kann (vgl. bspw. auch den eingangs angeführten Stand der Technik
Für die Ausgestaltung der Geometrie der Zangenschwenkbacke und der Tragplatte sowie der mindestens einen Zangenbackenplatte gibt es im Rahmen der Erfindung vielfältige Möglichkeiten. Für einen Vorschlag der Erfindung ist die Zangenschwenkbacke (die mit der Tragplatte und der mindestens einen Zangenbackenplatte gebildet ist) in einer Draufsicht auf die Zangenkopfebene grundsätzlich entsprechend einem T ausgebildet. Ein erster Horizontalschenkel des T wird von dem Zangenbackenschenkel der Zangenbackenplatte ausgebildet. Ein zweiter Horizontalschenkel des T wird von der Tragplatte ausgebildet. In dem freien Endbereich des zweiten Horizontalschenkels des T ist dann das Schwenklager gebildet, im Bereich dessen die Zangenschwenkbacke über den Kniehebeltrieb betätigt werden kann. Im Bereich des Vertikalschenkels des T ist die Überlappung der Tragplatte mit der Zangenbackenplatte (hier dem Befestigungsschenkel der Zangenbackenplatte) angeordnet. In dem freien Endbereich des Vertikalschenkels des T ist vorzugsweise das Schwenklager angeordnet, über welches die Zangenschwenkbacke verschwenkbar an der festen Zangenbacke gelagert ist.There are many possibilities within the scope of the invention for the configuration of the geometry of the pliers swivel jaw and the support plate and the at least one pliers jaw plate. For a proposal of the invention, the pliers pivot jaw (which is formed with the support plate and the at least one pliers jaw plate) is basically designed according to a T in a plan view of the pliers head plane. A first horizontal leg of the T is formed by the pincer jaw leg of the pincer jaw plate. A second horizontal leg of the T is formed by the support plate. In the free end area of the second Horizontal leg of the T is then formed the pivot bearing, in the area of which the jaw pivot jaw can be actuated via the toggle lever drive. In the area of the vertical leg of the T, the overlap of the support plate with the pliers jaw plate (here the fastening leg of the pliers jaw plate) is arranged. In the free end region of the vertical leg of the T, the pivot bearing is preferably arranged, by means of which the pincer pivot jaw is pivotably mounted on the fixed pincer jaw.
Für eine weitere erfindungsgemäße Crimpzange weist die Tragplatte einen Befestigungsschenkel und einen Schwenkarmschenkel auf. Hierbei sind der Befestigungsschenkel und der Schwenkarmschenkel L-förmig angeordnet. Der Schwenkarmschenkel der Tragplatte ist etwa parallel zu dem Zangenbackenschenkel der mindestens einen Zangenbackenplatte angeordnet. Etwa parallel bedeutet hierbei, dass der Schwenkarmschenkel der Tragplatte und der Zangenbackenschenkel der mindestens einen Zangenbackenplatte einen Winkel von weniger als 30°, weniger als 20° oder weniger als 10° zueinander bilden. In diesem Fall ist in dem freien Endbereich des Schwenkarmschenkels ein Schwenklager angeordnet. Über dieses Schwenklager ist die Zangenschwenkbacke verschwenkbar an einem Zangenkopf, einem festen Zangenteil oder einem Handhebel angelenkt.For a further crimping tool according to the invention, the support plate has a fastening leg and a swivel arm leg. Here, the fastening leg and the swivel arm leg are arranged in an L-shape. The pivot arm leg of the support plate is arranged approximately parallel to the jaw jaw leg of the at least one jaw jaw plate. In this context, approximately parallel means that the swivel arm leg of the support plate and the pincer jaw leg of the at least one pincer jaw plate form an angle of less than 30 °, less than 20 ° or less than 10 ° to one another. In this case, a pivot bearing is arranged in the free end region of the swivel arm leg. The swivel jaw of the pliers can be pivoted to a pliers head, a fixed part of the pliers or a hand lever via this pivot bearing.
Vorteilhafte Weiterbildungen der Erfindung ergeben sich aus den Patentansprüchen, der Beschreibung und den Zeichnungen. Die in der Beschreibung genannten Vorteile von Merkmalen und von Kombinationen mehrerer Merkmale sind lediglich beispielhaft und können alternativ oder kumulativ zur Wirkung kommen, ohne dass die Vorteile zwingend von erfindungsgemäßen Ausführungsformen erzielt werden müssen. Ohne dass hierdurch der Gegenstand der beigefügten Patentansprüche verändert wird, gilt hinsichtlich des Offenbarungsgehalts der ursprünglichen Anmeldungsunterlagen und des Patents Folgendes: weitere Merkmale sind den Zeichnungen - insbesondere den dargestellten Geometrien und den relativen Abmessungen mehrerer Bauteile zueinander sowie deren relativer Anordnung und Wirkverbindung - zu entnehmen. Die Kombination von Merkmalen unterschiedlicher Ausführungsformen der Erfindung oder von Merkmalen unterschiedlicher Patentansprüche ist ebenfalls abweichend von den gewählten Rückbeziehungen der Patentansprüche möglich und wird hiermit angeregt. Dies betrifft auch solche Merkmale, die in separaten Zeichnungen dargestellt sind oder bei deren Beschreibung genannt werden. Diese Merkmale können auch mit Merkmalen unterschiedlicher Patentansprüche kombiniert werden. Ebenso können in den Patentansprüchen aufgeführte Merkmale für weitere Ausführungsformen der Erfindung entfallen.Advantageous further developments of the invention result from the patent claims, the description and the drawings. The advantages of features and combinations of several features mentioned in the description are only examples and can alternatively or cumulatively be effective without the advantages necessarily having to be achieved by embodiments according to the invention. Without changing the subject matter of the appended claims, the following applies with regard to the disclosure content of the original application documents and the patent: Further features can be found in the drawings, in particular the geometries shown and the relative dimensions of a plurality of components with respect to one another and their relative arrangement and operative connection. The combination of features of different embodiments of the invention or of features of different claims is also possible, deviating from the selected back relationships of the claims, and is hereby suggested. This also applies to those features which are shown in separate drawings or mentioned in the description. These features can also be combined with features of different claims. Features listed in the claims can also be omitted for further embodiments of the invention.
Die in den Patentansprüchen und der Beschreibung genannten Merkmale sind bezüglich ihrer Anzahl so zu verstehen, dass genau diese Anzahl oder eine größere Anzahl als die genannte Anzahl vorhanden ist, ohne dass es einer expliziten Verwendung des Adverbs "mindestens" bedarf. Wenn also beispielsweise von einem Element die Rede ist, ist dies so zu verstehen, dass genau ein Element, zwei Elemente oder mehr Elemente vorhanden sind. Diese Merkmale können durch andere Merkmale ergänzt werden oder die einzigen Merkmale sein, aus denen das jeweilige Erzeugnis besteht.The number of features mentioned in the patent claims and the description should be understood in such a way that exactly this number or a greater number than the number mentioned is present without the explicit use of the adverb "at least" being required. If, for example, one element is mentioned, it is to be understood that there is exactly one element, two elements or more elements. These characteristics can be supplemented by other characteristics or the only characteristics that make up the respective product.
Die in den Patentansprüchen enthaltenen Bezugszeichen stellen keine Beschränkung des Umfangs der durch die Patentansprüche geschützten Gegenstände dar. Sie dienen lediglich dem Zweck, die Patentansprüche leichter verständlich zu machen.The reference symbols contained in the patent claims do not represent any restriction of the scope of the objects protected by the patent claims. They serve only the purpose of making the patent claims easier to understand.
Im Folgenden wird die Erfindung anhand in den Figuren dargestellter bevorzugter Ausführungsbeispiele weiter erläutert und beschrieben.
- Fig. 1
- zeigt eine Crimpzange gemäß dem Stand der Technik in einer Draufsicht auf die Zangenkopfebene.
- Fig. 2
- zeigt die Crimpzange gemäß
Fig. 1 in einer räumlichen Darstellung. - Fig. 3
- zeigt eine erfindungsgemäß abgewandelte Crimpzange in teil-demontiertem Zustand und in einer Draufsicht auf die Zangenkopfebene, wobei die Crimpzange in einer teilgeöffneten Betriebsstellung ist.
- Fig. 4
- zeigt die Crimpzange gemäß
Fig. 3 in montiertem Zustand und in einer Draufsicht auf die Zangenkopfebene, wobei die Crimpzange in einer geschlossenen Betriebsstellung ist. - Fig. 5
- zeigt die Crimpzange gemäß
Fig. 3 und4 in montiertem Zustand und in einer Draufsicht auf die Zangenkopfebene, wobei die Crimpzange in einer geöffneten Betriebsstellung ist. - Fig. 6
- zeigt die Crimpzange gemäß
Fig. 3 in montiertem Zustand und in einer räumlichen Ansicht, wobei die Crimpzange in einer teilgeöffneten Betriebsstellung ist.bis 5 - Fig. 7
- zeigt eine räumliche Explosionsdarstellung einer weiteren Ausführungsform Crimpzange.
- Fig. 8
- zeigt eine räumliche Darstellung der Crimpzange gemäß
Fig. 7 . - Fig. 9
- zeigt die Crimpzange gemäß
Fig. 7 und8 in einer Draufsicht auf die Zangenkopfebene in teildemontiertem Zustand.
- Fig. 1
- shows a crimping pliers according to the prior art in a plan view of the pliers head level.
- Fig. 2
- shows the crimping tool according to
Fig. 1 in a spatial representation. - Fig. 3
- shows a crimping tool modified according to the invention in a partially disassembled state and in a plan view of the pliers head level, the crimping tool being in a partially opened operating position.
- Fig. 4
- shows the crimping tool according to
Fig. 3 in the assembled state and in a top view of the pliers head level, the crimping pliers being in a closed operating position. - Fig. 5
- shows the crimping tool according to
Fig. 3 and4th in the assembled state and in a plan view of the pliers head level, the crimping pliers being in an open operating position. - Fig. 6
- shows the crimping tool according to
3 to 5 in the assembled state and in a spatial view, the crimping tool being in a partially open operating position. - Fig. 7
- shows a spatial exploded view of another embodiment crimping tool.
- Fig. 8
- shows a spatial representation of the crimping tool according to
Fig. 7 . - Fig. 9
- shows the crimping tool according to
Fig. 7 and8th in a plan view of the pliers head level in the partially disassembled state.
Der Kniehebeltrieb 4 verfügt über Kniehebel 8, 10. Der Kniehebel 8 ist als Druckhebel 9 ausgebildet. Der Kniehebel 10 ist von dem vorderen Endbereich des beweglichen Handhebels 5 ausgebildet. Die Kniehebel 8, 10 sind über ein Kniegelenk 11 miteinander verbunden. Das Kniegelenk 11 ist als Schwenklager 12 mit einem Schwenkbolzen 13 ausgebildet. Der dem Kniegelenk 11 abgewandte Endbereich des Kniehebels 8 ist in einem Schwenklager 14 mit einem Schwenkbolzen 15 an dem festen Zangenteil 2 angelenkt. Der Kniehebel 10 und damit der bewegliche Handhebel 5 sind über ein Schwenklager 16 mit einem Schwenkbolzen 17 an dem beweglichen Zangenteil 3 angelenkt. Das bewegliche Zangenteil 3 ist hier eine bewegliche Zangenschwenkbacke 18.The
Die Zangenschwenkbacke 18 ist verschwenkbar an dem festen Zangenteil 2 gelagert. Dies erfolgt über ein mit einem Schwenkbolzen 19 gebildetes Schwenklager 20 Die Zangenschwenkbacke 18 kann
- mit einer Verschwenkung des beweglichen Handhebels 5 in Richtung des festen Handhebels 6
- unter Betätigung des
Kniehebeltriebs 4 durch dievon dem Kniehebeltrieb 4 im Bereich des Schwenklagers 16 auf die Zangenschwenkbacke 18 ausgeübte Betätigungskraft
- with a pivoting of the
movable hand lever 5 in the direction of thefixed hand lever 6 - when the
toggle lever drive 4 is actuated by the actuating force exerted by thetoggle lever drive 4 in the region of the pivot bearing 16 on the pliers pivot jaw 18
Die Zangenschwenkbacke 18 verfügt über eine Tragplatte 23. Mit der Tragplatte 23 ist das Schwenklager 20 gebildet. Zu diesem Zweck kann die Tragplatte 23 eine Durchgangsbohrung zur Aufnahme des Schwenkbolzens 19 aufweisen. Auf beiden Seiten der Tragplatte 23 sind mit Überlappungen 24a, 24b Zangenbackenplatten 25a, 25b angeordnet. Im Bereich der Überlappungen 24a, 24b sind die Tragplatte 23 und die Zangenbackenplatten 25a, 25b über Bolzen 27, 28 aneinander befestigt. Die Bolzen 27, 28 erstrecken sich vertikal zur Erstreckungsebene der Tragplatte 23 und der Zangenbackenplatten 25a, 25b sowie zu einer Zangenkopfebene 62, welche der Zeichenebene gemäß
Für das dargestellte Ausführungsbeispiel ist die Tragplatte 23 ungefähr dreieckförmig (hier mit abgerundeten Ecken) ausgebildet. Im Bereich der in
In
Die mit den Aufnahmen 33, 34 für die Tragelemente gebildete Aufnahme 22 für den Gesenkeinsatz gibt eine Abstützebene 36 vor. Die Abstützebene 36 ist quer zu der auf die Zangenschwenkbacke 18 wirkenden Crimpkraft orientiert oder weicht von dieser Querrichtung maximal um 30°, maximal um 20°, maximal um 10° oder maximal um 5° ab. Vorzugsweise geben die Längsachsen der Aufnahmen 33, 34 bzw. der darin angeordneten Tragelemente eines Gesenkeinsatzes die Abstützebene 36 vor oder sind in dieser angeordnet. Möglich ist auch, dass die dem Zangenmaul 21 zugewandten Stirnseiten der Zangenbackenplatten 25a, 25b die Abstützebene 36 vorgeben.The receptacle 22 for the die insert formed with the
Für das dargestellte Ausführungsbeispiel sind die Zangenbackenplatten 25a, 25b in vereinfachter Betrachtung als geradlinige Hebel ausgebildet. An einem Endbereich des Hebels greift die Crimpkraft an. Ungefähr mittig erfolgt die Abstützung über den Bolzen 27. In dem anderen Endbereich erfolgt die Abstützung über den Bolzen 28. Die Zangenbackenplatten 25 sind ungefähr parallel zur Abstützebene 36 orientiert. In der Schließstellung der Handhebel 5, 6 sind des Weiteren die Zangenbackenplatten 25 mit ihren Längserstreckungen ungefähr parallel zu dem Handhebel 5 orientiert.For the illustrated embodiment, the
Bei ansonsten grundsätzlich der Ausführungsform gemäß
Ohne dass dies zwingend der Fall ist, ist für das Ausführungsbeispiel gemäß
Für eine vereinfachte Betrachtung wird von der Annahme ausgegangen, dass in
Zu erkennen ist insbesondere in
In
Für das dargestellte Ausführungsbeispiel ist die Tragplatte 23 und sind die Tragplattenteile 40a, 40b in grober Näherung L-förmig ausgebildet. Die Tragplattenteile 40a, 40b verfügen hierbei jeweils über einen Befestigungsschenkel 42a, 42b und einen Schwenkarmschenkel 43a, 43b. Die Schwenkarmschenkel 43a, 43b dienen dabei der Überbrückung des Abstands des Schwenklagers 20 von dem Zangenkopf. Hingegen dient der Befestigungsschenkel 42 der Befestigung der Zangenbackenplatten 25a, 25b. Zu diesem Zweck sind im Bereich der Befestigungsschenkel 42a, 42b die Überlappungen 24a, 24b zwischen den Tragplattenteilen 40a, 40b und den Zangenbackenplatten 25a, 25b gebildet.For the illustrated embodiment, the
Für die Crimpzange 1 gemäß
Für das dargestellte Ausführungsbeispiel besitzt die Zangenschwenkbacke 18 in einer Draufsicht auf die Zangenkopfebene eine ungefähr Z-förmige Geometrie. Der Verbindungsschenkel zwischen den beiden Horizontalschenkeln des Z ist vertikal orientiert. Somit sind die beiden Horizontalschenkel des Z in Längsrichtung der Crimpzange 1 versetzt zueinander angeordnet sind ohne Überlappung derselben in Längsrichtung. Hierbei wird der untere Horizontalschenkel des Z gebildet von den Zangenbackenschenkeln 38 der Zangenbackenplatten 25. Der Verbindungsschenkel des Z wird gebildet sowohl von den Befestigungsschenkeln 37 der Zangenbackenplatten 25 als auch den Befestigungsschenkeln 42 der Tragplattenteile 40. Der obere Horizontalschenkel des Z wird gebildet von den Schwenkarmschenkeln 43 der Tragplattenteile 40.For the illustrated embodiment, the pliers pivot jaw 18 has an approximately Z-shaped geometry in a plan view of the pliers head plane. The connecting leg between the two horizontal legs of the Z is oriented vertically. Thus, the two horizontal legs of the Z in the longitudinal direction of the crimping
In
In
In den Figuren kennzeichnet eine Zangenkopfebene 62 eine Ebene, in welcher eine Verschwenkung der Zangenschwenkbacke 18 erfolgt. Die Zangenkopfebene 62 entspricht hier den Zeichenebenen gemäß
Hinsichtlich weiterer Details zu der Ausführungsform der Crimpzange 1 gemäß
Im Rahmen der vorliegenden Beschreibung sind sich hinsichtlich der Funktion und/oder Gestaltung entsprechende oder ähnliche Bauelemente teilweise mit denselben Bezugszeichen, aber einem ergänzenden unterscheidenden Buchstaben a, b, ... gekennzeichnet. Auf diese wird dann teilweise auch ohne Verwendung des ergänzenden Buchstabens Bezug genommen.In the context of the present description, corresponding or similar components are identified with respect to their function and / or design, in part with the same reference numerals, but with a supplementary, different letters a, b, ... This is then sometimes referred to without the use of the supplementary letter.
- 11
- CrimpzangeCrimping tool
- 22nd
- fester Zangenteilfixed pliers part
- 33rd
- beweglicher Zangenteilmovable pliers part
- 44th
- KniehebeltriebToggle drive
- 55
- beweglicher Handhebelmovable hand lever
- 66
- fester Handhebelfixed hand lever
- 77
- feste Zangenbackefixed jaws
- 88th
- KniehebelToggle lever
- 99
- DruckhebelPush lever
- 1010th
- KniehebelToggle lever
- 1111
- KniegelenkKnee joint
- 1212th
- SchwenklagerSwivel bearing
- 1313
- SchwenkbolzenSwivel pin
- 1414
- SchwenklagerSwivel bearing
- 1515
- SchwenkbolzenSwivel pin
- 1616
- SchwenklagerSwivel bearing
- 1717th
- SchwenkbolzenSwivel pin
- 1818th
- ZangenschwenkbackePliers swivel jaw
- 1919th
- SchwenkbolzenSwivel pin
- 2020
- SchwenklagerSwivel bearing
- 2121
- ZangenmaulForceps mouth
- 2222
- Aufnahmeadmission
- 2323
- TragplatteSupport plate
- 2424th
- Überlappungoverlap
- 2525th
- ZangenbackenplattePliers jaw plate
- 2626
- 2727
- Bolzenbolt
- 2828
- Bolzenbolt
- 2929
- SicherungsringCirclip
- 3030th
- SicherungsringCirclip
- 3131
- AufnahmeraumRecording room
- 3232
- ZangenteilplattePlier section plate
- 3333
- Aufnahmeadmission
- 3434
- Aufnahmeadmission
- 3535
- BefestigungsbohrungMounting hole
- 3636
- AbstützebeneSupport level
- 3737
- BefestigungsschenkelMounting leg
- 3838
- ZangenbackenschenkelPliers jaw legs
- 3939
- HandhebelplatteHand lever plate
- 4040
- TragplattenteilSupport plate part
- 4141
- FederelementSpring element
- 4242
- BefestigungsschenkelMounting leg
- 4343
- SchwenkarmschenkelSwivel arm leg
- 4444
- SchwenklagerSwivel bearing
- 4545
- SchwenkbolzenSwivel pin
- 4646
- KniehebelToggle lever
- 4747
- KniegelenkKnee joint
- 4848
- SchwenkbolzenSwivel pin
- 4949
- KniehebelToggle lever
- 5050
- DruckhebelPush lever
- 5151
- SchwenklagerSwivel bearing
- 5252
- SchwenkbolzenSwivel pin
- 5353
- LanglochLong hole
- 5454
- ZwangsgesperreForced lock
- 5555
- GesenkeinsatzDie insert
- 5656
- GesenkeinsatzDie insert
- 5757
- GesenkplatteDie plate
- 5858
- TragelementSupport element
- 5959
- TragelementSupport element
- 6060
- BefestigungsschraubeMounting screw
- 6161
- VerbindungsachseConnecting axis
- 6262
- ZangenkopfebenePlier head level
Claims (7)
- Pivoting pliers jaw (18) having a sheet design for manually actuated crimping pliers (1) comprisinga) a supporting sheet (23) andb) a pliers jaw sheet (25) whichba) forms or supports an accommodation (22) for a die insert (56),bb) defines a supporting plane (36) of the accommodation (22) for supporting a crimping force biasing the die insert (56),bc) is arranged with an overlap (24) on one side of the supporting sheet (23) andbd) is held in the region of the overlap (24) by two bolts (27, 28) at the supporting sheet (23),c) an angle between a connecting axis (61) of the longitudinal axes of the bolts (27, 28) and the supporting plane (36) in a pliers head plane (62) being in the range of 90° plus/minus 30°characterised in thatd) the pliers jaw sheet (25) comprises a mounting leg (37) and a pliers jaw leg (38), the mounting leg (37) and the pliers jaw leg (38) being arranged in an L-shape,e)ea) one of the bolts (27) by which the pliers jaw sheet (25) is held at the supporting sheet (23) in the region of the overlap (24) extends through the transition region wherein the mounting leg (37) transits to the pliers jaw leg (38) and/oreb) one of the bolts (28) by which the pliers jaw sheet (25) is held in the region of the overlap (24) at the supporting sheet (23) extends through the free end region of the mounting leg (37) andf) the bolt (28) which extends through the free end region of the mounting leg (37) is a pivot bolt (19) of the crimping pliers (1).
- Pivoting pliers jaw (18) of claim 1, characterised in thata) the accommodation (22) of the pliers jaw sheet (25) comprises to convex accommodations (33, 34) for supporting elements (58, 59) of a die insert (56), the accommodations having a distance in a projection onto the supporting plane (36), where by means of the accommodations (33, 34) at least a component of a crimping force biasing the die insert (56) which has an orientation vertical to the supporting plane (36) is transmitted from the die insert (56) to the pliers jaw sheet (25) and/orb) the accommodation (22) of the pliers jaw sheet (25) comprises a bore (35) for a fixing screw (60) by which it is possible to fix the die insert (56) at the pliers jaw sheet (25).
- Pivoting pliers jaw (18) of one of the preceding claims, characterised in that the longitudinal extension of the mounting leg (37) is larger than a half of the transverse extension of the pliers head.
- Pivoting pliers jaw (18) of one of the preceding claims, characterised in that two pliers jaw sheets (25a, 25b) are held by the two bolts (27, 28) on different sides of the supporting sheet (23).
- Pivoting pliers jaw (18) of claim 4, characterised in that in the region of the overlap (24) the thickness of the supporting sheet (23) corresponds to the thickness of the die insert (56) which can be inserted into an accommodating space (31) of the accommodation (22) formed between the pliers jaw sheets (25a, 25b).
- Crimping pliers (1) comprising a pivoting pliers jaw (18) of one of the preceding claims, characterised in that the crimping pliers (1) comprise a toggle lever drive (4) which is actuated by the hand levers (5, 6), one toggle lever (10) of the toggle lever drive (4) being linked to the supporting sheet (23).
- Crimping pliers (1) comprising a pivoting pliers jaw (18) of one of claims 1 to 5, in particular crimping pliers (1) of claim 6, characterised in that the supporting sheet (23) comprises a mounting leg (42) and a pivoting arm leg (43),a) the mounting leg (42) and the pivoting arm leg (43) being arranged in an L-shape,b) the pivoting arm leg (43) of the supporting sheet (23) being arranged approximately parallel to the pliers jaw leg (38) of the at least one pliers jaw sheet (25) andc) a pivot joint (20) being arranged in the free end region of the pivoting arm leg (43), where by means of the pivot joint (20) the pivoting pliers jaw (18) is held at a pliers head, a fixed pliers part (2) or a hand lever (6).
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18166739.5A EP3553900B1 (en) | 2018-04-11 | 2018-04-11 | Forceps jaw pan constructed as an assembly of plates and crimping tool having a forceps jaw pan |
JP2019072727A JP7290984B2 (en) | 2018-04-11 | 2019-04-05 | Crimping pliers with panel pliers swivel jaws and pliers swivel jaws |
US16/377,551 US11331777B2 (en) | 2018-04-11 | 2019-04-08 | Pivoting pliers jaw in a design comprising plates and crimping pliers comprising a pivoting pliers jaw |
TW108112319A TWI793300B (en) | 2018-04-11 | 2019-04-09 | Pivoting pliers jaw in a design comprising plates and crimping pliers comprising a pivoting pliers jaw |
CN201910287577.8A CN110364903B (en) | 2018-04-11 | 2019-04-11 | Plate structure type pliers swing jaw and crimping pliers with pliers swing jaw |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18166739.5A EP3553900B1 (en) | 2018-04-11 | 2018-04-11 | Forceps jaw pan constructed as an assembly of plates and crimping tool having a forceps jaw pan |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3553900A1 EP3553900A1 (en) | 2019-10-16 |
EP3553900B1 true EP3553900B1 (en) | 2020-07-15 |
Family
ID=61965857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18166739.5A Active EP3553900B1 (en) | 2018-04-11 | 2018-04-11 | Forceps jaw pan constructed as an assembly of plates and crimping tool having a forceps jaw pan |
Country Status (5)
Country | Link |
---|---|
US (1) | US11331777B2 (en) |
EP (1) | EP3553900B1 (en) |
JP (1) | JP7290984B2 (en) |
CN (1) | CN110364903B (en) |
TW (1) | TWI793300B (en) |
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EP4243222A1 (en) | 2022-03-09 | 2023-09-13 | WEZAG GmbH & Co. KG | Crimping tool force sensor and crimping tool |
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EP4007087B1 (en) * | 2019-11-11 | 2024-02-07 | WEZAG GmbH & Co. KG | Crimping tool |
EP3834989B1 (en) | 2019-12-11 | 2022-11-23 | WEZAG GmbH & Co. KG | Hand-held clamping tool and method for assembling the same |
USD1000237S1 (en) * | 2020-12-17 | 2023-10-03 | Weidmueller Interface Gmbh & Co. Kg | Pliers |
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2018
- 2018-04-11 EP EP18166739.5A patent/EP3553900B1/en active Active
-
2019
- 2019-04-05 JP JP2019072727A patent/JP7290984B2/en active Active
- 2019-04-08 US US16/377,551 patent/US11331777B2/en active Active
- 2019-04-09 TW TW108112319A patent/TWI793300B/en active
- 2019-04-11 CN CN201910287577.8A patent/CN110364903B/en active Active
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4243222A1 (en) | 2022-03-09 | 2023-09-13 | WEZAG GmbH & Co. KG | Crimping tool force sensor and crimping tool |
Also Published As
Publication number | Publication date |
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CN110364903B (en) | 2022-04-08 |
US20190314966A1 (en) | 2019-10-17 |
JP2019181690A (en) | 2019-10-24 |
TW201943505A (en) | 2019-11-16 |
EP3553900A1 (en) | 2019-10-16 |
CN110364903A (en) | 2019-10-22 |
US11331777B2 (en) | 2022-05-17 |
JP7290984B2 (en) | 2023-06-14 |
TWI793300B (en) | 2023-02-21 |
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