CN205985708U - Crimping pliers - Google Patents

Abstract

The utility model relates to a crimping pliers, it is the rigid coupling wire rod for the centre gripping crimp type terminal warp, it includes first anchor clamps, the second anchor clamps, the third anchor clamps, the ring is reinforceed to the several, several bolt and several C buckle, first double -layered distance again, the second anchor clamps, each other pin joint combination between the third anchor clamps through brake assembly's setting, and in first double -layered distance, the second anchor clamps, the pivot hole has do not been seted up in mutual coincide punishment to the third anchor clamps, it is urgent downthehole in each pivot that each reinforces the ring, it is urgent downthehole in the pivot that each reinforces the ring, so as to the stress that increases each clamping piece, deuterogamy each bolt the setting and reach first anchor clamps, the second anchor clamps, pivot between the third anchor clamps and deformation and rigid coupling in the wire rod of centre gripping crimp type terminal really.

Description

Crimping Pliers

Technical field

This utility model is a kind of Crimping Pliers, refers in detail be applied in field of tool the work on electric wire in order to crimp type terminal Tool, is primarily characterized in that offer user easily carries, and has a certain degree of rigid and maintain smooth operation, as one Plant the splendid utility model of practicality.

Background technology

The generation flourished in present industrial, maintain machinery, the unknown worker of electric equipment operation grasps much The operation of businessman, hotel owner, factory etc., so periodic maintenance, to maintain, patrol and examine be all that these workers daily must work taken up One of, but the optimal sharp weapon of these workers are exactly workbox on hand, have piled instrument miscellaneous in workbox Species, seems the instruments such as reversal plier, Crimping Pliers, screwdriver, spanner, and the construction form that the type of every kind of instrument is to be responsible for is equal Differ, be wherein discussed be used to by general wire rod be electrically connected in machinery, electric equipment Crimping Pliers, typically common Crimping Pliers is exactly nothing but the tonger with two mutual pivot joints, and one end of each tonger is for providing the handle section that user grips, and each The other end of wherein one tonger in tonger then can have the groove of several different size widths, and another tonger respective slot then can It is convexly equipped with corresponding projection, when wire rod is electrically connected at machinery, electric equipment by user it is necessary to use pressure connection terminal Son, general crimping cross-talk one end has sleeve pipe, and the other end then has junction surface, and sleeve pipe is mounted in the wire rod dialled, and connects Conjunction portion then when machinery, the position will being connected with wire rod are mounted on electric equipment, and because crimp type terminal is mostly metal system, so It is possible to carry out the solid conjunction of wire rod and crimp type terminal using Crimping Pliers, using line ball after the completion of crimp type terminal is combined with wire rod The projection that had of tonger of pincers and groove exerted a force and squeezing bushing and deform, thus just can be by crimp type terminal Sleeve pipe consolidation solid zygonema material although now Crimping Pliers link between wire rod and machinery, electric equipment can be provided to lead Electricity, but there are some disappearances and refer to what follows.

Refer to TaiWan, China patent announcement M275926 " Crimping Pliers structural improvement ", it is mainly by two relative the Leader, the second in command, a spring assembly, two the first relative tool part, the first tool part are formed, wherein before the first in command End is provided with a gearing hole, is slightly provided with a combined hole at rear, and inner side edge is then provided with one and buckles groove, the upper relative position of the second in command Place is also provided with gearing hole and combined hole, and inner side edge is then provided with the pivot junction groove of a strip, and two gearing holes are respectively coordinated with combined hole Using there being a pivot knot part, and buckle groove and pivot junction groove and then use cooperatively and have a holding ＆ forming knot, the rear end of the first tool part is provided with a knot Close hole, central authorities are provided with a pivot-juction hole, and stage casing one side is provided with a shear blade, and opposite side relative edge is then provided with a cut groove, leading portion Relative inner is then provided with several pressuring line grooves diversified in specifications, and another pivot-juction hole uses cooperatively bolt and nut, by said structure, Reach and can use outside with reference to wire rod and joint head, and can be additionally used in shearing wire rod.

Above-mentioned Crimping Pliers has many functions, but mostly adopts in the first tool part with the use of the second tool part Made by pure iron, in general the instrument made by pure iron is for the user, excessively heavy and not on carrying aspect Convenient, still more price on market today for the ferrum is not striking, and fabrication and processing is also extremely difficult because of the hardness of ferrum, so many phases Aluminum metal that the use of the first tool part and the second tool part has been made into have suitable hardness by the dealer in pass field further although Alleviate user carries weight, and decreases expensive problem, but really there is even more serious, aluminum It is a kind of metal with high ductility, the therefore first tool part is passed through made by aluminum with the second tool part, and can allow makes Under constructing operation, the first tool part and the second tool part bear great oppressive force in the position of pivot joint to user, lead to the The problem that one tool part and the second tool part deform, and single only in pivot points, at other, there is the portion being pivoted Position all can be deformed, and thus causes whole Crimping Pliers cannot use and must eliminate the problems such as change.Therefore, asked according to above-mentioned Under topic, related dealer must conscientious thinking, the Crimping Pliers how this improves now just can meet lightweight, and to have suitable again Rigidity is without deforming.

In view of above-mentioned illustrated existing disappearance, the present inventor puts into many time study relevant knowledges, and is compared Every good and bad, carry out research and the exploitation of Related product, and after many experiments and test, and finally release a kind of " line ball Pincers " improve above-mentioned disappearance, are used needed for masses with meeting.

Utility model content

It improves and is previously mentioned in prior art, and general Crimping Pliers has increases overall weight because of iron problem, cause The inconvenient disappearance on carrying of user, and made with aluminum metal for lightweight, but cause during operation because of force The problem pressing and deforming, this utility model provides a kind of Crimping Pliers, and user can be with lighter weight on carrying Worn with oneself, in addition can also have rigidity to a certain extent on using operation, provide user operationally can Enough smooth.

This utility model solves its technical problem and be employed technical scheme comprise that：

A kind of Crimping Pliers, it deforms and affixed wire rod in order to clamp crimp type terminal, and it includes：One first fixture, one second Fixture and one the 3rd fixture, this first fixture, the second fixture and the 3rd fixture all have two intermediate plates, and two folders of this first fixture Piece is in that spacing is arranged；Two intermediate plates of the 3rd fixture are in that spacing is arranged；And two intermediate plate its one ends of the second fixture are bonded to each other and office Portion is inserted between two intermediate plates of the first fixture, locally expose to that the first fixture is outer and two intermediate plates that be inserted in the 3rd fixture it Between, in addition the other end of this second fixture is then bent outwardly and is in spacing setting；This first fixture another is articulated with the second fixture One end be a drive section, and the first fixture is a holding section in the one end in contrast to drive section, and this holding section and the 3rd One end that fixture is provided with second spring is all arranged with a gripping gum cover respectively；The drive section of this first fixture and the second fixture tool The position having spacing is arranged with a die block further respectively, and each die block mutually corresponding side be separately arranged with several not With being separately convexly equipped with a pressing block, each pressing block of each die block between the die cavity of size, and each die cavity of each die block and die cavity The die cavity of corresponding another die block；One brake assemblies, its distribution is installed in the first fixture, the second fixture, each folder of the 3rd fixture Between piece；Again the first fixture, the second fixture, each intermediate plate of the 3rd fixture be in the position being superimposed with each other, and the first fixture, the 3rd It is equipped with a pivot hole running through at two intermediate plates of fixture and the overlapping of brake assemblies；This brake assemblies has further included one first Pivot piece, one second pivot piece, a steering piece, one first spring and a second spring, this first pivot piece and the second pivot piece are located at first Between two intermediate plates of fixture and the 3rd fixture, and this first pivot piece is superimposed with each other with the second pivot piece and run through by least two latches Pivot joint, and one end of corresponding 3rd fixture of this second pivot piece is provided with a tooth row further at ora terminalis, and this second pivot piece position exists One end in two intermediate plates of the first fixture is then interlocked with one end of the first spring further, and the other end of this first spring is then buckled It is fixed in the additional ribs in two intermediate plates of the first fixture；This steering piece is then arranged in two intermediate plates of the 3rd fixture, and this steering Piece is subject to the run through pivot joint of at least one latch, and this steering piece has further included one group of portion, a ratchet clamping part and an engaging portion, wherein This group of portion exposes to outside the 3rd fixture, and this ratchet clamping part grinding tooth when the first fixture is relative to the 3rd fixture closing is connected in tooth row, This engaging portion is interlockingly connected with one end of second spring again, and the other end of this second spring is then fastened on two folders positioned at the 3rd fixture A post bar in piece；Several stiffener rings, its respectively urgent in each pivot hole, and the ring footpath of each stiffener rings be more than each pivot hole hole Footpath, but the hardness of each stiffener rings is more than each intermediate plate；And several latch, it extends through in each stiffener rings, and the two ends of each latch It is arranged with an annular groove respectively, be additionally provided with several C clasps again and buckle each annular groove located at each latch and be attached at each intermediate plate.

Under technical characteristic according to described by above-mentioned this utility model, further technology is that each stiffener rings are further Include an inner ring surface, an outer ring surface and two side ring surfaces, the diameter of each stiffener rings is defined as a H, and the diameter of each pivot hole is defined as One D, and H ＞ D, but each stiffener rings urgent enter each pivot hole when, the distance that each outer ring surface inside contracts is H-D/2, and each stiffener rings is outer Anchor ring is urgent to be sticked in the inner hole wall of corresponding pivot hole, and each stiffener rings are urgent towards the inner hole wall pushing and pressing of the pivot hole installed Installing.

Under technical characteristic according to described by above-mentioned this utility model, further technology is that each C clasp is further Include a breach and several projection, this breach is equipped with any zone of C clasp, and each projection is then by the inwall institute of C clasp Protrude and embed in the annular groove of each latch.

The beneficial effects of the utility model are that user can be worn with oneself with lighter weight on carrying, separately External can also have rigidity to a certain extent using in operation, provides the user operationally can be smooth.

Brief description

With reference to the accompanying drawings and examples this utility model is further illustrated.

Fig. 1 is this utility model part isometric decomposing schematic representation.

Fig. 2 is the close-up schematic view of Fig. 1.

Fig. 3 is to contract the decomposing schematic representation of corresponding pivot hole in the outer ring surface of Fig. 2 stiffener rings.

Fig. 4 is that Fig. 3 is completed the generalized section that rear stiffener rings expand outwardly stress.

Fig. 5 is this utility model schematic perspective view.

Fig. 6 is the perspective exploded view of Fig. 5.

Fig. 7 is the perspective exploded view of this utility model latch and C clasp.

Fig. 8 is the use state schematic diagram that this utility model oppresses crimp type terminal.

In figure label declaration：

10 crimp type terminal 1 first fixture

11 drive section 12 holding section

2 second fixture 21 grips gum cover

3 the 3rd fixture 4 intermediate plate

41 die block 411 die cavity

412 pressing block 5 brake assemblies

51 first pivot piece 52 second pivot piece

521 tooth row 53 steering piece

531 groups of portion 532 ratchet clamping parts

533 engaging portion 54 first spring

55 second spring 56 additional ribs

57 post bar 6 pivot hole

7 stiffener rings 71 inner ring surface

72 outer ring surface 73 side ring surface

8 latch 81 annular groove

9 C clasp 91 breach

92 projections

Specific embodiment

Refer to shown in Fig. 1 to Fig. 8, a kind of Crimping Pliers of this utility model, and it is consolidated in order to clamp crimp type terminal 10 and deform Wiring material, it includes：One first fixture 1, one second fixture 2 and one the 3rd fixture 3, this first fixture 1, the second fixture 2 and Three fixtures 3 are all made up of two intermediate plates 4, and two intermediate plates 4 of this first fixture 1 are in spacing setting；Two intermediate plates 4 of the 3rd fixture 3 Arrange in spacing；And two intermediate plate 4 its one end of the second fixture 2 bonded to each other and be partially inserted in the first fixture 1 two intermediate plates 4 it Between, and locally expose between the first fixture 1 two intermediate plates 4 that are outer and being inserted in the 3rd fixture 3, in addition this second fixture 2 is another One end extends in vertical phase after being then bent outwardly and is in spacing setting；One brake assemblies 5, its distribution be installed in the first fixture 1, the Between two fixtures 2, each intermediate plate 4 of the 3rd fixture 3；First fixture 1, the second fixture 2, each intermediate plate 4 of the 3rd fixture 3 are mutual again It is equipped with one at the position of overlapping, and two intermediate plates 4 of the first fixture 1, the 3rd fixture 3 and the overlapping of brake assemblies 5 to run through Pivot hole 6, the pivot hole 6 being respectively superimposed with each other is to be connected；Several stiffener rings 7, its respectively urgent in each pivot hole 6, and each stiffener rings 7 Ring footpath be more than each pivot hole 6 aperture, and the hardness of each stiffener rings 7 be higher than each intermediate plate 4；And several latch 8, its extend through in Each stiffener rings 7, but the two ends of each latch 8 are arranged with an annular groove 81 respectively, are additionally provided with several C clasps 9 again and buckle located at each latch 8 Each annular groove 81 is simultaneously attached at each intermediate plate 4；Wherein, each stiffener rings 7 urgent in pivot hole 6, so as to increase each intermediate plate 4 stress, then Coordinate each latch 8 setting and reach the first fixture 1, the second fixture 2, the pivot pendulum between the 3rd fixture 3 and really clamp crimping The deformation of terminal 10 and be fixed in wire rod.

First fixture 1, the second fixture 2, the pivot hole 6 of each intermediate plate 4 of the 3rd fixture 3, the urgent plug through each stiffener rings 7 is filled out In pivot hole 6, along with wearing of each latch 8, thus can increase the rigidity of each intermediate plate 4, in general pressed During the crimping of connecting terminal 10, whole Crimping Pliers will bear maximum forced position and be each articulated section, so each articulated section is necessary There is extremely strong stress, so beyond using the stress that originally each intermediate plate 4 has itself, coordinating each stiffener rings 7, latch 8 Under setting, and each stiffener rings 7 must be certain urgent in pivot hole 6, the setting by this mode is significantly increased each intermediate plate 4 Stress uses, and provides user meeting on carrying more light compared with conventional；Not only so, operationally still maintain Existing stress, thus would not cause user outside the inconvenience in construction, further increase and easily carry, operate Practicality.

For above-mentioned, in combination between stiffener rings 7 and pivot hole 6 for this utility model, because the ring footpath of stiffener rings 7 is big In pivot hole 6 aperture, also just say that each stiffener rings 7 include an inner ring surface 71, an outer ring surface 72 and two side ring surfaces 73, wherein respectively strengthen The diameter of ring 7 be defined as a H apart from the arbitrarily biphase corresponding end points of outer ring surface 72, the diameter of pivot hole 6 be then defined as a D away from Arbitrarily biphase corresponding end points on pivot hole 6 hole wall, the arbitrarily biphase corresponding end points of internal diameter inner ring surface 71 of stiffener rings 7 is defined as The distance of one h, when stiffener rings 7 are not loaded in pivot hole 6, its distance compares for H ＞ D, when each stiffener rings 7 will load each pivot During hole 6, through under the force compression of tool, each stiffener rings 7 can be used by the size reduction of script to being packed in pivot hole 6 Actual explanation be then each stiffener rings 7 outer ring surface 72 can because being deformed under the compression process of tool and to inside contracting shifting, and The distance inside contracting is (H-D)/2；Install in pivot hole 6 after the completion of deformation inside contracts, it is with tool that the deformation of each stiffener rings 7 inside contracts again Force extruding to cause, then strongly can outwards restore after therefore loading pivot hole 6, but be limited down by the aperture of pivot hole 6, allow strong The outer ring surface 72 changing ring 7 closely sticks in the inner hole wall of pivot hole 6, and stiffener rings 7 thus can be allowed to fasten in pivot hole 6 Will not unscrupulous come off, and the prestressing force of increased each intermediate plate 4, it is to avoid each intermediate plate 4 deforms during operation, refers to Shown in Fig. 2, Fig. 3, Fig. 4, and with Fig. 1 for aiding in illustrating.

Connect described above, after the completion of each stiffener rings 7 are installed in each pivot hole 6, more each stiffener rings 7 are arranged in each latch 8, respectively The two ends of latch 8 can externally protrude out in stiffener rings 7, and its main function is to avoid the disengaging of stiffener rings 7, therefore is provided with the two ends of latch 8 Annular groove 81, and be externally provided with C clasp 9 in annular groove 81 and give inlay card, and each C clasp 9 is in C-shaped, so having a breach 91 to provide C Clasp 9 has the pre- degree of resilient contracting；In addition, the internal face in this C clasp 9 is convexly equipped with several projections 92 further, and this reality Illustrate, three projection 92 position be distributed in the internal face of C clasp 9, wherein with three projections 92 for main embodiment with new Two projections 92 can be located at the two ends close to breach 91, another projection 92 then can position in the center of C clasp 9 inwall, and respectively After the completion of projection 92 can plug-in card be embedded in the annular groove 81 of latch 8, and each C clasp 9 is installed with latch 8, latch 8 penetrates stiffener rings In 7, and stick in each intermediate plate 4 with each C clasp 9, it is to avoid latch 8 in stiffener rings 7 intrinsic displacement, disengaging, cause the first fixture 1, Two fixtures 2, the decomposition of the 3rd fixture 3 and cannot be continuing with, refer to shown in Fig. 5 to Fig. 7.But according to aforementioned stiffener rings 7, Group between pivot hole 6, latch 8, C clasp 9 loads, and then reaches the topmost requirement of subject application, and increasing the pre- of each intermediate plate 4 should Power and rigidity, allow user operation construction on can easy to carry, operation smooth, more will not have the problem of deformation.

The secondary technology of subject application is then to be overall technical characteristic, focuses on brake assemblies 5, the first fixture 1, second Fixture 2, the detail characteristic of the 3rd fixture 3, first being equipped with brake assemblies 5, refer to shown in Fig. 5, Fig. 6, this braking group Part 5 includes one first pivot piece 51, one second pivot piece 52, a steering piece 53, one first spring 54 and a second spring 55, wherein First pivot piece 51 and the second pivot piece 52 are between the first fixture 1 and two intermediate plates 4 of the 3rd fixture 3, and the first pivot piece 51 and Two pivot pieces 52 are superimposed with each other and are subject at least two latches 8 to be run through and are pivoted, and the length of this second pivot piece 52 is more than the first pivot piece 51, therefore it is formed with a tooth row 521 at one end ora terminalis of corresponding 3rd fixture 3 of this second pivot piece 52, and this second pivot piece 52 One end in two intermediate plates 4 of the first fixture 1 is then interlockingly connected with one end of the first spring 54, and the other end of this first spring 54 is then The additional ribs 56 in two intermediate plates 4 being fixed in the first fixture 1 can be detained；And this steering piece 53 is then arranged on two folders of the 3rd fixture 3 In piece 4, and this steering piece 53 is subject to the run through pivot joint of at least one latch 8, and this steering piece 53 includes one group of portion 531, a card Teeth portion 532 and an engaging portion 533, wherein this group portion 531 can expose to the 3rd fixture 3 and between the first fixture 1 and the 3rd fixture 3 Between, this ratchet clamping part 532 then can the first fixture 1 and the mutual clamping of the 3rd fixture 3 near when with the mutual grinding tooth card of tooth row 521 Connect, in addition this engaging portion 533 is then interlockingly connected with one end of second spring 55, and the other end of this second spring 55 then can be fastened on A post article 57 in two intermediate plates 4 of the 3rd fixture 3 for the position.Therefore, user operationally only must allow the first fixture 1 and the 3rd fixture After 3 is close to each other, through the elastic stretching of the first spring 54 and second spring 55, and nibbling between ratchet clamping part 532 and tooth row 521 Close, and then control closing distance between the first fixture 1 and the 3rd fixture 3 and release closing and reset, refer to Fig. 5, figure 6th, shown in Fig. 7.

Along continuous above-mentioned explanation, one end that this first fixture 1 is articulated with the second fixture 2 is all a drive section 11, and is somebody's turn to do First fixture 1 is holding section 12 in the one end in contrast to drive section 11, and this holding section 12 and the 3rd fixture 3 are provided with the second bullet One end of spring 55 is all arranged with a gripping gum cover 21 respectively, refers to shown in Fig. 5, Fig. 6；Again in the first fixture 1 and the second fixture 2 Drive section 11 in be equiped with a die block 41 further respectively between two intermediate plates 4, in other words two intermediate plates 4 of the first fixture 1 And second fixture 2 two intermediate plates 4 between and position drive section 11 in be equipped with die block 41, and each die block 41 is mutually right The side answered is arranged with several various sizes of die cavitys 411, another projection between each die cavity 411 of each die block 41 and die cavity 411 There is a pressing block 412, each pressing block 412 of each die block 41 can correspond to the die cavity 411 of another die block 41, therefore user Only the first fixture 1 and the 3rd fixture 3 must be held in hand and have and grip one end of gum cover 21 and exerted a force, allow the first fixture 1 Close to each other with the gripping gum cover 21 of the 3rd fixture 3, the die cavity 411 of each die block 41 can be clipped with pressing block 412 and crimps Terminal 10 do not compress as shown in Figure 8 before form, so can allow the certain affixed wire rod of crimp type terminal 10.

Again after completing crimping, the closing that user only must unclamp the first fixture 1 and the 3rd fixture 3 slowly can be answered Position, such as crosses and this utility model is rendered as during collapse state it is only necessary to gripping the first fixture 1 and the 3rd fixture 3 have gripping glue One end of set 21 simultaneously carries out the closing that exerts a force, and the ratchet clamping part 532 of steering piece 53 mutually can be nibbled with the tooth row 521 of the second pivot piece 52 Conjunction can be rendered as collapse state, and and for example fruit will launch to be in it is only necessary to by the first fixture 1 and the during use state from collapse state One end that three fixtures 3 have gripping gum cover 21 is further close, allows the ratchet clamping part 532 of steering piece 53 to depart from and tooth row 521 Just can be rendered as after engagement using deployed condition (not shown), be situated so as to user easy manipulation through this mode； Finally, this utility model is soft alloy in each intermediate plate 4 of the first fixture 1, the second fixture 2, the 3rd fixture 3, soft alloy example As aluminum, Precision Aluminum etc., there is high plasticity, lighter in weight, low price, and each stiffener rings 7 and each latch 8, C clasp 9 It is then hardmetal, then for example there are ferrum, rustless steel etc. in hardmetal, have high hardness, rigidity, through soft alloy cooperation The mode of hardmetal combines down, and certain offer entirety Crimping Pliers has reached lightweight, easy to carry, and price is again more general And it is important that not resulting in the situation that user deforms during using, for prior art, more stick on Near general popular use, also more tangible practicality.

The above, be only preferred embodiment of the present utility model, not this utility model is made any formal Restriction, every any simple modification above example made according to technical spirit of the present utility model, equivalent variations with Modify, all still fall within the range of technical solutions of the utility model.

Claims (3)

1. a kind of Crimping Pliers, be clamp crimp type terminal deformation and affixed wire rod it is characterised in that include：

One first fixture, one second fixture and one the 3rd fixture, this first fixture, the second fixture and the 3rd fixture all have two folders Piece, but two intermediate plates of this first fixture are in that spacing is arranged；3rd fixture, two intermediate plates be in spacing arrange；And the two of the second fixture Intermediate plate its one end is bonded to each other and is partially inserted between two intermediate plates of the first fixture, locally exposes to outside the first fixture and inserts Between two intermediate plates of the 3rd fixture, in addition the other end of this second fixture is then bent outwardly and is in spacing setting；Another this first One end that fixture is articulated with the second fixture is a drive section, and the first fixture is a gripping in the one end in contrast to drive section Section, but this holding section and the 3rd fixture be provided with one end of second spring and be all arranged with a gripping gum cover respectively；This first fixture Drive section and the second fixture there is the position of spacing and be arranged with a die block respectively further, and each die block is mutually right The side answered separately is arranged with and is separately convexly equipped with one between several various sizes of die cavitys, and each die cavity of each die block and die cavity and urges Block, the die cavity of the corresponding another die block of each pressing block of each die block；

One brake assemblies, its distribution be installed in the first fixture, the second fixture, between each intermediate plate of the 3rd fixture；And the first fixture, Second fixture, each intermediate plate of the 3rd fixture are in the position being superimposed with each other, and the first fixture, two intermediate plates of the 3rd fixture and braking It is equipped with a pivot hole running through at the overlapping of assembly；This brake assemblies further included one first pivot piece, one second pivot piece, one Steering piece, one first spring and a second spring, this first pivot piece and the second pivot piece are located at the two of the first fixture and the 3rd fixture Between intermediate plate, and this first pivot piece and the second pivot piece are superimposed with each other and are subject to the run through pivot joint of at least two latches, and this second pivot piece One end of corresponding 3rd fixture is provided with a tooth row further at ora terminalis, and this second pivot piece position is in two intermediate plates of the first fixture One end be then interlocked with one end of the first spring further, the other end of this first spring then buckles two folders being fixed in the first fixture Additional ribs in piece；This steering piece is then arranged in two intermediate plates of the 3rd fixture, and this steering piece is passed through by least one latch Wear pivot joint, and this steering piece has further included one group of portion, a ratchet clamping part and an engaging portion, wherein this group portion exposes to the 3rd folder Tool is outer, and this ratchet clamping part grinding tooth when the first fixture is relative to the 3rd fixture closing is connected in tooth row, and this engaging portion and the second bullet One end of spring is interlockingly connected, and the other end of this second spring is then fastened on the post article in two intermediate plates of the 3rd fixture；

Several stiffener rings, it is urgent respectively, and in each pivot hole, and the ring footpath of each stiffener rings is more than the aperture of each pivot hole, and each strengthens The hardness of ring is more than each intermediate plate；

And several latch, it extends through in each stiffener rings, and the two ends of each latch are arranged with an annular groove respectively, is additionally provided with number again Individual C clasp is buckled each annular groove located at each latch and is attached at each intermediate plate.

2. Crimping Pliers according to claim 1 it is characterised in that described each stiffener rings further included an inner ring surface, One outer ring surface and two side ring surfaces, the diameter of each stiffener rings is defined as a H, and the diameter of each pivot hole is defined as a D, and H ＞ D, and respectively Stiffener rings urgent enter each pivot hole when, the distance system that each outer ring surface inside contracts be H-D/2, and the outer ring surface of each stiffener rings urgent stick in The inner hole wall of corresponding pivot hole, and each stiffener rings towards the pivot hole installed inner hole wall pushing and pressing and urgent installing.

3. Crimping Pliers according to claim 1 and 2 it is characterised in that described each C clasp further included a breach and Several projections, this breach is equipped with any zone of C clasp, and each projection is then protruded by the inwall of C clasp and embeds each inserting In the annular groove of pin.