CN2130769Y

CN2130769Y - Foldable unpacking pliers

Info

Publication number: CN2130769Y
Application number: CN 92216090
Authority: CN
Inventors: 宁先中
Original assignee: Individual
Current assignee: Individual
Priority date: 1992-05-30
Filing date: 1992-05-30
Publication date: 1993-04-28
Anticipated expiration: 2002-05-30

Abstract

The utility model discloses a pair of unpacking pliers for breaking wires, composed of a fixed pliers opening, a movable pliers opening and two pliers handles. The utility model is characterized in that a one-way foldable force reinforcement bar is respectively hinged on the two pliers handles, wherein, the force reinforcement bar on the pliers handle which is connected with the fixed pliers opening can be manufactured with the form of a supporting seat. The force reinforcement bar has the functions of reinforcing force, supporting and closing covers. Simultaneously a connecting bar is hinged on the pliers handle. The other end of the connecting bar is hinged with the force reinforcement bar on the other pliers handle together. The utility model has the advantages of simple structure, convenient portability, labour saving and larger shearing force. The utility model is suitable for using for the situations that the iron wire diameters of the binding objects are larger. In particular the utility model is suitable for using for a U-shaped ring in the railway freight traffic and opening and closing a lock for sealing. When the utility model is not used, the bars of the pliers can be folded, and the bars of the pliers are sheathed in a closing cover.

Description

Foldable unpacking pliers

The utility model relates to a kind of Unlocking pliers of the usefulness that breaks, and particularly is suitable for the collapsible Unlocking pliers that railway freight is used.

In the pliers of existing broken string usefulness, commonly used have eagle nose pliers, nipping pliers etc., but the shearing force of these pliers is little, and can only cut off diameter is the following iron wire of 4mm.Therefore when to cut off diameter be iron wire more than the 4mm, commonly used long the broken string pliers, but this pliers deal is heavy, pincers are long, carry inconvenience, especially be difficult to adapt to clevis eye and the sealing lock that present railway uses, article do not have the space with clevis eye is stubborn after death by on the door nose that is fixed on car door tightly, and long is the broken string pliers that straight mouth shape can not be stretched in the iron wire owing to the edge of a knife, cause iron wire and pliers interlock not to be gone up and be difficult to reach the purpose of broken string unpacking, use length very dangerous simultaneously, need both hands during use firmly, can not hold up safe thing with handgrip the diagonal plier child-operation, in case do not note and overexert, face upward easily to turn over and get injured by a fall.

It is a kind of simple in structure that the purpose of this utility model is to provide, and safety of operation is in light weight, shearing force is big, can reduce to clamp the portable collapsible Unlocking pliers length.

Technical solution of the present utility model is, by decide jaw 4, movable clamp port 5, pincers 1 and pincers the 10 collapsible Unlocking plierses of forming, it is characterized in that clamp 10 with clamp 1 on be connected the reinforcement bar of a unidirectional-folding respectively with hinge.

In this programme, pincers can be made supporting seat 13 to the reinforcement bar on 1, establish a pipe link 14 at pincers on 1, and the one end is connected 1 with clamping by hinge 17, and the other end passes through hinge 11 and is connected with the reinforcement bar 9 that clamps on 10.

In this programme, supporting seat 13 is made uncovered platybasic type.

The utility model is simple in structure, shearing force is big, no matter the iron wire of binding object is twisted how tightly, whether the space is arranged between iron wire and the binding, as long as iron wire is exposed on the body surface, can and cut off by the interlock of this Unlocking pliers, and only need just the iron wire more than the diameter 4mm can be disconnected with a manual manipulation, safety labor-saving, with 600mm commonly used at present is long the broken string pliers is compared, the curtailment of this Unlocking pliers its 1/2nd, weight be its 1/3rd, price only is this long half the broken string pliers.

Following accompanying drawing has been described embodiment of the present utility model.

Fig. 1 is structure of the present utility model and running condition scheme drawing;

Fig. 2 is a folded state diagram of the present utility model;

Fig. 3 is the A-A section-drawing of Fig. 1;

Fig. 4 is the B-B section-drawing of Fig. 1;

Fig. 5 is that the C of Fig. 1 is to view.

Below in conjunction with accompanying drawing the utility model is described in detail, among Fig. 1, decide jaw 4, movable clamp port 5 has been formed jaw, its shape can be made into flat pattern and also can be made into straight type, the place that the space is arranged between binding and iron wire, non-aloft work and when not needing to support, the jaw shape can be made into straight type, otherwise then needs jaw is made flat pattern, twists how tightly no matter the advantage of flat pattern jaw is a cutting object, as long as it is at body surface, just can be decided jaw 4, movable clamp port 5 is bitten and is cut off, under clamping same long situation, it is more laborsaving than using straight mouth pliers to use flat nose pliers, in the present embodiment,, jaw is made flat pattern for satisfying actual needs.

Among Fig. 1, clamping plate 6 pass through hinge 7 and decide jaw 4 and movable clamp port 5, and rivet 3 is decided jaw 4, and hinge 2 connections are decided jaw 4 and clamped 1, and hinge 21 connects movable clamp ports 5 and clamps 10, and hinge 8 connections clamp 1 and clamp 10.Key problem in technology of the present utility model be pincers 1 with clamp 10 on be connected the reinforcement bar of a unidirectional-folding respectively with hinge.But pincers on establish the reinforcement bar of unidirectional-folding, can strengthen shearing force and don't make pincers, convenient working and carrying long.Pincers can be made into various forms to the reinforcement bar on 1, as the reinforcement bar being made the form of sleeve pipe, be enclosed within pincers on 1, during use, sleeve pipe can be pulled out, 1 end is fixed together with pincers, make pincers 1 lengthening, time spent not retracts sleeve pipe and is enclosed within pincers on 1, this formula pliers usefulness that can break when not have the object that supports.In the present embodiment, be that pincers are made supporting seat 13 to the reinforcement bar on 1, supporting seat 13 and pincers linked together that the while is established a pipe link 14 to 1 on clamping 1 with hinge 15, the one end is connected 1 with pincers by hinge 17, and the other end passes through hinge 11 and is connected with the reinforcement bar that clamps on 10.Adopt such structure that following advantage is arranged: the one, can connect reinforcement bar 9 by pipe link 14, make two pincers become downward pressure to the grip of inside usefulness, application force is strengthened, firmly convenient, only get final product during use with a hand, the another hand can be holding up safe thing; Simultaneously by pipe link 14 will clamp 1 and pincers link together 10, when using Unlocking pliers, can prevent the binding clip perk like this, the 2nd, make supporting seat have reinforcement, the effect of support and seal boot three aspects.

Pipe link 14 is a lot of with reinforcement bar 9 ways of connecting, in the present embodiment is pipe link 14 and this end of reinforcement bar 9 bonded assemblys are made fork-shaped, and the end of reinforcement bar 9 is sandwiched in the fork groove of pipe link 14, connects (see figure 4)s with hinge 11.Pincers are made fork-shaped equally to 10 end, the turn of bilge end of reinforcement bar 9 are sandwiched in this fork groove, with hinge 16 connections.The coupling end of pipe link 14 and reinforcement bar 9 under the constraint of hinge 17 and hinge 16 in this fork groove the motion (see figure 5).Supporting seat 13 is made uncovered platybasic type, pincers is sandwiched 1 in supporting seat 13 uncovered, with hinge 15 connection (see figure 3)s.

Pincers can be made the full mold shape to 1 to 10 with pincers, also can be made into the grooved shape, are that steel plate is struck out grooved in the present embodiment, are convenient to fixedly reinforcement bar 9, pipe link 14 and supporting seat 13 like this, and this structure can be gained in strength, and alleviates caliper weight, are convenient to make.Pincers are made strip shape to the pan 19 of 1 end, and hinge 15 drives supporting seat 13 and moves forward and backward in pan 19, but moves forward fixed supporting seat 13, move backward to make supporting seat 13 entangle reinforcement bar 9 and pipe link 14.Pin 12 is fixed on the supporting seat 13, and when supporting seat 13 moved forward, pin 12 just blocked the end that clamps 1, and restriction supporting seat 13 can not move backward, makes it to play fixed supporting role; When pin 12 be stuck in pincers the groove 20 of 1 end on the time, make supporting seat 13 when operation, play fixation, make it and can not move forward since supporting seat 13 be shaped as up-narrow and down-widely, the bottom is a platybasic type, so supporting seat 13 can not be moved forward.

When using supporting seat 13, hinge 15 can be moved to the jaw direction in pan 19, this moment, pin 12 dropped on pincers in the groove 20 of 1 end, pincers block pin 12 to 1 end, make the bottom of supporting seat 13 parallel 1 with pincers, like this, make reinforcement bar 9 and cutting object surface that one fixed gap be arranged, be convenient to shear.

Supporting seat 13 is the time spent not, hinge 15 can be retracted end direction to pincers in pan 19, and pin 12 and pincers are thrown off 1 end, supporting seat 13 can be moved 10 end directions to pincers, entangles reinforcement bar 9 and pipe link 14, and caliper is folded.

The handbar of reinforcement bar 9 puts with rubber case 18, with convenient working.

When the utility model uses, with 13 of supporting seats at object place, if railway freight is used with the iron wire binding, binding and door bolt, knocker are screwed in a time-out, supporting seat 13 can be supported on the car door, open reinforcement club handle end 18 with pulling, pipe link 14 is yi word pattern with reinforcement bar 9 bonded assemblys one end, this moment, jaw was flared at utmost, clamp cutting object, press reinforcement club handle end 18 with hand one, pincers are 1 and clamp 10 inwardly closed, make jaw closed thereupon, iron wire can be cut off.When if iron wire is bundled on the object plane, then needn't use supporting seat 13, as long as handle reinforcement club handle end 18, iron wire is promptly cut off.When the utility model does not use, can reinforcement bar 9 is folding, in pipe link 14 drew in supporting seat 13 inside grooves, making Unlocking pliers be in the folded state (see figure 2) can put pliers with leather sheath, carries light and beautiful.

Structure of the present utility model can be used on the unpacking pliers of all size.

The utility model can be used for railway, bay harbour, airport shipping, freight container etc., and all are the ideal tools of the above iron wire sealing of φ 4mm thing unpacking usefulness with diameter, and range of use is wide, are particularly suited for U type ring and sealing lock unpacking usefulness that present railway circus caravan uses.The utility model jaw material is a special alloy steel, and the material at other position is the 45# steel, forges and makes through die stamping, typing.

Claims

1, a kind of collapsible Unlocking pliers, comprise decide jaw 4, movable clamp port 5, pincers 1 and pincers 10, it is characterized in that, clamp 10 with clamp 1 on be connected the reinforcement bar of a unidirectional-folding respectively with hinge.

2, collapsible Unlocking pliers according to claim 1, it is characterized in that clamping and to make supporting seat 13 to the reinforcement bar on 1, establish a pipe link 14 at pincers on 1, the one end is connected 1 with pincers by hinge 17, and the other end passes through hinge 11 and is connected with the reinforcement bar 9 that clamps on 10.

3, collapsible Unlocking pliers according to claim 2 is characterized in that described supporting seat 13 makes uncovered platybasic type.