CN201968782U - Two-way bendable hooking scissors - Google Patents

Abstract

The utility model relates to two-way bendable hooking scissors. An ideal effect cannot be achieved when ordinary linear scissors and surgical scalpels in the prior art are used for cutting off or removing affected tissues. The two-way bendable hooking scissors comprise a bent rotating wheel, a forward nut, a forward threaded sleeve, a reverse threaded sleeve, a connecting sleeve, a reverse nut, a clamp rod connecting seat, a limiting seat, a clamp seat, a first bent pull rod, a second bent pull rod, a soft steel wire, a second clamp rod, a bent connecting section, a movable scissor clamp, a fixed scissor clamp, a clamp head seat and a pull rod connecting seat. One end of the first bent pull rod is sleeved in the forward threaded sleeve, one end of the second bent pull rod is sleeved in the reverse threaded sleeve, the fixed scissor clamp is fixed on the clamp head seat, the fixed scissor clamp and the movable scissor clamp are respectively provided with an arc-shaped edge, the arc-shaped edges are matched mutually, and the movable scissor clamp is connected with the fixed scissor clamp through clamp pins and is fixed on the pull rod connecting seat through pull rod pins. The two-way bendable hooking scissors have a reasonable structural design and a safe and reliable performance, are easy to operate and are convenient to use.

Description

But two-way bending hook is cut

Technical field

But this utility model relates to a kind of two-way bending hook to be cut, belong to a kind of medical apparatus and instruments that is used for operation in Wicresoft's peritoneoscope human abdominal cavity, be exclusively used in when performing the operation in Wicresoft's peritoneoscope human abdominal cavity the pathological tissues in the human abdominal cavity is cut off or excises, belong to the medical device technology mechanical field.

Background technology

In Wicresoft's peritoneoscope human body operation, single-orifice type operating walk way and porous type operating walk way are arranged, single hole combination operation passage is to cut the otch of 3-4 centimeter length together in human abdominal cavity, the combination operation passage of single hole inlet is snapped in the otch, and operating theater instruments enters in the human abdominal cavity through the combination operation passage.In operation process, need pathological tissues in the human abdominal cavity is cut off or excises, prior art is to adopt general straight scissors cutter and scalpel that pathological tissues is cut off or excises, its defective is: the straight scissors cutter is when cutting off or excising operation, because in human abdominal cavity, carry out, in the process of operating that under laparoscopically video, undergos surgery, the straight scissors cutter is easy to slippage in operation technique, the operation trouble, thereby increased certain degree of difficulty to operation technique, improve the risk of operation, do not reached ideal surgical effect.

The utility model content

The purpose of this utility model is to overcome above shortcomings in the prior art, and a kind of reasonable in design is provided, and is simple to operate, easy to use, but the safe and reliable two-way bending hook of performance is cut.

The technical scheme in the invention for solving the above technical problem is: but this two-way bending hook is cut and is comprised fixed handle, flexible handle, hinge bolt, torsion spring, a button, a pin, a spring, No. two buttons, bayonet lock, No. two springs, tooth plate, No. two pins, the latch plate, No. three pins, route button, lock pin, fixed cover, No. three springs, runner, rotary sleeve, No. four springs, ball, positioning sleeve, swivel nut and steady pin, described flexible handle is provided with pull rod slot, this flexible handle is connected on the fixed handle by hinge bolt, described torsion spring set is contained on the hinge bolt, this torsion spring matches with fixed handle and flexible handle, a described spring and No. two springs are installed in the fixed handle, described bayonet lock is installed on button, a described button is fixed on the fixed handle by a pin, this button matches with a spring, described tooth plate is fixed on the fixed handle by No. two pins, described No. two buttons are connected on the tooth plate, these No. two buttons match with fixed handle and No. two springs, described latch plate is fixed on the flexible handle by No. three pins, and this latch plate matches with tooth plate; Have lockhole in the described lock pin, described No. three springs are installed in the fixed handle, one end of described lock pin withstands on No. three springs, this lockpin ventilating is crossed fixed cover and is fixed on the fixed handle, described route button is fixed on the other end of lock pin, described No. four springs and ball are installed in the rotary sleeve, have several locating holes in the described positioning sleeve, this positioning sleeve is sleeved in the rotary sleeve, locating hole in the described positioning sleeve matches with ball in the rotary sleeve, and described swivel nut is connected in the positioning sleeve by rotary sleeve, and described positioning sleeve is fixed in the fixed handle by steady pin, be provided with positioning seat in the described runner, this runner suit is fixed on the rotary sleeve; It is characterized in that: also comprise curved moving runner, nut forward, swivel nut forward, reverse swivel nut, adapter sleeve, reverse nut, a claw beam, pull bar, draw-bar seat, the claw beam Connection Block, limit base, the pincers seat, a bending pull bar, No. two bending pull bars, stone dead wire, No. two claw beams, the bending linkage section, the movable scissors folder, the clamp pin, the fixed blade folder, stay rod pin, binding clip seat and pull bar joint chair, one end suit of a described bending pull bar is fixed on forward in the swivel nut, one end suit of described No. two bending pull bars is fixed in the reverse swivel nut, described adapter sleeve is provided with the groove seat, have chute in this adapter sleeve, described forward swivel nut and reverse swivel nut all are connected in the chute; Described forward nut is connected forward on the swivel nut, and described reverse nut is connected on the reverse swivel nut, described curved moving runner by thread set on forward nut and reverse nut; Described stone dead wire is sleeved in No. two claw beams, and an end of described pull bar has stopper slot, and an end of this pull bar and an end of draw-bar seat fix, and an end of the other end of described pull bar and stone dead wire fixes, and described draw-bar seat is connected in the pull rod slot; A described claw beam is sleeved on the pull bar, this claw beam and adapter sleeve fix, have locked groove and draw-in groove in the described claw beam Connection Block, positioning seat in the described runner is fixed in the draw-in groove, described limit base is fixed on the claw beam Connection Block, described claw beam Connection Block is sleeved on the pull bar, and this claw beam Connection Block and a claw beam fix; Described pincers seat is fixed on the adapter sleeve, and described No. two claw beam suits are fixed in the pincers seat, and described pull bar, bending pull bar and No. two bending pull bars all are sleeved in No. two claw beams; Described bending linkage section is made up of number joint bending connector, described bending connector is provided with and rolls seat, have slot rolling on this bending connector, tie rod hole and two bending threaded hole of steel, a described bending pull bar and No. two bending pull bars are set in two bending threaded hole of steel, described stone dead wire is sleeved in the tie rod hole, the seat that rolls on the described previous bending connector is arranged in slot rolling on the back bending connector, one end of described bending linkage section is fixed on No. two claw beams, the other end of this bending linkage section is fixed on the binding clip seat, the other end of the other end of a described bending pull bar and No. two bending pull bars all is fixed on the binding clip seat, and the other end of described stone dead wire is fixed on the pull bar joint chair; Described fixed blade clamping fixes on the binding clip seat, all have the curved edge of mutual coupling on this fixed blade folder and the movable scissors folder, described movable scissors folder is connected on the fixed blade folder by the clamp pin, and this movable scissors folder is fixed on the pull bar joint chair by stay rod pin.

This utility model also comprises sealing ring, and described sealing ring is connected in the runner, and the sealing circle is between runner and claw beam.

Have eight locating holes in the positioning sleeve described in the utility model.

Bending linkage section described in the utility model is made up of Psychotria rubra (Lour.) Poir. bending connector.

But two-way bending hook described in the utility model is cut and is metal material.

This utility model compared with prior art, have the following advantages and effect: this utility model is exclusively used in Wicresoft's peritoneoscope human body operation single hole inlet operating walk way, design and installation has the two-way pulling assembly of formation and two-way bending assembly on the claw beam, make things convenient for the intersection operation of apparatus forceps class to use, the caliper design and installation has hand grip control means and claw beam 360 degree rotary apparatuss, reach the multifunctionality of application, all have the curved edge of mutual coupling on fixed blade folder and the movable scissors folder, in cut-out or removal lesion tissue, it is convenient, safe, effective that operation is used.

This utility model in the application of operation, when clockwise curved moving runner, at nut forward with forward under the effect of swivel nut, bending pull bar of swivel nut promotion forward, No. one the bending pull bar promotes two-way bending assembly; Under the effect of reverse swivel nut and reverse nut, No. two bending pull bars of reverse swivel nut pulling, No. two the bending pull bar spurs two-way bending assembly; Push-and-pull forms the binding clip bending in conjunction with synchronous operation; It is opposite with said process just to reverse curved moving runner, and it is crooked in the other direction to form binding clip.The utlity model has binding clip compound bending function, when it was applied in the operation of single hole inlet operating walk way, the intersection operation that greatly facilitates the apparatus forceps class was used, and is convenient to operation technique.

This utility model design has hand grip control means and claw beam 360 degree rotary apparatuss, can reach the multifunctionality of application, in operation is used, as long as by next number button, bayonet lock just can snap in No. two buttons just, tooth plate and latch plate are thrown off, and handle can arbitrarily be used under the effect of torsion spring, and the pulling clamp is flexibly movable; When pressing No. two buttons, bayonet lock and No. two buttons are thrown off, and tooth plate snaps in the latch plate just, and the handle clamp of holding with a firm grip closes and closes, and clamp can clamp arbitrarily swing of back.Be provided with runner in this utility model, clamp can 360 degree rotate, and design has eight navigation system points, operation is used stable and very flexible, what can guarantee to perform the operation carries out smoothly, forms multi-functional.

All have the curved edge of mutual coupling on fixed blade folder of the present utility model and the movable scissors folder, in in the peritoneoscope human abdominal cavity, performing the operation, in cut-out or removal lesion tissue, the scissors bit that has curved edge is in the excision process, point of a knife is introduced into truncation surface, and then removal lesion tissue, the phenomenon of slippage can not occur, be convenient to operation technique, can reach ideal surgical effect.

This utility model can adopt metal material to make, and is convenient to the dismounting and the installation of clamp, helps cleaning and sterilization, as long as press route button, lock pin will press down, and after decontroling route button, under the effect of No. three springs, lock pin will reset.Reasonable in design of the present utility model is tight, and convenient disassembly, medical calm are that metal material is made, can irrigation and disinfection, also can use high-temperature sterilization.

Description of drawings

Fig. 1 is the structural representation that but two-way bending hook is cut among this utility model embodiment.

Fig. 2 is the structural representation after binding clip partly amplifies among Fig. 1.

Fig. 3 is the structural representation that removes among Fig. 1 after the binding clip part is also amplified.

Fig. 4 is the structure for amplifying sketch map after the B-B face is analysed and observe among Fig. 1.

Fig. 5 is the structure for amplifying sketch map between fixed handle among this utility model embodiment, route button, lock pin, fixed cover, No. three springs and the pull bar.

Fig. 6 is the main TV structure sketch map after the bending connector amplifies among this utility model embodiment.

Fig. 7 is the structural representation of looking up of Fig. 6.

Fig. 8 is the sectional structure sketch map of D-D face among Fig. 6.

Fig. 9 is the structural representation between the claw beam locking device among this utility model embodiment, two-way pulling assembly and the two-way bending assembly.

Figure 10 is the structure for amplifying sketch map of first half among Fig. 9.

Figure 11 is the structure for amplifying sketch map of latter half among Fig. 9.

Figure 12 be among Fig. 9 the A-A face analyse and observe the structure for amplifying sketch map.

Figure 13 is the structural representation between swivel nut, reverse swivel nut and the adapter sleeve forward among this utility model embodiment.

Figure 14 is the binding clip part among this utility model embodiment is carried out two-way bendable under the effect of bending linkage section a structural representation.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and by embodiment, and following examples are to explanation of the present utility model and this utility model is not limited to following examples.

Embodiment:

Referring to Fig. 1 to Figure 14, but the two-way bending hook in the present embodiment is cut and is comprised fixed handle 1, flexible handle 2, hinge bolt 3, torsion spring 4, a button 5, a pin 6, a spring 7, No. two buttons 8, bayonet lock 9, No. two springs 10, tooth plate 11, No. two pins 12, latch plate 13, No. three pins 14, route button 15, lock pin 16, fixed cover 17, No. three springs 19, runner 22, rotary sleeve 23, No. four springs 24, ball 25, positioning sleeve 26, swivel nut 28, steady pin 29, sealing ring 30, curved moving runner 31, forward nut 32, forward swivel nut 33, reverse swivel nut 34, adapter sleeve 35, reverse nut 36, a claw beam 37, pull bar 38, draw-bar seat 39, claw beam Connection Block 41, limit base 43, pincers seat 45, a bending pull bar 46, No. two bending pull bars 47, stone dead wire 48, No. two claw beams 49, the bending linkage section, movable scissors folder 56, clamp pin 57, fixed blade folder 58, stay rod pin 60, binding clip seat 61 and pull bar joint chair 62.But the two-way bending hook in the present embodiment is cut and can be adopted the metal material manufacturing to form.

Flexible handle 2 in the present embodiment is provided with pull rod slot 21, this flexible handle 2 is connected on the fixed handle 1 by hinge bolt 3, torsion spring 4 is sleeved on the hinge bolt 3, this torsion spring 4 matches with fixed handle 1 and flexible handle 2, a spring 7 and No. two springs 10 are installed in the fixed handle 1, bayonet lock 9 is installed on button 5, No. one button 5 is fixed on the fixed handle 1 by a pin 6, this button 5 matches with a spring 7, tooth plate 11 is fixed on the fixed handle 1 by No. two pins 12, No. two button 8 is connected on the tooth plate 11, these No. two buttons 8 match with fixed handle 1 and No. two springs 10, latch plate 13 is fixed on the flexible handle 2 by No. three pins 14, and this latch plate 13 matches with tooth plate 11.Fixed handle 1 and flexible handle 2 have elasticity under the effect of torsion spring 4, and pin 6 of button 5 usefulness is fixed on the fixed handle 1 and can rotates, and have elasticity at next number of effect button 5 of a spring 7; No. two buttons 8 snap in tooth plate 11 and are connected and fixed, and tooth plate 11 passes fixed handle 1 and No. two pins 12 of flexible handle 2 usefulness are fixed on the fixed handle 1 and can rotate, and No. two buttons 8 coincide with fixed handle 1 with No. two springs 10 just and are connected; No. three pins 14 of latch plate 13 usefulness are fixed on the flexible handle 2, thereby form hand grip control means.By next number button 5, bayonet lock 9 snaps in button 8 just No. two, tooth plate 11 and latch plate 13 are thrown off, fixed handle 1 and flexible handle 2 can arbitrarily rotate under the effect of torsion spring 4, press button 8 No. two, bayonet lock 9 and No. two buttons 8 are thrown off, and tooth plate 11 snaps in latch plate 13 just, and fixed handle 1 and flexible handle 2 can clamp arbitrarily swing of back.

Have lockhole 40 in the lock pin 16 in the present embodiment, No. three spring 19 is installed in the fixed handle 1, one end of lock pin 16 withstands on No. three springs 19, this lock pin 6 is fixed on the fixed handle 1 by fixed cover 17, route button 15 is fixed on the other end of lock pin 16, and No. four springs 24 and ball 25 are installed in the rotary sleeve 23.Have eight locating holes 27 in the positioning sleeve 26 in the present embodiment, can have several locating holes 27 in the positioning sleeve 26 in this utility model, this positioning sleeve 26 is sleeved in the rotary sleeve 23, locating hole 27 in the positioning sleeve 26 matches with ball 25 in the rotary sleeve 23, swivel nut 28 is connected in the positioning sleeve 26 by rotary sleeve 23, positioning sleeve 26 is fixed in the fixed handle 1 by steady pin 29, is provided with positioning seat 18 in the runner 22, and these runner 22 suits are fixed on the rotary sleeve 23; Sealing ring 30 is connected in the runner 22, and sealing circle 30 is between runner 22 and claw beam 37.Lock pin 16 in the present embodiment has lockhole 40, No. three springs 19 are filled in fixed handle 1 a back end with lock pin 16 and are compressed, fixed cover 17 is inserted in lock pin 6 and fixed handle 1 to be tightened fixingly, and it is fixing that route button 15 and the other end that is inserted in lock pin 16 are tightened, thereby form the claw beam locking device.When pressing route button 15 in the present embodiment, lock pin 6 presses down, and when decontroling route button 15, under the effect of No. three springs 19, lock pin 16 resets.Have locating hole 27 on the positioning sleeve 26 in the present embodiment, No. four springs 24 and ball 25 are installed in the rotary sleeve 23, after positioning sleeve 26 is inserted in rotary sleeve 23, ball 25 coincide with locating hole 27 just, and swivel nut 28 changes rotary sleeve 23 backs over to and is connected with positioning sleeve 26, and runner 22 and positioning seat 18 in the present embodiment are integral structure, after runner 22 is inserted in rotary sleeve 23 and fixed handle 1, tighten fixingly with rotary sleeve 23 again, it is fixing that sealing ring 30 snaps in runner 22, forms claw beam 360 degree rotary apparatuss.Rotating wheel 22 driven rotary cover 23 in the present embodiment rotates, and under the effect of No. four springs 24, ball 25 and eight locating holes 27, runner 22 has eight orientations.

One end suit of a bending pull bar 46 in the present embodiment is fixed on forward in the swivel nut 33, one end suit of No. two bending pull bars 47 is fixed in the reverse swivel nut 34, adapter sleeve 35 is provided with groove seat 63, have chute 59 in this adapter sleeve 35, forward swivel nut 33 and reverse swivel nut 34 all are connected in the chute 59; Forward nut 32 is connected forward on the swivel nut 33, and reverse nut 36 is connected on the reverse swivel nut 34, curved moving runner 31 by thread set on forward nut 32 and reverse nut 36; Stone dead wire 48 is sleeved in No. two claw beams 49, and an end of pull bar 38 has stopper slot 42, and an end of this pull bar 38 and an end of draw-bar seat 39 fix, and an end of the other end of pull bar 38 and stone dead wire 48 fixes, and draw-bar seat 39 is connected in the pull rod slot 21; No. one claw beam 37 is sleeved on the pull bar 38, this claw beam 37 fixes with adapter sleeve 35, have locked groove 40 and draw-in groove 44 in the claw beam Connection Block 41, positioning seat 18 in the runner 22 is fixed in the draw-in groove 44, limit base 43 is fixed on the claw beam Connection Block 41, claw beam Connection Block 41 is sleeved on the pull bar 38, and this claw beam Connection Block 41 and a claw beam 37 fix; Pincers seat 45 is fixed on the adapter sleeve 35, and No. two claw beam 49 suits are fixed in the pincers seat 45, and pull bar 38, bending pull bar 46 and No. two bending pull bars 47 all are sleeved in No. two claw beams 49.A bending pull bar 46 in the present embodiment is inserted in forward swivel nut 33 welding to be fixed, No. two bending pull bars 47 are inserted in reverse swivel nut 34 welding to be fixed, adapter sleeve 35 has chute 59 and is one with groove seat 63, and forward swivel nut 33 and reverse swivel nut 34 snap in chute 59 and can slide; Forward nut 32 is screwed into forward swivel nut 33 and connects, and reverse nut 36 is screwed into reverse swivel nut 34 and connects, and curved moving runner 31 is inserted in that forward nut 32 and 36 welding of reverse nut are fixing, has so just formed two-way pulling assembly.An end of pull bar 38 has stopper slot 42 and fixing with draw-bar seat 39 welding in the present embodiment, and the other end of pull bar 38 is fixed with stone dead wire 48 welding after passing two-way pulling assembly; Claw beam 37 is inserted in pull bar 38 and an end of adapter sleeve 35 to be tightened fixingly, and claw beam Connection Block 41 has locked groove 40 and draw-in groove 44, and claw beam Connection Block 41 is fixing with limit base 43 welding, and claw beam Connection Block 41 is inserted in pull bar 38 backs to be tightened fixing with a claw beam 37; No. two claw beams 49 are inserted in 45 welding of pincers seat to be fixed, and pincers seat 45 is inserted in a pull bar 38 and a bending pull bar 46 and No. two bending pull bars 47 to be tightened fixing with the other end of adapter sleeve 35.

Bending linkage section in the present embodiment is made up of Psychotria rubra (Lour.) Poir. bending connector 50, and the bending linkage section in this utility model can be made up of number joint bending connector 50.Be provided with on each bending connector 50 in the present embodiment and roll seat 53, have slot rolling 54 on this bending connector 50, tie rod hole 52 and two bending threaded hole of steel 51, a bending pull bar 46 and No. two bending pull bars 47 are set in two bending threaded hole of steel 51, stone dead wire 48 is sleeved in the tie rod hole 52, on the previous bending connector 50 roll the seat 53 slot rollings 54 that are arranged on the back bending connector 50, one end of bending linkage section is fixed on No. two claw beams 49, the other end of this bending linkage section is fixed on the binding clip seat 61, the other end of the other end of a bending pull bar 46 and No. two bending pull bars 47 all is fixed on the binding clip seat 61, and the other end of stone dead wire 48 is fixed on the pull bar joint chair 62.Bending connector 50 in the present embodiment and roll seat 53, slot rolling 54 is one, bending connector 50 has bending threaded hole of steel 51 and tie rod hole 52; Two bending threaded hole of steel 51 are inserted in a bending pull bar 46 and No. two bending pull bars 47 respectively, tie rod hole 52 is inserted in stone dead wire 48, be inserted in Psychotria rubra (Lour.) Poir. bending connector 50 in order altogether, roll seat 53 and be inserted in slot rolling 54 and flexibly movable just, first segment bending connector 50 and No. two claw beam 49 welding are fixing, Psychotria rubra (Lour.) Poir. bending connector 50 is fixing with 61 welding of binding clip seat, a bending pull bar 46 and No. two bending pull bars 47 are fixing with 61 welding of binding clip seat, stone dead wire 48 is fixing with 62 welding of pull bar joint chair, has so just formed two-way bending assembly.

Fixed blade folder 58 in the present embodiment is fixed on the binding clip seat 61, all have the curved edge 55 of mutual coupling on this fixed blade folder 58 and the movable scissors folder 56, movable scissors folder 56 is connected on the fixed blade folder 58 by clamp pin 57, and this movable scissors folder 56 is fixed on the pull bar joint chair 62 by stay rod pin 60.Fixed blade folder 58 and 61 welding of binding clip seat in the present embodiment are fixing, fixed blade folder 58 and movable scissors folder 56 have curved edge 55, when fixed blade folder 58 and 56 clampings of movable scissors folder, curved edge 55 couplings that are positioned on fixed blade folder 58 and the movable scissors folder 56 are coincide, movable scissors folder 56 and fixed blade folder 58 usefulness clamp pins 57 are fixed on the binding clip seat 61 and can rotate, the end section of bending active clamp 56 is fixed on the pull bar joint chair 62 and can rotates with stay rod pin 60, and penetrate claw beam 360 degree rotary apparatus and claw beam locking devices, draw-bar seat 39 snaps in pull rod slot 21 just and is connected and fixed, under the effect of No. three springs 19, locked groove 40 snaps in lockhole 20 lockings just, it is fixing that positioning seat 18 snaps in draw-in groove 44 just, press route button 15, lock pin 6 presses down.

Above content described in this description only is to the explanation of this utility model structure example.This utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount the defined scope of these claims, all should belong to protection domain of the present utility model.

Claims (5)

1. but a two-way bending hook is cut, comprise fixed handle, flexible handle, hinge bolt, torsion spring, a button, a pin, a spring, No. two buttons, bayonet lock, No. two springs, tooth plate, No. two pins, the latch plate, No. three pins, route button, lock pin, fixed cover, No. three springs, runner, rotary sleeve, No. four springs, ball, positioning sleeve, swivel nut and steady pin, described flexible handle is provided with pull rod slot, this flexible handle is connected on the fixed handle by hinge bolt, described torsion spring set is contained on the hinge bolt, this torsion spring matches with fixed handle and flexible handle, a described spring and No. two springs are installed in the fixed handle, described bayonet lock is installed on button, a described button is fixed on the fixed handle by a pin, this button matches with a spring, described tooth plate is fixed on the fixed handle by No. two pins, described No. two buttons are connected on the tooth plate, these No. two buttons match with fixed handle and No. two springs, described latch plate is fixed on the flexible handle by No. three pins, and this latch plate matches with tooth plate; Have lockhole in the described lock pin, described No. three springs are installed in the fixed handle, one end of described lock pin withstands on No. three springs, this lockpin ventilating is crossed fixed cover and is fixed on the fixed handle, described route button is fixed on the other end of lock pin, described No. four springs and ball are installed in the rotary sleeve, have several locating holes in the described positioning sleeve, this positioning sleeve is sleeved in the rotary sleeve, locating hole in the described positioning sleeve matches with ball in the rotary sleeve, and described swivel nut is connected in the positioning sleeve by rotary sleeve, and described positioning sleeve is fixed in the fixed handle by steady pin, be provided with positioning seat in the described runner, this runner suit is fixed on the rotary sleeve; It is characterized in that: also comprise curved moving runner, nut forward, swivel nut forward, reverse swivel nut, adapter sleeve, reverse nut, a claw beam, pull bar, draw-bar seat, the claw beam Connection Block, limit base, the pincers seat, a bending pull bar, No. two bending pull bars, stone dead wire, No. two claw beams, the bending linkage section, the movable scissors folder, the clamp pin, the fixed blade folder, stay rod pin, binding clip seat and pull bar joint chair, one end suit of a described bending pull bar is fixed on forward in the swivel nut, one end suit of described No. two bending pull bars is fixed in the reverse swivel nut, described adapter sleeve is provided with the groove seat, have chute in this adapter sleeve, described forward swivel nut and reverse swivel nut all are connected in the chute; Described forward nut is connected forward on the swivel nut, and described reverse nut is connected on the reverse swivel nut, described curved moving runner by thread set on forward nut and reverse nut; Described stone dead wire is sleeved in No. two claw beams, and an end of described pull bar has stopper slot, and an end of this pull bar and an end of draw-bar seat fix, and an end of the other end of described pull bar and stone dead wire fixes, and described draw-bar seat is connected in the pull rod slot; A described claw beam is sleeved on the pull bar, this claw beam and adapter sleeve fix, have locked groove and draw-in groove in the described claw beam Connection Block, positioning seat in the described runner is fixed in the draw-in groove, described limit base is fixed on the claw beam Connection Block, described claw beam Connection Block is sleeved on the pull bar, and this claw beam Connection Block and a claw beam fix; Described pincers seat is fixed on the adapter sleeve, and described No. two claw beam suits are fixed in the pincers seat, and described pull bar, bending pull bar and No. two bending pull bars all are sleeved in No. two claw beams; Described bending linkage section is made up of number joint bending connector, described bending connector is provided with and rolls seat, have slot rolling on this bending connector, tie rod hole and two bending threaded hole of steel, a described bending pull bar and No. two bending pull bars are set in two bending threaded hole of steel, described stone dead wire is sleeved in the tie rod hole, the seat that rolls on the described previous bending connector is arranged in slot rolling on the back bending connector, one end of described bending linkage section is fixed on No. two claw beams, the other end of this bending linkage section is fixed on the binding clip seat, the other end of the other end of a described bending pull bar and No. two bending pull bars all is fixed on the binding clip seat, and the other end of described stone dead wire is fixed on the pull bar joint chair; Described fixed blade clamping fixes on the binding clip seat, all have the curved edge of mutual coupling on this fixed blade folder and the movable scissors folder, described movable scissors folder is connected on the fixed blade folder by the clamp pin, and this movable scissors folder is fixed on the pull bar joint chair by stay rod pin.

2. but two-way bending hook according to claim 1 is cut, and it is characterized in that: also comprise sealing ring, described sealing ring is connected in the runner, and the sealing circle is between runner and claw beam.

3. but two-way bending hook according to claim 1 and 2 is cut, and it is characterized in that: have eight locating holes in the described positioning sleeve.

4. but two-way bending hook according to claim 1 and 2 is cut, and it is characterized in that: described bending linkage section is made up of Psychotria rubra (Lour.) Poir. bending connector.

5. but two-way bending hook according to claim 1 and 2 is cut, and it is characterized in that: but described two-way bending hook is cut and is metal material.

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