CN101992463B

CN101992463B - Telescopic pickup clamp

Info

Publication number: CN101992463B
Application number: CN2010102905768A
Authority: CN
Inventors: 李爱良
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-09-20
Filing date: 2010-09-20
Publication date: 2012-01-25
Anticipated expiration: 2030-09-20
Also published as: CN101992463A

Abstract

The invention discloses a telescopic pickup clamp, which belongs to a clamping tool. The telescopic pickup clamp comprises a clamping part, a holding part and a connecting pipe for connecting the clamping part and the holding part, wherein the clamping part consists of clamp pins, clamp pin seats, a sliding block, a connecting rod, a pressure spring and the like; the holding part consists of a handle, a spanner, a fixed rocker arm, a movable rocker arm and the like; and the connecting pipe comprises an outer pipe and an inner pipe telescopically arranged in the outer pipe, a sliding assembly and a pull rope for realizing opening and closing of the clamp pins are arranged in the connecting pipe, and the spanner of the holding part is operated to draw the pull rope to drive the opening and closing of the clamp pins of the clamping part so as to realize pickup and placement of an article. The telescopic lengths of the inner pipe and the outer pipe enable the whole pickup clamp to have the advantage of adjustable length, the sliding assembly is mainly acted in the telescopic adjustment of the lengths of the inner pipe and the outer pipe and can ensure normal use of the pickup clamp all the time, the clamp pin seats of the improved pickup clamp can perform angle rotation so as to meet the service requirements of special situations, and the telescopic pickup clamp is convenient for operation and extensive in application situations.

Description

Telescopic lost article found pincers

Technical field

The present invention relates to a kind of clamping kind tool, be meant a kind of hoist or lower picks up the telescopic lost article found pincers of article specifically.

Background technology

In the daily life; People need hoist or lower picks up article; Because the restriction of arm length often can't get at article; For this reason this case applicant in first to file Chinese patent number be 200720108974.7 " lost article found pincers ", the technical scheme that this patent disclosed is that it comprises the retained part of being made up of pincers pin, pincers runners, slide block, connecting rod and stage clip etc.; By handle, spanner, the fixing grip portions formed such as rocking arm and movable rocking arm; Connect the tube connector of retained part and grip portions and the stay cord of the interior realization pincers of tube connector pin opening and closing etc.; Realize picking up and decontroling of article through the spanner tractive stay cord of handling grip portions, the pincers pin folding that drives retained part; These lost article found pincers are simple to operate; Just as people's arm has been realized prolongation, therefore can easily pick up the article that are positioned at eminence or lower, for people's life provides great facility.Yet; The whole length of this lost article found pincers mainly is that the length dimension through tube connector decides; And the tube connector that uses at present is exactly the outer tube that two ends are connected with grip portions with retained part respectively, in order to satisfy the use needs of all lengths, often need the tube connector that lost article found clamps be designed to each length dimension; The lost article found pincers of the corresponding a kind of dimensions of the tube connector of a length dimension; This is for use unusual trouble undoubtedly, and if buy the lost article found pincers of all lengths size, also can increase consumer's purchase cost greatly.

Summary of the invention

Technical problem to be solved by this invention is to overcome the defective of prior art and provides a kind of telescopic lost article found that can conveniently adjust lost article found pincers length to clamp; These lost article found pincers only need greatly to have reduced consumer's purchase cost once the use needs that can satisfy a plurality of length dimensions.

Technical problem of the present invention realizes through following technical scheme:

A kind of telescopic lost article found pincers, it comprises retained part, grip portions, and connects the tube connector of retained part and grip portions;

Described retained part has the opening and closing pincers pin of two symmetrical structures; The middle part of these two pincers pin is hinged with the pincers runners, and the rear portion is plugged on respectively in the slide block in the pincers runners and goes to upper and lower the closed assembly state in the form of sheets; Be connected with connecting rod on the slide block; This connecting rod passes the pincers runners and front stall is connected on the slide assemblies that is positioned at tube connector, also is set with stage clip on the connecting rod, and this stage clip two ends difference pushing tow is on the interior shoulder of slide block and pincers runners;

Being provided with an end in the described tube connector connects slide assemblies, other end connection grip portions and receives grip portions to handle the stay cord of tractive;

Described grip portions is made up of the spanner that handle that has inside groove and swing are connected the handle inside groove, also is provided with upper end and the hinged fixedly rocking arm of handle in the handle, and this is fixedly hinged on rocking arm lower end and the movable rocking arm, and said stay cord is connected movable rocking arm lower end,

Described tube connector comprises the outer tube that rear end and handle fix, and is provided with the interior pipe of movable telescopic in this outer tube, and interior pipe front end oriented movable is fitted in the pincers runners, and fixes with front stall; Described outer tube front end is provided with the flexible locked component of pipe in the locking;

Described slide assemblies comprises the tooth bar that is arranged in the interior pipe, and this tooth bar front end connects connecting rod, and the rear end is provided with short the pin; Also being provided with on the described tooth bar along tooth bar does not have the sliding seat of rotating toward polyslip, is provided with the swing component that connects with bearing pin in this sliding seat, and is provided with the monodentate that is meshed with tooth bar at swing component one end, and the other end is provided with the short spring of pushing tow swing component; Described stay cord passes sliding seat and is connected on the monodentate; Also be provided with two draw points in the pipe in described; This two draw points, one end activity is located on the sliding seat, and the other end is fixed on the back seat, all is set with long spring on two draw points; This long spring one end pushing tow is on sliding seat, and the other end is fixed on the draw point with heat-shrinkable tube.

It is on outer wall of inner tube, to be provided with interior tube seat along its length that described interior oriented movable of managing and clamping runners is equipped with, corresponding first positioning key that is equipped with tube seat in this that on clamping the runners inwall, is provided with.

Tube seat is provided with two in described, and does the center symmetrical distribution, and corresponding first positioning key is provided with four, and makes circumference uniform distribution.

Described tooth bar be provided with along tooth bar do not have rotate toward polyslip guide pad, this guide pad is provided with and supplies stay cord and two guiding breach that draw point passes respectively, also is provided with the guide pad groove.

Described tooth bar is provided with no teeth groove near short pin one end.

Described sliding seat is cylindrical, and this sliding seat is provided with two and makes the sliding seat groove that the center is symmetrically distributed; Described front stall is provided with two and makes the front stall groove that the center is symmetrically distributed; Described inner tube wall is provided with two whiles interior Guan Jian equipped mutually with sliding seat groove, front stall groove.

Described long spring and draw point fixedly be on draw point, to be set with spring washer, also be provided with on this draw point simultaneously and stop the spring washer punch die flaser texture of slippage backward, described long spring push and is fixed by heat-shrinkable tube on said spring washer.

Described locked component comprises the fixture that fixes with the outer tube front end, and this fixture front end is provided with the open slot of a plurality of circumference uniform distributions, also is provided with the anti-decylization of a circle; Described fixture inwall is provided with second positioning key, and fixture is provided with the cover of screwing that is threaded with it outward, is the taper hole structure in this cover of screwing.

Described spanner also is provided with the roller that supplies stay cord to reel and pass in the upper end, and this roller is hinged on the handle with spanner is coaxial.

Compared with prior art; The present invention is the inner and outer pipe that tube connector is designed to the interaction suit; And slide assemblies is housed in tube connector, the flexible length of inner and outer pipe can let whole lost article found tonger that length-adjustable advantage is arranged, and the effect of slide assemblies is mainly reflected in the inner and outer pipe telescopic adjustment process, can guarantees all the time that the lost article found pincers normally use; Structure after the improvement is except carrying out the telescopic adjustment; The pincers runners can also carry out angular turn, satisfies the use needs of special occasions, and these lost article found pincers are easy to operate, the application scenario is more extensive.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the slide assemblies structural representation that stay cord is installed.

Fig. 3 is the A place enlarged drawing of Fig. 1.

Fig. 4 is the structural representation of tooth bar.

Fig. 5 is the structural representation of sliding seat.

Fig. 6 is the structural representation of swing component.

Fig. 7 is the structural representation of guide pad.

Fig. 8 is the partial structurtes sketch map of interior pipe.

Fig. 9 is the structural representation of fixture.

The specific embodiment

To elaborate again to the embodiment of the invention by above-mentioned accompanying drawing below.

Like Fig. 1～shown in Figure 9,1. retained part, 11. chucks, 12. pincers pin, 13. clamp teeth, 14. pincers runners, 15. slide blocks, 16. first positioning keys, 17. stage clips, 18. pull bars, 19. front stalls, 191. front stall grooves, 2. slide assemblies, 20. tooth bars, 201. no teeth groove, 21. short springs, 22. swing components, 221. bearing pins, 222. monodentates, 23. guide pads, 231. guiding breach, 232. guide pad grooves, 24. draw points, 25. long springs, 26. heat-shrinkable tubes, 27. short pins, 28. back seats, 29. sliding seat, 291. sliding seat grooves, 292. rectangular openings, 293. mounting grooves, 3. locked component, 31. fixtures, 32. screw cover, 33. anti-decylizations, 34. open slots, 35. second positioning keys, 4. tube connector, 41. interiorly manage, 411. interior tube seats, 412. interior Guan Jian, 42. outer tubes, 5. fixedly rocking arm, 55. movable rocking arms, 56. handle covers, 57. spanners, 6. stay cord of grip portions, 51. rollers, 52. handles, 53. links, 54..

Telescopic lost article found pincers are made up of the tube connector 4 of retained part 1, grip portions 5 and connection retained part and grip portions.

But described retained part 1 has the symmetry pincers pin 12 of two opening and closing; This pincers pin is hook solid; Head upwarps slightly, and pincers pin inboard is provided with the chuck 11 of embedding and injection molding one mutual with it, and the chuck inner surface is provided with the clamping tooth 13 that is made up of a plurality of salient points; Clamping is firm when helping lost article found, prevents that the gripped object article from coming off.Two pincers pin 12 middle parts are hinged on the pincers runners 14 through short pin; This pincers runners is made up of with the rear end with connecting portion the front end of equilateral triangle shape; Two pin joints just lay respectively on two base angles of equilateral triangle, so can be in symmetrical horizontal level.Two pincers pin 12 rear portions in the form of sheets; And be plugged on simultaneously in the slide block 15 in the pincers runners 14 and go to upper and lower the closed assembly state; Be connected to connecting rod 18 in the slide block rear end with supersonic welding, this welding manner should guarantee that connecting rod can not come off from slide block 15, can freely rotate relative to slide block again after welding.These connecting rod 18 rear ends are passed pincers runners 14 and are connected on the slide assemblies 2 in the tube connector 4 with the outer front stall 19 of pincers runners, and front stall 19 is provided with the front stall groove 191 that two centers are symmetrically distributed.Pushing tow is on the interior shoulder of slide block 15 and pincers runners 14 respectively for the connecting rod 18 outer stage clips 17 that are set with, these stage clip two ends, and its elastic force must promote slide block 15 and satisfy pincers pin 12 open needs, the reset response when playing the opening and closing of pincers pin.

Described tube connector 4 adopts aluminum pipe to process; Be by outer tube 42 and be arranged on the interior pipe 41 that carries out movable telescopic in the outer tube and constitute; Interior pipe front end oriented movable is fitted in the pincers runners 14; Should equipped mode be on outer wall of inner tube, to be provided with two along its length to make the interior tube seats 411 that the center is symmetrically distributed, and correspondingly on the inwall of pincers runners 14 rear ends, be provided with first positioning key 16 that four circumference uniform distributions are " ten " font, this first positioning key be equipped with interior tube seat 411 mutually.When with the outside drawing of the interior pipe of the pincers runners 14 relative tube connectors 4 of retained part 1 41; First positioning key 16 breaks away from interior tube seat 411; Clamping runners 14 this moment does to peg graft again after 90 ° of rotations of positive and negative direction equipped again; Can form the state that the pincers pin can both use two rotation directions, to satisfy the use needs that pick up specific position.Interior pipe 41 front ends also fix through screw and front stall 19, and the width dimensions of front stall can determine the size of pincers pin 12 opening and closing angles.Width is big, and it is little then to clamp pin opening and closing angle; Width is little, and it is big then to clamp pin opening and closing angle.In the time of simultaneously in interior pipe 41 retraction outer tubes 42, also can drive the motion backward together of whole retained part 1, realize the shortening of whole lost article found pincers length through front stall 19.

Outer tube 42 front ends are provided with the locked component 3 that pipe 41 stretches in the locking; This locked component comprises the fixture 31 that fixes with outer tube 42 front ends; This fixture front end is provided with the open slot 34 of four circumference uniform distributions, and the front end outer surface is provided with the anti-decylization 33 of a circle, and fixture 31 inner surfaces are provided with second positioning key 35 that two centers are symmetrically distributed; This second positioning key is equipped mutually with the interior tube seat 411 of interior pipe 41, the orientation when pipe 41 stretched turnover in this structure can play in fixture 31; The fixture 31 outer covers 32 of screwing that are threaded that are equipped with are the taper hole structure in this cover of screwing.The cover 32 of screwing is inwardly screwed, can be with interior pipe 41 lockings through taper hole structure compressing open slot 34; The cover 32 of screwing outwards screws out, and pipe 41 can phase outer tube 42 freely stretch again in open slot 34 was released and makes.The effect of anti-decylization 33 is to prevent to screw after cover 32 relative fixed parts 31 outwards screw out, from the fixture loss that comes off.Outer tube 42 rear ends are fixed on the handle 52 of grip portions 5 with screw.

In the pipe 41, this slide assemblies comprised rectangular tooth bar 20 in described slide assemblies 2 was arranged on, and this tooth bar front end and connecting rod 18 are hinged, and the rear end is provided with short pin 27, also was provided with no teeth groove 201 near short pin end.Being equipped with on the tooth bar with rectangular opening 292 does not have the sliding seat 29 and guide pad 23 of rotating toward polyslip with tooth bar 20 active mountings and along tooth bar, and the short pin 27 that the tooth bar rear end is provided with can play the effect that prevents that sliding seat 29 and guide pad 23 from coming off from tooth bar.Described sliding seat 29 is cylindrical; Its outer surface is provided with two and makes the sliding seat groove 291 that the center is symmetrically distributed; In these two sliding seat grooves are fitted on the set interior pipe key 412 of pipe 41 inwalls, the interior Guan Jian of interior pipe manages 41 interior tube seat 411 in fact being exactly simultaneously to the formed structure of center indent.Sliding seat 29 is provided with mounting groove 293; Swing component 22 is housed in this mounting groove; Swing component is connected with sliding seat 29 with bearing pin 221 and forms swing, and the short spring 21, the rear end that are provided with pushing tow swing component 22 at the swing component front end are provided with the monodentate 222 that is meshed with tooth bar 20, and no teeth groove 201 structures on the above-mentioned tooth bar 20 mainly are shortly to sell 27 when neighbouring when sliding seat 29 moves to; The monodentate 222 of swing component 22 just is positioned at no teeth groove 201, so receive stay cord 6 tractives also can not form stuck structure with tooth bar 20.Described guide pad 23 is provided with three guiding breach 231 and a guide pad groove 232, and this guide pad groove is equipped mutually with the interior pipe key 412 of interior pipe 41.

Pipe also is provided with respectively steel wire tow line 6 and two draw points 24 that the guiding breach 231 through guide pad 23 leads in 41 in described, can prevent that the course of work medium pulling rope from twining with draw point mutually after being led by the breach 231 that leads.Stay cord 6 front ends pass sliding seat 29 and are connected on the monodentate 222, and the rear end connects grip portions 5 and also receives it to handle tractive, can drive monodentate 222 and are engaged on the tooth bar 20 when steel cable pulls back.Two draw point 24 front end activities are located on the sliding seat 29; On the back seat 28 in the rear end is fixed on outside the pipe 41; On two draw points, all be set with long spring 25, this long spring front end pushing tow is on sliding seat 29, and the rear end pushing tow is on spring washer; The slippage backward of spring washer stops it is on draw point, to be provided with punch die to press inclined to one side structure, and this position is fixing with heat-shrinkable tube 26 more then.The effect of this long spring is mainly reflected in when stay cord 6 pulling monodentates 222 can pushing tow sliding seat 29 and give a deboost; Monodentate 222 is meshed with tooth bar 20 with prestissimo; When simultaneously stay cord 6 unclamps again in time pushing tow sliding seat 29 travel forward, the monodentate 222 that drives swing component 22 in time meshes with tooth bar 20 disengagings.

Described grip portions 5 by the handle that has inside groove 52, and be hinged in the handle inside groove and can form at the spanner 57 of inside groove swing with the upper end, the undaform that these spanner 57 exterior design be and finger is identical, increase grips comfortableness.With the coaxial roller 51 in addition that is hinged on the handle 52 of spanner, this roller supplies stay cord 6 coilings to pass.Described handle 52 outer surfaces are pasted with the plastic soft shell of TPR; The handle afterbody is provided with link 53 with the convenient extension that colludes at any time; Be provided with the upper end in the handle with resilient key and the hinged fixedly Rocker arm 54 of handle; Fixedly the rocking arm lower end is hinged with the upper end of movable Rocker arm 55 again simultaneously, and the lower end of movable rocking arm connects stay cord 6 with the stainless steel resilient key, can tractive stay cord 6 behind fixedly Rocker arm 54 that spanner 57 compressings of being in one's hands are mutually hinged and the movable Rocker arm 55.Be fixed with handle cover 56 in handle 52 bottoms through screw.

The structural design of these lost article found pincers is very novel, ingenious; Pipe key 412 in pipe 41 is provided with for example; Corresponding respectively equipped mutually sliding seat groove 291 and the guide pad groove 232 of being provided with on sliding seat 29 and the guide pad 23; This equipped structure makes sliding seat 29 and guide pad 23 in interior pipe 41, can only carry out sliding motion and can not rotate; Therefore when retained part 1 need turn to 90 ° use location, just can not drive slide assemblies 2 and rotate together, avoid tooth bar 20, stay cord 6 and draw point 24 coilings in the tube connector 4 to be entangled with yet.

These lost article found pincers are under normal condition, and its pincers pin 12 open-shaped attitudes are held grip portions 5 with one hand and can be had an easy control in the matter.When picking up article; Point the spanner 57 of inwardly holding with a firm grip; Fixedly Rocker arm 54 in this spanner driving handle 52 and movable Rocker arm 55 be tractive stay cord 6 backward, and the monodentate 222 of the synchronous pulled backwards swing component 22 of stay cord front end this moment also is engaged on the tooth bar 20 it, in the moment that forms engagement with monodentate and tooth bar; Swing component 22 can form temporary transient close-fitting lock-out state with tooth bar 20 with sliding seat 29; This moment, whole sliding seat 29 can drive tooth bars 20 motion backward together when maintaining backward the tractive state when stay cord 6 always, clamped pin 12 closures and can grasp article so the pull bar 18 of connection tooth bar also moves backward and spurs two.In this clamping process, finger need remain unchanged to the active force of spanner 57 always, and the stage clip 17 on this moment pull bar 18 is compressive state, and sliding seat 29 drives the tooth bars 20 long spring 25 that also can oppress on two draw points 24 that moves backward and is compressive state.

After finger unclamps spanner 57; The stage clip 17 that is compressive state is that pushing tow pull bar 18 resets; And the long spring 25 on two draw points 24 also pushing tow sliding seat 29 resets, and the monodentate 222 on the swing component 22 was broken away from from 20 last moments of tooth bar, and the pincers pin 12 of two closures just can open again.

The flexible state use of the inner and outer pipe of these lost article found pincers is following: the locking of pipe 41 and outer tube 42 in operated lock locking assembly 3 is opened; When managing at this moment inside indentation or outside the stretching; Because interior pipe 41 fixes with front stall 19; So can drive the whole retained part 1 of lost article found pincers also is synchronized with the movement; And in interior pipe 41 phase outer tube, 42 indentations or when stretching since in the sliding seat 29 monodentate 222 of swing component 22 not and tooth bar 20 form the engagement lock-out states, so the freely-movable of tooth bar ability is in sliding seat 29 and can not interfered.When interior pipe 41 phase outer tube 42 were stretched to use length, operated lock locking assembly 3 can be locked inner and outer pipe again.

The present invention can pick up the article of lower or eminence, can carry out telescopic adjustment, and the rotational structure of pincers runners also can satisfy the use needs of special occasions, and is easy to operate, the application scenario is extensive.

Claims

1. a telescopic lost article found clamps, and it comprises retained part (1), grip portions (5), and connects the tube connector (4) of retained part (1) and grip portions (5);

Described retained part (1) has the opening and closing pincers pin (12) of two symmetrical structures; The middle part of these two pincers pin is hinged with pincers runners (14); The rear portion in the form of sheets; Be plugged on respectively in the slide block (15) in the pincers runners and go to upper and lower the closed assembly state, be connected with connecting rod (18) on the slide block, this connecting rod passes pincers runners (14) and front stall (19) is connected on the slide assemblies (2) that is positioned at tube connector (4); Also be set with stage clip (17) on the connecting rod (18), this stage clip two ends difference pushing tow is on the interior shoulder of slide block (15) and pincers runners (14);

Being provided with an end in the described tube connector (4) connects slide assemblies (2), other end connection grip portions (5) and receives grip portions (5) to handle the stay cord (6) of tractive;

Described grip portions (5) is made up of the spanner (57) that handle that has inside groove (52) and swing are connected the handle inside groove; Also be provided with upper end and the hinged fixedly rocking arm (54) of handle in the handle (52); Fixedly rocking arm lower end and movable rocking arm (55) upper end is hinged; Said stay cord (6) is connected movable rocking arm (55) lower end, it is characterized in that:

A, described tube connector (4) comprise rear end and the fixing outer tube (42) of handle (52), are provided with the interior pipe (41) of movable telescopic in this outer tube, and interior pipe front end oriented movable is fitted in the pincers runners (14), and fixing with front stall (19); Described outer tube (42) front end is provided with the flexible locked component (3) of pipe (41) in the locking;

B, described slide assemblies (2) comprise the tooth bar (20) that is arranged in the interior pipe (41), and this tooth bar front end connects connecting rod (18), and the rear end is provided with short pin (27); Also be provided with on the described tooth bar (20) along tooth bar and do not have the sliding seat (29) of rotating toward polyslip; Be provided with the swing component (22) that connects with bearing pin (221) in this sliding seat; And being provided with the monodentate (222) that is meshed with tooth bar (20) at swing component one end, the other end is provided with the short spring (21) of pushing tow swing component (22); Described stay cord (6) passes sliding seat (29) and is connected on the monodentate (222); Also be provided with two draw points (24) in the pipe (41) in described; This two draw points, one end activity is located on the sliding seat (29), and the other end is fixed on the back seat (28), all is set with long spring (25) on two draw points; This long spring one end pushing tow is on sliding seat (29), and the other end is fixed on the draw point (24).

2. telescopic lost article found pincers according to claim 1; It is characterized in that described in pipe (41) equipped with the oriented movable of pincers runners (14) be on interior pipe (41) outer wall, to be provided with interior tube seat (411) along its length, corresponding on pincers runners (14) inwall, be provided with equipped should in first positioning key (16) of tube seat (411).

3. telescopic lost article found pincers according to claim 2 is characterized in that described interior tube seat (411) is provided with two, and do the center symmetrical distribution that corresponding first positioning key (16) is provided with four, and makes circumference uniform distribution.

4. telescopic lost article found pincers according to claim 1; It is characterized in that described tooth bar (20) is provided with does not have the past polyslip of rotation along tooth bar guide pad (23); This guide pad is provided with the guiding breach (231) that supplies stay cord (6) and two draw points (24) to pass respectively, also is provided with guide pad groove (232).

5. telescopic lost article found pincers according to claim 1 is characterized in that described tooth bar (20) is provided with no teeth groove (201) near short pin (27) one ends.

6. telescopic lost article found pincers according to claim 1 is characterized in that described sliding seat (29) is cylindrical, and this sliding seat is provided with two and makes the sliding seat groove (291) that the center is symmetrically distributed; Described front stall (19) is provided with two and makes the front stall groove (191) that the center is symmetrically distributed; Pipe (41) inwall is provided with two whiles interior Guan Jian (412) equipped mutually with sliding seat groove (291), front stall groove (191) in described.

7. telescopic lost article found pincers according to claim 1; What it is characterized in that described long spring (25) and draw point (24) fixedly is on draw point, to be set with spring washer; Also be provided with on this draw point (24) simultaneously and stop the spring washer punch die flaser texture of slippage backward; Described long spring (25) pushing tow is on said spring washer, and is and fixing by heat-shrinkable tube (26).

8. telescopic lost article found pincers according to claim 1; It is characterized in that described locked component (3) comprises the fixture (31) that fixes with outer tube (42) front end; This fixture front end is provided with the open slot (34) of a plurality of circumference uniform distributions, also is provided with the anti-decylization (33) of a circle; Described fixture inwall is provided with second positioning key (35), and fixture is provided with the cover (32) of screwing that is threaded with it outward, is the taper hole structure in this cover of screwing.

9. telescopic lost article found pincers according to claim 1 is characterized in that also being provided with the roller (51) that supplies stay cord (6) to reel and pass in described spanner (57) upper end, and this roller is hinged on the handle (52) with spanner (57) is coaxial.